/**
* Generates a set of radio button elements.
*
* @access public
*
* @param string|array $name If a string, the element name. If an
* array, all other parameters are ignored, and the array elements
* are extracted in place of added parameters.
*
* @param mixed $value The radio value to mark as 'checked'.
*
* @param array $options An array of key-value pairs where the array
* key is the radio value, and the array value is the radio text.
*
* @param array|string $attribs Attributes added to each radio.
*
* @return string The radio buttons XHTML.
*/
public function formRadio($name, $value = null, $attribs = null, $options = null, $listsep = "<br />\n")
{
$info = $this->_getInfo($name, $value, $attribs, $options, $listsep);
extract($info);
// name, value, attribs, options, listsep, disable
// retrieve attributes for labels (prefixed with 'label_' or 'label')
$label_attribs = array();
foreach ($attribs as $key => $val) {
$tmp = false;
$keyLen = strlen($key);
if (6 < $keyLen && substr($key, 0, 6) == 'label_') {
$tmp = substr($key, 6);
} elseif (5 < $keyLen && substr($key, 0, 5) == 'label') {
$tmp = substr($key, 5);
}
if ($tmp) {
// make sure first char is lowercase
$tmp[0] = strtolower($tmp[0]);
$label_attribs[$tmp] = $val;
unset($attribs[$key]);
}
}
$labelPlacement = 'append';
foreach ($label_attribs as $key => $val) {
switch (strtolower($key)) {
case 'placement':
unset($label_attribs[$key]);
$val = strtolower($val);
if (in_array($val, array('prepend', 'append'))) {
$labelPlacement = $val;
}
break;
}
}
// the radio button values and labels
$options = (array) $options;
// build the element
$xhtml = '';
$list = array();
// should the name affect an array collection?
$name = $this->view->escape($name);
if ($this->_isArray && '[]' != substr($name, -2)) {
$name .= '[]';
}
// ensure value is an array to allow matching multiple times
$value = (array) $value;
// Set up the filter - Alnum + hyphen + underscore
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Filter/PregReplace.php';
$pattern = @preg_match('/\\pL/u', 'a') ? '/[^\\p{L}\\p{N}\\-\\_]/u' : '/[^a-zA-Z0-9\\-\\_]/';
// No Unicode
$filter = new IfwPsn_Vendor_Zend_Filter_PregReplace($pattern, "");
// add radio buttons to the list.
foreach ($options as $opt_value => $opt_label) {
// Should the label be escaped?
if ($escape) {
$opt_label = $this->view->escape($opt_label);
}
// is it disabled?
$disabled = '';
if (true === $disable) {
$disabled = ' disabled="disabled"';
} elseif (is_array($disable) && in_array($opt_value, $disable)) {
$disabled = ' disabled="disabled"';
}
// is it checked?
$checked = '';
if (in_array($opt_value, $value)) {
$checked = ' checked="checked"';
}
// generate ID
$optId = $id . '-' . $filter->filter($opt_value);
// Wrap the radios in labels
$radio = '<label' . $this->_htmlAttribs($label_attribs) . '>' . ('prepend' == $labelPlacement ? $opt_label : '') . '<input type="' . $this->_inputType . '"' . ' name="' . $name . '"' . ' id="' . $optId . '"' . ' value="' . $this->view->escape($opt_value) . '"' . $checked . $disabled . $this->_htmlAttribs($attribs) . $this->getClosingBracket() . ('append' == $labelPlacement ? $opt_label : '') . '</label>';
// add to the array of radio buttons
$list[] = $radio;
}
// XHTML or HTML for standard list separator?
if (!$this->_isXhtml() && false !== strpos($listsep, '<br />')) {
$listsep = str_replace('<br />', '<br>', $listsep);
}
// done!
$xhtml .= implode($listsep, $list);
return $xhtml;
}
/**
* Do the real work, replaces the seperator to search for with the replacement seperator
*
* Returns the replaced string
*
* @param string $value
* @return string
*/
protected function _separatorToSeparatorFilter($value)
{
if ($this->_searchSeparator == null) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Filter/Exception.php';
throw new IfwPsn_Vendor_Zend_Filter_Exception('You must provide a search separator for this filter to work.');
}
$this->setMatchPattern('#' . preg_quote($this->_searchSeparator, '#') . '#');
$this->setReplacement($this->_replacementSeparator);
return parent::filter($value);
}
/**
* Method to cache the regex needed to determine if unicode support is available
*
* @return bool
*/
protected static function _determineUnicodeSupport()
{
self::$_unicodeSupportEnabled = @preg_match('/\\pL/u', 'a') ? true : false;
}
