jcontrol.ui.vole
Class Label

java.lang.Object
  |
  +--jcontrol.ui.vole.Component
        |
        +--jcontrol.ui.vole.Label

public class Label

extends Component

A label is a very simple component which displays non-editable text or an image resource. Labels cannot gain the input focus.

(C) DOMOLOGIC Home Automation GmbH 2003

Author:

Wolfgang Klingauf

Field Summary

protected int	align Text alignment
static int	ALIGN_CENTER Align text to the middle
static int	ALIGN_LEFT Align text to the right
static int	ALIGN_RIGHT Align text to the right
protected java.lang.Object	label String or image ressource

Fields inherited from class jcontrol.ui.vole.Component

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

Constructor Summary

Label(java.lang.Object label, int x, int y)
Construct a new label with x- and y-coordinate.

Label(java.lang.Object label, int x, int y, int width, int height, int align)
Constructs a new label with specified bounds and alignment.

Label(java.lang.String text, int x, int y, int align)
Construct a new label with specified alignment.

Method Summary

void	paint() Paint the label.
void	setAlign(int align, boolean revalidate) Set the alignment of the label.
void	setLabel(java.lang.Object label, boolean revalidate) Set a new label to display.
boolean	transferFocus() Label can't gain input focus.
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, onKeyEvent, remove, removeFocus, requestFocus, setBounds, setFont, setGraphics, setLocation, setParent, setVisible

Methods inherited from class java.lang.Object

clone, equals, finalize, notifyAll, wait

Field Detail

align

protected int align

Text alignment

ALIGN_CENTER

public static final int ALIGN_CENTER

Align text to the middle

See Also:

Constant Field Values

ALIGN_LEFT

public static final int ALIGN_LEFT

Align text to the right

See Also:

Constant Field Values

ALIGN_RIGHT

public static final int ALIGN_RIGHT

Align text to the right

See Also:

Constant Field Values

label

protected java.lang.Object label

String or image ressource

Constructor Detail

Label

public Label(java.lang.Object label,
             int x,
             int y)

Construct a new label with x- and y-coordinate.

Parameters:

label - A String or an image resource to print on the label.

x - the x-coordinate of the label's top-left corner

y - the y-coordinate of the label's top-left corner

Label

public Label(java.lang.Object label,
             int x,
             int y,
             int width,
             int height,
             int align)

Constructs a new label with specified bounds and alignment.

Parameters:

label - the label to display on the label

x - the x-coordinate of the label's top-left corner

y - the y-coordinate of the label's top-left corner

width - the width of the label

height - the height of the label

align - the horizontal alignment of the label. Possible values are ALIGN_LEFT, ALIGN_CENTER and ALIGN_RIGHT

Label

public Label(java.lang.String text,
             int x,
             int y,
             int align)

Construct a new label with specified alignment.

Parameters:

text - A String or an image resource to print on the label.

x - the x-coordinate of the label's top-left corner

y - the y-coordinate of the label's top-left corner

align - the horizontal alignment of the text. Possible values are ALIGN_LEFT, ALIGN_CENTER and ALIGN_RIGHT

Method Detail

paint

public void paint()

Paint the label.

Overrides:

paint in class Component

setAlign

public void setAlign(int align,
                     boolean revalidate)

Set the alignment of the label.

Parameters:

align - The horizontal alignment of the label.

revalidate - If true, the display area will be cleared before repainting.

setLabel

public void setLabel(java.lang.Object label,
                     boolean revalidate)

Set a new label to display.

Parameters:

label - The new label (string or image resource).

revalidate - If true, the display area will be cleared before repainting.

transferFocus

public boolean transferFocus()

Label can't gain input focus.

Overrides:

transferFocus in class Component

Returns:

true, if the focus was transferred successfully.

validate

public void validate()

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

Overrides:

validate in class Component