package visad.util;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Arrays;
import java.util.Enumeration;
import javax.media.j3d.Bounds;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.Geometry;
import javax.media.j3d.GeometryArray;
import javax.media.j3d.Group;
import javax.media.j3d.Node;
import javax.media.j3d.OrderedGroup;
import javax.media.j3d.Shape3D;
import javax.media.j3d.Switch;
import javax.media.j3d.Text3D;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.media.j3d.View;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JToggleButton;
import javax.swing.JTree;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeSelectionModel;
import visad.java3d.DisplayRendererJ3D;
public class SceneGraphInspector extends JPanel implements TreeSelectionListener {
/**
*
*/
private static final long serialVersionUID = 1L;
public static void show(DisplayRendererJ3D renderer) {
JFrame frame = new JFrame("VisAD SceneGraph Inspector");
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.add(new SceneGraphInspector(renderer));
frame.setSize(800, 480);
frame.setVisible(true);
}
private static String makeName(Object obj) {
String name = obj.getClass().getSimpleName();
if (obj instanceof Node) {
Node node = (Node) obj;
String nodeName = Util.getName(node);
if (nodeName != null && nodeName.length() > 0) {
name = nodeName;
}
}
else if (obj instanceof String) {
return (String) obj;
}
return name + "@" + obj.hashCode();
}
class MyNode extends DefaultMutableTreeNode {
private static final long serialVersionUID = 1L;
private T node;
public MyNode(T node) {
this.node = node;
}
public T getNode() {
return node;
}
public String getName() {
return makeName(node);
}
public String toString() {
return getName();
}
}
private JTree tree;
private JPanel cards;
public SceneGraphInspector(DisplayRendererJ3D renderer) {
cards = new JPanel();
cards.setLayout(new CardLayout());
MyNode top = new MyNode("ROOT");
View view = renderer.getView();
MyNode viewNode = new MyNode(view);
createViewNodes(viewNode);
top.add(viewNode);
MyNode scene = new MyNode(renderer.getRoot());
createSceneNodes(scene);
top.add(scene);
tree = new JTree(top);
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
tree.addTreeSelectionListener(this);
Dimension minimumSize = new Dimension(300, 200);
JScrollPane treeView = new JScrollPane(tree);
treeView.setMinimumSize(minimumSize);
JSplitPane split = new JSplitPane(
JSplitPane.HORIZONTAL_SPLIT,
treeView,
cards
);
setLayout(new BorderLayout());
add(split, BorderLayout.CENTER);
for (int i = 0; i < tree.getRowCount(); i++) {
tree.expandRow(i);
}
}
private void createViewNodes(MyNode viewNode) {
cards.add(makeViewComponent(viewNode.getNode()), viewNode.getName());
Enumeration canvases = viewNode.getNode().getAllCanvas3Ds();
while (canvases.hasMoreElements()) {
Canvas3D canvas = canvases.nextElement();
MyNode canvasNode = new MyNode(canvas);
viewNode.add(canvasNode);
cards.add(makeCanvasComponent(canvas), canvasNode.getName());
}
}
private void createSceneNodes(MyNode scene) {
Node node = scene.getNode();
cards.add(makeNodeComponent(node), scene.getName());
if (node instanceof Group) {
Group group = (Group) node;
Enumeration children = group.getAllChildren();
while (children.hasMoreElements()) {
MyNode tnode = new MyNode(children.nextElement());
scene.add(tnode);
createSceneNodes(tnode);
}
}
}
private JPanel makeViewComponent(final View view) {
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
panel.add(new JLabel("Class: " + view.getClass().getName()));
panel.add(new JLabel("AntiAliasing: " + view.getSceneAntialiasingEnable()));
int x = view.getViewPolicy();
panel.add(new JLabel("ViewPolicy: " + (x == View.HMD_VIEW ? "HMD_VIEW" : "SCREEN_VIEW")));
String visPolicy = "";
switch (view.getVisibilityPolicy()) {
case View.VISIBILITY_DRAW_ALL:
visPolicy = "VISIBILITY_DRAW_ALL";
break;
case View.VISIBILITY_DRAW_INVISIBLE:
visPolicy = "VISIBILITY_DRAW_INVISIBLE";
break;
case View.VISIBILITY_DRAW_VISIBLE:
visPolicy = "VISIBILITY_DRAW_VISIBLE";
break;
}
panel.add(new JLabel("VisibilityPolicy: " + visPolicy));
panel.add(new JLabel("FrameNumber: " + view.getFrameNumber()));
panel.add(new JLabel("ViewRunning: " + view.isViewRunning()));
panel.add(new JLabel("BehaviorSchedulerRunning: " + view.isBehaviorSchedulerRunning()));
final JButton startView = new JButton("Start View");
startView.setEnabled(!view.isViewRunning());
final JButton stopView = new JButton("Stop View");
startView.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
view.startView();
startView.setEnabled(!view.isViewRunning());
stopView.setEnabled(view.isViewRunning());
}
});
stopView.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
view.stopView();
startView.setEnabled(!view.isViewRunning());
stopView.setEnabled(view.isViewRunning());
}
});
JPanel subPanel = new JPanel();
subPanel.add(startView);
subPanel.add(stopView);
panel.add(subPanel);
final JButton startBehav = new JButton("Start BehaviorScheduler");
startView.setEnabled(!view.isViewRunning());
final JButton stopBehav = new JButton("Stop BehaviorScheduler");
startView.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
view.startBehaviorScheduler();
stopBehav.setEnabled(!view.isViewRunning());
startBehav.setEnabled(view.isViewRunning());
}
});
stopView.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
view.stopBehaviorScheduler();
stopBehav.setEnabled(!view.isViewRunning());
startBehav.setEnabled(view.isViewRunning());
}
});
subPanel = new JPanel();
subPanel.add(startView);
subPanel.add(stopView);
panel.add(subPanel);
return panel;
}
private JPanel makeCanvasComponent(final Canvas3D canvas) {
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
panel.add(new JLabel("Class: " + canvas.getClass().getName()));
panel.add(new JLabel("Name: " + canvas.getName()));
panel.add(new JLabel("DoubleBufferEnabled: " + canvas.getDoubleBufferEnable()));
panel.add(new JLabel("Height: " + canvas.getHeight()));
panel.add(new JLabel("Width: " + canvas.getWidth()));
panel.add(new JLabel("IgnoreRepaint: " + canvas.getIgnoreRepaint()));
panel.add(new JLabel("MousePosition: " + canvas.getMousePosition()));
final JButton startRend = new JButton("Start Renderer");
startRend.setEnabled(!canvas.isRendererRunning());
final JButton stopRend = new JButton("Stop Renderer");
startRend.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
canvas.startRenderer();
startRend.setEnabled(!canvas.isRendererRunning());
stopRend.setEnabled(canvas.isRendererRunning());
}
});
stopRend.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
canvas.stopRenderer();
startRend.setEnabled(!canvas.isRendererRunning());
stopRend.setEnabled(canvas.isRendererRunning());
}
});
JPanel subPanel = new JPanel();
subPanel.add(startRend);
subPanel.add(stopRend);
panel.add(subPanel);
return panel;
}
private JPanel makeNodeComponent(final Node node) {
final Group parent = (Group) node.getParent();
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
panel.add(new JLabel("Name: " + makeName(node)));
panel.add(new JLabel("Class: " + node.getClass().getName()));
panel.add(new JLabel("Live: " + node.isLive()));
panel.add(new JLabel("Compiled: " + node.isCompiled()));
panel.add(new JLabel("UserData: " + node.getUserData()));
panel.add(new JLabel("Pickable: " + node.getPickable()));
panel.add(new JLabel("BoundsAutoCompute: " + node.getBoundsAutoCompute()));
Bounds bounds = node.getBounds();
if (bounds != null) {
panel.add(new JLabel("Bounds.isEmpty: " + bounds.isEmpty()));
}
if (node instanceof Group) {
Group group = (Group) node;
panel.add(new JLabel("NumChildren: " + group.numChildren()));
if ((node instanceof BranchGroup) && parent != null &&
group.getCapability(BranchGroup.ALLOW_DETACH)) {
final JToggleButton button = new JToggleButton("Detach");
button.setSelected(true);
button.addItemListener(new ItemListener(){
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
parent.addChild(node);
button.setText("Detach");
} else if (e.getStateChange() == ItemEvent.DESELECTED) {
((BranchGroup) node).detach();
button.setText("Attach");
}
}
});
panel.add(button);
} else if (node instanceof OrderedGroup) {
OrderedGroup ogroup = (OrderedGroup) node;
panel.add(new JLabel("Order: " + Arrays.toString(ogroup.getChildIndexOrder())));
} else if (node instanceof TransformGroup) {
TransformGroup tgroup = (TransformGroup) node;
Transform3D trans = new Transform3D();
tgroup.getTransform(trans);
panel.add(new JLabel("TransformMatrix: " + trans.toString()));
}
if (node instanceof Switch) {
final Switch swich = (Switch) node;
String[] indexes = new String[swich.numChildren() + 1];
indexes[0] = "None";
for (int i = 1; i < indexes.length; i++) {
indexes[i] = "" + (i - 1);
}
JComboBox comboBox = new JComboBox(indexes);
int selected = swich.getWhichChild();
if (selected == Switch.CHILD_NONE) {
selected = 0;
}
comboBox.setSelectedIndex(swich.getWhichChild() + 1);
comboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JComboBox cBox = (JComboBox) e.getSource();
int selected = cBox.getSelectedIndex();
if (selected == 0) {
selected = Switch.CHILD_NONE;
} else {
selected -= 1;
}
swich.setWhichChild(selected);
}
});
panel.add(comboBox);
}
} else {
if (node instanceof Shape3D) {
Shape3D shape = (Shape3D) node;
Geometry geo = shape.getGeometry();
if (geo != null) {
panel.add(new JLabel("Geometry: " + geo.getClass().getSimpleName()));
if (geo instanceof GeometryArray) {
GeometryArray arr = (GeometryArray) geo;
panel.add(new JLabel("VertexCount: " + arr.getVertexCount()));
} else if (geo instanceof Text3D) {
Text3D txt = (Text3D) geo;
panel.add(new JLabel("String: \"" + txt.getString()+ "\""));
}
}
}
}
return panel;
}
@Override
public void valueChanged(TreeSelectionEvent evt) {
MyNode tnode = (MyNode) evt.getPath().getLastPathComponent();
Object node = tnode.getNode();
CardLayout cl = (CardLayout) cards.getLayout();
cl.show(cards, tnode.getName());
}
}
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