jcontrol.ui.vole
Class NumberChooser

java.lang.Object
  jcontrol.ui.vole.Component
      jcontrol.ui.vole.NumberChooser

public class NumberChooser
extends Component

The class NumberChosser implements a label showing a number. The number can be changed by an up-down button.
When the user changes the state, an ActionEvent of type VALUE_CHANGED is fired.

(c) Copyright 2003-2005 DOMOLOGIC GmbH

Version:

1.0

Author:

Marcus Timmermann

Field Summary

Fields inherited from class jcontrol.ui.vole.Component

eventQueue, focusOwner, font, g, height, listener, parent, visible, width, x, y

Constructor Summary

NumberChooser(int x, int y, int min, int max)

Method Summary

int	getValue() Returns the currently selected value.
boolean	onKeyEvent(KeyEvent e) Handle key events.
void	paint() Paint this ComboBox.
void	setActionListener(ActionListener listener) Sets an ActionListener for the ComboBox.
void	setBounds(int x, int y, int width, int height) Set the dimensions of this component.
void	setFont(Resource font) Sets the font for this component.
void	setValue(int value) Sets the specified value.
void	validate() Compute this component's preferred size and assign internal values width and height.

Methods inherited from class jcontrol.ui.vole.Component

getBounds, getParent, isVisible, onActionEvent, remove, removeFocus, requestFocus, setGraphics, setParent, setVisible, transferFocus

Methods inherited from class java.lang.Object

clone, equals, notifyAll, wait

Constructor Detail

NumberChooser

public NumberChooser(int x,
                     int y,
                     int min,
                     int max)

Method Detail

getValue

public int getValue()

Returns the currently selected value.

onKeyEvent

public boolean onKeyEvent(KeyEvent e)

Handle key events. On several user actions, an ActionEvent is fired.

Overrides:

onKeyEvent in class Component

Parameters:

e - the KeyEvent

Returns:

If this method returns true, the KeyEvent is handled by the super Container.

paint

public void paint()

Paint this ComboBox.

Overrides:

paint in class Component

setActionListener

public void setActionListener(ActionListener listener)

Sets an ActionListener for the ComboBox. It will receive ActionEvents everytime a combo box item is pressed.

Parameters:

listener - The ActionListener to assign to this ComboBox.

setBounds

public void setBounds(int x,
                      int y,
                      int width,
                      int height)

Set the dimensions of this component. The component is repainted automatically.

Overrides:

setBounds in class Component

Parameters:

x - x coordinate of the upper left corner

y - y coordinate of the upper left corner

width - The width of this component

height - The height of this component (this parameter is ignored)

setFont

public void setFont(Resource font)

Sets the font for this component.

Overrides:

setFont in class Component

Parameters:

font - The new font.

setValue

public void setValue(int value)

Sets the specified value. The value must be within the range specified for this NumberChooser.

Parameters:

v - the value to set

validate

public void validate()

Compute this component's preferred size and assign internal values width and height.

Overrides:

validate in class Component