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350 lines
11 KiB
350 lines
11 KiB
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* HTML class for a file upload field
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.01 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_01.txt If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category HTML
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* @package HTML_QuickForm
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* @author Adam Daniel <adaniel1@eesus.jnj.com>
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* @author Bertrand Mansion <bmansion@mamasam.com>
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* @author Alexey Borzov <avb@php.net>
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* @copyright 2001-2009 The PHP Group
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* @license http://www.php.net/license/3_01.txt PHP License 3.01
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* @version CVS: $Id: file.php,v 1.25 2009/04/04 21:34:02 avb Exp $
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* @link http://pear.php.net/package/HTML_QuickForm
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*/
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/**
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* HTML class for a file upload field
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*
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* @category HTML
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* @package HTML_QuickForm
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* @author Adam Daniel <adaniel1@eesus.jnj.com>
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* @author Bertrand Mansion <bmansion@mamasam.com>
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* @author Alexey Borzov <avb@php.net>
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* @version Release: 3.2.11
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* @since 1.0
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*/
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class HTML_QuickForm_file extends HTML_QuickForm_input
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{
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// {{{ properties
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/**
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* Uploaded file data, from $_FILES
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* @var array
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*/
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var $_value = null;
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// }}}
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// {{{ constructor
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/**
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* Class constructor
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*
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* @param string Input field name attribute
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* @param string Input field label
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* @param mixed (optional)Either a typical HTML attribute string
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* or an associative array
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* @since 1.0
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* @access public
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*/
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public function __construct($elementName=null, $elementLabel=null, $attributes=null)
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{
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parent::__construct($elementName, $elementLabel, $attributes);
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$this->setType('file');
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} //end constructor
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// }}}
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// {{{ setSize()
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/**
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* Sets size of file element
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*
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* @param int Size of file element
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* @since 1.0
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* @access public
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*/
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function setSize($size)
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{
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$this->updateAttributes(array('size' => $size));
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} //end func setSize
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// }}}
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// {{{ getSize()
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/**
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* Returns size of file element
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*
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* @since 1.0
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* @access public
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* @return int
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*/
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function getSize()
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{
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return $this->getAttribute('size');
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} //end func getSize
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// }}}
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// {{{ freeze()
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/**
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* Freeze the element so that only its value is returned
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*
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* @access public
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* @return bool
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*/
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function freeze()
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{
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return false;
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} //end func freeze
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// }}}
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// {{{ setValue()
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/**
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* Sets value for file element.
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*
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* Actually this does nothing. The function is defined here to override
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* HTML_Quickform_input's behaviour of setting the 'value' attribute. As
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* no sane user-agent uses <input type="file">'s value for anything
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* (because of security implications) we implement file's value as a
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* read-only property with a special meaning.
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*
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* @param mixed Value for file element
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* @since 3.0
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* @access public
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*/
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function setValue($value)
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{
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return null;
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} //end func setValue
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// }}}
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// {{{ getValue()
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/**
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* Returns information about the uploaded file
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*
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* @since 3.0
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* @access public
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* @return array
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*/
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public function getValue()
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{
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return $this->_value;
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} // end func getValue
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// }}}
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// {{{ onQuickFormEvent()
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/**
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* Called by HTML_QuickForm whenever form event is made on this element
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*
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* @param string Name of event
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* @param mixed event arguments
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* @param object calling object
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* @since 1.0
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* @access public
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* @return bool
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*/
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public function onQuickFormEvent($event, $arg, &$caller)
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{
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switch ($event) {
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case 'updateValue':
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if ($caller->getAttribute('method') == 'get') {
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return PEAR::raiseError('Cannot add a file upload field to a GET method form');
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}
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$this->_value = $this->_findValue();
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$caller->updateAttributes(array('enctype' => 'multipart/form-data'));
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$caller->setMaxFileSize();
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break;
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case 'addElement':
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$this->onQuickFormEvent('createElement', $arg, $caller);
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return $this->onQuickFormEvent('updateValue', null, $caller);
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break;
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case 'createElement':
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//$className = get_class($this);
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//$this &= new $className($arg[0], $arg[1], $arg[2]);
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break;
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}
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return true;
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}
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/**
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* Moves an uploaded file into the destination
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*
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* @param string Destination directory path
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* @param string New file name
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* @access public
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* @return bool Whether the file was moved successfully
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*/
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public function moveUploadedFile($dest, $fileName = '')
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{
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if ($dest != '' && substr($dest, -1) != '/') {
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$dest .= '/';
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}
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$fileName = ($fileName != '') ? $fileName : basename($this->_value['name']);
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return move_uploaded_file($this->_value['tmp_name'], $dest . $fileName);
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}
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/**
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* Checks if the element contains an uploaded file
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*
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* @access public
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* @return bool true if file has been uploaded, false otherwise
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*/
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public function isUploadedFile()
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{
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return self::_ruleIsUploadedFile($this->_value);
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}
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/**
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* Checks if the given element contains an uploaded file
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*
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* @param array Uploaded file info (from $_FILES)
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* @access private
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* @return bool true if file has been uploaded, false otherwise
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*/
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public static function _ruleIsUploadedFile($elementValue)
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{
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if ((isset($elementValue['error']) && $elementValue['error'] == 0) ||
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(!empty($elementValue['tmp_name']) && $elementValue['tmp_name'] != 'none')) {
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return is_uploaded_file($elementValue['tmp_name']);
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} else {
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return false;
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}
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}
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/**
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* Tries to find the element value from the values array
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*
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* Needs to be redefined here as $_FILES is populated differently from
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* other arrays when element name is of the form foo[bar]
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*
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* @access public
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* @return mixed
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*/
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public function _findValue(&$values = null)
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{
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if (empty($_FILES)) {
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return null;
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}
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$elementName = $this->getName();
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if (isset($_FILES[$elementName])) {
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return $_FILES[$elementName];
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} elseif (false !== ($pos = strpos($elementName, '['))) {
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$base = str_replace(
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array('\\', '\''), array('\\\\', '\\\''),
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substr($elementName, 0, $pos)
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);
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$idx = "['" . str_replace(
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array('\\', '\'', ']', '['), array('\\\\', '\\\'', '', "']['"),
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substr($elementName, $pos + 1, -1)
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) . "']";
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$props = array('name', 'type', 'size', 'tmp_name', 'error');
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$code = "if (!isset(\$_FILES['{$base}']['name']{$idx})) {\n" .
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" return null;\n" .
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"} else {\n" .
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" \$value = array();\n";
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foreach ($props as $prop) {
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$code .= " \$value['{$prop}'] = \$_FILES['{$base}']['{$prop}']{$idx};\n";
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}
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return eval($code . " return \$value;\n}\n");
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} else {
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return null;
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}
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}
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/**
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* @return string
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*/
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public function getElementJS($param)
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{
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$id = $this->getAttribute('id');
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$ratio = '16 / 9';
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if (!empty($param['ratio'])) {
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$ratio = $param['ratio'];
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}
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return '<script>
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$(document).ready(function() {
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var $image = $("#'.$id.'_preview_image");
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var $input = $("[name=\''.$id.'_crop_result\']");
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var $cropButton = $("#'.$id.'_crop_button");
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var canvas = "";
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var imageWidth = "";
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var imageHeight = "";
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$("#'.$id.'").change(function() {
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var oFReader = new FileReader();
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oFReader.readAsDataURL(document.getElementById("'.$id.'").files[0]);
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oFReader.onload = function (oFREvent) {
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$image.attr("src", this.result);
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$("#'.$id.'_label_crop_image").html("'.get_lang('Preview').'");
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$("#'.$id.'_crop_image").addClass("thumbnail");
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$cropButton.removeClass("hidden");
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// Destroy cropper
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$image.cropper("destroy");
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$image.cropper({
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aspectRatio: ' . $ratio . ',
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responsive : true,
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center : false,
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guides : false,
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movable: false,
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zoomable: false,
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rotatable: false,
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scalable: false,
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crop: function(e) {
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// Output the result data for cropping image.
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$input.val(e.x+","+e.y+","+e.width+","+e.height);
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}
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});
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};
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});
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$("#'.$id.'_crop_button").on("click", function() {
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var canvas = $image.cropper("getCroppedCanvas");
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var dataUrl = canvas.toDataURL();
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$image.attr("src", dataUrl);
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$image.cropper("destroy");
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$cropButton.addClass("hidden");
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return false;
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});
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});
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</script>';
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}
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public function toHtml()
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{
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$js = '';
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if (isset($this->_attributes['crop_image'])) {
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$ratio = '16 / 9';
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if (!empty($this->_attributes['crop_ratio'])) {
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$ratio = $this->_attributes['crop_ratio'];
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}
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$js = $this->getElementJS(array('ratio' => $ratio));
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}
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if ($this->_flagFrozen) {
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return $this->getFrozenHtml();
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} else {
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return $js.$this->_getTabs() . '<input' . $this->_getAttrString($this->_attributes) . ' />';
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}
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} //end func toHtml
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}
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