/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 SAP AG.
* 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:
* SAP AG - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.graphiti.examples.tutorial.features;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.graphiti.examples.tutorial.TutorialUtil;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.ICustomContext;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.ui.features.AbstractDrillDownFeature;
public class TutorialDrillDownEClassFeature extends AbstractDrillDownFeature {
public TutorialDrillDownEClassFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public String getName() {
return "Open associated diagram"; //$NON-NLS-1$
}
@Override
public String getDescription() {
return "Open the diagram associated with this EClass"; //$NON-NLS-1$
}
@Override
public boolean canExecute(ICustomContext context) {
PictogramElement[] pes = context.getPictogramElements();
// first check, if one EClass is selected
if (pes != null && pes.length == 1) {
Object bo = getBusinessObjectForPictogramElement(pes[0]);
if (bo instanceof EClass) {
// then forward to super-implementation, which checks if
// this EClass is associated with other diagrams
return super.canExecute(context);
}
}
return false;
}
@Override
protected Collection<Diagram> getDiagrams() {
Collection<Diagram> result = Collections.emptyList();
Resource resource = getDiagram().eResource();
URI uri = resource.getURI();
URI uriTrimmed = uri.trimFragment();
if (uriTrimmed.isPlatformResource()){
String platformString = uriTrimmed.toPlatformString(true);
IResource fileResource = ResourcesPlugin.getWorkspace().getRoot().findMember(platformString);
if (fileResource != null){
IProject project = fileResource.getProject();
result = TutorialUtil.getDiagrams(project);
}
}
return result;
}
}