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/*****************************************************************************
* Copyright (c) 2011 Atos.
*
*
* 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:
* Atos - Initial API and implementation
* Arthur Daussy Bug 366159 - [ActivityDiagram] Activity Diagram should be able to handle correctly Interruptible Edge
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.edit.commands;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest.ConnectionViewDescriptor;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.activity.edit.part.interfaces.InterruptibleEdge;
import org.eclipse.papyrus.uml.diagram.activity.request.InterruptibleEdgeRequest;
import org.eclipse.uml2.uml.ActivityEdge;
/**
* Command to set an Activity Edge as an Interruptible Edge.
* This common is deferred this mean that the command will be created and executed in the doExecuteCommand.
* This can prevent undo however this way drag and drop works
* In order to make this command to work the target EditPart has to implement {@link InterruptibleEdge}
*
* @author adaussy
*
*/
public class DeferredInterruptibleEdgeCommand extends AbstractTransactionalCommand {
/**
* {@link IGraphicalEditPart} of the {@link ActivityEdge} which implements {@link InterruptibleEdge}
*/
private EditPart hostEditPart;
/**
* {@link ConnectionViewDescriptor} from creation mechanism
*/
private ConnectionViewDescriptor descriptor;
/**
* Constructor {@link DeferredInterruptibleEdgeCommand#descriptor} and {@link DeferredInterruptibleEdgeCommand#hostEditPart}
*/
public DeferredInterruptibleEdgeCommand(TransactionalEditingDomain domain, String label, List affectedFiles, EditPart hostEditPart, ConnectionViewDescriptor descriptor) {
super(domain, label, affectedFiles);
this.hostEditPart = hostEditPart;
this.descriptor = descriptor;
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
Object connectionEditPart = hostEditPart.getViewer().getEditPartRegistry().get(descriptor.getAdapter(View.class));
if (connectionEditPart instanceof IGraphicalEditPart && connectionEditPart instanceof InterruptibleEdge) {
InterruptibleEdgeRequest request = new InterruptibleEdgeRequest();
request.setType(InterruptibleEdgeRequest.SET_INTERRUPTIBLE_EDGE);
Command cmd = ((IGraphicalEditPart) connectionEditPart).getCommand(request);
if (cmd != null && cmd.canExecute()) {
cmd.execute();
} else {
return CommandResult.newErrorCommandResult("Unable to the the target Editpart as Interruptible Edge");//
}
}
return CommandResult.newOKCommandResult();
}
}
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