Examples of javax.media.j3d.SceneGraphObject

javax.media.j3d.SceneGraphObject
SceneGraphObject is the common superclass for all scene graph objects. Scene graph objects are classified into two main types: nodes and node components. The Node object is the common superclass of all nodes, which includes TransformGroup, Shape3D, etc. The NodeComponent object is the common superclass of all node components, which includes Geometry, Appearance, etc.
All scene graph objects have a name, a user data object, a set of capability bits, and a set of capabilityIsFrequent bits.
Capability bits control whether a particular attribute in a node or node component is readable or writable. For live or compiled scene graphs, only those attributes whose capabilities are set before the scene graph is compiled or made live may be read or written. The default value for all read capability bits is true, meaning that all attributes may be read by default. The default value for all write capability bits is false, meaning that no attributes may be written by default. Read capability bits are defined as those capability bits of the form ALLOW_*_READ, plus the ALLOW_INTERSECT capability bit. Write capability bits are defined as those capability bits of the form ALLOW_*_WRITE, plus the ALLOW_CHILDREN_EXTEND and ALLOW_DETACH capability bits.
NOTE that the ENABLE_COLLISION_REPORTING and ENABLE_PICK_REPORTING bits are not really capability bits, although they are set with the setCapability method. The default value for each of the ENABLE_*_REPORTING bits is false.
For more information, see the Introduction to the Java 3D API.

        return tp;
    }
    
    private void _createChildren(ArrayList<AbstractNode> tpn, Stack<SceneGraphObject> sgos){
        
        SceneGraphObject sg=sgos.pop();
    
        AbstractNode an=tpn.get(tpn.size()-1);
        Enumeration<?> children=an.children();
        AbstractNode cn=null;
        while(children.hasMoreElements()){

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    public void paste(boolean deepClone){
        ArrayList<SceneGraphTreeNode> v=getTree().getClipBoard().get();
        CompoundEdit compoundEdit = new CompoundEdit();
        for(SceneGraphTreeNode o: v){
            SceneGraphTreeNode cn=o.cloneNode(deepClone, this);
            SceneGraphObject replaced=addSceneGraphObject((SceneGraphObject)cn.getGraphObject());
            compoundEdit.addEdit(new AddEdit(this,
                    (SceneGraphObject)cn.getGraphObject(),
                    replaced));
        }
        compoundEdit.end();

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     * @param parent used to create a new tree node according to the cloned
     * scene graph object
     * @return a clone of the tree node with a clone of the scene graph object in
     */
    public SceneGraphTreeNode cloneNode(boolean deepClone, AbstractNode parent){
        SceneGraphObject o=(SceneGraphObject)getGraphObject();
        Node n=getSceneGraphNode();
        AttachDetach ad=null;
        if(n!=null && n.isLive()){
            ad=new AttachDetach(n);
            ad.detach();

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            else{
                if(_resourceKey.equals("paste")){
                    setEnabled(((SceneGraphTreeNode)getNode()).canPaste());
                }
                else if(_resourceKey.equals("copy")){
                    SceneGraphObject o=(SceneGraphObject)getNode().getGraphObject();
                    if((o instanceof Node)||(o instanceof NodeComponent)){
                        setEnabled(true);
                    }
                    else{
                        setEnabled(false);

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     */
    public void addGraphObject(SceneGraphObject obj, Node owner, AttachDetach ad) {
        int[] cap = getCapabilities();
        boolean capChange = false;
        ArrayList<Integer> olds = new ArrayList<Integer>();
        SceneGraphObject co=getCapableObject(obj);
        for (int i : cap) {
            if (!co.getCapability(i)) {
                // there is need to change
                capChange = true;
                olds.add(new Integer(i));
            }
        }
        if (capChange) {
            boolean detached=false;
            if (ad != null && ad.getNode().isLive()) {
                ad.detach();
                detached=true;
            }
            for (int i : cap) {
                co.setCapability(i);
            }
            if (detached) {
                ad.attach();
            }
            _oldCapabilities.put(co, olds);

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    /**
     * Remove a graph object to stop applying these data changes on
     */
    public void removeGraphObject(GraphObjectReference gnr, AttachDetach ad) {
        _references.remove(gnr);
        SceneGraphObject co=getCapableObject(gnr.getObject());
        ArrayList<Integer> olds = _oldCapabilities.get(co);
        if (olds != null) {
            boolean detached=false;
            if (ad != null && ad.getNode().isLive()) {
                ad.detach();
                detached=true;
            }
            for (Integer i : olds) {
                co.clearCapability(i);
            }
            if (detached) {
                ad.attach();
            }
            _oldCapabilities.put(co, olds);

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/* 188 */     return createState(symbol);
/*     */   }
/*     */ 
/*     */   public SceneGraphObjectState createState(SymbolTableData symbol)
/*     */   {
/* 196 */     SceneGraphObject obj = symbol.getJ3dNode();
/* 197 */     if (obj == null) return this.nullObject; 
/*     */ String name = obj.getClass().getName();
/*     */     SceneGraphObjectState ret;
/*     */     try
/*     */     {
/* 203 */       Class state = Class.forName("com.sun.j3d.utils.scenegraph.io.state." + name + "State", true, this.classLoader);
/* 204 */       ret = constructStateObj(symbol, state, obj.getClass());
/*     */     } catch (ClassNotFoundException e) {
/* 206 */       ret = checkSuperClasses(symbol);
/* 207 */       if (!(obj instanceof SceneGraphIO))
/* 208 */         System.out.println("Could not find com.sun.j3d.utils.scenegraph.io.state." + name + "State, using superclass " + ret.getClass().getName());
/* 209 */       if (ret == null) {
/* 210 */         throw new SGIORuntimeException("No State class for " + obj.getClass().getName());
/*     */       }
/*     */     }
/*     */ 
/* 214 */     symbol.nodeState = ret;
/*     */

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/*     */ 
/* 142 */     String[] names = getNames();
/* 143 */     out.writeInt(names.length);
/* 144 */     for (int i = 0; i < names.length; i++) {
/* 145 */       out.writeUTF(names[i]);
/* 146 */       SceneGraphObject node = (SceneGraphObject)this.namedObjects.get(names[i]);
/* 147 */       SymbolTableData symbol = getSymbol(node);
/* 148 */       if (symbol != null)
/* 149 */         out.writeInt(symbol.nodeID);
/*     */       else {
/* 151 */         out.writeInt(0);

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/* 56 */     super(symbol, control);
/*    */   }
/*    */ 
/*    */   protected SceneGraphObject createNode(String className)
/*    */   {
/*    */     SceneGraphObject ret;
/*    */     try {
/* 63 */       ret = super.createNode(className);
/*    */     } catch (SGIORuntimeException e) {
/* 65 */       ret = new UnresolvedBehavior();
/*    */     }

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/* 261 */     throw new SGIORuntimeException("createNode() not implemented in class " + getClass().getName());
/*     */   }
/*     */ 
/*     */   protected SceneGraphObject createNode(Class state)
/*     */   {
/*     */     SceneGraphObject ret;
/*     */     try
/*     */     {
/* 275 */       ret = (SceneGraphObject)state.newInstance();
/*     */     }
/*     */     catch (IllegalAccessException exce)

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