library/Zend/Form/Decorator/File.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Form
  17  * @subpackage Decorator
  18  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  19  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20  */
  21
  22 /** Zend_Form_Decorator_Abstract */
  23 require_once 'Zend/Form/Decorator/Abstract.php';
  24
  25 /** Zend_Form_Decorator_Marker_File_Interface */
  26 require_once 'Zend/Form/Decorator/Marker/File/Interface.php';
  27
  28 /** Zend_File_Transfer_Adapter_Http */
  29 require_once 'Zend/File/Transfer/Adapter/Http.php';
  30
  31 /**
  32  * Zend_Form_Decorator_File
  33  *
  34  * Fixes the rendering for all subform and multi file elements
  35  *
  36  * @category   Zend
  37  * @package    Zend_Form
  38  * @subpackage Decorator
  39  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  40  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  41  * @version    $Id: File.php 16971 2009-07-22 18:05:45Z mikaelkael $
  42  */
  43 class Zend_Form_Decorator_File
  44     extends Zend_Form_Decorator_Abstract
  45     implements Zend_Form_Decorator_Marker_File_Interface
  46 {
  47     /**
  48      * Attributes that should not be passed to helper
  49      * @var array
  50      */
  51     protected $_attribBlacklist = array('helper', 'placement', 'separator', 'value');
  52
  53     /**
  54      * Default placement: append
  55      * @var string
  56      */
  57     protected $_placement = 'APPEND';
  58
  59     /**
  60      * Get attributes to pass to file helper
  61      *
  62      * @return array
  63      */
  64     public function getAttribs()
  65     {
  66         $attribs   = $this->getOptions();
  67
  68         if (null !== ($element = $this->getElement())) {
  69             $attribs = array_merge($attribs, $element->getAttribs());
  70         }
  71
  72         foreach ($this->_attribBlacklist as $key) {
  73             if (array_key_exists($key, $attribs)) {
  74                 unset($attribs[$key]);
  75             }
  76         }
  77
  78         return $attribs;
  79     }
  80
  81     /**
  82      * Render a form file
  83      *
  84      * @param  string $content
  85      * @return string
  86      */
  87     public function render($content)
  88     {
  89         $element = $this->getElement();
  90         if (!$element instanceof Zend_Form_Element) {
  91             return $content;
  92         }
  93
  94         $view = $element->getView();
  95         if (!$view instanceof Zend_View_Interface) {
  96             return $content;
  97         }
  98
  99         $name      = $element->getName();
 100         $attribs   = $this->getAttribs();
 101         if (!array_key_exists('id', $attribs)) {
 102             $attribs['id'] = $name;
 103         }
 104
 105         $separator = $this->getSeparator();
 106         $placement = $this->getPlacement();
 107         $markup    = array();
 108         $size      = $element->getMaxFileSize();
 109         if ($size > 0) {
 110             $element->setMaxFileSize(0);
 111             $markup[] = $view->formHidden('MAX_FILE_SIZE', $size);
 112         }
 113
 114         if (Zend_File_Transfer_Adapter_Http::isApcAvailable()) {
 115             $markup[] = $view->formHidden('APC_UPLOAD_PROGRESS', uniqid(), array('id' => 'progress_key'));
 116         } else if (Zend_File_Transfer_Adapter_Http::isUploadProgressAvailable()) {
 117             $markup[] = $view->formHidden('UPLOAD_IDENTIFIER', uniqid(), array('id' => 'progress_key'));
 118         }
 119
 120         if ($element->isArray()) {
 121             $name .= "[]";
 122             $count = $element->getMultiFile();
 123             for ($i = 0; $i < $count; ++$i) {
 124                 $htmlAttribs        = $attribs;
 125                 $htmlAttribs['id'] .= '-' . $i;
 126                 $markup[] = $view->formFile($name, $htmlAttribs);
 127             }
 128         } else {
 129             $markup[] = $view->formFile($name, $attribs);
 130         }
 131
 132         $markup = implode($separator, $markup);
 133
 134         switch ($placement) {
 135             case self::PREPEND:
 136                 return $markup . $separator . $content;
 137             case self::APPEND:
 138             default:
 139                 return $content . $separator . $markup;
 140         }
 141     }
 142 }