Source Code for Module nukescripts.drop

 1  # Copyright (c) 2010 The Foundry Visionmongers Ltd.  All Rights Reserved. 
 2   
 3  _gDropDataCallbacks = [] 
 4   
 5 -def addDropDataCallback(callback): 
 6    """Add a function to the list of callbacks. This function will called whenever data is dropped onto the DAG. Override it to perform other actions. 
 7    If you handle the drop, return True, otherwise return None.""" 
 8    _gDropDataCallbacks.append(callback) 
 9   
10 -def dropData(mimeType, text): 
11    """Handle data drops by invoking the list of callback functions until one has 
12       handled the event""" 
13    for callback in reversed(_gDropDataCallbacks): 
14      if callback(mimeType, text) == True: 
15        return True 
16    return None 
17