1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*******************************************************************************
* Copyright (c) 2008 Standards for Technology in Automotive Retail and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* David Carver - initial API and implementation, bug 212330
*
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.handlers;
import org.eclipse.core.commands.IHandler;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.wst.xml.core.internal.document.CommentImpl;
import org.eclipse.wst.xml.ui.internal.Logger;
import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
public class AddBlockCommentHandler extends CommentHandler implements IHandler {
public AddBlockCommentHandler() {
super();
}
void processAction(ITextEditor textEditor, IDocument document, ITextSelection textSelection) {
IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(document);
if (model != null) {
try {
IndexedRegion selectionStartIndexedRegion = model.getIndexedRegion(textSelection.getOffset());
IndexedRegion selectionEndIndexedRegion = model.getIndexedRegion(textSelection.getOffset() + textSelection.getLength());
if (selectionStartIndexedRegion == null) {
return;
}
if ((selectionEndIndexedRegion == null) && (textSelection.getLength() > 0)) {
selectionEndIndexedRegion = model.getIndexedRegion(textSelection.getOffset() + textSelection.getLength() - 1);
}
if (selectionEndIndexedRegion == null) {
return;
}
int openCommentOffset = selectionStartIndexedRegion.getStartOffset();
int closeCommentOffset = selectionEndIndexedRegion.getEndOffset() + OPEN_COMMENT.length();
if ((textSelection.getLength() == 0) && (selectionStartIndexedRegion instanceof CommentImpl)) {
return;
}
model.beginRecording(this, XMLUIMessages.AddBlockComment_tooltip);
model.aboutToChangeModel();
try {
document.replace(openCommentOffset, 0, OPEN_COMMENT);
document.replace(closeCommentOffset, 0, CLOSE_COMMENT);
super.removeOpenCloseComments(document, openCommentOffset + OPEN_COMMENT.length(), closeCommentOffset - openCommentOffset - CLOSE_COMMENT.length());
}
catch (BadLocationException e) {
Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
}
finally {
model.changedModel();
model.endRecording(this);
}
}
finally {
model.releaseFromEdit();
}
}
}
}
|
