155 lines
4.2 KiB
PHP
155 lines
4.2 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Form
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* @subpackage Decorator
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/** Zend_Form_Decorator_Abstract */
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require_once 'Zend/Form/Decorator/Abstract.php';
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/**
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* Zend_Form_Decorator_Image
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*
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* Accepts the options:
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* - separator: separator to use between image and content (defaults to PHP_EOL)
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* - placement: whether to append or prepend label to content (defaults to append)
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* - tag: if set, used to wrap the label in an additional HTML tag
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*
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* Any other options passed will be used as HTML attributes of the image tag.
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*
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* @category Zend
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* @package Zend_Form
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* @subpackage Decorator
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Image.php 10008 2008-07-09 16:52:08Z matthew $
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*/
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class Zend_Form_Decorator_Image extends Zend_Form_Decorator_Abstract
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{
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/**
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* Attributes that should not be passed to helper
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* @var array
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*/
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protected $_attribBlacklist = array('helper', 'placement', 'separator', 'tag');
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/**
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* Default placement: append
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* @var string
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*/
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protected $_placement = 'APPEND';
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/**
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* HTML tag with which to surround image
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* @var string
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*/
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protected $_tag;
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/**
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* Set HTML tag with which to surround label
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*
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* @param string $tag
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* @return Zend_Form_Decorator_Image
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*/
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public function setTag($tag)
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{
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$this->_tag = (string) $tag;
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return $this;
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}
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/**
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* Get HTML tag, if any, with which to surround label
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*
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* @return void
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*/
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public function getTag()
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{
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if (null === $this->_tag) {
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$tag = $this->getOption('tag');
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if (null !== $tag) {
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$this->removeOption('tag');
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$this->setTag($tag);
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}
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return $tag;
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}
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return $this->_tag;
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}
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/**
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* Get attributes to pass to image helper
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*
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* @return array
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*/
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public function getAttribs()
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{
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$attribs = $this->getOptions();
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if (null !== ($element = $this->getElement())) {
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$attribs['alt'] = $element->getLabel();
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$attribs = array_merge($attribs, $element->getAttribs());
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}
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foreach ($this->_attribBlacklist as $key) {
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if (array_key_exists($key, $attribs)) {
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unset($attribs[$key]);
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}
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}
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return $attribs;
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}
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/**
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* Render a form image
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*
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* @param string $content
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* @return string
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*/
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public function render($content)
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{
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$element = $this->getElement();
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$view = $element->getView();
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if (null === $view) {
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return $content;
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}
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$tag = $this->getTag();
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$placement = $this->getPlacement();
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$separator = $this->getSeparator();
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$name = $element->getFullyQualifiedName();
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$attribs = $this->getAttribs();
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$attribs['id'] = $element->getId();
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$image = $view->formImage($name, $element->getImageValue(), $attribs);
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if (null !== $tag) {
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require_once 'Zend/Form/Decorator/HtmlTag.php';
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$decorator = new Zend_Form_Decorator_HtmlTag();
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$decorator->setOptions(array('tag' => $tag));
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$image = $decorator->render($image);
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}
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switch ($placement) {
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case self::PREPEND:
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return $image . $separator . $content;
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case self::APPEND:
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default:
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return $content . $separator . $image;
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}
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}
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}
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