java.awt
Class Label

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Label

All Implemented Interfaces:

java.awt.image.ImageObserver

public class Label

extends Component

A component that displays a single line of read-only text.

Field Summary

static int	CENTER The center alignment.
static int	LEFT The left alignment.
static int	RIGHT The right alignment.

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Label()
Constructs an empty label.

Label(String label)
Constructs a new label with the specified String of text.

Label(String label, int alignment)
Constructs a new label with the specified String of text and the specified alignment.

Method Summary

void	addNotify() Creates the peer for this label.
int	getAlignment() Gets the current alignment of this label.
String	getText() Gets the text of this label.
protected String	paramString() Returns the parameter String of this label.
void	setAlignment(int alignment) Sets the alignment for this label to the specified alignment.
void	setText(String label) Sets the text for this label to the specified text.

Methods inherited from class java.awt.Component

action, bounds, checkImage, checkImage, createImage, createImage, deliverEvent, disable, enable, enable, getBackground, getColorModel, getFont, getFontMetrics, getForeground, getGraphics, getParent, getPeer, getToolkit, gotFocus, handleEvent, hide, imageUpdate, inside, invalidate, isEnabled, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paint, paintAll, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, removeNotify, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBackground, setFont, setForeground, show, show, size, toString, update, validate

Methods inherited from class java.lang.Object

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

Field Detail

LEFT

public static final int LEFT

The left alignment.

See Also:

Constant Field Values

CENTER

public static final int CENTER

The center alignment.

See Also:

Constant Field Values

RIGHT

public static final int RIGHT

The right alignment.

See Also:

Constant Field Values

Constructor Detail

Label

public Label()

Constructs an empty label.

Label

public Label(String label)

Constructs a new label with the specified String of text.

Parameters:

label - the text that makes up the label

Label

public Label(String label,
             int alignment)

Constructs a new label with the specified String of text and the specified alignment.

Parameters:

label - the String that makes up the label

alignment - the alignment value

Method Detail

addNotify

public void addNotify()

Creates the peer for this label. The peer allows us to modify the appearance of the label without changing its functionality.

Overrides:

addNotify in class Component

See Also:

Component.getPeer(), Component.removeNotify()

getAlignment

public int getAlignment()

Gets the current alignment of this label.

See Also:

setAlignment(int)

setAlignment

public void setAlignment(int alignment)

Sets the alignment for this label to the specified alignment.

Parameters:

alignment - the alignment value

Throws:

IllegalArgumentException - If an improper alignment was given.

See Also:

getAlignment()

getText

public String getText()

Gets the text of this label.

See Also:

setText(java.lang.String)

setText

public void setText(String label)

Sets the text for this label to the specified text.

Parameters:

label - the text that makes up the label

See Also:

getText()

paramString

protected String paramString()

Returns the parameter String of this label.

Overrides:

paramString in class Component