org.dartra.midpui
Class PlayDartsCanvas

java.lang.Object
  javax.microedition.lcdui.Displayable
      javax.microedition.lcdui.Canvas
          org.dartra.midpui.PlayDartsCanvas

Direct Known Subclasses:

GameCanvas, ScoreBoardCanvas

public abstract class PlayDartsCanvas

extends javax.microedition.lcdui.Canvas

A general purpose canvas used by the PlayDarts MIDlet.

This class has support for a button in the top left and top right part of the screen.

Author:

Erwin Vervaet

Field Summary

protected javax.microedition.lcdui.Image	backgroundImage The background image of the canvas
protected javax.microedition.lcdui.Image	leftTopButtonPressedImage The image overlay when the left top button is pressed.
protected PlayDarts	midlet The MIDlet that is using this canvas.
protected javax.microedition.lcdui.Image	rightTopButtonPressedImage The image overlay when the right top button is pressed.

Fields inherited from class javax.microedition.lcdui.Canvas

DOWN, FIRE, GAME_A, GAME_B, GAME_C, GAME_D, KEY_NUM0, KEY_NUM1, KEY_NUM2, KEY_NUM3, KEY_NUM4, KEY_NUM5, KEY_NUM6, KEY_NUM7, KEY_NUM8, KEY_NUM9, KEY_POUND, KEY_STAR, LEFT, RIGHT, UP

Constructor Summary

PlayDartsCanvas(PlayDarts midlet, java.lang.String bgImageName, java.lang.String leftTopButtonPressedImageName, java.lang.String rightTopButtonPressedImageName)

Method Summary

boolean	inLeftTopButton(int x, int y) Returns whether or not given coordinates are inside the left top button area.
boolean	inRightTopButton(int x, int y) Returns whether or not given coordinates are inside the right top button area.
protected void	paint(javax.microedition.lcdui.Graphics g)
protected void	pointerPressed(int x, int y)
protected void	pointerReleased(int x, int y)
abstract void	processClick(int x, int y) Called when the screen is clicked at any location other than inside the top left or top right buttons.
abstract void	processLeftTopButtonClick() Called when the top left button is clicked.
abstract void	processRightTopButtonClick() Called when the top right button is clicked.

Methods inherited from class javax.microedition.lcdui.Canvas

getGameAction, getKeyCode, getKeyName, hasPointerEvents, hasPointerMotionEvents, hasRepeatEvents, hideNotify, isDoubleBuffered, keyPressed, keyReleased, keyRepeated, pointerDragged, repaint, repaint, serviceRepaints, setFullScreenMode, showNotify, sizeChanged

Methods inherited from class javax.microedition.lcdui.Displayable

addCommand, getHeight, getTicker, getTitle, getWidth, isShown, removeCommand, setCommandListener, setTicker, setTitle

Methods inherited from class java.lang.Object

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

Field Detail

midlet

protected PlayDarts midlet

The MIDlet that is using this canvas.

backgroundImage

protected javax.microedition.lcdui.Image backgroundImage

The background image of the canvas

leftTopButtonPressedImage

protected javax.microedition.lcdui.Image leftTopButtonPressedImage

The image overlay when the left top button is pressed.

rightTopButtonPressedImage

protected javax.microedition.lcdui.Image rightTopButtonPressedImage

The image overlay when the right top button is pressed.

Constructor Detail

PlayDartsCanvas

public PlayDartsCanvas(PlayDarts midlet,
                       java.lang.String bgImageName,
                       java.lang.String leftTopButtonPressedImageName,
                       java.lang.String rightTopButtonPressedImageName)

Method Detail

paint

protected void paint(javax.microedition.lcdui.Graphics g)

pointerPressed

protected void pointerPressed(int x,
                              int y)

pointerReleased

protected void pointerReleased(int x,
                               int y)

inLeftTopButton

public boolean inLeftTopButton(int x,
                               int y)

Returns whether or not given coordinates are inside the left top button area.

inRightTopButton

public boolean inRightTopButton(int x,
                                int y)

Returns whether or not given coordinates are inside the right top button area.

processLeftTopButtonClick

public abstract void processLeftTopButtonClick()

Called when the top left button is clicked.

processRightTopButtonClick

public abstract void processRightTopButtonClick()

Called when the top right button is clicked.

processClick

public abstract void processClick(int x,
                                  int y)

Called when the screen is clicked at any location other than inside the top left or top right buttons.