net.kwfgrid.gwui.graphview
Class ArcEdgePainter

java.lang.Object
  net.kwfgrid.gwui.graphview.ArcEdgePainter

All Implemented Interfaces:

EdgePainter, Member

public class ArcEdgePainter
extends java.lang.Object
implements Member, EdgePainter

The painter for ArcEdges.
This painter has the following properties which can be configured via the application's theme:

 
kwfgrid.ArcEdgePainter.arrow.size
 
kwfgrid.ArcEdgePainter.text.color
 
kwfgrid.ArcEdgePainter.font
 
kwfgrid.ArcEdgePainter.color
 
kwfgrid.ArcEdgePainter.stroke
 

The size property of the arrow assumes an upright arrow.

Field Summary

protected static java.awt.Dimension	ARROW_SIZE
protected static java.lang.String	ARROW_SIZE_KEY
protected static java.awt.Color	COLOR
protected static java.lang.String	COLOR_KEY
protected static java.awt.Font	FONT
protected static java.lang.String	FONT_KEY
static java.lang.String	IDENTIFIER
protected static java.awt.Stroke	STROKE
protected static java.lang.String	STROKE_KEY
protected static java.awt.Color	TEXT_COLOR
protected static java.lang.String	TEXT_COLOR_KEY

Constructor Summary

ArcEdgePainter()

Method Summary

void	getEdgeScreenBounds(JGraphPane grp, Edge edge, java.awt.Rectangle scr) Returns the outer rectangle of the edge on screen.
Group	getGroup() Get the group this member belongs to.
java.lang.String	getIdentifier() Get a unique identifier of the member.
void	groupPropertyChanged(java.lang.String name, java.lang.Object oldvalue, java.lang.Object newvalue) Called by this member's group if a property of the group changed.
void	paintEdge(JGraphPane grp, java.awt.Graphics2D g, Edge edge) Paints the supplied edge.
double	screenDistanceFromEdge(JGraphPane grp, Edge edge, java.awt.Point point) Returns the distance of the point to the edge.
void	setGroup(Group group) Sets the group of this member.

Methods inherited from class java.lang.Object

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

Field Detail

IDENTIFIER

public static final java.lang.String IDENTIFIER

See Also:

Constant Field Values

ARROW_SIZE_KEY

protected static final java.lang.String ARROW_SIZE_KEY

See Also:

Constant Field Values

COLOR_KEY

protected static final java.lang.String COLOR_KEY

See Also:

Constant Field Values

TEXT_COLOR_KEY

protected static final java.lang.String TEXT_COLOR_KEY

See Also:

Constant Field Values

FONT_KEY

protected static final java.lang.String FONT_KEY

See Also:

Constant Field Values

STROKE_KEY

protected static final java.lang.String STROKE_KEY

See Also:

Constant Field Values

ARROW_SIZE

protected static final java.awt.Dimension ARROW_SIZE

COLOR

protected static final java.awt.Color COLOR

TEXT_COLOR

protected static final java.awt.Color TEXT_COLOR

FONT

protected static final java.awt.Font FONT

STROKE

protected static final java.awt.Stroke STROKE

Constructor Detail

ArcEdgePainter

public ArcEdgePainter()

Method Detail

getGroup

public Group getGroup()

Description copied from interface: Member

Get the group this member belongs to.

Specified by:

getGroup in interface Member

Returns:

The group this member belong to or null if the member currently does not belong to a group.

getIdentifier

public java.lang.String getIdentifier()

Description copied from interface: Member

Get a unique identifier of the member.

Specified by:

getIdentifier in interface Member

groupPropertyChanged

public void groupPropertyChanged(java.lang.String name,
                                 java.lang.Object oldvalue,
                                 java.lang.Object newvalue)

Description copied from interface: Member

Called by this member's group if a property of the group changed.

Specified by:

groupPropertyChanged in interface Member

setGroup

public void setGroup(Group group)
              throws java.lang.IllegalArgumentException

Description copied from interface: Member

Sets the group of this member. This method will usually be called by the group itself when this member is added to or removed from it.

Specified by:

setGroup in interface Member

Throws:

java.lang.IllegalArgumentException

paintEdge

public void paintEdge(JGraphPane grp,
                      java.awt.Graphics2D g,
                      Edge edge)

Description copied from interface: EdgePainter

Paints the supplied edge.

Specified by:

paintEdge in interface EdgePainter

Parameters:

grp - the graph pane

g - the graphics

edge - the edge to paint

getEdgeScreenBounds

public void getEdgeScreenBounds(JGraphPane grp,
                                Edge edge,
                                java.awt.Rectangle scr)

Description copied from interface: EdgePainter

Returns the outer rectangle of the edge on screen.

Specified by:

getEdgeScreenBounds in interface EdgePainter

Parameters:

grp - the graph pane

edge - the edge

scr - the rectangle receiving the edge's coordinates

screenDistanceFromEdge

public double screenDistanceFromEdge(JGraphPane grp,
                                     Edge edge,
                                     java.awt.Point point)

Description copied from interface: EdgePainter

Returns the distance of the point to the edge.

Specified by:

screenDistanceFromEdge in interface EdgePainter

Parameters:

grp - the graph pane

edge - the edge

point - the point

Returns:

the distance of the point from the edge