Test for GraphStructureChangeListener

2 files changed, 290 insertions, 0 deletions

diff --git a/src/SgChangerListener/ListenerTest.java b/src/SgChangerListener/ListenerTest.java
new file mode 100644
index 0000000..740ec74
--- /dev/null
+++ b/src/SgChangerListener/ListenerTest.java
@@ -0,0 +1,221 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any
+ * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
+ * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
+ * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
+ * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
+ * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
+ * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
+ * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
+ * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+import java.applet.Applet;
+import java.awt.BorderLayout;
+import java.awt.GraphicsConfiguration;
+import com.sun.j3d.utils.applet.MainFrame;
+import com.sun.j3d.utils.geometry.ColorCube;
+import com.sun.j3d.utils.geometry.Sphere;
+import com.sun.j3d.utils.universe.*;
+import java.util.Enumeration;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+
+public class ListenerTest extends Applet {
+
+    private SimpleUniverse u = null;
+    private ChangeListener changeListener;
+    private BranchGroup scene;
+    
+    public BranchGroup createSceneGraph() {
+	// Create the root of the branch graph
+	BranchGroup objRoot = new BranchGroup();
+        objRoot.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);
+        objRoot.setCapability(BranchGroup.ALLOW_CHILDREN_READ);
+        objRoot.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE);
+        objRoot.setCapability(BranchGroup.ALLOW_DETACH);
+
+	// Create the TransformGroup node and initialize it to the
+	// identity. Enable the TRANSFORM_WRITE capability so that
+	// our behavior code can modify it at run time. Add it to
+	// the root of the subgraph.
+	TransformGroup objTrans = new TransformGroup();
+	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+	objRoot.addChild(objTrans);
+
+	// Create a simple Shape3D node; add it to the scene graph.
+	objTrans.addChild(new ColorCube(0.1));
+
+	// Create a new Behavior object that will perform the
+	// desired operation on the specified transform and add
+	// it into the scene graph.
+	Transform3D yAxis = new Transform3D();
+	Alpha rotationAlpha = new Alpha(-1, 4000);
+
+	RotationInterpolator rotator =
+	    new RotationInterpolator(rotationAlpha, objTrans, yAxis,
+				     0.0f, (float) Math.PI*2.0f);
+	BoundingSphere bounds =
+	    new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+	rotator.setSchedulingBounds(bounds);
+	objRoot.addChild(rotator);
+        
+        objRoot.addChild(new TestBehavior(objRoot));
+
+	return objRoot;
+    }
+
+    public ListenerTest() {
+    }
+
+    public void init() {
+	setLayout(new BorderLayout());
+        GraphicsConfiguration config =
+           SimpleUniverse.getPreferredConfiguration();
+
+	Canvas3D c = new Canvas3D(config);
+	add("Center", c);
+
+	// Create a simple scene and attach it to the virtual universe
+        scene = createSceneGraph();
+        scene.setName("scene");
+	u = new SimpleUniverse(c);
+        changeListener = new ChangeListener();
+        u.addGraphStructureChangeListener(changeListener);
+
+        // This will move the ViewPlatform back a bit so the
+        // objects in the scene can be viewed.
+        u.getViewingPlatform().setNominalViewingTransform();
+
+	u.addBranchGraph(scene);
+    }
+
+    public void destroy() {
+	u.cleanup();
+    }
+    
+    BranchGroup createShape(Vector3f pos) {
+        Transform3D t3d = new Transform3D();
+        t3d.set(1f,pos);
+        TransformGroup tg = new TransformGroup(t3d);
+        
+        tg.addChild(new Sphere(0.02f));
+        
+        BranchGroup bg = new BranchGroup();
+        bg.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);
+        bg.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE);
+        bg.setCapability(BranchGroup.ALLOW_CHILDREN_READ);
+        bg.setCapability(BranchGroup.ALLOW_DETACH);
+        bg.addChild(tg);
+        return bg;
+    }
+
+    //
+    // The following allows HelloUniverse to be run as an application
+    // as well as an applet
+    //
+    public static void main(String[] args) {
+	new MainFrame(new ListenerTest(), 256, 256);
+    }
+    
+    class TestBehavior extends Behavior {
+        private BranchGroup root;
+        private WakeupCriterion wakeup = new WakeupOnElapsedFrames(0);
+        private int count = 0;
+        private BranchGroup moveTo;
+        private BranchGroup bg1;
+        
+        public TestBehavior(BranchGroup root) {
+            this.root = root;
+            this.setSchedulingBounds(new BoundingSphere(new Point3d(), Double.POSITIVE_INFINITY));
+            
+            moveTo = new BranchGroup();
+            moveTo.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);
+            moveTo.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE);
+            moveTo.setCapability(BranchGroup.ALLOW_CHILDREN_READ);
+            root.addChild(moveTo);
+        }
+        
+        public void initialize() {
+            wakeupOn(wakeup);
+        }
+        
+        public void processStimulus(Enumeration e) {
+            System.out.println("Wakeup");
+            
+            switch(count) {
+                case 0:
+                    bg1=createShape(new Vector3f(0.02f,0f,0f));
+                    bg1.setName("bg1.1");
+                    root.addChild(bg1);
+                    break;
+                case 1:
+                    moveTo.moveTo(bg1);
+                    break;
+                case 2:
+                    bg1=createShape(new Vector3f(0.03f, 0.03f, 0f));
+                    bg1.setName("bg1.2");
+                    moveTo.setChild(bg1,0);
+                    break;
+                case 3:
+                    bg1.detach();
+                    break;
+                case 4:
+                    u.getLocale().removeBranchGraph(scene);
+                    break;
+            }
+                    
+            count++;
+            
+            if(count<5)
+                wakeupOn(wakeup);
+        }
+    }
+    
+    class ChangeListener implements GraphStructureChangeListener {
+        public void branchGroupAdded(Object parent, BranchGroup child) {
+            System.out.println("Add "+parent+"  "+child.getName()+" "+child.isLive());
+        }
+
+        public void branchGroupMoved(Object oldParent, Object newParent, BranchGroup child) {
+            System.out.println("Move "+oldParent+" "+newParent+" "+child.getName()+" "+child.isLive());
+        }
+
+        public void branchGroupRemoved(Object parent, BranchGroup child) {
+            System.out.println("Removed "+parent+" "+child.getName()+" "+child.isLive());
+        }
+        
+    }
+}
diff --git a/src/SgChangerListener/build.xml b/src/SgChangerListener/build.xml
new file mode 100644
index 0000000..47e5a36
--- /dev/null
+++ b/src/SgChangerListener/build.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0"?>
+
+<!--
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any
+ * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
+ * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
+ * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
+ * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
+ * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
+ * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
+ * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
+ * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+ -->
+
+<project basedir="." default="compile">
+    <target name="compile">
+        <javac
+            destdir="." srcdir="."
+            source="1.4" target="1.4"
+	    debug="true" deprecation="true">
+        </javac>
+    </target>
+
+    <target name="all" depends="compile">
+    </target>
+
+    <target description="Clean all build products." name="clean">
+        <delete>
+            <fileset dir=".">
+                <include name="**/*.class"/>
+            </fileset>
+        </delete>
+    </target>
+
+</project>