arlut.csd.JTree
Class treeCanvas

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--arlut.csd.JTree.treeCanvas

All Implemented Interfaces:

java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable

class treeCanvas

extends javax.swing.JComponent

implements java.awt.event.MouseListener, java.awt.event.MouseMotionListener

This class is the actual rendering surface used by the JTree treeControl class.

See Also:

Serialized Form

Inner classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent, javax.swing.JComponent.ActionStandin, javax.swing.JComponent.IntVector, javax.swing.JComponent.KeyboardState

Inner classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.AWTTreeLock

Field Summary

private java.awt.Image	backing
private java.awt.Rectangle	backing_rect
private java.awt.Graphics	bg
private java.awt.Color	bgColor
private java.awt.Rectangle	boundingBox
private treeControl	ctrl
(package private) static boolean	debug
(package private) static boolean	debug2
private boolean	dontdrag
private java.awt.Color	dragLineColor
private boolean	dragSelected
private boolean	drawLine
private java.awt.Color	fgColor
private java.awt.Font	font
private java.awt.FontMetrics	fontMetric
(package private) int	h_offset
(package private) int	hiBound
private int	iconTextSpacing
private java.awt.Image[]	images
private int	lastMaxWidth
private int	leftSpacing
(package private) static java.lang.Object	LINE
private java.awt.Color	lineColor
(package private) int	loBound
private int	maxImageHeight
private java.awt.Image	minusBox
private java.awt.Image	plusBox
private int	rowAscent
private int	rowDescent
private int	rowHeight
private int	rowLeading
(package private) static java.lang.Object	SPACE
private java.awt.Image	sprite
private java.awt.Point	spriteLoc
private boolean	spriteVisible
private int	tabStep
(package private) int	v_offset

Fields inherited from class javax.swing.JComponent

_bounds, accessibleContext, actionMap, ACTIONMAP_CREATED, alignmentX, alignmentY, ANCESTOR_INPUTMAP_CREATED, ANCESTOR_USING_BUFFER, ancestorInputMap, ancestorNotifier, autoscroller, border, changeSupport, clientProperties, CREATED_DOUBLE_BUFFER, flags, FOCUS_INPUTMAP_CREATED, focusInputMap, HAS_FOCUS, htmlKey, htmlView, inputVerifier, IS_DOUBLE_BUFFERED, IS_OPAQUE, IS_PAINTING_TILE, IS_PRINTING, IS_PRINTING_ALL, KEY_EVENTS_ENABLED, KEYBOARD_BINDINGS_KEY, listenerList, maximumSize, minimumSize, NEXT_FOCUS, paintImmediatelyClip, paintingChild, preferredSize, readObjectCallbacks, REQUEST_FOCUS_DISABLED, tmpRect, TOOL_TIP_TEXT_KEY, ui, uiClassID, UNDEFINED_CONDITION, verifyInputWhenFocusTarget, vetoableChangeSupport, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW, WHEN_IN_FOCUSED_WINDOW_BINDINGS, WIF_INPUTMAP_CREATED, windowInputMap

Fields inherited from class java.awt.Container

component, containerListener, containerSerializedDataVersion, dbg, dispatcher, layoutMgr, listeningBoundsChildren, listeningChildren, maxSize, ncomponents, printing, printingThreads, serialVersionUID

Fields inherited from class java.awt.Component

actionListenerK, adjustmentListenerK, appContext, background, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, componentListener, componentListenerK, componentOrientation, componentSerializedDataVersion, containerListenerK, cursor, dropTarget, enabled, eventMask, focusListener, focusListenerK, foreground, graphicsConfig, hasFocus, height, hierarchyBoundsListener, hierarchyBoundsListenerK, hierarchyListener, hierarchyListenerK, incRate, inputMethodListener, inputMethodListenerK, isInc, isPacked, itemListenerK, keyListener, keyListenerK, LEFT_ALIGNMENT, locale, LOCK, metrics, minSize, mouseListener, mouseListenerK, mouseMotionListener, mouseMotionListenerK, name, nameExplicitlySet, newEventsOnly, ownedWindowK, parent, peer, peerFont, popups, prefSize, privateKey, RIGHT_ALIGNMENT, textListenerK, TOP_ALIGNMENT, valid, visible, width, windowClosingException, windowListenerK, x, y

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

treeCanvas(treeControl ctrl, java.awt.Font font, java.awt.Color fgColor, java.awt.Color bgColor, java.awt.Image[] images)

Method Summary

(package private) boolean	buildBoxes()
(package private) void	drawRow(treeNode node, int row, java.util.Vector s)
java.awt.Dimension	getMinimumSize()
java.awt.Dimension	getPreferredSize()
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseDragged(java.awt.event.MouseEvent e)
void	mouseEntered(java.awt.event.MouseEvent e)
void	mouseExited(java.awt.event.MouseEvent e)
void	mouseMoved(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e)
void	mouseReleased(java.awt.event.MouseEvent e)
void	paint(java.awt.Graphics g) Copy our backing store to our canvas
(package private) void	popupHandler(java.awt.event.MouseEvent e, treeNode node)
(package private) void	recursiveGenStack(treeNode node, java.util.Stack stack)
(package private) void	render()
void	update(java.awt.Graphics g) Call our paint method without clearing to prevent flashing

Methods inherited from class javax.swing.JComponent

_paintImmediately, , addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, adjustPaintFlags, alwaysOnTop, checkIfChildObscuredBySibling, clearFocusOwners, componentInputMapChanged, computeVisibleRect, computeVisibleRect, compWriteObjectNotify, contains, createToolTip, disable, enable, enableSerialization, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getActionMap, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperties, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getCreatedDoubleBuffer, getDebugGraphicsOptions, getFlag, getGraphics, getHeight, getInputMap, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getNextFocusableComponent, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getUIClassID, getVerifyInputWhenFocusTarget, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, hide, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paintWithBuffer, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyBindings, processKeyBindingsForAllComponents, processKeyEvent, processMouseMotionEvent, putClientProperty, readObject, rectangleIsObscured, rectangleIsObscuredBySibling, registerKeyboardAction, registerKeyboardAction, registerWithKeyboardManager, registerWithKeyboardManager, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setCreatedDoubleBuffer, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFlag, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPaintingChild, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVerifyInputWhenFocusTarget, setVisible, shouldDebugGraphics, superProcessMouseMotionEvent, unregisterKeyboardAction, unregisterWithKeyboardManager, unregisterWithKeyboardManager, updateUI, writeObject

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, adjustListeningChildren, applyOrientation, checkGD, countComponents, createChildHierarchyEvents, createHierarchyEvents, deliverEvent, dispatchEventImpl, dispatchEventToSelf, doLayout, eventEnabled, findComponentAt, findComponentAt, findComponentAt, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents_NoClientCode, getComponents, getLayout, getMouseEventTarget, getWindow, initIDs, insets, invalidate, invalidateTree, isAncestorOf, layout, lightweightPaint, lightweightPrint, list, list, locate, minimumSize, nextFocus, numListening, paintComponents, paintHeavyweightComponents, postProcessKeyEvent, postsOldMouseEvents, preferredSize, preProcessKeyEvent, printComponents, printHeavyweightComponents, processContainerEvent, processEvent, proxyEnableEvents, proxyRequestFocus, remove, remove, removeAll, removeContainerListener, setFocusOwner, setLayout, transferFocus, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, areInputMethodsEnabled, bounds, checkImage, checkImage, checkWindowClosingException, coalesceEvents, constructComponentName, contains, createImage, createImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getAccessibleIndexInParent, getAccessibleStateSet, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont_NoClientCode, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen_NoTreeLock, getLocationOnScreen, getName, getNativeContainer, getParent_NoClientCode, getParent, getPeer, getSize, getToolkit, getToolkitImpl, getTreeLock, getWindowForObject, gotFocus, handleEvent, imageUpdate, inside, isDisplayable, isEnabled, isEnabledImpl, isLightweight, isRecursivelyVisible, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, repaint, repaint, repaint, resetGC, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

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

Field Detail

debug

static final boolean debug

debug2

static final boolean debug2

SPACE

static final java.lang.Object SPACE

LINE

static final java.lang.Object LINE

ctrl

private treeControl ctrl

font

private java.awt.Font font

fgColor

private java.awt.Color fgColor

bgColor

private java.awt.Color bgColor

lineColor

private java.awt.Color lineColor

dragLineColor

private java.awt.Color dragLineColor

fontMetric

private java.awt.FontMetrics fontMetric

rowHeight

private int rowHeight

rowAscent

private int rowAscent

rowDescent

private int rowDescent

rowLeading

private int rowLeading

images

private java.awt.Image[] images

maxImageHeight

private int maxImageHeight

leftSpacing

private int leftSpacing

tabStep

private int tabStep

iconTextSpacing

private int iconTextSpacing

plusBox

private java.awt.Image plusBox

minusBox

private java.awt.Image minusBox

backing

private java.awt.Image backing

backing_rect

private java.awt.Rectangle backing_rect

bg

private java.awt.Graphics bg

lastMaxWidth

private int lastMaxWidth

boundingBox

private java.awt.Rectangle boundingBox

spriteLoc

private java.awt.Point spriteLoc

spriteVisible

private boolean spriteVisible

dontdrag

private boolean dontdrag

drawLine

private boolean drawLine

dragSelected

private boolean dragSelected

sprite

private java.awt.Image sprite

loBound

int loBound

hiBound

int hiBound

h_offset

int h_offset

v_offset

int v_offset

Constructor Detail

treeCanvas

public treeCanvas(treeControl ctrl,
                  java.awt.Font font,
                  java.awt.Color fgColor,
                  java.awt.Color bgColor,
                  java.awt.Image[] images)

Parameters:

font - Font for text in the Tree Canvas

fgColor - Foreground color for text in the treeCanvas

bg - Background color for text in the treeCanvas

images - Array of images to be used in the canvas; nodes refer to images by index

Method Detail

getMinimumSize

public java.awt.Dimension getMinimumSize()

Overrides:

getMinimumSize in class javax.swing.JComponent

getPreferredSize

public java.awt.Dimension getPreferredSize()

Overrides:

getPreferredSize in class javax.swing.JComponent

paint

public void paint(java.awt.Graphics g)

Copy our backing store to our canvas

Overrides:

paint in class javax.swing.JComponent

update

public void update(java.awt.Graphics g)

Call our paint method without clearing to prevent flashing

Overrides:

update in class javax.swing.JComponent

render

void render()

recursiveGenStack

void recursiveGenStack(treeNode node,
                       java.util.Stack stack)

drawRow

void drawRow(treeNode node,
             int row,
             java.util.Vector s)

buildBoxes

boolean buildBoxes()

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

popupHandler

void popupHandler(java.awt.event.MouseEvent e,
                  treeNode node)