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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_Form
* @subpackage Decorator
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Form_Decorator_Abstract */
/**
* Zend_Form_Decorator_Description
*
* Accepts the options:
* - separator: separator to use between label and content (defaults to PHP_EOL)
* - placement: whether to append or prepend label to content (defaults to prepend)
* - tag: if set, used to wrap the label in an additional HTML tag
* - class: if set, override default class used with HTML tag
* - escape: whether or not to escape description (true by default)
*
* Any other options passed will be used as HTML attributes of the HTML tag used.
*
* @category Zend
* @package Zend_Form
* @subpackage Decorator
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
class Zend_Form_Decorator_Description extends Zend_Form_Decorator_Abstract
{
/**
* Whether or not to escape the description
* @var bool
*/
protected $_escape;
/**
* Default placement: append
* @var string
*/
protected $_placement = 'APPEND';
/**
* HTML tag with which to surround description
* @var string
*/
protected $_tag;
/**
* Set HTML tag with which to surround description
*
* @param string $tag
* @return Zend_Form_Decorator_Description
*/
public function setTag($tag)
{
$this->_tag = (string) $tag;
return $this;
}
/**
* Get HTML tag, if any, with which to surround description
*
* @return string
*/
public function getTag()
{
if (null === $this->_tag) {
$tag = $this->getOption('tag');
if (null !== $tag) {
$this->removeOption('tag');
} else {
$tag = 'p';
}
$this->setTag($tag);
return $tag;
}
return $this->_tag;
}
/**
* Get class with which to define description
*
* Defaults to 'hint'
*
* @return string
*/
public function getClass()
{
$class = $this->getOption('class');
if (null === $class) {
$class = 'hint';
$this->setOption('class', $class);
}
return $class;
}
/**
* Set whether or not to escape description
*
* @param bool $flag
* @return Zend_Form_Decorator_Description
*/
public function setEscape($flag)
{
$this->_escape = (bool) $flag;
return $this;
}
/**
* Get escape flag
*
* @return true
*/
public function getEscape()
{
if (null === $this->_escape) {
if (null !== ($escape = $this->getOption('escape'))) {
$this->setEscape($escape);
$this->removeOption('escape');
} else {
$this->setEscape(true);
}
}
return $this->_escape;
}
/**
* Render a description
*
* @param string $content
* @return string
*/
public function render($content)
{
$element = $this->getElement();
$view = $element->getView();
if (null === $view) {
return $content;
}
$description = $element->getDescription();
$description = trim($description ?? '');
if (!empty($description) && (null !== ($translator = $element->getTranslator()))) {
$description = $translator->translate($description);
}
if (empty($description)) {
return $content;
}
$separator = $this->getSeparator();
$placement = $this->getPlacement();
$tag = $this->getTag();
$class = $this->getClass();
$escape = $this->getEscape();
$options = $this->getOptions();
if ($escape) {
$description = $view->escape($description);
}
if (!empty($tag)) {
$options['tag'] = $tag;
$decorator = new Zend_Form_Decorator_HtmlTag($options);
$description = $decorator->render($description);
}
switch ($placement) {
case self::PREPEND:
return $description . $separator . $content;
case self::APPEND:
default:
return $content . $separator . $description;
}
}
}
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