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<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\HTML\Helpers;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\Registry\Registry;

/**
 * Utility class for form related behaviors
 *
 * @since       3.0
 *
 * @deprecated  5.0  Without replacement
 */
abstract class FormBehavior
{
	/**
	 * @var    array  Array containing information for loaded files
	 * @since  3.0
	 */
	protected static $loaded = array();

/**
	 * Method to load the Chosen JavaScript framework and supporting CSS into the document head
	 *
	 * If debugging mode is on an uncompressed version of Chosen is included for easier debugging.
	 *
	 * @param   string  $selector  Class for Chosen elements.
	 * @param   mixed   $debug     Is debugging mode on? [optional]
	 * @param   array   $options   the possible Chosen options as name => value [optional]
	 *
	 * @return  void
	 *
	 * @since   3.0
	 */
	public static function chosen($selector = '.advancedSelect', $debug = null, $options = array())
	{
		if (isset(static::$loaded[__METHOD__][$selector]))
		{
			return;
		}

// If no debugging value is set, use the configuration setting
		if ($debug === null)
		{
			$debug = JDEBUG;
		}

// Default settings
		if (!isset($options['disable_search_threshold']))
		{
			$options['disable_search_threshold'] = 10;
		}

// Allow searching contains space in query
		if (!isset($options['search_contains']))
		{
			$options['search_contains'] = true;
		}

if (!isset($options['allow_single_deselect']))
		{
			$options['allow_single_deselect'] = true;
		}

if (!isset($options['placeholder_text_multiple']))
		{
			$options['placeholder_text_multiple'] = Text::_('JGLOBAL_TYPE_OR_SELECT_SOME_OPTIONS');
		}

if (!isset($options['placeholder_text_single']))
		{
			$options['placeholder_text_single'] = Text::_('JGLOBAL_SELECT_AN_OPTION');
		}

if (!isset($options['no_results_text']))
		{
			$options['no_results_text'] = Text::_('JGLOBAL_SELECT_NO_RESULTS_MATCH');
		}

// Options array to json options string
		$options_str = \json_encode($options, ($debug && \defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : false));

// Add chosen.js assets

/** @var \Joomla\CMS\WebAsset\WebAssetManager $wa */
		$wa = Factory::getApplication()->getDocument()->getWebAssetManager();
		$wa->usePreset('chosen')
			->registerAndUseScript('joomla-chosen', 'legacy/joomla-chosen.min.js', [], [], ['chosen'])
			->addInlineScript(
				"
		jQuery(document).ready(function (){
			jQuery('" . $selector . "').jchosen(" . $options_str . ");
		});
	"
			);

static::$loaded[__METHOD__][$selector] = true;
	}

/**
	 * Method to load the AJAX Chosen library
	 *
	 * If debugging mode is on an uncompressed version of AJAX Chosen is included for easier debugging.
	 *
	 * @param   Registry  $options  Options in a Registry object
	 * @param   mixed     $debug    Is debugging mode on? [optional]
	 *
	 * @return  void
	 *
	 * @since   3.0
	 */
	public static function ajaxchosen(Registry $options, $debug = null)
	{
		// Retrieve options/defaults
		$selector       = $options->get('selector', '.tagfield');
		$type           = $options->get('type', 'GET');
		$url            = $options->get('url', null);
		$dataType       = $options->get('dataType', 'json');
		$jsonTermKey    = $options->get('jsonTermKey', 'term');
		$afterTypeDelay = $options->get('afterTypeDelay', '500');
		$minTermLength  = $options->get('minTermLength', '3');

// Ajax URL is mandatory
		if (!empty($url))
		{
			if (isset(static::$loaded[__METHOD__][$selector]))
			{
				return;
			}

// Requires chosen to work
			static::chosen($selector, $debug);

Text::script('JGLOBAL_KEEP_TYPING');
			Text::script('JGLOBAL_LOOKING_FOR');

// Include scripts
			HTMLHelper::_('behavior.core');
			HTMLHelper::_('jquery.framework');
			HTMLHelper::_('script', 'legacy/ajax-chosen.min.js', ['version' => 'auto', 'relative' => true, 'detectDebug' => $debug]);

Factory::getDocument()->addScriptOptions(
				'ajax-chosen',
				array(
					'url'            => $url,
					'debug'          => $debug,
					'options'        => $options,
					'selector'       => $selector,
					'type'           => $type,
					'dataType'       => $dataType,
					'jsonTermKey'    => $jsonTermKey,
					'afterTypeDelay' => $afterTypeDelay,
					'minTermLength'  => $minTermLength,
				)
			);

static::$loaded[__METHOD__][$selector] = true;
		}
	}
}