wt.clients.beans.graph
Class GraphLinkComponent

java.lang.Object
  java.awt.Component
      java.awt.Container
          wt.clients.beans.graph.GraphComponent
              wt.clients.beans.graph.GraphLabelComponent
                  wt.clients.beans.graph.GraphLinkComponent

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable

public class GraphLinkComponent

extends GraphLabelComponent

See Also:

Serialized Form

Nested Class Summary

(package private) class	GraphLinkComponent.NameMouseListener
(package private) class	GraphLinkComponent.QueryPoint

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

(package private) ActionListener	actionListener
(package private) static int	END
(package private) GraphNodeComponent	from
private Point	fromLoopPoint
(package private) Point	fromPoint
(package private) GraphLink	link
(package private) static int	MIDDLE
(package private) MouseListener	nodeMouseListener
(package private) static int	OUT
(package private) static int	OUTSIDE
protected static int	SELECTION_MARGIN
(package private) static int	START
(package private) boolean	strait
(package private) GraphNodeComponent	to
(package private) Point	toPoint
private static String	versionID

Fields inherited from class wt.clients.beans.graph.GraphLabelComponent

ascent, component, descent, label, stringColor

Fields inherited from class wt.clients.beans.graph.GraphComponent

selected

Fields inherited from class java.awt.Container

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

GraphLinkComponent()

GraphLinkComponent(GraphLink link)

Method Summary

void	addActionListener(ActionListener listener)
void	drawLine(Graphics g)
private Polygon	getArrow(Point from, Point to)
(package private) GraphNodeComponent	getFrom()
GraphLink	getGraphLink()
int	getSelectedAt(int x, int y)
Polygon	getSelectionZone()
(package private) GraphNodeComponent	getTo()
private Point	intersection(Point from, Point to, Rectangle rectangle) This method finds the intersection of the line and rectangle.
boolean	isStraitLine()
void	setEndPoint(int x, int y)
void	setFrom(GraphNodeComponent from)
void	setGraphLink(GraphLink link)
private void	setLineColor(Graphics g)
void	setStartPoint(int x, int y)
void	setStraitLine(boolean strait)
void	setTo(GraphNodeComponent to)

Methods inherited from class wt.clients.beans.graph.GraphLabelComponent

getLabel, paint, position, setColor, setLabel, toString, updateSize

Methods inherited from class wt.clients.beans.graph.GraphComponent

isSelected, setSelected, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addNotify, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, 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, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

versionID

private static final String versionID

See Also:

Constant Field Values

link

GraphLink link

from

GraphNodeComponent from

fromPoint

Point fromPoint

toPoint

Point toPoint

to

GraphNodeComponent to

SELECTION_MARGIN

protected static final int SELECTION_MARGIN

See Also:

Constant Field Values

START

static final int START

See Also:

Constant Field Values

MIDDLE

static final int MIDDLE

See Also:

Constant Field Values

END

static final int END

See Also:

Constant Field Values

OUTSIDE

static final int OUTSIDE

See Also:

Constant Field Values

OUT

static final int OUT

See Also:

Constant Field Values

nodeMouseListener

MouseListener nodeMouseListener

strait

boolean strait

actionListener

transient ActionListener actionListener

fromLoopPoint

private Point fromLoopPoint

Constructor Detail

GraphLinkComponent

public GraphLinkComponent()

GraphLinkComponent

public GraphLinkComponent(GraphLink link)

Method Detail

setGraphLink

public void setGraphLink(GraphLink link)

getGraphLink

public GraphLink getGraphLink()

addActionListener

public void addActionListener(ActionListener listener)

setFrom

public void setFrom(GraphNodeComponent from)
             throws WTPropertyVetoException

Throws:

WTPropertyVetoException

getFrom

GraphNodeComponent getFrom()

setTo

public void setTo(GraphNodeComponent to)
           throws WTPropertyVetoException

Throws:

WTPropertyVetoException

getTo

GraphNodeComponent getTo()

setStraitLine

public void setStraitLine(boolean strait)

isStraitLine

public boolean isStraitLine()

setStartPoint

public void setStartPoint(int x,
                          int y)

setEndPoint

public void setEndPoint(int x,
                        int y)

setLineColor

private void setLineColor(Graphics g)

drawLine

public void drawLine(Graphics g)

getSelectedAt

public int getSelectedAt(int x,
                         int y)

getSelectionZone

public Polygon getSelectionZone()

intersection

private Point intersection(Point from,
                           Point to,
                           Rectangle rectangle)

This method finds the intersection of the line and rectangle. It assumes they do infact intersect and the rectangle is actually a square.

getArrow

private Polygon getArrow(Point from,
                         Point to)