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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.ui.actions;
import java.util.LinkedList;
import java.util.List;
import java.util.ResourceBundle;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.BadPartitioningException;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.jdt.ui.text.IJavaPartitions;
/**
* Action that removes the enclosing comment marks from a Java block comment.
*
* @since 3.0
*/
public class RemoveBlockCommentAction extends BlockCommentAction {
/**
* Creates a new instance.
*
* @param bundle the resource bundle
* @param prefix a prefix to be prepended to the various resource keys
* (described in <code>ResourceAction</code> constructor), or
* <code>null</code> if none
* @param editor the text editor
*/
public RemoveBlockCommentAction(ResourceBundle bundle, String prefix, ITextEditor editor) {
super(bundle, prefix, editor);
}
/*
* @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)
*/
protected void runInternal(ITextSelection selection, IDocumentExtension3 docExtension, Edit.EditFactory factory) throws BadPartitioningException, BadLocationException {
List edits= new LinkedList();
int tokenLength= getCommentStart().length();
int offset= selection.getOffset();
int endOffset= offset + selection.getLength();
ITypedRegion partition= docExtension.getPartition(IJavaPartitions.JAVA_PARTITIONING, offset, false);
int partOffset= partition.getOffset();
int partEndOffset= partOffset + partition.getLength();
while (partEndOffset < endOffset) {
if (partition.getType() == IJavaPartitions.JAVA_MULTI_LINE_COMMENT) {
edits.add(factory.createEdit(partOffset, tokenLength, "")); //$NON-NLS-1$
edits.add(factory.createEdit(partEndOffset - tokenLength, tokenLength, "")); //$NON-NLS-1$
}
partition= docExtension.getPartition(IJavaPartitions.JAVA_PARTITIONING, partEndOffset, false);
partOffset= partition.getOffset();
partEndOffset= partOffset + partition.getLength();
}
if (partition.getType() == IJavaPartitions.JAVA_MULTI_LINE_COMMENT) {
edits.add(factory.createEdit(partOffset, tokenLength, "")); //$NON-NLS-1$
edits.add(factory.createEdit(partEndOffset - tokenLength, tokenLength, "")); //$NON-NLS-1$
}
executeEdits(edits);
}
/*
* @see org.eclipse.jdt.internal.ui.actions.AddBlockCommentAction#validSelection(org.eclipse.jface.text.ITextSelection)
*/
protected boolean isValidSelection(ITextSelection selection) {
return selection != null && !selection.isEmpty();
}
}