/**
* Copies all NodeComponent information from <code>originalNode</code> into the current node. This
* method is called from the <code>cloneNode</code> method which is, in turn, called by the <code>
* cloneTree</code> method.
*
* <p>
*
* @param originalNode the original node to duplicate.
* @param forceDuplicate when set to <code>true</code>, causes the <code>duplicateOnCloneTree
* </code> flag to be ignored. When <code>false</code>, the value of each node's <code>
* duplicateOnCloneTree</code> variable determines whether NodeComponent data is duplicated or
* copied.
* @see Group#cloneNode
* @see Node#duplicateNode
* @see Node#cloneTree
* @see NodeComponent#setDuplicateOnCloneTree
*/
void duplicateAttributes(NodeComponent originalNode, boolean forceDuplicate) {
if (forceDuplicate && originalNode.isCompiled()) {
throw new RestrictedAccessException(J3dI18N.getString("NodeComponent1"));
}
super.duplicateSceneGraphObject(originalNode);
setDuplicateOnCloneTree(originalNode.getDuplicateOnCloneTree());
}
/**
* Copies all node information from <code>originalNodeComponent</code> into the current node. This
* method is called from the <code>cloneNodeComponent</code> method which is, in turn, called by
* the <code>cloneNode</code> method. <br>
* NOTE: Applications should <i>not</i> call this method directly. It should only be called by the
* cloneNode method.
*
* @param originalNodeComponent the node to duplicate.
* @param forceDuplicate when set to <code>true</code>, causes the <code>duplicateOnCloneTree
* </code> flag to be ignored. When <code>false</code>, the value of each node's <code>
* duplicateOnCloneTree</code> variable determines whether NodeComponent data is duplicated or
* copied.
* @exception RestrictedAccessException if forceDuplicate is set and this object is part of a
* compiled scenegraph
* @see NodeComponent#cloneNodeComponent
* @see Node#cloneNode
* @see Node#cloneTree
* @since Java 3D 1.2
*/
public void duplicateNodeComponent(NodeComponent originalNodeComponent, boolean forceDuplicate) {
originalNodeComponent.forceDuplicate = forceDuplicate;
try {
duplicateNodeComponent(originalNodeComponent);
} catch (RuntimeException e) {
originalNodeComponent.forceDuplicate = false;
throw e;
}
originalNodeComponent.forceDuplicate = false;
}
/**
* Copies all node information from <code>originalNodeComponent</code> into the current node
* component. This method is called from subclass of <code>duplicateNodeComponent</code> method
* which is, in turn, called by the <code>cloneNodeComponent</code> method.
*
* <p>For any <i>NodeComponent</i> objects contained by the object being duplicated, each
* <i>NodeComponent</i> object's <code>duplicateOnCloneTree</code> value is used to determine
* whether the <i>NodeComponent<i> should be duplicated in the new node or if just a reference to
* the current node should be placed in the new node. This flag can be overridden by setting the
* <code>forceDuplicate</code> parameter in the <code>cloneTree</code> method to <code>true</code>
* .
*
* @param originalNodeComponent the original node component to duplicate.
*/
final void checkDuplicateNodeComponent(NodeComponent originalNodeComponent) {
if (originalNodeComponent.nodeHashtable != null) {
duplicateAttributes(originalNodeComponent, originalNodeComponent.forceDuplicate);
} else {
// user call cloneNodeComponent() or duplicateNodeComponent()
// directly instead of via cloneTree()
originalNodeComponent.nodeHashtable = new Hashtable();
duplicateAttributes(originalNodeComponent, originalNodeComponent.forceDuplicate);
originalNodeComponent.nodeHashtable = null;
}
}
