/**
  * Create the html key to be used in the block view
  * @param string $altKey
  * @return string
  */
 protected function _getInputHTMLKey($altKey = '')
 {
     if ($this->_block->getRepeaterId() && $this->_block->getRepeaterRowId()) {
         $inputHMTLKey = 'repeater[' . $this->_block->getRepeaterId() . '][' . $this->_block->getRepeaterRowId() . ']';
     } else {
         $inputHMTLKey = 'block';
     }
     return $inputHMTLKey . '[' . $this->_block->id . ']' . ($altKey ? '[' . $altKey . ']' : '');
 }