com.mxgraph.swing.handler

Class mxEdgeHandler

java.lang.Object

com.mxgraph.swing.handler.mxCellHandler

com.mxgraph.swing.handler.mxEdgeHandler

Direct Known Subclasses:

mxElbowEdgeHandler

public class mxEdgeHandler
extends mxCellHandler

Constructor Summary

Constructors

Constructor and Description
mxEdgeHandler(mxGraphComponent graphComponent, mxCellState state)

Method Summary

Modifier and Type	Method and Description
int	getIndexAt(int x, int y) Returns the index of the handle at the given location.
java.awt.Color	getSelectionColor() Returns the color used to draw the selection border.
java.awt.Stroke	getSelectionStroke() Returns the stroke used to draw the selection border.
boolean	isCloneEnabled()
boolean	isSource(int index) Returns true if the current index is 0.
boolean	isTarget(int index) Returns true if the current index is the last index.
void	mouseDragged(java.awt.event.MouseEvent e) Processes the given event.
void	mousePressed(java.awt.event.MouseEvent e) Processes the given event.
void	mouseReleased(java.awt.event.MouseEvent e) Processes the given event.
void	paint(java.awt.Graphics g) Paints the visible handles of this handler.
void	reset() Extends the implementation to reset the current error and marker.
void	setCloneEnabled(boolean cloneEnabled)
java.lang.String	validateConnection(java.lang.Object source, java.lang.Object target) Returns the error message or an empty string if the connection for the given source target pair is not valid.

Methods inherited from class com.mxgraph.swing.handler.mxCellHandler

getBounds, getGraphComponent, getIndex, getState, getToolTipText, isActive, isHandlesVisible, isLabel, isLabelMovable, mouseMoved, refresh, setHandlesVisible, start

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

mxEdgeHandler

public mxEdgeHandler(mxGraphComponent graphComponent,
                     mxCellState state)

Parameters:

graphComponent -

state -

Method Detail

setCloneEnabled

public void setCloneEnabled(boolean cloneEnabled)

isCloneEnabled

public boolean isCloneEnabled()

validateConnection

public java.lang.String validateConnection(java.lang.Object source,
                                           java.lang.Object target)

Returns the error message or an empty string if the connection for the given source target pair is not valid. Otherwise it returns null.

isSource

public boolean isSource(int index)

Returns true if the current index is 0.

isTarget

public boolean isTarget(int index)

Returns true if the current index is the last index.

getIndexAt

public int getIndexAt(int x,
                      int y)

Description copied from class: mxCellHandler

Returns the index of the handle at the given location.

Overrides:

getIndexAt in class mxCellHandler

Parameters:

x -

y -

Returns:

Returns the inde of the handle at the given location.

mousePressed

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

Description copied from class: mxCellHandler

Processes the given event.

Overrides:

mousePressed in class mxCellHandler

mouseDragged

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

Description copied from class: mxCellHandler

Processes the given event.

Overrides:

mouseDragged in class mxCellHandler

mouseReleased

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

Description copied from class: mxCellHandler

Processes the given event.

Overrides:

mouseReleased in class mxCellHandler

reset

public void reset()

Extends the implementation to reset the current error and marker.

Overrides:

reset in class mxCellHandler

getSelectionColor

public java.awt.Color getSelectionColor()

Description copied from class: mxCellHandler

Returns the color used to draw the selection border. This implementation returns null.

Overrides:

getSelectionColor in class mxCellHandler

getSelectionStroke

public java.awt.Stroke getSelectionStroke()

Description copied from class: mxCellHandler

Returns the stroke used to draw the selection border. This implementation returns null.

Overrides:

getSelectionStroke in class mxCellHandler

paint

public void paint(java.awt.Graphics g)

Description copied from class: mxCellHandler

Paints the visible handles of this handler.

Overrides:

paint in class mxCellHandler