DemoContentHandler.java

/*
  DemoContentHandler.java

  (c) 2013 Ed Swartz

  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
 */
package v9t9.gui.client.swt.handlers;

import java.io.IOException;

import org.eclipse.jface.resource.ImageDescriptor;

import v9t9.common.client.IEmulatorContentHandler;
import v9t9.common.demos.DemoContentSource;
import v9t9.common.demos.IDemo;
import v9t9.common.events.NotifyException;
import v9t9.common.machine.IMachine;

/**
 * @author ejs
 *
 */
public class DemoContentHandler implements IEmulatorContentHandler {

	private IMachine machine;
	private IDemo demo;

	/**
	 * @param machine
	 */
	public DemoContentHandler(DemoContentSource source) {
		this.machine = source.getMachine();
		this.demo = source.getContent();
	}

	/* (non-Javadoc)
	 * @see v9t9.common.client.IEmulatorContentHandler#getImage(v9t9.common.client.IEmulatorContentSource)
	 */
	@Override
	public ImageDescriptor getImage() {
		return null;
	}
	
	/* (non-Javadoc)
	 * @see v9t9.common.client.IEmulatorContentHandler#getLabel(v9t9.common.client.IEmulatorContentSource)
	 */
	@Override
	public String getLabel() {
		return "Play demo: " + demo.getName();
	}
	
	/* (non-Javadoc)
	 * @see v9t9.common.client.IEmulatorContentHandler#getDescription(v9t9.common.client.IEmulatorContentSource)
	 */
	@Override
	public String getDescription() {
		return "Pauses the emulator to play back the given demo.";
	}
	
	/* (non-Javadoc)
	 * @see v9t9.common.client.IEmulatorContentHandler#handleContent(v9t9.common.client.IEmulatorContentSource)
	 */
	@Override
	public void handleContent() throws NotifyException {
		try {
			machine.getDemoHandler().startPlayback(demo.getURI());
		} catch (IOException e) {
			throw new NotifyException(null, "Failed to play demo", e);
		}
	}

	/* (non-Javadoc)
	 * @see v9t9.common.client.IEmulatorContentHandler#requireConfirmation()
	 */
	@Override
	public boolean requireConfirmation() {
		return true;
	}

}