/**
* Clones an object only if it hasn't been already cloned. Returns the clone.
*
* @param sourceObj
* @return The clone of the source object.
* @throws Exception
*/
public InDesignComponent cloneIfNew(InDesignObject sourceObj, InDesignComponent targetParent)
throws Exception {
Map<String, InDesignObject> cloneMap = getCloneMapForDoc(sourceObj.getDocument());
if (cloneMap.containsKey(sourceObj.getId())) return cloneMap.get(sourceObj.getId());
InDesignComponent clone = this.clone(sourceObj);
if (targetParent != null) targetParent.addChild(clone);
return clone;
}
