/**
* Copyright (c) 2007-2013 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:
* Alexander Shatalin (Borland) - initial API and implementation
* Artem Tikhomirov (Borland) - [257632] do not rely on EditPart presence for element deletion
* Michael Golubev (Montages) - #386838 - migrate to Xtend2
*/
package aspects.xpt.diagram.editpolicies
import com.google.inject.Inject
import com.google.inject.Singleton
import java.util.List
import org.eclipse.gmf.codegen.gmfgen.FeatureLinkModelFacet
import org.eclipse.gmf.codegen.gmfgen.GenChildNode
import org.eclipse.gmf.codegen.gmfgen.GenNode
import org.eclipse.gmf.codegen.gmfgen.TypeLinkModelFacet
import org.eclipse.papyrus.papyrusgmfgenextension.EditPartUsingDeleteService
import utils.UtilsItemSemanticEditPolicy
import xpt.Common
import xpt.diagram.editpolicies.childContainerCreateCommand
import xpt.editor.VisualIDRegistry
/**
* This template should be called only for non-design nodes (modelFacet != null)
* because *ItemSemanticEditPolicy responsible for dealing with semantic model
* elements and meaningless (should not be generated) for pure design nodes.
*/
@Singleton class NodeItemSemanticEditPolicy extends xpt.diagram.editpolicies.NodeItemSemanticEditPolicy {
@Inject extension Common;
@Inject extension xpt.diagram.editpolicies.Utils_qvto;
@Inject extension UtilsItemSemanticEditPolicy
@Inject BaseItemSemanticEditPolicy xptBaseItemSemanticEditPolicy;
@Inject childContainerCreateCommand xptChildContainerCreateCommand;
@Inject linkCommands xptLinkCommands;
@Inject VisualIDRegistry xptVisualIDRegistry;
override NodeItemSemanticEditPolicy(GenNode it) '''
«copyright(getDiagram().editorGen)»
package «packageName(it)»;
«generatedClassComment()»
public class «className(it)» extends «xptBaseItemSemanticEditPolicy.qualifiedClassName(getDiagram())» {
«xptBaseItemSemanticEditPolicy.defaultConstructor(it)»
«xptChildContainerCreateCommand.childContainerCreateCommand(it.childNodes)»
««« Papyrus REM :
««« Test to know how the delete of this EditPart is done : we used the DeleteService or the "Traditional method"
«IF it.eResource.allContents.filter(typeof (EditPartUsingDeleteService)).filter[v | v.genView.contains(it)].size != 0»
«generatedMemberComment»
«getDestroyElementCommandByService(it)»
«ELSE»
«getDestroyElementCommand(it)»
«IF hasChildrenOrCompartments(it)»
«addDestroyChildNodesCommand(it)»
«ENDIF»
«ENDIF»
«xptLinkCommands.linkCommands(it)»
«additions(it)»
}
'''
override getDestroyElementCommand(GenNode it) '''
«generatedMemberComment()»
protected org.eclipse.gef.commands.Command getDestroyElementCommand(org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest req) {
org.eclipse.gmf.runtime.notation.View view = (org.eclipse.gmf.runtime.notation.View) getHost().getModel();
org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand cmd = new org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand(getEditingDomain(), null);
cmd.setTransactionNestingEnabled(true);
««« «destroyEdges('view')»
org.eclipse.emf.ecore.EAnnotation annotation = view.getEAnnotation("Shortcut");«nonNLS»
if (annotation == null) {
// there are indirectly referenced children, need extra commands: «it.childNodes.union(compartments.map(c | c.childNodes).flatten).exists[GenChildNode gcn | !isDirectlyOwned(gcn, it)]»
«IF hasChildrenOrCompartments(it)»
addDestroyChildNodesCommand(cmd);
«ENDIF»
addDestroyShortcutsCommand(cmd, view);
// delete host element
java.util.List<org.eclipse.emf.ecore.EObject> todestroy=new java.util.ArrayList<org.eclipse.emf.ecore.EObject>();
todestroy.add(req.getElementToDestroy());
//cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand(req));
cmd.add(new org.eclipse.papyrus.infra.emf.gmf.command.EMFtoGMFCommandWrapper(new org.eclipse.emf.edit.command.DeleteCommand(getEditingDomain(),todestroy )));
} else {«««Here, we may play smart and don't generate else for non-toplevel nodes(which can't be shortcuts). Is it worth doing?
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), view));
}
return getGEFWrapper(cmd.reduce());
}
'''
override addDestroyChildNodesCommand(GenNode it) '''
«generatedMemberComment()»
protected void addDestroyChildNodesCommand(org.eclipse.gmf.runtime.common.core.command.ICompositeCommand cmd) {
org.eclipse.gmf.runtime.notation.View view = (org.eclipse.gmf.runtime.notation.View) getHost().getModel();
for (java.util.Iterator<?> nit = view.getChildren().iterator(); nit.hasNext();) {
org.eclipse.gmf.runtime.notation.Node node = (org.eclipse.gmf.runtime.notation.Node) nit.next();
String vid = «xptVisualIDRegistry.getVisualIDMethodCall(it.diagram)»(node);
if (vid != null) {
switch (vid) {
«FOR cn : it.childNodes»
«destroyChildNodes(cn, 'node', it)»
«ENDFOR»
«FOR compartment : it.compartments»
«xptVisualIDRegistry.caseVisualID(compartment)»
for (java.util.Iterator<?> cit = node.getChildren().iterator(); cit.hasNext();) {
org.eclipse.gmf.runtime.notation.Node cnode = (org.eclipse.gmf.runtime.notation.Node) cit.next();
String cvid = «xptVisualIDRegistry.getVisualIDMethodCall(it.diagram)»(cnode);
if (cvid != null) {
switch (cvid) {
«FOR cn : compartment.childNodes»
«destroyChildNodes(cn, 'cnode', it)»
«ENDFOR»
}
}
}
break;
«ENDFOR»
}
}
}
}
'''
/**
* @param view - Notation element for the passed node
* assumes 'cmd' to point to composite command
*/
override destroyEdges(GenNode it, String view) '''
««« XXX: Though semantic editpolicy is supposed to create commands that operate with semantic elements only,
««« old code used to delegate child/link deletion to respective editparts, which in turn led to semantic commands
««« being combined with notational commands (BaseItemSemanticEditPolicy#addDeleteViewCommand()).
««« ---
««« Use DiagramUpdater.get[Incoming|Outgoing]View instead, to clean links that are not present on a diagram
««« (but don't forget to clean corresponding Edge, if any)
«««// This part is commented for Papyrus
«««// Some Papyrus diagrams with lots of elements are reaching the 65K Java limit for method size.
«««// The following change is not supposed to modify the method behavior, just propose a slight more
«««// compact code to avoid size limit.
«««
««««IF genIncomingLinks->notEmpty()-»
««« for («EXPAND CodeStyle::G('java.util.Iterator', '?' /*FIXME Refactor once Notation model is Java5*/)» it = «view».getTargetEdges().iterator(); it.hasNext();) {
««« org.eclipse.gmf.runtime.notation.Edge incomingLink = (org.eclipse.gmf.runtime.notation.Edge) it.next();
««««FOREACH genIncomingLinks AS il-»
««« if («EXPAND xpt::editor::VisualIDRegistry::getVisualIDMethodCall FOR getDiagram()»(incomingLink) == «EXPAND xpt::editor::VisualIDRegistry::visualID FOR il») {
««« «EXPAND impl::diagram::commands::DeleteLinkCommand::newRequest('r', 'incomingLink') FOR il-»
««« cmd.add(«EXPAND impl::diagram::commands::DeleteLinkCommand::newInstance('r') FOR il»);
««« cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
««« continue;
««« }
««««ENDFOREACH-»
««« }
««««ENDIF-»
««««IF genOutgoingLinks->notEmpty()-»
««« for («EXPAND CodeStyle::G('java.util.Iterator', '?' /*FIXME Refactor once Notation model is Java5*/)» it = «view».getSourceEdges().iterator(); it.hasNext();) {
««« org.eclipse.gmf.runtime.notation.Edge outgoingLink = (org.eclipse.gmf.runtime.notation.Edge) it.next();
««««FOREACH genOutgoingLinks AS ol-»
««« if («EXPAND xpt::editor::VisualIDRegistry::getVisualIDMethodCall FOR getDiagram()»(outgoingLink) == «EXPAND xpt::editor::VisualIDRegistry::visualID FOR ol») {
««« «EXPAND impl::diagram::commands::DeleteLinkCommand::newRequest('r', 'outgoingLink') FOR ol-»
««« cmd.add(«EXPAND impl::diagram::commands::DeleteLinkCommand::newInstance('r') FOR ol»);
««« cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), outgoingLink));
««« continue;
««« }
««««ENDFOREACH-»
««« }
««««ENDIF-»
«IF !genIncomingLinks.isEmpty()»
for (java.util.Iterator<?> it = «view».getTargetEdges().iterator(); it.hasNext();) {
org.eclipse.gmf.runtime.notation.Edge incomingLink = (org.eclipse.gmf.runtime.notation.Edge) it.next();
String vid = «xptVisualIDRegistry.getVisualIDMethodCall(getDiagram())»(incomingLink);
if (vid != null) {
switch(vid) {
«IF !genIncomingLinks.filter[l | l.modelFacet instanceof FeatureLinkModelFacet].empty»
«FOR il : genIncomingLinks.filter[l | l.modelFacet instanceof FeatureLinkModelFacet]»
case «VisualIDRegistry.visualID(il)»:
«ENDFOR»
org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest destroyRefReq = new org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest(incomingLink.getSource().getElement(), null, incomingLink.getTarget().getElement(), false);
cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyReferenceCommand(destroyRefReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
break;
«ENDIF»
«IF !genIncomingLinks.filter[l | l.modelFacet instanceof TypeLinkModelFacet].empty»
«FOR il : genIncomingLinks.filter[l | l.modelFacet instanceof TypeLinkModelFacet]»
case «VisualIDRegistry.visualID(il)»:
«ENDFOR»
org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest destroyEltReq = new org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest(incomingLink.getElement(), false);
cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand(destroyEltReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), incomingLink));
break;
«ENDIF»
}
}
}
«ENDIF»
«IF genOutgoingLinks.isEmpty()»
for (java.util.Iterator<?> it = «view».getSourceEdges().iterator(); it.hasNext();) {
org.eclipse.gmf.runtime.notation.Edge outgoingLink = (org.eclipse.gmf.runtime.notation.Edge) it.next();
String vid = «xptVisualIDRegistry.getVisualIDMethodCall(getDiagram())»(outgoingLink);
if (vid != null) {
switch(vid) {
«IF !genOutgoingLinks.filter[l | l.modelFacet instanceof FeatureLinkModelFacet].empty»
«FOR ol : genOutgoingLinks.filter[l | l.modelFacet instanceof FeatureLinkModelFacet]»
case «VisualIDRegistry.visualID(ol)»:
«ENDFOR»
org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest destroyRefReq = new org.eclipse.gmf.runtime.emf.type.core.requests.DestroyReferenceRequest(outgoingLink.getSource().getElement(), null, outgoingLink.getTarget().getElement(), false);
cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyReferenceCommand(destroyRefReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), outgoingLink));
break;
«ENDIF»
«IF !genOutgoingLinks.filter[l | l.modelFacet instanceof TypeLinkModelFacet].empty»
«FOR ol : genOutgoingLinks.filter[l | l.modelFacet instanceof TypeLinkModelFacet]»
case «VisualIDRegistry.visualID(ol)»:
«ENDFOR»
org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest destroyEltReq = new org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest(outgoingLink.getElement(), false);
cmd.add(new org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand(destroyEltReq));
cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), outgoingLink));
break;
«ENDIF»
}
}
}
«ENDIF»
'''
private def static <T> Iterable<T> union(Iterable<? extends T> listA, Iterable<? extends T> listB) {
var List<T> result = newLinkedList();
result.addAll(listA);
result.addAll(listB);
return result;
}
}
