/*
* Copyright (c) 2006, 2007 Borland Software Corporation.
* 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:
* Richard Gronback (Borland) - initial API and implementation
*/
package org.eclipse.gmf.examples.mindmap.diagram.edit.policies;
import java.util.Iterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.Relationship2CreateCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.Relationship2ReorientCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.Relationship3CreateCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.Relationship3ReorientCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.RelationshipCreateCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.RelationshipReorientCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.TopicSubtopicsCreateCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.commands.TopicSubtopicsReorientCommand;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.Relationship2EditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.Relationship3EditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.RelationshipEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ThreadEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.TopicSubtopicsEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.TopicThreadCompartmentEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.part.MindmapVisualIDRegistry;
import org.eclipse.gmf.examples.mindmap.diagram.providers.MindmapElementTypes;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
/**
* @generated
*/
public class TopicItemSemanticEditPolicy extends
MindmapBaseItemSemanticEditPolicy {
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
CompoundCommand cc = getDestroyEdgesCommand();
addDestroyChildNodesCommand(cc);
addDestroyShortcutsCommand(cc);
View view = (View) getHost().getModel();
if (view.getEAnnotation("Shortcut") != null) { //$NON-NLS-1$
req.setElementToDestroy(view);
}
cc.add(getGEFWrapper(new DestroyElementCommand(req)));
return cc.unwrap();
}
/**
* @generated
*/
protected void addDestroyChildNodesCommand(CompoundCommand cmd) {
View view = (View) getHost().getModel();
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation != null) {
return;
}
for (Iterator it = view.getChildren().iterator(); it.hasNext();) {
Node node = (Node) it.next();
switch (MindmapVisualIDRegistry.getVisualID(node)) {
case TopicThreadCompartmentEditPart.VISUAL_ID:
for (Iterator cit = node.getChildren().iterator(); cit
.hasNext();) {
Node cnode = (Node) cit.next();
switch (MindmapVisualIDRegistry.getVisualID(cnode)) {
case ThreadEditPart.VISUAL_ID:
cmd.add(getDestroyElementCommand(cnode));
break;
}
}
break;
}
}
}
/**
* @generated
*/
protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) {
Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req)
: getCompleteCreateRelationshipCommand(req);
return command != null ? command : super
.getCreateRelationshipCommand(req);
}
/**
* @generated
*/
protected Command getStartCreateRelationshipCommand(
CreateRelationshipRequest req) {
if (MindmapElementTypes.TopicSubtopics_4001 == req.getElementType()) {
return getGEFWrapper(new TopicSubtopicsCreateCommand(req, req
.getSource(), req.getTarget()));
}
if (MindmapElementTypes.Relationship_4002 == req.getElementType()) {
return getGEFWrapper(new RelationshipCreateCommand(req, req
.getSource(), req.getTarget()));
}
if (MindmapElementTypes.Relationship_4003 == req.getElementType()) {
return getGEFWrapper(new Relationship2CreateCommand(req, req
.getSource(), req.getTarget()));
}
if (MindmapElementTypes.Relationship_4004 == req.getElementType()) {
return getGEFWrapper(new Relationship3CreateCommand(req, req
.getSource(), req.getTarget()));
}
return null;
}
/**
* @generated
*/
protected Command getCompleteCreateRelationshipCommand(
CreateRelationshipRequest req) {
if (MindmapElementTypes.TopicSubtopics_4001 == req.getElementType()) {
return getGEFWrapper(new TopicSubtopicsCreateCommand(req, req
.getSource(), req.getTarget()));
}
if (MindmapElementTypes.Relationship_4002 == req.getElementType()) {
return getGEFWrapper(new RelationshipCreateCommand(req, req
.getSource(), req.getTarget()));
}
if (MindmapElementTypes.Relationship_4003 == req.getElementType()) {
return getGEFWrapper(new Relationship2CreateCommand(req, req
.getSource(), req.getTarget()));
}
if (MindmapElementTypes.Relationship_4004 == req.getElementType()) {
return getGEFWrapper(new Relationship3CreateCommand(req, req
.getSource(), req.getTarget()));
}
return null;
}
/**
* Returns command to reorient EClass based link. New link target or source
* should be the domain model element associated with this node.
*
* @generated
*/
protected Command getReorientRelationshipCommand(
ReorientRelationshipRequest req) {
switch (getVisualID(req)) {
case RelationshipEditPart.VISUAL_ID:
return getGEFWrapper(new RelationshipReorientCommand(req));
case Relationship2EditPart.VISUAL_ID:
return getGEFWrapper(new Relationship2ReorientCommand(req));
case Relationship3EditPart.VISUAL_ID:
return getGEFWrapper(new Relationship3ReorientCommand(req));
}
return super.getReorientRelationshipCommand(req);
}
/**
* Returns command to reorient EReference based link. New link target or source
* should be the domain model element associated with this node.
*
* @generated
*/
protected Command getReorientReferenceRelationshipCommand(
ReorientReferenceRelationshipRequest req) {
switch (getVisualID(req)) {
case TopicSubtopicsEditPart.VISUAL_ID:
return getGEFWrapper(new TopicSubtopicsReorientCommand(req));
}
return super.getReorientReferenceRelationshipCommand(req);
}
}
