/*******************************************************************************
 * Copyright (c) 2004, 2011 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.performance.layout;

import junit.framework.Assert;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.WorkbenchException;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.internal.EditorSite;
import org.eclipse.ui.tests.harness.util.EmptyPerspective;
import org.eclipse.ui.tests.harness.util.UITestCase;
import org.eclipse.ui.tests.performance.UIPerformanceTestSetup;

/**
 * @since 3.1
 */
public class EditorWidgetFactory extends TestWidgetFactory {

    private String editorId;
    private String filename;
    private IWorkbenchWindow window;
    private Composite ctrl;

    public EditorWidgetFactory(String filename) {
        this.filename = filename;
        this.editorId = null;
    }

    public EditorWidgetFactory(String filename, String editorId) {
        this.filename = filename;
        this.editorId = editorId;
    }

    public static Composite getControl(IEditorPart part) {
		EditorSite site = (EditorSite)part.getSite();
		MPart modelPart = site.getModel();
		return (Composite) modelPart.getWidget();
    }

    @Override
	public String getName() {
        return "editor " + filename + (editorId != null ? editorId : "");
    }

    @Override
	public void init() throws CoreException, WorkbenchException {

		// Open an editor in a new window.
        window = PlatformUI.getWorkbench().openWorkbenchWindow(EmptyPerspective.PERSP_ID, UITestCase.getPageInput());
		IWorkbenchPage activePage = window.getActivePage();
        Assert.assertNotNull(activePage);

        IWorkspace workspace = ResourcesPlugin.getWorkspace();
        IProject testProject = workspace.getRoot().getProject(UIPerformanceTestSetup.PROJECT_NAME);
        IFile file = testProject.getFile(filename);

        if (editorId == null) {
            editorId = IDE.getEditorDescriptor(file).getId();
        }

        IEditorPart part = IDE.openEditor(activePage, file, editorId, true);
        ctrl = getControl(part);
    }

    @Override
	public Composite getControl() throws CoreException, WorkbenchException {
        return ctrl;
    }

    @Override
	public void done() throws CoreException, WorkbenchException {
    	window.close();
    	super.done();
    }

}