/*

	TUIO Java Demo - part of the reacTIVision project

	http://reactivision.sourceforge.net/

	Copyright (c) 2005-2009 Martin Kaltenbrunner <mkalten@iua.upf.edu>

	This program is free software; you can redistribute it and/or modify

	it under the terms of the GNU General Public License as published by

	the Free Software Foundation; either version 2 of the License, or

	(at your option) any later version.

	This program 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 General Public License for more details.

	You should have received a copy of the GNU General Public License

	along with this program; if not, write to the Free Software

	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

import java.awt.*;

import java.awt.geom.*;

import java.awt.event.*;

import java.awt.image.*;

import java.util.*;

import javax.swing.*;

import TUIO.*;

public class TuioDemoComponent extends JComponent implements TuioListener {

	private Hashtable<Long,TuioDemoObject> objectList = new Hashtable<Long,TuioDemoObject>();

	private Hashtable<Long,TuioCursor> cursorList = new Hashtable<Long,TuioCursor>();

	public static final int finger_size = 15;

	public static final int object_size = 60;

	public static final int table_size = 760;

	public static int width, height;

	private float scale = 1.0f;

	public boolean verbose = false;

	public void setSize(int w, int h) {

		super.setSize(w,h);

		width = w;

		height = h;

		scale  = height/(float)TuioDemoComponent.table_size;	

	}

	public void addTuioObject(TuioObject tobj) {

		TuioDemoObject demo = new TuioDemoObject(tobj);

		objectList.put(tobj.getSessionID(),demo);

		if (verbose) 

			System.out.println("add obj "+tobj.getSymbolID()+" ("+tobj.getSessionID()+") "+tobj.getX()+" "+tobj.getY()+" "+tobj.getAngle());	

	}

	public void updateTuioObject(TuioObject tobj) {

		TuioDemoObject demo = (TuioDemoObject)objectList.get(tobj.getSessionID());

		demo.update(tobj);

		if (verbose) 

			System.out.println("set obj "+tobj.getSymbolID()+" ("+tobj.getSessionID()+") "+tobj.getX()+" "+tobj.getY()+" "+tobj.getAngle()+" "+tobj.getMotionSpeed()+" "+tobj.getRotationSpeed()+" "+tobj.getMotionAccel()+" "+tobj.getRotationAccel()); 	

	}

	public void removeTuioObject(TuioObject tobj) {

		objectList.remove(tobj.getSessionID());

		if (verbose) 

			System.out.println("del obj "+tobj.getSymbolID()+" ("+tobj.getSessionID()+")");	

	}

	public void addTuioCursor(TuioCursor tcur) {

		if (!cursorList.containsKey(tcur.getSessionID())) {

			cursorList.put(tcur.getSessionID(), tcur);

			repaint();

		}

		if (verbose) 

			System.out.println("add cur "+tcur.getCursorID()+" ("+tcur.getSessionID()+") "+tcur.getX()+" "+tcur.getY());	

	}

	public void updateTuioCursor(TuioCursor tcur) {

		repaint();

		if (verbose) 

			System.out.println("set cur "+tcur.getCursorID()+" ("+tcur.getSessionID()+") "+tcur.getX()+" "+tcur.getY()+" "+tcur.getMotionSpeed()+" "+tcur.getMotionAccel()); 

	}

	public void removeTuioCursor(TuioCursor tcur) {

		cursorList.remove(tcur.getSessionID());	

		repaint();

		if (verbose) 

			System.out.println("del cur "+tcur.getCursorID()+" ("+tcur.getSessionID()+")"); 

	}

	public void refresh(TuioTime frameTime) {

		repaint();

	}

	public void paint(Graphics g) {

		update(g);

	}

	public void update(Graphics g) {

		Graphics2D g2 = (Graphics2D)g;

		g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

		g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

		g2.setColor(Color.white);

		g2.fillRect(0,0,width,height);

		int w = (int)Math.round(width-scale*finger_size/2.0f);

		int h = (int)Math.round(height-scale*finger_size/2.0f);

		Enumeration<TuioCursor> cursors = cursorList.elements();

		while (cursors.hasMoreElements()) {

			TuioCursor tcur = cursors.nextElement();

			if (tcur==null) continue;

			Vector<TuioPoint> path = tcur.getPath();

			TuioPoint current_point = path.elementAt(0);

			if (current_point!=null) {

				// draw the cursor path

				g2.setPaint(Color.blue);

				for (int i=0;i<path.size();i++) {

					TuioPoint next_point = path.elementAt(i);

					g2.drawLine(current_point.getScreenX(w), current_point.getScreenY(h), next_point.getScreenX(w), next_point.getScreenY(h));

					current_point = next_point;

				}

			}

			// draw the finger tip

			g2.setPaint(Color.lightGray);

			int s = (int)(scale*finger_size);

			g2.fillOval(current_point.getScreenX(w-s/2),current_point.getScreenY(h-s/2),s,s);

			g2.setPaint(Color.black);

			g2.drawString(tcur.getCursorID()+"",current_point.getScreenX(w),current_point.getScreenY(h));

		}

		// draw the objects

		Enumeration<TuioDemoObject> objects = objectList.elements();

		while (objects.hasMoreElements()) {

			TuioDemoObject tobj = objects.nextElement();

			if (tobj!=null) tobj.paint(g2, width,height);

		}		

	}

}