public VisualizationViewer<String, Edge> generateGraphView() {
Transformer<String, Paint> vertexColor =
new Transformer<String, Paint>() {
public Paint transform(String licenseTerm) {
if (licenseTerm.contains("May")) return Color.GREEN;
if (licenseTerm.contains("Must")) return Color.ORANGE;
if (licenseTerm.equals("LimitedLiability")
|| licenseTerm.equals("ProvideWithoutWarranty")) return Color.CYAN;
return Color.YELLOW;
}
};
Layout<String, Edge> layout = new CircleLayout<String, Edge>(this.licenseGraph);
layout.setSize(new Dimension(1024, 768));
VisualizationViewer<String, Edge> vv = new VisualizationViewer<String, Edge>(layout);
vv.setPreferredSize(new Dimension(1024, 768));
vv.getRenderContext().setVertexFillPaintTransformer(vertexColor);
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller<Edge>());
AbstractModalGraphMouse gm = new DefaultModalGraphMouse<String, Edge>();
vv.setGraphMouse(gm);
popupMenu = new LicenseTermPopupMenu<>(licenseModel);
gm.add(popupMenu);
return vv;
}
public void displayLicenseGraph() {
Transformer<String, Paint> vertexColor =
new Transformer<String, Paint>() {
public Paint transform(String licenseTerm) {
if (licenseTerm.contains("May")) return Color.GREEN;
if (licenseTerm.contains("Must")) return Color.ORANGE;
if (licenseTerm.equals("LimitedLiability")
|| licenseTerm.equals("ProvideWithoutWarranty")) return Color.CYAN;
return Color.YELLOW;
}
};
Layout<String, Edge> layout = new CircleLayout<String, Edge>(this.licenseGraph);
layout.setSize(new Dimension(1024, 768));
VisualizationViewer<String, Edge> vv = new VisualizationViewer<String, Edge>(layout);
vv.setPreferredSize(new Dimension(1024, 768));
vv.getRenderContext().setVertexFillPaintTransformer(vertexColor);
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<String>());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller<Edge>());
AbstractModalGraphMouse gm = new DefaultModalGraphMouse<String, Edge>();
vv.setGraphMouse(gm);
LicenseTermPopupMenu<String, Edge> popupMenu = new LicenseTermPopupMenu<>(licenseModel);
gm.add(popupMenu);
JFrame frame = new JFrame("Interactive Graph View 1");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
frame.pack();
frame.setVisible(true);
}
/**
* This will reload all positions of all vertices in the layout's graph. It will not reload if the
* used layout type does not match the saved one. (the position of x/y in a circle is not valid
* for x/y in a tree).
*
* @param layout
* @param type
* @param properties
* @param category
*/
private static void reloadAllVerticesPositions(
final Layout<DatabaseObject, Relation> layout,
final LayoutType type,
final ConnectionProperties properties,
final AttributeMapSet category) {
final Collection<DatabaseObject> vertices = layout.getGraph().getVertices();
if (vertices.isEmpty()) {
return;
}
for (final DatabaseObject object : vertices) {
// If special positions contained in properties' attributes map, use them.
if (properties != null) {
final ConnectionAttributesMap attributes = properties.getAttributesMap(category, object);
final int newPosX = attributes.getPositionX();
final int newPosY = attributes.getPositionY();
final String oldLayout = attributes.getLayout();
// Is this the same layout?
if (oldLayout.isEmpty() || oldLayout.equalsIgnoreCase(type.toString())) {
// Are this valid number values?
if ((newPosX > 0) && (newPosY > 0)) {
layout.setLocation(object, new Point2D.Double(newPosX, newPosY));
}
}
}
}
}
/** @param args the command line arguments */
public static void main(String[] args) {
JFrame frame = new JFrame("Editing and Mouse Menu Demo");
SparseMultigraph<GraphElements.MyVertex, GraphElements.MyEdge> g =
new SparseMultigraph<GraphElements.MyVertex, GraphElements.MyEdge>();
// Layout<V, E>, VisualizationViewer<V,E>
// Map<GraphElements.MyVertex,Point2D> vertexLocations = new
// HashMap<GraphElements.MyVertex, Point2D>();
Layout<GraphElements.MyVertex, GraphElements.MyEdge> layout = new StaticLayout(g);
layout.setSize(new Dimension(300, 300));
VisualizationViewer<GraphElements.MyVertex, GraphElements.MyEdge> vv =
new VisualizationViewer<GraphElements.MyVertex, GraphElements.MyEdge>(layout);
vv.setPreferredSize(new Dimension(350, 350));
// Show vertex and edge labels
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller());
// Create a graph mouse and add it to the visualization viewer
EditingModalGraphMouse gm =
new EditingModalGraphMouse(
vv.getRenderContext(),
GraphElements.MyVertexFactory.getInstance(),
GraphElements.MyEdgeFactory.getInstance());
// Set some defaults for the Edges...
GraphElements.MyEdgeFactory.setDefaultCapacity(192.0);
GraphElements.MyEdgeFactory.setDefaultWeight(5.0);
// Trying out our new popup menu mouse plugin...
PopupVertexEdgeMenuMousePlugin myPlugin = new PopupVertexEdgeMenuMousePlugin();
// Add some popup menus for the edges and vertices to our mouse plugin.
JPopupMenu edgeMenu = new MyMouseMenus.EdgeMenu(frame);
JPopupMenu vertexMenu = new MyMouseMenus.VertexMenu();
myPlugin.setEdgePopup(edgeMenu);
myPlugin.setVertexPopup(vertexMenu);
gm.remove(gm.getPopupEditingPlugin()); // Removes the existing popup editing plugin
gm.add(myPlugin); // Add our new plugin to the mouse
vv.setGraphMouse(gm);
// JFrame frame = new JFrame("Editing and Mouse Menu Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
// Let's add a menu for changing mouse modes
JMenuBar menuBar = new JMenuBar();
JMenu modeMenu = gm.getModeMenu();
modeMenu.setText("Mouse Mode");
modeMenu.setIcon(null); // I'm using this in a main menu
modeMenu.setPreferredSize(new Dimension(80, 20)); // Change the size so I can see the text
menuBar.add(modeMenu);
frame.setJMenuBar(menuBar);
gm.setMode(ModalGraphMouse.Mode.EDITING); // Start off in editing mode
frame.pack();
frame.setVisible(true);
}
protected Collection<E> getFilteredEdges(Layout<V, E> layout) {
if (edgesAreFiltered()) {
Collection<E> unfiltered = layout.getGraph().getEdges();
Collection<E> filtered = new LinkedHashSet<E>();
for (E e : unfiltered) {
if (isEdgeRendered(Context.<Graph<V, E>, E>getInstance(layout.getGraph(), e))) {
filtered.add(e);
}
}
return filtered;
} else {
return layout.getGraph().getEdges();
}
}
protected Collection<V> getFilteredVertices(Layout<V, E> layout) {
if (verticesAreFiltered()) {
Collection<V> unfiltered = layout.getGraph().getVertices();
Collection<V> filtered = new LinkedHashSet<V>();
for (V v : unfiltered) {
if (isVertexRendered(Context.<Graph<V, E>, V>getInstance(layout.getGraph(), v))) {
filtered.add(v);
}
}
return filtered;
} else {
return layout.getGraph().getVertices();
}
}
@Override
public void update() {
if (enabled) {
try {
final Layout<V, E> layout =
(Layout<V, E>) layoutClass.getConstructor(Graph.class).newInstance(graph);
if (this.size == null) {
double border = PADDING * 2 * parent.getScale();
layout.setSize(
new Dimension(
(int) parent.getWidth() - PADDING * 2, (int) parent.getHeight() - PADDING * 2));
} else {
layout.setSize(size);
}
List<PNode> nodes = new ArrayList<PNode>();
List<Point2D> targetPositions = new ArrayList<Point2D>();
for (V n : graph.getVertices()) {
nodes.add(n);
Point2D pos = layout.transform(n);
pos.setLocation(pos.getX() + parent.getX(), pos.getY() + parent.getY());
targetPositions.add(pos);
}
PActivity a =
new PMultipleNodeTranlate(
duration,
ANIMATION_DEFAULT_STEP_RATE,
System.currentTimeMillis(),
nodes,
targetPositions);
parent.getRoot().addActivity(a);
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
}
}
public FSMBuildVisualizer() {
super("Model Visualizer");
graph = new DirectedSparseMultigraph<>();
graph.addVertex(current);
// Layout<FSMTransition, String> layout = new CircleLayout<FSMTransition, String>(graph);
layout = new KKLayout<>(graph);
layout.setSize(new Dimension(800, 600)); // sets the initial size of the space
vv = new VisualizationViewer<>(layout);
vv.setPreferredSize(new Dimension(800, 600)); // Sets the viewing area size
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller());
vv.getRenderer().getVertexLabelRenderer().setPosition(Position.CNTR);
VertexLabelAsShapeRenderer<String, StepCounter> vlasr =
new VertexLabelAsShapeRenderer<>(vv.getRenderContext());
// vv.getRenderContext().setVertexShapeTransformer(vlasr);
vv.getRenderContext().setVertexShapeTransformer(new EllipseVertexTransformer());
// vv.getRenderContext().setVertexLabelRenderer(new
// TransitionVertextLabelRenderer(Color.GREEN));
DefaultModalGraphMouse gm = new DefaultModalGraphMouse();
vv.addKeyListener(gm.getModeKeyListener());
gm.setMode(ModalGraphMouse.Mode.TRANSFORMING);
vv.setGraphMouse(gm);
getContentPane().add(vv);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(1024, 768);
pack();
setVisible(true);
}
private void visualize(UndirectedSparseGraph<String, Integer> coOccurenceGraph) {
Layout<String, String> layout = new FRLayout(coOccurenceGraph);
layout.setSize(new Dimension(300, 300));
VisualizationViewer<String, String> vv = new VisualizationViewer<String, String>(layout);
vv.setPreferredSize(new Dimension(350, 350));
// Show vertex and edge labels
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller());
// Create a graph mouse and add it to the visualization component
DefaultModalGraphMouse gm = new DefaultModalGraphMouse();
vv.setGraphMouse(gm);
JFrame frame = new JFrame("Co-Occurrence");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
frame.pack();
frame.setVisible(true);
}
/**
* Returns the vertex, if any, whose shape contains (x, y). If (x,y) is contained in more than one
* vertex's shape, returns the vertex whose center is closest to the pick point.
*
* @param layout the layout instance that records the positions for all vertices
* @param x the x coordinate of the pick point
* @param y the y coordinate of the pick point
* @return the vertex whose shape contains (x,y), and whose center is closest to the pick point
*/
public V getVertex(Layout<V, E> layout, double x, double y) {
V closest = null;
double minDistance = Double.MAX_VALUE;
Point2D ip =
vv.getRenderContext()
.getMultiLayerTransformer()
.inverseTransform(Layer.VIEW, new Point2D.Double(x, y));
x = ip.getX();
y = ip.getY();
while (true) {
try {
for (V v : getFilteredVertices(layout)) {
Shape shape = vv.getRenderContext().getVertexShapeTransformer().apply(v);
// get the vertex location
Point2D p = layout.apply(v);
if (p == null) continue;
// transform the vertex location to screen coords
p = vv.getRenderContext().getMultiLayerTransformer().transform(Layer.LAYOUT, p);
double ox = x - p.getX();
double oy = y - p.getY();
if (shape.contains(ox, oy)) {
if (style == Style.LOWEST) {
// return the first match
return v;
} else if (style == Style.HIGHEST) {
// will return the last match
closest = v;
} else {
// return the vertex closest to the
// center of a vertex shape
Rectangle2D bounds = shape.getBounds2D();
double dx = bounds.getCenterX() - ox;
double dy = bounds.getCenterY() - oy;
double dist = dx * dx + dy * dy;
if (dist < minDistance) {
minDistance = dist;
closest = v;
}
}
}
}
break;
} catch (ConcurrentModificationException cme) {
}
}
return closest;
}
/**
* Changes the size of the underlying Layout.
*
* @param size The new size for the layout.
*/
private void setSize(Dimension size) {
ObservableCachingLayout<V, E> observableLayout = (ObservableCachingLayout) getGraphLayout();
Layout<V, E> tmpLayout = observableLayout;
while (!AbstractLayout.class.isAssignableFrom(tmpLayout.getClass()))
tmpLayout = ((LayoutDecorator<V, E>) tmpLayout).getDelegate();
AbstractLayout<V, E> layout = (AbstractLayout<V, E>) tmpLayout;
// the first time the graph is resized, re-initialize the layout to make sure it gets
// the right size. Any other time, just scale it. The first resize should be when the
// graph is made visible and laid out.
// this is kind of a hack; there may be a better way to handle this.
// I tried listening for componentShown, but it didn't work properly.
if (layoutInitialized < 1) {
layout.getSize().setSize(size);
layout.initialize();
layoutInitialized++;
return;
}
// change the size of the layout without triggering the automatic resizing.
double wScale = size.getWidth() / layout.getSize().getWidth();
double hScale = size.getHeight() / layout.getSize().getHeight();
double scale = Math.min(wScale, hScale);
layout.getSize().setSize(size);
Collection<V> vertices = new Vector(getVertices());
synchronized (graph) {
for (V v : vertices) {
double x =
layout.getX(v)
* scale; // Math.min( size.getWidth( ) - 10, Math.max( 10, layout.getX( v ) *
// scale ));
double y =
layout.getY(v)
* scale; // Math.min( size.getHeight( ) - 10, Math.max( 10, layout.getY( v ) *
// scale ));
layout.setLocation(v, new Point2D.Double(x, y));
}
}
// alert the ObservableLayout that things have changed.
observableLayout.fireStateChanged();
}
/**
* Retrieves the shape template for <code>e</code> and transforms it according to the positions of
* its endpoints in <code>layout</code>.
*
* @param layout the <code>Layout</code> which specifies <code>e</code>'s endpoints' positions
* @param e the edge whose shape is to be returned
* @return the transformed shape
*/
private Shape getTransformedEdgeShape(Layout<V, E> layout, E e) {
Pair<V> pair = layout.getGraph().getEndpoints(e);
V v1 = pair.getFirst();
V v2 = pair.getSecond();
boolean isLoop = v1.equals(v2);
Point2D p1 =
vv.getRenderContext().getMultiLayerTransformer().transform(Layer.LAYOUT, layout.apply(v1));
Point2D p2 =
vv.getRenderContext().getMultiLayerTransformer().transform(Layer.LAYOUT, layout.apply(v2));
if (p1 == null || p2 == null) return null;
float x1 = (float) p1.getX();
float y1 = (float) p1.getY();
float x2 = (float) p2.getX();
float y2 = (float) p2.getY();
// translate the edge to the starting vertex
AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1);
Shape edgeShape = vv.getRenderContext().getEdgeShapeTransformer().apply(e);
if (isLoop) {
// make the loops proportional to the size of the vertex
Shape s2 = vv.getRenderContext().getVertexShapeTransformer().apply(v2);
Rectangle2D s2Bounds = s2.getBounds2D();
xform.scale(s2Bounds.getWidth(), s2Bounds.getHeight());
// move the loop so that the nadir is centered in the vertex
xform.translate(0, -edgeShape.getBounds2D().getHeight() / 2);
} else {
float dx = x2 - x1;
float dy = y2 - y1;
// rotate the edge to the angle between the vertices
double theta = Math.atan2(dy, dx);
xform.rotate(theta);
// stretch the edge to span the distance between the vertices
float dist = (float) Math.sqrt(dx * dx + dy * dy);
xform.scale(dist, 1.0f);
}
// transform the edge to its location and dimensions
edgeShape = xform.createTransformedShape(edgeShape);
return edgeShape;
}
/** @param args the command line arguments */
public static void main(String[] args) {
InteractiveGraphView1 sgv = new InteractiveGraphView1(); // Creates the graph...
// Layout<V, E>, VisualizationViewer<V,E>
Layout<Integer, String> layout = new CircleLayout(sgv.g);
layout.setSize(new Dimension(300, 300));
VisualizationViewer<Integer, String> vv = new VisualizationViewer<Integer, String>(layout);
vv.setPreferredSize(new Dimension(350, 350));
// Show vertex and edge labels
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller());
// Create a graph mouse and add it to the visualization component
DefaultModalGraphMouse gm = new DefaultModalGraphMouse();
gm.setMode(ModalGraphMouse.Mode.TRANSFORMING);
vv.setGraphMouse(gm);
// Add the mouses mode key listener to work it needs to be added to the visualization component
vv.addKeyListener(gm.getModeKeyListener());
JFrame frame = new JFrame("Interactive Graph View 2");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
frame.pack();
frame.setVisible(true);
}
// method for flow graph visualization
public static void visualizeGraph(int[][] matrix, int N, int k) {
Graph<Integer, String> graph = new DirectedSparseGraph<Integer, String>();
for (int i = 0; i < matrix.length; i++) {
graph.addVertex((Integer) i);
}
for (int i = 0; i < matrix.length; i++) {
for (int j = 0; j < matrix[i].length; j++) {
// only select edge that has flow bigger than 0
if (matrix[i][j] > 0) {
graph.addEdge(i + "->" + j, i, j, EdgeType.DIRECTED);
}
}
}
Layout<Integer, String> layout = new CircleLayout<Integer, String>(graph);
layout.setSize(new Dimension(800, 800));
BasicVisualizationServer<Integer, String> vv =
new BasicVisualizationServer<Integer, String>(layout);
Transformer<Integer, Paint> vertexPaint =
new Transformer<Integer, Paint>() {
public Paint transform(Integer i) {
return Color.YELLOW;
}
};
vv.setPreferredSize(new Dimension(800, 800));
vv.getRenderContext().setVertexFillPaintTransformer(vertexPaint);
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<Integer>());
vv.getRenderer().getVertexLabelRenderer().setPosition(Position.CNTR);
JFrame frame = new JFrame("Network Visualization - N = " + N + ", k = " + k);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
frame.pack();
frame.setVisible(true);
}
/** @param args the command line arguments */
public static void main(String[] args) {
InteractiveGraphView1 sgv = new InteractiveGraphView1(); // Creates the graph...
// Layout<V, E>, VisualizationViewer<V,E>
Layout<Integer, String> layout = new CircleLayout(sgv.g);
layout.setSize(new Dimension(300, 300));
VisualizationViewer<Integer, String> vv = new VisualizationViewer<Integer, String>(layout);
vv.setPreferredSize(new Dimension(350, 350));
// Show vertex and edge labels
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller());
// Create our "custom" mouse here. We start with a PluggableGraphMouse
// Then add the plugins you desire.
PluggableGraphMouse gm = new PluggableGraphMouse();
gm.add(new TranslatingGraphMousePlugin(MouseEvent.BUTTON1_MASK));
gm.add(new ScalingGraphMousePlugin(new CrossoverScalingControl(), 0, 1.1f, 0.9f));
vv.setGraphMouse(gm);
JFrame frame = new JFrame("Interactive Graph View 3");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
frame.pack();
frame.setVisible(true);
}
private void addEdge(String step) {
String edge = current + "->" + step;
if (!edges.containsKey(edge)) {
// System.out.println("EDGE+" + edge);
if (!vertices.contains(step)) {
// System.out.println("VERTEX+" + t);
graph.addVertex(step);
vertices.add(step);
}
StepCounter counter = new StepCounter();
edges.put(edge, counter);
graph.addEdge(counter, current, step);
vv.repaint();
} else {
edges.get(edge).increment();
}
layout.reset();
}
/**
* Returns the vertices whose layout coordinates are contained in <code>Shape</code>. The shape is
* in screen coordinates, and the graph vertices are transformed to screen coordinates before they
* are tested for inclusion.
*
* @return the <code>Collection</code> of vertices whose <code>layout</code> coordinates are
* contained in <code>shape</code>.
*/
public Collection<V> getVertices(Layout<V, E> layout, Shape shape) {
Set<V> pickedVertices = new HashSet<V>();
// remove the view transform from the rectangle
shape = vv.getRenderContext().getMultiLayerTransformer().inverseTransform(Layer.VIEW, shape);
while (true) {
try {
for (V v : getFilteredVertices(layout)) {
Point2D p = layout.apply(v);
if (p == null) continue;
p = vv.getRenderContext().getMultiLayerTransformer().transform(Layer.LAYOUT, p);
if (shape.contains(p)) {
pickedVertices.add(v);
}
}
break;
} catch (ConcurrentModificationException cme) {
}
}
return pickedVertices;
}
/**
* ***************************************** This method is used to create the visualizer based on
* the layout selected by the User. ******************************************
*/
@SuppressWarnings("unchecked")
private void Visualizer() {
// Setting the Layout size
layout.setSize(new Dimension(1350, 650));
// Creating the Visualizer
VisualizationViewer<String, String> visualizer =
new VisualizationViewer<String, String>(layout);
visualizer.setPreferredSize(new Dimension(1400, 700));
// Creating a hash-map to store Icons
Map<String, Icon> iconsMap = new HashMap<String, Icon>();
for (int i = 0; i < GraphPlotter.uCombinedList.length; i++) {
String tempString = "images//UsersProfilePics//" + GraphPlotter.uCombinedList[i] + ".jpg";
try {
Icon icon = new ImageIcon(tempString);
iconsMap.put(GraphPlotter.uCombinedList[i], icon);
} catch (Exception ex) {
System.out.println("Error: Problem in creating a Hash-Map for Icons");
}
}
// Creating a transformer for Painting Nodes
@SuppressWarnings("unused")
Transformer<String, Paint> NodePaint =
new Transformer<String, Paint>() {
public Paint transform(String i) {
return Color.GREEN;
}
};
// Creating local Icon Transformer
final myVertexIconTransformer<String> vertexIconTransformer =
new myVertexIconTransformer<String>();
// Setting Hash-Map for Icon on Transformer
vertexIconTransformer.setIconMap(iconsMap);
// A tool-tip Transformer, this will display tweets text on mouse-over.
visualizer.setVertexToolTipTransformer(new ToolTipView());
// Setting Visualizer's Renderer properties
visualizer.getRenderContext().setVertexIconTransformer(vertexIconTransformer);
// visualizer.getRenderContext().setVertexFillPaintTransformer(NodePaint);
visualizer.getRenderContext().setVertexLabelTransformer(new ToStringLabeller());
visualizer.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller());
// PluggableGraphMouse properties
PluggableGraphMouse graphMouse = new PluggableGraphMouse();
graphMouse.add(new PickingGraphMousePlugin()); // Picking Mode is active
graphMouse.add(new RotatingGraphMousePlugin()); // Rotating Graph mode is active
graphMouse.add(new ShearingGraphMousePlugin()); // shearing Graph mode is active
graphMouse.add(new LabelEditingGraphMousePlugin()); // Label Editing mode is active
graphMouse.add(
new TranslatingGraphMousePlugin(
MouseEvent.BUTTON1_MASK)); // Translating Graph mode is active
graphMouse.add(
new ScalingGraphMousePlugin(
new CrossoverScalingControl(), 0, 1.1f, 0.9f)); // Scaling Graph mode is active.
// Setting GraphMouse on Visualizer
visualizer.setGraphMouse(graphMouse);
// Creating a JFrame to hold the Visualizer
JFrame frame = new JFrame("Social Network Visualizer");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(visualizer);
frame.pack();
frame.setVisible(true);
}
@Override
public void labelEdge(RenderContext<V, E> rc, Layout<V, E> layout, E e, String label) {
if (label == null || label.length() == 0) {
return;
}
Graph<V, E> graph = layout.getGraph();
// don't draw edge if either incident vertex is not drawn
Pair<V> endpoints = graph.getEndpoints(e);
V v1 = endpoints.getFirst();
V v2 = endpoints.getSecond();
if (!rc.getVertexIncludePredicate().evaluate(Context.<Graph<V, E>, V>getInstance(graph, v1))
|| !rc.getVertexIncludePredicate()
.evaluate(Context.<Graph<V, E>, V>getInstance(graph, v2))) {
return;
}
Point2D p1 = layout.transform(v1);
Point2D p2 = layout.transform(v2);
p1 = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p1);
p2 = rc.getMultiLayerTransformer().transform(Layer.LAYOUT, p2);
float x1 = (float) p1.getX();
float y1 = (float) p1.getY();
float x2 = (float) p2.getX();
float y2 = (float) p2.getY();
GraphicsDecorator g = rc.getGraphicsContext();
float distX = x2 - x1;
float distY = y2 - y1;
double totalLength = Math.sqrt(distX * distX + distY * distY);
double closeness =
rc.getEdgeLabelClosenessTransformer()
.transform(Context.<Graph<V, E>, E>getInstance(graph, e))
.doubleValue();
int posX = (int) (x1 + (closeness) * distX);
int posY = (int) (y1 + (closeness) * distY);
int xDisplacement = 0;
int yDisplacement = 0;
/*
* BUG 1: change X and Y in distXXX xDisplacement = (int) (rc.getLabelOffset() * (distY /
* totalLength)); yDisplacement = (int) (rc.getLabelOffset() * (-distX / totalLength));
*/
xDisplacement = (int) (rc.getLabelOffset() * (distX / totalLength));
yDisplacement = (int) (rc.getLabelOffset() * (-distY / totalLength));
// BUG 2
/*
* Component component = prepareRenderer(rc, rc.getEdgeLabelRenderer(), label,
* rc.getPickedEdgeState().isPicked(e), e); Dimension d = component.getPreferredSize();
* Shape edgeShape = rc.getEdgeShapeTransformer().transform(Context.<Graph<V, E>, E>
* getInstance(graph, e)); double parallelOffset = 1;
*
* parallelOffset -= rc.getParallelEdgeIndexFunction().getIndex(graph, e);
*
* if (edgeShape instanceof Ellipse2D) { parallelOffset +=
* edgeShape.getBounds().getHeight(); parallelOffset = -parallelOffset; }
*
* parallelOffset *= d.height;
*/
AffineTransform old = g.getTransform();
AffineTransform xform = new AffineTransform(old);
xform.translate(posX + xDisplacement, posY + yDisplacement);
// BUG 3
/*
* double dx = x2 - x1; double dy = y2 - y1; if
* (rc.getEdgeLabelRenderer().isRotateEdgeLabels()) { double theta = Math.atan2(dy, dx); if
* (dx < 0) { theta += Math.PI; } xform.rotate(theta); } if (dx < 0) { parallelOffset =
* -parallelOffset; }
*/
double parallelOffset = 0.0d;
Component component =
prepareRenderer(
rc, rc.getEdgeLabelRenderer(), label, rc.getPickedEdgeState().isPicked(e), e);
Dimension d = component.getPreferredSize();
xform.translate(-d.width / 2.0d, -(d.height / 2.0d - parallelOffset));
g.setTransform(xform);
g.draw(component, rc.getRendererPane(), 0, 0, d.width, d.height, true);
g.setTransform(old);
}
public static void main(String[] args) {
File tweetFile;
if (args.length > 0) {
tweetFile = new File(args[0]);
} else {
tweetFile =
new File(
"C:\\Users\\IBM_ADMIN\\Desktop\\Twitter\\TwitterDataAnalytics\\TwitterDataAnalytics\\owssad.json");
}
DirectedGraph<UserNode, RetweetEdge> retweetGraph =
TweetFileToGraph.getRetweetNetwork(tweetFile);
/*
* Converts a node to its string representation
*/
Transformer<UserNode, String> stringer =
new Transformer<UserNode, String>() {
public String transform(UserNode n) {
return n.toString();
}
};
/*
* Calculate the centrality
*/
// calculate the betweenness centrality
// final InDegreeScorer<UserNode> centralityScore = new InDegreeScorer<UserNode>(retweetGraph);
// final BetweennessCentrality<UserNode, RetweetEdge> centralityScore = new
// BetweennessCentrality<UserNode, RetweetEdge>(retweetGraph);
// final PageRank<UserNode, RetweetEdge> centralityScore = new PageRank<UserNode,
// RetweetEdge>(retweetGraph, 0.85);
final EigenvectorCentrality<UserNode, RetweetEdge> centralityScore =
new EigenvectorCentrality<UserNode, RetweetEdge>(retweetGraph);
centralityScore.evaluate();
double centralityMax = 0.0f;
for (UserNode node : retweetGraph.getVertices()) {
centralityMax = Math.max(centralityMax, centralityScore.getVertexScore(node));
}
final double centralityMaxFinal = centralityMax;
/*
* Sizes a node by some centrality measure
*/
Transformer<UserNode, Shape> shaper =
new Transformer<UserNode, Shape>() {
public Shape transform(UserNode n) {
System.out.println(
"User: "******" Cent: "
+ centralityScore.getVertexScore(n)
+ " Max: "
+ centralityMaxFinal);
double radius = 50 * (centralityScore.getVertexScore(n)) / centralityMaxFinal;
radius = Math.max(radius, 5.0f);
float fRadius = (float) radius;
return new Ellipse2D.Float(-fRadius / 2, -fRadius / 2, fRadius, fRadius);
}
};
Layout<UserNode, RetweetEdge> layout = new KKLayout<UserNode, RetweetEdge>(retweetGraph);
layout.setSize(new Dimension(500, 500));
BasicVisualizationServer<UserNode, RetweetEdge> vv =
new BasicVisualizationServer<UserNode, RetweetEdge>(layout);
vv.setPreferredSize(new Dimension(550, 550));
vv.getRenderContext().setVertexLabelTransformer(stringer);
vv.getRenderContext().setVertexShapeTransformer(shaper);
JFrame jframe = new JFrame("Simple Graph View");
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jframe.getContentPane().add(vv);
jframe.pack();
jframe.setVisible(true);
}
@SuppressWarnings({"unchecked", "rawtypes"})
public static void main(String[] args) {
final EditingGraphViewer sgv = new EditingGraphViewer();
// Layout<V, E>, VisualizationViewer<V,E>
final Layout<Integer, String> layout = new StaticLayout<Integer, String>(g);
layout.setSize(new Dimension(300, 300));
final VisualizationViewer<Integer, String> vv =
new VisualizationViewer<Integer, String>(layout);
vv.setBackground(Color.white);
vv.setPreferredSize(new Dimension(350, 350));
Transformer<Integer, Paint> vertexPaint =
new Transformer<Integer, Paint>() {
public Paint transform(Integer i) {
return (Paint) Color.WHITE;
}
};
vv.getRenderContext()
.setVertexFillPaintTransformer((Transformer<Integer, java.awt.Paint>) vertexPaint);
// Show vertex and edge labels
vv.getRenderContext().setVertexLabelTransformer(new ToStringLabeller<Integer>());
vv.getRenderContext().setEdgeLabelTransformer(new ToStringLabeller<String>());
// Create a graph mouse and add it to the visualization viewer
// Our Vertices are going to be Integer objects so we need an Integer factory
EditingModalGraphMouse gm =
new EditingModalGraphMouse(vv.getRenderContext(), sgv.vertexFactory, sgv.edgeFactory);
vv.setGraphMouse(gm);
JFrame frame = new JFrame("Editing Graph");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(vv);
// ===========================================================================
// Menu for changing mouse modes
JMenuBar menuBar = new JMenuBar();
JMenu modeMenu = gm.getModeMenu();
modeMenu.setText("Mode");
modeMenu.setIcon(null);
modeMenu.setPreferredSize(new Dimension(80, 20));
menuBar.add(modeMenu);
// ---------------------------------------------------------------------------
// Menu Item to compute Centrality Measures
JMenu centrality = new JMenu("Centrality");
JMenuItem execB = new JMenuItem("Betweenness C.");
execB.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Betweenness.compute(g);
}
});
centrality.add(execB);
JMenuItem execC = new JMenuItem("Closeness C");
execC.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Closeness.compute(g);
}
});
centrality.add(execC);
menuBar.add(centrality);
// ---------------------------------------------------------------------------
// Menu Item to change Vertices Color
colorArray.add(2);
JMenu selColor = new JMenu("NodeColor");
JMenuItem selBlack = new JMenuItem("black");
selBlack.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
colorArray.add(1);
int v = g.getVertexCount();
for (int j = 0; j < nodeArray.size(); j++) v = v - nodeArray.get(j);
int vC = g.getVertexCount();
nodeArray.add(v);
SelectColor.choiceColor(1, vv, nodeArray, colorArray, vC);
}
});
selColor.add(selBlack);
JMenuItem selGray = new JMenuItem("gray");
selGray.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
colorArray.add(0);
int v = g.getVertexCount();
for (int j = 0; j < nodeArray.size(); j++) v = v - nodeArray.get(j);
nodeArray.add(v);
int vC = g.getVertexCount();
SelectColor.choiceColor(0, vv, nodeArray, colorArray, vC);
}
});
selColor.add(selGray);
JMenuItem selWhite = new JMenuItem("white");
selWhite.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
colorArray.add(2);
int v = g.getVertexCount();
for (int j = 0; j < nodeArray.size(); j++) v = v - nodeArray.get(j);
nodeArray.add(v);
int vC = g.getVertexCount();
SelectColor.choiceColor(2, vv, nodeArray, colorArray, vC);
}
});
selColor.add(selWhite);
JMenuItem selYellow = new JMenuItem("yellow");
selYellow.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
colorArray.add(3);
int v = g.getVertexCount();
for (int j = 0; j < nodeArray.size(); j++) v = v - nodeArray.get(j);
nodeArray.add(v);
int vC = g.getVertexCount();
SelectColor.choiceColor(3, vv, nodeArray, colorArray, vC);
}
});
selColor.add(selYellow);
menuBar.add(selColor);
// ------------------------------------------------------------------------------------
// MenuItem to save the graph as jpeg ,or eps, or to save code generation graph
JMenu saveImg = new JMenu("Save");
JMenuItem saveJPG = new JMenuItem("Save as jpeg");
saveJPG.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Save.saveJpeg(vv);
}
});
saveImg.add(saveJPG);
JMenuItem saveEPS = new JMenuItem("Save as eps");
saveEPS.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Save.saveEps(vv);
}
});
saveImg.add(saveEPS);
JMenuItem saveCode = new JMenuItem("Save Graph Code");
saveCode.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Save.saveCode(g, colorArray, nodeArray);
}
});
saveImg.add(saveCode);
menuBar.add(saveImg);
// -------------------------------------------------------------------------------------
frame.setJMenuBar(menuBar);
gm.setMode(ModalGraphMouse.Mode.EDITING); // Start off in editing mode
frame.pack();
frame.setVisible(true);
}
public HecataeusNodePolicies(
final VisualizationViewer<VisualNode, VisualEdge> vv, final VisualNode node) {
this.setSize(500, 500);
this.setTitle("Policies for: " + node.getName());
this.setModal(true);
setLocationRelativeTo(vv);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
this.node = node;
this.vv = vv;
// get current graph
Layout<VisualNode, VisualEdge> ll = vv.getGraphLayout();
graph = (VisualGraph) ll.getGraph();
jTabbedPane = new JTabbedPane();
// tab for edit existing policies
view = new JScrollPane();
jTextArea = new JTextArea();
jTextArea.setEditable(false);
view.setViewportView((Component) jTextArea);
jTabbedPane.addTab(" View ", view);
// tab for add policy
add = new JPanel();
jTabbedPane.addTab(" Add ", add);
GridBagLayout gridbag = new GridBagLayout();
HecataeusGridBagConstraints constraints = new HecataeusGridBagConstraints();
add.setLayout(gridbag);
// label for top level node
constraints.reset(0, 0, 1, 1, 0, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelNode = new JLabel("Choose a top level node: ", JLabel.LEFT);
gridbag.setConstraints(labelNode, constraints);
add.add(labelNode);
// combo box for top level node
comboBoxEventNodeParent = new JComboBox();
constraints.reset(1, 0, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.HORIZONTAL;
gridbag.setConstraints(comboBoxEventNodeParent, constraints);
comboBoxEventNodeParent.addItem(null);
// fill comboBox for Node selection
for (VisualNode parentNode : graph.getVertices()) {
if (parentNode.getType().getCategory() == NodeCategory.MODULE) {
comboBoxEventNodeParent.addItem(parentNode);
}
}
// add action listener to fill childcombo
comboBoxEventNodeParent.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// get key for parent node
VisualNode parentNode = (VisualNode) comboBoxEventNodeParent.getSelectedItem();
// reset child combo
comboBoxEventNodeChild.removeAllItems();
if (parentNode != null) {
// get descendant nodes
List<VisualNode> subGraph = graph.getModule(parentNode);
for (VisualNode childNode : subGraph) {
// filter only these nodes that are adjacent to node assigned the policy
// including the node itself
if ((node.equals(childNode))) {
comboBoxEventNodeChild.addItem(childNode);
} else {
for (VisualEdge outEdge : node.getOutEdges()) {
if ((node.equals(childNode)) || (outEdge.getToNode().equals(childNode)))
comboBoxEventNodeChild.addItem(childNode);
}
}
}
}
}
});
add.add(comboBoxEventNodeParent);
// label for low level node
constraints.reset(0, 1, 1, 1, 0, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
labelNode = new JLabel("Set the event node: ", JLabel.LEFT);
gridbag.setConstraints(labelNode, constraints);
add.add(labelNode);
// combo box for low level node
constraints.reset(1, 1, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.HORIZONTAL;
comboBoxEventNodeChild = new JComboBox();
gridbag.setConstraints(comboBoxEventNodeChild, constraints);
// add action listener to fill event types
comboBoxEventNodeChild.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
VisualNode eventNode = (VisualNode) comboBoxEventNodeChild.getSelectedItem();
// reset event combo
comboBoxEventType.removeAllItems();
if (eventNode != null) {
// fill appropriate event types
for (EventType eventType : EventType.values(eventNode.getType())) {
comboBoxEventType.addItem(eventType);
}
}
}
});
add.add(comboBoxEventNodeChild);
// label for event type
constraints.reset(0, 2, 1, 1, 0, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelEventType = new JLabel("Set the event type: ", JLabel.LEFT);
gridbag.setConstraints(labelEventType, constraints);
add.add(labelEventType);
// combo box fox event type
constraints.reset(1, 2, 1, 1, 90, 0);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
comboBoxEventType = new JComboBox();
gridbag.setConstraints(comboBoxEventType, constraints);
add.add(comboBoxEventType);
// label for policy type
constraints.reset(0, 3, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelPolicyType = new JLabel("Set the policy type: ", JLabel.LEFT);
gridbag.setConstraints(labelPolicyType, constraints);
add.add(labelPolicyType);
// combo box for policy type
constraints.reset(1, 3, 1, 1, 0, 0);
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.anchor = GridBagConstraints.WEST;
comboBoxPolicyType = new JComboBox();
gridbag.setConstraints(comboBoxPolicyType, constraints);
add.add(comboBoxPolicyType);
// OK button
constraints.reset(0, 4, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
okAddButton = new JButton("Add Policy");
gridbag.setConstraints(okAddButton, constraints);
add.add(okAddButton);
okAddButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// get informations from comboBoxes
// get event type
EventType eventType = (EventType) comboBoxEventType.getSelectedItem();
// get policy type
PolicyType policyType = (PolicyType) comboBoxPolicyType.getSelectedItem();
// get event node
VisualNode eventNode = (VisualNode) comboBoxEventNodeChild.getSelectedItem();
if (eventNode != null) {
// create and add selected policy
EvolutionPolicy<VisualNode> newPolicy =
new EvolutionPolicy<VisualNode>(eventType, policyType);
EvolutionPolicies policies = node.getPolicies();
if (policies.get(eventType) != null) {
if (JOptionPane.showConfirmDialog(
null,
"This policy already exists! Do you want to replace it?",
"Warning Message",
JOptionPane.YES_NO_OPTION)
== JOptionPane.YES_OPTION) {
node.addPolicy(newPolicy);
}
} else {
node.addPolicy(newPolicy);
}
vv.repaint();
initialize();
}
} // end actionPerformed
}); // end actionListener
// Cancel button
constraints.reset(1, 4, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.CENTER;
JButton cancelAddButton = new JButton("Cancel");
gridbag.setConstraints(cancelAddButton, constraints);
cancelAddButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
}
});
add.add(cancelAddButton);
// tab for remove policy
remove = new JPanel();
jTabbedPane.addTab(" Remove ", remove);
remove.setLayout(gridbag);
// label for remove policy
constraints.reset(0, 0, 1, 1, 10, 40);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.EAST;
JLabel labelPolicy = new JLabel("Choose policy to remove: ", JLabel.LEFT);
gridbag.setConstraints(labelPolicy, constraints);
remove.add(labelPolicy);
// combo box fox policy
constraints.reset(1, 0, 1, 1, 90, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
comboBoxPolicies = new JComboBox();
gridbag.setConstraints(comboBoxPolicies, constraints);
remove.add(comboBoxPolicies);
// OK button
constraints.reset(0, 2, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.WEST;
okRemoveButton = new JButton("Remove policy");
gridbag.setConstraints(okRemoveButton, constraints);
remove.add(okRemoveButton);
okRemoveButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
EvolutionPolicy<VisualNode> policyToRemove =
(EvolutionPolicy<VisualNode>) comboBoxPolicies.getSelectedItem();
// get node
node.removePolicy(policyToRemove);
vv.repaint();
initialize();
}
});
// Cancel button
constraints.reset(1, 2, 2, 1, 0, 20);
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.CENTER;
JButton cancelRemoveButton = new JButton("Cancel");
gridbag.setConstraints(cancelRemoveButton, constraints);
cancelRemoveButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
}
});
remove.add(cancelRemoveButton);
initialize();
setContentPane(jTabbedPane);
setVisible(true);
} // end constructor
/**
* This method implements the building of the chosen layout with chosen parameters
*
* @return The built layout
* @throws BadLayoutException If the chosen layout doesn't exist (invalid code was provided)
*/
public Layout<NodeDescriptor, EdgeDescriptor> build() throws BadLayoutException {
Layout<NodeDescriptor, EdgeDescriptor> layout;
String layoutCode = layoutEntry.getCode();
if (layoutCode.equals(Layouts.LAYOUT_ISOM.getCode())) {
layout = new TitaniumISOMLayout<NodeDescriptor, EdgeDescriptor>(g);
((TitaniumISOMLayout<NodeDescriptor, EdgeDescriptor>) layout)
.setMaxIterations(
Activator.getDefault()
.getPreferenceStore()
.getInt(PreferenceConstants.NO_ITERATIONS));
} else if (layoutCode.equals(Layouts.LAYOUT_KK.getCode())) {
layout = new KKLayout<NodeDescriptor, EdgeDescriptor>(g);
((KKLayout<NodeDescriptor, EdgeDescriptor>) layout)
.setMaxIterations(
Activator.getDefault()
.getPreferenceStore()
.getInt(PreferenceConstants.NO_ITERATIONS));
} else if (layoutCode.equals(Layouts.LAYOUT_FR.getCode())) {
layout = new FRLayout<NodeDescriptor, EdgeDescriptor>(g);
((FRLayout<NodeDescriptor, EdgeDescriptor>) layout).setAttractionMultiplier(0.6);
((FRLayout<NodeDescriptor, EdgeDescriptor>) layout).setRepulsionMultiplier(0.8);
((FRLayout<NodeDescriptor, EdgeDescriptor>) layout)
.setMaxIterations(
Activator.getDefault()
.getPreferenceStore()
.getInt(PreferenceConstants.NO_ITERATIONS));
} else if (layoutCode.equals(Layouts.LAYOUT_SPRING.getCode())) {
layout = new SpringLayout<NodeDescriptor, EdgeDescriptor>(g);
} else if (layoutCode.equals(Layouts.LAYOUT_CIRCLE.getCode())) {
layout = new CircleLayout<NodeDescriptor, EdgeDescriptor>(g);
} else if (layoutCode.equals(Layouts.LAYOUT_RTDAG.getCode())) {
layout = new ReverseDAGLayout<NodeDescriptor, EdgeDescriptor>(g, size);
} else if (layoutCode.equals(Layouts.LAYOUT_TDAG.getCode())) {
layout = new TitaniumDAGLayout<NodeDescriptor, EdgeDescriptor>(g, size);
} else if (layoutCode.equals(Layouts.METRIC_LAYOUT_CODE)) {
if (!(layoutEntry instanceof MetricsLayoutEntry)) {
throw new IllegalStateException("A metric must be chosen before using metric layout!");
}
layout =
new MetricLayout<EdgeDescriptor>(g, size, ((MetricsLayoutEntry) layoutEntry).getMetric());
} else if (layoutCode.equals(Layouts.S_LAYOUT_CLUSTER)) {
if (clusters == null) {
throw new IllegalStateException("A clustering must be set before using cluster layout!");
}
ClusterTransformer trf =
new ClusterTransformer(new FRLayout<NodeDescriptor, EdgeDescriptor>(g), clusters, size);
layout = new StaticLayout<NodeDescriptor, EdgeDescriptor>(g, trf);
} else if ("STATIC".equals(layoutCode)) {
if (pointTransformer == null) {
throw new IllegalStateException(
"A point transformer must be set before using static layout!");
}
layout = new StaticLayout<NodeDescriptor, EdgeDescriptor>(g, pointTransformer);
} else {
throw new BadLayoutException(
"There is no such layout! (Layout=" + layoutCode + ")", ErrorType.NOT_EXISITING_LAYOUT);
}
layout.setSize(size);
return layout;
}
/**
* Sets a new Layout for the graph.
*
* @param layout The Layout instance to use for the new Graph Layout.
*/
public void setGraphLayout(Layout<V, E> layout) {
super.setGraphLayout(layout);
layout.initialize();
this.graph = (UndirectedSparseGraph<V, E>) this.getGraphLayout().getGraph();
}
