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/*******************************************************************************
* Copyright (c) 2009 STMicroelectronics.
* 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:
* Marzia Maugeri <marzia.maugeri@st.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.dataviewers.actions;
import java.util.Iterator;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractSTTreeViewer;
import org.eclipse.linuxtools.dataviewers.abstractviewers.STDataViewersImages;
import org.eclipse.linuxtools.dataviewers.abstractviewers.STDataViewersMessages;
/**
* This action collapse the selected items of the tree
*
*/
public class STCollapseSelectionAction extends Action {
private final AbstractSTTreeViewer stViewer;
/**
* Constructor
*
* @param stViewer
* the stViewer to collapse
*/
public STCollapseSelectionAction(AbstractSTTreeViewer stViewer) {
super(STDataViewersMessages.collapseSelectionAction_title, STDataViewersImages
.getImageDescriptor(STDataViewersImages.IMG_COLLAPSEALL));
this.stViewer = stViewer;
}
@Override
public void run() {
TreeSelection selection = (TreeSelection) stViewer.getViewer().getSelection();
if (selection != null && selection != TreeSelection.EMPTY) {
for (Iterator<?> itSel = selection.iterator(); itSel.hasNext();) {
stViewer.getViewer().collapseToLevel(itSel.next(), AbstractTreeViewer.ALL_LEVELS);
}
}
}
}
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