vikbooking / libraries / adapter / html / classes / formbehavior.php

formbehavior.php in VikBooking Hotel Booking Engine & PMS trunk, at libraries/adapter/html/classes/formbehavior.php

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1	<?php
2	/**
3	* @package VikWP - Libraries
4	* @subpackage adapter.html
5	* @author E4J s.r.l.
6	* @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved.
7	* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
8	* @link https://vikwp.com
9	*/
10
11	// No direct access
12	defined('ABSPATH') or die('No script kiddies please!');
13
14	/**
15	* Utility class for form related behaviors.
16	*
17	* @since 10.1.16
18	*/
19	abstract class JHtmlFormbehavior
20	{
21	/**
22	* Method to load the Chosen JavaScript framework and supporting CSS into the document head.
23	*
24	* @param string $selector Class for Chosen elements.
25	* @param mixed $debug Is debugging mode on? [optional].
26	* @param array $options The possible Chosen options as name => value [optional].
27	*
28	* @return void
29	*/
30	public static function chosen($selector = '.btn-toolbar', $debug = null, $options = array())
31	{
32	// load always select2 plugin
33	// JHtml::fetch('select2');
34	JText::script('JGLOBAL_SELECT_AN_OPTION');
35
36	static $loaded = 0;
37
38	// register only once
39	if (!$loaded)
40	{
41	$loaded = 1;
42
43	/**
44	* Use select2 rendering only in case of WordPress 5.2 or lower.
45	* Starting from WordPress 5.3 the dropdowns are rendered properly
46	* and there is no need to use a different layout.
47	* Contrarily, we will lose the possibility of searching the options.
48	*
49	* @since 10.1.30
50	*/
51	// $use_select2 = version_compare((new JVersion)->getShortVersion(), '5.3', '<') ? 1 : 0;
52	$use_select2 = 0;
53
54	// add support for chosen plugin
55	JFactory::getDocument()->addScriptDeclaration(
56	<<<JAVASCRIPT
57	(function($) {
58	'use strict';
59
60	if ($.fn.chosen === undefined) {
61	$.fn.chosen = function(data) {
62	// iterate all selected elements
63	$(this).each(function() {
64	// check is we have a multiple select
65	var isMultiple = $(this).prop('multiple');
66
67	if (!$use_select2 && !isMultiple) {
68	// do not go ahead in case we don't need a custom plugin
69	// to handle standard dropdowns
70	return this;
71	}
72
73	if (data !== undefined) {
74	// invoke requested method (e.g. destroy)
75	$(this).select2(data);
76	} else {
77	data = {};
78	data.width = isMultiple ? 300 : 200;
79	data.allowClear = $(this).hasClass('required') ? false : true;
80	data.placeholder = Joomla.JText._('JGLOBAL_SELECT_AN_OPTION');
81
82	var firstOption = $(this).find('option').first();
83
84	// in case we don't have an empty option, unset placeholder
85	if (!isMultiple && firstOption.length && firstOption.val().length > 0) {
86	data.allowClear = false;
87	data.placeholder = null;
88	}
89
90	// turn off search when there are 5 options or less
91	if ($(this).find('option').length <= 5) {
92	data.minimumResultsForSearch = -1;
93	}
94
95	// init select2 plugin
96	$(this).select2(data);
97	}
98	});
99
100	return this;
101	}
102	}
103	})(jQuery);
104	JAVASCRIPT
105	);
106	}
107
108	static $selectors = [];
109
110	/**
111	* The system is now able to initialize multiple selectors as a result of multiple calls.
112	*
113	* @since 10.1.63
114	*/
115	if (!isset($selectors[$selector])) {
116	$selectors[$selector] = 1;
117
118	// init requested selectors
119	JFactory::getDocument()->addScriptDeclaration(
120	<<<JAVASCRIPT
121	(function($) {
122	'use strict';
123
124	$(function() {
125	$('{$selector}')
126	.find('select')
127	.chosen()
128	.on('chosen:updated', function() {
129	// refresh select2 value when triggered
130	// $(this).select2('val', $(this).val());
131	});
132	});
133	})(jQuery);
134	JAVASCRIPT
135	);
136	}
137	}
138	}
139