content: /*******************************************************************************
   * Copyright (c) 2007, 2010 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 org.eclipse.wst.jsdt.ui;
  
  import java.util.Hashtable;
  
  import org.eclipse.jface.action.IAction;
  import org.eclipse.jface.viewers.ISelection;
  import org.eclipse.jface.viewers.IStructuredSelection;
  import org.eclipse.swt.widgets.Shell;
  import org.eclipse.ui.IObjectActionDelegate;
  import org.eclipse.ui.IWorkbenchPart;
  import org.eclipse.ui.IWorkbenchSite;
  import org.eclipse.ui.dialogs.PreferencesUtil;
  import org.eclipse.wst.jsdt.core.IJavaScriptProject;
  import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
  import org.eclipse.wst.jsdt.internal.ui.packageview.NamespaceGroup;
  import org.eclipse.wst.jsdt.internal.ui.preferences.BuildPathsPropertyPage;
  import org.eclipse.wst.jsdt.internal.ui.preferences.CodeStylePreferencePage;
  
  
  /**
   * 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 JavaScriptLibrariesAction implements IObjectActionDelegate {
  
  	private IWorkbenchSite fSite;
  	protected IJavaScriptProject project;
  	protected static final Hashtable PROPS_TO_IDS = new Hashtable();
  	
  	{
  		PROPS_TO_IDS.put("org.eclipse.wst.jsdt.internal.ui.configure.scope",  BuildPathsPropertyPage.PROP_ID); //$NON-NLS-1$
  		PROPS_TO_IDS.put("org.eclipse.wst.jsdt.internal.ui.configure.javascript.properties",  CodeStylePreferencePage.PROP_ID); //$NON-NLS-1$
  		PROPS_TO_IDS.put("org.eclipse.wst.jsdt.internal.ui.configure.source.folders", BuildPathsPropertyPage.PROP_ID); //$NON-NLS-1$
  		//PROPS_TO_IDS.put("",  BuildPathsPropertyPage.PROP_ID);
  		//PROPS_TO_IDS.put("",  BuildPathsPropertyPage.PROP_ID);
  		
  		
  		
  	}
  	
  
  	public void setActivePart(IAction arg0, IWorkbenchPart arg1) {
  		fSite = arg1.getSite();
  
  	}
  
  
  	public void run(IAction arg0) {
  		Object data = null;
  		String ID = arg0.getId();
  		String propertyPage = (String)PROPS_TO_IDS.get(ID);
  		
  		PreferencesUtil.createPropertyDialogOn(getShell(), project, propertyPage , null, data).open();
  		
  
  	}
  
  
  	public void selectionChanged(IAction arg0, ISelection arg1) {
  		if (arg1 instanceof IStructuredSelection) {
  			IStructuredSelection selection = (IStructuredSelection) arg1;
  			Object item = selection.getFirstElement();
  
  			if (item instanceof NamespaceGroup) {
  				item = ((NamespaceGroup) item).getPackageFragmentRoot();
  			}
  			if (item instanceof ProjectLibraryRoot) {
  				ProjectLibraryRoot root = ((ProjectLibraryRoot) item);
  				project = root.getProject();
  			}
  		}
  
  	}
  	
  	protected Shell getShell() {
  		if (fSite == null)
  			return JavaScriptPlugin.getActiveWorkbenchShell();
  		
  	    return fSite.getShell() != null ? fSite.getShell() : JavaScriptPlugin.getActiveWorkbenchShell();
      }
  
  }
  