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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.sourcelookup;
import org.eclipse.debug.core.sourcelookup.ISourceContainer;
import org.eclipse.debug.core.sourcelookup.containers.DefaultSourceContainer;
import org.eclipse.jface.viewers.IStructuredSelection;
/**
* The action for adding the default container to the list.
*
* @since 3.0
*/
public class RestoreDefaultAction extends SourceContainerAction {
public RestoreDefaultAction() {
super(SourceLookupUIMessages.getString("sourceTab.defaultButton")); //$NON-NLS-1$
}
/**
* @see IAction#run()
*/
public void run() {
ISourceContainer[] containers = new ISourceContainer[1];
containers[0] = new DefaultSourceContainer();
getViewer().setEntries(containers);
setEnabled(false);
}
/**
* @see SelectionListenerAction#updateSelection(IStructuredSelection)
*/
protected boolean updateSelection(IStructuredSelection selection) {
//disable if selection is empty, default already present, or non-root node selected
ISourceContainer[] containers = getViewer().getEntries();
if(containers != null && containers.length == 1) {
if(containers[0] instanceof DefaultSourceContainer) {
return false;
}
}
return true;
}
}
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