/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
*
* 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:
* Yann Tanguy (CEA LIST) yann.tanguy@cea.fr - Initial API and implementation
* Saadia DHOUIB (CEA LIST) saadia.dhouib@cea.fr - adapted from class diagram
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.communication.custom.edit.policies;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.LayoutEditPolicy;
import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.DurationObservationLabelEditPartCN;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.DurationObservationStereotypeLabelEditPartCN;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.TimeObservationNameEditPartCN;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.TimeObservationStereotypeLabelEditPartCN;
import org.eclipse.papyrus.uml.diagram.communication.part.UMLVisualIDRegistry;
/**
* This edit policy replaces the GMF generated edit policy for Observations. In
* particular it installs {@link ExternalLabelPrimaryDragRoleEditPolicy} on
* children that are external label. The code generated by GMF can be found in {@link TimeObservationEditPart#createLayoutEditPolicy()}.
*/
public class ObservationLayoutEditPolicy extends LayoutEditPolicy {
@Override
protected EditPolicy createChildEditPolicy(EditPart child) {
View childView = (View)child.getModel();
switch(UMLVisualIDRegistry.getVisualID(childView)) {
case DurationObservationLabelEditPartCN.VISUAL_ID:
case DurationObservationStereotypeLabelEditPartCN.VISUAL_ID:
case TimeObservationNameEditPartCN.VISUAL_ID:
case TimeObservationStereotypeLabelEditPartCN.VISUAL_ID:
return new ExternalLabelPrimaryDragRoleEditPolicy();
}
EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
if(result == null) {
result = new NonResizableEditPolicy();
}
return result;
}
@Override
protected Command getMoveChildrenCommand(Request request) {
return null;
}
@Override
protected Command getCreateCommand(CreateRequest request) {
return null;
}
}