visad.util
Class ColorWidget

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Panel
              java.applet.Applet
                  visad.util.ColorWidget

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, EventListener, Accessible, ColorChangeListener

public class ColorWidget
extends Applet
implements ColorChangeListener

A color widget that allows users to interactively map numeric data to RGBA tuples based on the Vis5D color widget

Since:

Visad Utility Library, 0.5

Version:

$Revision: 1.15 $, $Date: 2002-06-28 15:59:02 $

Author:

Nick Rasmussen nick@cae.wisc.edu

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.applet.Applet

Applet.AccessibleApplet

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

Panel.AccessibleAWTPanel

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

Container.AccessibleAWTContainer

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

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

Field Summary

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

ColorWidget()
Construct a color widget with a ColorPreview and the default ColorMap

ColorWidget(boolean preview)
Construct a color widget with the default ColorMap

ColorWidget(ColorMap map)
Construct a color widget with a ColorPreview and the specified ColorMap

ColorWidget(ColorMap map, boolean preview)
Construct a color widget with the desired ColorMap and ColorPreview visibility

Method Summary

void	addColorChangeListener(ColorChangeListener c) Add a ColorChangeListener to the listeners list
void	colorChanged(ColorChangeEvent e) Listen to the ColorMap and re-dispatch the ColorChangeEvents to the ColorChangeListeners listening to the widget
ColorMap	getColorMap() Returns the ColorMap that the color wdget is curently pointing to
Dimension	getPreferredSize() Analyses the visible components and determines the preferred size
void	hidePreview() Hide the preview bar at the bottom of the widget
static void	main(String[] argv) main method for standalone testing
protected void	notifyListeners(ColorChangeEvent e) Notify the ColorChangeListerers that the color widget has changed
void	removeColorChangeListener(ColorChangeListener c) Remove a ColorChangeListener from the listeners list
void	setColorMap(ColorMap map) Set the ColorWidget to listen to a specific ColorMap
void	showPreview() Make the preview bar at the bottom of the widget visible

Methods inherited from class java.applet.Applet

destroy, getAccessibleContext, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, init, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, update, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

ColorWidget

public ColorWidget()
            throws RemoteException,
                   VisADException

Construct a color widget with a ColorPreview and the default ColorMap

Throws:

RemoteException

VisADException

ColorWidget

public ColorWidget(boolean preview)
            throws RemoteException,
                   VisADException

Construct a color widget with the default ColorMap

Parameters:

preview - indicates wether or not the preview bar at the bottom of the widget should be present

Throws:

RemoteException

VisADException

ColorWidget

public ColorWidget(ColorMap map)

Construct a color widget with a ColorPreview and the specified ColorMap

Parameters:

map - the ColorMap for the widget to use

ColorWidget

public ColorWidget(ColorMap map,
                   boolean preview)

Construct a color widget with the desired ColorMap and ColorPreview visibility

Parameters:

map - the ColorMap for the widget to use

preview - indicates wether or not the preview bar at the bottom of the widget should be present

Method Detail

main

public static void main(String[] argv)
                 throws RemoteException,
                        VisADException

main method for standalone testing

Throws:

RemoteException

VisADException

addColorChangeListener

public void addColorChangeListener(ColorChangeListener c)

Add a ColorChangeListener to the listeners list

removeColorChangeListener

public void removeColorChangeListener(ColorChangeListener c)

Remove a ColorChangeListener from the listeners list

notifyListeners

protected void notifyListeners(ColorChangeEvent e)

Notify the ColorChangeListerers that the color widget has changed

colorChanged

public void colorChanged(ColorChangeEvent e)

Listen to the ColorMap and re-dispatch the ColorChangeEvents to the ColorChangeListeners listening to the widget

Specified by:

colorChanged in interface ColorChangeListener

setColorMap

public void setColorMap(ColorMap map)

Set the ColorWidget to listen to a specific ColorMap

showPreview

public void showPreview()

Make the preview bar at the bottom of the widget visible

hidePreview

public void hidePreview()

Hide the preview bar at the bottom of the widget

getColorMap

public ColorMap getColorMap()

Returns the ColorMap that the color wdget is curently pointing to

getPreferredSize

public Dimension getPreferredSize()

Analyses the visible components and determines the preferred size

Overrides:

getPreferredSize in class Container