/* ==========================================
* JGraphT : a free Java graph-theory library
* ==========================================
*
* Project Info: http://jgrapht.sourceforge.net/
* Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
*
* (C) Copyright 2003-2008, by Barak Naveh and Contributors.
*
* This program and the accompanying materials are dual-licensed under
* either
*
* (a) the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation, or (at your option) any
* later version.
*
* or (per the licensee's choosing)
*
* (b) the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation.
*/
/* -------------------
* TouchgraphPanel.java
* -------------------
* (C) Copyright 2006-2008, by Carl Anderson and Contributors.
*
* Original Author: Carl Anderson
* Contributor(s): -
*
* $Id$
*
* Changes
* -------
* 8-May-2006 : Initial revision (CA);
*
*/
package org.jgrapht.experimental.touchgraph;
import com.touchgraph.graphlayout.*;
import com.touchgraph.graphlayout.interaction.*;
import java.awt.*;
import java.util.*;
import org.jgrapht.*;
/**
* The Touchgraph panel that displays our graph
* http://sourceforge.net/projects/touchgraph
*
* @author canderson
*/
public class TouchgraphPanel<V, E>
extends GLPanel
{
//~ Static fields/initializers ---------------------------------------------
/**
*/
private static final long serialVersionUID = -7441058429719746032L;
//~ Instance fields --------------------------------------------------------
private Color defaultBackColor = new Color(0x01, 0x11, 0x44);
private Color defaultBorderBackColor = new Color(0x02, 0x35, 0x81);
private Color defaultForeColor =
new Color((float) 0.95, (float) 0.85, (float) 0.55);
/**
* the JGraphT graph we are displaying
*/
Graph<V, E> graph;
/**
* are self-references allowed? They will not show up in TouchGraph unless
* you override Touchgraph's Node or Edge class to do so
*/
boolean selfReferencesAllowed = true;
// =================
//~ Constructors -----------------------------------------------------------
/**constructor*/
public TouchgraphPanel(Graph<V, E> graph, boolean selfReferencesAllowed)
{
this.graph = graph;
this.selfReferencesAllowed = selfReferencesAllowed;
/*
* The code that was in the super's constructor. As it also called
* super's initialize()
* it is impossible to subclass and insert our own graph into the
* initialization process
*/
preinitialize();
initialize(); // now we can insert our own graph into this method
}
//~ Methods ----------------------------------------------------------------
/**
* get everything setup: this is the code that was in the super's
* constructor but which was followed by an initialize() call. Hence, it was
* impossible to subclass the superclass and insert our own graph
* initialization code without breaking it out as here.
*/
public void preinitialize()
{
this.setBackground(defaultBorderBackColor);
this.setForeground(defaultForeColor);
scrollBarHash = new Hashtable();
tgLensSet = new TGLensSet();
tgPanel = new TGPanel();
tgPanel.setBackColor(defaultBackColor);
hvScroll = new HVScroll(tgPanel, tgLensSet);
zoomScroll = new ZoomScroll(tgPanel);
hyperScroll = new HyperScroll(tgPanel);
rotateScroll = new RotateScroll(tgPanel);
localityScroll = new LocalityScroll(tgPanel);
}
/**
* Initialize panel, lens, and establish a random graph as a demonstration.
*/
public void initialize()
{
buildPanel();
buildLens();
tgPanel.setLensSet(tgLensSet);
addUIs();
try {
if (this.graph == null) {
/*
* Add a random graph
*/
randomGraph();
} else {
/*
* Add users graph
*/
TouchgraphConverter<V, E> converter =
new TouchgraphConverter<V, E>();
Node n =
(Node) converter.convertToTouchGraph(
this.graph,
tgPanel,
this.selfReferencesAllowed);
getHVScroll().slowScrollToCenter(n);
tgPanel.setLocale(n, Integer.MAX_VALUE);
}
} catch (TGException tge) {
System.err.println(tge.getMessage());
tge.printStackTrace(System.err);
}
setVisible(true);
}
}
// End TouchgraphPanel.java