/*******************************************************************************
 * 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();
    }

}