/*
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */


import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.border.*;
import javax.swing.colorchooser.*;
import javax.swing.filechooser.*;
import javax.accessibility.*;

import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;

/**
 * JTabbedPane Demo
 *
 * @version 1.5 02/06/02
 * @author Jeff Dinkins
 */
public class TabbedPaneDemo extends DemoModule implements ActionListener {
    HeadSpin spin;

    JTabbedPane tabbedpane;

    ButtonGroup group;

    JRadioButton top;
    JRadioButton bottom;
    JRadioButton left;
    JRadioButton right;

    /**
     * main method allows us to run as a standalone demo.
     */
    public static void main(String[] args) {
	TabbedPaneDemo demo = new TabbedPaneDemo(null);
	demo.mainImpl();
    }

    /**
     * TabbedPaneDemo Constructor
     */
    public TabbedPaneDemo(SwingSet2 swingset) {
	// Set the title for this demo, and an icon used to represent this
	// demo inside the SwingSet2 app.
	super(swingset, "TabbedPaneDemo", "toolbar/JTabbedPane.gif");

	// create tab position controls
	JPanel tabControls = new JPanel();
	tabControls.add(new JLabel(getString("TabbedPaneDemo.label")));
	top    = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.top")));
	left   = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.left")));
	bottom = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.bottom")));
	right  = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.right")));
	getDemoPanel().add(tabControls, BorderLayout.NORTH);

	group = new ButtonGroup();
	group.add(top);
	group.add(bottom);
	group.add(left);
	group.add(right);

	top.setSelected(true);

	top.addActionListener(this);
	bottom.addActionListener(this);
	left.addActionListener(this);
	right.addActionListener(this);

	// create tab 
	tabbedpane = new JTabbedPane();
	getDemoPanel().add(tabbedpane, BorderLayout.CENTER);

	String name = getString("TabbedPaneDemo.laine");
	JLabel pix = new JLabel(createImageIcon("tabbedpane/laine.jpg", name));
	tabbedpane.add(name, pix);

	name = getString("TabbedPaneDemo.ewan");
	pix = new JLabel(createImageIcon("tabbedpane/ewan.jpg", name));
	tabbedpane.add(name, pix);

	name = getString("TabbedPaneDemo.hania");
	pix = new JLabel(createImageIcon("tabbedpane/hania.jpg", name));
	tabbedpane.add(name, pix);

	name = getString("TabbedPaneDemo.bounce");
	spin = new HeadSpin();
	tabbedpane.add(name, spin);
	
	tabbedpane.getModel().addChangeListener(
	   new ChangeListener() {
	      public void stateChanged(ChangeEvent e) {
		  SingleSelectionModel model = (SingleSelectionModel) e.getSource();
		  if(model.getSelectedIndex() == tabbedpane.getTabCount()-1) {
		      spin.go();
		  }
	      }
	   }
	);
    }

    public void actionPerformed(ActionEvent e) {
	if(e.getSource() == top) {
	    tabbedpane.setTabPlacement(JTabbedPane.TOP);
	} else if(e.getSource() == left) {
	    tabbedpane.setTabPlacement(JTabbedPane.LEFT);
	} else if(e.getSource() == bottom) {
	    tabbedpane.setTabPlacement(JTabbedPane.BOTTOM);
	} else if(e.getSource() == right) {
	    tabbedpane.setTabPlacement(JTabbedPane.RIGHT);
	}
    }

    class HeadSpin extends JComponent implements ActionListener {
	javax.swing.Timer animator;
	
	ImageIcon icon[] = new ImageIcon[6];

	int tmpScale;

	final static int numImages = 6;

	double x[] = new double[numImages];
	double y[] = new double[numImages];

	int xh[] = new int[numImages];
	int yh[] = new int[numImages];

	double scale[] = new double[numImages];

	public HeadSpin() {
	    setBackground(Color.black);
	    icon[0] = createImageIcon("tabbedpane/ewan.gif", getString("TabbedPaneDemo.ewan"));
	    icon[1] = createImageIcon("tabbedpane/stephen.gif", getString("TabbedPaneDemo.stephen"));
	    icon[2] = createImageIcon("tabbedpane/david.gif", getString("TabbedPaneDemo.david"));
	    icon[3] = createImageIcon("tabbedpane/matthew.gif", getString("TabbedPaneDemo.matthew"));
	    icon[4] = createImageIcon("tabbedpane/blake.gif", getString("TabbedPaneDemo.blake"));
	    icon[5] = createImageIcon("tabbedpane/brooke.gif", getString("TabbedPaneDemo.brooke"));

	    /*
	    for(int i = 0; i < 6; i++) {
		x[i] = (double) rand.nextInt(500);
		y[i] = (double) rand.nextInt(500);
	    }
	    */
	}
	
	public void go() {
	    animator = new javax.swing.Timer(22 + 22 + 22, this);
	    animator.start();
	}

	public void paint(Graphics g) {
	    g.setColor(getBackground());
	    g.fillRect(0, 0, getWidth(), getHeight());

	    for(int i = 0; i < numImages; i++) {
		if(x[i] > 3*i) {
		    nudge(i);
		    squish(g, icon[i], xh[i], yh[i], scale[i]);
		} else {
		    x[i] += .05;
		    y[i] += .05;
		}
	    }
	}

	Random rand = new Random();

	public void nudge(int i) {
	    x[i] += (double) rand.nextInt(1000) / 8756;
	    y[i] += (double) rand.nextInt(1000) / 5432;
	    int tmpScale = (int) (Math.abs(Math.sin(x[i])) * 10);
	    scale[i] = (double) tmpScale / 10;
	    int nudgeX = (int) (((double) getWidth()/2) * .8);
	    int nudgeY = (int) (((double) getHeight()/2) * .60);
	    xh[i] = (int) (Math.sin(x[i]) * nudgeX) + nudgeX;
	    yh[i] = (int) (Math.sin(y[i]) * nudgeY) + nudgeY;
	}

	public void squish(Graphics g, ImageIcon icon, int x, int y, double scale) {
	    if(isVisible()) {
		g.drawImage(icon.getImage(), x, y,
			    (int) (icon.getIconWidth()*scale),
			    (int) (icon.getIconHeight()*scale),
			    this);
	    } 
	}
	
	public void actionPerformed(ActionEvent e) {
	    if(isVisible()) {
		repaint();
	    } else {
		animator.stop();
	    }
	}
    }
}

