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<?php
/**
 * @package		Zen Tools
 * @subpackage	Zen Tools
 * @author		Joomla Bamboo - design@joomlabamboo.com
 * @copyright 	Copyright (c) 2013 Joomla Bamboo. All rights reserved.
 * @license		GNU General Public License version 2 or later
 * @version		1.9.6
 */

// no direct access
defined('_JEXEC') or die('Restricted access');

jimport('joomla.html.html');
jimport('joomla.filesystem.folder');
jimport('joomla.form.formfield');
jimport('joomla.form.helper');

JFormHelper::loadFieldClass('list');

/**
 * Supports an HTML select list of folder
 *
 * @package     Joomla.Platform
 * @subpackage  Form
 * @since       11.1
 */
class JFormFieldImageFolderDir extends JFormFieldList
{
	/**
	 * The form field type.
	 *
	 * @var    string
	 * @since  11.1
	 */
	public $type = 'ImageFolderDir';

	/**
	 * Method to get the field options.
	 *
	 * @return array The field option objects.
	 * @since   11.1
	 */
	protected function getOptions()
	{
		// Initialize variables.
		$options = array();

		// Initialize some field attributes.
		$filter			= (string) $this->element['filter'];
		$exclude		= (string) $this->element['exclude'];
		$hideNone		= (string) $this->element['hide_none'];
		$hideDefault	= (string) $this->element['hide_default'];

		// Get the path in which to search for file options.
		$path = (string) $this->element['directory'];

		// Make sure we have absolute filepath
		if (!substr_count($path, JPATH_ROOT))
		{
			$path = JPATH_ROOT.'/'.$path;
		}

		// Prepend some default options based on field attributes.
		if (!$hideNone) {
			$options[] = JHtml::_('select.option', '-1', JText::alt('JOPTION_DO_NOT_USE', preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname)));
		}
		if (!$hideDefault) {
			$options[] = JHtml::_('select.option', '', JText::alt('JOPTION_USE_DEFAULT', preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname)));
		}

		// Get a list of folders in the search path with the given filter.
		$folders = JFolder::folders($path, $filter, true, true);

			$path = str_replace('\\', '/', $path);
			//find start of local url
			$pos = strpos($path, '/images');

		// Build the options list from the list of folders.
		if (is_array($folders)) {
			foreach ($folders as $folder) {

				// Check to see if the file is in the exclude mask.
				if ($exclude) {
					if (preg_match(chr(1).$exclude.chr(1), $folder)) {
						continue;
					}
				}
				$folder = substr_replace($folder, '', 0, $pos);
				$folder = str_replace('\\', '/', $folder);

				$options[] = JHtml::_('select.option', $folder, $folder);
			}
		}

		// Merge any additional options in the XML definition.
		$options = array_merge(parent::getOptions(), $options);

		return $options;
	}
}