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java.awt
Class Label  

java.lang.Object
  java.awt.Component
      java.awt.Label

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, MenuContainer, java.io.Serializable

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public class Label

extends Component

implements javax.accessibility.Accessible

This component is used for displaying simple text strings that cannot be edited by the user.

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Nested Class Summary
protected  class	Label.AccessibleAWTLabel           This class provides accessibility support for the label.

 

Nested classes inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy, Component.HeavyweightInLightweightListener

 

Field Summary
private  int	alignment
static int	CENTER           Alignment constant aligning the text in the center of its window.
static int	LEFT           Alignment constant aligning the text to the left of its window.
static int	RIGHT           Alignment constant aligning the text to the right of its window.
private static long	serialVersionUID
private  java.lang.String	text

 

Fields inherited from class java.awt.Component

accessibleContext, background, BOTTOM_ALIGNMENT, bufferStrategy, CENTER_ALIGNMENT, changeSupport, componentListener, componentSerializedDataVersion, cursor, dropTarget, enabled, eventMask, focusable, focusListener, focusTraversalKeys, focusTraversalKeysEnabled, font, foreground, graphicsConfig, height, hierarchyBoundsListener, hierarchyListener, ignoreRepaint, inputMethodListener, isFocusTraversableOverridden, isPacked, keyListener, LEFT_ALIGNMENT, locale, minSize, mouseListener, mouseMotionListener, mouseWheelListener, name, nameExplicitlySet, newEventsOnly, orientation, parent, peer, peerFont, popups, prefSize, RIGHT_ALIGNMENT, TOP_ALIGNMENT, treeLock, valid, visible, width, x, y

 

Fields inherited from interface java.awt.image.ImageObserver

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

 

Constructor Summary

Label()           Initializes a new instance of Label with no text.

Label(java.lang.String text)           Initializes a new instance of Label with the specified text that is aligned to the left.

Label(java.lang.String text, int alignment)           Initializes a new instance of Label with the specified text and alignment.

 

Method Summary
void	addNotify()           Notifies this label that it has been added to a container, causing the peer to be created.
javax.accessibility.AccessibleContext	getAccessibleContext()           Gets the AccessibleContext associated with this Label.
int	getAlignment()           Returns the constant indicating the alignment of the text in this label.
java.lang.String	getText()           Returns the text displayed in this label.
protected  java.lang.String	paramString()           Returns a parameter string useful for debugging.
void	setAlignment(int alignment)           Sets the text alignment of this label to the specified value.
void	setText(java.lang.String text)           Sets the text in this label to the specified value.

 

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, dispatchEventImpl, doLayout, enable, enable, enableEvents, enableInputMethods, eventTypeEnabled, findNextFocusComponent, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, generateName, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getGraphicsConfigurationImpl, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paint, paintAll, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setPeer, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, translateEvent, 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

Alignment constant aligning the text to the left of its window.

See Also:

Constant Field Values

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CENTER

public static final int CENTER

Alignment constant aligning the text in the center of its window.

See Also:

Constant Field Values

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RIGHT

public static final int RIGHT

Alignment constant aligning the text to the right of its window.

See Also:

Constant Field Values

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serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

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alignment

private int alignment

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text

private java.lang.String text

Constructor Detail

Label

public Label()

Initializes a new instance of Label with no text.

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Label

public Label(java.lang.String text)

Initializes a new instance of Label with the specified text that is aligned to the left.

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Label

public Label(java.lang.String text,
             int alignment)

Initializes a new instance of Label with the specified text and alignment.

Method Detail

getAlignment

public int getAlignment()

Returns the constant indicating the alignment of the text in this label. The value returned will be one of the alignment constants from this class.

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setAlignment

public void setAlignment(int alignment)

Sets the text alignment of this label to the specified value.

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getText

public java.lang.String getText()

Returns the text displayed in this label.

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setText

public void setText(java.lang.String text)

Sets the text in this label to the specified value.

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addNotify

public void addNotify()

Notifies this label that it has been added to a container, causing the peer to be created. This method is called internally by the AWT system.

Overrides:

addNotify in class Component

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paramString

protected java.lang.String paramString()

Returns a parameter string useful for debugging.

Overrides:

paramString in class Component

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getAccessibleContext

public javax.accessibility.AccessibleContext getAccessibleContext()

Gets the AccessibleContext associated with this Label. The context is created, if necessary.

Specified by:

getAccessibleContext in interface javax.accessibility.Accessible

Overrides:

getAccessibleContext in class Component

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Home >> All >> java >> [ awt overview ]	PREV CLASS  NEXT CLASS
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