/*

 * QuickTime for Java SDK Sample Code

   Usage subject to restrictions in SDK License Agreement

 * Copyright: © 1996-1999 Apple Computer, Inc.

 */

import java.awt.*;

import java.awt.event.*;

import quicktime.*;

import quicktime.app.display.*;

import quicktime.app.anim.*;

import quicktime.app.time.*;

import quicktime.std.movies.MovieController;

import quicktime.app.players.QTPlayer;

/**

 * A simple panel of AWT objects to demonstrate how AWT can be used to control a

 * QuickTime movie.

 */

public class ControlPanel extends Panel implements Errors {

//_________________________ CLASS METHODS

    public ControlPanel (Timer c, QTPlayer m, DirectGroup dg, Compositor sh) {

        this.comp = c;

        this.mov = m;

        this.dg = dg;

        shTimer = sh.getTimer();

        dgTimer = dg.getTimer();

        GridBagLayout gb = new GridBagLayout();

        setLayout (gb);

        GridBagConstraints cons = new GridBagConstraints();

        cons.fill = GridBagConstraints.HORIZONTAL;

        cons.insets = new Insets (1, 1, 1, 1);      

        cons.weightx = 1.0;

        cons.gridy = 0;

        cons.gridx = 1;

        add (rateLabel, cons);

        cons.gridx = 2;

        add (rateField, cons);

        cons.gridy = 1;

        cons.gridx = 1;

        add (compLabel, cons);

        cons.gridx = 2;

        add (compField, cons);

        cons.gridy = 2;

        cons.gridx = 0;

        add (movCb, cons);

        //sprites

        cons.gridy = 2;

        cons.gridx = 2;

        add (spriteLabel, cons);

        cons.gridx = 3;

        add (spriteField, cons);

        //directgroup controller

        rateField.addActionListener (new ActionListener () {

                public void actionPerformed (ActionEvent event) {

                    String str = new String (event.getActionCommand());

                    dgTimer.setRate (new Float (str).floatValue());

                }

            });

        //compositor controller (ripples and spaceships)                

        compField.addActionListener (new ActionListener () {

                public void actionPerformed (ActionEvent event) {

                    String str = new String (event.getActionCommand());

                    comp.setRate (new Float (str).floatValue());

                }

            });

        //movie looping controller

        movCb.addItemListener(new ItemListener() {

            public void itemStateChanged (ItemEvent ev) {

                if (((Checkbox)ev.getItemSelectable()).getState()) {

                    try {

                        mov.getMovieController().setLooping(true);

                    }catch(QTException ex) {

                        throw new QTRuntimeException (ex);

                    }

                }               

                else {

                    try {

                        mov.getMovieController().setLooping(false);

                    }catch(QTException ex) {

                        throw new QTRuntimeException (ex);

                    }

                }   

            }

        }); 

        //spaceships rate controller

        spriteField.addActionListener (new ActionListener () {

                public void actionPerformed (ActionEvent event) {

                    String str = new String (event.getActionCommand());

                    shTimer.setRate (new Float (str).floatValue());

                }

        });

    }

    public void setDisplay () throws QTException {

        rateField.setText (Float.toString (dgTimer.getRate()));

        spriteField.setText (Float.toString (shTimer.getRate()));

        compField.setText (Float.toString (comp.getRate()));

    }

//_________________________ INSTANCE VARIABLES

    private Label rateLabel = new Label ("Direct Group Rate:", Label.RIGHT);

    private TextField rateField = new TextField (5);

    private Label compLabel = new Label ("Compositor Rate:", Label.RIGHT);

    private TextField compField = new TextField (5);

    private Checkbox movCb = new Checkbox("Loop Movie");

    private Label spriteLabel = new Label ("Sprites Rate:", Label.RIGHT);

    private TextField spriteField = new TextField (5);

    private Timer comp;

    private QTPlayer mov;

    private Timer dgTimer;

    private Timer shTimer;

    private DirectGroup dg;

//_________________________ INSTANCE METHODS

    /**

     * @return a Dimension object which defines the minimum size

     */  

    public Dimension getMinimumSize() { return new Dimension (0, 80); }

    /**

     * @return a Dimension object which defines the preferred size

     */  

    public Dimension getPreferredSize() { return getMinimumSize(); }

}