/*****************************************************************************
* 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
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.component.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.component.edit.parts.PortAppliedStereotypeEditPart;
import org.eclipse.papyrus.uml.diagram.component.edit.parts.PortEditPart;
import org.eclipse.papyrus.uml.diagram.component.edit.parts.PortNameEditPart;
import org.eclipse.papyrus.uml.diagram.component.part.UMLVisualIDRegistry;
// TODO: Auto-generated Javadoc
/**
* This edit policy replaces the GMF generated edit policy for Port.
* In particular it installs {@link ExternalLabelPrimaryDragRoleEditPolicy} on
* children that are external label.
* The code generated by GMF can be found in {@link PortEditPart#createLayoutEditPolicy()}.
*/
public class PortLayoutEditPolicy extends LayoutEditPolicy {
/**
* Creates the child edit policy.
*
* @param child the child
* @return the edits the policy
* @see org.eclipse.gef.editpolicies.LayoutEditPolicy#createChildEditPolicy(org.eclipse.gef.EditPart)
*/
@Override
protected EditPolicy createChildEditPolicy(EditPart child) {
View childView = (View)child.getModel();
switch(UMLVisualIDRegistry.getVisualID(childView)) {
case PortNameEditPart.VISUAL_ID:
case PortAppliedStereotypeEditPart.VISUAL_ID:
return new ExternalLabelPrimaryDragRoleEditPolicy();
}
EditPolicy result = child.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
if(result == null) {
result = new NonResizableEditPolicy();
}
return result;
}
/**
* Gets the move children command.
*
* @param request the request
* @return the move children command
* @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getMoveChildrenCommand(org.eclipse.gef.Request)
*/
@Override
protected Command getMoveChildrenCommand(Request request) {
return null;
}
/**
* Gets the creates the command.
*
* @param request the request
* @return the creates the command
* @see org.eclipse.gef.editpolicies.LayoutEditPolicy#getCreateCommand(org.eclipse.gef.requests.CreateRequest)
*/
@Override
protected Command getCreateCommand(CreateRequest request) {
return null;
}
}