projects/dwt2: org.eclipse.jface/src/org/eclipse/jface/preference/FieldEditor.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) 2000, 2006 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.jface.preference.FieldEditor;
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.jface.preference.IPreferenceStore;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import org.eclipse.jface.preference.PreferencePage;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	17
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import org.eclipse.swt.SWT;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import org.eclipse.swt.events.DisposeEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import org.eclipse.swt.events.DisposeListener;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import org.eclipse.swt.graphics.FontMetrics;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import org.eclipse.swt.graphics.GC;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import org.eclipse.swt.layout.GridData;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import org.eclipse.swt.layout.GridLayout;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import org.eclipse.swt.widgets.Button;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	26 import org.eclipse.swt.widgets.Composite;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import org.eclipse.swt.widgets.Control;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	28 import org.eclipse.swt.widgets.Label;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	29 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	30 import org.eclipse.jface.dialogs.DialogPage;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	31 import org.eclipse.jface.dialogs.IDialogConstants;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	32 import org.eclipse.jface.resource.JFaceResources;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	33 import org.eclipse.jface.util.IPropertyChangeListener;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	34 import org.eclipse.jface.util.PropertyChangeEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	35
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	36 import java.lang.all;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	37 import java.util.Set;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	38
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	39 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	40 * Abstract base class for all field editors.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	41 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	42 * A field editor presents the value of a preference to the end
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	43 * user. The value is loaded from a preference store; if
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	44 * modified by the end user, the value is validated and eventually
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	45 * stored back to the preference store. A field editor reports
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	46 * an event when the value, or the validity of the value, changes.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	47 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	48 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	49 * Field editors should be used in conjunction with a field
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	50 * editor preference page (<code>FieldEditorPreferencePage</code>)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	51 * which coordinates everything and provides the message line
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	52 * which display messages emanating from the editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	53 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	54 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	55 * This package contains ready-to-use field editors for various
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	56 * types of preferences:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	57 * <ul>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	58 * <li><code>BooleanFieldEditor</code> - booleans</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	59 * <li><code>IntegerFieldEditor</code> - integers</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	60 * <li><code>StringFieldEditor</code> - text strings</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	61 * <li><code>RadioGroupFieldEditor</code> - enumerations</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	62 * <li><code>ColorFieldEditor</code> - RGB colors</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	63 * <li><code>FontFieldEditor</code> - fonts</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	64 * <li><code>DirectoryFieldEditor</code> - directories</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	65 * <li><code>FileFieldEditor</code> - files</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	66 * <li><code>PathEditor</code> - paths</li>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	67 * </ul>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	69 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	70 public abstract class FieldEditor {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	71
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	72 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	73 * Property name constant (value <code>"field_editor_is_valid"</code>)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	74 * to signal a change in the validity of the value of this field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	75 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	76 public static const String IS_VALID = "field_editor_is_valid";//$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	77
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	78 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	79 * Property name constant (value <code>"field_editor_value"</code>)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	80 * to signal a change in the value of this field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	81 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	82 public static const String VALUE = "field_editor_value";//$NON-NLS-1$
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	85 * Gap between label and control.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	86 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	87 protected static const int HORIZONTAL_GAP = 8;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	88
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	89 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	90 * The preference store, or <code>null</code> if none.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	91 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	92 private IPreferenceStore preferenceStore = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	93
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 * The name of the preference displayed in this field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	96 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	97 private String preferenceName;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	98
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 * Indicates whether the default value is currently displayed,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	101 * initially <code>false</code>.
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 private bool isDefaultPresented = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	104
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	105 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	106 * The label's text.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	107 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	108 private String labelText;
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	111 * The label control.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	112 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	113 private Label label;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	114
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 * Listener, or <code>null</code> if none
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	117 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	118 private IPropertyChangeListener propertyChangeListener;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	119
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 * The page containing this field editor
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 private DialogPage page;
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 * Creates a new field editor.
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 protected this() {
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	132 * Creates a new field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	133 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	134 * @param name the name of the preference this field editor works on
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	135 * @param labelText the label text of the field editor
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	136 * @param parent the parent of the field editor's control
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 protected this(String name, String labelText, Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	139 init(name, labelText);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	140 createControl(parent);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	141 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	144 * Adjusts the horizontal span of this field editor's basic controls.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	145 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	146 * Subclasses must implement this method to adjust the horizontal span
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	147 * of controls so they appear correct in the given number of columns.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	148 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	149 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	150 * The number of columns will always be equal to or greater than the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	151 * value returned by this editor's <code>getNumberOfControls</code> method.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	152 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	153 * @param numColumns the number of columns
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	154 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	155 protected abstract void adjustForNumColumns(int numColumns);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	156 package void adjustForNumColumns_package(int numColumns){
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	157 adjustForNumColumns(numColumns);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	158 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	159
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 * Applies a font.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	162 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	163 * The default implementation of this framework method
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	164 * does nothing. Subclasses should override this method
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	165 * if they want to change the font of the SWT control to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	166 * a value different than the standard dialog font.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	167 * </p>
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 protected void applyFont() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	170 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	171 package void applyFont_package() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	172 applyFont();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	173 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	174
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	175 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	176 * Checks if the given parent is the current parent of the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	177 * supplied control; throws an (unchecked) exception if they
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	178 * are not correctly related.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	179 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	180 * @param control the control
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	181 * @param parent the parent control
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 protected void checkParent(Control control, Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	184 Assert.isTrue(control.getParent() is parent, "Different parents");//$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	185 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	188 * Clears the error message from the message line.
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 protected void clearErrorMessage() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	191 if (page !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	192 page.setErrorMessage(null);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	193 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	194 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	195
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	196 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	197 * Clears the normal message from the message line.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	198 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	199 protected void clearMessage() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	200 if (page !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	201 page.setMessage(null);
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	206 * Returns the number of pixels corresponding to the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	207 * given number of horizontal dialog units.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	208 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	209 * Clients may call this framework method, but should not override it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	210 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	211 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	212 * @param control the control being sized
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	213 * @param dlus the number of horizontal dialog units
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	214 * @return the number of pixels
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 protected int convertHorizontalDLUsToPixels(Control control, int dlus) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	217 GC gc = new GC(control);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	218 gc.setFont(control.getFont());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	219 int averageWidth = gc.getFontMetrics().getAverageCharWidth();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	220 gc.dispose();
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 double horizontalDialogUnitSize = averageWidth * 0.25;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	223
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	224 return cast(int) Math.round(dlus * horizontalDialogUnitSize);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	225 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	226
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	227 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	228 * Returns the number of pixels corresponding to the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	229 * given number of vertical dialog units.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	230 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	231 * Clients may call this framework method, but should not override it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	232 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	233 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	234 * @param control the control being sized
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	235 * @param dlus the number of vertical dialog units
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	236 * @return the number of pixels
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	237 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	238 protected int convertVerticalDLUsToPixels(Control control, int dlus) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	239 GC gc = new GC(control);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	240 gc.setFont(control.getFont());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	241 int height = gc.getFontMetrics().getHeight();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	242 gc.dispose();
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 double verticalDialogUnitSize = height * 0.125;
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 return cast(int) Math.round(dlus * verticalDialogUnitSize);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	247 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	248
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	249 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	250 * Creates this field editor's main control containing all of its
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	251 * basic controls.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	252 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	253 * @param parent the parent control
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	254 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	255 protected void createControl(Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	256 GridLayout layout = new GridLayout();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	257 layout.numColumns = getNumberOfControls();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	258 layout.marginWidth = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	259 layout.marginHeight = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	260 layout.horizontalSpacing = HORIZONTAL_GAP;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	261 parent.setLayout(layout);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	262 doFillIntoGrid(parent, layout.numColumns);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	263 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	266 * Disposes the SWT resources used by this field editor.
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 public void dispose() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	269 // nothing to dispose
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	270 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	273 * Fills this field editor's basic controls into the given parent.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	274 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	275 * Subclasses must implement this method to create the controls
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	276 * for this field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	277 * </p>
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 * @param parent the composite used as a parent for the basic controls;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	280 * the parent's layout must be a <code>GridLayout</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	281 * @param numColumns the number of columns
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 protected abstract void doFillIntoGrid(Composite parent, int numColumns);
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	286 * Initializes this field editor with the preference value from
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	287 * the preference store.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	288 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	289 * Subclasses must implement this method to properly initialize
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	290 * the field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	291 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	292 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	293 protected abstract void doLoad();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	294
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	295 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	296 * Initializes this field editor with the default preference value from
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	297 * the preference store.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	298 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	299 * Subclasses must implement this method to properly initialize
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	300 * the field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	301 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	302 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	303 protected abstract void doLoadDefault();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	304
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	305 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	306 * Stores the preference value from this field editor into
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	307 * the preference store.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	308 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	309 * Subclasses must implement this method to save the entered value
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	310 * into the preference store.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	311 * </p>
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 protected abstract void doStore();
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	316 * Fills this field editor's basic controls into the given parent.
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 * @param parent the composite used as a parent for the basic controls;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	319 * the parent's layout must be a <code>GridLayout</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	320 * @param numColumns the number of columns
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	321 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	322 public void fillIntoGrid(Composite parent, int numColumns) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	323 Assert.isTrue(numColumns >= getNumberOfControls());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	324 Assert.isTrue(null !is cast(GridLayout)parent.getLayout() );
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	325 doFillIntoGrid(parent, numColumns);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	326 }
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 * Informs this field editor's listener, if it has one, about a change to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	330 * one of this field editor's bool-valued properties. Does nothing
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	331 * if the old and new values are the same.
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 * @param property the field editor property name,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	334 * such as <code>VALUE</code> or <code>IS_VALID</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	335 * @param oldValue the old value
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	336 * @param newValue the new value
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 protected void fireStateChanged(String property, bool oldValue,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	339 bool newValue) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	340 if (oldValue is newValue) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	341 return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	342 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	343 fireValueChanged(property, oldValue ? Boolean.TRUE : Boolean.FALSE, newValue ? Boolean.TRUE : Boolean.FALSE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	344 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	345
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 * Informs this field editor's listener, if it has one, about a change to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	348 * one of this field editor's properties.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	349 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	350 * @param property the field editor property name,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	351 * such as <code>VALUE</code> or <code>IS_VALID</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	352 * @param oldValue the old value object, or <code>null</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	353 * @param newValue the new value, or <code>null</code>
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 protected void fireValueChanged(String property, Object oldValue,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	356 Object newValue) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	357 if (propertyChangeListener is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	358 return;
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 propertyChangeListener.propertyChange(new PropertyChangeEvent(this,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	361 property, oldValue, newValue));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	362 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	365 * Returns the symbolic font name used by this field editor.
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 * @return the symbolic font name
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	368 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	369 public String getFieldEditorFontName() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	370 return JFaceResources.DIALOG_FONT;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	371 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	372
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	373 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	374 * Returns the label control.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	375 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	376 * @return the label control, or <code>null</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	377 * if no label control has been created
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	378 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	379 protected Label getLabelControl() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	380 return label;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	381 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	384 * Returns this field editor's label component.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	385 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	386 * The label is created if it does not already exist
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	387 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	388 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	389 * @param parent the parent
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	390 * @return the label control
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	391 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	392 public Label getLabelControl(Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	393 if (label is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	394 label = new Label(parent, SWT.LEFT);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	395 label.setFont(parent.getFont());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	396 String text = getLabelText();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	397 if (text !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	398 label.setText(text);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	399 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	400 label.addDisposeListener(new class DisposeListener {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	401 public void widgetDisposed(DisposeEvent event) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	402 label = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	403 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	404 });
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	405 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	406 checkParent(label, parent);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	407 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	408 return label;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	409 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	410
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 * Returns this field editor's label text.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	413 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	414 * @return the label text
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	415 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	416 public String getLabelText() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	417 return labelText;
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
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 * Returns the number of basic controls this field editor consists of.
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 * @return the number of controls
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 public abstract int getNumberOfControls();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	426
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 * Returns the name of the preference this field editor operates on.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	429 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	430 * @return the name of the preference
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	431 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	432 public String getPreferenceName() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	433 return preferenceName;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	434 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	435
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	436 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	437 * Returns the preference page in which this field editor
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	438 * appears.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	439 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	440 * @return the preference page, or <code>null</code> if none
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	441 * @deprecated use #getPage()
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 protected PreferencePage getPreferencePage() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	444 if(page !is null && cast(PreferencePage)page ) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	445 return cast(PreferencePage) page;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	446 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	447 return null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	448 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	451 * Return the DialogPage that the receiver is sending
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	452 * updates to.
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 * @return DialogPage or <code>null</code> if it
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	455 * has not been set.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	456 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	457 * @since 3.1
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	458 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	459 protected DialogPage getPage(){
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	460 return page;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	461 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	462
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	463 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	464 * Returns the preference store used by this field editor.
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 * @return the preference store, or <code>null</code> if none
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	467 * @see #setPreferenceStore
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	468 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	469 public IPreferenceStore getPreferenceStore() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	470 return preferenceStore;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	471 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	472
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	473 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	474 * Initialize the field editor with the given preference name and label.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	475 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	476 * @param name the name of the preference this field editor works on
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	477 * @param text the label text of the field editor
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 protected void init(String name, String text) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	480 Assert.isNotNull(name);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	481 Assert.isNotNull(text);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	482 preferenceName = name;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	483 this.labelText = text;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	484 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	485
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 * Returns whether this field editor contains a valid value.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	488 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	489 * The default implementation of this framework method
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	490 * returns <code>true</code>. Subclasses wishing to perform
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	491 * validation should override both this method and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	492 * <code>refreshValidState</code>.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	493 * </p>
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 * @return <code>true</code> if the field value is valid,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	496 * and <code>false</code> if invalid
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	497 * @see #refreshValidState()
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	498 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	499 public bool isValid() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	500 return true;

12

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

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

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

Frank Benoit <benoit@tionex.de>

parents:

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

Frank Benoit <benoit@tionex.de>

parents:

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

Frank Benoit <benoit@tionex.de>

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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:

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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:

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7 *

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

Frank Benoit <benoit@tionex.de>

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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.jface.preference.FieldEditor;

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14

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15 import org.eclipse.jface.preference.IPreferenceStore;

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16 import org.eclipse.jface.preference.PreferencePage;

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17

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18 import org.eclipse.swt.SWT;

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19 import org.eclipse.swt.events.DisposeEvent;

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20 import org.eclipse.swt.events.DisposeListener;

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21 import org.eclipse.swt.graphics.FontMetrics;

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22 import org.eclipse.swt.graphics.GC;

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23 import org.eclipse.swt.layout.GridData;

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24 import org.eclipse.swt.layout.GridLayout;

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25 import org.eclipse.swt.widgets.Button;

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26 import org.eclipse.swt.widgets.Composite;

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27 import org.eclipse.swt.widgets.Control;

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28 import org.eclipse.swt.widgets.Label;

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

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30 import org.eclipse.jface.dialogs.DialogPage;

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31 import org.eclipse.jface.dialogs.IDialogConstants;

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32 import org.eclipse.jface.resource.JFaceResources;

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33 import org.eclipse.jface.util.IPropertyChangeListener;

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34 import org.eclipse.jface.util.PropertyChangeEvent;

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35

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36 import java.lang.all;

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37 import java.util.Set;

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38

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39 /**

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40 * Abstract base class for all field editors.

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41 *

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42 * A field editor presents the value of a preference to the end

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43 * user. The value is loaded from a preference store; if

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44 * modified by the end user, the value is validated and eventually

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45 * stored back to the preference store. A field editor reports

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46 * an event when the value, or the validity of the value, changes.

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47 *

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48 *

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49 * Field editors should be used in conjunction with a field

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50 * editor preference page (<code>FieldEditorPreferencePage</code>)

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51 * which coordinates everything and provides the message line

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52 * which display messages emanating from the editor.

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53 *

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54 *

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55 * This package contains ready-to-use field editors for various

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56 * types of preferences:

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57 * <ul>

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58 * <li><code>BooleanFieldEditor</code> - booleans</li>

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59 * <li><code>IntegerFieldEditor</code> - integers</li>

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60 * <li><code>StringFieldEditor</code> - text strings</li>

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61 * <li><code>RadioGroupFieldEditor</code> - enumerations</li>

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62 * <li><code>ColorFieldEditor</code> - RGB colors</li>

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63 * <li><code>FontFieldEditor</code> - fonts</li>

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64 * <li><code>DirectoryFieldEditor</code> - directories</li>

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65 * <li><code>FileFieldEditor</code> - files</li>

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66 * <li><code>PathEditor</code> - paths</li>

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67 * </ul>

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68 *

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69 */

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70 public abstract class FieldEditor {

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71

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72 /**

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73 * Property name constant (value <code>"field_editor_is_valid"</code>)

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74 * to signal a change in the validity of the value of this field editor.

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75 */

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76 public static const String IS_VALID = "field_editor_is_valid";//$NON-NLS-1$

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77

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78 /**

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79 * Property name constant (value <code>"field_editor_value"</code>)

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80 * to signal a change in the value of this field editor.

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81 */

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82 public static const String VALUE = "field_editor_value";//$NON-NLS-1$

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83

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84 /**

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85 * Gap between label and control.

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86 */

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87 protected static const int HORIZONTAL_GAP = 8;

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88

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89 /**

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90 * The preference store, or <code>null</code> if none.

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91 */

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92 private IPreferenceStore preferenceStore = null;

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93

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94 /**

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95 * The name of the preference displayed in this field editor.

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96 */

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97 private String preferenceName;

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98

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99 /**

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100 * Indicates whether the default value is currently displayed,

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101 * initially <code>false</code>.

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102 */

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103 private bool isDefaultPresented = false;

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104

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105 /**

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106 * The label's text.

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107 */

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108 private String labelText;

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109

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110 /**

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111 * The label control.

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112 */

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113 private Label label;

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114

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115 /**

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116 * Listener, or <code>null</code> if none

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117 */

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118 private IPropertyChangeListener propertyChangeListener;

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119

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120 /**

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121 * The page containing this field editor

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122 */

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123 private DialogPage page;

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124

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125 /**

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126 * Creates a new field editor.

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127 */

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128 protected this() {

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129 }

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130

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131 /**

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132 * Creates a new field editor.

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133 *

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134 * @param name the name of the preference this field editor works on

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135 * @param labelText the label text of the field editor

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136 * @param parent the parent of the field editor's control

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137 */

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138 protected this(String name, String labelText, Composite parent) {

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139 init(name, labelText);

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140 createControl(parent);

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141 }

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142

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143 /**

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144 * Adjusts the horizontal span of this field editor's basic controls.

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145 *

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146 * Subclasses must implement this method to adjust the horizontal span

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147 * of controls so they appear correct in the given number of columns.

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148 *

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149 *

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150 * The number of columns will always be equal to or greater than the

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151 * value returned by this editor's <code>getNumberOfControls</code> method.

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152 *

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153 * @param numColumns the number of columns

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154 */

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155 protected abstract void adjustForNumColumns(int numColumns);

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156 package void adjustForNumColumns_package(int numColumns){

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157 adjustForNumColumns(numColumns);

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158 }

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159

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160 /**

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161 * Applies a font.

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162 *

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163 * The default implementation of this framework method

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164 * does nothing. Subclasses should override this method

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165 * if they want to change the font of the SWT control to

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166 * a value different than the standard dialog font.

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167 *

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168 */

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169 protected void applyFont() {

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170 }

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171 package void applyFont_package() {

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172 applyFont();

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173 }

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174

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175 /**

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176 * Checks if the given parent is the current parent of the

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177 * supplied control; throws an (unchecked) exception if they

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178 * are not correctly related.

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179 *

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180 * @param control the control

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181 * @param parent the parent control

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182 */

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183 protected void checkParent(Control control, Composite parent) {

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184 Assert.isTrue(control.getParent() is parent, "Different parents");//$NON-NLS-1$

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185 }

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186

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187 /**

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188 * Clears the error message from the message line.

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189 */

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190 protected void clearErrorMessage() {

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191 if (page !is null) {

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192 page.setErrorMessage(null);

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193 }

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194 }

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195

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196 /**

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197 * Clears the normal message from the message line.

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198 */

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199 protected void clearMessage() {

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200 if (page !is null) {

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201 page.setMessage(null);

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202 }

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203 }

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204

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205 /**

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206 * Returns the number of pixels corresponding to the

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207 * given number of horizontal dialog units.

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208 *

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209 * Clients may call this framework method, but should not override it.

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210 *

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211 *

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212 * @param control the control being sized

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213 * @param dlus the number of horizontal dialog units

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214 * @return the number of pixels

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215 */

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216 protected int convertHorizontalDLUsToPixels(Control control, int dlus) {

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217 GC gc = new GC(control);

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218 gc.setFont(control.getFont());

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219 int averageWidth = gc.getFontMetrics().getAverageCharWidth();

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220 gc.dispose();

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221

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222 double horizontalDialogUnitSize = averageWidth * 0.25;

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223

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224 return cast(int) Math.round(dlus * horizontalDialogUnitSize);

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225 }

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226

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227 /**

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228 * Returns the number of pixels corresponding to the

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229 * given number of vertical dialog units.

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230 *

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231 * Clients may call this framework method, but should not override it.

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232 *

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233 *

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234 * @param control the control being sized

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235 * @param dlus the number of vertical dialog units

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236 * @return the number of pixels

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237 */

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238 protected int convertVerticalDLUsToPixels(Control control, int dlus) {

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239 GC gc = new GC(control);

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240 gc.setFont(control.getFont());

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241 int height = gc.getFontMetrics().getHeight();

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242 gc.dispose();

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243

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244 double verticalDialogUnitSize = height * 0.125;

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245

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246 return cast(int) Math.round(dlus * verticalDialogUnitSize);

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247 }

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248

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249 /**

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250 * Creates this field editor's main control containing all of its

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251 * basic controls.

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252 *

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253 * @param parent the parent control

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254 */

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255 protected void createControl(Composite parent) {

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256 GridLayout layout = new GridLayout();

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257 layout.numColumns = getNumberOfControls();

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258 layout.marginWidth = 0;

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259 layout.marginHeight = 0;

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260 layout.horizontalSpacing = HORIZONTAL_GAP;

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261 parent.setLayout(layout);

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262 doFillIntoGrid(parent, layout.numColumns);

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263 }

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264

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265 /**

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266 * Disposes the SWT resources used by this field editor.

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267 */

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268 public void dispose() {

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269 // nothing to dispose

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270 }

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271

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272 /**

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273 * Fills this field editor's basic controls into the given parent.

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274 *

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275 * Subclasses must implement this method to create the controls

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276 * for this field editor.

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277 *

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278 *

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279 * @param parent the composite used as a parent for the basic controls;

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280 * the parent's layout must be a <code>GridLayout</code>

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281 * @param numColumns the number of columns

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282 */

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283 protected abstract void doFillIntoGrid(Composite parent, int numColumns);

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284

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285 /**

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286 * Initializes this field editor with the preference value from

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287 * the preference store.

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288 *

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289 * Subclasses must implement this method to properly initialize

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290 * the field editor.

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291 *

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292 */

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293 protected abstract void doLoad();

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294

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295 /**

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296 * Initializes this field editor with the default preference value from

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297 * the preference store.

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298 *

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299 * Subclasses must implement this method to properly initialize

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300 * the field editor.

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301 *

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302 */

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303 protected abstract void doLoadDefault();

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304

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305 /**

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306 * Stores the preference value from this field editor into

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307 * the preference store.

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308 *

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309 * Subclasses must implement this method to save the entered value

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310 * into the preference store.

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311 *

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312 */

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313 protected abstract void doStore();

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314

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315 /**

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316 * Fills this field editor's basic controls into the given parent.

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317 *

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318 * @param parent the composite used as a parent for the basic controls;

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319 * the parent's layout must be a <code>GridLayout</code>

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320 * @param numColumns the number of columns

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321 */

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322 public void fillIntoGrid(Composite parent, int numColumns) {

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323 Assert.isTrue(numColumns >= getNumberOfControls());

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324 Assert.isTrue(null !is cast(GridLayout)parent.getLayout() );

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325 doFillIntoGrid(parent, numColumns);

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326 }

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327

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328 /**

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329 * Informs this field editor's listener, if it has one, about a change to

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330 * one of this field editor's bool-valued properties. Does nothing

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331 * if the old and new values are the same.

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332 *

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333 * @param property the field editor property name,

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334 * such as <code>VALUE</code> or <code>IS_VALID</code>

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335 * @param oldValue the old value

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336 * @param newValue the new value

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337 */

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338 protected void fireStateChanged(String property, bool oldValue,

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339 bool newValue) {

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340 if (oldValue is newValue) {

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341 return;

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342 }

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343 fireValueChanged(property, oldValue ? Boolean.TRUE : Boolean.FALSE, newValue ? Boolean.TRUE : Boolean.FALSE);

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344 }

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345

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346 /**

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347 * Informs this field editor's listener, if it has one, about a change to

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348 * one of this field editor's properties.

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349 *

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350 * @param property the field editor property name,

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351 * such as <code>VALUE</code> or <code>IS_VALID</code>

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352 * @param oldValue the old value object, or <code>null</code>

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353 * @param newValue the new value, or <code>null</code>

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354 */

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355 protected void fireValueChanged(String property, Object oldValue,

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356 Object newValue) {

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357 if (propertyChangeListener is null) {

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358 return;

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359 }

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360 propertyChangeListener.propertyChange(new PropertyChangeEvent(this,

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361 property, oldValue, newValue));

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362 }

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363

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364 /**

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365 * Returns the symbolic font name used by this field editor.

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366 *

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367 * @return the symbolic font name

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368 */

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369 public String getFieldEditorFontName() {

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370 return JFaceResources.DIALOG_FONT;

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371 }

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372

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373 /**

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374 * Returns the label control.

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375 *

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376 * @return the label control, or <code>null</code>

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377 * if no label control has been created

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378 */

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379 protected Label getLabelControl() {

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380 return label;

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381 }

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382

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383 /**

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384 * Returns this field editor's label component.

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385 *

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386 * The label is created if it does not already exist

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387 *

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388 *

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389 * @param parent the parent

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390 * @return the label control

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391 */

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392 public Label getLabelControl(Composite parent) {

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393 if (label is null) {

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394 label = new Label(parent, SWT.LEFT);

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395 label.setFont(parent.getFont());

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396 String text = getLabelText();

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397 if (text !is null) {

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398 label.setText(text);

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399 }

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400 label.addDisposeListener(new class DisposeListener {

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401 public void widgetDisposed(DisposeEvent event) {

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402 label = null;

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403 }

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404 });

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405 } else {

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406 checkParent(label, parent);

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407 }

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408 return label;

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409 }

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410

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411 /**

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412 * Returns this field editor's label text.

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413 *

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414 * @return the label text

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415 */

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416 public String getLabelText() {

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417 return labelText;

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418 }

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419

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420 /**

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421 * Returns the number of basic controls this field editor consists of.

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422 *

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423 * @return the number of controls

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424 */

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425 public abstract int getNumberOfControls();

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426

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427 /**

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428 * Returns the name of the preference this field editor operates on.

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429 *

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430 * @return the name of the preference

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431 */

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432 public String getPreferenceName() {

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433 return preferenceName;

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434 }

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435

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diff changeset

436 /**

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437 * Returns the preference page in which this field editor

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438 * appears.

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439 *

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440 * @return the preference page, or <code>null</code> if none

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441 * @deprecated use #getPage()

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442 */

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443 protected PreferencePage getPreferencePage() {

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444 if(page !is null && cast(PreferencePage)page ) {

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445 return cast(PreferencePage) page;

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446 }

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447 return null;

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448 }

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449

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450 /**

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451 * Return the DialogPage that the receiver is sending

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diff changeset

452 * updates to.

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diff changeset

453 *

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454 * @return DialogPage or <code>null</code> if it

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455 * has not been set.

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456 *

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457 * @since 3.1

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458 */

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459 protected DialogPage getPage(){

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460 return page;

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461 }

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462

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463 /**

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464 * Returns the preference store used by this field editor.

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465 *

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466 * @return the preference store, or <code>null</code> if none

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467 * @see #setPreferenceStore

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468 */

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469 public IPreferenceStore getPreferenceStore() {

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470 return preferenceStore;

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471 }

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472

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473 /**

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474 * Initialize the field editor with the given preference name and label.

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475 *

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476 * @param name the name of the preference this field editor works on

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477 * @param text the label text of the field editor

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478 */

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479 protected void init(String name, String text) {

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480 Assert.isNotNull(name);

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481 Assert.isNotNull(text);

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482 preferenceName = name;

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483 this.labelText = text;

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484 }

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485

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486 /**

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487 * Returns whether this field editor contains a valid value.

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488 *

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489 * The default implementation of this framework method

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490 * returns <code>true</code>. Subclasses wishing to perform

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491 * validation should override both this method and

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492 * <code>refreshValidState</code>.

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493 *

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494 *

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495 * @return <code>true</code> if the field value is valid,

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496 * and <code>false</code> if invalid

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497 * @see #refreshValidState()

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498 */

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499 public bool isValid() {

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500 return true;

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501 }

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502

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503 /**

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504 * Initializes this field editor with the preference value from

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505 * the preference store.

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506 */

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507 public void load() {

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508 if (preferenceStore !is null) {

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509 isDefaultPresented = false;

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510 doLoad();

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511 refreshValidState();

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512 }

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513 }

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514

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diff changeset

515 /**

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516 * Initializes this field editor with the default preference value

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517 * from the preference store.

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518 */

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519 public void loadDefault() {

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520 if (preferenceStore !is null) {

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521 isDefaultPresented = true;

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522 doLoadDefault();

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523 refreshValidState();

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524 }

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525 }

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526

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527 /**

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528 * Returns whether this field editor currently presents the

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529 * default value for its preference.

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530 *

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diff changeset

531 * @return <code>true</code> if the default value is presented,

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diff changeset

532 * and <code>false</code> otherwise

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533 */

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diff changeset

534 public bool presentsDefaultValue() {

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diff changeset

535 return isDefaultPresented;

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536 }

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537

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538 /**

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diff changeset

539 * Refreshes this field editor's valid state after a value change

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

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diff changeset

540 * and fires an <code>IS_VALID</code> property change event if

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

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parents:

diff changeset

541 * warranted.

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

Frank Benoit <benoit@tionex.de>

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diff changeset

542 *

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

Frank Benoit <benoit@tionex.de>

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diff changeset

543 * The default implementation of this framework method does

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

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diff changeset

544 * nothing. Subclasses wishing to perform validation should override

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

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diff changeset

545 * both this method and <code>isValid</code>.

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

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diff changeset

546 *

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

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diff changeset

547 *

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parents:

diff changeset

548 * @see #isValid

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

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549 */

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550 protected void refreshValidState() {

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

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551 }

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

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diff changeset

552

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diff changeset

553 /**

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

554 * Sets the focus to this field editor.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

555 *

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

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diff changeset

556 * The default implementation of this framework method

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

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diff changeset

557 * does nothing. Subclasses may reimplement.

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

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diff changeset

558 *

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

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559 */

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diff changeset

560 public void setFocus() {

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

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561 // do nothing;

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

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562 }

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diff changeset

563

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

564 /**

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

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parents:

diff changeset

565 * Sets this field editor's label text.

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

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parents:

diff changeset

566 * The label is typically presented to the left of the entry field.

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

Frank Benoit <benoit@tionex.de>

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diff changeset

567 *

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

Frank Benoit <benoit@tionex.de>

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diff changeset

568 * @param text the label text

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

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diff changeset

569 */

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diff changeset

570 public void setLabelText(String text) {

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diff changeset

571 Assert.isNotNull(text);

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

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diff changeset

572 labelText = text;

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diff changeset

573 if (label !is null) {

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diff changeset

574 label.setText(text);

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diff changeset

575 }

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

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diff changeset

576 }

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

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parents:

diff changeset

577

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

578 /**

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

579 * Sets the name of the preference this field editor operates on.

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 * The ability to change this allows the same field editor object

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

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parents:

diff changeset

582 * to be reused for different preferences.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

583 *

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 * For example:

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

586 * <pre>

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

Frank Benoit <benoit@tionex.de>

parents:

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587 * ...

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

Frank Benoit <benoit@tionex.de>

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diff changeset

588 * editor.setPreferenceName("font");

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

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parents:

diff changeset

589 * editor.load();

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

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parents:

diff changeset

590 * </pre>

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

591 *

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

592 *

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

593 * @param name the name of the preference

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 public void setPreferenceName(String name) {

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

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parents:

diff changeset

596 preferenceName = name;

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

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diff changeset

597 }

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

598

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

599 /**

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

600 * Sets the preference page in which this field editor

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

601 * appears.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

602 *

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

603 * @param preferencePage the preference page, or <code>null</code> if none

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

604 * @deprecated use #setPage(DialogPage)

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

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parents:

diff changeset

605 */

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

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parents:

diff changeset

606 public void setPreferencePage(PreferencePage preferencePage) {

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parents:

diff changeset

607 setPage(preferencePage);

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

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parents:

diff changeset

608 }

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

609

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

610

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

611 /**

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

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parents:

diff changeset

612 * Set the page to be the receiver.

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613 * @param dialogPage

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614 *

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615 * @since 3.1

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616 */

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617 public void setPage(DialogPage dialogPage) {

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618 page = dialogPage;

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619

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620 }

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621

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622 /**

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623 * Sets the preference store used by this field editor.

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624 *

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625 * @param store the preference store, or <code>null</code> if none

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626 * @see #getPreferenceStore

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627 */

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628 public void setPreferenceStore(IPreferenceStore store) {

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629 preferenceStore = store;

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630 }

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631

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632 /**

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633 * Sets whether this field editor is presenting the default value.

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634 *

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635 * @param booleanValue <code>true</code> if the default value is being presented,

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636 * and <code>false</code> otherwise

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637 */

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638 protected void setPresentsDefaultValue(bool booleanValue) {

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639 isDefaultPresented = booleanValue;

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640 }

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641 package void setPresentsDefaultValue_package(bool booleanValue) {

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642 setPresentsDefaultValue(booleanValue);

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643 }

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644

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645 /**

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646 * Sets or removes the property change listener for this field editor.

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parents:

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647 *

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648 * Note that field editors can support only a single listener.

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diff changeset

649 *

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650 *

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651 * @param listener a property change listener, or <code>null</code>

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652 * to remove

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653 */

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654 public void setPropertyChangeListener(IPropertyChangeListener listener) {

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655 propertyChangeListener = listener;

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656 }

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657

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658 /**

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659 * Shows the given error message in the page for this

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660 * field editor if it has one.

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661 *

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662 * @param msg the error message

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663 */

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664 protected void showErrorMessage(String msg) {

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665 if (page !is null) {

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666 page.setErrorMessage(msg);

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667 }

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668 }

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diff changeset

669

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670 /**

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671 * Shows the given message in the page for this

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672 * field editor if it has one.

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673 *

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674 * @param msg the message

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675 */

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676 protected void showMessage(String msg) {

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677 if (page !is null) {

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678 page.setErrorMessage(msg);

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679 }

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680 }

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681

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682 /**

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683 * Stores this field editor's value back into the preference store.

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parents:

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684 */

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diff changeset

685 public void store() {

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686 if (preferenceStore is null) {

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diff changeset

687 return;

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688 }

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689

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690 if (isDefaultPresented) {

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691 preferenceStore.setToDefault(preferenceName);

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692 } else {

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693 doStore();

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diff changeset

694 }

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parents:

diff changeset

695 }

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

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parents:

diff changeset

696

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parents:

diff changeset

697 /**

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Frank Benoit <benoit@tionex.de>

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diff changeset

698 * Set the GridData on button to be one that is spaced for the

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Frank Benoit <benoit@tionex.de>

parents:

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699 * current font.

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diff changeset

700 * @param button the button the data is being set on.

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parents:

diff changeset

701 */

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

702

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parents:

diff changeset

703 protected void setButtonLayoutData(Button button) {

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

704

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

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parents:

diff changeset

705 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

706

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

707 // Compute and store a font metric

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

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parents:

diff changeset

708 GC gc = new GC(button);

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

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parents:

diff changeset

709 gc.setFont(button.getFont());

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

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parents:

diff changeset

710 FontMetrics fontMetrics = gc.getFontMetrics();

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

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parents:

diff changeset

711 gc.dispose();

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

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parents:

diff changeset

712

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

713 int widthHint = org.eclipse.jface.dialogs.Dialog.Dialog

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

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diff changeset

714 .convertVerticalDLUsToPixels(fontMetrics,

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

715 IDialogConstants.BUTTON_WIDTH);

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

716 data.widthHint = Math.max(widthHint, button.computeSize(SWT.DEFAULT,

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parents:

diff changeset

717 SWT.DEFAULT, true).x);

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

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parents:

diff changeset

718 button.setLayoutData(data);

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

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diff changeset

719 }

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

720

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

721 /**

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

722 * Set whether or not the controls in the field editor

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

723 * are enabled.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

724 * @param enabled The enabled state.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

725 * @param parent The parent of the controls in the group.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

726 * Used to create the controls if required.

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

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

727 */

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

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parents:

diff changeset

728 public void setEnabled(bool enabled, Composite parent) {

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

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parents:

diff changeset

729 getLabelControl(parent).setEnabled(enabled);

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

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parents:

diff changeset

730 }

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

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731

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diff changeset

732 }

Mercurial > projects > dwt2

annotate org.eclipse.jface/src/org/eclipse/jface/preference/FieldEditor.d @ 12:bc29606a740c