@Override
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection) {
// If the selection event source is different from the active part,
// that means the selection change has not been triggered by a user
// action. In that case we do nothing to avoid loops.
if (event.getSource() != getActivePartSource()) {
return;
}
// If the selection come from the navigator, we select the
// corresponding representations elements.
if (event.getSource().equals(navigator.getCommonViewer())) {
IWorkbenchPage page = EclipseUIUtil.getActivePage();
IEditorPart activeEditor = page.getActiveEditor();
if (activeEditor instanceof DialectEditor) {
DialectEditor dialectEditor = (DialectEditor) activeEditor;
page.bringToTop(dialectEditor);
selectRepresentationElements(selection, dialectEditor);
}
} else {
Set<EObject> targets = getTargetsFromSelection((IStructuredSelection) selection);
if (!targets.isEmpty()) {
navigator.selectReveal(new StructuredSelection(targets.toArray()));
}
}
}
}
public void hookOnViewer(final String viewerId) {
IWorkbench workbench = PlatformUI.getWorkbench();
if (viewerId != null && workbench != null && workbench.getDisplay() != null) {
Display display = workbench.getDisplay();
Thread displayThread = display.getThread();
if (workbench.isStarting() || !Thread.currentThread().equals(displayThread)) {
// while workbench is starting defer hooking until later
UIJob job =
new UIJob(display, "viewer hooker") {
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
hookOnViewer(viewerId);
return Status.OK_STATUS;
}
};
job.schedule(250);
} else if (viewerId != null) {
CommonNavigator navigator =
(CommonNavigator) eu.fittest.eclipse.gui.utils.Viewer.getView(viewerId);
if (navigator != null) {
CommonViewer viewer = navigator.getCommonViewer();
if (viewer != null) {
if (this.viewer != null) {
this.viewer.removeSelectionChangedListener(this);
}
requestRefresh();
viewer.addSelectionChangedListener(this);
this.viewer = viewer;
}
}
}
}
}
/**
* Removes this instance from the {@link IPartListener2}s and from all {@link DialectEditor}
* selectionListeners.
*/
private void disableSelectionListener() {
if (partService != null) {
navigator.getCommonViewer().removeSelectionChangedListener(this);
partService.removePartListener(this);
for (DialectEditor dialectEditor : registeredEditors) {
removeSelectionListener(dialectEditor);
}
registeredEditors.clear();
}
}
public void run(IAction action) {
if (navigator == null) {
return;
}
Grouping grouping = getGrouping(action.getId());
if (grouping == null) {
return;
}
BugContentProvider provider =
BugContentProvider.getProvider(navigator.getNavigatorContentService());
provider.setGrouping(grouping);
CommonViewer viewer = navigator.getCommonViewer();
Object[] expandedElements = viewer.getExpandedElements();
provider.reSetInput();
viewer.setExpandedElements(expandedElements);
}
public static IFolder getFolder() {
CommonNavigator navigator = (CommonNavigator) Viewer.getView(IFITTESTFolderConstants.NAVIGATOR);
if (navigator != null) {
CommonViewer viewer = navigator.getCommonViewer();
if (viewer != null) {
ISelection selection = viewer.getSelection();
if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
IStructuredSelection sel = (IStructuredSelection) selection;
Object object = sel.getFirstElement();
return (object instanceof IFolder && !(object instanceof IProject))
? (IFolder) object
: null;
}
}
}
return null;
}
/**
* Registers this instance as a {@link IPartListener2} and as a {@link ISelectionChangedListener}
* on each opened {@link DialectEditor}.
*/
private void enableSelectionListener() {
if (partService != null) {
// We register this listener on the current viewer to have a
// bidirectional selection.
navigator.getCommonViewer().addSelectionChangedListener(this);
partService.addPartListener(this);
IEditorReference[] editorReferences =
PlatformUI.getWorkbench()
.getActiveWorkbenchWindow()
.getActivePage()
.getEditorReferences();
for (IEditorReference editorReference : editorReferences) {
IEditorPart editorPart = editorReference.getEditor(false);
if (editorPart instanceof DialectEditor) {
addSelectionListener((DialectEditor) editorPart);
registeredEditors.add((DialectEditor) editorPart);
}
}
}
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.actions.CompoundContributionItem#getContributionItems()
*/
@Override
protected IContributionItem[] getContributionItems() {
CommonNavigator navigator = (CommonNavigator) ViewsUtil.getPart(IUIConstants.ID_EXPLORER);
if (navigator == null) return new IContributionItem[0];
INavigatorContentService contentService = navigator.getNavigatorContentService();
List<IContributionItem> items = new ArrayList<IContributionItem>();
List<String> extensionSet = new MRUList(IPreferenceKeys.PREF_CONTENT_MRU_LIST);
CommonViewer commonViewer = navigator.getCommonViewer();
for (int i = 0; i < extensionSet.size(); i++) {
String extensionId = extensionSet.get(i);
INavigatorContentDescriptor contentDescriptor =
contentService.getContentDescriptorById(extensionId);
if (contentDescriptor != null) {
items.add(
new ActionContributionItem(
new ContentMRUAction((i + 1), contentDescriptor, contentService, commonViewer)));
}
}
return items.toArray(new IContributionItem[items.size()]);
}
@Test
public void testFilter() throws CoreException {
IPerspectiveDescriptor persDescription =
PlatformUI.getWorkbench()
.getPerspectiveRegistry()
.findPerspectiveWithId(JavaUI.ID_PERSPECTIVE);
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
page.setPerspective(persDescription);
IViewPart arquilliaView = page.showView(ArquillianView.ID);
try {
assertTrue(arquilliaView instanceof CommonNavigator);
PackageExplorerPart packageView = (PackageExplorerPart) page.showView(JavaUI.ID_PACKAGES);
IProject project = getProject(TEST_PROJECT_NAME);
packageView.selectAndReveal(project);
CommonNavigator navigator = (CommonNavigator) arquilliaView;
CommonViewer viewer = navigator.getCommonViewer();
TreeItem[] items = viewer.getTree().getItems();
assertTrue(items.length == 1);
ViewerFilter[] filters = viewer.getFilters();
assertTrue(filters.length > 0);
WorkingSetFilter activeFilter = null;
List<ViewerFilter> newFilters = new ArrayList<ViewerFilter>();
int i = 0;
for (ViewerFilter filter : filters) {
if (!(filter instanceof ActiveProjectFilter)) {
newFilters.add(filter);
}
}
newFilters.add(new WorkingSetFilter());
viewer.setFilters(newFilters.toArray(new ViewerFilter[0]));
items = viewer.getTree().getItems();
assertTrue("Invalid filter", items.length == 2);
} finally {
if (arquilliaView != null) {
page.hideView(arquilliaView);
}
}
}
public void run(IAction action) {
if (navigator != null) {
CommonViewer viewer = navigator.getCommonViewer();
BugContentProvider provider =
BugContentProvider.getProvider(navigator.getNavigatorContentService());
// provider.setRefreshRequested(true);
Object[] expandedElements = viewer.getExpandedElements();
Object input = viewer.getInput();
if (provider.getChildren(input).length == 0) {
viewer.setInput(null);
if (input instanceof IWorkingSet || input instanceof IWorkspaceRoot) {
viewer.setInput(input);
} else {
viewer.setInput(ResourcesPlugin.getWorkspace().getRoot());
}
viewer.refresh(true);
} else {
provider.reSetInput();
}
viewer.setExpandedElements(expandedElements);
}
}
@Override
protected ISelection resolveSelection(
IEditorPart editor, ITextSelection changedSelection, StructuredViewer viewer)
throws CoreException {
if (resolveFailed) {
return null;
}
if (linkServiceMethod == null) {
// TODO e3.5 replace with call to CommonNavigator.getLinkHelperService()
try {
try {
// e3.5: get helper from common navigator
Method method =
CommonNavigator.class.getDeclaredMethod("getLinkHelperService"); // $NON-NLS-1$
method.setAccessible(true);
linkService = method.invoke(commonNavigator);
} catch (NoSuchMethodException e) {
// e3.3, e3.4: instantiate helper
Class<?> clazz =
Class.forName(
"org.eclipse.ui.internal.navigator.extensions.LinkHelperService"); //$NON-NLS-1$
Constructor<?> constructor = clazz.getConstructor(NavigatorContentService.class);
linkService =
constructor.newInstance(
(NavigatorContentService)
commonNavigator.getCommonViewer().getNavigatorContentService());
}
linkServiceMethod =
linkService
.getClass()
.getDeclaredMethod("getLinkHelpersFor", IEditorInput.class); // $NON-NLS-1$
} catch (Throwable e) {
resolveFailed = true;
StatusHandler.log(
new Status(
IStatus.ERROR,
ResourcesUiBridgePlugin.ID_PLUGIN,
"Initialization of LinkHelperService failed",
e)); //$NON-NLS-1$
}
}
IEditorInput input = editor.getEditorInput();
// TODO e3.5 replace with call to linkService.getLinkHelpersFor(editor.getEditorInput());
ILinkHelper[] helpers;
try {
helpers = (ILinkHelper[]) linkServiceMethod.invoke(linkService, editor.getEditorInput());
} catch (Exception e) {
return null;
}
IStructuredSelection selection = StructuredSelection.EMPTY;
IStructuredSelection newSelection = StructuredSelection.EMPTY;
for (ILinkHelper helper : helpers) {
selection = helper.findSelection(input);
if (selection != null && !selection.isEmpty()) {
newSelection = mergeSelection(newSelection, selection);
}
}
if (!newSelection.isEmpty()) {
return newSelection;
}
return null;
}
