Insertion.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.branch;

import org.eclipse.draw2d.geometry.Dimension;
import org.xmind.ui.mindmap.IBranchPart;
import org.xmind.ui.util.MindMapUtils;

public class Insertion extends AbstractInsertion {

    public Insertion(IBranchPart parent, int index, Dimension size) {
        super(parent, index, size);
    }

    public void pushIn() {
        Object oldInsertion = MindMapUtils.getCache(getParent(),
                CACHE_INSERTION);
        if (this.equals(oldInsertion))
            return;
        MindMapUtils.setCache(getParent(), CACHE_INSERTION, this);
        getParent().getFigure().revalidate();
        getParent().getFigure().repaint();
    }

    public void pullOut() {
        Object oldInsertion = MindMapUtils.getCache(getParent(),
                CACHE_INSERTION);
        if (oldInsertion == this) {
            MindMapUtils.flushCache(getParent(), CACHE_INSERTION);
            getParent().getFigure().revalidate();
            getParent().getFigure().repaint();
        }
    }

}