// function that executes the puzzle graph layout(s) through an animation
// Uses the organic layout to first separate independent nodes, then uses the
// hierarchical layout to make it look nifty
public static void updatePuzzleGraph() {
frmPuzzledicePuzzleEditor.setEnabled(false);
puzzleGraph.getModel().beginUpdate();
try {
puzzleGraphHierLayout.execute(puzzleGraph.getDefaultParent());
} finally {
mxMorphing morph = new mxMorphing(puzzleGraphComponent, 20, 1.2, 20);
morph.addListener(
mxEvent.DONE,
new mxIEventListener() {
public void invoke(Object sender, mxEventObject evt) {
puzzleGraph.getModel().endUpdate();
frmPuzzledicePuzzleEditor.setEnabled(true);
}
});
morph.startAnimation();
}
}
public drawGraph(Data d, String name) {
// Create JFrame
f = new JFrame(name);
f.setSize(500, 500);
f.setLocation(300, 200);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Set initial locations for vertices
int xLoc = 20;
int yLoc = 20;
// Initialize temporary holding variables
Object temp;
String style = "";
Vertex v;
int i;
// Create hashtable of IDs pointing to vertices
Hashtable<Integer, Object> findVert = new Hashtable<Integer, Object>();
// Create mxGraph
final mxGraph graph = new mxGraph();
mxGraphComponent graphComponent = new mxGraphComponent(graph);
f.getContentPane().add(BorderLayout.CENTER, graphComponent);
f.setVisible(true);
Object parent = graph.getDefaultParent();
graph.getModel().beginUpdate();
// Read in all vertices in array list
try {
for (i = 0; i < d.vertices.size(); i++) {
v = d.vertices.get(i);
// Design vertices based on data type
if (v.type.equals("String")) style = "fontColor=black;fillColor=#65AED";
else if (v.type.equals("Array Reference")) style = "fontColor=black;fillColor=#74A0EF";
else if (v.type.equals("Object Reference")) style = "fontColor=black;fillColor=#FF8330";
else if (v.type.equals("Primitive")) style = "fontColor=black;fillColor=#BCE640";
else if (v.type.equals("Frame")) style = "fontColor=black;fillColor=#CCCCCC";
else style = "fontColor=black;fillColor=#FF6262";
// Create vertices and put in hashtable
if (!findVert.containsKey(d.vertices.get(i).id)) {
temp =
graph.insertVertex(parent, null, d.vertices.get(i).value, xLoc, yLoc, 80, 30, style);
findVert.put(d.vertices.get(i).id, temp);
}
yLoc += 50;
style = "";
}
// For each edge, create a vertex between start and finish to prevent overlapping edge labels
try {
for (i = 0; i < d.edges.size(); i++) {
temp =
graph.insertVertex(
parent,
null,
d.edges.get(i).name,
xLoc,
yLoc,
40,
20,
"strokeColor=#EEEEEE;fillColor=#EEEEEE");
graph.insertEdge(
parent, null, "", findVert.get(d.edges.get(i).source.id), temp, "endArrow=none");
graph.insertEdge(parent, null, "", temp, findVert.get(d.edges.get(i).destination.id));
}
} catch (NullPointerException npe) {
System.out.println(d.edges.get(i).name);
}
} finally {
graph.getModel().endUpdate();
}
// Define layout
mxFastOrganicLayout layout = new mxFastOrganicLayout(graph);
layout.setForceConstant(120);
// Layout using morphing
graph.getModel().beginUpdate();
try {
layout.execute(graph.getDefaultParent());
} finally {
mxMorphing morph = new mxMorphing(graphComponent, 20, 1.2, 20);
morph.addListener(
mxEvent.DONE,
new mxIEventListener() {
@Override
public void invoke(Object arg0, mxEventObject arg1) {
graph.getModel().endUpdate();
}
});
morph.startAnimation();
}
}