org.eclipse.e4.ui.tests.application.UIStartupTest.java Source code

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Here is the source code for org.eclipse.e4.ui.tests.application.UIStartupTest.java

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/*******************************************************************************
 * Copyright (c) 2009, 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.e4.ui.tests.application;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.ui.internal.workbench.swt.ResourceUtility;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.ui.MContext;
import org.eclipse.e4.ui.model.application.ui.MElementContainer;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.basic.MWindowElement;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.e4.ui.services.IStylingEngine;
import org.eclipse.e4.ui.workbench.IResourceUtilities;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.widgets.Display;
import org.w3c.dom.css.CSSStyleDeclaration;

public abstract class UIStartupTest extends HeadlessApplicationTest {

    protected Display display;

    @Override
    protected void setUp() throws Exception {
        display = Display.getDefault();
        super.setUp();
        while (display.readAndDispatch())
            ;
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
    }

    @Override
    protected boolean needsActiveChildEventHandling() {
        return false;
    }

    @Override
    protected String getEngineURI() {
        return "bundleclass://org.eclipse.e4.ui.workbench.swt/org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine"; //$NON-NLS-1$
    }

    @Override
    public void testGet_ActiveChild() throws Exception {
        IEclipseContext context = application.getContext();

        assertNotNull(context.getActiveChild());
    }

    public void testGet_ActiveShell() throws Exception {
        IEclipseContext context = application.getContext();

        assertNull(context.get(IServiceConstants.ACTIVE_SHELL));
    }

    @Override
    public void testGet_ActivePart() throws Exception {
        IEclipseContext context = application.getContext();

        assertNotNull(context.get(IServiceConstants.ACTIVE_PART));
    }

    public void testGet_ActiveContexts2() throws Exception {
        IEclipseContext context = getActiveChildContext(application);

        assertNotNull(context.get(IServiceConstants.ACTIVE_CONTEXTS));
    }

    public void testGet_Selection2() throws Exception {
        IEclipseContext context = getActiveChildContext(application);

        assertNull(context.get(IServiceConstants.ACTIVE_SELECTION));
    }

    public void testGet_ActiveChild2() throws Exception {
        IEclipseContext context = getActiveChildContext(application);

        assertNotNull(context.getActiveChild());
    }

    public void testGet_ActivePart2() throws Exception {
        IEclipseContext context = getActiveChildContext(application);

        assertNotNull(context.get(IServiceConstants.ACTIVE_PART));
    }

    public void testGet_ActiveShell2() throws Exception {
        IEclipseContext context = getActiveChildContext(application);

        assertNull(context.get(IServiceConstants.ACTIVE_SHELL));
    }

    public void testGetFirstPart_GetContext() {
        // need to wrap this since the renderer will try build the UI for the
        // part if it hasn't been built
        Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
            public void run() {
                UIStartupTest.super.testGetFirstPart_GetContext();
            }
        });
    }

    public void testGetSecondPart_GetContext() {
        // need to wrap this since the renderer will try build the UI for the
        // part if it hasn't been built
        Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
            public void run() {
                UIStartupTest.super.testGetSecondPart_GetContext();
            }
        });
    }

    // @Override
    // public void test_SwitchActiveChildInContext() {
    // // need to wrap this since the renderer will try build the UI for the
    // // part if it hasn't been built
    // Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
    // public void run() {
    // UIStartupTest.super.test_SwitchActiveChildInContext();
    // }
    // });
    // }

    private static MWindowElement getNonContainer(MWindowElement activeChild) {
        if (activeChild instanceof MElementContainer<?>) {
            activeChild = (MWindowElement) ((MElementContainer<?>) activeChild).getSelectedElement();
            assertNotNull(activeChild);

            activeChild = getNonContainer(activeChild);
        }
        return activeChild;
    }

    private static IEclipseContext getActiveChildContext(MApplication application) {
        MWindowElement nonContainer = getNonContainer(application.getSelectedElement().getSelectedElement());
        return ((MContext) nonContainer).getContext();
    }

    @Override
    protected IEclipseContext createApplicationContext() {
        final IEclipseContext[] contexts = new IEclipseContext[1];
        Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
            public void run() {
                contexts[0] = UIStartupTest.super.createApplicationContext();
                contexts[0].set(IResourceUtilities.class.getName(), new ResourceUtility());
                contexts[0].set(IStylingEngine.class.getName(), new IStylingEngine() {
                    public void style(Object widget) {
                        // no-op
                    }

                    public void setId(Object widget, String id) {
                        // no-op
                    }

                    public void setClassname(Object widget, String classname) {
                        // no-op
                    }

                    public CSSStyleDeclaration getStyle(Object widget) {
                        // TODO Auto-generated method stub
                        return null;
                    }

                    public void setClassnameAndId(Object widget, String classname, String id) {
                        // no-op
                    }
                });
            }
        });
        return contexts[0];
    }

    protected void createGUI(final MUIElement uiRoot) {
        Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
            public void run() {
                UIStartupTest.super.createGUI(uiRoot);
            }
        });
    }

}