jwo.landserf.gui
Class ColourBar

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  jwo.landserf.gui.ColourBar

All Implemented Interfaces:

Accessible, ActionListener, EventListener, ImageObserver, MenuContainer, Serializable

public class ColourBar

extends JPanel

implements ActionListener

Creates a colour bar to represent colour tables. Useful for colour editing and map legends.

Version:

2.2, 25th August, 2004

Author:

Jo Wood

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

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

ColourBar(Frame parent, ColourTable ct)
Creates the horizontal colour bar and associates a colour table with it.

ColourBar(Frame parent, ColourTable ct, boolean showRange, boolean isEditable)
Creates the horizontal colour bar and associates a colour table with it.

Method Summary

void	actionPerformed(ActionEvent event) Responds to a change in one of the preset colourtable selections by updating the editable colour table.
void	addColourEditListener(ColourEditListener ctListener) Adds a colour edit listener.
ImageIcon	createIcon(int width, int height) Creates an ImageIcon representation of the colour bar.
ColourRule	getActiveRule() Reports the currently selected active rule, or null if none selected.
ColourTable	getColourTable() Reports the colour table associated with this colour bar.
void	removeColourEditListener(ColourEditListener ctListener) Removes a colour edit listener form those informed by changes to the colour table.
void	setColourTable(ColourTable ct) Changes the colour table associated with the colour bar.

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, 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, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, 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

ColourBar

public ColourBar(Frame parent,
                 ColourTable ct)

Creates the horizontal colour bar and associates a colour table with it.

Parameters:

parent - Frame holding colour bar.

ct - Colour table associated with colour bar.

ColourBar

public ColourBar(Frame parent,
                 ColourTable ct,
                 boolean showRange,
                 boolean isEditable)

Creates the horizontal colour bar and associates a colour table with it.

Parameters:

parent - Frame holding colour bar.

ct - Colour table associated with colour bar.

showRange - Minimum and maximum values shown if true.

isEditable - Allows colour values to be edited if true.

Method Detail

setColourTable

public void setColourTable(ColourTable ct)

Changes the colour table associated with the colour bar.

Parameters:

ct - New colour table to associate with bar.

getColourTable

public ColourTable getColourTable()

Reports the colour table associated with this colour bar.

Returns:

Colour table associated with colour bar.

getActiveRule

public ColourRule getActiveRule()

Reports the currently selected active rule, or null if none selected.

Returns:

Graphically selected active rule or null if none selected.

createIcon

public ImageIcon createIcon(int width,
                            int height)

Creates an ImageIcon representation of the colour bar.

Parameters:

width - Width of icon.

height - Height of icon.

Returns:

icon ImageIcon version of the colour bar.

addColourEditListener

public void addColourEditListener(ColourEditListener ctListener)

Adds a colour edit listener. All such listeners will be informed whenever the colourtable represented by this bar changes.

Parameters:

ctListener - Colour edit listener to add.

removeColourEditListener

public void removeColourEditListener(ColourEditListener ctListener)

Removes a colour edit listener form those informed by changes to the colour table.

Parameters:

ctListener - Colour edit listener to remove,

actionPerformed

public void actionPerformed(ActionEvent event)

Responds to a change in one of the preset colourtable selections by updating the editable colour table.

Specified by:

actionPerformed in interface ActionListener

Parameters:

event - Action event.