/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.actions.range;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jst.pagedesigner.commands.range.UnapplyStyleCommand;
import org.eclipse.jst.pagedesigner.dom.DOMRange;
import org.eclipse.jst.pagedesigner.dom.EditModelQuery;
import org.eclipse.jst.pagedesigner.dom.IDOMPosition;
import org.w3c.dom.Node;
/**
* @author mengbo
*/
public class NoneStyleAction extends ChangeStyleAction {
private String[] _applyingStyleTags;
/**
* @param text
* @param names
* @param image
* @param style
*/
public NoneStyleAction(String text, String[] names, ImageDescriptor image,
int style) {
super(text, "", image, style); //$NON-NLS-1$
_applyingStyleTags = names;
}
protected boolean isApplied(DOMRange range) {
if (range != null) {
boolean ordered = range.isOrdered();
IDOMPosition start = ordered ? range.getStartPosition() : range
.getEndPosition();
IDOMPosition end = ordered ? range.getEndPosition() : range
.getStartPosition();
Node common = null;
common = EditModelQuery.getInstance().getCommonAncestor(start, end);
if (EditModelQuery.hasAncestor(common, _applyingStyleTags, true)) {
return false;
}
return true;
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.commands.range.DesignerToolBarAction#getCommand()
*/
protected Command getCommand() {
UnapplyStyleCommand command = new UnapplyStyleCommand(getViewer(),
getExpectedTag(), null, null);
return command;
}
}