Finishes the active connection.  If the accept value is \
        true, then the connection requested signal will be emited, \
        otherwise, it will simply clear the active connection \
        data.
        
        :param      accept      <bool>

def finishConnection(self, accept=True):
        """
        Finishes the active connection.  If the accept value is \
        true, then the connection requested signal will be emited, \
        otherwise, it will simply clear the active connection \
        data.
        
        :param      accept      <bool>
        """
        if not self._activeConnection:
            return
        
        # when accepting, emit the connection requested signal
        if accept:
            self.emitConnectionRequested(self._activeConnection)
            
            # emit the slot for the given node dropzone
            if self._activeConnection.customData('__output__'):
                target = self._activeConnection.inputPoint()
                node   = self.nodeAt(target)
            else:
                target = self._activeConnection.outputPoint()
                node   = self.nodeAt(target)
            
            if node:
                npos = node.mapFromScene(target)
                node.triggerDropzoneAt(npos, self._activeConnection)
        
        # remove the connection
        self.removeItem(self._activeConnection)
        self._activeConnection = None