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 org.eclipse.wst.jsdt.internal.ui.search;
  
  import org.eclipse.jface.action.IAction;
  import org.eclipse.jface.viewers.ISelection;
  import org.eclipse.search.ui.NewSearchUI;
  import org.eclipse.swt.widgets.Shell;
  import org.eclipse.ui.IWorkbenchWindow;
  import org.eclipse.ui.IWorkbenchWindowActionDelegate;
  import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
  
  /**
   * Opens the Search Dialog and brings the Java search page to front
   */
  public class OpenJavaSearchPageAction implements IWorkbenchWindowActionDelegate {
  
  	private static final String JAVA_SEARCH_PAGE_ID= "org.eclipse.wst.jsdt.ui.JavaSearchPage"; //$NON-NLS-1$
  
  	private IWorkbenchWindow fWindow;
  
  	public OpenJavaSearchPageAction() {
  	}
  
  	public void init(IWorkbenchWindow window) {
  		fWindow= window;
  	}
  
  	public void run(IAction action) {
  		if (fWindow == null || fWindow.getActivePage() == null) {
  			beep();
  			JavaScriptPlugin.logErrorMessage("Could not open the search dialog - for some reason the window handle was null"); //$NON-NLS-1$
  			return;
  		}
  		NewSearchUI.openSearchDialog(fWindow, JAVA_SEARCH_PAGE_ID);
  	}
  
  	public void selectionChanged(IAction action, ISelection selection) {
  		// do nothing since the action isn't selection dependent.
  	}
  
  	public void dispose() {
  		fWindow= null;
  	}
  
  	protected void beep() {
  		Shell shell= JavaScriptPlugin.getActiveWorkbenchShell();
  		if (shell != null && shell.getDisplay() != null)
  			shell.getDisplay().beep();
  	}	
  }
  