/*
 * Copyright (c) 2012, 2013 Hemanta Sapkota.
 * 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:
 * Hemanta Sapkota (laex.pearl@gmail.com)
 */
package com.laex.cg2d.core;

import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;

/**
 * This class controls all aspects of the application's execution.
 */
public class Application implements IApplication {

  /*
   * (non-Javadoc)
   * 
   * @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.
   * IApplicationContext)
   */
  public Object start(IApplicationContext context) {
    Display display = PlatformUI.createDisplay();
    try {
      int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
      if (returnCode == PlatformUI.RETURN_RESTART) {
        return IApplication.EXIT_RESTART;
      }
      return IApplication.EXIT_OK;
    } finally {
      display.dispose();
    }
  }

  /*
   * (non-Javadoc)
   * 
   * @see org.eclipse.equinox.app.IApplication#stop()
   */
  public void stop() {
    if (!PlatformUI.isWorkbenchRunning())
      return;
    final IWorkbench workbench = PlatformUI.getWorkbench();
    final Display display = workbench.getDisplay();
    display.syncExec(new Runnable() {
      public void run() {
        if (!display.isDisposed())
          workbench.close();
      }
    });
  }
}