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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 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.jdt.internal.ui.actions; | |
12 | ||
13 | import java.util.LinkedList; | |
14 | import java.util.List; | |
15 | import java.util.ResourceBundle; | |
16 | ||
17 | import org.eclipse.jface.text.BadLocationException; | |
18 | import org.eclipse.jface.text.BadPartitioningException; | |
19 | import org.eclipse.jface.text.IDocumentExtension3; | |
20 | import org.eclipse.jface.text.ITextSelection; | |
21 | import org.eclipse.jface.text.ITypedRegion; | |
22 | ||
23 | import org.eclipse.ui.texteditor.ITextEditor; | |
24 | ||
25 | import org.eclipse.jdt.ui.text.IJavaPartitions; | |
26 | ||
27 | ||
28 | /** | |
29 | * Action that removes the enclosing comment marks from a Java block comment. | |
30 | * | |
31 | * @since 3.0 | |
32 | */ | |
33 | public class RemoveBlockCommentAction extends BlockCommentAction { | |
34 | ||
35 | /** | |
36 | * Creates a new instance. | |
37 | * | |
38 | * @param bundle the resource bundle | |
39 | * @param prefix a prefix to be prepended to the various resource keys | |
40 | * (described in <code>ResourceAction</code> constructor), or | |
41 | * <code>null</code> if none | |
42 | * @param editor the text editor | |
43 | */ | |
44 | public RemoveBlockCommentAction(ResourceBundle bundle, String prefix, ITextEditor editor) { | |
45 | super(bundle, prefix, editor); | |
46 | } | |
47 | ||
48 | /* | |
49 | * @see org.eclipse.jdt.internal.ui.actions.AddBlockCommentAction#runInternal(org.eclipse.jface.text.ITextSelection, org.eclipse.jface.text.IDocumentExtension3, org.eclipse.jdt.internal.ui.actions.AddBlockCommentAction.Edit.EditFactory) | |
50 | */ | |
51 | @Override | |
52 | protected void runInternal(ITextSelection selection, IDocumentExtension3 docExtension, Edit.EditFactory factory) throws BadPartitioningException, BadLocationException { | |
53 | List<Edit> edits= new LinkedList<Edit>(); | |
54 | int tokenLength= getCommentStart().length(); | |
55 | ||
56 | int offset= selection.getOffset(); | |
57 | int endOffset= offset + selection.getLength(); | |
58 | ||
59 | ITypedRegion partition= docExtension.getPartition(IJavaPartitions.JAVA_PARTITIONING, offset, false); | |
60 | int partOffset= partition.getOffset(); | |
61 | int partEndOffset= partOffset + partition.getLength(); | |
62 | ||
63 | while (partEndOffset < endOffset) { | |
64 | ||
65 | if (partition.getType() == IJavaPartitions.JAVA_MULTI_LINE_COMMENT) { | |
66 | edits.add(factory.createEdit(partOffset, tokenLength, "")); //$NON-NLS-1$ | |
67 | edits.add(factory.createEdit(partEndOffset - tokenLength, tokenLength, "")); //$NON-NLS-1$ | |
68 | } | |
69 | ||
70 | partition= docExtension.getPartition(IJavaPartitions.JAVA_PARTITIONING, partEndOffset, false); | |
71 | partOffset= partition.getOffset(); | |
72 | partEndOffset= partOffset + partition.getLength(); | |
73 | } | |
74 | ||
75 | if (partition.getType() == IJavaPartitions.JAVA_MULTI_LINE_COMMENT) { | |
76 | edits.add(factory.createEdit(partOffset, tokenLength, "")); //$NON-NLS-1$ | |
77 | edits.add(factory.createEdit(partEndOffset - tokenLength, tokenLength, "")); //$NON-NLS-1$ | |
78 | } | |
79 | ||
80 | executeEdits(edits); | |
81 | } | |
82 | ||
83 | /* | |
84 | * @see org.eclipse.jdt.internal.ui.actions.AddBlockCommentAction#validSelection(org.eclipse.jface.text.ITextSelection) | |
85 | */ | |
86 | @Override | |
87 | protected boolean isValidSelection(ITextSelection selection) { | |
88 | return selection != null && !selection.isEmpty(); | |
89 | } | |
90 | ||
91 | } |