/*******************************************************************************
 * Copyright (c) 2000, 2004 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.ui.tests.internal;

import org.eclipse.jface.action.MenuManager;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.tests.api.ListElement;
import org.eclipse.ui.tests.api.ListView;
import org.eclipse.ui.tests.harness.util.ActionUtil;
import org.eclipse.ui.tests.harness.util.UITestCase;

/**
 * This class contains tests for popup menu enablement
 */
public abstract class ActionExpressionTest extends UITestCase {
    protected IWorkbenchWindow fWindow;

    protected IWorkbenchPage fPage;

    protected String VIEW_ID = "org.eclipse.ui.tests.internal.ActionExpressionTest";

    ListElement red = new ListElement("red");

    ListElement blue = new ListElement("blue");

    ListElement redTrue = new ListElement("red", true);

    public ActionExpressionTest(String testName) {
        super(testName);
    }

    protected void doSetUp() throws Exception {
        super.doSetUp();
        fWindow = openTestWindow();
        fPage = fWindow.getActivePage();
    }

    public void testAllAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Test null selection.
        selectAndUpdateMenu(view, null, mgr);
        testAction(mgr, "allAction_v2", false);

        // Test red selection.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "allAction_v2", true);

        // Test blue selection.
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "allAction_v2", true);

        // Test red + true selection.
        selectAndUpdateMenu(view, redTrue, mgr);
        testAction(mgr, "allAction_v2", true);
    }

    public void testRedAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Test null selection.
        selectAndUpdateMenu(view, null, mgr);
        testAction(mgr, "redAction_v2", false);

        // Test red selection.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "redAction_v2", true);

        // Test blue selection.
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "redAction_v2", false);

        // Test red + true selection.
        selectAndUpdateMenu(view, redTrue, mgr);
        testAction(mgr, "redAction_v2", true);
    }

    public void testNotRedAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Test null selection.
        selectAndUpdateMenu(view, null, mgr);
        testAction(mgr, "notRedAction_v2", false);

        // Test red selection.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "notRedAction_v2", false);

        // Test blue selection.
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "notRedAction_v2", true);

        // Test red + true selection.
        selectAndUpdateMenu(view, redTrue, mgr);
        testAction(mgr, "notRedAction_v2", false);
    }

    public void testTrueAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Test null selection.
        selectAndUpdateMenu(view, null, mgr);
        testAction(mgr, "trueAction_v2", false);

        // Test red selection.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "trueAction_v2", false);

        // Test blue selection.
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "trueAction_v2", false);

        // Test red + true selection.
        selectAndUpdateMenu(view, redTrue, mgr);
        testAction(mgr, "trueAction_v2", true);
    }

    public void testRedOrBlueAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Test null selection.
        selectAndUpdateMenu(view, null, mgr);
        testAction(mgr, "redOrBlueAction_v2", false);

        // Test red selection.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "redOrBlueAction_v2", true);

        // Test blue selection.
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "redOrBlueAction_v2", true);

        // Test red + true selection.
        selectAndUpdateMenu(view, redTrue, mgr);
        testAction(mgr, "redOrBlueAction_v2", true);
    }

    public void testRedAndTrueAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Test null selection.
        selectAndUpdateMenu(view, null, mgr);
        testAction(mgr, "redAndTrueAction_v2", false);

        // Test red selection.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "redAndTrueAction_v2", false);

        // Test blue selection.
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "redAndTrueAction_v2", false);

        // Test red + true selection.
        selectAndUpdateMenu(view, redTrue, mgr);
        testAction(mgr, "redAndTrueAction_v2", true);
    }

    public void testPluginStateActions() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Open the menu and test actions.
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "pluginNotInstalledAction_v2", false);
        testAction(mgr, "pluginInstalledAction_v2", true);
        testAction(mgr, "pluginNotActivatedAction_v2", false);
        testAction(mgr, "pluginActivatedAction_v2", true);
    }

    public void testSystemPropertyAction() throws Throwable {
        // Setup.
        ListView view = showListView();
        MenuManager mgr = getActionMenuManager(view);

        // Clear the system property, refresh the menu,
        // and test the action.
        System.setProperty("ActionExpressionVar", "");
        selectAndUpdateMenu(view, red, mgr);
        testAction(mgr, "systemPropertyAction_v2", false);

        // Set the system property, refresh the menu,
        // and test the action.
        System.setProperty("ActionExpressionVar", "bubba");
        selectAndUpdateMenu(view, blue, mgr);
        testAction(mgr, "systemPropertyAction_v2", true);
    }

    /**
     * Creates the list view.
     */
    protected ListView showListView() throws Throwable {
        ListView view = (ListView) (fPage.showView(VIEW_ID));
        red = new ListElement("red");
        blue = new ListElement("blue");
        redTrue = new ListElement("red", true);
        view.addElement(red);
        view.addElement(blue);
        view.addElement(redTrue);
        return view;
    }

    /**
     * Select an object and fire about to show.
     */
    protected void selectAndUpdateMenu(ListView view, ListElement element,
            MenuManager mgr) throws Throwable {
        view.selectElement(element);
        ActionUtil.fireAboutToShow(mgr);
    }

    /**
     * Returns the menu manager containing the actions.
     */
    protected abstract MenuManager getActionMenuManager(ListView view)
            throws Throwable;

    /**
     * Tests the enablement / visibility of an action.
     */
    protected abstract void testAction(MenuManager mgr, String action,
            boolean expected) throws Throwable;
}