Bug 304929 [CommonNavigator] Unused method in NavigatorContentService
/** * Search for extensions that declare the given element in their * <b>triggerPoint</b> expression. * * @param anElement * The element to use in the query * @return The set of {@link INavigatorContentExtension}s that are * <i>visible</i> and <i>active</i> for this content service and * have a <b>triggerPoint</b> expression that is <i>enabled</i> * for the given element. */ public Set findOverrideableContentExtensionsByTriggerPoint(Object anElement) { Set overrideableExtensions = new TreeSet( ExtensionPriorityComparator.INSTANCE); Set descriptors = findDescriptorsByTriggerPoint(anElement, !CONSIDER_OVERRIDES); for (Iterator iter = descriptors.iterator(); iter.hasNext();) { INavigatorContentDescriptor descriptor = (INavigatorContentDescriptor) iter .next(); if (descriptor.hasOverridingExtensions()) { overrideableExtensions.add(getExtension(descriptor)); } } return overrideableExtensions; }
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorContentService.java
viewerDescriptor = VIEWER_DESCRIPTOR_REGISTRY
				.getNavigatorViewerDescriptor(aViewerId);
		assistant = new VisibilityAssistant(viewerDescriptor,
				getActivationService());
		getActivationService().addExtensionActivationListener(this);
		contributionMemory = new HashMap();
		contributionMemoryFirstClass = new HashMap();
	}
	/**
	 * @param aViewerId
	 *            The viewer id for this content service; normally from the
	 *            <b>org.eclipse.ui.views</b> extension.
	 * @param aViewer
	 *            The viewer that this content service will be associated with.
	 */
	public NavigatorContentService(String aViewerId, StructuredViewer aViewer) {
		this(aViewerId);
		structuredViewerManager = new StructuredViewerManager(aViewer, this);
	}
	public String[] getVisibleExtensionIds() {
		List visibleExtensionIds = new ArrayList();
		NavigatorContentDescriptor[] descriptors = CONTENT_DESCRIPTOR_REGISTRY
				.getAllContentDescriptors();
		for (int i = 0; i < descriptors.length; i++) {
			if (assistant.isVisible(descriptors[i].getId())) {
				visibleExtensionIds.add(descriptors[i].getId());
			}
		}
		if (visibleExtensionIds.isEmpty()) {
			return NO_EXTENSION_IDS;