org.primordion.xholon.io
Class TreeViewerJung

java.lang.Object
  org.primordion.xholon.io.TreeViewerJung

All Implemented Interfaces:

IGraphicalTreeViewer, IViewer

public class TreeViewerJung

extends java.lang.Object

implements IGraphicalTreeViewer

Graphical tree viewer constructed using the JUNG software.

This requires the Java classes that implement JUNG. Download these from the JUNG web site, download the additional third-party Java classes specified at that site, and install the various downloaded jar files.

Since:

0.2 (Created on November 29, 2005)

Author:

Ken Webb

See Also:

jung.sourceforge.net

Constructor Summary

TreeViewerJung()
Constructor.

Method Summary

void	createGraph(IXholon xhRoot, java.lang.String title, boolean showNodeLabels) Create a graph using a tree layout.
void	remove() Remove the graph from the screen.
void	setDistances(int distX, int distY) Set the default x and y distances between vertices.
void	setGraphSize(int sizeX, int sizeY) Set the size of the graph.
void	setLabelFontSize(int fontSize) Set the font size for displaying labels on vertices.
void	writeImage(java.io.File file, java.lang.String formatName) Write a graph to a file using PNG, JPG or some other graphic format.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeViewerJung

public TreeViewerJung()

Constructor.

Method Detail

setDistances

public void setDistances(int distX,
                         int distY)

Description copied from interface: IGraphicalTreeViewer

Set the default x and y distances between vertices.

Specified by:

setDistances in interface IGraphicalTreeViewer

Parameters:

distX - Distance in the x direction (system default is 50).

distY - Distance in the y direction (system default is 50).

setGraphSize

public void setGraphSize(int sizeX,
                         int sizeY)

Description copied from interface: IGraphicalTreeViewer

Set the size of the graph.

Specified by:

setGraphSize in interface IGraphicalTreeViewer

Parameters:

sizeX - Size in the x direction.

sizeY - Size in the y direction.

setLabelFontSize

public void setLabelFontSize(int fontSize)

Description copied from interface: IGraphicalTreeViewer

Set the font size for displaying labels on vertices.

Specified by:

setLabelFontSize in interface IGraphicalTreeViewer

Parameters:

fontSize - The font size (default is 9).

createGraph

public void createGraph(IXholon xhRoot,
                        java.lang.String title,
                        boolean showNodeLabels)

Description copied from interface: IGraphicalTreeViewer

Create a graph using a tree layout.

Specified by:

createGraph in interface IGraphicalTreeViewer

Parameters:

xhRoot - The root of the IXholon tree.

title - The title to appear in the viewer window,

showNodeLabels - Whether vertices (nodes) should initially appear labelled.

writeImage

public void writeImage(java.io.File file,
                       java.lang.String formatName)

Write a graph to a file using PNG, JPG or some other graphic format.

Parameters:

file - The file to be written to.

formatName - Name of the graphic format to use.

remove

public void remove()

Description copied from interface: IGraphicalTreeViewer

Remove the graph from the screen.

Specified by:

remove in interface IGraphicalTreeViewer