ScribbleClient.java

/*******************************************************************************
 * Copyright (c) 2004 Composent, Inc. 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: Composent, Inc. - initial API and implementation
 ******************************************************************************/
package org.eclipse.ecf.tutorial.scribbleshare;

import java.util.HashMap;
import org.eclipse.ecf.core.ContainerFactory;
import org.eclipse.ecf.core.IContainer;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.identity.IDFactory;
import org.eclipse.ecf.core.util.ECFException;
import org.eclipse.ecf.datashare.IChannel;
import org.eclipse.ecf.datashare.IChannelContainerAdapter;
import org.eclipse.ecf.datashare.IChannelListener;
import org.eclipse.ecf.datashare.events.IChannelEvent;
import org.eclipse.ecf.datashare.events.IChannelMessageEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;

public class ScribbleClient {
	protected static final String CONTAINER_TYPE = "ecf.generic.channel";
	protected static final String TARGET_SERVER = "ecftcp://localhost:3282/server";
	protected static final String CHANNEL_ID = "scribble";
	
	IContainer container = null;
	ScribbleView scribbleView = null;
	
	protected void createChannel() throws ECFException {
		// Get IChannelContainerAdapter adapter
		IChannelContainerAdapter channelContainer = (IChannelContainerAdapter) container
				.getAdapter(IChannelContainerAdapter.class);
		// Create channel ID with fixed name 'channel2'
		final ID channelID = IDFactory.getDefault().createID(
				channelContainer.getChannelNamespace(), CHANNEL_ID);
		// Setup listener so then when channelmessageevents are received that
		// they present in UI
		final IChannelListener channelListener = new IChannelListener() {
			public void handleChannelEvent(final IChannelEvent event) {
				if (event instanceof IChannelMessageEvent) {
					IChannelMessageEvent msg = (IChannelMessageEvent) event;
					scribbleView.handleDrawLine(msg.getData());
				}
			}
		};
		// Create new channel
		IChannel channel = channelContainer.createChannel(channelID,
				channelListener, new HashMap());
		// Set the view to use the given channel (for sending)
		scribbleView.setChannel(channel);
	}
	protected void openScribbleView() {
		Display.getDefault().syncExec(new Runnable() {
			public void run() {
				try {
					IWorkbenchWindow ww = PlatformUI.getWorkbench()
							.getActiveWorkbenchWindow();
					IWorkbenchPage wp = ww.getActivePage();
					IViewPart view = wp
							.showView("org.eclipse.ecf.tutorial.paintshare");
					// setup member variable with view
					scribbleView = (ScribbleView) view;
				} catch (Exception e) {
					e.printStackTrace();
					return;
				}
			}
		});
	}
	public void createAndConnect() throws ECFException {
		// create container instance from ECF ContainerFactory
		container = ContainerFactory.getDefault().createContainer(
				CONTAINER_TYPE);
		// open scribble view
		openScribbleView();
		// create channel
		createChannel();
		// create target ID
		// connect container to target
		container.connect(IDFactory.getDefault().createID(
				container.getConnectNamespace(), TARGET_SERVER), null);
	}
}