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/*
 *  streams library
 *
 *  Copyright (C) 2011-2014 by Christian Bockermann, Hendrik Blom
 * 
 *  streams is a library, API and runtime environment for processing high
 *  volume data streams. It is composed of three submodules "stream-api",
 *  "stream-core" and "stream-runtime".
 *
 *  The streams library (and its submodules) is free software: you can 
 *  redistribute it and/or modify it under the terms of the 
 *  GNU Affero General Public License as published by the Free Software 
 *  Foundation, either version 3 of the License, or (at your option) any 
 *  later version.
 *
 *  The stream.ai library (and its submodules) is distributed in the hope
 *  that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
 *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package stream.service;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import javax.swing.JComponent;
import javax.swing.JFrame;

import stream.runtime.ApplicationContext;
import stream.runtime.LifeCycle;

/**
 * @author chris
 * 
 */
public class Dashboard implements DashboardService, LifeCycle {

	protected JFrame frame;

	protected String title = "";
	protected Integer width = 1024;
	protected Integer height = 768;

	final Map components = new HashMap();

	/**
	 * @see stream.service.Service#reset()
	 */
	@Override
	public void reset() throws Exception {
		if (frame != null) {
			frame.getContentPane().removeAll();
		}
	}

	/**
	 * @see stream.service.DashboardService#addWidget(java.lang.String,
	 *      javax.swing.JComponent)
	 */
	@Override
	public String addWidget(String id, JComponent widget) {

		String wid = id;
		if (wid == null)
			wid = UUID.randomUUID().toString().toUpperCase();

		if (frame != null) {

			if (components.get(wid) != null) {
				JComponent old = components.remove(wid);
				frame.getContentPane().remove(old);
			}

			frame.getContentPane().add(widget);
			components.put(wid, widget);
			return wid;
		} else
			return null;
	}

	/**
	 * @see stream.runtime.LifeCycle#init(stream.Context)
	 */
	@Override
	public void init(ApplicationContext context) throws Exception {
		frame = new JFrame();

		if (title != null) {
			frame.setTitle(title);
		}

		if (width != null && height != null)
			frame.setSize(width, height);

		frame.setVisible(true);
	}

	/**
	 * @see stream.runtime.LifeCycle#finish()
	 */
	@Override
	public void finish() throws Exception {
		frame.setVisible(false);
		frame.dispose();
	}

	/**
	 * @return the title
	 */
	public String getTitle() {
		return title;
	}

	/**
	 * @param title
	 *            the title to set
	 */
	public void setTitle(String title) {
		this.title = title;
	}

	/**
	 * @return the width
	 */
	public Integer getWidth() {
		return width;
	}

	/**
	 * @param width
	 *            the width to set
	 */
	public void setWidth(Integer width) {
		this.width = width;
	}

	/**
	 * @return the height
	 */
	public Integer getHeight() {
		return height;
	}

	/**
	 * @param height
	 *            the height to set
	 */
	public void setHeight(Integer height) {
		this.height = height;
	}
}