private void resetPerspectiveModel(
MPerspective persp, MWindow window, boolean removeSharedPlaceholders) {
if (persp == null) {
return;
}
if (removeSharedPlaceholders) {
// Remove any views (Placeholders) from the shared area
EPartService ps = window.getContext().get(EPartService.class);
List<MArea> areas = findElements(window, null, MArea.class, null);
if (areas.size() == 1) {
MArea area = areas.get(0);
// Strip out the placeholders in visible stacks
List<MPlaceholder> phList = findElements(area, null, MPlaceholder.class, null);
for (MPlaceholder ph : phList) {
ps.hidePart((MPart) ph.getRef());
ph.getParent().getChildren().remove(ph);
}
// Prevent shared stacks ids from clashing with the ones in the perspective
List<MPartStack> stacks = findElements(area, null, MPartStack.class, null);
for (MPartStack stack : stacks) {
String generatedId = "PartStack@" + Integer.toHexString(stack.hashCode()); // $NON-NLS-1$
stack.setElementId(generatedId);
}
// Also remove any min/max tags on the area (or its placeholder)
MUIElement areaPresentation = area;
if (area.getCurSharedRef() != null) {
areaPresentation = area.getCurSharedRef();
}
areaPresentation.getTags().remove(IPresentationEngine.MAXIMIZED);
areaPresentation.getTags().remove(IPresentationEngine.MINIMIZED);
areaPresentation.getTags().remove(IPresentationEngine.MINIMIZED_BY_ZOOM);
}
}
// Remove any minimized stacks for this perspective
List<MTrimBar> bars = findElements(window, null, MTrimBar.class, null);
List<MToolControl> toRemove = new ArrayList<>();
for (MTrimBar bar : bars) {
for (MUIElement barKid : bar.getChildren()) {
if (!(barKid instanceof MToolControl)) {
continue;
}
String id = barKid.getElementId();
if (id != null && id.contains(persp.getElementId())) {
toRemove.add((MToolControl) barKid);
}
}
}
for (MToolControl toolControl : toRemove) {
// Close any open fast view
toolControl.setToBeRendered(false);
toolControl.getParent().getChildren().remove(toolControl);
}
}
@Override
public Object compute(IEclipseContext context, String contextKey) {
// look for the top-most MWindow in the context chain:
// 1st: go up the tree to find topmost MWindow
MWindow window = null;
IEclipseContext current = context;
do {
MContext model = current.get(MContext.class);
if (model instanceof MWindow) window = (MWindow) model;
current = current.getParent();
} while (current != null);
if (window == null) {
if (context.get(MApplication.class) != null) {
// called from Application scope
return ContextInjectionFactory.make(ApplicationPartServiceImpl.class, context);
}
return IInjector.NOT_A_VALUE;
}
IEclipseContext windowContext = window.getContext();
PartServiceImpl service = windowContext.getLocal(PartServiceImpl.class);
if (service == null) {
service = ContextInjectionFactory.make(PartServiceImpl.class, windowContext);
windowContext.set(PartServiceImpl.class, service);
}
return service;
}
private void addResetItem(final Menu menu) {
final MenuItem resetMenuItem = new MenuItem(menu, SWT.Activate);
resetMenuItem.setText(WorkbenchMessages.PerspectiveBar_reset);
final IWorkbenchWindow workbenchWindow = window.getContext().get(IWorkbenchWindow.class);
workbenchWindow
.getWorkbench()
.getHelpSystem()
.setHelp(resetMenuItem, IWorkbenchHelpContextIds.RESET_PERSPECTIVE_ACTION);
resetMenuItem.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
if (psTB.isDisposed()) return;
IHandlerService handlerService =
(IHandlerService) workbenchWindow.getService(IHandlerService.class);
IStatus status = Status.OK_STATUS;
try {
handlerService.executeCommand(
IWorkbenchCommandConstants.WINDOW_RESET_PERSPECTIVE, null);
} catch (ExecutionException e) {
status = new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, e.getMessage(), e);
} catch (NotDefinedException e) {
status = new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, e.getMessage(), e);
} catch (NotEnabledException e) {
status = new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, e.getMessage(), e);
} catch (NotHandledException e) {
}
if (!status.isOK())
StatusManager.getManager().handle(status, StatusManager.SHOW | StatusManager.LOG);
}
});
}
private void closePerspective(MPerspective persp) {
MWindow win = modelService.getTopLevelWindowFor(persp);
WorkbenchPage page = (WorkbenchPage) win.getContext().get(IWorkbenchPage.class);
String perspectiveId = persp.getElementId();
IPerspectiveDescriptor desc = getDescriptorFor(perspectiveId);
page.closePerspective(desc, perspectiveId, true, false);
// removePerspectiveItem(persp);
}
@Override
public void hostElement(
MUIElement element, MWindow hostWindow, Object uiContainer, IEclipseContext hostContext) {
// This is subtle; unless the element is hooked into the model it won't fire events
hostWindow.getSharedElements().add(element);
element.getTags().add(HOSTED_ELEMENT);
IPresentationEngine renderer = hostWindow.getContext().get(IPresentationEngine.class);
renderer.createGui(element, uiContainer, hostContext);
}
@Override
public void createWidget(MUIElement element, MElementContainer<MUIElement> parent) {
if (element instanceof MWindow) {
MWindow mWindow = (MWindow) element;
Shell shell = new Shell(Display.getCurrent());
shell.setText(mWindow.getLabel());
shell.setLayout(new SimpleTrimLayout());
shell.setBounds(mWindow.getX(), mWindow.getY(), mWindow.getWidth(), mWindow.getHeight());
mWindow.getContext().set(Shell.class, shell);
element.setWidget(shell);
}
}
public void testContextChildren() {
final MWindow window = createWindowWithOneView();
wb = new E4Workbench(window, appContext);
Widget topWidget = (Widget) window.getWidget();
assertTrue(topWidget instanceof Shell);
Shell shell = (Shell) topWidget;
assertEquals("MyWindow", shell.getText());
// should get the window context
IEclipseContext child = appContext.getActiveChild();
assertNotNull(child);
assertEquals(window.getContext(), child);
MPart modelPart = getContributedPart(window);
assertNotNull(modelPart);
assertEquals(window, modelPart.getParent().getParent().getParent());
// "activate" the part, same as (in theory) an
// SWT.Activate event.
AbstractPartRenderer factory = (AbstractPartRenderer) modelPart.getRenderer();
factory.activate(modelPart);
IEclipseContext next = child.getActiveChild();
while (next != null) {
child = next;
next = child.getActiveChild();
if (next == child) {
fail("Cycle detected in part context");
break;
}
}
assertFalse(window.getContext() == child);
MPart contextPart = (MPart) child.get(MPart.class.getName());
assertNotNull(contextPart);
assertEquals(window, contextPart.getParent().getParent().getParent());
}
public static void initializeWindowServices(MWindow childWindow) {
IEclipseContext windowContext = childWindow.getContext();
initWindowContext(windowContext);
// Mostly MWindow contexts are lazily created by renderers and is not
// set at this point.
((EObject) childWindow)
.eAdapters()
.add(
new AdapterImpl() {
@Override
public void notifyChanged(Notification notification) {
if (notification.getFeatureID(MWindow.class) != BasicPackageImpl.WINDOW__CONTEXT)
return;
IEclipseContext windowContext = (IEclipseContext) notification.getNewValue();
initWindowContext(windowContext);
}
});
}
private void activate(MPart part, boolean requiresFocus, boolean activateBranch) {
if (part == null) {
if (constructed && activePart != null) {
firePartDeactivated(activePart);
}
activePart = part;
return;
}
// Delegate activations to a CompositePart's inner part (if any)
if (part instanceof MCompositePart) {
if (part.getContext() != null) {
IEclipseContext pContext = part.getContext();
if (pContext.getActiveLeaf() != null) {
MPart inner = pContext.getActiveLeaf().get(MPart.class);
if (inner != null) {
part = inner;
}
}
}
}
// only activate parts that is under our control
if (!isInContainer(part)) {
return;
}
MWindow window = getWindow();
IEclipseContext windowContext = window.getContext();
// check if the active part has changed or if we are no longer the active window
if (windowContext.getParent().getActiveChild() == windowContext && part == activePart) {
// insert it in the beginning of the activation history, it may not have been inserted
// pending when this service was instantiated
partActivationHistory.prepend(part);
UIEvents.publishEvent(UIEvents.UILifeCycle.ACTIVATE, part);
return;
}
if (contextService != null) {
contextService.deferUpdates(true);
}
if (contextManager != null) {
contextManager.deferUpdates(true);
}
MPart lastActivePart = activePart;
activePart = part;
if (constructed && lastActivePart != null && lastActivePart != activePart) {
firePartDeactivated(lastActivePart);
}
try {
// record any sibling into the activation history if necessary, this will allow it to be
// reselected again in the future as it will be an activation candidate in the future,
// this
// prevents other unrendered elements from being selected arbitrarily which would cause
// unwanted bundle activation
recordStackActivation(part);
delegateBringToTop(part);
window.getParent().setSelectedElement(window);
partActivationHistory.activate(part, activateBranch);
if (requiresFocus) {
IPresentationEngine pe = part.getContext().get(IPresentationEngine.class);
pe.focusGui(part);
}
firePartActivated(part);
UIEvents.publishEvent(UIEvents.UILifeCycle.ACTIVATE, part);
} finally {
if (contextService != null) {
contextService.deferUpdates(false);
}
if (contextManager != null) {
contextManager.deferUpdates(false);
}
}
}
@Before
public void setUp() throws Exception {
appContext = E4Application.createDefaultContext();
appContext.set(E4Workbench.PRESENTATION_URI_ARG, PartRenderingEngine.engineURI);
ems = appContext.get(EModelService.class);
window = ems.createModelElement(MWindow.class);
window.setWidth(500);
window.setHeight(500);
MPartSashContainer sash = ems.createModelElement(MPartSashContainer.class);
window.getChildren().add(sash);
window.setSelectedElement(sash);
MPartStack stack = ems.createModelElement(MPartStack.class);
sash.getChildren().add(stack);
sash.setSelectedElement(stack);
part = ems.createModelElement(MPart.class);
part.setElementId("Part");
part.setLabel("Part");
part.setToolbar(ems.createModelElement(MToolBar.class));
part.setContributionURI(Activator.asURI(PartBackend.class));
stack.getChildren().add(part);
toolControl = ems.createModelElement(MToolControl.class);
toolControl.setElementId("ToolControl");
toolControl.setContributionURI(Activator.asURI(TextField.class));
part.getToolbar().getChildren().add(toolControl);
stack = ems.createModelElement(MPartStack.class);
sash.getChildren().add(stack);
sash.setSelectedElement(stack);
otherPart = ems.createModelElement(MPart.class);
otherPart.setElementId("OtherPart");
otherPart.setLabel("OtherPart");
otherPart.setContributionURI(Activator.asURI(PartBackend.class));
stack.getChildren().add(otherPart);
MApplication application = ems.createModelElement(MApplication.class);
application.getChildren().add(window);
application.setContext(appContext);
appContext.set(MApplication.class, application);
wb = new E4Workbench(application, appContext);
wb.createAndRunUI(window);
eps = window.getContext().get(EPartService.class);
// ensure the parts are populated and the contributions instantiated
eps.activate(part);
eps.activate(otherPart);
processEvents();
// ensure our model backend objects are created
assertNotNull(part.getObject());
assertNotNull(toolControl.getObject());
assertNotNull(otherPart.getObject());
assertNotNull(part.getWidget());
assertNotNull(toolControl.getWidget());
assertNotNull(otherPart.getWidget());
// ensure focus is set to otherPart.text1
eps.activate(otherPart);
processEvents();
assertTrue(((PartBackend) otherPart.getObject()).text1.isFocusControl());
}
