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Java > Open Source Codes > org > eclipse > swt > custom > TextChangingEvent


1 /*******************************************************************************
2  * Copyright (c) 2000, 2004 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.swt.custom;
12
13
14 import org.eclipse.swt.events.*;
15
16 /**
17  * This event is sent by the StyledTextContent implementor when a change
18  * to the text is about to occur.
19  */
20 public class TextChangingEvent extends TypedEvent {
21     /**
22      * Start offset of the text that is going to be replaced
23      */
24     public int start;
25     /**
26      * Text that is going to be inserted or empty string
27      * if no text will be inserted
28      */
29     public String JavaDoc newText;
30     /**
31      * Length of text that is going to be replaced
32      */
33     public int replaceCharCount;
34     /**
35      * Length of text that is going to be inserted
36      */
37     public int newCharCount;
38     /**
39      * Number of lines that are going to be replaced
40      */
41     public int replaceLineCount;
42     /**
43      * Number of new lines that are going to be inserted
44      */
45     public int newLineCount;
46
47     static final long serialVersionUID = 3257290210114352439L;
48     
49 /**
50  * Create the TextChangedEvent to be used by the StyledTextContent implementor.
51  * <p>
52  *
53  * @param source the object that will be sending the new TextChangingEvent,
54  * cannot be null
55  */
56 public TextChangingEvent(StyledTextContent source) {
57     super(source);
58 }
59 TextChangingEvent(StyledTextContent source, StyledTextEvent e) {
60     super(source);
61     start = e.start;
62     replaceCharCount = e.replaceCharCount;
63     newCharCount = e.newCharCount;
64     replaceLineCount = e.replaceLineCount;
65     newLineCount = e.newLineCount;
66     newText = e.text;
67 }
68
69 }
70
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