import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.net.*;
import java.applet.*;

/** 	Applet to allow user to draw circle,square,rectangle,oval,arc,freehand or Change Color
*	
*	@author Larry Healy CIS 525 Assignment 3
*	@return returns to the html
*	@version Java 1.1.4
*
*/

public class LetsDrawShapes extends Applet  {

// 	Initialize global variables
// 	
// 	myDimensions - hold dimensions for the shapes
// 	w - used for sizing
// 	shapeType, colorStatus - track the current shape and color
// 	
// 	
int[] myDimensions = new int[6];
int w = 0;
String shapeType = "rect";
int colorStatus = 1;

/** 	Intialize applet, Includes MouseListener(change colorStatus), MouseMotionListener(DrawYourOwn)
*	Intialize shape dimensions and draw buttons via addMyButton
*	
*	@param None
*	@return None
*
*/
public void init() {
// 	Setup mouse listener's
// 	
  MouseListener theListener =
		new MouseAdapter() {
		 public void mousePressed(MouseEvent event) {
		    colorStatus++;
		    if (colorStatus == 14)
			colorStatus = 1;
		    if (shapeType != "own")
			repaint();
		  }
		}; 

  MouseMotionListener theListener_1 =
		new MouseMotionAdapter() {
			public void mouseDragged(MouseEvent event) {
			   if (shapeType == "own") {
				getGraphics().fillRect(event.getX()-25,
						       event.getY()-25,
			   			       30,20);
				
			   }
			}
	       };

  addMouseListener(theListener);
  addMouseMotionListener(theListener_1);

// 	set intial dimensions for default
// 	
	myDimensions[0] = 20;
	myDimensions[1] = 60;
	myDimensions[2] = 40;
	myDimensions[3] = 80;
	myDimensions[4] = 25;
	myDimensions[5] = 100;
	
// 	add the buttons to the display and associate with proper action class
// 	
	addMyButton();
 }

/**	Select the color depending upon the color status dictated by the mouse click
*	
*	@param g Graphics - the current graphic object in display
*	@return	color is set for curent object
*
*/
public void selectMyColor(Graphics g) {
  switch(colorStatus)
			{
				case 1: g.setColor(Color.black);
				break;
				case 2: g.setColor(Color.blue); 
				break;
				case 3: g.setColor(Color.cyan); 
				break;
				case 4: g.setColor(Color.darkGray); 
				break;
				case 5: g.setColor(Color.gray); 
				break;
				case 6: g.setColor(Color.green); 
				break;
				case 7: g.setColor(Color.lightGray); 
				break;
				case 8: g.setColor(Color.magenta); 
				break;
				case 9: g.setColor(Color.orange); 
				break;
				case 10: g.setColor(Color.pink); 
				break;
				case 11: g.setColor(Color.red); 
				break;
				case 12: g.setColor(Color.yellow); 
				break;
			}	

 }

/**	Paint the object and fill it as defined by button actions and repaint method
*
*	@param g Graphics -  the current graphic object in display
*	@return	selected graphic is drawn with color is set for curent object by button action
*	set to the default size
*
*/	
public void paint (Graphics g)  {
  setBackground(Color.white);
  selectMyColor(g);

 	if (shapeType == "rect") {
	  g.drawRect(myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
// colorstatus = 13 is No fill for object
	  if (colorStatus != 13)
	  g.fillRect (myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
	}

	if (shapeType == "square") {
	  g.drawRect(myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
// colorstatus = 13 is No fill for object
	  if (colorStatus != 13)
	  g.fillRect (myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
	}
	
	if (shapeType == "circle") {
	  g.drawOval(myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
// colorstatus = 13 is No fill for object
	  if (colorStatus != 13)
	  g.fillOval (myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
	}

	if (shapeType == "arc") {
	  g.drawArc(myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w,myDimensions[4],myDimensions[5]);
// colorstatus = 13 is No fill for object
	  if (colorStatus != 13)
	  g.fillArc (myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w,myDimensions[4],myDimensions[5]);
	}

	if (shapeType == "oval") {
	  g.drawOval(myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
// colorstatus = 13 is No fill for object
	  if (colorStatus != 13)
	  g.fillOval (myDimensions[0],myDimensions[1],myDimensions[2] + w,myDimensions[3]+ w);
	}

}

/**	Add the action buttons - 8 Buttons
*
*	@param None
*	@return buttons are displayed that are functional and waiting to be pressed and processed by actionListener
*
*/
// 	Buttons
// 	Draw Rectangle
// 	Draw Circle
// 	Draw Oval
// 	Draw Square
// 	Draw Arc
// 	Draw Increase the size of a shape
// 	Draw Decrease the size of a shape
// 	Draw Your own shape and play
// 	

public void addMyButton ()  {
// 	Ignore the default layout manager
  setLayout(null);

// 	Create button instances
  Button b1 = new Button("Increase Size");
  Button b2 = new Button("Decrease Size");
  Button b3 = new Button("Circle");
  Button b4 = new Button("Square");
  Button b5 = new Button("Rectangle");
  Button b6 = new Button("Arc");
  Button b7 = new Button("Oval");
  Button b8 = new Button("Draw Your Own");

// 	Set Size the buttons
  b1.setSize(100,40);
  b2.setSize(100,40);
  b3.setSize(100,40);
  b4.setSize(100,40);
  b5.setSize(100,40);
  b6.setSize(100,40);
  b7.setSize(100,40);
  b8.setSize(100,40);

// 	Set Locate the buttons on screen
  b1.setLocation(10,5);
  b2.setLocation(110,5);
  b3.setLocation(210,5);
  b4.setLocation(310,5);
  b5.setLocation(410,5);
  b6.setLocation(510,5);
  b7.setLocation(610,5);
  b8.setLocation(710,5);

// 	Intialize objects
  IncreaseSize increaseShapeSize = new IncreaseSize();
  DecreaseSize decreaseShapeSize = new DecreaseSize();
  DrawMyCircle circleShape = new DrawMyCircle();
  DrawMySquare squareShape = new DrawMySquare();
  DrawMyRect rectShape = new DrawMyRect();
  DrawMyArc arcShape = new DrawMyArc();
  DrawMyOval ovalShape = new DrawMyOval();
  DrawMyOwn ownShape = new DrawMyOwn();

// 	Add action listeneres for each button 
  b1.addActionListener(increaseShapeSize);
  b2.addActionListener(decreaseShapeSize);
  b3.addActionListener(circleShape);
  b4.addActionListener(squareShape);
  b5.addActionListener(rectShape);
  b6.addActionListener(arcShape);
  b7.addActionListener(ovalShape);
  b8.addActionListener(ownShape);

// 	Add buttons to container
  add(b1);
  add(b2);
  add(b3);
  add(b4);
  add(b5);
  add(b6);
  add(b7);
  add(b8);
}

/**	Increase size of current object
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param event Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
// Please note inner classes are not supported by javadoc 1.1 so the public classes listed below
// will not be in the javadoc printout, this is per Sun Javadoc documentation

public class IncreaseSize implements ActionListener {
  public void actionPerformed(ActionEvent event) {	
	w = w + 20;
	if (shapeType != "own")
	   repaint();
   }
 }

/**	Decrease size of current object
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DecreaseSize implements ActionListener {
  public void actionPerformed(ActionEvent event) {			
	w = w - 20;
	if (shapeType != "own")
	  repaint();
   }
 }	

/**	Clear the screen and Draw a Circle
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DrawMyCircle implements ActionListener {
  public void actionPerformed(ActionEvent event) {
	myDimensions[0] = 20;
	myDimensions[1] = 60;
	myDimensions[2] = 20;
	myDimensions[3] = 20;
	w = 0;
	shapeType = "circle";
	repaint();
   }
 }	

/**	Clear the screen and Draw a Square
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DrawMySquare implements ActionListener {
  public void actionPerformed(ActionEvent event) {
	myDimensions[0] = 20;
	myDimensions[1] = 64;
	myDimensions[2] = 20;
	myDimensions[3] = 20;		
	w = 0;
	shapeType = "square";
	repaint();
   }
 }	

/**	Clear the screen and Draw a Rectangle
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DrawMyRect implements ActionListener {
  public void actionPerformed(ActionEvent event) {			
	myDimensions[0] = 20;
	myDimensions[1] = 60;
	myDimensions[2] = 40;
	myDimensions[3] = 80;		
	w = 0;
	shapeType = "rect";
	repaint();
   }
 }	

/**	Clear the screen and Draw a Arc
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DrawMyArc implements ActionListener {
  public void actionPerformed(ActionEvent event) {	
	myDimensions[0] = 20;
	myDimensions[1] = 60;
	myDimensions[2] = 50;
	myDimensions[3] = 75;
	myDimensions[4] = 25;
	myDimensions[5] = 165;			
	w = 0;
	shapeType = "arc";
	repaint();
   }
 }	

/**	Clear the screen and Draw a Oval
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DrawMyOval implements ActionListener {
  public void actionPerformed(ActionEvent event) {			
	myDimensions[0] = 20;
	myDimensions[1] = 60;
	myDimensions[2] = 20;
	myDimensions[3] = 70;			
	w = 0;
	shapeType = "oval";
	repaint();
   }
 }	

/**	Clear the screen and Draw by using the mouse drag listener
*
*	@author Larry Healy CIS 525 Assignment 3
*	@param Action depress button
*	@return Action performed
*	@version Java 1.1.4
*
*/
public class DrawMyOwn implements ActionListener {
  public void actionPerformed(ActionEvent event) {			
	w = 0;			
	shapeType = "own";
	repaint();
   }
 }	

}