javax.media.j3d

Interface GraphStructureChangeListener

public interface GraphStructureChangeListener

Listener interface for monitoring structural changes to live scene graphs. BranchGroup additions, removals and moves are reported.

Since:

Java 3D 1.4

See Also:

VirtualUniverse.addGraphStructureChangeListener(javax.media.j3d.GraphStructureChangeListener)

Method Summary

Methods

Modifier and Type	Method and Description
void	branchGroupAdded(Object parent, BranchGroup child) Invoked when a branch group is added.
void	branchGroupMoved(Object oldParent, Object newParent, BranchGroup child) Invoked when a branch group is moved.
void	branchGroupRemoved(Object parent, BranchGroup child) Invoked when a branch group is removed.

Method Detail

branchGroupAdded

void branchGroupAdded(Object parent,
                    BranchGroup child)

Invoked when a branch group is added. Called just before the child is added to the parent. Parent can be either a BranchGroup or a Locale.

Parameters:

parent - the parent of the child being added

child - the child being added

branchGroupRemoved

void branchGroupRemoved(Object parent,
                      BranchGroup child)

Invoked when a branch group is removed. Called just after the child has been removed from the parent. Parent can be either a BranchGroup or a Locale.

Parameters:

parent - the parent of the child being added

child - the child being added

branchGroupMoved

void branchGroupMoved(Object oldParent,
                    Object newParent,
                    BranchGroup child)

Invoked when a branch group is moved. Called after a child has been moved to it's new parent. This call differs from the other methods in that the child is live when this method is called.

Parameters:

oldParent - the original parent of the child being moved

newParent - the new parent of the child being moved

child - the child being moved