package org.eclipse.uml2.diagram.component.edit.policies;
import java.util.ArrayList;
import java.util.Collection;
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.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.SetViewMutabilityCommand;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CanonicalEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.uml2.diagram.common.genapi.IUpdaterNodeDescriptor;
import org.eclipse.uml2.diagram.component.edit.parts.Artifact2EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Artifact3EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ArtifactEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.AssemblyConnectorCircleEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Class2EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Class3EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Class4EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ClassDiagramNotationClassEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ClassDiagramNotationInnerClassEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ClassDiagramNotationOperationEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ClassDiagramNotationPropertyEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ClassEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.CommentEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Component2EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Component3EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ComponentEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.ElementImportEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Interface2EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Interface3EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.InterfaceEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.OperationEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Package2EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Package3EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Package4EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.PortEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.PortOnClassEditPart;
import org.eclipse.uml2.diagram.component.edit.parts.Property2EditPart;
import org.eclipse.uml2.diagram.component.edit.parts.PropertyEditPart;
import org.eclipse.uml2.diagram.component.part.UMLDiagramUpdater;
import org.eclipse.uml2.diagram.component.part.UMLNodeDescriptor;
import org.eclipse.uml2.diagram.component.part.UMLVisualIDRegistry;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @generated
*/
public class ClassAttributesCanonicalEditPolicy extends CanonicalEditPolicy {
/**
* @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
*/
protected EStructuralFeature getFeatureToSynchronize() {
return UMLPackage.eINSTANCE.getStructuredClassifier_OwnedAttribute();
}
/**
* @generated
*/
@SuppressWarnings("rawtypes")
protected List getSemanticChildrenList() {
View viewObject = (View) getHost().getModel();
LinkedList<EObject> result = new LinkedList<EObject>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getClassAttributes_7006SemanticChildren(viewObject);
for (UMLNodeDescriptor d : childDescriptors) {
result.add(d.getModelElement());
}
return result;
}
/**
* @generated
*/
@SuppressWarnings("unchecked")
protected boolean isOrphaned(Collection<EObject> semanticChildren, final View view) {
return isMyDiagramElement(view) ? !semanticChildren.contains(view.getElement()) : isDefinitelyNotMyDiagramElement(view);
}
/**
* @generated
*/
private boolean isDefinitelyNotMyDiagramElement(View view) {
int visualID = UMLVisualIDRegistry.getVisualID(view);
switch (visualID) {
case ComponentEditPart.VISUAL_ID:
case Artifact2EditPart.VISUAL_ID:
case Interface2EditPart.VISUAL_ID:
case Class2EditPart.VISUAL_ID:
case Package2EditPart.VISUAL_ID:
case Package3EditPart.VISUAL_ID:
case ClassDiagramNotationClassEditPart.VISUAL_ID:
case CommentEditPart.VISUAL_ID:
case Interface3EditPart.VISUAL_ID:
case Component2EditPart.VISUAL_ID:
case PortEditPart.VISUAL_ID:
case ArtifactEditPart.VISUAL_ID:
case Artifact3EditPart.VISUAL_ID:
case ClassEditPart.VISUAL_ID:
case InterfaceEditPart.VISUAL_ID:
case PropertyEditPart.VISUAL_ID:
case AssemblyConnectorCircleEditPart.VISUAL_ID:
case ElementImportEditPart.VISUAL_ID:
case Package4EditPart.VISUAL_ID:
case Class3EditPart.VISUAL_ID:
case Component3EditPart.VISUAL_ID:
case ClassDiagramNotationOperationEditPart.VISUAL_ID:
case ClassDiagramNotationInnerClassEditPart.VISUAL_ID:
case PortOnClassEditPart.VISUAL_ID:
case Property2EditPart.VISUAL_ID:
case OperationEditPart.VISUAL_ID:
case Class4EditPart.VISUAL_ID:
return true;
}
return false;
}
/**
* @generated
*/
private boolean isMyDiagramElement(View view) {
return ClassDiagramNotationPropertyEditPart.VISUAL_ID == UMLVisualIDRegistry.getVisualID(view);
}
/**
* @generated
*/
protected void refreshSemantic() {
if (resolveSemanticElement() == null) {
return;
}
LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getClassAttributes_7006SemanticChildren((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)
//
// 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
for (View childView : getViewChildren()) {
EObject semanticElement = childView.getElement();
if (next.getModelElement().equals(semanticElement)) {
//if (hint.equals(childView.getType())) {
if (UMLVisualIDRegistry.checkNodeVisualID((View) (getHost().getModel()), semanticElement, next.getVisualID())) {
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
}
}
}
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.getLast());
}
}
// 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);
//
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);
}
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);
@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);
}
}