att.grappa
Class GrappaPanel

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  att.grappa.GrappaPanel

All Implemented Interfaces:

GrappaConstants, java.awt.event.ComponentListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.awt.print.Printable, java.io.Serializable, java.lang.Runnable, java.util.EventListener, javax.accessibility.Accessible, javax.swing.event.AncestorListener, javax.swing.event.PopupMenuListener, javax.swing.Scrollable

public class GrappaPanel
extends javax.swing.JPanel
implements GrappaConstants, java.awt.event.ComponentListener, javax.swing.event.AncestorListener, javax.swing.event.PopupMenuListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.print.Printable, java.lang.Runnable, javax.swing.Scrollable

A class used for drawing the graph.

Version:

1.2, 21 Aug 2005; Copyright 1996 - 2005 by AT&T Corp.

Author:

John Mocenigo, Research @ AT&T Labs

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

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

java.awt.Container.AccessibleAWTContainer

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

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

(package private) GrappaBacker	backer
private GrappaStyle	deletionStyle
(package private) boolean	edgeLabels
(package private) java.util.Vector	elementVector
(package private) Graph	graph
(package private) GrappaListener	grappaListener
private boolean	inMenu
(package private) java.awt.geom.AffineTransform	inverseTransform
(package private) int	nextElement
(package private) boolean	nodeLabels
(package private) java.awt.geom.AffineTransform	oldTransform
private GrappaBox	outline
private boolean	paintActive
private java.awt.geom.Point2D	panelcpt
private Element	pressedElement
private int	pressedModifiers
private GrappaPoint	pressedPoint
private GrappaBox	savedOutline
private boolean	scaleChanged
private double	scaleFactor
private double	scaleInfo
(package private) boolean	scaleToFit
(package private) GrappaSize	scaleToSize
private GrappaStyle	selectionStyle
private static long	serialVersionUID
(package private) boolean	subgLabels
(package private) Subgraph	subgraph
(package private) java.awt.geom.AffineTransform	transform
private GrappaBox	zoomBox

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 att.grappa.GrappaConstants

_NO_TYPE, ANONYMOUS_PREFIX, BBOX_ATTR, BBOX_HASH, BOX_SHAPE, BOX_TYPE, CLUSTERRANK_ATTR, COLOR_ATTR, COLOR_HASH, COLOR_TYPE, CUSTOM_ATTR, CUSTOM_HASH, CUSTOM_SHAPE, DELETION_MASK, DIAMOND_SHAPE, DIR_ATTR, DIR_HASH, DIR_TYPE, DISTORTION_ATTR, DISTORTION_HASH, DOUBLE_TYPE, DOUBLECIRCLE_SHAPE, DOUBLEOCTAGON_SHAPE, EDGE, EGG_SHAPE, FILLCOLOR_ATTR, FILLCOLOR_HASH, FONTCOLOR_ATTR, FONTCOLOR_HASH, FONTNAME_ATTR, FONTNAME_HASH, FONTSIZE_ATTR, FONTSIZE_HASH, FONTSTYLE_ATTR, FONTSTYLE_HASH, FONTSTYLE_TYPE, GRAPPA_BACKGROUND_COLOR_ATTR, GRAPPA_BACKGROUND_COLOR_HASH, GRAPPA_DELETION_STYLE_ATTR, GRAPPA_DELETION_STYLE_HASH, GRAPPA_FONTSIZE_ADJUSTMENT_ATTR, GRAPPA_FONTSIZE_ADJUSTMENT_HASH, GRAPPA_SELECTION_STYLE_ATTR, GRAPPA_SELECTION_STYLE_HASH, GRAPPA_SHAPE, HASHLIST_TYPE, HEADLABEL_ATTR, HEADLABEL_HASH, HEADLP_ATTR, HEADLP_HASH, HEIGHT_ATTR, HEIGHT_HASH, HEXAGON_SHAPE, HIGHLIGHT_MASK, HIGHLIGHT_OFF, HIGHLIGHT_ON, HIGHLIGHT_TOGGLE, HOUSE_SHAPE, IDENTXFRM, IMAGE_ATTR, IMAGE_HASH, INTEGER_TYPE, INVERTEDHOUSE_SHAPE, INVERTEDTRAPEZIUM_SHAPE, INVERTEDTRIANGLE_SHAPE, LABEL_ATTR, LABEL_HASH, LINE_SHAPE, LINE_TYPE, LOG10, LP_ATTR, LP_HASH, MARGIN_ATTR, MARGIN_HASH, MCIRCLE_SHAPE, MCLIMIT_ATTR, MCLIMIT_HASH, MDIAMOND_SHAPE, MINBOX_ATTR, MINBOX_HASH, MINLEN_ATTR, MINLEN_HASH, MINSIZE_ATTR, MINSIZE_HASH, MRECORD_SHAPE, MSQUARE_SHAPE, NBSP, NEW_LINE, NO_SHAPE, NODE, NODESEP_ATTR, NODESEP_HASH, OCTAGON_SHAPE, ORIENTATION_ATTR, ORIENTATION_HASH, OVAL_SHAPE, PACKAGE_PREFIX, PARALLELOGRAM_SHAPE, PATCH_ATTR, PATCH_HASH, PENTAGON_SHAPE, PERIPHERIES_ATTR, PERIPHERIES_HASH, PERIPHERY_GAP, PKG_LOWER, PKG_UPLOW, PKG_UPPER, PLAINTEXT_SHAPE, POINT_SHAPE, POINT_TYPE, PointsPerInch, POLYGON_SHAPE, POS_ATTR, POS_HASH, PRINTLIST_ATTR, PRINTLIST_HASH, RANKDIR_ATTR, RANKDIR_HASH, RANKSEP_ATTR, RANKSEP_HASH, RECORD_SHAPE, RECTS_ATTR, RECTS_HASH, ROTATION_ATTR, ROTATION_HASH, ROUNDEDBOX_SHAPE, SELECTION_MASK, SHAPE_ATTR, SHAPE_HASH, SHAPE_MASK, SHAPE_TYPE, SIDES_ATTR, SIDES_HASH, SIZE_ATTR, SIZE_HASH, SIZE_TYPE, SKEW_ATTR, SKEW_HASH, STRING_TYPE, STYLE_ATTR, STYLE_HASH, STYLE_TYPE, SUBGRAPH, SYSTEM, TAG_ATTR, TAG_HASH, TAILLABEL_ATTR, TAILLABEL_HASH, TAILLP_ATTR, TAILLP_HASH, TIP_ATTR, TIP_HASH, TRAPEZIUM_SHAPE, TRIANGLE_SHAPE, TRIPLEOCTAGON_SHAPE, TYPES_SHIFT, WEIGHT_ATTR, WEIGHT_HASH, WIDTH_ATTR, WIDTH_HASH

Fields inherited from interface java.awt.print.Printable

NO_SUCH_PAGE, PAGE_EXISTS

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

GrappaPanel(Subgraph subgraph)
Constructs a new canvas associated with a particular subgraph.

GrappaPanel(Subgraph subgraph, GrappaBacker backer)
Constructs a new canvas associated with a particular subgraph.

Method Summary

GrappaListener	addGrappaListener(GrappaListener listener) Adds the specified listener to receive mouse events from this graph.
void	ancestorAdded(javax.swing.event.AncestorEvent aev)
void	ancestorMoved(javax.swing.event.AncestorEvent aev)
void	ancestorRemoved(javax.swing.event.AncestorEvent aev)
void	centerPanelAtPoint(java.awt.geom.Point2D cpt) Centers the panel at the supplied point.
void	clearOutline() Clear swept outline, if any.
void	componentHidden(java.awt.event.ComponentEvent cev)
void	componentMoved(java.awt.event.ComponentEvent cev)
private java.awt.geom.Point2D	componentPaint(java.awt.Graphics g)
void	componentResized(java.awt.event.ComponentEvent cev)
void	componentShown(java.awt.event.ComponentEvent cev)
private Element	findContainingElement(Subgraph subg, java.awt.geom.Point2D pt)
private Element	findContainingElement(Subgraph subg, java.awt.geom.Point2D pt, Element crnt)
(package private) java.awt.geom.Point2D	getCPT()
java.awt.geom.AffineTransform	getInverseTransform() Get the inverse AffineTransform that applies to this drawing.
java.awt.Dimension	getPreferredScrollableViewportSize() Returns the size of the bounding box of the graph augmented by the margin attribute and any scaling.
int	getScrollableBlockIncrement(java.awt.Rectangle visibleRect, int orientation, int direction) Returns 90% of the view area dimension that is in the orientation of the requested scroll.
boolean	getScrollableTracksViewportHeight() Always returns false as the viewport should not force the height of this GrappaPanel to match the width of the viewport.
boolean	getScrollableTracksViewportWidth() Always returns false as the viewport should not force the width of this GrappaPanel to match the width of the viewport.
int	getScrollableUnitIncrement(java.awt.Rectangle visibleRect, int orientation, int direction) Always returns 1 since a GrappaPanel has not logical rows or columns.
Subgraph	getSubgraph() Get the subgraph being drawn on this panel.
java.lang.String	getToolTipText(java.awt.event.MouseEvent mev) Generate an appropriate tooltip based on the mouse location provided by the given event.
java.awt.geom.AffineTransform	getTransform() Get the AffineTransform that applies to this drawing.
boolean	hasOutline() Check if a swept outline is still available.
void	mouseClicked(java.awt.event.MouseEvent mev)
void	mouseDragged(java.awt.event.MouseEvent mev)
void	mouseEntered(java.awt.event.MouseEvent mev)
void	mouseExited(java.awt.event.MouseEvent mev)
void	mouseMoved(java.awt.event.MouseEvent mev)
void	mousePressed(java.awt.event.MouseEvent mev)
void	mouseReleased(java.awt.event.MouseEvent mev)
double	multiplyScaleFactor(double multiplier) Adjust the scale factor by the supplied multiplier.
void	paintComponent(java.awt.Graphics g)
private void	paintSubgraph(java.awt.Graphics2D g2d, Subgraph subg, java.awt.Shape clipper, java.awt.Color bkgdColor)
void	popupMenuCanceled(javax.swing.event.PopupMenuEvent pmev)
void	popupMenuWillBecomeInvisible(javax.swing.event.PopupMenuEvent pmev)
void	popupMenuWillBecomeVisible(javax.swing.event.PopupMenuEvent pmev)
int	print(java.awt.Graphics g, java.awt.print.PageFormat pf, int pi)
private Element	reallyFindContainingElement(Subgraph subg, java.awt.geom.Point2D pt, Element[] stash)
GrappaListener	removeGrappaListener() Removes the current listener from this graph.
void	resetZoom() Reset the scale factor to one.
void	run()
(package private) void	setCPT(java.awt.geom.Point2D cpt)
void	setScaleToFit(boolean setting) Enable/disable scale-to-fit mode.
void	setScaleToSize(java.awt.geom.Dimension2D scaleSize) Scale the graph drawing to a specific size.
void	setToolTipText(java.lang.String tip) Registers the default text to display in a tool tip.
GrappaBox	zoomToOutline() Zoom the drawing to the outline just swept with the mouse, if any.
GrappaBox	zoomToOutline(GrappaBox outline) Zoom the drawing to the outline just swept with the mouse, if any.

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

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

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, 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, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, 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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

graph

Graph graph

subgraph

Subgraph subgraph

backer

GrappaBacker backer

nodeLabels

boolean nodeLabels

edgeLabels

boolean edgeLabels

subgLabels

boolean subgLabels

transform

java.awt.geom.AffineTransform transform

oldTransform

java.awt.geom.AffineTransform oldTransform

inverseTransform

java.awt.geom.AffineTransform inverseTransform

elementVector

java.util.Vector elementVector

nextElement

int nextElement

scaleToFit

boolean scaleToFit

scaleToSize

GrappaSize scaleToSize

grappaListener

GrappaListener grappaListener

pressedElement

private Element pressedElement

pressedPoint

private GrappaPoint pressedPoint

pressedModifiers

private int pressedModifiers

selectionStyle

private GrappaStyle selectionStyle

deletionStyle

private GrappaStyle deletionStyle

scaleFactor

private double scaleFactor

scaleInfo

private double scaleInfo

outline

private GrappaBox outline

savedOutline

private GrappaBox savedOutline

zoomBox

private GrappaBox zoomBox

inMenu

private boolean inMenu

scaleChanged

private boolean scaleChanged

paintActive

private boolean paintActive

panelcpt

private java.awt.geom.Point2D panelcpt

Constructor Detail

GrappaPanel

public GrappaPanel(Subgraph subgraph)

Constructs a new canvas associated with a particular subgraph. Keep in mind that Graph is a sub-class of Subgraph so that usually a Graph object is passed to the constructor.

Parameters:

subgraph - the subgraph to be rendered on the canvas

GrappaPanel

public GrappaPanel(Subgraph subgraph,
                   GrappaBacker backer)

Constructs a new canvas associated with a particular subgraph.

Parameters:

subgraph - the subgraph to be rendered on the canvas.

backer - used to draw a background for the graph.

Method Detail

addGrappaListener

public GrappaListener addGrappaListener(GrappaListener listener)

Adds the specified listener to receive mouse events from this graph.

Parameters:

listener - the event listener.

Returns:

the previous event listener.

See Also:

GrappaAdapter

removeGrappaListener

public GrappaListener removeGrappaListener()

Removes the current listener from this graph. Equivalent to addGrappaListener(null).

Returns:

the event listener just removed.

print

public int print(java.awt.Graphics g,
                 java.awt.print.PageFormat pf,
                 int pi)
          throws java.awt.print.PrinterException

Specified by:

print in interface java.awt.print.Printable

Throws:

java.awt.print.PrinterException

paintComponent

public void paintComponent(java.awt.Graphics g)

Overrides:

paintComponent in class javax.swing.JComponent

setCPT

void setCPT(java.awt.geom.Point2D cpt)

getCPT

java.awt.geom.Point2D getCPT()

componentPaint

private java.awt.geom.Point2D componentPaint(java.awt.Graphics g)

centerPanelAtPoint

public void centerPanelAtPoint(java.awt.geom.Point2D cpt)

Centers the panel at the supplied point.

Parameters:

cpt - requested center point

getTransform

public java.awt.geom.AffineTransform getTransform()

Get the AffineTransform that applies to this drawing.

Returns:

the AffineTransform that applies to this drawing.

getInverseTransform

public java.awt.geom.AffineTransform getInverseTransform()

Get the inverse AffineTransform that applies to this drawing.

Returns:

the inverse AffineTransform that applies to this drawing.

setToolTipText

public void setToolTipText(java.lang.String tip)

Registers the default text to display in a tool tip. Setting the default text to null turns off tool tips. The default text is displayed when the mouse is outside the graph boundaries, but within the panel.

Overrides:

setToolTipText in class javax.swing.JComponent

See Also:

Graph.setToolTipText(String)

getToolTipText

public java.lang.String getToolTipText(java.awt.event.MouseEvent mev)

Generate an appropriate tooltip based on the mouse location provided by the given event.

Overrides:

getToolTipText in class javax.swing.JComponent

Returns:

if a GrappaListener is available, the result of its grappaTip() method is returned, otherwise null.

See Also:

setToolTipText(String)

setScaleToFit

public void setScaleToFit(boolean setting)

Enable/disable scale-to-fit mode.

Parameters:

setting - if true, the graph drawing is scaled to fit the panel, otherwise the graph is drawn full-size.

setScaleToSize

public void setScaleToSize(java.awt.geom.Dimension2D scaleSize)

Scale the graph drawing to a specific size.

getSubgraph

public Subgraph getSubgraph()

Get the subgraph being drawn on this panel.

Returns:

the subgraph being drawn on this panel.

resetZoom

public void resetZoom()

Reset the scale factor to one.

hasOutline

public boolean hasOutline()

Check if a swept outline is still available.

Returns:

true if there is an outline available.

clearOutline

public void clearOutline()

Clear swept outline, if any.

zoomToOutline

public GrappaBox zoomToOutline()

Zoom the drawing to the outline just swept with the mouse, if any.

Returns:

the box corresponding to the swept outline, or null.

zoomToOutline

public GrappaBox zoomToOutline(GrappaBox outline)

Zoom the drawing to the outline just swept with the mouse, if any.

Parameters:

outline - the zoom bounds

Returns:

the box corresponding to the swept outline, or null.

multiplyScaleFactor

public double multiplyScaleFactor(double multiplier)

Adjust the scale factor by the supplied multiplier.

Parameters:

multiplier - multiply the scale factor by this amount.

Returns:

the value of the previous scale factor.

paintSubgraph

private void paintSubgraph(java.awt.Graphics2D g2d,
                           Subgraph subg,
                           java.awt.Shape clipper,
                           java.awt.Color bkgdColor)

findContainingElement

private Element findContainingElement(Subgraph subg,
                                      java.awt.geom.Point2D pt)

findContainingElement

private Element findContainingElement(Subgraph subg,
                                      java.awt.geom.Point2D pt,
                                      Element crnt)

reallyFindContainingElement

private Element reallyFindContainingElement(Subgraph subg,
                                            java.awt.geom.Point2D pt,
                                            Element[] stash)

ancestorMoved

public void ancestorMoved(javax.swing.event.AncestorEvent aev)

Specified by:

ancestorMoved in interface javax.swing.event.AncestorListener

ancestorAdded

public void ancestorAdded(javax.swing.event.AncestorEvent aev)

Specified by:

ancestorAdded in interface javax.swing.event.AncestorListener

ancestorRemoved

public void ancestorRemoved(javax.swing.event.AncestorEvent aev)

Specified by:

ancestorRemoved in interface javax.swing.event.AncestorListener

componentHidden

public void componentHidden(java.awt.event.ComponentEvent cev)

Specified by:

componentHidden in interface java.awt.event.ComponentListener

componentMoved

public void componentMoved(java.awt.event.ComponentEvent cev)

Specified by:

componentMoved in interface java.awt.event.ComponentListener

componentResized

public void componentResized(java.awt.event.ComponentEvent cev)

Specified by:

componentResized in interface java.awt.event.ComponentListener

componentShown

public void componentShown(java.awt.event.ComponentEvent cev)

Specified by:

componentShown in interface java.awt.event.ComponentListener

popupMenuCanceled

public void popupMenuCanceled(javax.swing.event.PopupMenuEvent pmev)

Specified by:

popupMenuCanceled in interface javax.swing.event.PopupMenuListener

popupMenuWillBecomeInvisible

public void popupMenuWillBecomeInvisible(javax.swing.event.PopupMenuEvent pmev)

Specified by:

popupMenuWillBecomeInvisible in interface javax.swing.event.PopupMenuListener

popupMenuWillBecomeVisible

public void popupMenuWillBecomeVisible(javax.swing.event.PopupMenuEvent pmev)

Specified by:

popupMenuWillBecomeVisible in interface javax.swing.event.PopupMenuListener

mouseClicked

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

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mousePressed

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

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

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

Specified by:

mouseReleased in interface java.awt.event.MouseListener

mouseEntered

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

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

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

Specified by:

mouseExited in interface java.awt.event.MouseListener

mouseDragged

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

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

mouseMoved

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

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

getPreferredScrollableViewportSize

public java.awt.Dimension getPreferredScrollableViewportSize()

Returns the size of the bounding box of the graph augmented by the margin attribute and any scaling.

Specified by:

getPreferredScrollableViewportSize in interface javax.swing.Scrollable

Returns:

The preferredSize of a JViewport whose view is this Scrollable.

See Also:

JViewport#getPreferredSize

getScrollableUnitIncrement

public int getScrollableUnitIncrement(java.awt.Rectangle visibleRect,
                                      int orientation,
                                      int direction)

Always returns 1 since a GrappaPanel has not logical rows or columns.

Specified by:

getScrollableUnitIncrement in interface javax.swing.Scrollable

Parameters:

visibleRect - The view area visible within the viewport

orientation - Either SwingConstants.VERTICAL or SwingConstants.HORIZONTAL.

direction - Less than zero to scroll up/left, greater than zero for down/right.

Returns:

The "unit" increment for scrolling in the specified direction, which in the case of a GrappaPanel is always 1.

See Also:

JScrollBar#setUnitIncrement

getScrollableBlockIncrement

public int getScrollableBlockIncrement(java.awt.Rectangle visibleRect,
                                       int orientation,
                                       int direction)

Returns 90% of the view area dimension that is in the orientation of the requested scroll.

Specified by:

getScrollableBlockIncrement in interface javax.swing.Scrollable

Parameters:

visibleRect - The view area visible within the viewport

orientation - Either SwingConstants.VERTICAL or SwingConstants.HORIZONTAL.

direction - Less than zero to scroll up/left, greater than zero for down/right.

Returns:

The "unit" increment for scrolling in the specified direction, which in the case of a GrappaPanel is 90% of the visible width for a horizontal increment or 90% of the visible height for a vertical increment.

See Also:

JScrollBar#setBlockIncrement

getScrollableTracksViewportWidth

public boolean getScrollableTracksViewportWidth()

Always returns false as the viewport should not force the width of this GrappaPanel to match the width of the viewport.

Specified by:

getScrollableTracksViewportWidth in interface javax.swing.Scrollable

Returns:

false

getScrollableTracksViewportHeight

public boolean getScrollableTracksViewportHeight()

Always returns false as the viewport should not force the height of this GrappaPanel to match the width of the viewport.

Specified by:

getScrollableTracksViewportHeight in interface javax.swing.Scrollable

Returns:

false

run

public void run()

Specified by:

run in interface java.lang.Runnable