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/*
* Copyright (c) 2011, 2012 Eike Stepper (Berlin, Germany) 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:
* Martin Fluegge - initial API and implementation
*
*/
package org.eclipse.emf.cdo.dawn.examples.acore.graphiti.features;
import org.eclipse.emf.cdo.dawn.examples.acore.AClass;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IPasteContext;
import org.eclipse.graphiti.features.context.impl.AddContext;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.ui.features.AbstractPasteFeature;
/**
* @author Martin Fluegge
*/
public class AcorePasteAClassFeature extends AbstractPasteFeature
{
public AcorePasteAClassFeature(IFeatureProvider fp)
{
super(fp);
}
public boolean canPaste(IPasteContext context)
{
// only support pasting directly in the diagram (nothing else selected)
PictogramElement[] pes = context.getPictogramElements();
if (pes.length != 1 || !(pes[0] instanceof Diagram))
{
return false;
}
// can paste, if all objects on the clipboard are AClasses
Object[] fromClipboard = getFromClipboard();
if (fromClipboard == null || fromClipboard.length == 0)
{
return false;
}
for (Object object : fromClipboard)
{
if (!(object instanceof AClass))
{
return false;
}
}
return true;
}
public void paste(IPasteContext context)
{
// we already verified, that we paste directly in the diagram
PictogramElement[] pes = context.getPictogramElements();
Diagram diagram = (Diagram)pes[0];
// get the AClasses from the clipboard without copying them
// (only copy the pictogram element, not the business object)
// then create new pictogram elements using the add feature
Object[] objects = getFromClipboard();
for (Object object : objects)
{
AddContext ac = new AddContext();
ac.setLocation(0, 0); // for simplicity paste at (0, 0)
ac.setTargetContainer(diagram);
addGraphicalRepresentation(ac, object);
}
}
}
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