/*******************************************************************************
* Copyright (c) 2007, 2015 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.views.markers;
import org.eclipse.core.expressions.PropertyTester;
/**
* ContentGeneratorPropertyTester is the property tester for what content
* generator is being shown.
*
* @since 3.4
*
*/
public class MarkersViewPropertyTester extends PropertyTester {
private static final String ATTRIBUTE_CONTENT_GENERATOR = "contentGenerator"; //$NON-NLS-1$
private static final String ATTRIBUTE_HAS_FILTERS = "hasFilters"; //$NON-NLS-1$
private static final String ATTRIBUTE_HAS_GROUPS = "hasGroups"; //$NON-NLS-1$
private static final String ANY_CONTENT_GENERATOR = "any"; //$NON-NLS-1$
/**
* Create a new instance of the receiver.
*/
public MarkersViewPropertyTester() {
}
@Override
public boolean test(Object receiver, String property, Object[] args,
Object expectedValue) {
if (!(receiver instanceof ExtendedMarkersView))
return false;
ExtendedMarkersView view = (ExtendedMarkersView) receiver;
if (property.equals(ATTRIBUTE_CONTENT_GENERATOR))
return testContentGenerator(view, args);
if (property.equals(ATTRIBUTE_HAS_FILTERS))
return view.getAllFilters().size() > 0;
if (property.equals(ATTRIBUTE_HAS_GROUPS))
return view.getBuilder().getGenerator().getMarkerGroups().size() > 0;
return false;
}
/**
* Test if the content generator in the args match the receiver.
*
* @param view
* @param args
* @return boolean
*/
private boolean testContentGenerator(ExtendedMarkersView view, Object[] args) {
String currentGenerator = view.getBuilder().getGenerator().getId();
for (Object arg : args) {
if (arg.equals(currentGenerator))
return true;
// The value 'any' works for any content generator
if (arg.equals(ANY_CONTENT_GENERATOR))
return true;
}
return false;
}
}