/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2010, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.catalog.internal.wmt.ui.properties;
import org.locationtech.udig.catalog.IGeoResource;
import org.locationtech.udig.catalog.internal.wmt.wmtsource.WMTSource;
import org.locationtech.udig.project.ILayer;
import org.locationtech.udig.project.internal.Layer;
import org.eclipse.core.expressions.PropertyTester;
/**
* This class ensures that the property page is only
* shown for layers that have a WMTGeoResource.
*
* Take a look at the extension points (plugin.xml) to see,
* how it is called.
*
* @author to.srwn
* @since 1.1.0
*/
public class WMTShowPropertiesTester extends PropertyTester {
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if (receiver == null || !(receiver instanceof ILayer))
return false;
ILayer layer = (Layer) receiver;
IGeoResource resource = layer.findGeoResource(WMTSource.class);
return (resource != null);
}
}