diff options
Diffstat (limited to 'examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/edit/policies/ModelCanonicalEditPolicy.java')
-rw-r--r-- | examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/edit/policies/ModelCanonicalEditPolicy.java | 360 |
1 files changed, 202 insertions, 158 deletions
diff --git a/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/edit/policies/ModelCanonicalEditPolicy.java b/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/edit/policies/ModelCanonicalEditPolicy.java index b0d85c84f3e..f95aaf49317 100644 --- a/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/edit/policies/ModelCanonicalEditPolicy.java +++ b/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/edit/policies/ModelCanonicalEditPolicy.java @@ -1,158 +1,202 @@ -package org.eclipse.papyrus.example.diagram.simplediagram.edit.policies;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-
-import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.EStructuralFeature;
-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.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.papyrus.example.diagram.simplediagram.edit.parts.ComponentEditPart;
-import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLDiagramUpdater;
-import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLNodeDescriptor;
-import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLVisualIDRegistry;
-import org.eclipse.uml2.uml.UMLPackage;
-
-/**
- * @generated
- */
-public class ModelCanonicalEditPolicy extends CanonicalEditPolicy {
-
- /**
- * @generated
- */
- protected EStructuralFeature getFeatureToSynchronize() {
- return UMLPackage.eINSTANCE.getPackage_PackagedElement();
- }
-
- /**
- * @generated
- */
- @SuppressWarnings("rawtypes")
- protected List getSemanticChildrenList() {
- View viewObject = (View) getHost().getModel();
- LinkedList<EObject> result = new LinkedList<EObject>();
- List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater
- .getModel_1000SemanticChildren(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) {
- return ComponentEditPart.VISUAL_ID == UMLVisualIDRegistry
- .getVisualID(view);
- }
-
- /**
- * @generated
- */
- protected void refreshSemantic() {
- if (resolveSemanticElement() == null) {
- return;
- }
- LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
- List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater
- .getModel_1000SemanticChildren((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())) {
- 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.getFirst());
- }
- }
- // 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);
- }
-}
+package org.eclipse.papyrus.example.diagram.simplediagram.edit.policies; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; + +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.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.papyrus.example.diagram.simplediagram.edit.parts.ComponentEditPart; +import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLDiagramUpdater; +import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLNodeDescriptor; +import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLVisualIDRegistry; +import org.eclipse.uml2.uml.UMLPackage; + +/** + * @generated + */ +public class ModelCanonicalEditPolicy 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.getPackage_PackagedElement(); + } + + /** + * @generated + */ + @SuppressWarnings("rawtypes") + protected List getSemanticChildrenList() { + View viewObject = (View) getHost().getModel(); + LinkedList<EObject> result = new LinkedList<EObject>(); + List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater + .getModel_1000SemanticChildren(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) { + return ComponentEditPart.VISUAL_ID == UMLVisualIDRegistry + .getVisualID(view); + } + + /** + * @generated + */ + protected void refreshSemantic() { + if (resolveSemanticElement() == null) { + return; + } + LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>(); + List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater + .getModel_1000SemanticChildren((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())) { + 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.getFirst()); + } + } + // 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); + } + + /** + * @generated + */ + @SuppressWarnings("serial") + protected static class Domain2Notation extends HashMap<EObject, View> { + /** + * @generated + */ + public boolean containsDomainElement(EObject domainElement) { + return this.containsKey(domainElement); + } + + /** + * @generated + */ + public View getHinted(EObject domainEObject, String hint) { + return this.get(domainEObject); + } + + /** + * @generated + */ + public void putView(EObject domainElement, View view) { + if (!containsKey(view.getElement())) { + this.put(domainElement, view); + } + } + + } +} |