com.lyrisoft.awt
Class ImageButton

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Canvas
              |
              +--com.lyrisoft.awt.ImageButton

All Implemented Interfaces:

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

public class ImageButton

extends java.awt.Canvas

A button that displays an image. When being moused-over, a yellow border appears around the button.

See Also:

Serialized Form

Inner classes inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent

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

ImageButton(java.awt.Image img, java.lang.String command)
Create a new ImageButton with the specified image and command.

Method Summary

boolean	handleEvent(java.awt.Event e) Catching MOUSE_ENTER and MOUSE_EXIT events to set or unset the selected state.
java.awt.Dimension	minimumSize() returns our predetermined size - the size of the image we're displaying.
void	paint(java.awt.Graphics g) paint the image, and if the button is "selected" (being moused over), a border is drawn.
java.awt.Dimension	preferredSize() returns the minimum size
void	update(java.awt.Graphics g) calls paint(g)

Methods inherited from class java.awt.Canvas

addNotify, getAccessibleContext

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getName, getParent, getPeer, getPreferredSize, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, hasFocus, hide, imageUpdate, inside, invalidate, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFont, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageButton

public ImageButton(java.awt.Image img,
                   java.lang.String command)

Create a new ImageButton with the specified image and command.

Method Detail

preferredSize

public java.awt.Dimension preferredSize()

returns the minimum size

Overrides:

preferredSize in class java.awt.Component

minimumSize

public java.awt.Dimension minimumSize()

returns our predetermined size - the size of the image we're displaying. if the image was null, then our minimum size is 0 by 0.

Overrides:

minimumSize in class java.awt.Component

update

public void update(java.awt.Graphics g)

calls paint(g)

Overrides:

update in class java.awt.Component

paint

public void paint(java.awt.Graphics g)

paint the image, and if the button is "selected" (being moused over), a border is drawn.

Overrides:

paint in class java.awt.Canvas

handleEvent

public boolean handleEvent(java.awt.Event e)

Catching MOUSE_ENTER and MOUSE_EXIT events to set or unset the selected state. Catching MOUSE_UP events to trigger the command. A command is triggered by setting e.arg to our command, and then calling super.handleEvent(e)

Overrides:

handleEvent in class java.awt.Component