ding.view
Class InnerCanvas

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              ding.view.DingCanvas
                  ding.view.InnerCanvas

All Implemented Interfaces:

DropTargetListener, KeyListener, MouseListener, MouseMotionListener, MouseWheelListener, ImageObserver, MenuContainer, Serializable, EventListener, PhoebeCanvasDroppable

public class InnerCanvas
extends DingCanvas
implements MouseListener, MouseMotionListener, DropTargetListener, PhoebeCanvasDroppable, KeyListener, MouseWheelListener

The GUI component for drawing networks.

See Also:

Serialized Form

Nested Class Summary

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

JComponent.AccessibleJComponent

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

Vector	edgeContextMenuListeners Listeners for edge right-click menu.
Vector	listeners
Vector	nodeContextMenuListeners Listeners for node right-click menu

Fields inherited from class ding.view.DingCanvas

m_backgroundColor, m_img, m_isOpaque, m_isVisible

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

Method Summary

void	addEdgeContextMenuListener(EdgeContextMenuListener l) DOCUMENT ME!
void	addNodeContextMenuListener(NodeContextMenuListener l) adds a listener to the store of NodeContextMenuListeners
void	addPhoebeCanvasDropListener(PhoebeCanvasDropListener l) adds a listener to the store of PhoebeCanvasDropTargetListeners
void	addTransferComponent(JComponent comp) DOCUMENT ME!
void	disableNodeMovement()
void	dragEnter(DropTargetDragEvent dte) default dragEnter handler.
void	dragExit(DropTargetEvent dte) default dragExit handler.
void	dragOver(DropTargetDragEvent dte) default dragOver handler.
void	drop(DropTargetDropEvent dte) default drop handler.
void	dropActionChanged(DropTargetDragEvent dte) default dropActionChanged handler.
void	enableNodeMovement()
AffineTransform	getAffineTransform() Called to get the tranform matrix used by the inner canvas to move the nodes.
int	getLastRenderDetail() DOCUMENT ME!
double	getScaleFactor()
boolean	isNodeMovementDisabled()
boolean	isPrinting() Return true if this view is curerntly being printed (as opposed to painted on the screen)
boolean	isSelecting() DOCUMENT ME!
void	keyPressed(KeyEvent k) Handles key press events.
void	keyReleased(KeyEvent k) Currently not used.
void	keyTyped(KeyEvent k) Currently not used.
void	mouseClicked(MouseEvent e) DOCUMENT ME!
void	mouseDragged(MouseEvent e)
void	mouseEntered(MouseEvent e) DOCUMENT ME!
void	mouseExited(MouseEvent e) DOCUMENT ME!
void	mouseMoved(MouseEvent e)
void	mousePressed(MouseEvent e)
void	mouseReleased(MouseEvent e)
void	mouseWheelMoved(MouseWheelEvent e)
void	paint(Graphics g) Paint this component using Java2D.
void	print(Graphics g) DOCUMENT ME!
void	printNoImposter(Graphics g) Print routine which corrects bug 1471/1495
protected void	processEdgeContextMenuEvent(MouseEvent event)
void	processMouseEvent(MouseEvent e) This method exposes the JComponent processMouseEvent so that canvases on top of us can pass events they don't want down.
protected void	processNodeContextMenuEvent(MouseEvent event) handles a NodeContextMenuEvent.
protected void	processPhoebeCanvasDropEvent(PhoebeCanvasDropEvent event) handles a PhoebeCanvasDropEvent.
void	removeEdgeContextMenuListener(EdgeContextMenuListener l) DOCUMENT ME!
void	removeNodeContextMenuListener(NodeContextMenuListener l) removes a listener from the store of NodeContextMenuListeners
void	removePhoebeCanvasDropListener(PhoebeCanvasDropListener l) removes a listener from the store of PhoebeCanvasDropTargetListeners
void	removeTransferComponent(JComponent comp) DOCUMENT ME!
void	setBounds(int x, int y, int width, int height) DOCUMENT ME!
void	setScaleFactor(double val)
void	setSelecting(boolean s) DOCUMENT ME!
void	update(Graphics g) DOCUMENT ME!

Methods inherited from class ding.view.DingCanvas

getBackground, getImage, setBackground, setOpaque, setVisible

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, 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, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, unregisterKeyboardAction, updateUI

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, 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, 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

listeners

public Vector listeners

nodeContextMenuListeners

public Vector nodeContextMenuListeners

Listeners for node right-click menu

edgeContextMenuListeners

public Vector edgeContextMenuListeners

Listeners for edge right-click menu.

Method Detail

getScaleFactor

public double getScaleFactor()

setScaleFactor

public void setScaleFactor(double val)

setBounds

public void setBounds(int x,
                      int y,
                      int width,
                      int height)

DOCUMENT ME!

Overrides:

setBounds in class Component

Parameters:

x - DOCUMENT ME!

y - DOCUMENT ME!

width - DOCUMENT ME!

height - DOCUMENT ME!

update

public void update(Graphics g)

DOCUMENT ME!

Overrides:

update in class JComponent

Parameters:

g - DOCUMENT ME!

paint

public void paint(Graphics g)

Paint this component using Java2D.

Overrides:

paint in class JComponent

Parameters:

g - DOCUMENT ME!

print

public void print(Graphics g)

DOCUMENT ME!

Overrides:

print in class JComponent

Parameters:

g - Usually Graphics2D object for drawing network view as image.

printNoImposter

public void printNoImposter(Graphics g)

Print routine which corrects bug 1471/1495

Overrides:

printNoImposter in class DingCanvas

Parameters:

g - DOCUMENT ME!

isPrinting

public boolean isPrinting()

Return true if this view is curerntly being printed (as opposed to painted on the screen)

Returns:

true if we're currently being printed, false otherwise

processMouseEvent

public void processMouseEvent(MouseEvent e)

This method exposes the JComponent processMouseEvent so that canvases on top of us can pass events they don't want down.

Overrides:

processMouseEvent in class JComponent

Parameters:

e - the MouseEvent to process

mouseClicked

public void mouseClicked(MouseEvent e)

DOCUMENT ME!

Specified by:

mouseClicked in interface MouseListener

Parameters:

e - DOCUMENT ME!

mouseEntered

public void mouseEntered(MouseEvent e)

DOCUMENT ME!

Specified by:

mouseEntered in interface MouseListener

Parameters:

e - DOCUMENT ME!

mouseExited

public void mouseExited(MouseEvent e)

DOCUMENT ME!

Specified by:

mouseExited in interface MouseListener

Parameters:

e - DOCUMENT ME!

mousePressed

public void mousePressed(MouseEvent e)

Specified by:

mousePressed in interface MouseListener

mouseReleased

public void mouseReleased(MouseEvent e)

Specified by:

mouseReleased in interface MouseListener

mouseDragged

public void mouseDragged(MouseEvent e)

Specified by:

mouseDragged in interface MouseMotionListener

mouseMoved

public void mouseMoved(MouseEvent e)

Specified by:

mouseMoved in interface MouseMotionListener

keyPressed

public void keyPressed(KeyEvent k)

Handles key press events. Currently used with the up/down, left/right arrow keys. Pressing any of the listed keys will move the selected nodes one pixel in that direction.

Specified by:

keyPressed in interface KeyListener

Parameters:

k - The key event that we're listening for.

keyReleased

public void keyReleased(KeyEvent k)

Currently not used.

Specified by:

keyReleased in interface KeyListener

Parameters:

k - The key event that we're listening for.

keyTyped

public void keyTyped(KeyEvent k)

Currently not used.

Specified by:

keyTyped in interface KeyListener

Parameters:

k - The key event that we're listening for.

dragEnter

public void dragEnter(DropTargetDragEvent dte)

default dragEnter handler. Accepts the drag.

Specified by:

dragEnter in interface DropTargetListener

Parameters:

dte - the DropTargetDragEvent

dragExit

public void dragExit(DropTargetEvent dte)

default dragExit handler. Does nothing, can be overridden.

Specified by:

dragExit in interface DropTargetListener

Parameters:

dte - the DropTargetDragEvent

dropActionChanged

public void dropActionChanged(DropTargetDragEvent dte)

default dropActionChanged handler. Does nothing, can be overridden.

Specified by:

dropActionChanged in interface DropTargetListener

Parameters:

dte - the DropTargetDragEvent

dragOver

public void dragOver(DropTargetDragEvent dte)

default dragOver handler. Does nothing, can be overridden.

Specified by:

dragOver in interface DropTargetListener

Parameters:

dte - the DropTargetDragEvent

drop

public void drop(DropTargetDropEvent dte)

default drop handler. Accepts drop, builds a transferable, creates and fires a PhoebeCanvasDropEvent, then calls dropComplete().

Specified by:

drop in interface DropTargetListener

Parameters:

dte - the DropTargetDragEvent

addPhoebeCanvasDropListener

public void addPhoebeCanvasDropListener(PhoebeCanvasDropListener l)

adds a listener to the store of PhoebeCanvasDropTargetListeners

Specified by:

addPhoebeCanvasDropListener in interface PhoebeCanvasDroppable

Parameters:

l - the PhoebeCanvasDropTargetListener

removePhoebeCanvasDropListener

public void removePhoebeCanvasDropListener(PhoebeCanvasDropListener l)

removes a listener from the store of PhoebeCanvasDropTargetListeners

Specified by:

removePhoebeCanvasDropListener in interface PhoebeCanvasDroppable

Parameters:

l - the PhoebeCanvasDropTargetListener

processPhoebeCanvasDropEvent

protected void processPhoebeCanvasDropEvent(PhoebeCanvasDropEvent event)

handles a PhoebeCanvasDropEvent. For each listerner, calls its itemDropped() method

Parameters:

event - the PhoebeCanvasDropEvent

addTransferComponent

public void addTransferComponent(JComponent comp)

DOCUMENT ME!

Parameters:

comp - DOCUMENT ME!

removeTransferComponent

public void removeTransferComponent(JComponent comp)

DOCUMENT ME!

Parameters:

comp - DOCUMENT ME!

mouseWheelMoved

public void mouseWheelMoved(MouseWheelEvent e)

Specified by:

mouseWheelMoved in interface MouseWheelListener

addNodeContextMenuListener

public void addNodeContextMenuListener(NodeContextMenuListener l)

adds a listener to the store of NodeContextMenuListeners

Parameters:

l - the NodeContextMenuListener

removeNodeContextMenuListener

public void removeNodeContextMenuListener(NodeContextMenuListener l)

removes a listener from the store of NodeContextMenuListeners

Parameters:

l - the NodeContextMenuListener

addEdgeContextMenuListener

public void addEdgeContextMenuListener(EdgeContextMenuListener l)

DOCUMENT ME!

Parameters:

l - DOCUMENT ME!

removeEdgeContextMenuListener

public void removeEdgeContextMenuListener(EdgeContextMenuListener l)

DOCUMENT ME!

Parameters:

l - DOCUMENT ME!

processNodeContextMenuEvent

protected void processNodeContextMenuEvent(MouseEvent event)

handles a NodeContextMenuEvent. For each listerner, calls its itemDropped() method

Parameters:

event - the NodeContextMenuEvent

processEdgeContextMenuEvent

protected void processEdgeContextMenuEvent(MouseEvent event)

getLastRenderDetail

public int getLastRenderDetail()

DOCUMENT ME!

Returns:

DOCUMENT ME!

setSelecting

public void setSelecting(boolean s)

DOCUMENT ME!

Parameters:

s - DOCUMENT ME!

isSelecting

public boolean isSelecting()

DOCUMENT ME!

Returns:

DOCUMENT ME!

getAffineTransform

public AffineTransform getAffineTransform()

Called to get the tranform matrix used by the inner canvas to move the nodes.

Returns:

AffineTransform

enableNodeMovement

public void enableNodeMovement()

disableNodeMovement

public void disableNodeMovement()

isNodeMovementDisabled

public boolean isNodeMovementDisabled()