de.jaret.util.ui.timebars.swing.renderer
Class DefaultRelationRenderer

java.lang.Object
  de.jaret.util.ui.timebars.swing.renderer.DefaultRelationRenderer

All Implemented Interfaces:

IRelationRenderer

public class DefaultRelationRenderer
extends java.lang.Object
implements IRelationRenderer

Renderer rendering relations between intervals that implement the IRelationalInterval interface. Does not support vertical orientation.

Version:

$Id: DefaultRelationRenderer.java 1073 2010-11-22 21:25:33Z kliem $

Author:

kliem

Nested Class Summary

class

DefaultRelationRenderer.Line Internal line represenation for caching.

Field Summary

protected int	_arrowSize arrow size.
protected java.awt.Color	_lineColor color used for the lines.
protected int	_lineWidth linewidth to use.
protected java.awt.Color	_selectedColor color used for the lines when selected.

Constructor Summary

DefaultRelationRenderer()
Default constructor.

Method Summary

int	getArrowSize() Retrieve the current size set for the arrows.
int	getLineWidth() Retrieve the current line width.
java.util.List<IIntervalRelation>	getRelationsForCoord(int x, int y) Retrieve the list of relations that are hit a the given coordinate.
java.lang.String	getTooltip(int x, int y) Supply a tooltip for a position in the diagram area.
void	renderRelations(TimeBarViewerDelegate delegate, java.awt.Graphics graphics) Do the complete relation rendering.
void	setArrowSize(int arrowSize) Set the arrow size.
void	setLineWidth(int lineWidth) Set the line width for the connection lines.

Methods inherited from class java.lang.Object

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

Field Detail

_lineColor

protected java.awt.Color _lineColor

color used for the lines.

_selectedColor

protected java.awt.Color _selectedColor

color used for the lines when selected.

_lineWidth

protected int _lineWidth

linewidth to use.

_arrowSize

protected int _arrowSize

arrow size.

Constructor Detail

DefaultRelationRenderer

public DefaultRelationRenderer()

Default constructor.

Method Detail

renderRelations

public void renderRelations(TimeBarViewerDelegate delegate,
                            java.awt.Graphics graphics)

Do the complete relation rendering. Processes all rows that are displayed.

Specified by:

renderRelations in interface IRelationRenderer

Parameters:

delegate - the delegate

graphics - Graphics to paint on

getRelationsForCoord

public java.util.List<IIntervalRelation> getRelationsForCoord(int x,
                                                              int y)

Retrieve the list of relations that are hit a the given coordinate.

Specified by:

getRelationsForCoord in interface IRelationRenderer

Parameters:

x - x coordinate

y - y coordinate

Returns:

List of realations that may be empty but must not be null

getTooltip

public java.lang.String getTooltip(int x,
                                   int y)

Supply a tooltip for a position in the diagram area.

Specified by:

getTooltip in interface IRelationRenderer

Parameters:

x - x coordinate

y - y coordinate

Returns:

null for no tooltip contribution or tooltip to be displayed

getLineWidth

public int getLineWidth()

Retrieve the current line width.

Returns:

the current line width

setLineWidth

public void setLineWidth(int lineWidth)

Set the line width for the connection lines.

Parameters:

lineWidth - line width to set

getArrowSize

public int getArrowSize()

Retrieve the current size set for the arrows.

Returns:

the arrow size

setArrowSize

public void setArrowSize(int arrowSize)

Set the arrow size.

Parameters:

arrowSize - arrow size