Class SimpleUI

java.lang.Object
  SimpleUI

All Implemented Interfaces:

HangmanUI, java.util.Observer

public class SimpleUI
extends java.lang.Object
implements HangmanUI

Default User interface for the Hangman game. Provides a console-based user interface. Obtains user guesses from the keyboard and displays a very simplistic view of the board.

Field Summary

private java.util.Scanner	console input stream for the keyboard
private Controller	controller
private java.lang.Readable	inputSource

Constructor Summary

SimpleUI()
Construct this user interface.

Method Summary

private char	getMove() Asks the user for a move until the user enters a move that is valid.
void	playAgain() Handle end of game, asking if the player wants another game If yes, start a new game, otherwise exit.
void	setControl(Controller ctrl) Make the interface visible
void	setReadable(java.lang.Readable rdr) Provide an input source for this user interface.
void	setVisible(boolean visible) The main event loop
void	showBoard(Game game) Display the current state of the board.
void	showLose(java.lang.String message) Display that the player lost the game.
void	showWin() Display that the player won the game.
void	update(java.util.Observable o, java.lang.Object arg) Update the ui when notified by the game.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

controller

private Controller controller

console

private java.util.Scanner console

input stream for the keyboard

inputSource

private java.lang.Readable inputSource

Constructor Detail

SimpleUI

public SimpleUI()

Construct this user interface.

Method Detail

setReadable

public void setReadable(java.lang.Readable rdr)

Provide an input source for this user interface.

Parameters:

rdr - a Readable from which to obtain the input.

setControl

public void setControl(Controller ctrl)

Make the interface visible

Specified by:

setControl in interface HangmanUI

Parameters:

ctrl - the controller for this view

setVisible

public void setVisible(boolean visible)

The main event loop

Specified by:

setVisible in interface HangmanUI

Parameters:

visible - unused

update

public void update(java.util.Observable o,
                   java.lang.Object arg)

Update the ui when notified by the game.

Specified by:

update in interface HangmanUI

Specified by:

update in interface java.util.Observer

Parameters:

o - which observable notified us

arg - an object passed from the observable

showBoard

public void showBoard(Game game)

Display the current state of the board. Specifically, display the turn counter and display the board in some formatted manner.

Parameters:

game - the game we are observing

getMove

private char getMove()

Asks the user for a move until the user enters a move that is valid.

showWin

public void showWin()

Display that the player won the game.

Specified by:

showWin in interface HangmanUI

showLose

public void showLose(java.lang.String message)

Display that the player lost the game. Reveal the solution.

Specified by:

showLose in interface HangmanUI

Parameters:

message - the correct solution to the puzzle

playAgain

public void playAgain()

Handle end of game, asking if the player wants another game If yes, start a new game, otherwise exit.

Specified by:

playAgain in interface HangmanUI