/****************************************************************************
 * Copyright (c) 2004 Composent, Inc. 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:
 *    Composent, Inc. - initial API and implementation
 *****************************************************************************/

package org.eclipse.ecf.example.collab.share.url;

import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.sharedobject.ISharedObjectConfig;
import org.eclipse.ecf.core.sharedobject.ReplicaSharedObjectDescription;
import org.eclipse.ecf.core.sharedobject.SharedObjectInitException;
import org.eclipse.ecf.example.collab.share.GenericSharedObject;
import org.eclipse.ecf.internal.example.collab.ClientPlugin;
import org.eclipse.ecf.internal.example.collab.Messages;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import org.eclipse.ui.browser.IWorkbenchBrowserSupport;

public class ShowURLSharedObject extends GenericSharedObject {

	private ID receiver;
	private String url;

	// Host
	public ShowURLSharedObject(ID rcvr, String url) {
		this.receiver = rcvr;
		this.url = url;
	}

	public ShowURLSharedObject() {

	}

	public void init(ISharedObjectConfig config)
			throws SharedObjectInitException {
		super.init(config);
		Map props = config.getProperties();
		Object[] args = (Object[]) props.get(ARGS_PROPERTY_NAME);
		if (args != null && args.length > 1) {
			receiver = (ID) args[0];
			url = (String) args[1];
		}
	}

	public ShowURLSharedObject(String url) {
		this.url = url;
	}

	protected String getURL() {
		return url;
	}

	protected ReplicaSharedObjectDescription getReplicaDescription(
			ID remoteMember) {
		Object args[] = { receiver, url };
		HashMap map = new HashMap();
		map.put(ARGS_PROPERTY_NAME, args);
		return new ReplicaSharedObjectDescription(getClass(), getID(),
				getHomeContainerID(), map, getNextReplicateID());
	}

	protected void replicate(ID remoteMember) {
		// If we don't have a specific receiver, simply allow superclass to
		// handle replication.
		if (receiver == null) {
			super.replicate(remoteMember);
			return;
		}
		// If we do have a specific receiver, only send create message to the
		// specific receiver
		// if we're replicating on activation
		else if (remoteMember == null) {
			try {
				ReplicaSharedObjectDescription createInfo = getReplicaDescription(receiver);
				if (createInfo != null)
					getContext().sendCreate(receiver, createInfo);
			} catch (IOException e) {
				log("Exception in replicateSelf", e); //$NON-NLS-1$
			}
		}
	}

	public void activated(ID[] others) {
		if (!getContext().isGroupManager()) {
			Display.getDefault().asyncExec(new Runnable() {
				public void run() {
					IWorkbenchBrowserSupport support = PlatformUI
							.getWorkbench().getBrowserSupport();
					IWebBrowser browser;
					try {
						browser = support.createBrowser(null);
						browser.openURL(new URL(url));
					} catch (Exception e) {
						MessageDialog.openError(null, Messages.ShowURLSharedObject_MSGBOX_OPENURL_ERROR_TITLE, NLS
								.bind(Messages.ShowURLSharedObject_MSGBOX_OPENURL_ERROR_TEXT, e.getLocalizedMessage()));
						ClientPlugin.getDefault().getLog().log(
								new Status(IStatus.ERROR,
										ClientPlugin.PLUGIN_ID, IStatus.ERROR,
										Messages.ShowURLSharedObject_STATUS_OPENURL_MESSAGE, e));
					}
				}
			});
		}
		super.activated(others);
		destroySelfLocal();
	}

}