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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: FormRadio.php 16541 2009-07-07 06:59:03Z bkarwin $
*/
/**
* Abstract class for extension
*/
require_once 'Zend/View/Helper/FormElement.php';
/**
* Helper to generate a set of radio button elements
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_View_Helper_FormRadio extends Zend_View_Helper_FormElement
{
/**
* Input type to use
* @var string
*/
protected $_inputType = 'radio';
/**
* Whether or not this element represents an array collection by default
* @var bool
*/
protected $_isArray = false;
/**
* 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;
// XHTML or HTML end tag?
$endTag = ' />';
if (($this->view instanceof Zend_View_Abstract) && !$this->view->doctype()->isXhtml()) {
$endTag= '>';
}
// add radio buttons to the list.
require_once 'Zend/Filter/Alnum.php';
$filter = new Zend_Filter_Alnum();
foreach ($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) . ' for="' . $optId . '">'
. (('prepend' == $labelPlacement) ? $opt_label : '')
. '<input type="' . $this->_inputType . '"'
. ' name="' . $name . '"'
. ' id="' . $optId . '"'
. ' value="' . $this->view->escape($opt_value) . '"'
. $checked
. $disabled
. $this->_htmlAttribs($attribs)
. $endTag
. (('append' == $labelPlacement) ? $opt_label : '')
. '</label>';
// add to the array of radio buttons
$list[] = $radio;
}
// done!
$xhtml .= implode($listsep, $list);
return $xhtml;
}
}
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