com.jmobilecore.ui.core
Class SimpleCheckbox

java.lang.Object
  com.jmobilecore.ui.core.Component
      com.jmobilecore.ui.core.Label
          com.jmobilecore.ui.core.SimpleCheckbox

Direct Known Subclasses:

ListCheckbox

public class SimpleCheckbox
extends Label

A check box is a graphical component that can be in either an "on" (true) or "off" (false) state. Clicking on a check box changes its state from "on" to "off," or from "off" to "on." This object cannot be included into CheckboxGroup object

Author:

Greg Gridin

Field Summary

boolean

state The state of the Checkbox.

Fields inherited from class com.jmobilecore.ui.core.Label

text

Fields inherited from class com.jmobilecore.ui.core.Component

alignment, background, CENTER, focusable, focusedBackground, focusedForeground, font, foreground, height, isCompletelyVisible, isFocused, isVisible, LEFT, parentScreen, RIGHT, screenY, valid, width

Constructor Summary

SimpleCheckbox(java.lang.String label, boolean state)
Creates a check box with the specified label and sets the specified state.

SimpleCheckbox(java.lang.String label, javax.microedition.lcdui.Font font, boolean state)
Creates a check box with the specified label and sets the specified state.

Method Summary

boolean	keyPressed(int keyCode) Responds to key presses when the button has focus.
void	paint(javax.microedition.lcdui.Graphics g) Paints the checkbox to the screen.

Methods inherited from class com.jmobilecore.ui.core.Label

createTitleLabel, getText, setText

Methods inherited from class com.jmobilecore.ui.core.Component

destructor, getBackground, getFont, getForeground, getHeight, getWidth, invalidate, isFocusOwner, keyReleased, keyRepeated, paintBackground, pointerDragged, pointerPressed, pointerReleased, prepareForeground, releaseFocus, requestFocus, setFont, setHeight

Methods inherited from class java.lang.Object

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

Field Detail

state

public boolean state

The state of the Checkbox.

Constructor Detail

SimpleCheckbox

public SimpleCheckbox(java.lang.String label,
                      boolean state)

Creates a check box with the specified label and sets the specified state.

Parameters:

label - a string label for this check box, or null for no label

state - the initial state of this check box

SimpleCheckbox

public SimpleCheckbox(java.lang.String label,
                      javax.microedition.lcdui.Font font,
                      boolean state)

Creates a check box with the specified label and sets the specified state.

Parameters:

label - a string label for this check box, or null for no label

state - the initial state of this check box

Method Detail

keyPressed

public boolean keyPressed(int keyCode)

Responds to key presses when the button has focus.

Overrides:

keyPressed in class Component

Parameters:

keyCode - The pressed key.

paint

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

Paints the checkbox to the screen.

Overrides:

paint in class Label

Parameters:

g - The Graphics object