/** @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 (DataMapperVisualIDRegistry.getVisualID(node)) {
case OperatorBasicContainerEditPart.VISUAL_ID:
cmd.add(
new DestroyElementCommand(
new DestroyElementRequest(
getEditingDomain(), node.getElement(), false))); // directlyOwned: true
// don't need explicit deletion of node as parent's view deletion would clean child views
// as well
// cmd.add(new
// org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node));
break;
}
}
}
/** @generated */
protected void refreshSemantic() {
if (resolveSemanticElement() == null) {
return;
}
LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
List<DataMapperNodeDescriptor> childDescriptors =
DataMapperDiagramUpdater.getEndsWith_2023SemanticChildren((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<DataMapperNodeDescriptor> descriptorsIterator = childDescriptors.iterator();
descriptorsIterator.hasNext(); ) {
DataMapperNodeDescriptor next = descriptorsIterator.next();
String hint = DataMapperVisualIDRegistry.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 (DataMapperNodeDescriptor next : childDescriptors) {
String hint = DataMapperVisualIDRegistry.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 */
private boolean isMyDiagramElement(View view) {
return OperatorBasicContainerEditPart.VISUAL_ID == DataMapperVisualIDRegistry.getVisualID(view);
}