/**
* Returns the name of a block to use for element rendering
*
* If a name was not explicitly set via setElementBlock(), it tries
* the names '{prefix}_{element type}' and '{prefix}_{element}', where
* prefix is either 'qf' or the name of the current group's block
*
* @param HTML_QuickForm_element form element being rendered
* @access private
* @return string block name
*/
function _matchBlock(&$element)
{
$name = $element->getName();
$type = $element->getType();
if (isset($this->_elementBlocks[$name]) && $this->_tpl->blockExists($this->_elementBlocks[$name])) {
if (('group' == $type) || ($this->_elementBlocks[$name] . '_loop' != $this->_tpl->currentBlock)) {
return $this->_elementBlocks[$name];
}
}
if ('group' != $type && 'qf_main_loop' != $this->_tpl->currentBlock) {
$prefix = substr($this->_tpl->currentBlock, 0, -5); // omit '_loop' postfix
} else {
$prefix = 'qf';
}
if ($this->_tpl->blockExists($prefix . '_' . $type)) {
return $prefix . '_' . $type;
} elseif ($this->_tpl->blockExists($prefix . '_' . $name)) {
return $prefix . '_' . $name;
} else {
return $prefix . '_element';
}
}
