websphinx.workbench
Class WebGraph

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Canvas
              |
              +--websphinx.util.GraphLayout
                    |
                    +--websphinx.workbench.WebGraph

All Implemented Interfaces:

javax.accessibility.Accessible, CrawlListener, java.awt.image.ImageObserver, LinkListener, java.awt.MenuContainer, java.lang.Runnable, java.io.Serializable

public class WebGraph

extends GraphLayout

implements CrawlListener, LinkListener

See Also:

Serialized Form

Inner classes inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Inner classes inherited from class java.awt.Component

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

Field Summary

(package private) static int	ABSOLUTE_URL
(package private) static int	ALL_LINKS
static java.awt.Image	defaultErrorIcon
(package private) int	defaultFilter
static java.awt.Image	defaultLinkIcon
static java.awt.Image	defaultPageIcon
(package private) int	defaultRendering
static java.awt.Image	defaultRetrievingIcon
(package private) static int[]	errorData
(package private) static int	errorHeight
(package private) java.awt.Image	errorIcon
(package private) static int	errorWidth
(package private) static int	ICON
(package private) java.util.Hashtable	icons
(package private) static int[]	linkData
(package private) static int	linkHeight
(package private) java.awt.Image	linkIcon
(package private) java.util.Hashtable	links
(package private) static int	linkWidth
private java.util.Vector	listeners
(package private) static int	NO_LINKS
(package private) static int[]	pageData
(package private) static int	pageHeight
(package private) java.awt.Image	pageIcon
(package private) static int	pageWidth
(package private) static int	RELATIVE_URL
(package private) static int	RETRIEVED_LINKS
(package private) static int[]	retrieveData
(package private) static int	retrieveHeight
(package private) static int	retrieveWidth
(package private) java.awt.Image	retrievingIcon
(package private) static int	TITLE
(package private) static int	TREE_LINKS
(package private) static int	WALKED_LINKS

Fields inherited from class websphinx.util.GraphLayout

algorithm, automaticLayout, controlPanel, dirty, dragNode, dragOffsetX, dragOffsetY, edgeColor, fm, graph, interval, iterations, iterator, MULTIPLIER, nodeCharge, nodeColor, offg, offscreen, offSize, originX, originY, quiescent, restLength, running, scaleX, scaleY, springConstant, threshold, tip, tipColor, tipHeight, tipObject, tipWidth, tipX, tipY

Fields inherited from class java.awt.Canvas

base, nameCounter, serialVersionUID

Fields inherited from class java.awt.Component

accessibleContext, actionListenerK, adjustmentListenerK, appContext, background, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, changeSupport, componentListener, componentListenerK, componentOrientation, componentSerializedDataVersion, containerListenerK, cursor, dbg, dropTarget, enabled, eventMask, focusListener, focusListenerK, font, 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

WebGraph()
Make a WebGraph.

Method Summary

(package private) static void	()
(package private) void	add(Link link)
void	addLinkViewListener(LinkViewListener listener) Add a listener for LinkViewEvents.
void	clear() Clear the graph display.
void	cleared(CrawlEvent event) Notify that the crawler's state was cleared.
void	crawled(LinkEvent event) Notify that a crawling event has occured.
(package private) void	doubleClick(int x, int y)
(package private) WebEdge	findEdge(Link l)
(package private) WebNode	findNode(Link l)
(package private) WebNode	findParent(Link l)
(package private) void	fireEvent(Link link)
java.awt.Image	getIcon(java.lang.String name) Get a named icon.
Link	getSelectedLink()
(package private) static java.lang.String[]	getTip(Link link)
(package private) static java.lang.String[]	getTip(Page page)
boolean	handleEvent(java.awt.Event event)
static java.awt.Frame	monitor(Crawler crawler) Create a new Frame containing a WebGraph connected to a crawler.
void	paused(CrawlEvent event) Notify that the crawler is paused
void	removeLinkViewListener(CrawlListener listener) Removes a listener from the set of LinkViewEvent listeners.
void	setErrorIcon(java.awt.Image icon) Set the default icon used for failed requests.
void	setIcon(java.lang.String name, java.awt.Image icon) Map a name to an icon.
(package private) void	setLinkFilter(int filter)
(package private) void	setLinkFilter(WebNode node, int filter)
void	setLinkIcon(java.awt.Image icon) Set the default icon used for links.
(package private) void	setNodeRendering(int r)
(package private) void	setNodeRendering(WebNode n, int r)
void	setPageIcon(java.awt.Image icon) Set the default icon used for pages.
void	setRetrievingIcon(java.awt.Image icon) Set the default icon used for requests in progress.
(package private) boolean	shouldDisplay(int filter, int status)
void	showControlPanel() Show control panel for changing graph layout parameters.
void	started(CrawlEvent event) Notify that the crawler started.
void	stopped(CrawlEvent event) Notify that the crawler has stopped.
void	timedOut(CrawlEvent event) Notify that the crawler has timed out
void	update(Link link) Update the edge and node associated with a link.
(package private) void	update(WebEdge e)
(package private) void	update(WebNode n)
void	updateClosure(Link[] links) Update all the links that the crawler reached from this link.

Methods inherited from class websphinx.util.GraphLayout

addEdge, addNode, changedGraph, click, createOffscreenArea, drag, drawArrowToBox, drop, finalize, getAlgorithm, getAutomaticLayout, getEdgeColor, getFontMetrics, getGraph, getInterval, getIterations, getNodeCharge, getNodeColor, getQuiescent, getRestLength, getRunning, getSelectedEdge, getSelectedNode, getSpringConstant, getThreshold, getTipColor, imageUpdate, inLineSegment, leave, paint, pick, placeNodeOnGraph, placeNodeOnScreen, point, removeEdge, removeNode, repaint, resetAlgorithm, run, scaleGraph, setAlgorithm, setAutomaticLayout, setEdgeColor, setFont, setGraph, setInterval, setIterations, setNodeCharge, setNodeColor, setRestLength, setSpringConstant, setThreshold, setTipColor, start, stop, update

Methods inherited from class java.awt.Canvas

addNotify, constructComponentName, getAccessibleContext, postsOldMouseEvents

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, areInputMethodsEnabled, bounds, checkGD, checkImage, checkImage, checkWindowClosingException, coalesceEvents, contains, contains, createChildHierarchyEvents, createHierarchyEvents, createImage, createImage, deliverEvent, disable, disableEvents, dispatchEvent, dispatchEventImpl, doLayout, enable, enable, enableEvents, enableInputMethods, eventEnabled, firePropertyChange, getAccessibleIndexInParent, getAccessibleStateSet, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentOrientation, getCursor, getDropTarget, getFont_NoClientCode, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen_NoTreeLock, getLocationOnScreen, getMaximumSize, getMinimumSize, getName, getNativeContainer, getParent_NoClientCode, getParent, getPeer, getPreferredSize, getSize, getSize, getToolkit, getToolkitImpl, getTreeLock, getWidth, getWindowForObject, getX, getY, gotFocus, hasFocus, hide, initIDs, inside, invalidate, isDisplayable, isDoubleBuffered, isEnabled, isEnabledImpl, isFocusTraversable, isLightweight, isOpaque, isRecursivelyVisible, isShowing, isValid, isVisible, keyDown, keyUp, layout, lightweightPaint, lightweightPrint, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, numListening, paintAll, paintHeavyweightComponents, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, printHeavyweightComponents, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, readObject, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, resetGC, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, validate, writeObject

Methods inherited from class java.lang.Object

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

Field Detail

links

java.util.Hashtable links

NO_LINKS

static final int NO_LINKS

RETRIEVED_LINKS

static final int RETRIEVED_LINKS

WALKED_LINKS

static final int WALKED_LINKS

TREE_LINKS

static final int TREE_LINKS

ALL_LINKS

static final int ALL_LINKS

defaultFilter

int defaultFilter

ICON

static final int ICON

TITLE

static final int TITLE

ABSOLUTE_URL

static final int ABSOLUTE_URL

RELATIVE_URL

static final int RELATIVE_URL

defaultRendering

int defaultRendering

listeners

private java.util.Vector listeners

icons

java.util.Hashtable icons

pageIcon

java.awt.Image pageIcon

linkIcon

java.awt.Image linkIcon

retrievingIcon

java.awt.Image retrievingIcon

errorIcon

java.awt.Image errorIcon

defaultPageIcon

public static java.awt.Image defaultPageIcon

defaultLinkIcon

public static java.awt.Image defaultLinkIcon

defaultRetrievingIcon

public static java.awt.Image defaultRetrievingIcon

defaultErrorIcon

public static java.awt.Image defaultErrorIcon

linkWidth

static int linkWidth

linkHeight

static int linkHeight

linkData

static int[] linkData

pageWidth

static int pageWidth

pageHeight

static int pageHeight

pageData

static int[] pageData

retrieveWidth

static int retrieveWidth

retrieveHeight

static int retrieveHeight

retrieveData

static int[] retrieveData

errorWidth

static int errorWidth

errorHeight

static int errorHeight

errorData

static int[] errorData

Constructor Detail

WebGraph

public WebGraph()

Make a WebGraph.

Method Detail

setLinkFilter

void setLinkFilter(WebNode node,
                   int filter)

setLinkFilter

void setLinkFilter(int filter)

setNodeRendering

void setNodeRendering(WebNode n,
                      int r)

setNodeRendering

void setNodeRendering(int r)

showControlPanel

public void showControlPanel()

Show control panel for changing graph layout parameters.

Overrides:

showControlPanel in class GraphLayout

clear

public void clear()

Clear the graph display.

Overrides:

clear in class GraphLayout

started

public void started(CrawlEvent event)

Notify that the crawler started.

Specified by:

started in interface CrawlListener

stopped

public void stopped(CrawlEvent event)

Notify that the crawler has stopped.

Specified by:

stopped in interface CrawlListener

cleared

public void cleared(CrawlEvent event)

Notify that the crawler's state was cleared.

Specified by:

cleared in interface CrawlListener

timedOut

public void timedOut(CrawlEvent event)

Notify that the crawler has timed out

Specified by:

timedOut in interface CrawlListener

paused

public void paused(CrawlEvent event)

Notify that the crawler is paused

Specified by:

paused in interface CrawlListener

crawled

public void crawled(LinkEvent event)

Notify that a crawling event has occured.

Specified by:

crawled in interface LinkListener

shouldDisplay

boolean shouldDisplay(int filter,
                      int status)

updateClosure

public void updateClosure(Link[] links)

Update all the links that the crawler reached from this link. Any reachable links not present in the graph are added.

update

public void update(Link link)

Update the edge and node associated with a link. If the link is not present in the graph, it is added.

add

void add(Link link)

update

void update(WebEdge e)

update

void update(WebNode n)

findEdge

WebEdge findEdge(Link l)

findNode

WebNode findNode(Link l)

findParent

WebNode findParent(Link l)

addLinkViewListener

public void addLinkViewListener(LinkViewListener listener)

Add a listener for LinkViewEvents. A LinkViewEvent is sent every time a node or edge in the graph is double-clicked.

Parameters:

listener - Object that wants to receive LinkViewEvents

removeLinkViewListener

public void removeLinkViewListener(CrawlListener listener)

Removes a listener from the set of LinkViewEvent listeners. If it is not found in the set, does nothing.

Parameters:

listen - a listener

fireEvent

void fireEvent(Link link)

doubleClick

void doubleClick(int x,
                 int y)

handleEvent

public boolean handleEvent(java.awt.Event event)

Overrides:

handleEvent in class GraphLayout

getSelectedLink

public Link getSelectedLink()

monitor

public static java.awt.Frame monitor(Crawler crawler)

Create a new Frame containing a WebGraph connected to a crawler.

getTip

static java.lang.String[] getTip(Link link)

getTip

static java.lang.String[] getTip(Page page)

getIcon

public java.awt.Image getIcon(java.lang.String name)

Get a named icon.

Parameters:

name - Name of icon.

Returns:

icon associated with the name, or null if name unknown.

setIcon

public void setIcon(java.lang.String name,
                    java.awt.Image icon)

Map a name to an icon.

Parameters:

name - Name of icon.

icon - Icon image. If null, mapping is deleted.

setPageIcon

public void setPageIcon(java.awt.Image icon)

Set the default icon used for pages.

Parameters:

icon - Icon image. If null, mapping is deleted.

setLinkIcon

public void setLinkIcon(java.awt.Image icon)

Set the default icon used for links.

Parameters:

icon - Icon image. If null, mapping is deleted.

setRetrievingIcon

public void setRetrievingIcon(java.awt.Image icon)

Set the default icon used for requests in progress.

Parameters:

icon - Icon image. If null, mapping is deleted.

setErrorIcon

public void setErrorIcon(java.awt.Image icon)

Set the default icon used for failed requests.

Parameters:

icon - Icon image. If null, mapping is deleted.

static void ()