capella.GUI
Class LabelImage

java.lang.Object
  java.awt.Component
      capella.GUI.LabelImage

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable

public class LabelImage
extends Component

A LabelImage object is a lightweight component for placing an image in a container.

For example the code:

 setLayout(new BorderLayout());
 add("Center",new LabelImage(INSERT_AN_URL_HERE,LabelImage.LEFT);
 

Since:

JDK1.1

Version:

1.0 (1998)

Author:

Jean-Baptiste Yunès (Jean-Baptiste.Yunes@liafa.jussieu.fr)

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

static int	BOTTOM Indicates that the label should be placed at the bottom.
static int	CENTER Indicates that the label should be centered.
static int	LEFT Indicates that the label should be placed on the left.
static int	RIGHT Indicates that the label should be placed on the right.
static int	TOP Indicates that the label should be placed on top.

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

LabelImage(String path)
Constructs a centered label.

LabelImage(String path, int alignment)
Constructs a label justified as desired.

LabelImage(URL url)
Constructs a centered label.

LabelImage(URL url, int alignment)
Constructs a label justified as desired.

Method Summary

int	getAlignment() Gets the current alignment for this label.
Image	getImage() Gets the current image.
Dimension	getPreferredSize() Gets the preferred size for this label.
void	paint(Graphics g) Paints this label.
void	setAlignment(int alignment) Sets the alignment for this label.
void	setImage(Image image) Sets the image for this label.

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getAlignmentX, getAlignmentY, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, 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, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, 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, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, update, validate

Methods inherited from class java.lang.Object

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

Field Detail

CENTER

public static final int CENTER

Indicates that the label should be centered.

See Also:

Constant Field Values

LEFT

public static final int LEFT

Indicates that the label should be placed on the left.

See Also:

Constant Field Values

RIGHT

public static final int RIGHT

Indicates that the label should be placed on the right.

See Also:

Constant Field Values

TOP

public static final int TOP

Indicates that the label should be placed on top.

See Also:

Constant Field Values

BOTTOM

public static final int BOTTOM

Indicates that the label should be placed at the bottom.

See Also:

Constant Field Values

Constructor Detail

LabelImage

public LabelImage(String path)

Constructs a centered label.

Parameters:

path - the path of a local image-file.

LabelImage

public LabelImage(String path,
                  int alignment)

Constructs a label justified as desired.

Possible values for alignment are LabelImage.CENTER, LabelImage.LEFT, LabelImage.RIGHT, LabelImage.TOP and LabelImage.BOTTOM.

Parameters:

path - the path of a local image-file.

alignment - the alignment value.

LabelImage

public LabelImage(URL url)

Constructs a centered label.

Parameters:

url - the URL of an image.

LabelImage

public LabelImage(URL url,
                  int alignment)

Constructs a label justified as desired.

Possible values for alignment are LabelImage.CENTER, LabelImage.LEFT, LabelImage.RIGHT, LabelImage.TOP and LabelImage.BOTTOM.

Parameters:

url - the URL of an image.

alignment - the alignment value.

Method Detail

getImage

public Image getImage()

Gets the current image.

Returns:

the current image.

See Also:

setImage(java.awt.Image)

setImage

public void setImage(Image image)

Sets the image for this label.

Parameters:

image - the image to use.

Throws:

IllegalArgumentException - if an null object is given.

See Also:

getImage()

getAlignment

public int getAlignment()

Gets the current alignment for this label.

Possible values for alignment are LabelImage.CENTER, LabelImage.LEFT, LabelImage.RIGHT, LabelImage.TOP and LabelImage.BOTTOM.

Returns:

the current alignment.

See Also:

setAlignment(int)

setAlignment

public void setAlignment(int alignment)

Sets the alignment for this label.

Possible values for alignment are LabelImage.CENTER, LabelImage.LEFT, LabelImage.RIGHT, LabelImage.TOP and LabelImage.BOTTOM.

Parameters:

alignment - the desired alignment.

Throws:

IllegalArgumentException - if an illegal value for alignment is given.

See Also:

getAlignment()

paint

public void paint(Graphics g)

Paints this label.

Overrides:

paint in class Component

Parameters:

g - the graphics context to use for painting.

getPreferredSize

public Dimension getPreferredSize()

Gets the preferred size for this label.

Overrides:

getPreferredSize in class Component

Returns:

the size in a Dimension