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libraries/joomla/form/fields/file.php

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+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  Form
+ *
+ * @copyright   Copyright (C) 2005 - 2013 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
+ *
+ * @package     Joomla.Platform
+ * @subpackage  Form
+ * @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
+	 */
+	public $type = 'File';
+
+	/**
+	 * 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.
+	 *
+	 * @since   11.1
+	 *
+	 * @note    The field does not include an upload mechanism.
+	 * @see     JFormFieldMedia
+	 */
+	protected function getInput()
+	{
+		// Initialize some field attributes.
+		$accept = $this->element['accept'] ? ' accept="' . (string) $this->element['accept'] . '"' : '';
+		$size = $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';
+		$class = $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';
+		$disabled = ((string) $this->element['disabled'] == 'true') ? ' disabled="disabled"' : '';
+		$required = $this->required ? ' required="required" aria-required="true"' : '';
+
+		// Initialize JavaScript field attributes.
+		$onchange = $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';
+
+		return '<input type="file" name="' . $this->name . '" id="' . $this->id . '" value=""' . $accept . $disabled . $class . $size
+			. $onchange . $required . ' />';
+	}
+}