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/*******************************************************************************
* Copyright (c) 2013 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.ide.ui.internal.structuremergeviewer.handler.propertytester;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareEditorInput;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.emf.compare.rcp.ui.internal.EMFCompareConstants;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
/**
* A property tester that check the way of merge.
*
* @author <a href="mailto:axel.richard@obeo.fr">Axel Richard</a>
* @since 3.0
*/
public class LeftToRightSidePropertyTester extends PropertyTester {
/**
* {@inheritDoc}
*
* @see org.eclipse.core.expressions.PropertyTester#test(java.lang.Object, java.lang.String,
* java.lang.Object[], java.lang.Object)
*/
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if (receiver instanceof IEditorPart) {
IEditorInput i = ((IEditorPart)receiver).getEditorInput();
if (i instanceof CompareEditorInput) {
CompareConfiguration configuration = ((CompareEditorInput)i).getCompareConfiguration();
Boolean leftToRight = (Boolean)configuration.getProperty(EMFCompareConstants.MERGE_WAY);
if (leftToRight == null || leftToRight.booleanValue()) {
return true;
}
}
}
return false;
}
}
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