/*****************************************************************************
* Copyright (c) 2006, 2007 g-Eclipse Consortium
* 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
*
* Initial development of the original code was made for the
* g-Eclipse project founded by European Union
* project number: FP6-IST-034327 http://www.geclipse.eu/
*
* Contributors:
* Mathias Stuempert - initial API and implementation
*****************************************************************************/
package eu.geclipse.ui.internal.actions;
import java.net.URL;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Display;
import eu.geclipse.ui.internal.Activator;
/**
* Action for {@link TreeViewer}s that causes a collapse all.
*/
public class CollapseAllAction extends Action {
/**
* The viewer that is the target of this action.
*/
TreeViewer viewer;
/**
* Construct a new collapse all action for the specified tree viewer.
*
* @param viewer The tree viewer that is the target of this action.
*/
public CollapseAllAction( final TreeViewer viewer ) {
super( Messages.getString("CollapseAllAction.collapse_all_action_text") ); //$NON-NLS-1$
this.viewer = viewer;
URL imgUrl = Activator.getDefault().getBundle().getEntry( "icons/elcl16/collapseall.gif" ); //$NON-NLS-1$
setImageDescriptor( ImageDescriptor.createFromURL( imgUrl ) );
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
Display display = this.viewer.getControl().getDisplay();
display.asyncExec( new Runnable() {
public void run() {
CollapseAllAction.this.viewer.collapseAll();
}
} );
}
}