// Assignment #: 7

// Name: Mguel Zavala

// StudentID: 1204402766

// Lecture: MWF 1030AM

// Description: This is the GUI of the box program

//import nesessary libraries

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

//start of the the wholepanel class

public class WholePanel extends JPanel

{

//instantiate the variables

private Color currentColor;

private int currentWidth, currentHeight;

private CanvasPanel canvas;

private JPanel menuPanel;

private JCheckBox fillCheck;

private JRadioButton white,red,blue,green,orange;

private int x1, y1;

private ButtonGroup group;

public WholePanel()

{

//white is the default color

currentColor = Color.WHITE;

group = new ButtonGroup();

menuPanel = new JPanel();

//default x-y coordinate, width, and height of a rectangle

currentWidth = currentHeight = 100;

x1 = 100; y1 = 100;

//setting the layout of the check box and radio buttons

menuPanel.setLayout(new GridLayout(1,6));

//initializing the components

fillCheck = new JCheckBox("Filled");

white = new JRadioButton ("White");

red = new JRadioButton ("Red");

blue = new JRadioButton ("Blue");

green = new JRadioButton ("Green");

orange = new JRadioButton ("Orange");

//Initialize listeners

ColorListener colorListener = new ColorListener();

FillListener fill = new FillListener();

//add listeners to the components

white.addActionListener(colorListener);

red.addActionListener(colorListener);

blue.addActionListener(colorListener);

green.addActionListener(colorListener);

orange.addActionListener(colorListener);

fillCheck.addItemListener(fill);

//add the components to the JPanel

menuPanel = new JPanel();

group.add(white);

group.add(red);

group.add(blue);

group.add(green);

group.add(orange);

menuPanel.add(fillCheck);

menuPanel.add(white);

menuPanel.add(red);

menuPanel.add(blue);

menuPanel.add(green);

menuPanel.add(orange);

canvas = new CanvasPanel();

JSplitPane sPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, menuPanel, canvas);

setLayout(new BorderLayout());

add(sPane, BorderLayout.CENTER);

}

private class ColorListener implements ActionListener

{

@Override

public void actionPerformed (ActionEvent event)

{

Object color = event.getSource();

if(color == white)

{

currentColor = Color.white;

}

if(color == red)

{

currentColor = Color.red;

}

else if (color == blue)

{

currentColor = Color.blue;

}

else if (color == green)

{

currentColor= Color.green;

}

else if(color == orange)

{

currentColor = Color.orange;

}

repaint();

}

}

private class FillListener implements ItemListener

{

public void itemStateChanged(ItemEvent event)

{

repaint();

}

}

//CanvasPanel is the panel where pressed keys will be drawn

private class CanvasPanel extends JPanel

{

//Constructor to initialize the canvas panel

public CanvasPanel( )

{

// make this canvas panel listen to keys

addKeyListener (new DirectionListener());

// make this canvas panel listen to mouse

addMouseListener(new PointListener());

addMouseMotionListener(new PointListener());

setBackground(Color.BLACK);

//This method needs to be called for this panel to listen to keys

//When panel listens to other things, and go back to listen

//to keys, this method needs to be called again.

requestFocus();

}

//this method draws all characters pressed by a user so far

@Override

public void paintComponent(Graphics page)

{

super.paintComponent(page);

//set color, then draw a rectangle

page.setColor(currentColor);

if(fillCheck.isSelected())

{

page.fillRect(x1, y1, currentWidth, currentHeight);

}

else

{

page.drawRect(x1, y1, currentWidth, currentHeight);

}

}

/** This method is overridden to enable keyboard focus */

@Override

public boolean isFocusable()

{

return true;

}

// listener class to listen to keyboard keys

private class DirectionListener implements KeyListener

{

@Override

public void keyReleased(KeyEvent e) {}

@Override

public void keyTyped(KeyEvent e) {}

// in case that a key is pressed, the following will be executed.

@Override

public void keyPressed(KeyEvent e)

{

switch(e.getKeyCode())

{

case KeyEvent.VK_UP:

y1-=5;

break;

case KeyEvent.VK_DOWN:

y1+=5;

break;

case KeyEvent.VK_RIGHT:

x1+=5;

break;

case KeyEvent.VK_LEFT:

x1-=5;

break;

}

repaint();

}

} // end of DirectionListener

// listener class that listens to the mouse

public class PointListener implements MouseListener, MouseMotionListener

{

//in case that a user presses using a mouse,

//record the point where it was pressed.

@Override

public void mousePressed (MouseEvent event)

{

canvas.requestFocus();

}

@Override

public void mouseClicked (MouseEvent event) {}

@Override

public void mouseReleased (MouseEvent event) {}

@Override

public void mouseEntered (MouseEvent event) {}

@Override

public void mouseExited (MouseEvent event) {}

@Override

public void mouseMoved(MouseEvent event) {}

@Override

public void mouseDragged(MouseEvent event)

{

int x = event.getX();

int y = event.getY();

//left

if( x>=95 && x<=105 && y >95 && y<205 )

{

x1-=5;

currentWidth+=5;

repaint();

}

//top

if( x>=95 && x<=205 && y >95 && y<105 )

{

y1-=5;

currentHeight-=5;

repaint();

}

//right

if( x>=195 && x<=205 && y >95 && y<205 )

{

x1+=5;

currentWidth+=5;

repaint();

}

//bottom

if( x>=95 && x<=205 && y >195 && y<205 )

{

x1+=5;

currentHeight+=5;

repaint();

}

}

} // end of PointListener

} // end of Canvas Panel Class

} // end of Whole Panel Class