/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.tests.navigator;

import java.util.HashSet;

import junit.framework.Assert;

import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;

import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.ui.internal.WorkbenchWindow;

/**
 * The DuplicateMenuItemTest is a class for testing the popups
 * and window menus for the navigator to check for duplicate menu
 * entries.
 */
public class DuplicateMenuItemTest extends AbstractNavigatorTest {

	/**
	 * Constructor for DuplicateMenuItemTest.
	 * @param testName
	 */
	public DuplicateMenuItemTest(String testName) {
		super(testName);
	}

	public void testSelection() {

		IStructuredSelection selection = new StructuredSelection(testProject);
		checkSelection(selection);
		selection = new StructuredSelection(testFolder);
		checkSelection(selection);
		selection = new StructuredSelection(testFile);
		checkSelection(selection);
	}
	
	private void checkMenu(Menu menu, String menuName) {
		
		MenuItem[] items = menu.getItems();
		HashSet labels = new HashSet();
		for (int i = 0; i < items.length; i++) {
			String label = items[i].getText();
			System.out.println(label);
			Assert.assertTrue(
				"Duplicate menu entry in: " + menuName + " " + label,
				!labels.contains(label));
			if(items[i].getMenu() != null)
				checkMenu(items[i].getMenu(),label);
		}
		
	}


	private void checkWorkbenchMenu() {

		MenuManager workbenchManager =
			((WorkbenchWindow) navigator.getViewSite().getWorkbenchWindow())
				.getMenuManager();

		checkMenu(workbenchManager.getMenu(), "Workbench");
	}


	private void checkSelection(IStructuredSelection selection) {
		navigator.selectReveal(selection);
		checkWorkbenchMenu();
	}
	
	/**
	 * Sets up the hierarchy.
	 */
	protected void doSetUp() throws Exception {
		super.doSetUp();
		createTestFile();
		showNav();
	}

}