private void fillArgs(Object[] actualArgs, String[] keys, boolean[] active) {
for (int i = 0; i < keys.length; i++) {
if (keys[i] == null) continue;
IEclipseContext targetContext = (active[i]) ? context.getActiveLeaf() : context;
if (ECLIPSE_CONTEXT_NAME.equals(keys[i])) actualArgs[i] = targetContext;
else if (targetContext.containsKey(keys[i])) actualArgs[i] = targetContext.get(keys[i]);
}
}
private IEclipseContext prepareContext() {
final IEclipseContext parentContext =
(IEclipseContext) getSite().getService(IEclipseContext.class);
final IEclipseContext context = parentContext.getActiveLeaf();
context.set(RedProjectEditorInput.class, editorInput);
context.set(IEditorSite.class, getEditorSite());
context.set(RedProjectEditor.class, this);
ContextInjectionFactory.inject(this, context);
return context;
}
/**
* Dispatch the given object to a dispatch handler if a matching filter can be found for the
* object's class. The dispatch handler is instantiated using the {@link ContextInjectionFactory},
* which injects the handler using the provided context.
*
* @param object Object to dispatch
* @param intent Intent that loaded the dispatched object, <code>null</code> if object is not the
* result of an intent
* @param context Context to use for injection into the handler
* @return True if a dispatch handler was found to handle the object
*/
public boolean dispatch(Object object, Intent intent, IEclipseContext context) {
if (object == null) {
return false;
}
DispatchFilter filter = findFilter(object);
Class<? extends IDispatchHandler> handlerClass = filter == null ? null : filter.getHandler();
if (handlerClass == null) {
logger.error("Could not find dispatch handler for object: " + object); // $NON-NLS-1$
return false;
}
IEclipseContext activeLeaf = context.getActiveLeaf();
IEclipseContext child = activeLeaf.createChild();
IDispatchHandler handler = ContextInjectionFactoryThreadSafe.make(handlerClass, child);
handler.handle(object, intent);
return true;
}
@Override
public void dispose() {
final IEclipseContext parentContext =
(IEclipseContext) getEditorSite().getService(IEclipseContext.class);
final IEclipseContext context = parentContext.getActiveLeaf();
for (final IEditorPart part : parts) {
ContextInjectionFactory.uninject(part, context);
}
if (resourceListener != null) {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceListener);
}
super.dispose();
SwtThread.asyncExec(
new Runnable() {
@Override
public void run() {
final IDecoratorManager manager = PlatformUI.getWorkbench().getDecoratorManager();
manager.update(RobotValidationExcludedDecorator.ID);
}
});
}
@Override
public boolean update(IEclipseContext eventsContext, int eventType, Object[] extraArguments) {
if (eventType == ContextChangeEvent.INITIAL) {
// needs to be done inside runnable to establish dependencies
for (int i = 0; i < keys.length; i++) {
if (keys[i] == null) continue;
IEclipseContext targetContext = (active[i]) ? context.getActiveLeaf() : context;
if (ECLIPSE_CONTEXT_NAME.equals(keys[i])) {
result[i] = targetContext;
IEclipseContext parent = targetContext.getParent(); // creates pseudo-link
if (parent == null)
targetContext.get(ECLIPSE_CONTEXT_NAME); // pseudo-link in case there is no parent
} else if (targetContext.containsKey(keys[i])) result[i] = targetContext.get(keys[i]);
}
return true;
}
if (eventType == ContextChangeEvent.DISPOSE) {
if (eventsContext == context) {
ContextObjectSupplier originatingSupplier =
eventsContext.getLocal(ContextObjectSupplier.class);
requestor.disposed(originatingSupplier);
return false;
}
} else if (eventType == ContextChangeEvent.UNINJECTED) {
if (eventsContext == context) {
ContextObjectSupplier originatingSupplier =
eventsContext.getLocal(ContextObjectSupplier.class);
return requestor.uninject(extraArguments[0], originatingSupplier);
}
} else {
if (!requestor.isValid()) return false; // remove this listener
requestor.resolveArguments(false);
requestor.execute();
}
return true;
}
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);
}
}
}
/**
* @param context the context to start the lookup process
* @param commandId
* @return a handler, or <code>null</code>
*/
public static Object lookUpHandler(IEclipseContext context, String commandId) {
return context.getActiveLeaf().get(H_ID + commandId);
}
public IEclipseContext getExecutionContext() {
return context.getActiveLeaf();
}
