CollapseAction.java

/* ******************************************************************************
 * Copyright (c) 2006-2012 XMind Ltd. and others.
 * 
 * This file is a part of XMind 3. XMind releases 3 and
 * above are dual-licensed under the Eclipse Public License (EPL),
 * which is available at http://www.eclipse.org/legal/epl-v10.html
 * and the GNU Lesser General Public License (LGPL), 
 * which is available at http://www.gnu.org/licenses/lgpl.html
 * See http://www.xmind.net/license.html for details.
 * 
 * Contributors:
 *     XMind Ltd. - initial API and implementation
 *******************************************************************************/
package org.xmind.ui.internal.actions;

import org.eclipse.jface.viewers.ISelection;
import org.xmind.core.Core;
import org.xmind.gef.GEF;
import org.xmind.gef.ui.actions.ISelectionAction;
import org.xmind.gef.ui.actions.RequestAction;
import org.xmind.gef.ui.editor.IGraphicalEditorPage;
import org.xmind.ui.actions.MindMapActionFactory;
import org.xmind.ui.util.MindMapUtils;

public class CollapseAction extends RequestAction implements ISelectionAction {

    public CollapseAction(IGraphicalEditorPage page) {
        super(MindMapActionFactory.COLLAPSE.getId(), page, GEF.REQ_COLLAPSE);
    }

    public void setSelection(ISelection selection) {
        setEnabled(MindMapUtils.isPropertyModifiable(selection,
                Core.TopicFolded, getViewer()));
    }

}