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Source Code of MovieNudgePanel

//
//  NudgePanel.java
//  VideoAnnotate
//
//  Created by Michael D. Fischer on 27/07/2006.
//  Copyright (c) 2006, Centre for Social Anthropology and Computing,
//  University of Kent. All rights reserved.
//
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions
//  are met:
//
//  Redistributions of source code must retain the above copyright
//  notice, this list of conditions and the following disclaimer.
//  Redistributions in binary form must reproduce the above copyright
//  notice, this list of conditions and the following disclaimer in the
//  documentation and/or other materials provided with the distribution.
//  Neither the name of the Centre for Social Anthropology and Computing,
//  University of Kent nor the names of its contributors may be used
//  to endorse or promote products derived from this software without
//  specific prior written permission.  THIS SOFTWARE IS PROVIDED BY THE
//  COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
//  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
//  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
//  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
//  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
//  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 

import java.awt.*;
import java.awt.event.*;
import java.io.*;

import quicktime.qd.*;
import quicktime.*;
import quicktime.io.*;
import quicktime.std.*;
import quicktime.std.movies.*;
import quicktime.std.image.*;
// import quicktime.app.QTFactory;
// import quicktime.app.display.*;
// import quicktime.app.players.*;
// import quicktime.app.image.*;
// import quicktime.app.actions.*;
// import quicktime.app.anim.*;
// import quicktime.app.time.*;
import quicktime.std.clocks.TimeRecord;


public class MovieNudgePanel extends Panel{
   public MovieNudgePanel (MediaPresenter mp) {
    myPresenter = mp;

    timeControl = new Canvas() {
     public boolean mouseDown(Event e, int x, int y) {
      try {
         long t = myPresenter.getTime();
         int s = myPresenter.getScale();
         float r = (float) s / (float) 25;
         int xp = getWidth()-x;
        // xp = (int) (Math.pow((double)xp,1.414214) * r);
         xp = (int) (Math.pow((double)xp,1.414214) * r);
         if (t-xp < 0) xp= (int) t;
         MovieController mc = getMovieController();
         if (mc != null) {
          TimeRecord ts = new TimeRecord(mc.getTimeScale(),t-xp);
          TimeRecord te = new TimeRecord(mc.getTimeScale(),mc.getCurrentTime()-(t-xp));
          mc.setSelectionBegin(ts);
          mc.setSelectionDuration(te);
          mc.setPlaySelection(true);
         }
         myPresenter.setTime(t-xp);
         if (myPresenter.getRate() == 0) myPresenter.setRate(1.0);
         currentPos = x;
         repaint();
         timeMonitor.repaint();
      } catch(Exception ex) {
      }

      return true;
     }

     public void paint(Graphics g) {
      g.setColor(Color.black);
      g.drawRect(0,0,255,31);
      g.setColor(Color.red);
      if (currentPos > 0) g.fillOval(currentPos-6,10,12,12);
     }

     int currentPos = -1;
    };
    timeControl.setSize(256,32);
    add (timeControl);
    timeMonitor = new Canvas() {
     public void paint(Graphics g) {
      if (myPresenter.hasDrawer()) {
         long t; int s;
         try {
          t  = myPresenter.getTime();
          s = myPresenter.getScale();
         } catch (Exception e) {
          t = 0;
          s = 1;
         }
         g.drawString(new Long(t).toString(),5,16);
      }

     }
    };
    timeMonitor.setSize(64,32);
    add (timeMonitor);
    enableControl();
   }

   public void showTime() {
    if (timeMonitor != null) {
     timeMonitor.repaint();
    }
   }

   void enableControl () {
    timeControl.setEnabled (myPresenter.hasDrawer());
   }

   public void mediaSet() {
  /*  if (myPresenter != null && myPresenter.getMovieController() != null) {
    // myQTCanvas.removeClient();
     if (timer != null)
      try {
         timer.setActive (false);
      } catch (Exception e) {
      }
     try {
      timer = new Timer (3, 1, this, ((QTPlayer) myPresenter.getDrawable()).getMovieController().getMovie()) ;
      timer.setActive(true);
     } catch (Exception e) {
      System.out.println("Timer not set");
     }
    
    }
     */
   }


   public MovieController getMovieController() {
    if (myPresenter != null) {
     return myPresenter.getMovieController();
    } else
      return null;
   }
  
   public boolean tickle (float er, int time) throws QTException {
    timeMonitor.repaint();
    return true;
   }

   public void timeChanged (int time) throws QTException {
   // timeMonitor.repaint();
   }
  
   public Dimension getPreferredSize () {
    return new Dimension (320, 38);
   }

   MediaPresenter myPresenter;

  Canvas timeMonitor;
   Canvas timeControl;
  //  private Timer timer;
}
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