<Under construction>
Click here to run simple hangman drawing applet.
package model;
import java.awt.*;
import model.bodyPart.*;
/**
* This simplified version of the model has no adapters to play the game.
* There is no game to play here. Just a few ABodyPart to display via the
* paint() method.
* The IPaintAdapter installed by the controller will call the HangmanGame to
* paint(...).
*/
public class HangmanGame {
/**
* A few ABodyPart to be drawn.
*/
private ABodyPart _noose = new NoosePart(null, null);
private ABodyPart _rightArm = new RArmPart(null);
private ABodyPart _torso = new TorsoPart(null);
/**
* Paints the visible body parts on the supplied Graphics context.
* @param g The Graphics context to draw on.
*/
public void paint(Graphics g) {
// FOR ILLUSTRATION ONLY:
System.out.println("HangmanGame.paint()...");
_noose.draw(g);
_rightArm.draw(g);
_torso.draw(g);
}
}
package view;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
* Contains a JPanel where the body parts are painted.
* To paint something in Java, we need to paint on a JPanel and override
* its paintComponent(...) method.
* Everytime the JPanel needs repainting, it will call paintComponent(...).
* For example, when the JFrame that contains the JPanel is resized, it will
* try to update all of its contents, in particular it will call its JPanel to
* update, which in turns will schedule a call to repaint(...), which in turn
* will call paintComponent(...)!
*/
public class HangmanGUI {
/**
* The GUI component that holds all other GUI components.
*/
private JApplet _applet;
/**
* The adapter used to communicate with the model to tell it to paint the
* body parts.
*/
private IPaintAdapter _paintAdapter = new IPaintAdapter() {
// Null-Object Pattern: avoid comparison to null.
public void paint(Graphics g) {
// do nothing
}
};
/**
* A panel derived from a JPanel where the body parts are drawn.
* The JPanel's paint() method is overriden so that the gallows is
* automatically drawn when the panel is repainted.
*/
private JPanel _displayPanel = new JPanel() {
public void paintComponent(Graphics g) { // called whenever the panel is repainted.
super.paintComponent(g); // do whatever usually is done, e.g. clear the panel.
g.setColor(Color.black); // set the drawing color
g.fillRect(0,220,200,5); // base of scaffold
g.fillRect(0,0,70,5); // top of scaffold
g.fillRect(0,0,5,220); // side of scaffold
// FOR ILLUSTRATION ONLY:
System.out.println("HangmanGUI._displayPanel.paintComponent() calling _paintAdapter.paint()...");
_paintAdapter.paint(g); // Delegate to the adapter to get the body parts drawn.
}
};
/**
* Initializes the GUI components.
* @param a the applet that holds all GUI components.
* @param gc The IGameControlAdapter object used to for guessing and
* resetting.
* @param pa The IPaintAdapter object used for requesting that the model
* paint the body parts.
*/
public HangmanGUI(JApplet a, IPaintAdapter pa) {
// FOR ILLUSTRATION ONLY:
System.out.println("HangmanGUI.constructor initializing _displayPanel and _applet...");
_applet = a;
_paintAdapter = pa;
jbInit();
}
/**Component initialization*/
private void jbInit() {
_displayPanel.setBackground(Color.white);
_applet.setSize(400, 350);
Container contentPane = _applet.getContentPane();
contentPane.setLayout(new BorderLayout());
contentPane.add(_displayPanel, BorderLayout.CENTER);
}
}
package controller;
import model.*;
import view.*;
import javax.swing.*;
import java.awt.*;
/**
* The controller that instantiates and connects the HangmanGame (the model)
* and the HangmanGUI (the view) via adapters.
* The controller also instantiates the adapters.
* The adapters are implemented as anonymous inner classes.
* @stereotype controller
*/
public class HangmanController extends JApplet{
private HangmanGUI _gui;
private HangmanGame _hangman;
/**
* Instantiates the HangmanGame, HangmanFrame, and connects them together
* using anonymous inner class defined adapters.
* In this simplified version, there is no game playing, so there is no
* need for loose and/or win adapters.
*/
public void init() {
_hangman = new HangmanGame();
_gui = new HangmanGUI(this, new IPaintAdapter() {
public void paint(Graphics g) {
// FOR ILLUSTRATION ONLY:
System.out.println("anonymous IPaintAdapter.paint() calling _hangman.paint()...");
_hangman.paint(g);
}
});
}
public static void main(String[] args) {
JFrame frame = new AFrame("Simple Hangman Drawing") {
protected void initialize() {
HangmanController controller = new HangmanController();
controller.init();
getContentPane().add(controller, "Center");
setSize(400, 400);
setVisible(true);
}
};
}
}