extra.ui
Class Pushbutton

java.lang.Object
  |
  +--waba.ui.Control
        |
        +--extra.ui.Pushbutton

All Implemented Interfaces:

PreferredSize

public class Pushbutton

extends Control

implements PreferredSize

This is a standard palm pushbutton.

Constructor Summary

Pushbutton(String name)
Constructs a new unconnected, unselected push button.

Pushbutton(String name, boolean state)
Construct a new unconnected push button with the given selection status.

Pushbutton(String name, boolean state, Pushbutton connection)
Construct a new push button with the given selection status in the same group as the given pushbutton.

Pushbutton(String name, Pushbutton connection)
Constructs a new unselected push button in the same group as the given pushbutton.

Method Summary

void	connect(Pushbutton pb) Connects this Pushbutton with a group.
static Pushbutton[]	createGroup(String[] names, int selected)
void	disconnect() Removes this pushbutton from it's current group.
int	getPreferredHeight(FontMetrics fm)
int	getPreferredWidth(FontMetrics fm)
Pushbutton	getSelected() Gets the pushbutton that is selected in the current group
String	getText() Returns the text of this Button
boolean	isSelected() Is this pushbutton selected?
void	onEvent(Event event) Process pen and key events to this component
void	onPaint(Graphics g) Paints the push button to the screen
void	setSelected(boolean b) Sets whether the push button is pressed down or not

Methods inherited from class waba.ui.Control

addTimer, contains, createGraphics, getFontMetrics, getNext, getParent, getRect, postEvent, removeTimer, repaint, setRect

Methods inherited from class java.lang.Object

equals, hashCode, toString

Constructor Detail

Pushbutton

public Pushbutton(String name)

Constructs a new unconnected, unselected push button.

Parameters:

name - the text to go on the button

Pushbutton

public Pushbutton(String name,
                  Pushbutton connection)

Constructs a new unselected push button in the same group as the given pushbutton.

Parameters:

name - the text to go on the button

connection - the pushbutton to connect to

Pushbutton

public Pushbutton(String name,
                  boolean state)

Construct a new unconnected push button with the given selection status.

Parameters:

name - the text to go on the button

state - the state of the button

Pushbutton

public Pushbutton(String name,
                  boolean state,
                  Pushbutton connection)

Construct a new push button with the given selection status in the same group as the given pushbutton.

Parameters:

name - the text to go on the button

state - the state of the button

connection - the pushbutton to connect to

Method Detail

createGroup

public static Pushbutton[] createGroup(String[] names,
                                       int selected)

connect

public void connect(Pushbutton pb)

Connects this Pushbutton with a group. Only one pushbutton in a group can be selected at one time.

Parameters:

pb - the group to connect to

disconnect

public void disconnect()

Removes this pushbutton from it's current group.

getSelected

public Pushbutton getSelected()

Gets the pushbutton that is selected in the current group

Returns:

the selected pushbutton, or null if none

isSelected

public boolean isSelected()

Is this pushbutton selected?

Returns:

true if it is, false otherwise

setSelected

public void setSelected(boolean b)

Sets whether the push button is pressed down or not

Parameters:

b - true if selected, false otherwise

getText

public String getText()

Returns the text of this Button

getPreferredWidth

public int getPreferredWidth(FontMetrics fm)

Specified by:

getPreferredWidth in interface PreferredSize

getPreferredHeight

public int getPreferredHeight(FontMetrics fm)

Specified by:

getPreferredHeight in interface PreferredSize

onPaint

public void onPaint(Graphics g)

Paints the push button to the screen

Overrides:

onPaint in class Control

Following copied from class: waba.ui.Control

Parameters:

g - the graphics object for drawing

See Also:

Graphics

onEvent

public void onEvent(Event event)

Process pen and key events to this component

Overrides:

onEvent in class Control

Parameters:

event - the event to process