/*******************************************************************************
* <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 org.eclipse.emf.ecore.EClass;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.ICopyContext;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.ui.features.AbstractCopyFeature;
public class TutorialCopyEClassFeature extends AbstractCopyFeature {
public TutorialCopyEClassFeature(IFeatureProvider fp) {
super(fp);
}
public boolean canCopy(ICopyContext context) {
final PictogramElement[] pes = context.getPictogramElements();
if (pes == null || pes.length == 0) { // nothing selected
return false;
}
// return true, if all selected elements are a EClasses
for (PictogramElement pe : pes) {
final Object bo = getBusinessObjectForPictogramElement(pe);
if (!(bo instanceof EClass)) {
return false;
}
}
return true;
}
public void copy(ICopyContext context) {
// get the business-objects for all pictogram-elements
// we already verified, that all business-objets are EClasses
PictogramElement[] pes = context.getPictogramElements();
Object[] bos = new Object[pes.length];
for (int i = 0; i < pes.length; i++) {
PictogramElement pe = pes[i];
bos[i] = getBusinessObjectForPictogramElement(pe);
}
// put all business objects to the clipboard
putToClipboard(bos);
}
}