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/*
* Copyright (c) 2010 Mia-Software.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Gabriel Barbier (Mia-Software) - initial API and implementation
*/
package org.eclipse.gmt.modisco.infra.prefuse.examples.radialgraphview;
import prefuse.Constants;
import prefuse.Display;
import prefuse.Visualization;
import prefuse.action.ActionList;
import prefuse.action.ItemAction;
import prefuse.action.RepaintAction;
import prefuse.action.animate.ColorAnimator;
import prefuse.action.animate.PolarLocationAnimator;
import prefuse.action.animate.QualityControlAnimator;
import prefuse.action.animate.VisibilityAnimator;
import prefuse.action.assignment.ColorAction;
import prefuse.action.assignment.FontAction;
import prefuse.action.layout.CollapsedSubtreeLayout;
import prefuse.action.layout.graph.RadialTreeLayout;
import prefuse.activity.SlowInSlowOutPacer;
import prefuse.controls.DragControl;
import prefuse.controls.FocusControl;
import prefuse.controls.HoverActionControl;
import prefuse.controls.PanControl;
import prefuse.controls.ZoomControl;
import prefuse.controls.ZoomToFitControl;
import prefuse.data.Graph;
import prefuse.data.Node;
import prefuse.data.Tuple;
import prefuse.data.event.TupleSetListener;
import prefuse.data.search.PrefixSearchTupleSet;
import prefuse.data.search.SearchTupleSet;
import prefuse.data.tuple.DefaultTupleSet;
import prefuse.data.tuple.TupleSet;
import prefuse.render.AbstractShapeRenderer;
import prefuse.render.DefaultRendererFactory;
import prefuse.render.EdgeRenderer;
import prefuse.render.LabelRenderer;
import prefuse.util.ColorLib;
import prefuse.util.FontLib;
import prefuse.visual.VisualItem;
import prefuse.visual.expression.InGroupPredicate;
import prefuse.visual.sort.TreeDepthItemSorter;
/**
* Demonstration of a node-link tree viewer
*
* @version 1.0
*/
@SuppressWarnings("serial")
public class RadialGraphView extends Display {
private LabelRenderer m_nodeRenderer;
private EdgeRenderer m_edgeRenderer;
private String m_label = "label"; //$NON-NLS-1$
public RadialGraphView(Graph g, String label) {
super(new Visualization());
this.m_label = label;
// -- set up visualization --
this.m_vis.add(RadialGraphViewConstants.tree, g);
this.m_vis.setInteractive(RadialGraphViewConstants.treeEdges, null, false);
// -- set up renderers --
this.m_nodeRenderer = new LabelRenderer(this.m_label);
this.m_nodeRenderer.setRenderType(AbstractShapeRenderer.RENDER_TYPE_FILL);
this.m_nodeRenderer.setHorizontalAlignment(Constants.CENTER);
this.m_nodeRenderer.setRoundedCorner(8,8);
this.m_edgeRenderer = new EdgeRenderer();
DefaultRendererFactory rf = new DefaultRendererFactory(this.m_nodeRenderer);
rf.add(new InGroupPredicate(RadialGraphViewConstants.treeEdges), this.m_edgeRenderer);
this.m_vis.setRendererFactory(rf);
// -- set up processing actions --
// colors
ItemAction nodeColor = new NodeColorAction(RadialGraphViewConstants.treeNodes);
ItemAction textColor = new TextColorAction(RadialGraphViewConstants.treeNodes);
this.m_vis.putAction("textColor", textColor); //$NON-NLS-1$
ItemAction edgeColor = new ColorAction(RadialGraphViewConstants.treeEdges,
VisualItem.STROKECOLOR, ColorLib.rgb(200,200,200));
FontAction fonts = new FontAction(RadialGraphViewConstants.treeNodes,
FontLib.getFont("Tahoma", 10)); //$NON-NLS-1$
fonts.add("ingroup('_focus_')", FontLib.getFont("Tahoma", 11)); //$NON-NLS-1$ //$NON-NLS-2$
// recolor
ActionList recolor = new ActionList();
recolor.add(nodeColor);
recolor.add(textColor);
this.m_vis.putAction("recolor", recolor); //$NON-NLS-1$
// repaint
ActionList repaint = new ActionList();
repaint.add(recolor);
repaint.add(new RepaintAction());
this.m_vis.putAction("repaint", repaint); //$NON-NLS-1$
// animate paint change
ActionList animatePaint = new ActionList(400);
animatePaint.add(new ColorAnimator(RadialGraphViewConstants.treeNodes));
animatePaint.add(new RepaintAction());
this.m_vis.putAction("animatePaint", animatePaint); //$NON-NLS-1$
// create the tree layout action
RadialTreeLayout treeLayout = new RadialTreeLayout(RadialGraphViewConstants.tree);
//treeLayout.setAngularBounds(-Math.PI/2, Math.PI);
this.m_vis.putAction("treeLayout", treeLayout); //$NON-NLS-1$
CollapsedSubtreeLayout subLayout = new CollapsedSubtreeLayout(RadialGraphViewConstants.tree);
this.m_vis.putAction("subLayout", subLayout); //$NON-NLS-1$
// create the filtering and layout
ActionList filter = new ActionList();
filter.add(new TreeRootAction(RadialGraphViewConstants.tree));
filter.add(fonts);
filter.add(treeLayout);
filter.add(subLayout);
filter.add(textColor);
filter.add(nodeColor);
filter.add(edgeColor);
this.m_vis.putAction("filter", filter); //$NON-NLS-1$
// animated transition
ActionList animate = new ActionList(1250);
animate.setPacingFunction(new SlowInSlowOutPacer());
animate.add(new QualityControlAnimator());
animate.add(new VisibilityAnimator(RadialGraphViewConstants.tree));
animate.add(new PolarLocationAnimator(RadialGraphViewConstants.treeNodes, RadialGraphViewConstants.linear));
animate.add(new ColorAnimator(RadialGraphViewConstants.treeNodes));
animate.add(new RepaintAction());
this.m_vis.putAction("animate", animate); //$NON-NLS-1$
this.m_vis.alwaysRunAfter("filter", "animate"); //$NON-NLS-1$ //$NON-NLS-2$
// ------------------------------------------------
// initialize the display
setSize(700,600);
setItemSorter(new TreeDepthItemSorter());
addControlListener(new DragControl());
addControlListener(new ZoomToFitControl());
addControlListener(new ZoomControl());
addControlListener(new PanControl());
addControlListener(new FocusControl(1, "filter")); //$NON-NLS-1$
addControlListener(new HoverActionControl("repaint")); //$NON-NLS-1$
// ------------------------------------------------
// filter graph and perform layout
this.m_vis.run("filter"); //$NON-NLS-1$
// maintain a set of items that should be interpolated linearly
// this isn't absolutely necessary, but makes the animations nicer
// the PolarLocationAnimator should read this set and act accordingly
this.m_vis.addFocusGroup(RadialGraphViewConstants.linear, new DefaultTupleSet());
this.m_vis.getGroup(Visualization.FOCUS_ITEMS).addTupleSetListener(
new TupleSetListener() {
@SuppressWarnings("synthetic-access")
public void tupleSetChanged(TupleSet t, Tuple[] add, Tuple[] rem) {
TupleSet linearInterp = RadialGraphView.this.m_vis.getGroup(RadialGraphViewConstants.linear);
if ( add.length < 1 ) return; linearInterp.clear();
for ( Node n = (Node)add[0]; n!=null; n=n.getParent() )
linearInterp.addTuple(n);
}
}
);
SearchTupleSet search = new PrefixSearchTupleSet();
this.m_vis.addFocusGroup(Visualization.SEARCH_ITEMS, search);
search.addTupleSetListener(new TupleSetListener() {
@SuppressWarnings("synthetic-access")
public void tupleSetChanged(TupleSet t, Tuple[] add, Tuple[] rem) {
RadialGraphView.this.m_vis.cancel("animatePaint"); //$NON-NLS-1$
RadialGraphView.this.m_vis.run("recolor"); //$NON-NLS-1$
RadialGraphView.this.m_vis.run("animatePaint"); //$NON-NLS-1$
}
});
}
} // end of class RadialGraphView
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