/** * Returns a Map with the current state for the specific event if specified. * * @param event the current event - possibly <code>null</code> * @return a Map with the current state */ public Map<String, Object> getCurrentState(final Event event) { final Map<String, Object> map = new HashMap<String, Object>(); final List<IObservableValue> values = new ArrayList<IObservableValue>(); resetMap(map); if (event.type == SWT.MenuDetect) { // LogUtils.debug(event, "MenuDetect"); } try { myLastBinding = IBindingContext.Factory.getBindingForWidget(event.widget); if (myLastBinding == null) return map; map.put(Constants.SOURCES_ACTIVE_CONTEXT, myLastBinding.getContext()); final ISourceProviderStateContext context = new ISourceProviderStateContext() { @Override public Event getEvent() { return event; } private Point myLocation = null; @Override public Point getLocation() { if (myLocation == null) { myLocation = new Point(event.x, event.y); switch (event.type) { case SWT.MenuDetect: /* * The location is relative to the display */ myLocation = event.widget.getDisplay().map(null, (Control) event.widget, myLocation); break; default: break; } } return myLocation; } @Override public Map<String, Object> getState() { return map; } @Override public void putSourceValue(String name, Object value) { map.put(name, value); } @Override public void addObservedValue(IObservableValue value) { values.add(value); } @Override public void setSelectionProvider(ISelectionProvider provider) { if (provider == myCurrentSelectionProvider) return; if (myCurrentSelectionProvider != null) { myCurrentSelectionProvider.removeSelectionChangedListener( myCurrentSelectionProviderListener); } myCurrentSelectionProvider = provider; if (myCurrentSelectionProvider != null) { myCurrentSelectionProvider.addSelectionChangedListener( myCurrentSelectionProviderListener); } } }; try { myLastBinding.updateSourceProviderState(context); } catch (final Exception ex) { LogUtils.error(myLastBinding, ex); } /* * If the active binding is a value binding, run all extenders as well... */ final Object activeBinding = map.get(Constants.SOURCES_ACTIVE_BINDING); if (activeBinding instanceof IValueBinding) { final IValueBinding vb = (IValueBinding) activeBinding; for (final IUIBindingDecoratorExtenderDescriptor d : IManager.Factory.getManager().getDecoratorExtenders()) { final CEObjectHolder<IUIBindingDecoratorExtender> factory = d.getFactory(); final IUIBindingDecoratorExtender extender = factory.getObject(); if (extender == null) { LogUtils.error(factory.getConfigurationElement(), "Cannot create extender"); continue; } try { if (!extender.isEnabled(vb)) { continue; } extender.updateSourceProviderState(vb, context); } catch (final Exception ex) { LogUtils.error(factory.getConfigurationElement(), ex); } } } observe(event, values); } catch (final Exception ex) { LogUtils.error(this, ex); } return map; }