/* ******************************************************************************
* 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.branch;
import org.xmind.gef.graphicalpolicy.IStructure;
import org.xmind.ui.branch.IBranchPolicy;
import org.xmind.ui.branch.IBranchPropertyTester;
import org.xmind.ui.mindmap.IBranchPart;
public class MapBranchPropertyTester implements IBranchPropertyTester {
private static final String P_LEFT = "left"; //$NON-NLS-1$
public boolean test(IBranchPart branch, String property, Object[] args,
Object expectedValue) {
if (P_LEFT.equals(property)) {
if (expectedValue == null)
return isLeft(branch);
if (expectedValue instanceof Boolean)
return isLeft(branch) == ((Boolean) expectedValue)
.booleanValue();
}
return false;
}
private boolean isLeft(IBranchPart branch) {
IBranchPart parentBranch = branch.getParentBranch();
if (parentBranch != null) {
IBranchPolicy branchPolicy = parentBranch.getBranchPolicy();
IStructure structure = branchPolicy.getStructure(parentBranch);
if (structure instanceof BaseRadialStructure) {
BaseRadialStructure rs = (BaseRadialStructure) structure;
return rs.isChildLeft(parentBranch, branch);
}
}
return false;
}
}
