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Using prefuse within JRuby - posted by simonvc in the prefuse sourceforge forum

http://sourceforge.net/forum/forum.php?t..._id=343013

Code:

puts "Ruby Powered" 

require 'java' 

java.lang.System.out.println "Java Loaded" 

graph=Java::prefuse.data.io.GraphMLReader.new.readGraph("socialnet.xml") 

vis=Java::prefuse.Visualization.new 

vis.add("graph", graph) 

vis.setInteractive("graph.edges", nil, false) 

r=Java::prefuse.render.LabelRenderer.new("name") 

r.setRoundedCorner(8,8) 

dfr=Java::prefuse.render.DefaultRendererFactory(r).new 

vis.setRendererFactory(dfr) 

#Color stuff 

red=Java::prefuse.util.ColorLib.rgb(255,180,180) 

blue=Java::prefuse.util.ColorLib.rgb(190,190,255) 

palette=[red, blue].to_java :int 

NOMINAL=Java::prefuse.Constants::NOMINAL 

FILLCOLOR=Java::prefuse.visual.VisualItem::FILLCOLOR 

TEXTCOLOR=Java::prefuse.visual.VisualItem::TEXTCOLOR 

STROKECOLOR=Java::prefuse.visual.VisualItem::STROKECOLOR 

fill=Java::prefuse.action.assignment.DataColorAction.new("graph.nodes", "gender", NOMINAL, FILLCOLOR, palette) 

text=Java::prefuse.action.assignment.ColorAction.new("graph.nodes", TEXTCOLOR, Java::prefuse.util.ColorLib.gray(0)) 

edges=Java::prefuse.action.assignment.ColorAction.new("graph.edges", STROKECOLOR, Java::prefuse.util.ColorLib.gray(200)) 

color=Java::prefuse.action.ActionList.new 

color.add(fill) 

color.add(text) 

color.add(edges) 

# Layout Stuff 

Infinity=Java::prefuse.activity.Activity::INFINITY 

layout=Java::prefuse.action.ActionList.new(Infinity) 

layout.add Java::prefuse.action.layout.graph.ForceDirectedLayout.new("graph") 

layout.add Java::prefuse.action.RepaintAction.new 

vis.putAction("color", color) 

vis.putAction("layout", layout) 

d=Java::prefuse.Display.new(vis) 

d.setSize(720, 500) 

d.addControlListener Java::prefuse.controls.DragControl.new 

d.addControlListener Java::prefuse.controls.PanControl.new 

d.addControlListener Java::prefuse.controls.ZoomControl.new 

frame=javax.swing.JFrame.new("prefuse example") 

frame.setDefaultCloseOperation(javax.swing.JFrame::EXIT_ON_CLOSE) 

frame.getContentPane().add(d) 

frame.pack 

frame.setVisible(true) 

vis.run("color") 

vis.run("layout")

well done

34all