import java.util.*;
import java.awt.*;
import java.applet.*;

class RotateSlider extends Slider {
protected Blackboard _bb;
protected int _oldvalue;
public RotateSlider( Blackboard black ) {
	_bb = black;
	SetMinimum( 0 );
	SetMaximum( 360 );
	_oldvalue = 0;
	SetValue( _oldvalue );
	SetWidth( 100 );
}
} // class RotateSlider

class RotateXSlider extends RotateSlider {
public RotateXSlider( Blackboard black ) {
	super( black );
}
public void Motion() { 
	_bb.projection.rotateX( GetValue()-_oldvalue ); 
	_oldvalue = GetValue();
}
public void Release() { 
	_bb.projection.rotateX( GetValue()-_oldvalue ); 
	_oldvalue = GetValue();
}
} // class RotateXSlider

class RotateYSlider extends RotateSlider {
public RotateYSlider( Blackboard black ) {
	super( black );
}
public void Motion() { 
	_bb.projection.rotateY( GetValue()-_oldvalue ); 
	_oldvalue = GetValue();
}
public void Release() { 
	_bb.projection.rotateY( GetValue()-_oldvalue ); 
	_oldvalue = GetValue();
}
} // class RotateYSlider

class RotateZSlider extends RotateSlider {
public RotateZSlider( Blackboard black ) {
	super( black );
}
public void Motion() { 
	_bb.projection.rotateZ( GetValue()-_oldvalue ); 
	_oldvalue = GetValue();
}
public void Release() { 
	_bb.projection.rotateZ( GetValue()-_oldvalue ); 
	_oldvalue = GetValue();
}
} // class RotateZSlider


public class RotateWindow extends Frame implements Runnable {

protected Blackboard _bb;
protected Slider _sliderX, _sliderY, _sliderZ;

protected boolean _showing = false;
public boolean showing() { 
	return _showing;
}
public void showing( boolean s ) { 
	_showing = s;
}

public void origo() {
	_sliderX.SetValue( 0 );
	_sliderY.SetValue( 0 );
	_sliderZ.SetValue( 0 );
}

public RotateWindow( Blackboard black ) {
	super( "Rotation Controls" );
	_bb = black;

	setLayout(new GridLayout( 0, 2, 4, 4 ));

	add( new Label("X Rotation:", Label.RIGHT) );
	_sliderX = new RotateXSlider( _bb );
	add( _sliderX );
	add( new Label("Y Rotation:", Label.RIGHT) );
	_sliderY = new RotateYSlider( _bb );
	add( _sliderY );
	add( new Label("Z Rotation:", Label.RIGHT) );
	_sliderZ = new RotateZSlider( _bb );
	add( _sliderZ );
}

	// Thread stuff
	//
protected Thread _updater;
public void run() {
	Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
	while (true) {
		try {
			Thread.sleep(100);
		} catch (InterruptedException e) {
			break;
		}
	}
}
public void start() {
	_updater = new Thread(this);
	_updater.start();
}
public void stop() {
	if( _updater != null )
		_updater.stop();
	_updater = null;
}

public boolean handleEvent(Event evt) {
	if (evt.id == Event.WINDOW_ICONIFY) {
		hide();
		return true;
	}
	if (evt.id == Event.WINDOW_DESTROY) {
		dispose();
		return true;
	}
	return super.handleEvent(evt);
}

} // class GraphWindow