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<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Form Field class for the Joomla Platform.
* Provides an input field for files
*
* @link http://www.w3.org/TR/html-markup/input.file.html#input.file
* @since 11.1
*/
class JFormFieldFile extends JFormField
{
/**
* The form field type.
*
* @var string
* @since 11.1
*/
protected $type = 'File';
/**
* The accepted file type list.
*
* @var mixed
* @since 3.2
*/
protected $accept;
/**
* Name of the layout being used to render the field
*
* @var string
* @since 3.6
*/
protected $layout = 'joomla.form.field.file';
/**
* Method to get certain otherwise inaccessible properties from the form field object.
*
* @param string $name The property name for which to the the value.
*
* @return mixed The property value or null.
*
* @since 3.2
*/
public function __get($name)
{
switch ($name)
{
case 'accept':
return $this->accept;
}
return parent::__get($name);
}
/**
* Method to set certain otherwise inaccessible properties of the form field object.
*
* @param string $name The property name for which to the the value.
* @param mixed $value The value of the property.
*
* @return void
*
* @since 3.2
*/
public function __set($name, $value)
{
switch ($name)
{
case 'accept':
$this->accept = (string) $value;
break;
default:
parent::__set($name, $value);
}
}
/**
* Method to attach a JForm object to the field.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
*
* @return boolean True on success.
*
* @see JFormField::setup()
* @since 3.2
*/
public function setup(SimpleXMLElement $element, $value, $group = null)
{
$return = parent::setup($element, $value, $group);
if ($return)
{
$this->accept = (string) $this->element['accept'];
}
return $return;
}
/**
* Method to get the field input markup for the file field.
* Field attributes allow specification of a maximum file size and a string
* of accepted file extensions.
*
* @return string The field input markup.
*
* @note The field does not include an upload mechanism.
* @see JFormFieldMedia
* @since 11.1
*/
protected function getInput()
{
return $this->getRenderer($this->layout)->render($this->getLayoutData());
}
/**
* Method to get the data to be passed to the layout for rendering.
*
* @return array
*
* @since 3.6
*/
protected function getLayoutData()
{
$data = parent::getLayoutData();
$extraData = array(
'accept' => $this->accept,
'multiple' => $this->multiple,
);
return array_merge($data, $extraData);
}
}
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