/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* 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:
* Atos Origin - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.edit.policies;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.DeferredLayoutCommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.SetBoundsCommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.SetViewMutabilityCommand;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CanonicalEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
import org.eclipse.gmf.runtime.notation.Bounds;
import org.eclipse.gmf.runtime.notation.Location;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.Size;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ActionInputPinInCallOpActAsTargetEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ActionInputPinInCallOpActEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.InputPinInCallOpActAsTargetEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.InputPinInCallOpActEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.OutputPinInCallOpActEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ValuePinInCallOpActAsTargetEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ValuePinInCallOpActEditPart;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLDiagramUpdater;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLNodeDescriptor;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLVisualIDRegistry;
import org.eclipse.papyrus.uml.diagram.activity.providers.UMLElementTypes;
import org.eclipse.uml2.uml.ActionInputPin;
import org.eclipse.uml2.uml.CallOperationAction;
import org.eclipse.uml2.uml.InputPin;
import org.eclipse.uml2.uml.OutputPin;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.ValuePin;
/**
* @generated
*/
public class CallOperationActionCanonicalEditPolicy extends CanonicalEditPolicy {
/**
* @generated
*/
private Set<EStructuralFeature> myFeaturesToSynchronize;
/**
* @generated
*/
protected void refreshOnActivate() {
// Need to activate editpart children before invoking the canonical refresh for EditParts to add event listeners
List<?> c = getHost().getChildren();
for(int i = 0; i < c.size(); i++) {
((EditPart)c.get(i)).activate();
}
super.refreshOnActivate();
}
/**
* @generated
*/
@SuppressWarnings("rawtypes")
protected List getSemanticChildrenList() {
View viewObject = (View)getHost().getModel();
LinkedList<EObject> result = new LinkedList<EObject>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getCallOperationAction_3010SemanticChildren(viewObject);
for(UMLNodeDescriptor d : childDescriptors) {
result.add(d.getModelElement());
}
return result;
}
/**
* @generated
*/
protected boolean isOrphaned(Collection<EObject> semanticChildren, final View view) {
return isMyDiagramElement(view) && !semanticChildren.contains(view.getElement());
}
/**
* @generated
*/
private boolean isMyDiagramElement(View view) {
int visualID = UMLVisualIDRegistry.getVisualID(view);
switch(visualID) {
case ActionInputPinInCallOpActEditPart.VISUAL_ID:
case ValuePinInCallOpActEditPart.VISUAL_ID:
case InputPinInCallOpActEditPart.VISUAL_ID:
case OutputPinInCallOpActEditPart.VISUAL_ID:
case ValuePinInCallOpActAsTargetEditPart.VISUAL_ID:
case ActionInputPinInCallOpActAsTargetEditPart.VISUAL_ID:
case InputPinInCallOpActAsTargetEditPart.VISUAL_ID:
return true;
}
return false;
}
/**
* @generated
*/
protected void refreshSemantic() {
if(resolveSemanticElement() == null) {
return;
}
LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getCallOperationAction_3010SemanticChildren((View)getHost().getModel());
LinkedList<View> orphaned = new LinkedList<View>();
// we care to check only views we recognize as ours
LinkedList<View> knownViewChildren = new LinkedList<View>();
for(View v : getViewChildren()) {
if(isMyDiagramElement(v)) {
knownViewChildren.add(v);
}
}
// alternative to #cleanCanonicalSemanticChildren(getViewChildren(), semanticChildren)
HashMap<UMLNodeDescriptor, LinkedList<View>> potentialViews = new HashMap<UMLNodeDescriptor, LinkedList<View>>();
//
// iteration happens over list of desired semantic elements, trying to find best matching View, while original CEP
// iterates views, potentially losing view (size/bounds) information - i.e. if there are few views to reference same EObject, only last one
// to answer isOrphaned == true will be used for the domain element representation, see #cleanCanonicalSemanticChildren()
for(Iterator<UMLNodeDescriptor> descriptorsIterator = childDescriptors.iterator(); descriptorsIterator.hasNext();) {
UMLNodeDescriptor next = descriptorsIterator.next();
String hint = UMLVisualIDRegistry.getType(next.getVisualID());
LinkedList<View> perfectMatch = new LinkedList<View>(); // both semanticElement and hint match that of NodeDescriptor
LinkedList<View> potentialMatch = new LinkedList<View>(); // semanticElement matches, hint does not
for(View childView : getViewChildren()) {
EObject semanticElement = childView.getElement();
if(next.getModelElement().equals(semanticElement)) {
if(hint.equals(childView.getType())) {
perfectMatch.add(childView);
// actually, can stop iteration over view children here, but
// may want to use not the first view but last one as a 'real' match (the way original CEP does
// with its trick with viewToSemanticMap inside #cleanCanonicalSemanticChildren
} else {
potentialMatch.add(childView);
}
}
}
if(perfectMatch.size() > 0) {
descriptorsIterator.remove(); // precise match found no need to create anything for the NodeDescriptor
// use only one view (first or last?), keep rest as orphaned for further consideration
knownViewChildren.remove(perfectMatch.getFirst());
} else if(potentialMatch.size() > 0) {
potentialViews.put(next, potentialMatch);
}
}
// those left in knownViewChildren are subject to removal - they are our diagram elements we didn't find match to,
// or those we have potential matches to, and thus need to be recreated, preserving size/location information.
orphaned.addAll(knownViewChildren);
//
CompositeTransactionalCommand boundsCommand = new CompositeTransactionalCommand(host().getEditingDomain(), DiagramUIMessages.SetLocationCommand_Label_Resize);
ArrayList<CreateViewRequest.ViewDescriptor> viewDescriptors = new ArrayList<CreateViewRequest.ViewDescriptor>(childDescriptors.size());
for(UMLNodeDescriptor next : childDescriptors) {
String hint = UMLVisualIDRegistry.getType(next.getVisualID());
IAdaptable elementAdapter = new CanonicalElementAdapter(next.getModelElement(), hint);
CreateViewRequest.ViewDescriptor descriptor = new CreateViewRequest.ViewDescriptor(elementAdapter, Node.class, hint, ViewUtil.APPEND, false, host().getDiagramPreferencesHint());
viewDescriptors.add(descriptor);
LinkedList<View> possibleMatches = potentialViews.get(next);
if(possibleMatches != null) {
// from potential matches, leave those that were not eventually used for some other NodeDescriptor (i.e. those left as orphaned)
possibleMatches.retainAll(knownViewChildren);
}
if(possibleMatches != null && !possibleMatches.isEmpty()) {
View originalView = possibleMatches.getFirst();
knownViewChildren.remove(originalView); // remove not to copy properties of the same view again and again
// add command to copy properties
if(originalView instanceof Node) {
if(((Node)originalView).getLayoutConstraint() instanceof Bounds) {
Bounds b = (Bounds)((Node)originalView).getLayoutConstraint();
boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Rectangle(b.getX(), b.getY(), b.getWidth(), b.getHeight())));
} else if(((Node)originalView).getLayoutConstraint() instanceof Location) {
Location l = (Location)((Node)originalView).getLayoutConstraint();
boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Point(l.getX(), l.getY())));
} else if(((Node)originalView).getLayoutConstraint() instanceof Size) {
Size s = (Size)((Node)originalView).getLayoutConstraint();
boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Dimension(s.getWidth(), s.getHeight())));
}
}
}
}
boolean changed = deleteViews(orphaned.iterator());
//
CreateViewRequest request = getCreateViewRequest(viewDescriptors);
Command cmd = getCreateViewCommand(request);
if(cmd != null && cmd.canExecute()) {
SetViewMutabilityCommand.makeMutable(new EObjectAdapter(host().getNotationView())).execute();
executeCommand(cmd);
if(boundsCommand.canExecute()) {
executeCommand(new ICommandProxy(boundsCommand.reduce()));
}
@SuppressWarnings("unchecked")
List<IAdaptable> nl = (List<IAdaptable>)request.getNewObject();
createdViews.addAll(nl);
}
if(changed || createdViews.size() > 0) {
postProcessRefreshSemantic(createdViews);
}
if(createdViews.size() > 1) {
// perform a layout of the container
DeferredLayoutCommand layoutCmd = new DeferredLayoutCommand(host().getEditingDomain(), createdViews, host());
executeCommand(new ICommandProxy(layoutCmd));
}
makeViewsImmutable(createdViews);
}
/**
* @generated
*/
protected Set getFeaturesToSynchronize() {
if(myFeaturesToSynchronize == null) {
myFeaturesToSynchronize = new HashSet<EStructuralFeature>();
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getInvocationAction_Argument());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getCallAction_Result());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getCallOperationAction_Target());
}
return myFeaturesToSynchronize;
}
/**
* Return the appropriate factory hint for the children pins.
*
* @see #getFactoryHint(IAdaptable, String)
* @param elementAdapter
* adapter that adapts to {@link EObject}.
* @return factory hint.
* @generated NOT
*/
protected String getFactoryHint(IAdaptable elementAdapter) {
InputPin targetPin = ((CallOperationAction)getSemanticHost()).getTarget();
Object element = elementAdapter.getAdapter(EObject.class);
if(element instanceof ValuePin) {
if(element.equals(targetPin)) {
return ((IHintedType)UMLElementTypes.ValuePin_3025).getSemanticHint();
}
return ((IHintedType)UMLElementTypes.ValuePin_3022).getSemanticHint();
} else if(element instanceof ActionInputPin) {
if(element.equals(targetPin)) {
return ((IHintedType)UMLElementTypes.ActionInputPin_3026).getSemanticHint();
}
return ((IHintedType)UMLElementTypes.ActionInputPin_3021).getSemanticHint();
} else if(element instanceof InputPin) {
if(element.equals(targetPin)) {
return ((IHintedType)UMLElementTypes.InputPin_3027).getSemanticHint();
}
return ((IHintedType)UMLElementTypes.InputPin_3023).getSemanticHint();
} else if(element instanceof OutputPin) {
return ((IHintedType)UMLElementTypes.OutputPin_3024).getSemanticHint();
}
return null;
}
}