/**
* The default implementation of this <code>IContributionItem</code> method does nothing.
* Subclasses may override.
*/
@Override
public void fill(Menu menu, int index) {
// retrieves current selection
final Object selectedElement = getSelectedElement();
// first case: this class was not able to retrieve the selection service
// or does not understand the current selection.
// does not build any sub-menu and returns.
if (selectedElement == null) {
return;
}
// get the UML object type of this element, using the business resolver
final Object businessObject = EMFHelper.getEObject(selectedElement);
// no object found: exit
if (businessObject == null) {
return;
}
// retrieves all editor configurations for this kind of element
final Collection<DirectEditorExtensionPoint> configurations =
DirectEditorExtensionPoint.getDirectEditorConfigurations(businessObject.getClass());
// if configurations is not empty, a submenu should open to select which
// editor to use...
if (configurations.size() < 1) {
return;
}
createSubMenu(menu, index, businessObject, configurations);
}
/**
* {@inheritedDoc}.
*
* @param e the e
*/
@Override
public void widgetSelected(SelectionEvent e) {
try {
if (treeViewer.getSelection().isEmpty()) {
return;
}
IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
EObject elt = EMFHelper.getEObject(selection.getFirstElement());
if (elt == null) {
return;
}
setContainer(elt);
ModelSet modelSet = ServiceUtilsForEObject.getInstance().getModelSet(elt);
ICreationCommand creationCommand =
iCreationCommandRegistry.getCommand(commandDescriptor.getCommandId());
creationCommand.createDiagram(modelSet, container, null);
// refresh several filtered tree
getDiagramfilteredTree().getViewer().refresh();
getModeFilteredTree().getViewer().refresh();
} catch (NotFoundException ex) {
Activator.log.error(ex);
} catch (ServiceException ex) {
Activator.log.error(ex);
}
}
/**
* Tests if all elements in the selection are EObject
*
* @param selection
* @return
*/
private boolean isObject(IStructuredSelection selection) {
if (!selection.isEmpty()) {
Iterator<?> iter = selection.iterator();
while (iter.hasNext()) {
EObject current = EMFHelper.getEObject(iter.next());
return current != null;
}
}
return false;
}
protected boolean hasEClass(IStructuredSelection selection, String eClassQName) {
if (!selection.isEmpty()) {
// Resolve the EClass in the context of the first element. If we can't resolve it
// in this context, then that element necessarily isn't an instance of that EClass,
// so not all of the selection is an instance of that class. Thus, it doesn't
// matter that we choose the first element to resolve the EClass
EClassifier eClassifier =
resolveEClass(EMFHelper.getEObject(selection.getFirstElement()), eClassQName);
if (eClassifier != null) {
boolean result = true;
for (Iterator<?> iter = selection.iterator(); result && iter.hasNext(); ) {
EObject next = EMFHelper.getEObject(iter.next());
result = (next != null) && eClassifier.isInstance(next);
}
return result;
}
}
return false;
}
protected void refresh(Object selectedElement) {
selectedElement = EMFHelper.getEObject(selectedElement);
Button but = getOKbutton();
if (isAValidEditor(selectedElement)) {
but = getOKbutton();
but.setEnabled(true);
selectedEditor = selectedElement;
} else {
but.setEnabled(false);
selectedEditor = null;
}
}
/**
* @param selection the current selection
* @return <code>true</code> if all selected elements are pages
*/
private boolean isPage(IStructuredSelection selection) {
IPageManager pageManager = getPageManager(selection);
if (pageManager != null) {
if (!selection.isEmpty()) {
Iterator<?> iter = selection.iterator();
while (iter.hasNext()) {
EObject current = EMFHelper.getEObject(iter.next());
if (!isPage(current, pageManager)) {
return false;
}
}
return true;
}
}
return false;
}
/**
* @see org.eclipse.ui.navigator.ILinkHelper#activateEditor(org.eclipse.ui.IWorkbenchPage,
* org.eclipse.jface.viewers.IStructuredSelection)
*/
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
// no selection
if (aSelection == null || aSelection.isEmpty()) {
return;
}
ISelectionService selectService = aPage.getWorkbenchWindow().getSelectionService();
ISelection selection = selectService.getSelection();
// test if the selection come the tree viewer in order to avoid cycle: Diagram -> tree->
// diagram
// if the diagram has been selected the selection is not a TreeSelection
if (selection instanceof ITreeSelection) {
try {
ISashWindowsContainer windowsContainer =
ServiceUtilsForWorkbenchPage.getInstance().getISashWindowsContainer(aPage);
Iterator<IEditorPart> iterPart = windowsContainer.getVisibleIEditorParts().iterator();
while (iterPart.hasNext()) {
IEditorPart diagramEditor = iterPart.next();
if (diagramEditor instanceof IRevealSemanticElement) {
if (aSelection instanceof IStructuredSelection) {
Iterator<?> selectionIterator = aSelection.iterator();
ArrayList<Object> semanticElementList = new ArrayList<Object>();
while (selectionIterator.hasNext()) {
Object currentSelection = selectionIterator.next();
Object semanticElement = EMFHelper.getEObject(currentSelection);
if (semanticElement != null) {
semanticElementList.add(semanticElement);
}
}
((IRevealSemanticElement) diagramEditor).revealSemanticElement(semanticElementList);
}
}
}
} catch (ServiceException ex) {
// We cannot access the service registry. The PapyrusEditor is probably closed.
} catch (Exception ex) {
Activator.log.error("Impossible to acces to windows Container", ex); // $NON-NLS-1$
}
}
}
/**
* This method selects an element in the modelexplorer and test that the new selection is the
* wanted selection using assertion
*
* @param elementToSelect the element to select
*/
protected void selectElementInTheModelexplorer(EObject elementToSelect) {
final List<EObject> selectedElement = new ArrayList<EObject>();
selectedElement.add(elementToSelect);
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
modelExplorerView.revealSemanticElement(selectedElement);
}
});
IStructuredSelection currentSelection = (IStructuredSelection) selectionService.getSelection();
Assert.assertEquals(
"Only one element should be selected", 1, currentSelection.size()); // $NON-NLS-1$
Object obj = currentSelection.getFirstElement();
obj = EMFHelper.getEObject(obj);
Assert.assertSame(
"the current selected element is not the wanted element",
elementToSelect,
obj); //$NON-NLS-1$
}
