hyperbolaadapterfactory.java

Eclipse Rich Client Platform Designing Coding and Packaging Java Applications的源代码

/*******************************************************************************
 * Copyright (c) 2005 Jean-Michel Lemieux, Jeff McAffer 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
 *
 * Hyperbola is an RCP application developed for the book
 *     Eclipse Rich Client Platform - 
 *         Designing, Coding, and Packaging Java Applications
 * See http://eclipsercp.org
 *
 * Contributors:
 *     Jean-Michel Lemieux and Jeff McAffer - initial API and implementation
 *******************************************************************************/
package org.eclipsercp.hyperbola;

import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipsercp.hyperbola.model.Contact;
import org.eclipsercp.hyperbola.model.ContactsEntry;
import org.eclipsercp.hyperbola.model.ContactsGroup;
import org.eclipsercp.hyperbola.model.Presence;

public class HyperbolaAdapterFactory implements IAdapterFactory {

	private IWorkbenchAdapter groupAdapter = new IWorkbenchAdapter() {
		public Object getParent(Object o) {
			return ((ContactsGroup) o).getParent();
		}

		public String getLabel(Object o) {
			ContactsGroup group = ((ContactsGroup) o);
			int available = 0;
			Contact[] entries = group.getEntries();
			for (int i = 0; i < entries.length; i++) {
				Contact contact = entries[i];
				if (contact instanceof ContactsEntry) {
					if (((ContactsEntry) contact).getPresence() != Presence.INVISIBLE)
						available++;
				}
			}
			return group.getName() + " (" + available + "/" + entries.length
					+ ")";
		}

		public ImageDescriptor getImageDescriptor(Object object) {
			return AbstractUIPlugin.imageDescriptorFromPlugin(
					Application.PLUGIN_ID, IImageKeys.GROUP);
		}

		public Object[] getChildren(Object o) {
			return ((ContactsGroup) o).getEntries();
		}
	};

	private IWorkbenchAdapter entryAdapter = new IWorkbenchAdapter() {
		public Object getParent(Object o) {
			return ((ContactsEntry) o).getParent();
		}

		public String getLabel(Object o) {
			ContactsEntry entry = ((ContactsEntry) o);
			return entry.getNickname() + " (" + entry.getName() + "@"
					+ entry.getServer() + ")";
		}

		public ImageDescriptor getImageDescriptor(Object object) {
			ContactsEntry entry = ((ContactsEntry) object);
			String key = presenceToKey(entry.getPresence());
			return AbstractUIPlugin.imageDescriptorFromPlugin(
					Application.PLUGIN_ID, key);
		}

		public Object[] getChildren(Object o) {
			return new Object[0];
		}
	};

	private String presenceToKey(Presence presence) {
		if (presence == Presence.ONLINE)
			return IImageKeys.ONLINE;
		if (presence == Presence.AWAY)
			return IImageKeys.AWAY;
		if (presence == Presence.DO_NOT_DISTURB)
			return IImageKeys.DO_NOT_DISTURB;
		if (presence == Presence.INVISIBLE)
			return IImageKeys.OFFLINE;
		return "";
	}

	public Object getAdapter(Object adaptableObject, Class adapterType) {
		if (adapterType == IWorkbenchAdapter.class
				&& adaptableObject instanceof ContactsGroup)
			return groupAdapter;
		if (adapterType == IWorkbenchAdapter.class
				&& adaptableObject instanceof ContactsEntry)
			return entryAdapter;
		return null;
	}

	public Class[] getAdapterList() {
		return new Class[] { IWorkbenchAdapter.class };
	}
}