projects/dwt2: org.eclipse.core.commands/src/org/eclipse/core/commands/operations/DefaultOperationHistory.d annotate

author	Frank Benoit <benoit@tionex.de>
date	Sat, 14 Mar 2009 18:23:29 +0100
parents
children

rev	line source
12 bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	1 /*******************************************************************************
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	2 * Copyright (c) 2005, 2007 IBM Corporation and others.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	10 * Port to the D programming language:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	11 * Frank Benoit <benoit@tionex.de>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	12 *******************************************************************************/
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	13 module org.eclipse.core.commands.operations.DefaultOperationHistory;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	14
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	15 import org.eclipse.core.commands.ExecutionException;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import org.eclipse.core.commands.util.Tracing;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	17 import org.eclipse.core.runtime.Assert;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import org.eclipse.core.runtime.IAdaptable;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import org.eclipse.core.runtime.IProgressMonitor;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import org.eclipse.core.runtime.ISafeRunnable;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import org.eclipse.core.runtime.IStatus;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import org.eclipse.core.runtime.ListenerList;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import org.eclipse.core.runtime.OperationCanceledException;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import org.eclipse.core.runtime.SafeRunner;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import org.eclipse.core.runtime.Status;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	26
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import org.eclipse.core.commands.operations.IOperationHistory;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	28 import org.eclipse.core.commands.operations.IUndoContext;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	29 import org.eclipse.core.commands.operations.IUndoableOperation;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	30 import org.eclipse.core.commands.operations.ICompositeOperation;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	31 import org.eclipse.core.commands.operations.IOperationApprover;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	32 import org.eclipse.core.commands.operations.IOperationApprover2;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	33 import org.eclipse.core.commands.operations.IOperationHistoryListener;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	34 import org.eclipse.core.commands.operations.OperationHistoryEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	35 import org.eclipse.core.commands.operations.IAdvancedUndoableOperation;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	36
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	37 import java.lang.all;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	38 import java.util.Map;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	39 import java.util.HashMap;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	40 import java.util.List;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	41 import java.util.ArrayList;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	42 import java.util.Collections;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	43 import java.util.Iterator;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	44
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	45 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	46 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	47 * A base implementation of IOperationHistory that implements a linear undo and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	48 * redo model . The most recently added operation is available for undo, and the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	49 * most recently undone operation is available for redo.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	50 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	51 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	52 * If the operation eligible for undo is not in a state where it can be undone,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	53 * then no undo is available. No other operations are considered. Likewise, if
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	54 * the operation available for redo cannot be redone, then no redo is available.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	55 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	56 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	57 * Implementations for the direct undo and redo of a specified operation are
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	58 * available. If a strict linear undo is to be enforced, than an
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	59 * IOperationApprover should be installed that prevents undo and redo of any
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	60 * operation that is not the most recently undone or redone operation in all of
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	61 * its undo contexts.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	62 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	63 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	64 * The data structures used by the DefaultOperationHistory are synchronized, and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	65 * entry points that modify the undo and redo history concurrently are also
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	66 * synchronized. This means that the DefaultOperationHistory is relatively
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	67 * "thread-friendly" in its implementation. Outbound notifications or operation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * approval requests will occur on the thread that initiated the request.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	69 * Clients may use DefaultOperationHistory API from any thread; however,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	70 * listeners or operation approvers that receive notifications from the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	71 * DefaultOperationHistory must be prepared to receive these notifications from
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	72 * a background thread. Any UI access occurring inside these notifications must
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	73 * be properly synchronized using the techniques specified by the client's
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	74 * widget library.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	75 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	76 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	77 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	78 * This implementation is not intended to be subclassed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	79 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	80 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	81 * @see org.eclipse.core.commands.operations.IOperationHistory
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	82 * @see org.eclipse.core.commands.operations.IOperationApprover
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	83 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	84 * @since 3.1
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	85 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	86 public final class DefaultOperationHistory : IOperationHistory {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	87 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	88 * This flag can be set to <code>true</code> if the history should print
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	89 * information to <code>System.out</code> whenever notifications about
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	90 * changes to the history occur. This flag should be used for debug purposes
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	91 * only.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	92 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	93 public static bool DEBUG_OPERATION_HISTORY_NOTIFICATION = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	94
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	95 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	96 * This flag can be set to <code>true</code> if the history should print
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	97 * information to <code>System.out</code> whenever an unexpected condition
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	98 * arises. This flag should be used for debug purposes only.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	99 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	100 public static bool DEBUG_OPERATION_HISTORY_UNEXPECTED = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	101
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	102 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	103 * This flag can be set to <code>true</code> if the history should print
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	104 * information to <code>System.out</code> whenever an undo context is
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	105 * disposed. This flag should be used for debug purposes only.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	106 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	107 public static bool DEBUG_OPERATION_HISTORY_DISPOSE = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	108
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	109 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	110 * This flag can be set to <code>true</code> if the history should print
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	111 * information to <code>System.out</code> during the open/close sequence.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	112 * This flag should be used for debug purposes only.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	113 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	114 public static bool DEBUG_OPERATION_HISTORY_OPENOPERATION = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	115
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	116 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	117 * This flag can be set to <code>true</code> if the history should print
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	118 * information to <code>System.out</code> whenever an operation is not
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	119 * approved. This flag should be used for debug purposes only.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	120 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	121 public static bool DEBUG_OPERATION_HISTORY_APPROVAL = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	122
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	123 static const int DEFAULT_LIMIT = 20;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	124
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	125 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	126 * the list of {@link IOperationApprover}s
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	127 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	128 ListenerList approvers;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	129
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	130 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	131 * a map of undo limits per context
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	132 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	133 private Map limits;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	134
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	135 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	136 * the list of {@link IOperationHistoryListener}s
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	137 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	138 ListenerList listeners;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	139
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	140 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	141 * the list of operations available for redo, LIFO
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	142 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	143 private List redoList;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	144
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	145 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	146 * the list of operations available for undo, LIFO
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	147 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	148 private List undoList;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	149
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	150 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	151 * a lock that is used to synchronize access between the undo and redo
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	152 * history
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	153 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	154 final Object undoRedoHistoryLock;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	155
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	156 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	157 * An operation that is "absorbing" all other operations while it is open.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	158 * When this is not null, other operations added or executed are added to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	159 * this composite.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	160 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	161 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	162 private ICompositeOperation openComposite = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	163
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	164 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	165 * a lock that is used to synchronize access to the open composite.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	166 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	167 const Object openCompositeLock;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	168
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	169 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	170 * Create an instance of DefaultOperationHistory.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	171 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	172 public this() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	173 openCompositeLock = new Object();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	174 undoRedoHistoryLock = new Object();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	175 approvers = new ListenerList(ListenerList.IDENTITY);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	176 limits = Collections.synchronizedMap(new HashMap());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	177 listeners = new ListenerList(ListenerList.IDENTITY);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	178 redoList = Collections.synchronizedList(new ArrayList());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	179 undoList = Collections.synchronizedList(new ArrayList());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	180 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	181
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	182 /*
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	183 * (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	184 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	185 * @see org.eclipse.core.commands.operations.IOperationHistory#add(org.eclipse.core.commands.operations.IUndoableOperation)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	186 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	187 public void add(IUndoableOperation operation) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	188 Assert.isNotNull( cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	189
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	190 /*
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	191 * If we are in the middle of executing an open batching operation, and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	192 * this is not that operation, then we need only add the context of the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	193 * new operation to the batch. The operation itself is disposed since we
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	194 * will never undo or redo it. We consider it to be triggered by the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	195 * batching operation and assume that its undo will be triggered by the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	196 * batching operation undo.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	197 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	198 synchronized (openCompositeLock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	199 if (openComposite !is null && openComposite !is operation) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	200 openComposite.add(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	201 return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	202 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	203 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	204
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	205 if (checkUndoLimit(operation)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	206 synchronized (undoRedoHistoryLock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	207 undoList.add(cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	208 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	209 notifyAdd(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	210
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	211 // flush redo stack for related contexts
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	212 IUndoContext[] contexts = operation.getContexts();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	213 for (int i = 0; i < contexts.length; i++) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	214 flushRedo(contexts[i]);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	215 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	216 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	217 // Dispose the operation since we will not have a reference to it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	218 operation.dispose();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	219 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	220 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	221
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	222 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	223 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	224 * Add the specified approver to the list of operation approvers consulted
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	225 * by the operation history before an undo or redo is allowed to proceed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	226 * This method has no effect if the instance being added is already in the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	227 * list.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	228 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	229 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	230 * Operation approvers must be prepared to receive these the operation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	231 * approval messages from a background thread. Any UI access occurring
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	232 * inside the implementation must be properly synchronized using the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	233 * techniques specified by the client's widget library.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	234 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	235 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	236 * @param approver
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	237 * the IOperationApprover to be added as an approver.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	238 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	239 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	240
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	241 public void addOperationApprover(IOperationApprover approver) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	242 approvers.add(cast(Object)approver);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	243 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	244
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	245 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	246 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	247 * Add the specified listener to the list of operation history listeners
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	248 * that are notified about changes in the history or operations that are
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	249 * executed, undone, or redone. This method has no effect if the instance
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	250 * being added is already in the list.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	251 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	252 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	253 * Operation history listeners must be prepared to receive notifications
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	254 * from a background thread. Any UI access occurring inside the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	255 * implementation must be properly synchronized using the techniques
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	256 * specified by the client's widget library.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	257 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	258 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	259 * @param listener
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	260 * the IOperationHistoryListener to be added as a listener.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	261 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	262 * @see org.eclipse.core.commands.operations.IOperationHistoryListener
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	263 * @see org.eclipse.core.commands.operations.OperationHistoryEvent
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	264 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	265 public void addOperationHistoryListener(IOperationHistoryListener listener) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	266 listeners.add(cast(Object)listener);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	267 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	268
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	269 /*
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	270 * (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	271 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	272 * @see org.eclipse.core.commands.operations.IOperationHistory#canRedo(org.eclipse.core.commands.operations.IUndoContext)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	273 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	274 public bool canRedo(IUndoContext context) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	275 // null context is allowed and passed through
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	276 IUndoableOperation operation = getRedoOperation(context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	277 return (operation !is null && operation.canRedo());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	278 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	279
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	280 /*
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	281 * (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	282 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	283 * @see org.eclipse.core.commands.operations.IOperationHistory#canUndo(org.eclipse.core.commands.operations.IUndoContext)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	284 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	285 public bool canUndo(IUndoContext context) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	286 // null context is allowed and passed through
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	287 IUndoableOperation operation = getUndoOperation(context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	288 return (operation !is null && operation.canUndo());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	289 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	290
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	291 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	292 * Check the redo limit before adding an operation. In theory the redo limit
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	293 * should never be reached, because the redo items are transferred from the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	294 * undo history, which has the same limit. The redo history is cleared
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	295 * whenever a new operation is added. We check for completeness since
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	296 * implementations may change over time.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	297 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	298 * Return a bool indicating whether the redo should proceed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	299 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	300 private bool checkRedoLimit(IUndoableOperation operation) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	301 IUndoContext[] contexts = operation.getContexts();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	302 for (int i = 0; i < contexts.length; i++) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	303 int limit = getLimit(contexts[i]);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	304 if (limit > 0) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	305 forceRedoLimit(contexts[i], limit - 1);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	306 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	307 // this context has a 0 limit
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	308 operation.removeContext(contexts[i]);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	309 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	310 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	311 return operation.getContexts().length > 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	312 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	313
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	314 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	315 * Check the undo limit before adding an operation. Return a bool
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	316 * indicating whether the undo should proceed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	317 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	318 private bool checkUndoLimit(IUndoableOperation operation) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	319 IUndoContext[] contexts = operation.getContexts();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	320 for (int i = 0; i < contexts.length; i++) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	321 int limit = getLimit(contexts[i]);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	322 if (limit > 0) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	323 forceUndoLimit(contexts[i], limit - 1);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	324 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	325 // this context has a 0 limit
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	326 operation.removeContext(contexts[i]);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	327 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	328 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	329 return operation.getContexts().length > 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	330 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	331
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	332 /*
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	333 * (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	334 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	335 * @see org.eclipse.core.commands.operations.IOperationHistory#dispose(org.eclipse.core.commands.operations.IUndoContext,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	336 * bool, bool, bool)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	337 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	338 public void dispose(IUndoContext context, bool flushUndo_,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	339 bool flushRedo_, bool flushContext_) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	340 // dispose of any limit that was set for the context if it is not to be
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	341 // used again.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	342 if (flushContext_) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	343 if (DEBUG_OPERATION_HISTORY_DISPOSE) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	344 Tracing.printTrace("OPERATIONHISTORY", "Flushing context " //$NON-NLS-1$//$NON-NLS-2$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	345 ~ (cast(Object)context).toString );
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	346 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	347 flushUndo(context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	348 flushRedo(context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	349 limits.remove(cast(Object)context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	350 return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	351 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	352 if (flushUndo_) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	353 flushUndo(context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	354 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	355 if (flushRedo_) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	356 flushRedo(context);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	357 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	358
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	359 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	360
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	361 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	362 * Perform the redo. All validity checks have already occurred.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	363 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	364 * @param monitor
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	365 * @param operation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	366 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	367 private IStatus doRedo(IProgressMonitor monitor, IAdaptable info,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	368 IUndoableOperation operation) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	369
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	370 IStatus status = getRedoApproval(operation, info);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	371 if (status.isOK()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	372 notifyAboutToRedo(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	373 try {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	374 status = operation.redo(monitor, info);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	375 } catch (OperationCanceledException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	376 status = Status.CANCEL_STATUS;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	377 } catch (ExecutionException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	378 notifyNotOK(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	379 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	380 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	381 "ExecutionException while redoing " ~ (cast(Object)operation).toString ); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	382 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	383 throw e;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	384 } catch (Exception e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	385 notifyNotOK(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	386 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	387 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	388 "Exception while redoing " ~ (cast(Object)operation).toString); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	389 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	390 throw new ExecutionException(
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	391 "While redoing the operation, an exception occurred", e); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	392 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	393 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	394
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	395 // if successful, the operation is removed from the redo history and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	396 // placed back in the undo history.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	397 if (status.isOK()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	398 bool addedToUndo = true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	399 synchronized (undoRedoHistoryLock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	400 redoList.remove(cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	401 if (checkUndoLimit(operation)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	402 undoList.add(cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	403 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	404 addedToUndo = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	405 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	406 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	407 // dispose the operation since we could not add it to the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	408 // stack and will no longer have a reference to it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	409 if (!addedToUndo) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	410 operation.dispose();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	411 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	412
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	413 // notify listeners must happen after history is updated
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	414 notifyRedone(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	415 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	416 notifyNotOK(operation, status);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	417 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	418
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	419 return status;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	420 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	421
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	422 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	423 * Perform the undo. All validity checks have already occurred.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	424 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	425 * @param monitor
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	426 * @param operation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	427 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	428 private IStatus doUndo(IProgressMonitor monitor, IAdaptable info,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	429 IUndoableOperation operation) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	430 IStatus status = getUndoApproval(operation, info);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	431 if (status.isOK()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	432 notifyAboutToUndo(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	433 try {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	434 status = operation.undo(monitor, info);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	435 } catch (OperationCanceledException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	436 status = Status.CANCEL_STATUS;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	437 } catch (ExecutionException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	438 notifyNotOK(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	439 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	440 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	441 "ExecutionException while undoing " ~ (cast(Object)operation).toString); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	442 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	443 throw e;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	444 } catch (Exception e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	445 notifyNotOK(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	446 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	447 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	448 "Exception while undoing " ~ (cast(Object)operation).toString); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	449 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	450 throw new ExecutionException(
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	451 "While undoing the operation, an exception occurred", e); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	452 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	453 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	454 // if successful, the operation is removed from the undo history and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	455 // placed in the redo history.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	456 if (status.isOK()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	457 bool addedToRedo = true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	458 synchronized (undoRedoHistoryLock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	459 undoList.remove(cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	460 if (checkRedoLimit(operation)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	461 redoList.add(cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	462 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	463 addedToRedo = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	464 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	465 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	466 // dispose the operation since we could not add it to the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	467 // stack and will no longer have a reference to it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	468 if (!addedToRedo) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	469 operation.dispose();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	470 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	471 // notification occurs after the undo and redo histories are
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	472 // adjusted
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	473 notifyUndone(operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	474 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	475 notifyNotOK(operation, status);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	476 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	477 return status;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	478 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	479
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	480 /*
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	481 * (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	482 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	483 * @see org.eclipse.core.commands.operations.IOperationHistory#execute(org.eclipse.core.commands.operations.IUndoableOperation,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	484 * org.eclipse.core.runtime.IProgressMonitor,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	485 * org.eclipse.core.runtime.IAdaptable)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	486 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	487 public IStatus execute(IUndoableOperation operation,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	488 IProgressMonitor monitor, IAdaptable info) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	489 Assert.isNotNull(cast(Object)operation);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	490
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	491 // error if operation is invalid
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	492 if (!operation.canExecute()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	493 return IOperationHistory.OPERATION_INVALID_STATUS;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	494 }
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	497 IStatus status = getExecuteApproval(operation, info);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	498 if (!status.isOK()) {
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12

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1 /*******************************************************************************

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4 * are made available under the terms of the Eclipse Public License v1.0

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5 * which accompanies this distribution, and is available at

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6 * http://www.eclipse.org/legal/epl-v10.html

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7 *

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8 * Contributors:

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9 * IBM Corporation - initial API and implementation

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10 * Port to the D programming language:

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11 * Frank Benoit <benoit@tionex.de>

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12 *******************************************************************************/

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13 module org.eclipse.core.commands.operations.DefaultOperationHistory;

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14

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15 import org.eclipse.core.commands.ExecutionException;

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16 import org.eclipse.core.commands.util.Tracing;

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17 import org.eclipse.core.runtime.Assert;

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18 import org.eclipse.core.runtime.IAdaptable;

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19 import org.eclipse.core.runtime.IProgressMonitor;

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20 import org.eclipse.core.runtime.ISafeRunnable;

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21 import org.eclipse.core.runtime.IStatus;

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22 import org.eclipse.core.runtime.ListenerList;

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23 import org.eclipse.core.runtime.OperationCanceledException;

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24 import org.eclipse.core.runtime.SafeRunner;

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25 import org.eclipse.core.runtime.Status;

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26

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27 import org.eclipse.core.commands.operations.IOperationHistory;

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28 import org.eclipse.core.commands.operations.IUndoContext;

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29 import org.eclipse.core.commands.operations.IUndoableOperation;

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30 import org.eclipse.core.commands.operations.ICompositeOperation;

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31 import org.eclipse.core.commands.operations.IOperationApprover;

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32 import org.eclipse.core.commands.operations.IOperationApprover2;

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33 import org.eclipse.core.commands.operations.IOperationHistoryListener;

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34 import org.eclipse.core.commands.operations.OperationHistoryEvent;

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35 import org.eclipse.core.commands.operations.IAdvancedUndoableOperation;

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36

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37 import java.lang.all;

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38 import java.util.Map;

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39 import java.util.HashMap;

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40 import java.util.List;

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41 import java.util.ArrayList;

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42 import java.util.Collections;

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43 import java.util.Iterator;

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44

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45 /**

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46 *

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47 * A base implementation of IOperationHistory that implements a linear undo and

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48 * redo model . The most recently added operation is available for undo, and the

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49 * most recently undone operation is available for redo.

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50 *

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51 *

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52 * If the operation eligible for undo is not in a state where it can be undone,

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53 * then no undo is available. No other operations are considered. Likewise, if

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54 * the operation available for redo cannot be redone, then no redo is available.

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55 *

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56 *

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57 * Implementations for the direct undo and redo of a specified operation are

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58 * available. If a strict linear undo is to be enforced, than an

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59 * IOperationApprover should be installed that prevents undo and redo of any

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60 * operation that is not the most recently undone or redone operation in all of

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61 * its undo contexts.

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62 *

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63 *

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64 * The data structures used by the DefaultOperationHistory are synchronized, and

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65 * entry points that modify the undo and redo history concurrently are also

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66 * synchronized. This means that the DefaultOperationHistory is relatively

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67 * "thread-friendly" in its implementation. Outbound notifications or operation

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68 * approval requests will occur on the thread that initiated the request.

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69 * Clients may use DefaultOperationHistory API from any thread; however,

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70 * listeners or operation approvers that receive notifications from the

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71 * DefaultOperationHistory must be prepared to receive these notifications from

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72 * a background thread. Any UI access occurring inside these notifications must

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73 * be properly synchronized using the techniques specified by the client's

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74 * widget library.

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75 *

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76 *

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77 *

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78 * This implementation is not intended to be subclassed.

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79 *

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80 *

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81 * @see org.eclipse.core.commands.operations.IOperationHistory

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82 * @see org.eclipse.core.commands.operations.IOperationApprover

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83 *

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84 * @since 3.1

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85 */

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86 public final class DefaultOperationHistory : IOperationHistory {

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87 /**

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88 * This flag can be set to <code>true</code> if the history should print

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89 * information to <code>System.out</code> whenever notifications about

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90 * changes to the history occur. This flag should be used for debug purposes

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91 * only.

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92 */

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93 public static bool DEBUG_OPERATION_HISTORY_NOTIFICATION = false;

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94

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95 /**

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96 * This flag can be set to <code>true</code> if the history should print

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97 * information to <code>System.out</code> whenever an unexpected condition

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98 * arises. This flag should be used for debug purposes only.

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99 */

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100 public static bool DEBUG_OPERATION_HISTORY_UNEXPECTED = false;

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101

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102 /**

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103 * This flag can be set to <code>true</code> if the history should print

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104 * information to <code>System.out</code> whenever an undo context is

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105 * disposed. This flag should be used for debug purposes only.

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106 */

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107 public static bool DEBUG_OPERATION_HISTORY_DISPOSE = false;

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108

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109 /**

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110 * This flag can be set to <code>true</code> if the history should print

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111 * information to <code>System.out</code> during the open/close sequence.

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112 * This flag should be used for debug purposes only.

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113 */

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114 public static bool DEBUG_OPERATION_HISTORY_OPENOPERATION = false;

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115

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116 /**

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117 * This flag can be set to <code>true</code> if the history should print

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118 * information to <code>System.out</code> whenever an operation is not

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119 * approved. This flag should be used for debug purposes only.

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120 */

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121 public static bool DEBUG_OPERATION_HISTORY_APPROVAL = false;

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122

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123 static const int DEFAULT_LIMIT = 20;

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124

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125 /**

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126 * the list of {@link IOperationApprover}s

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127 */

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128 ListenerList approvers;

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129

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130 /**

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131 * a map of undo limits per context

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132 */

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133 private Map limits;

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134

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135 /**

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136 * the list of {@link IOperationHistoryListener}s

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137 */

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138 ListenerList listeners;

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139

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140 /**

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141 * the list of operations available for redo, LIFO

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142 */

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143 private List redoList;

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144

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145 /**

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146 * the list of operations available for undo, LIFO

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147 */

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148 private List undoList;

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149

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150 /**

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151 * a lock that is used to synchronize access between the undo and redo

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152 * history

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153 */

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154 final Object undoRedoHistoryLock;

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155

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156 /**

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157 * An operation that is "absorbing" all other operations while it is open.

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158 * When this is not null, other operations added or executed are added to

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159 * this composite.

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160 *

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161 */

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162 private ICompositeOperation openComposite = null;

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163

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164 /**

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165 * a lock that is used to synchronize access to the open composite.

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166 */

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167 const Object openCompositeLock;

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168

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169 /**

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170 * Create an instance of DefaultOperationHistory.

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171 */

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172 public this() {

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173 openCompositeLock = new Object();

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174 undoRedoHistoryLock = new Object();

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175 approvers = new ListenerList(ListenerList.IDENTITY);

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176 limits = Collections.synchronizedMap(new HashMap());

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177 listeners = new ListenerList(ListenerList.IDENTITY);

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178 redoList = Collections.synchronizedList(new ArrayList());

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179 undoList = Collections.synchronizedList(new ArrayList());

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180 }

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181

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182 /*

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183 * (non-Javadoc)

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184 *

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185 * @see org.eclipse.core.commands.operations.IOperationHistory#add(org.eclipse.core.commands.operations.IUndoableOperation)

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186 */

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187 public void add(IUndoableOperation operation) {

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188 Assert.isNotNull( cast(Object)operation);

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189

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190 /*

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191 * If we are in the middle of executing an open batching operation, and

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192 * this is not that operation, then we need only add the context of the

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193 * new operation to the batch. The operation itself is disposed since we

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194 * will never undo or redo it. We consider it to be triggered by the

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195 * batching operation and assume that its undo will be triggered by the

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196 * batching operation undo.

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197 */

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198 synchronized (openCompositeLock) {

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199 if (openComposite !is null && openComposite !is operation) {

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200 openComposite.add(operation);

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201 return;

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202 }

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203 }

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204

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205 if (checkUndoLimit(operation)) {

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206 synchronized (undoRedoHistoryLock) {

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207 undoList.add(cast(Object)operation);

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208 }

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209 notifyAdd(operation);

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210

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211 // flush redo stack for related contexts

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212 IUndoContext[] contexts = operation.getContexts();

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213 for (int i = 0; i < contexts.length; i++) {

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214 flushRedo(contexts[i]);

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215 }

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216 } else {

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217 // Dispose the operation since we will not have a reference to it.

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218 operation.dispose();

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219 }

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220 }

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221

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222 /**

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223 *

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224 * Add the specified approver to the list of operation approvers consulted

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225 * by the operation history before an undo or redo is allowed to proceed.

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226 * This method has no effect if the instance being added is already in the

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227 * list.

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228 *

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229 *

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230 * Operation approvers must be prepared to receive these the operation

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231 * approval messages from a background thread. Any UI access occurring

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232 * inside the implementation must be properly synchronized using the

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233 * techniques specified by the client's widget library.

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234 *

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235 *

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236 * @param approver

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237 * the IOperationApprover to be added as an approver.

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238 *

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239 */

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240

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241 public void addOperationApprover(IOperationApprover approver) {

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242 approvers.add(cast(Object)approver);

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243 }

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244

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245 /**

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246 *

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247 * Add the specified listener to the list of operation history listeners

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248 * that are notified about changes in the history or operations that are

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249 * executed, undone, or redone. This method has no effect if the instance

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250 * being added is already in the list.

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251 *

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252 *

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253 * Operation history listeners must be prepared to receive notifications

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254 * from a background thread. Any UI access occurring inside the

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255 * implementation must be properly synchronized using the techniques

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256 * specified by the client's widget library.

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257 *

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258 *

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259 * @param listener

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260 * the IOperationHistoryListener to be added as a listener.

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261 *

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262 * @see org.eclipse.core.commands.operations.IOperationHistoryListener

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263 * @see org.eclipse.core.commands.operations.OperationHistoryEvent

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264 */

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265 public void addOperationHistoryListener(IOperationHistoryListener listener) {

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266 listeners.add(cast(Object)listener);

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267 }

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268

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269 /*

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270 * (non-Javadoc)

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271 *

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272 * @see org.eclipse.core.commands.operations.IOperationHistory#canRedo(org.eclipse.core.commands.operations.IUndoContext)

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273 */

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274 public bool canRedo(IUndoContext context) {

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275 // null context is allowed and passed through

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276 IUndoableOperation operation = getRedoOperation(context);

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277 return (operation !is null && operation.canRedo());

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278 }

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279

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280 /*

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281 * (non-Javadoc)

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282 *

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283 * @see org.eclipse.core.commands.operations.IOperationHistory#canUndo(org.eclipse.core.commands.operations.IUndoContext)

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284 */

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285 public bool canUndo(IUndoContext context) {

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286 // null context is allowed and passed through

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287 IUndoableOperation operation = getUndoOperation(context);

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288 return (operation !is null && operation.canUndo());

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289 }

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290

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291 /**

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292 * Check the redo limit before adding an operation. In theory the redo limit

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293 * should never be reached, because the redo items are transferred from the

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294 * undo history, which has the same limit. The redo history is cleared

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295 * whenever a new operation is added. We check for completeness since

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296 * implementations may change over time.

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297 *

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298 * Return a bool indicating whether the redo should proceed.

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299 */

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300 private bool checkRedoLimit(IUndoableOperation operation) {

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301 IUndoContext[] contexts = operation.getContexts();

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302 for (int i = 0; i < contexts.length; i++) {

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303 int limit = getLimit(contexts[i]);

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304 if (limit > 0) {

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305 forceRedoLimit(contexts[i], limit - 1);

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306 } else {

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307 // this context has a 0 limit

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308 operation.removeContext(contexts[i]);

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309 }

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310 }

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311 return operation.getContexts().length > 0;

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312 }

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313

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314 /**

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315 * Check the undo limit before adding an operation. Return a bool

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316 * indicating whether the undo should proceed.

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317 */

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318 private bool checkUndoLimit(IUndoableOperation operation) {

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319 IUndoContext[] contexts = operation.getContexts();

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320 for (int i = 0; i < contexts.length; i++) {

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321 int limit = getLimit(contexts[i]);

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322 if (limit > 0) {

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323 forceUndoLimit(contexts[i], limit - 1);

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324 } else {

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325 // this context has a 0 limit

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326 operation.removeContext(contexts[i]);

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327 }

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328 }

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329 return operation.getContexts().length > 0;

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330 }

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331

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332 /*

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333 * (non-Javadoc)

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334 *

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335 * @see org.eclipse.core.commands.operations.IOperationHistory#dispose(org.eclipse.core.commands.operations.IUndoContext,

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336 * bool, bool, bool)

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337 */

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338 public void dispose(IUndoContext context, bool flushUndo_,

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339 bool flushRedo_, bool flushContext_) {

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340 // dispose of any limit that was set for the context if it is not to be

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341 // used again.

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342 if (flushContext_) {

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343 if (DEBUG_OPERATION_HISTORY_DISPOSE) {

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344 Tracing.printTrace("OPERATIONHISTORY", "Flushing context " //$NON-NLS-1$//$NON-NLS-2$

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345 ~ (cast(Object)context).toString );

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346 }

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347 flushUndo(context);

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348 flushRedo(context);

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349 limits.remove(cast(Object)context);

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350 return;

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351 }

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352 if (flushUndo_) {

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353 flushUndo(context);

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354 }

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355 if (flushRedo_) {

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356 flushRedo(context);

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357 }

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358

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359 }

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360

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361 /**

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362 * Perform the redo. All validity checks have already occurred.

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363 *

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364 * @param monitor

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365 * @param operation

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366 */

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367 private IStatus doRedo(IProgressMonitor monitor, IAdaptable info,

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368 IUndoableOperation operation) {

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369

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370 IStatus status = getRedoApproval(operation, info);

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371 if (status.isOK()) {

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372 notifyAboutToRedo(operation);

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373 try {

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374 status = operation.redo(monitor, info);

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375 } catch (OperationCanceledException e) {

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376 status = Status.CANCEL_STATUS;

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377 } catch (ExecutionException e) {

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378 notifyNotOK(operation);

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379 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

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380 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

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381 "ExecutionException while redoing " ~ (cast(Object)operation).toString ); //$NON-NLS-1$

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382 }

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383 throw e;

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384 } catch (Exception e) {

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385 notifyNotOK(operation);

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386 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

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387 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

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388 "Exception while redoing " ~ (cast(Object)operation).toString); //$NON-NLS-1$

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389 }

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390 throw new ExecutionException(

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391 "While redoing the operation, an exception occurred", e); //$NON-NLS-1$

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392 }

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393 }

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394

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395 // if successful, the operation is removed from the redo history and

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396 // placed back in the undo history.

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397 if (status.isOK()) {

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398 bool addedToUndo = true;

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399 synchronized (undoRedoHistoryLock) {

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400 redoList.remove(cast(Object)operation);

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401 if (checkUndoLimit(operation)) {

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402 undoList.add(cast(Object)operation);

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403 } else {

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404 addedToUndo = false;

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405 }

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406 }

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407 // dispose the operation since we could not add it to the

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408 // stack and will no longer have a reference to it.

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409 if (!addedToUndo) {

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410 operation.dispose();

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411 }

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412

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413 // notify listeners must happen after history is updated

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414 notifyRedone(operation);

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415 } else {

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416 notifyNotOK(operation, status);

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417 }

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418

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419 return status;

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420 }

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421

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422 /**

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423 * Perform the undo. All validity checks have already occurred.

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424 *

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425 * @param monitor

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426 * @param operation

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427 */

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428 private IStatus doUndo(IProgressMonitor monitor, IAdaptable info,

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429 IUndoableOperation operation) {

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430 IStatus status = getUndoApproval(operation, info);

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431 if (status.isOK()) {

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432 notifyAboutToUndo(operation);

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parents:

diff changeset

433 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

434 status = operation.undo(monitor, info);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

435 } catch (OperationCanceledException e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

436 status = Status.CANCEL_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

437 } catch (ExecutionException e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

438 notifyNotOK(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

439 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

440 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

441 "ExecutionException while undoing " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

442 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

443 throw e;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

444 } catch (Exception e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

445 notifyNotOK(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

446 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

447 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

448 "Exception while undoing " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

449 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

450 throw new ExecutionException(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

451 "While undoing the operation, an exception occurred", e); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

452 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

453 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

454 // if successful, the operation is removed from the undo history and

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

455 // placed in the redo history.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

456 if (status.isOK()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

457 bool addedToRedo = true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

458 synchronized (undoRedoHistoryLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

459 undoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

460 if (checkRedoLimit(operation)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

461 redoList.add(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

462 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

463 addedToRedo = false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

464 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

465 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

466 // dispose the operation since we could not add it to the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

467 // stack and will no longer have a reference to it.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

468 if (!addedToRedo) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

469 operation.dispose();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

470 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

471 // notification occurs after the undo and redo histories are

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

472 // adjusted

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

473 notifyUndone(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

474 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

475 notifyNotOK(operation, status);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

476 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

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diff changeset

477 return status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

478 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

479

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

480 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

481 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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482 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

483 * @see org.eclipse.core.commands.operations.IOperationHistory#execute(org.eclipse.core.commands.operations.IUndoableOperation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

484 * org.eclipse.core.runtime.IProgressMonitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

485 * org.eclipse.core.runtime.IAdaptable)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

486 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

487 public IStatus execute(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

488 IProgressMonitor monitor, IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

489 Assert.isNotNull(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

490

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

491 // error if operation is invalid

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

492 if (!operation.canExecute()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

493 return IOperationHistory.OPERATION_INVALID_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

494 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

495

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

496 // check with the operation approvers

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

497 IStatus status = getExecuteApproval(operation, info);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

498 if (!status.isOK()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

499 // not approved. No notifications are sent, just return the status.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

500 return status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

501 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

502

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

503 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

504 * If we are in the middle of an open composite, then we will add this

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

505 * operation to the open operation rather than add the operation to the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

506 * history. We will still execute it.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

507 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

508 bool merging = false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

509 synchronized (openCompositeLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

510 if (openComposite !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

511 // the composite shouldn't be executed explicitly while it is

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

512 // still

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

513 // open

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

514 if (openComposite is operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

515 return IOperationHistory.OPERATION_INVALID_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

516 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

517 openComposite.add(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

518 merging = true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

519 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

520 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

521

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

522 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

523 * Execute the operation

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

524 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

525 if (!merging) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

526 notifyAboutToExecute(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

527 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

528 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

529 status = operation.execute(monitor, info);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

530 } catch (OperationCanceledException e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

531 status = Status.CANCEL_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

532 } catch (ExecutionException e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

533 notifyNotOK(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

534 throw e;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

535 } catch (Exception e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

536 notifyNotOK(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

537 throw new ExecutionException(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

538 "While executing the operation, an exception occurred", e); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

539 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

540

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

541 // if successful, the notify listeners are notified and the operation is

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

542 // added to the history

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

543 if (!merging) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

544 if (status.isOK()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

545 notifyDone(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

546 add(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

547 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

548 notifyNotOK(operation, status);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

549 // dispose the operation since we did not add it to the stack

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

550 // and will no longer have a reference to it.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

551 operation.dispose();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

552 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

553 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

554 // all other severities are not interpreted. Simply return the status.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

555 return status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

556 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

557

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

558 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

559 * Filter the specified list to include only the specified undo context.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

560 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

561 private IUndoableOperation[] filter(List list, IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

562 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

563 * This method is used whenever there is a need to filter the undo or

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

564 * redo history on a particular context. Currently there are no caches

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

565 * kept to optimize repeated requests for the same filter. If benchmarks

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

566 * show this to be a common pattern that causes performances problems,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

567 * we could implement a filtered cache here that is nullified whenever

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

568 * the global history changes.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

569 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

570

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

571 List filtered = new ArrayList();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

572 Iterator iterator = list.iterator();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

573 synchronized (undoRedoHistoryLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

574 while (iterator.hasNext()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

575 IUndoableOperation operation = cast(IUndoableOperation) iterator

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

576 .next();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

577 if (operation.hasContext(context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

578 filtered.add(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

579 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

580 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

581 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

582 return arraycast!(IUndoableOperation)( filtered

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

583 .toArray());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

584 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

585

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

586 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

587 * Flush the redo stack of all operations that have the given context.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

588 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

589 private void flushRedo(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

590 if (DEBUG_OPERATION_HISTORY_DISPOSE) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

591 Tracing.printTrace("OPERATIONHISTORY", "Flushing redo history for " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

592 ~ (cast(Object)context).toString );

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

593 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

594

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

595 IUndoableOperation[] filtered = filter(redoList, context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

596 for (int i = 0; i < filtered.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

597 IUndoableOperation operation = cast(IUndoableOperation) filtered[i];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

598 if (context is GLOBAL_UNDO_CONTEXT

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

599 || operation.getContexts().length is 1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

600 // remove the operation if it only has the context or we are

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

601 // flushing all

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

602 redoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

603 internalRemove(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

604 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

605 // remove the reference to the context.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

606 // See https://bugs.eclipse.org/bugs/show_bug.cgi?id=161786

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

607 // It is not enough to simply remove the context. There could

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

608 // be one or more contexts that match the one we are trying to

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

609 // dispose.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

610 IUndoContext[] contexts = operation.getContexts();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

611 for (int j = 0; j < contexts.length; j++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

612 if (contexts[j].matches(context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

613 operation.removeContext(contexts[j]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

614 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

615 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

616 if (operation.getContexts().length is 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

617 redoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

618 internalRemove(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

619 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

620 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

621 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

622 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

623

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

624 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

625 * Flush the undo stack of all operations that have the given context.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

626 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

627 private void flushUndo(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

628 if (DEBUG_OPERATION_HISTORY_DISPOSE) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

629 Tracing.printTrace("OPERATIONHISTORY", "Flushing undo history for " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

630 ~ (cast(Object)context).toString );

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

631 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

632

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

633 // Get all operations that have the context (or one that matches)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

634 IUndoableOperation[] filtered = filter(undoList, context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

635 for (int i = 0; i < filtered.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

636 IUndoableOperation operation = cast(IUndoableOperation) filtered[i];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

637 if (context is GLOBAL_UNDO_CONTEXT

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

638 || operation.getContexts().length is 1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

639 // remove the operation if it only has the context or we are

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

640 // flushing all

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

641 undoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

642 internalRemove(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

643 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

644 // remove the reference to the context.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

645 // See https://bugs.eclipse.org/bugs/show_bug.cgi?id=161786

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

646 // It is not enough to simply remove the context. There could

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

647 // be one or more contexts that match the one we are trying to

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

648 // dispose.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

649 IUndoContext[] contexts = operation.getContexts();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

650 for (int j = 0; j < contexts.length; j++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

651 if (contexts[j].matches(context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

652 operation.removeContext(contexts[j]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

653 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

654 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

655 if (operation.getContexts().length is 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

656 undoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

657 internalRemove(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

658 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

659 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

660 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

661 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

662 * There may be an open composite. If it has this context, then the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

663 * context must be removed. If it has only this context or we are

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

664 * flushing all operations, then null it out and notify that we are

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

665 * ending it. We don't remove it since it was never added.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

666 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

667 ICompositeOperation endedComposite = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

668 synchronized (openCompositeLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

669 if (openComposite !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

670 if (openComposite.hasContext(context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

671 if (context is GLOBAL_UNDO_CONTEXT

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

672 || openComposite.getContexts().length is 1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

673 endedComposite = openComposite;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

674 openComposite = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

675 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

676 openComposite.removeContext(context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

677 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

678 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

679 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

680 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

681 // notify outside of the synchronized block.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

682 if (endedComposite !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

683 notifyNotOK(endedComposite);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

684 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

685 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

686

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

687 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

688 * Force the redo history for the given context to contain max or less

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

689 * items.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

690 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

691 private void forceRedoLimit(IUndoContext context, int max) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

692 IUndoableOperation[] filtered = filter(redoList, context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

693 int size = filtered.length;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

694 if (size > 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

695 int index = 0;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

696 while (size > max) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

697 IUndoableOperation removed = cast(IUndoableOperation)filtered[index];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

698 if (context is GLOBAL_UNDO_CONTEXT

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

699 || removed.getContexts().length is 1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

700 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

701 * remove the operation if we are enforcing a global limit

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

702 * or if the operation only has the specified context

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

703 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

704 redoList.remove(cast(Object)removed);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

705 internalRemove(removed);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

706 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

707 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

708 * if the operation has multiple contexts and we've reached

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

709 * the limit for only one of them, then just remove the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

710 * context, not the operation.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

711 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

712 removed.removeContext(context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

713 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

714 size--;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

715 index++;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

716 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

717 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

718 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

719

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

720 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

721 * Force the undo history for the given context to contain max or less

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

722 * items.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

723 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

724 private void forceUndoLimit(IUndoContext context, int max) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

725 IUndoableOperation[] filtered = filter(undoList, context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

726 int size = filtered.length;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

727 if (size > 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

728 int index = 0;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

729 while (size > max) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

730 IUndoableOperation removed = cast(IUndoableOperation)filtered[index];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

731 if (context is GLOBAL_UNDO_CONTEXT

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

732 || removed.getContexts().length is 1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

733 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

734 * remove the operation if we are enforcing a global limit

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

735 * or if the operation only has the specified context

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

736 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

737 undoList.remove(cast(Object)removed);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

738 internalRemove(removed);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

739 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

740 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

741 * if the operation has multiple contexts and we've reached

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

742 * the limit for only one of them, then just remove the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

743 * context, not the operation.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

744 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

745 removed.removeContext(context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

746 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

747 size--;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

748 index++;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

749 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

750 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

751 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

752

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

753 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

754 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

755 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

756 * @see org.eclipse.core.commands.operations.IOperationHistory#getLimit()

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

757 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

758 public int getLimit(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

759 if (!limits.containsKey(cast(Object)context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

760 return DEFAULT_LIMIT;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

761 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

762 return (cast(Integer) (limits.get(cast(Object)context))).intValue();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

763 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

764

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

765 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

766 * Consult the IOperationApprovers to see if the proposed redo should be

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

767 * allowed.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

768 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

769 private IStatus getRedoApproval(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

770 IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

771

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

772 Object[] approverArray = approvers.getListeners();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

773

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

774 for (int i = 0; i < approverArray.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

775 IOperationApprover approver = cast(IOperationApprover) approverArray[i];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

776 IStatus approval = approver.proceedRedoing(operation, this, info);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

777 if (!approval.isOK()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

778 if (DEBUG_OPERATION_HISTORY_APPROVAL) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

779 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

780 "Redo not approved by " ~ (cast(Object)approver).toString //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

781 ~ "for operation " ~ (cast(Object)operation).toString //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

782 ~ " approved by " ~ (cast(Object)approval).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

783 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

784 return approval;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

785 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

786 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

787 return Status.OK_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

788 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

789

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

790 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

791 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

792 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

793 * @see org.eclipse.core.commands.operations.IOperationHistory#getRedoHistory(org.eclipse.core.commands.operations.IUndoContext)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

794 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

795 public IUndoableOperation[] getRedoHistory(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

796 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

797 return filter(redoList, context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

798 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

799

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

800 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

801 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

802 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

803 * @see org.eclipse.core.commands.operations.IOperationHistory#getOperation(org.eclipse.core.commands.operations.IUndoContext)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

804 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

805 public IUndoableOperation getRedoOperation(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

806 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

807 synchronized (undoRedoHistoryLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

808 for (int i = redoList.size() - 1; i >= 0; i--) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

809 IUndoableOperation operation = cast(IUndoableOperation) redoList

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

810 .get(i);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

811 if (operation.hasContext(context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

812 return operation;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

813 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

814 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

815 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

816 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

817 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

818

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

819 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

820 * Consult the IOperationApprovers to see if the proposed undo should be

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

821 * allowed.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

822 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

823 private IStatus getUndoApproval(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

824 IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

825

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

826 final Object[] approverArray = approvers.getListeners();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

827

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

828 for (int i = 0; i < approverArray.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

829 IOperationApprover approver = cast(IOperationApprover) approverArray[i];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

830 IStatus approval = approver.proceedUndoing(operation, this, info);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

831 if (!approval.isOK()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

832 if (DEBUG_OPERATION_HISTORY_APPROVAL) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

833 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

834 "Undo not approved by " ~ (cast(Object)approver).toString //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

835 ~ "for operation " ~ (cast(Object)operation ).toString//$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

836 ~ " with status " ~ (cast(Object)approval).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

837 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

838 return approval;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

839 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

840 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

841 return Status.OK_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

842 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

843

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

844 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

845 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

846 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

847 * @see org.eclipse.core.commands.operations.IOperationHistory#getUndoHistory(org.eclipse.core.commands.operations.IUndoContext)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

848 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

849 public IUndoableOperation[] getUndoHistory(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

850 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

851 return filter(undoList, context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

852 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

853

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

854 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

855 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

856 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

857 * @see org.eclipse.core.commands.operations.IOperationHistory#getUndoOperation(org.eclipse.core.commands.operations.IUndoContext)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

858 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

859 public IUndoableOperation getUndoOperation(IUndoContext context) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

860 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

861 synchronized (undoRedoHistoryLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

862 for (int i = undoList.size() - 1; i >= 0; i--) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

863 IUndoableOperation operation = cast(IUndoableOperation) undoList

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

864 .get(i);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

865 if (operation.hasContext(context)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

866 return operation;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

867 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

868 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

869 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

870 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

871 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

872

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

873 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

874 * Consult the IOperationApprovers to see if the proposed execution should

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

875 * be allowed.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

876 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

877 * @since 3.2

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

878 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

879 private IStatus getExecuteApproval(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

880 IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

881

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

882 final Object[] approverArray = approvers.getListeners();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

883

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

884 for (int i = 0; i < approverArray.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

885 if ( auto apro = cast(IOperationApprover2)approverArray[i] ) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

886 IOperationApprover2 approver = apro;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

887 IStatus approval = approver.proceedExecuting(operation, this,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

888 info);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

889 if (!approval.isOK()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

890 if (DEBUG_OPERATION_HISTORY_APPROVAL) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

891 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

892 "Execute not approved by " ~ (cast(Object)approver).toString //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

893 ~ "for operation " ~ (cast(Object)operation).toString //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

894 ~ " with status " ~ (cast(Object)approval).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

895 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

896 return approval;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

897 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

898 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

899 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

900 return Status.OK_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

901 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

902

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

903 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

904 * Remove the operation by disposing it and notifying listeners.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

905 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

906 private void internalRemove(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

907 operation.dispose();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

908 notifyRemoved(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

909 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

910

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

911 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

912 * Notify listeners of an operation event.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

913 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

914 private void notifyListeners(OperationHistoryEvent event) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

915 if ( auto e = cast(IAdvancedUndoableOperation)event.getOperation() ) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

916 IAdvancedUndoableOperation advancedOp = e;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

917 SafeRunner.run(new class(advancedOp) ISafeRunnable {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

918 IAdvancedUndoableOperation advancedOp_;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

919 this(IAdvancedUndoableOperation a){ advancedOp_=a;}

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

920 public void handleException(Exception exception) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

921 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

922 Tracing.printTrace(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

923 "OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

924 "Exception during notification callback " ~ exception.toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

925 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

926 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

927

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

928 public void run() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

929 advancedOp_.aboutToNotify(event);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

930 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

931 });

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

932 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

933 Object[] listenerArray = listeners.getListeners();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

934 for (int i = 0; i < listenerArray.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

935 IOperationHistoryListener listener = cast(IOperationHistoryListener) listenerArray[i];

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

936 SafeRunner.run(new class(listener) ISafeRunnable {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

937 IOperationHistoryListener listener_;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

938 this(IOperationHistoryListener a){ listener_=a; }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

939 public void handleException(Exception exception) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

940 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

941 Tracing.printTrace(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

942 "OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

943 "Exception during notification callback " ~ exception.toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

944 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

945 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

946

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

947 public void run() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

948 listener_.historyNotification(event);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

949 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

950 });

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

951 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

952 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

953

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

954 private void notifyAboutToExecute(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

955 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

956 Tracing.printTrace("OPERATIONHISTORY", "ABOUT_TO_EXECUTE " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

957 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

958 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

959

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

960 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

961 OperationHistoryEvent.ABOUT_TO_EXECUTE, this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

962 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

963

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

964 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

965 * Notify listeners that an operation is about to redo.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

966 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

967 private void notifyAboutToRedo(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

968 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

969 Tracing.printTrace("OPERATIONHISTORY", "ABOUT_TO_REDO " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

970 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

971 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

972

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

973 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

974 OperationHistoryEvent.ABOUT_TO_REDO, this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

975 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

976

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

977 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

978 * Notify listeners that an operation is about to undo.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

979 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

980 private void notifyAboutToUndo(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

981 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

982 Tracing.printTrace("OPERATIONHISTORY", "ABOUT_TO_UNDO " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

983 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

984 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

985

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

986 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

987 OperationHistoryEvent.ABOUT_TO_UNDO, this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

988 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

989

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

990 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

991 * Notify listeners that an operation has been added.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

992 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

993 private void notifyAdd(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

994 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

995 Tracing.printTrace("OPERATIONHISTORY", "OPERATION_ADDED " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

996 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

997 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

998

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

999 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1000 OperationHistoryEvent.OPERATION_ADDED, this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1001 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1002

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1003 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1004 * Notify listeners that an operation is done executing.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1005 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1006 private void notifyDone(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1007 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1008 Tracing.printTrace("OPERATIONHISTORY", "DONE " ~ (cast(Object)operation).toString); //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1009 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1010

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1011 notifyListeners(new OperationHistoryEvent(OperationHistoryEvent.DONE,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1012 this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1013 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1014

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1015 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1016 * Notify listeners that an operation did not succeed after an attempt to

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1017 * execute, undo, or redo was made.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1018 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1019 private void notifyNotOK(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1020 notifyNotOK(operation, null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1021 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1022

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1023 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1024 * Notify listeners that an operation did not succeed after an attempt to

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1025 * execute, undo, or redo was made. Include the status associated with the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1026 * attempt.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1027 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1028 * @since 3.2

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1029 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1030 private void notifyNotOK(IUndoableOperation operation, IStatus status) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1031 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1032 Tracing.printTrace("OPERATIONHISTORY", "OPERATION_NOT_OK " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1033 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1034 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1035

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1036 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1037 OperationHistoryEvent.OPERATION_NOT_OK, this, operation, status));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1038 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1039

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1040 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1041 * Notify listeners that an operation was redone.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1042 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1043 private void notifyRedone(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1044 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1045 Tracing.printTrace("OPERATIONHISTORY", "REDONE " ~ (cast(Object)operation).toString); //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1046 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1047

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1048 notifyListeners(new OperationHistoryEvent(OperationHistoryEvent.REDONE,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1049 this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1050 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1051

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1052 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1053 * Notify listeners that an operation has been removed from the history.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1054 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1055 private void notifyRemoved(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1056 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1057 Tracing.printTrace("OPERATIONHISTORY", "OPERATION_REMOVED " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1058 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1059 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1060

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1061 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1062 OperationHistoryEvent.OPERATION_REMOVED, this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1063 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1064

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1065 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1066 * Notify listeners that an operation has been undone.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1067 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1068 private void notifyUndone(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1069 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1070 Tracing.printTrace("OPERATIONHISTORY", "UNDONE " ~ (cast(Object)operation).toString); //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1071 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1072

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1073 notifyListeners(new OperationHistoryEvent(OperationHistoryEvent.UNDONE,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1074 this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1075 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1076

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1077 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1078 * Notify listeners that an operation has been undone.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1079 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1080 private void notifyChanged(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1081 if (DEBUG_OPERATION_HISTORY_NOTIFICATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1082 Tracing.printTrace("OPERATIONHISTORY", "OPERATION_CHANGED " //$NON-NLS-1$//$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1083 ~ (cast(Object)operation).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1084 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1085

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1086 notifyListeners(new OperationHistoryEvent(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1087 OperationHistoryEvent.OPERATION_CHANGED, this, operation));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1088 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1089

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1090 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1091 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1092 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1093 * @see org.eclipse.core.commands.operations.IOperationHistory#redo(org.eclipse.core.commands.operations.IUndoContext,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1094 * org.eclipse.core.runtime.IProgressMonitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1095 * org.eclipse.core.runtime.IAdaptable)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1096 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1097 public IStatus redo(IUndoContext context, IProgressMonitor monitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1098 IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1099 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1100 IUndoableOperation operation = getRedoOperation(context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1101

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1102 // info if there is no operation

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1103 if (operation is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1104 return IOperationHistory.NOTHING_TO_REDO_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1105 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1106

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1107 // error if operation is invalid

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1108 if (!operation.canRedo()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1109 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1110 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1111 "Redo operation not valid - " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1112 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1113

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1114 return IOperationHistory.OPERATION_INVALID_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1115 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1116

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1117 return doRedo(monitor, info, operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1118 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1119

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1120 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1121 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1122 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1123 * @see org.eclipse.core.commands.operations.IOperationHistory#redoOperation(org.eclipse.core.commands.operations.IUndoableOperation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1124 * org.eclipse.core.runtime.IProgressMonitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1125 * org.eclipse.core.runtime.IAdaptable)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1126 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1127

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1128 public IStatus redoOperation(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1129 IProgressMonitor monitor, IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1130 Assert.isNotNull(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1131 IStatus status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1132 if (operation.canRedo()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1133 status = doRedo(monitor, info, operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1134 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1135 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1136 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1137 "Redo operation not valid - " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1138 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1139 status = IOperationHistory.OPERATION_INVALID_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1140 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1141 return status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1142 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1143

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1144 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1145 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1146 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1147 * @see org.eclipse.core.commands.operations.IOperationHistory#removeOperationApprover(org.eclipse.core.commands.operations.IOperationApprover)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1148 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1149 public void removeOperationApprover(IOperationApprover approver) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1150 approvers.remove(cast(Object)approver);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1151 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1152

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1153 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1154 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1155 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1156 * @see org.eclipse.core.commands.operations.IOperationHistory#removeOperationHistoryListener(org.eclipse.core.commands.operations.IOperationHistoryListener)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1157 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1158 public void removeOperationHistoryListener(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1159 IOperationHistoryListener listener) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1160 listeners.remove(cast(Object)listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1161 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1162

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1163 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1164 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1165 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1166 * @see org.eclipse.core.commands.operations.IOperationHistory#replaceOperation(org.eclipse.core.commands.operations.IUndoableOperation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1167 * org.eclipse.core.commands.operations.IUndoableOperation [])

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1168 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1169 public void replaceOperation(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1170 IUndoableOperation[] replacements) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1171 // check the undo history first.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1172 bool inUndo = false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1173 synchronized (undoRedoHistoryLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1174 int index = undoList.indexOf(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1175 if (index > -1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1176 inUndo = true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1177 undoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1178 // notify listeners after the lock on undoList is released

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1179 ArrayList allContexts = new ArrayList(replacements.length);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1180 for (int i = 0; i < replacements.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1181 IUndoContext[] opContexts = replacements[i].getContexts();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1182 for (int j = 0; j < opContexts.length; j++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1183 allContexts.add(cast(Object)opContexts[j]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1184 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1185 undoList.add(index, cast(Object)replacements[i]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1186 // notify listeners after the lock on the history is

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1187 // released

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1188 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1189 // recheck all the limits. We do this at the end so the index

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1190 // doesn't change during replacement

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1191 for (int i = 0; i < allContexts.size(); i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1192 IUndoContext context = cast(IUndoContext) allContexts.get(i);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1193 forceUndoLimit(context, getLimit(context));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1194 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1195 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1196 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1197 if (inUndo) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1198 // notify listeners of operations added and removed

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1199 internalRemove(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1200 for (int i = 0; i < replacements.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1201 notifyAdd(replacements[i]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1202 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1203 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1204 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1205

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1206 // operation was not in the undo history. Check the redo history.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1207

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1208 synchronized (undoRedoHistoryLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1209 int index = redoList.indexOf(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1210 if (index is -1) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1211 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1212 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1213 ArrayList allContexts = new ArrayList(replacements.length);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1214 redoList.remove(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1215 // notify listeners after we release the lock on redoList

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1216 for (int i = 0; i < replacements.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1217 IUndoContext[] opContexts = replacements[i].getContexts();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1218 for (int j = 0; j < opContexts.length; j++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1219 allContexts.add(cast(Object)opContexts[j]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1220 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1221 redoList.add(index, cast(Object)replacements[i]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1222 // notify listeners after we release the lock on redoList

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1223 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1224 // recheck all the limits. We do this at the end so the index

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1225 // doesn't change during replacement

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1226 for (int i = 0; i < allContexts.size(); i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1227 IUndoContext context = cast(IUndoContext) allContexts.get(i);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1228 forceRedoLimit(context, getLimit(context));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1229 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1230 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1231 // send listener notifications after we release the lock on the history

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1232 internalRemove(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1233 for (int i = 0; i < replacements.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1234 notifyAdd(replacements[i]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1235 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1236 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1237

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1238 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1239 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1240 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1241 * @see org.eclipse.core.commands.operations.IOperationHistory#setLimit(org.eclipse.core.commands.operations.IUndoContext,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1242 * int)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1243 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1244 public void setLimit(IUndoContext context, int limit) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1245 Assert.isTrue(limit >= 0);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1246 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1247 * The limit checking methods interpret a null context as a global limit

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1248 * to be enforced. We do not wish to support a global limit in this

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1249 * implementation, so we throw an exception for a null context. The rest

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1250 * of the implementation can handle a null context, so subclasses can

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1251 * override this if a global limit is desired.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1252 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1253 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1254 limits.put(cast(Object)context, new Integer(limit));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1255 forceUndoLimit(context, limit);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1256 forceRedoLimit(context, limit);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1257

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1258 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1259

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1260 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1261 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1262 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1263 * @see org.eclipse.core.commands.operations.IOperationHistory#undo(org.eclipse.core.commands.operations.IUndoContext,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1264 * org.eclipse.core.runtime.IProgressMonitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1265 * org.eclipse.core.runtime.IAdaptable)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1266 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1267 public IStatus undo(IUndoContext context, IProgressMonitor monitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1268 IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1269 Assert.isNotNull(cast(Object)context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1270 IUndoableOperation operation = getUndoOperation(context);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1271

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1272 // info if there is no operation

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1273 if (operation is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1274 return IOperationHistory.NOTHING_TO_UNDO_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1275 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1276

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1277 // error if operation is invalid

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1278 if (!operation.canUndo()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1279 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1280 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1281 "Undo operation not valid - " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1282 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1283 return IOperationHistory.OPERATION_INVALID_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1284 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1285

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1286 return doUndo(monitor, info, operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1287 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1288

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1289 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1290 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1291 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1292 * @see org.eclipse.core.commands.operations.IOperationHistory#undoOperation(org.eclipse.core.commands.operations.IUndoableOperation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1293 * org.eclipse.core.runtime.IProgressMonitor,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1294 * org.eclipse.core.runtime.IAdaptable)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1295 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1296 public IStatus undoOperation(IUndoableOperation operation,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1297 IProgressMonitor monitor, IAdaptable info) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1298 Assert.isNotNull(cast(Object)operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1299 IStatus status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1300 if (operation.canUndo()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1301 status = doUndo(monitor, info, operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1302 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1303 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1304 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1305 "Undo operation not valid - " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1306 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1307 status = IOperationHistory.OPERATION_INVALID_STATUS;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1308 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1309 return status;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1310 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1311

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1312 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1313 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1314 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1315 * @see org.eclipse.core.commands.operations.IOperationHistory#openOperation(org.eclipse.core.commands.operations.ICompositeOperation)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1316 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1317 public void openOperation(ICompositeOperation operation, int mode) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1318 synchronized (openCompositeLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1319 if (openComposite !is null && openComposite !is operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1320 // unexpected nesting of operations.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1321 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1322 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1323 "Open operation called while another operation is open. old: " //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1324 ~ (cast(Object)openComposite).toString ~ "; new: " ~ (cast(Object)operation).toString); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1325 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1326

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1327 throw new IllegalStateException(

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1328 "Cannot open an operation while one is already open"); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1329 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1330 openComposite = operation;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1331 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1332 if (DEBUG_OPERATION_HISTORY_OPENOPERATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1333 Tracing.printTrace("OPERATIONHISTORY", "Opening operation " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1334 ~ (cast(Object)openComposite).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1335 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1336

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1337 if (mode is EXECUTE) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1338 notifyAboutToExecute(openComposite);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1339 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1340 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1341

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1342 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1343 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1344 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1345 * @see org.eclipse.core.commands.operations.IOperationHistory#closeOperation(bool,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1346 * bool)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1347 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1348 public void closeOperation(bool operationOK, bool addToHistory,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1349 int mode) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1350 ICompositeOperation endedComposite = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1351

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1352 synchronized (openCompositeLock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1353 if (DEBUG_OPERATION_HISTORY_UNEXPECTED) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1354 if (openComposite is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1355 Tracing.printTrace("OPERATIONHISTORY", //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1356 "Attempted to close operation when none was open"); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1357 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1358 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1359 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1360 // notifications will occur outside the synchonized block

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1361 if (openComposite !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1362 if (DEBUG_OPERATION_HISTORY_OPENOPERATION) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1363 Tracing.printTrace("OPERATIONHISTORY", "Closing operation " //$NON-NLS-1$ //$NON-NLS-2$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1364 ~ (cast(Object)openComposite).toString);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1365 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1366 endedComposite = openComposite;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1367 openComposite = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1368 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1369 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1370 // any mode other than EXECUTE was triggered by a request to undo or

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1371 // redo something already in the history, so undo and redo

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1372 // notification will occur at the end of that sequence.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1373 if (endedComposite !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1374 if (operationOK) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1375 if (mode is EXECUTE) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1376 notifyDone(endedComposite);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1377 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1378 if (addToHistory) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1379 add(endedComposite);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1380 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1381 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1382 if (mode is EXECUTE) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1383 notifyNotOK(endedComposite);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1384 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1385 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1386 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1387 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1388

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1389 /*

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1390 * (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1391 *

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1392 * @see org.eclipse.core.commands.operations.IOperationHistory#operationChanged(org.eclipse.core.commands.operations.IUndoableOperation)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1393 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1394 public void operationChanged(IUndoableOperation operation) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1395 if (undoList.contains(cast(Object)operation) || redoList.contains(cast(Object)operation)) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1396 notifyChanged(operation);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1397 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1398 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1399 }

Mercurial > projects > dwt2

annotate org.eclipse.core.commands/src/org/eclipse/core/commands/operations/DefaultOperationHistory.d @ 12:bc29606a740c