projects/dwt2: org.eclipse.jface/src/org/eclipse/jface/preference/StringFieldEditor.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, 2007 IBM Corporation and others.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	10 * Port to the D programming language:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	11 * Frank Benoit <benoit@tionex.de>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	12 *******************************************************************************/
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	13 module org.eclipse.jface.preference.StringFieldEditor;
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.FieldEditor;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	16
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	17 import org.eclipse.swt.SWT;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	18 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	19 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	20 import org.eclipse.swt.events.FocusAdapter;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import org.eclipse.swt.events.FocusEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import org.eclipse.swt.events.KeyAdapter;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import org.eclipse.swt.events.KeyEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	24 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	25 import org.eclipse.swt.graphics.Point;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	26 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	27 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	28 import org.eclipse.swt.widgets.Text;
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.resource.JFaceResources;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	31
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	32 import java.lang.all;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	33 import java.util.Set;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	34
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 * A field editor for a string type preference.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	37 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	38 * This class may be used as is, or subclassed as required.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	39 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	40 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	41 public class StringFieldEditor : FieldEditor {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	42
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	43 alias FieldEditor.showErrorMessage showErrorMessage;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	44 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	45 * Validation strategy constant (value <code>0</code>) indicating that
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	46 * the editor should perform validation after every key stroke.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	47 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	48 * @see #setValidateStrategy
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	49 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	50 public static const int VALIDATE_ON_KEY_STROKE = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	51
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	52 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	53 * Validation strategy constant (value <code>1</code>) indicating that
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	54 * the editor should perform validation only when the text widget
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	55 * loses focus.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	56 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	57 * @see #setValidateStrategy
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	58 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	59 public static const int VALIDATE_ON_FOCUS_LOST = 1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	60
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	61 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	62 * Text limit constant (value <code>-1</code>) indicating unlimited
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	63 * text limit and width.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	64 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	65 public static int UNLIMITED = -1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	66
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	67 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * Cached valid state.
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 private bool isValid_;
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 * Old text value.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	74 * @since 3.4 this field is protected.
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 protected String oldValue;
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 * The text field, 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	80 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	81 Text textField;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	82
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 * Width of text field in characters; initially unlimited.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	85 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	86 private int widthInChars;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	87
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	88 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	89 * Text limit of text field in characters; initially unlimited.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	90 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	91 private int textLimit;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	92
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	93 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	94 * The error message, 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	95 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	96 private String errorMessage;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	97
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 * Indicates whether the empty string is legal;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	100 * <code>true</code> by default.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	101 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	102 private bool emptyStringAllowed = true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	103
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 * The validation strategy;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	106 * <code>VALIDATE_ON_KEY_STROKE</code> by default.
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 int validateStrategy;
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 * Creates a new string field editor
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 protected this() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	114 widthInChars = UNLIMITED;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	115 textLimit = UNLIMITED;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	116 validateStrategy = VALIDATE_ON_KEY_STROKE;
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
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 * Creates a string field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	121 * Use the method <code>setTextLimit</code> to limit the text.
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 * @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	124 * @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	125 * @param width the width of the text input field in characters,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	126 * or <code>UNLIMITED</code> for no limit
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	127 * @param strategy either <code>VALIDATE_ON_KEY_STROKE</code> to perform
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	128 * on the fly checking (the default), or <code>VALIDATE_ON_FOCUS_LOST</code> to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	129 * perform validation only after the text has been typed in
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	130 * @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	131 * @since 2.0
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	132 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	133 public this(String name, String labelText, int width,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	134 int strategy, Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	135 this();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	136 init(name, labelText);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	137 widthInChars = width;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	138 setValidateStrategy(strategy);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	139 isValid_ = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	140 errorMessage = JFaceResources
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	141 .getString("StringFieldEditor.errorMessage");//$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	142 createControl(parent);
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	145 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	146 * Creates a string field editor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	147 * Use the method <code>setTextLimit</code> to limit the text.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	148 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	149 * @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	150 * @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	151 * @param width the width of the text input field in characters,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	152 * or <code>UNLIMITED</code> for no limit
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	153 * @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	154 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	155 public this(String name, String labelText, int width,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	156 Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	157 this(name, labelText, width, VALIDATE_ON_KEY_STROKE, parent);
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 * Creates a string field editor of unlimited width.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	162 * Use the method <code>setTextLimit</code> to limit the text.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	163 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	164 * @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	165 * @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	166 * @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	167 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	168 public 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	169 this(name, labelText, UNLIMITED, parent);
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	172 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	173 * Method declared on FieldEditor.
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 protected override void adjustForNumColumns(int numColumns) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	176 GridData gd = cast(GridData) textField.getLayoutData();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	177 gd.horizontalSpan = numColumns - 1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	178 // We only grab excess space if we have to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	179 // If another field editor has more columns then
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	180 // we assume it is setting the width.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	181 gd.grabExcessHorizontalSpace = gd.horizontalSpan is 1;
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	184 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	185 * Checks whether the text input field contains a valid value or not.
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 * @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	188 * 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	189 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	190 protected bool checkState() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	191 bool result = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	192 if (emptyStringAllowed) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	193 result = true;
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 if (textField is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	197 result = false;
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	200 String txt = textField.getText();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	201
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	202 result = (txt.trim().length > 0) \|\| emptyStringAllowed;
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 // call hook for subclasses
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	205 result = result && doCheckState();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	206
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	207 if (result) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	208 clearErrorMessage();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	209 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	210 showErrorMessage(errorMessage);
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	213 return result;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	214 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	217 * Hook for subclasses to do specific state checks.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	218 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	219 * The default implementation of this framework method does
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	220 * nothing and returns <code>true</code>. Subclasses should
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	221 * override this method to specific state checks.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	222 * </p>
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 <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	225 * 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	226 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	227 protected bool doCheckState() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	228 return true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	229 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	230
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	231 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	232 * 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	233 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	234 * The string field implementation of this <code>FieldEditor</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	235 * framework method contributes the text field. Subclasses may override
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	236 * but must call <code>super.doFillIntoGrid</code>.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	237 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	238 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	239 protected override 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	240 getLabelControl(parent);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	241
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	242 textField = getTextControl(parent);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	243 GridData gd = new GridData();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	244 gd.horizontalSpan = numColumns - 1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	245 if (widthInChars !is UNLIMITED) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	246 GC gc = new GC(textField);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	247 try {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	248 Point extent = gc.textExtent("X");//$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	249 gd.widthHint = widthInChars * extent.x;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	250 } finally {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	251 gc.dispose();
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 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	254 gd.horizontalAlignment = GridData.FILL;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	255 gd.grabExcessHorizontalSpace = true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	256 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	257 textField.setLayoutData(gd);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	258 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	259
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	260 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	261 * Method declared on FieldEditor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	262 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	263 protected override void doLoad() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	264 if (textField !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	265 String value = getPreferenceStore().getString(getPreferenceName());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	266 textField.setText(value);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	267 oldValue = value;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	268 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	269 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	270
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	271 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	272 * Method declared on FieldEditor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	273 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	274 protected override void doLoadDefault() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	275 if (textField !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	276 String value = getPreferenceStore().getDefaultString(
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	277 getPreferenceName());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	278 textField.setText(value);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	279 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	280 valueChanged();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	281 }
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 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	284 * Method declared on FieldEditor.
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 protected override void doStore() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	287 getPreferenceStore().setValue(getPreferenceName(), textField.getText());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	288 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	289
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	290 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	291 * Returns the error message that will be displayed when and if
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	292 * an error occurs.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	293 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	294 * @return the error message, 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	295 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	296 public String getErrorMessage() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	297 return errorMessage;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	298 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	299
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	300 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	301 * Method declared on FieldEditor.
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 public override int getNumberOfControls() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	304 return 2;
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	307 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	308 * Returns the field editor's value.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	309 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	310 * @return the current value
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	311 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	312 public String getStringValue() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	313 if (textField !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	314 return textField.getText();
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	317 return getPreferenceStore().getString(getPreferenceName());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	318 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	319
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	320 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	321 * Returns this field editor's text control.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	322 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	323 * @return the text control, or <code>null</code> if no
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	324 * text field is created yet
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	325 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	326 protected Text getTextControl() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	327 return textField;
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	330 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	331 * Returns this field editor's text control.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	332 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	333 * The control is created if it does not yet exist
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	334 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	335 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	336 * @param parent the parent
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	337 * @return the text control
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	338 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	339 public Text getTextControl(Composite parent) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	340 if (textField is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	341 textField = new Text(parent, SWT.SINGLE \| SWT.BORDER);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	342 textField.setFont(parent.getFont());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	343 switch (validateStrategy) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	344 case VALIDATE_ON_KEY_STROKE:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	345 textField.addKeyListener(new class KeyAdapter {
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 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	348 * @see org.eclipse.swt.events.KeyAdapter#keyReleased(org.eclipse.swt.events.KeyEvent)
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 public void keyReleased(KeyEvent e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	351 valueChanged();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	352 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	353 });
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 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	356 case VALIDATE_ON_FOCUS_LOST:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	357 textField.addKeyListener(new class KeyAdapter {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	358 public void keyPressed(KeyEvent e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	359 clearErrorMessage();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	360 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	361 });
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	362 textField.addFocusListener(new class FocusAdapter {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	363 public void focusGained(FocusEvent e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	364 refreshValidState();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	365 }
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 public void focusLost(FocusEvent e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	368 valueChanged();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	369 clearErrorMessage();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	370 }
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 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	373 default:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	374 Assert.isTrue(false, "Unknown validate strategy");//$NON-NLS-1$
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 textField.addDisposeListener(new class DisposeListener {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	377 public void widgetDisposed(DisposeEvent event) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	378 textField = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	379 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	380 });
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	381 if (textLimit > 0) {//Only set limits above 0 - see SWT spec
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	382 textField.setTextLimit(textLimit);
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 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	385 checkParent(textField, parent);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	386 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	387 return textField;
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	390 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	391 * Returns whether an empty string is a valid value.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	392 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	393 * @return <code>true</code> if an empty string is a valid value, and
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	394 * <code>false</code> if an empty string is invalid
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	395 * @see #setEmptyStringAllowed
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	396 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	397 public bool isEmptyStringAllowed() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	398 return emptyStringAllowed;
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	401 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	402 * Method declared on FieldEditor.
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 public override bool isValid() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	405 return isValid_;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	406 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	407
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	408 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	409 * Method declared on FieldEditor.
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 protected override void refreshValidState() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	412 isValid_ = checkState();
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
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 * Sets whether the empty string is a valid value or not.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	417 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	418 * @param b <code>true</code> if the empty string is allowed,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	419 * and <code>false</code> if it is considered invalid
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 public void setEmptyStringAllowed(bool b) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	422 emptyStringAllowed = b;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	423 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	426 * Sets the error message that will be displayed when and if
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	427 * an error occurs.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	428 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	429 * @param message the error message
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	430 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	431 public void setErrorMessage(String message) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	432 errorMessage = message;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	433 }
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 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	436 * Method declared on FieldEditor.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	437 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	438 public override void setFocus() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	439 if (textField !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	440 textField.setFocus();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	441 }
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
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	444 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	445 * Sets this field editor's value.
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 * @param value the new value, or <code>null</code> meaning the empty string
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 public void setStringValue(String value) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	450 if (textField !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	451 if (value is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	452 value = "";//$NON-NLS-1$
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 oldValue = textField.getText();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	455 if (!oldValue.equals(value)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	456 textField.setText(value);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	457 valueChanged();
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 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	460 }
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 * Sets this text field's text limit.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	464 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	465 * @param limit the limit on the number of character in the text
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	466 * input field, or <code>UNLIMITED</code> for no limit
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	467
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 void setTextLimit(int limit) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	470 textLimit = limit;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	471 if (textField !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	472 textField.setTextLimit(limit);
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 }
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 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	477 * Sets the strategy for validating the text.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	478 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	479 * Calling this method has no effect after <code>createPartControl</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	480 * is called. Thus this method is really only useful for subclasses to call
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	481 * in their constructor. However, it has public visibility for backward
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	482 * compatibility.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	483 * </p>
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 * @param value either <code>VALIDATE_ON_KEY_STROKE</code> to perform
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	486 * on the fly checking (the default), or <code>VALIDATE_ON_FOCUS_LOST</code> to
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	487 * perform validation only after the text has been typed in
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	488 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	489 public void setValidateStrategy(int value) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	490 Assert.isTrue(value is VALIDATE_ON_FOCUS_LOST
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	491 \|\| value is VALIDATE_ON_KEY_STROKE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	492 validateStrategy = value;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	493 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	494
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	495 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	496 * Shows the error message set via <code>setErrorMessage</code>.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	497 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	498 public void showErrorMessage() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	499 showErrorMessage(errorMessage);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	500 }

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

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

Frank Benoit <benoit@tionex.de>

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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:

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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>

parents:

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8 * Contributors:

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

Frank Benoit <benoit@tionex.de>

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9 * IBM Corporation - initial API and implementation

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

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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.StringFieldEditor;

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14

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

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16

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17 import org.eclipse.swt.SWT;

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

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

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

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21 import org.eclipse.swt.events.FocusEvent;

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22 import org.eclipse.swt.events.KeyAdapter;

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23 import org.eclipse.swt.events.KeyEvent;

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

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25 import org.eclipse.swt.graphics.Point;

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

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

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

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

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

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31

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32 import java.lang.all;

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33 import java.util.Set;

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34

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35 /**

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36 * A field editor for a string type preference.

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37 *

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38 * This class may be used as is, or subclassed as required.

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39 *

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40 */

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41 public class StringFieldEditor : FieldEditor {

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42

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43 alias FieldEditor.showErrorMessage showErrorMessage;

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44 /**

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45 * Validation strategy constant (value <code>0</code>) indicating that

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46 * the editor should perform validation after every key stroke.

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47 *

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48 * @see #setValidateStrategy

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49 */

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50 public static const int VALIDATE_ON_KEY_STROKE = 0;

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51

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52 /**

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53 * Validation strategy constant (value <code>1</code>) indicating that

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54 * the editor should perform validation only when the text widget

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55 * loses focus.

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56 *

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57 * @see #setValidateStrategy

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58 */

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59 public static const int VALIDATE_ON_FOCUS_LOST = 1;

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60

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61 /**

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62 * Text limit constant (value <code>-1</code>) indicating unlimited

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63 * text limit and width.

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64 */

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65 public static int UNLIMITED = -1;

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66

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67 /**

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68 * Cached valid state.

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69 */

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70 private bool isValid_;

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71

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72 /**

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73 * Old text value.

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74 * @since 3.4 this field is protected.

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75 */

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76 protected String oldValue;

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77

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78 /**

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79 * The text field, or <code>null</code> if none.

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80 */

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81 Text textField;

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82

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83 /**

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84 * Width of text field in characters; initially unlimited.

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85 */

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86 private int widthInChars;

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87

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88 /**

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89 * Text limit of text field in characters; initially unlimited.

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90 */

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91 private int textLimit;

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92

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93 /**

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94 * The error message, or <code>null</code> if none.

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95 */

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96 private String errorMessage;

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97

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98 /**

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99 * Indicates whether the empty string is legal;

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100 * <code>true</code> by default.

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101 */

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102 private bool emptyStringAllowed = true;

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103

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104 /**

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105 * The validation strategy;

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106 * <code>VALIDATE_ON_KEY_STROKE</code> by default.

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107 */

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108 private int validateStrategy;

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109

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110 /**

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111 * Creates a new string field editor

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112 */

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113 protected this() {

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114 widthInChars = UNLIMITED;

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115 textLimit = UNLIMITED;

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116 validateStrategy = VALIDATE_ON_KEY_STROKE;

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117 }

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118

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119 /**

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120 * Creates a string field editor.

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121 * Use the method <code>setTextLimit</code> to limit the text.

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122 *

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

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

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125 * @param width the width of the text input field in characters,

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126 * or <code>UNLIMITED</code> for no limit

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127 * @param strategy either <code>VALIDATE_ON_KEY_STROKE</code> to perform

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128 * on the fly checking (the default), or <code>VALIDATE_ON_FOCUS_LOST</code> to

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129 * perform validation only after the text has been typed in

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

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131 * @since 2.0

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132 */

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133 public this(String name, String labelText, int width,

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134 int strategy, Composite parent) {

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135 this();

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136 init(name, labelText);

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137 widthInChars = width;

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138 setValidateStrategy(strategy);

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139 isValid_ = false;

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140 errorMessage = JFaceResources

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141 .getString("StringFieldEditor.errorMessage");//$NON-NLS-1$

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142 createControl(parent);

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143 }

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144

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145 /**

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146 * Creates a string field editor.

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147 * Use the method <code>setTextLimit</code> to limit the text.

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148 *

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

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

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151 * @param width the width of the text input field in characters,

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152 * or <code>UNLIMITED</code> for no limit

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

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154 */

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155 public this(String name, String labelText, int width,

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156 Composite parent) {

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157 this(name, labelText, width, VALIDATE_ON_KEY_STROKE, parent);

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158 }

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159

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160 /**

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161 * Creates a string field editor of unlimited width.

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162 * Use the method <code>setTextLimit</code> to limit the text.

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163 *

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

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

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

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167 */

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168 public this(String name, String labelText, Composite parent) {

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169 this(name, labelText, UNLIMITED, parent);

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170 }

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171

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172 /* (non-Javadoc)

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173 * Method declared on FieldEditor.

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174 */

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175 protected override void adjustForNumColumns(int numColumns) {

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176 GridData gd = cast(GridData) textField.getLayoutData();

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177 gd.horizontalSpan = numColumns - 1;

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178 // We only grab excess space if we have to

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179 // If another field editor has more columns then

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180 // we assume it is setting the width.

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181 gd.grabExcessHorizontalSpace = gd.horizontalSpan is 1;

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182 }

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183

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184 /**

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185 * Checks whether the text input field contains a valid value or not.

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186 *

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

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

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189 */

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190 protected bool checkState() {

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191 bool result = false;

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192 if (emptyStringAllowed) {

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193 result = true;

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194 }

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195

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196 if (textField is null) {

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197 result = false;

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198 }

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199

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200 String txt = textField.getText();

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201

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202 result = (txt.trim().length > 0) || emptyStringAllowed;

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203

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204 // call hook for subclasses

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205 result = result && doCheckState();

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206

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207 if (result) {

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208 clearErrorMessage();

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209 } else {

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210 showErrorMessage(errorMessage);

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211 }

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212

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213 return result;

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214 }

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215

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216 /**

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217 * Hook for subclasses to do specific state checks.

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218 *

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219 * The default implementation of this framework method does

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220 * nothing and returns <code>true</code>. Subclasses should

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221 * override this method to specific state checks.

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222 *

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223 *

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

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

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226 */

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227 protected bool doCheckState() {

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228 return true;

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229 }

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230

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231 /**

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

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233 *

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234 * The string field implementation of this <code>FieldEditor</code>

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235 * framework method contributes the text field. Subclasses may override

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236 * but must call <code>super.doFillIntoGrid</code>.

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237 *

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238 */

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239 protected override void doFillIntoGrid(Composite parent, int numColumns) {

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240 getLabelControl(parent);

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241

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242 textField = getTextControl(parent);

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243 GridData gd = new GridData();

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244 gd.horizontalSpan = numColumns - 1;

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245 if (widthInChars !is UNLIMITED) {

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246 GC gc = new GC(textField);

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247 try {

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248 Point extent = gc.textExtent("X");//$NON-NLS-1$

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249 gd.widthHint = widthInChars * extent.x;

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250 } finally {

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251 gc.dispose();

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252 }

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253 } else {

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254 gd.horizontalAlignment = GridData.FILL;

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255 gd.grabExcessHorizontalSpace = true;

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256 }

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257 textField.setLayoutData(gd);

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258 }

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259

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260 /* (non-Javadoc)

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261 * Method declared on FieldEditor.

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262 */

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263 protected override void doLoad() {

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264 if (textField !is null) {

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265 String value = getPreferenceStore().getString(getPreferenceName());

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266 textField.setText(value);

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267 oldValue = value;

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268 }

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269 }

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270

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271 /* (non-Javadoc)

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272 * Method declared on FieldEditor.

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273 */

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274 protected override void doLoadDefault() {

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275 if (textField !is null) {

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276 String value = getPreferenceStore().getDefaultString(

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277 getPreferenceName());

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278 textField.setText(value);

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279 }

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280 valueChanged();

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281 }

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282

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283 /* (non-Javadoc)

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284 * Method declared on FieldEditor.

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285 */

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286 protected override void doStore() {

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287 getPreferenceStore().setValue(getPreferenceName(), textField.getText());

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288 }

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289

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290 /**

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291 * Returns the error message that will be displayed when and if

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292 * an error occurs.

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293 *

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294 * @return the error message, or <code>null</code> if none

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295 */

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296 public String getErrorMessage() {

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297 return errorMessage;

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298 }

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299

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300 /* (non-Javadoc)

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301 * Method declared on FieldEditor.

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302 */

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303 public override int getNumberOfControls() {

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304 return 2;

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305 }

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306

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307 /**

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308 * Returns the field editor's value.

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309 *

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310 * @return the current value

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311 */

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312 public String getStringValue() {

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313 if (textField !is null) {

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314 return textField.getText();

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315 }

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316

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317 return getPreferenceStore().getString(getPreferenceName());

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318 }

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319

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320 /**

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321 * Returns this field editor's text control.

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322 *

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323 * @return the text control, or <code>null</code> if no

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324 * text field is created yet

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325 */

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326 protected Text getTextControl() {

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327 return textField;

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328 }

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329

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330 /**

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331 * Returns this field editor's text control.

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332 *

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333 * The control is created if it does not yet exist

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334 *

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335 *

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336 * @param parent the parent

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337 * @return the text control

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338 */

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339 public Text getTextControl(Composite parent) {

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340 if (textField is null) {

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341 textField = new Text(parent, SWT.SINGLE | SWT.BORDER);

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342 textField.setFont(parent.getFont());

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343 switch (validateStrategy) {

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344 case VALIDATE_ON_KEY_STROKE:

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345 textField.addKeyListener(new class KeyAdapter {

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346

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347 /* (non-Javadoc)

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348 * @see org.eclipse.swt.events.KeyAdapter#keyReleased(org.eclipse.swt.events.KeyEvent)

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349 */

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350 public void keyReleased(KeyEvent e) {

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351 valueChanged();

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352 }

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353 });

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354

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355 break;

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356 case VALIDATE_ON_FOCUS_LOST:

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357 textField.addKeyListener(new class KeyAdapter {

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358 public void keyPressed(KeyEvent e) {

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359 clearErrorMessage();

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360 }

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361 });

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362 textField.addFocusListener(new class FocusAdapter {

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363 public void focusGained(FocusEvent e) {

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364 refreshValidState();

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365 }

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366

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367 public void focusLost(FocusEvent e) {

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368 valueChanged();

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369 clearErrorMessage();

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370 }

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371 });

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372 break;

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373 default:

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374 Assert.isTrue(false, "Unknown validate strategy");//$NON-NLS-1$

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375 }

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376 textField.addDisposeListener(new class DisposeListener {

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377 public void widgetDisposed(DisposeEvent event) {

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378 textField = null;

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379 }

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380 });

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381 if (textLimit > 0) {//Only set limits above 0 - see SWT spec

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382 textField.setTextLimit(textLimit);

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383 }

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384 } else {

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385 checkParent(textField, parent);

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386 }

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387 return textField;

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388 }

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389

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390 /**

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391 * Returns whether an empty string is a valid value.

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392 *

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393 * @return <code>true</code> if an empty string is a valid value, and

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394 * <code>false</code> if an empty string is invalid

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395 * @see #setEmptyStringAllowed

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396 */

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397 public bool isEmptyStringAllowed() {

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398 return emptyStringAllowed;

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399 }

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400

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diff changeset

401 /* (non-Javadoc)

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402 * Method declared on FieldEditor.

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403 */

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404 public override bool isValid() {

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405 return isValid_;

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406 }

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407

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diff changeset

408 /* (non-Javadoc)

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409 * Method declared on FieldEditor.

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410 */

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411 protected override void refreshValidState() {

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412 isValid_ = checkState();

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413 }

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414

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diff changeset

415 /**

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416 * Sets whether the empty string is a valid value or not.

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417 *

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418 * @param b <code>true</code> if the empty string is allowed,

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419 * and <code>false</code> if it is considered invalid

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420 */

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421 public void setEmptyStringAllowed(bool b) {

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422 emptyStringAllowed = b;

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423 }

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424

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425 /**

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426 * Sets the error message that will be displayed when and if

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427 * an error occurs.

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diff changeset

428 *

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429 * @param message the error message

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430 */

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431 public void setErrorMessage(String message) {

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432 errorMessage = message;

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433 }

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434

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diff changeset

435 /* (non-Javadoc)

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436 * Method declared on FieldEditor.

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437 */

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438 public override void setFocus() {

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439 if (textField !is null) {

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440 textField.setFocus();

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441 }

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442 }

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443

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444 /**

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445 * Sets this field editor's value.

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446 *

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447 * @param value the new value, or <code>null</code> meaning the empty string

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448 */

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449 public void setStringValue(String value) {

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450 if (textField !is null) {

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451 if (value is null) {

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452 value = "";//$NON-NLS-1$

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453 }

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454 oldValue = textField.getText();

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455 if (!oldValue.equals(value)) {

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456 textField.setText(value);

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457 valueChanged();

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458 }

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459 }

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parents:

diff changeset

460 }

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parents:

diff changeset

461

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

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462 /**

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463 * Sets this text field's text limit.

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464 *

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465 * @param limit the limit on the number of character in the text

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466 * input field, or <code>UNLIMITED</code> for no limit

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467

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468 */

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469 public void setTextLimit(int limit) {

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470 textLimit = limit;

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471 if (textField !is null) {

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472 textField.setTextLimit(limit);

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473 }

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474 }

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475

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476 /**

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477 * Sets the strategy for validating the text.

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478 *

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479 * Calling this method has no effect after <code>createPartControl</code>

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480 * is called. Thus this method is really only useful for subclasses to call

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481 * in their constructor. However, it has public visibility for backward

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482 * compatibility.

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483 *

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484 *

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485 * @param value either <code>VALIDATE_ON_KEY_STROKE</code> to perform

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486 * on the fly checking (the default), or <code>VALIDATE_ON_FOCUS_LOST</code> to

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487 * perform validation only after the text has been typed in

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488 */

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489 public void setValidateStrategy(int value) {

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490 Assert.isTrue(value is VALIDATE_ON_FOCUS_LOST

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491 || value is VALIDATE_ON_KEY_STROKE);

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492 validateStrategy = value;

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493 }

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494

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495 /**

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496 * Shows the error message set via <code>setErrorMessage</code>.

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497 */

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498 public void showErrorMessage() {

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499 showErrorMessage(errorMessage);

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500 }

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501

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502 /**

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

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504 * to the value (<code>VALUE</code> property) provided that the old and

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505 * new values are different.

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506 *

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507 * This hook is not called when the text is initialized

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508 * (or reset to the default value) from the preference store.

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509 *

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510 */

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511 protected void valueChanged() {

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512 setPresentsDefaultValue(false);

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513 bool oldState = isValid_;

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514 refreshValidState();

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515

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516 if (isValid_ !is oldState) {

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517 fireStateChanged(IS_VALID, oldState, isValid_);

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518 }

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519

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520 String newValue = textField.getText();

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521 if (!newValue.equals(oldValue)) {

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522 fireValueChanged(VALUE, stringcast(oldValue), stringcast(newValue));

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523 oldValue = newValue;

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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 * @see FieldEditor.setEnabled(bool,Composite).

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529 */

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530 public override void setEnabled(bool enabled, Composite parent) {

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531 super.setEnabled(enabled, parent);

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532 getTextControl(parent).setEnabled(enabled);

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533 }

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534 }

Mercurial > projects > dwt2

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