<?php
/**
 * @package    mod_geekfacebookembed
 * @version    1.2.0
 *
 * @copyright  Copyright (C) 2015 - 2017 JoomlaGeek. All Rights Reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 * @author     JoomlaGeek <admin@joomlageek.com>
 * @link       http://www.joomlageek.com
 */

defined('JPATH_BASE') or die;

JFormHelper::loadFieldClass('list');

class JFormFieldDependentSelect extends JFormFieldList
{
	/**
	 * The form field type.
	 *
	 * @var    string
	 * @since  11.1
	 */
	protected $type = 'DependentSelect';


	protected function getInput()
	{
		$this->hidden = true;

		$group = $this->formControl.'['.$this->group.']';
		$script = array();
		foreach ($this->element->children() as $option) {
			// Only add <option /> elements.
			if ($option->getName() != 'option') {
				continue;
			}
			$depends = preg_replace('/\s+/', '', (string) $option);
			$depends = explode(',', $depends);
			$depends = count($depends) ? "['".implode("','", $depends)."']" : '[]';

			$script[] = "
			geekDependentSelect.register({
				group: '{$group}',
				element: '{$option['element']}',
				value: '{$option['value']}',
				depends: {$depends}
			});
			";
		}
		if(count($script)) {
			$path = substr(dirname(__FILE__), strlen(JPATH_ROOT));
			$path = preg_replace('#[/\\\\]+#', '/', $path.'/');
			$path = preg_replace('#^[/\\\\]+#', '', $path);

			$doc = JFactory::getDocument();
			$doc->addScript(JUri::root(true).'/'.$path.'dependentselect/script.js');
			$doc->addScriptDeclaration(implode('', $script));
		}
	}
}