/*
* Copyright (c) 2006, 2009 Borland Software Corporation 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:
* Borland Software Corporation - initial API and implementation
*/
package org.eclipse.gmf.graphdef.editor.edit.policies;
import java.util.Iterator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.graphdef.editor.edit.parts.ChildAccessEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.DiagramElementFigureEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Ellipse3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.FigureDescriptorEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.FigureGalleryFiguresEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Label3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Polygon3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Polyline3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Rectangle3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.RoundedRectangle3EditPart;
import org.eclipse.gmf.graphdef.editor.part.GMFGraphVisualIDRegistry;
import org.eclipse.gmf.graphdef.editor.providers.GMFGraphElementTypes;
import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand;
import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyReferenceCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
/**
* @generated
*/
public class FigureGalleryItemSemanticEditPolicy extends GMFGraphBaseItemSemanticEditPolicy {
/**
* @generated
*/
public FigureGalleryItemSemanticEditPolicy() {
super(GMFGraphElementTypes.FigureGallery_2008);
}
/**
* @generated
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
View view = (View) getHost().getModel();
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(false);
EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$
if (annotation == null) {
// there are indirectly referenced children, need extra commands: false
addDestroyChildNodesCommand(cmd);
addDestroyShortcutsCommand(cmd, view);
// delete host element
cmd.add(new DestroyElementCommand(req));
} else {
cmd.add(new DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
/**
* @generated
*/
private void addDestroyChildNodesCommand(ICompositeCommand cmd) {
View view = (View) getHost().getModel();
for (Iterator nit = view.getChildren().iterator(); nit.hasNext();) {
Node node = (Node) nit.next();
switch (GMFGraphVisualIDRegistry.getVisualID(node)) {
case FigureGalleryFiguresEditPart.VISUAL_ID:
for (Iterator cit = node.getChildren().iterator(); cit.hasNext();) {
Node cnode = (Node) cit.next();
switch (GMFGraphVisualIDRegistry.getVisualID(cnode)) {
case FigureDescriptorEditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == DiagramElementFigureEditPart.VISUAL_ID) {
DestroyReferenceRequest r = new DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new DestroyReferenceCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
for (Iterator it = cnode.getSourceEdges().iterator(); it.hasNext();) {
Edge outgoingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(outgoingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case Rectangle3EditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case Ellipse3EditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case RoundedRectangle3EditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case Polyline3EditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case Polygon3EditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
case Label3EditPart.VISUAL_ID:
for (Iterator it = cnode.getTargetEdges().iterator(); it.hasNext();) {
Edge incomingLink = (Edge) it.next();
if (GMFGraphVisualIDRegistry.getVisualID(incomingLink) == ChildAccessEditPart.VISUAL_ID) {
DestroyElementRequest r = new DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new DestroyElementCommand(r));
cmd.add(new DeleteCommand(getEditingDomain(), incomingLink));
continue;
}
}
cmd.add(new DestroyElementCommand(new DestroyElementRequest(getEditingDomain(), cnode.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of cnode as parent's view deletion would clean child views as well
// cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), cnode));
break;
}
}
break;
}
}
}
}
