/*******************************************************************************
* Copyright (c) 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.wst.dtd.ui.internal.views.contentoutline.actions;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.wst.dtd.core.internal.CMNode;
import org.eclipse.wst.dtd.core.internal.DTDNode;
import org.eclipse.wst.dtd.core.internal.Element;
import org.eclipse.wst.dtd.core.internal.document.DTDModelImpl;
public class ReplaceEmptyContentModelWithGroupAction extends BaseAction {
public ReplaceEmptyContentModelWithGroupAction(DTDModelImpl model, String label) {
super(model, label);
}
public void run() {
DTDNode node = getFirstNodeSelected();
if (node instanceof Element) {
CMNode contentModel = ((Element) node).getContentModel();
if (CMNode.EMPTY.equals(contentModel.getType())) {
getModel().beginRecording(this, getText());
((Element) node).replaceContentModel(this, "()"); //$NON-NLS-1$
getModel().endRecording(this);
}
}
}
protected boolean updateSelection(IStructuredSelection selection) {
boolean rc = super.updateSelection(selection);
DTDNode node = getFirstNodeSelected(selection);
setEnabled(node instanceof Element);
return rc;
}
}