content: /*******************************************************************************
   * Copyright (c) 2000, 2008 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package ts.eclipse.ide.jsdt.internal.ui.actions;
  
  import org.eclipse.core.runtime.Assert;
  import org.eclipse.jface.action.IAction;
  import org.eclipse.jface.action.IMenuManager;
  import org.eclipse.jface.action.MenuManager;
  import org.eclipse.jface.action.Separator;
  import org.eclipse.jface.viewers.ISelection;
  import org.eclipse.jface.viewers.ISelectionChangedListener;
  import org.eclipse.jface.viewers.ISelectionProvider;
  import org.eclipse.ui.IActionBars;
  import org.eclipse.ui.IWorkbenchSite;
  import org.eclipse.ui.actions.ActionGroup;
  import org.eclipse.ui.texteditor.ITextEditorActionConstants;
  import org.eclipse.wst.jsdt.internal.ui.search.SearchMessages;
  import org.eclipse.wst.jsdt.ui.IContextMenuConstants;
  import org.eclipse.wst.jsdt.ui.actions.SelectionDispatchAction;
  
  import ts.eclipse.ide.jsdt.internal.ui.editor.TypeScriptEditor;
  import ts.eclipse.ide.jsdt.ui.actions.ITypeScriptEditorActionDefinitionIds;
  import ts.eclipse.ide.jsdt.ui.actions.TypeScriptActionConstants;
  
  /**
   * Action group that adds the search for references actions to a context menu
   * and the global menu bar.
   * 
   * <p>
   * This class may be instantiated; it is not intended to be subclassed.
   * </p>
   * 
   *
   * Provisional API: This class/interface is part of an interim API that is still
   * under development and expected to change significantly before reaching
   * stability. It is being made available at this early stage to solicit feedback
   * from pioneering adopters on the understanding that any code that uses this
   * API will almost certainly be broken (repeatedly) as the API evolves.
   */
  public class ReferencesSearchGroup extends ActionGroup {
  
  	private static final String MENU_TEXT = SearchMessages.group_references;
  
  	private IWorkbenchSite fSite;
  	private TypeScriptEditor fEditor;
  	private IActionBars fActionBars;
  
  	private String fGroupId;
  
  	// private FindReferencesAction fFindReferencesAction;
  	private FindReferencesInProjectAction fFindReferencesInProjectAction;
  	// private FindReferencesInHierarchyAction fFindReferencesInHierarchyAction;
  	// private FindReferencesInWorkingSetAction
  	// fFindReferencesInWorkingSetAction;
  
  	/**
  	 * Creates a new <code>ReferencesSearchGroup</code>. The group requires that
  	 * the selection provided by the site's selection provider is of type <code>
  	 * org.eclipse.jface.viewers.IStructuredSelection</code>.
  	 * 
  	 * @param site
  	 *            the view part that owns this action group
  	 */
  	public ReferencesSearchGroup(IWorkbenchSite site) {
  		fSite = site;
  		fGroupId = IContextMenuConstants.GROUP_SEARCH;
  
  		// fFindReferencesAction= new FindReferencesAction(site);
  		// fFindReferencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_REFERENCES_IN_WORKSPACE);
  
  		fFindReferencesInProjectAction = new FindReferencesInProjectAction(site);
  		fFindReferencesInProjectAction
  				.setActionDefinitionId(ITypeScriptEditorActionDefinitionIds.SEARCH_REFERENCES_IN_PROJECT);
  
  		// fFindReferencesInHierarchyAction= new
  		// FindReferencesInHierarchyAction(site);
  		// fFindReferencesInHierarchyAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_REFERENCES_IN_HIERARCHY);
  
  		// fFindReferencesInWorkingSetAction= new
  		// FindReferencesInWorkingSetAction(site);
  		// fFindReferencesInWorkingSetAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_REFERENCES_IN_WORKING_SET);
  
  		// register the actions as selection listeners
  		ISelectionProvider provider = fSite.getSelectionProvider();
  		ISelection selection = provider.getSelection();
  		// registerAction(fFindReferencesAction, provider, selection);
  		registerAction(fFindReferencesInProjectAction, provider, selection);
  		// registerAction(fFindReferencesInHierarchyAction, provider,
  		// selection);
  		// registerAction(fFindReferencesInWorkingSetAction, provider,
  		// selection);
  	}
  
  	/**
  	 * Note: This constructor is for internal use only. Clients should not call
  	 * this constructor.
  	 * 
  	 * @param editor
  	 *            the JavaScript editor
  	 */
  	public ReferencesSearchGroup(TypeScriptEditor editor) {
  		Assert.isNotNull(editor);
  		fEditor = editor;
  		fSite = fEditor.getSite();
  		fGroupId = ITextEditorActionConstants.GROUP_FIND;
  
  		// fFindReferencesAction= new FindReferencesAction(editor);
  		// fFindReferencesAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_REFERENCES_IN_WORKSPACE);
  		// fEditor.setAction("SearchReferencesInWorkspace",
  		// fFindReferencesAction); //$NON-NLS-1$
  
  		fFindReferencesInProjectAction = new FindReferencesInProjectAction(fEditor);
  		fFindReferencesInProjectAction
  				.setActionDefinitionId(ITypeScriptEditorActionDefinitionIds.SEARCH_REFERENCES_IN_PROJECT);
  		fEditor.setAction("SearchReferencesInProject", fFindReferencesInProjectAction); //$NON-NLS-1$
  
  		// fFindReferencesInHierarchyAction= new
  		// FindReferencesInHierarchyAction(fEditor);
  		// fFindReferencesInHierarchyAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_REFERENCES_IN_HIERARCHY);
  		// fEditor.setAction("SearchReferencesInHierarchy",
  		// fFindReferencesInHierarchyAction); //$NON-NLS-1$
  
  		// fFindReferencesInWorkingSetAction= new
  		// FindReferencesInWorkingSetAction(fEditor);
  		// fFindReferencesInWorkingSetAction.setActionDefinitionId(IJavaEditorActionDefinitionIds.SEARCH_REFERENCES_IN_WORKING_SET);
  		// fEditor.setAction("SearchReferencesInWorkingSet",
  		// fFindReferencesInWorkingSetAction); //$NON-NLS-1$
  	}
  
  	private void registerAction(SelectionDispatchAction action, ISelectionProvider provider, ISelection selection) {
  		action.update(selection);
  		provider.addSelectionChangedListener(action);
  	}
  
  	/**
  	 * Note: this method is for internal use only. Clients should not call this
  	 * method.
  	 * 
  	 * @return the menu label
  	 */
  	protected String getName() {
  		return MENU_TEXT;
  	}
  
  	/*
  	 * (non-Javadoc) Method declared in ActionGroup
  	 */
  	public void fillActionBars(IActionBars actionBars) {
  		Assert.isNotNull(actionBars);
  		super.fillActionBars(actionBars);
  		fActionBars = actionBars;
  		updateGlobalActionHandlers();
  	}
  
  	private void addAction(IAction action, IMenuManager manager) {
  		if (action.isEnabled()) {
  			manager.add(action);
  		}
  	}
  
  	// private void addWorkingSetAction(IWorkingSet[] workingSets, IMenuManager
  	// manager) {
  	// FindAction action;
  	// if (fEditor != null)
  	// action= new WorkingSetFindAction(fEditor, new
  	// FindReferencesInWorkingSetAction(fEditor, workingSets),
  	// SearchUtil.toString(workingSets));
  	// else
  	// action= new WorkingSetFindAction(fSite, new
  	// FindReferencesInWorkingSetAction(fSite, workingSets),
  	// SearchUtil.toString(workingSets));
  	// action.update(getContext().getSelection());
  	// addAction(action, manager);
  	// }
  	//
  
  	/*
  	 * (non-Javadoc) Method declared on ActionGroup.
  	 */
  	public void fillContextMenu(IMenuManager manager) {
  		MenuManager javaSearchMM = new MenuManager(getName(), IContextMenuConstants.GROUP_SEARCH);
  		// addAction(fFindReferencesAction, javaSearchMM);
  		addAction(fFindReferencesInProjectAction, javaSearchMM);
  		// addAction(fFindReferencesInHierarchyAction, javaSearchMM);
  
  		javaSearchMM.add(new Separator());
  		//
  		// Iterator iter= SearchUtil.getLRUWorkingSets().sortedIterator();
  		// while (iter.hasNext()) {
  		// addWorkingSetAction((IWorkingSet[]) iter.next(), javaSearchMM);
  		// }
  		// addAction(fFindReferencesInWorkingSetAction, javaSearchMM);
  
  		if (!javaSearchMM.isEmpty())
  			manager.appendToGroup(fGroupId, javaSearchMM);
  	}
  
  	/*
  	 * Overrides method declared in ActionGroup
  	 */
  	public void dispose() {
  		ISelectionProvider provider = fSite.getSelectionProvider();
  		if (provider != null) {
  			// disposeAction(fFindReferencesAction, provider);
  			disposeAction(fFindReferencesInProjectAction, provider);
  			// disposeAction(fFindReferencesInHierarchyAction, provider);
  			// disposeAction(fFindReferencesInWorkingSetAction, provider);
  		}
  		// fFindReferencesAction= null;
  		fFindReferencesInProjectAction = null;
  		// fFindReferencesInHierarchyAction= null;
  		// fFindReferencesInWorkingSetAction= null;
  		updateGlobalActionHandlers();
  		super.dispose();
  	}
  
  	private void updateGlobalActionHandlers() {
  		if (fActionBars != null) {
  			// fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_REFERENCES_IN_WORKSPACE,
  			// fFindReferencesAction);
  			fActionBars.setGlobalActionHandler(TypeScriptActionConstants.FIND_REFERENCES_IN_PROJECT,
  					fFindReferencesInProjectAction);
  			// fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_REFERENCES_IN_HIERARCHY,
  			// fFindReferencesInHierarchyAction);
  			// fActionBars.setGlobalActionHandler(JdtActionConstants.FIND_REFERENCES_IN_WORKING_SET,
  			// fFindReferencesInWorkingSetAction);
  		}
  	}
  
  	private void disposeAction(ISelectionChangedListener action, ISelectionProvider provider) {
  		if (action != null)
  			provider.removeSelectionChangedListener(action);
  	}
  }
  