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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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: FormElement.php 22285 2010-05-25 14:22:11Z matthew $
*/
/**
* @see Zend_View_Helper_HtmlElement
*/
require_once 'Zend/View/Helper/HtmlElement.php';
/**
* Base helper for form elements. Extend this, don't use it on its own.
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_View_Helper_FormElement extends Zend_View_Helper_HtmlElement
{
/**
* @var Zend_Translate
*/
protected $_translator;
/**
* Get translator
*
* @return Zend_Translate
*/
public function getTranslator()
{
return $this->_translator;
}
/**
* Set translator
*
* @param $translator|null Zend_Translate
* @return Zend_View_Helper_FormElement
*/
public function setTranslator($translator = null)
{
if (null === $translator) {
$this->_translator = null;
} elseif ($translator instanceof Zend_Translate_Adapter) {
$this->_translator = $translator;
} elseif ($translator instanceof Zend_Translate) {
$this->_translator = $translator->getAdapter();
} else {
require_once 'Zend/View/Exception.php';
$e = new Zend_View_Exception('Invalid translator specified');
$e->setView($this->view);
throw $e;
}
return $this;
}
/**
* Converts parameter arguments to an element info array.
*
* E.g, formExample($name, $value, $attribs, $options, $listsep) is
* the same thing as formExample(array('name' => ...)).
*
* Note that you cannot pass a 'disable' param; you need to pass
* it as an 'attribs' key.
*
* @access protected
*
* @return array An element info array with keys for name, value,
* attribs, options, listsep, disable, and escape.
*/
protected function _getInfo($name, $value = null, $attribs = null,
$options = null, $listsep = null
) {
// the baseline info. note that $name serves a dual purpose;
// if an array, it's an element info array that will override
// these baseline values. as such, ignore it for the 'name'
// if it's an array.
$info = array(
'name' => is_array($name) ? '' : $name,
'id' => is_array($name) ? '' : $name,
'value' => $value,
'attribs' => $attribs,
'options' => $options,
'listsep' => $listsep,
'disable' => false,
'escape' => true,
);
// override with named args
if (is_array($name)) {
// only set keys that are already in info
foreach ($info as $key => $val) {
if (isset($name[$key])) {
$info[$key] = $name[$key];
}
}
// If all helper options are passed as an array, attribs may have
// been as well
if (null === $attribs) {
$attribs = $info['attribs'];
}
}
$attribs = (array)$attribs;
// Normalize readonly tag
if (array_key_exists('readonly', $attribs)) {
$attribs['readonly'] = 'readonly';
}
// Disable attribute
if (array_key_exists('disable', $attribs)) {
if (is_scalar($attribs['disable'])) {
// disable the element
$info['disable'] = (bool)$attribs['disable'];
} else if (is_array($attribs['disable'])) {
$info['disable'] = $attribs['disable'];
}
}
// Set ID for element
if (array_key_exists('id', $attribs)) {
$info['id'] = (string)$attribs['id'];
} else if ('' !== $info['name']) {
$info['id'] = trim(strtr($info['name'],
array('[' => '-', ']' => '')), '-');
}
// Determine escaping from attributes
if (array_key_exists('escape', $attribs)) {
$info['escape'] = (bool)$attribs['escape'];
}
// Determine listsetp from attributes
if (array_key_exists('listsep', $attribs)) {
$info['listsep'] = (string)$attribs['listsep'];
}
// Remove attribs that might overwrite the other keys. We do this LAST
// because we needed the other attribs values earlier.
foreach ($info as $key => $val) {
if (array_key_exists($key, $attribs)) {
unset($attribs[$key]);
}
}
$info['attribs'] = $attribs;
// done!
return $info;
}
/**
* Creates a hidden element.
*
* We have this as a common method because other elements often
* need hidden elements for their operation.
*
* @access protected
*
* @param $name The element name.
*
* @param $value The element value.
*
* @param $attribs Attributes for the element.
*
* @return string A hidden element.
*/
protected function _hidden($name, $value = null, $attribs = null)
{
return '<input type="hidden"'
. ' name="' . $this->view->escape($name) . '"'
. ' value="' . $this->view->escape($value) . '"'
. $this->_htmlAttribs($attribs) . $this->getClosingBracket();
}
}
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