formidable / classes / helpers / FrmFieldGridHelper.php

FrmFieldGridHelper.php in Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More 5.2, at classes/helpers/FrmFieldGridHelper.php

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1	<?php
2	if ( ! defined( 'ABSPATH' ) ) {
3	die( 'You are not allowed to call this page directly.' );
4	}
5
6	class FrmFieldGridHelper {
7
8	private $parent_li;
9
10	/**
11	* @var int
12	*/
13	private $current_list_size;
14
15	/**
16	* @var int
17	*/
18	private $current_field_count;
19
20	/**
21	* @var string
22	*/
23	private $field_layout_class;
24
25	/**
26	* @var int
27	*/
28	private $active_field_size;
29
30	/**
31	* @var bool $is_frm_first flagged while calling get_field_layout_class, true if classes contain frm_first class.
32	*/
33	private $is_frm_first;
34
35	/**
36	* @var stdClass
37	*/
38	private $field;
39
40	/**
41	* @var FrmFieldGridHelper $section_helper
42	*/
43	private $section_helper;
44
45	/**
46	* @var bool $nested
47	*/
48	private $nested;
49
50	/**
51	* @var int $section_size
52	*/
53	private $section_size;
54
55	private $section_is_open = false;
56
57	public function __construct( $nested = false ) {
58	$this->parent_li = false;
59	$this->current_list_size = 0;
60	$this->current_field_count = 0;
61	$this->nested = $nested;
62	}
63
64	/**
65	* @param stdClass $field
66	*/
67	public function set_field( $field ) {
68	$this->field = $field;
69
70	if ( ! empty( $this->section_helper ) && 'end_divider' !== $field->type ) {
71	$this->section_helper->set_field( $field );
72	return;
73	}
74
75	if ( 'end_divider' === $field->type ) {
76	$this->field_layout_class = '';
77	$this->active_field_size = $this->section_size;
78	$this->section_is_open = false;
79	$this->maybe_close_section_helper();
80	} else {
81	$this->field_layout_class = $this->get_field_layout_class();
82	$this->active_field_size = $this->get_size_of_class( $this->field_layout_class );
83	}
84
85	if ( 'divider' === $field->type && empty( $this->nested ) ) {
86	$this->section_size = $this->active_field_size;
87	$this->active_field_size = 0;
88	$this->section_helper = new self( true );
89	}
90	}
91
92	private function maybe_close_section_helper() {
93	if ( empty( $this->section_helper ) ) {
94	return;
95	}
96	$this->section_helper->force_close_field_wrapper();
97	$this->section_helper = null;
98	}
99
100	/**
101	* @return string
102	*/
103	public function get_field_layout_class() {
104	$field = FrmFieldsHelper::setup_edit_vars( $this->field );
105
106	if ( empty( $field['classes'] ) ) {
107	return '';
108	}
109
110	$split = explode( ' ', $field['classes'] );
111	$this->is_frm_first = in_array( 'frm_first', $split, true );
112	$classes = self::get_grid_classes();
113
114	foreach ( $classes as $class ) {
115	if ( in_array( $class, $split, true ) ) {
116	return $class;
117	}
118	}
119
120	return '';
121	}
122
123	public function maybe_begin_field_wrapper() {
124	if ( $this->should_first_close_the_active_field_wrapper() ) {
125	$this->close_field_wrapper();
126	}
127
128	if ( false === $this->parent_li && 'end_divider' !== $this->field->type ) {
129	$this->begin_field_wrapper();
130	}
131
132	if ( ! empty( $this->section_helper ) && $this->section_is_open ) {
133	$this->section_helper->maybe_begin_field_wrapper();
134	}
135	}
136
137	/**
138	* @return bool
139	*/
140	private function should_first_close_the_active_field_wrapper() {
141	if ( false === $this->parent_li \|\| ! empty( $this->section_helper ) ) {
142	return false;
143	}
144	if ( 'end_divider' === $this->field->type ) {
145	return false;
146	}
147	return ! $this->can_support_current_layout() \|\| $this->is_frm_first;
148	}
149
150	private function begin_field_wrapper() {
151	echo '<li class="frm_field_box"><ul class="frm_grid_container frm_sorting">';
152	$this->parent_li = true;
153	$this->current_list_size = 0;
154	$this->current_field_count = 0;
155	}
156
157	/**
158	* @param string $class
159	* @return int
160	*/
161	private static function get_size_of_class( $class ) {
162	switch ( $class ) {
163	case 'frm_half':
164	return 6;
165	case 'frm_third':
166	return 4;
167	case 'frm_two_thirds':
168	return 8;
169	case 'frm_fourth':
170	return 3;
171	case 'frm_three_fourths':
172	return 9;
173	case 'frm_sixth':
174	return 2;
175	}
176
177	if ( 0 === strpos( $class, 'frm' ) ) {
178	$substr = substr( $class, 3 );
179	if ( is_numeric( $substr ) ) {
180	return (int) $substr;
181	}
182	}
183
184	// Anything missing a layout class should be a full width row.
185	return 12;
186	}
187
188	public function sync_list_size() {
189	if ( ! isset( $this->field ) ) {
190	return;
191	}
192
193	if ( 'divider' === $this->field->type ) {
194	$this->section_is_open = true;
195	}
196
197	if ( ! empty( $this->section_helper ) ) {
198	$this->section_helper->sync_list_size();
199	if ( 'end_divider' === $this->field->type ) {
200	$this->maybe_close_section_helper();
201	}
202	return;
203	}
204
205	if ( false !== $this->parent_li ) {
206	$this->current_field_count ++;
207	$this->current_list_size += $this->active_field_size;
208	if ( 12 === $this->current_list_size ) {
209	$this->close_field_wrapper();
210	}
211	}
212	}
213
214	/**
215	* It is possible that there was still space for another field so the wrapper could still be open after looping the fields.
216	* If it is, make sure it's closed now.
217	*/
218	public function force_close_field_wrapper() {
219	if ( false !== $this->parent_li ) {
220	$this->close_field_wrapper();
221	}
222	}
223
224	private function close_field_wrapper() {
225	$this->maybe_close_section_helper();
226	echo '</ul></li>';
227	$this->parent_li = false;
228	$this->current_list_size = 0;
229	$this->current_field_count = 0;
230	}
231
232	private function can_support_current_layout() {
233	if ( 'end_divider' === $this->field->type ) {
234	return true;
235	}
236	return $this->can_support_an_additional_layout( $this->field_layout_class );
237	}
238
239	/**
240	* @param string $class
241	* @return bool
242	*/
243	private function can_support_an_additional_layout( $class ) {
244	$size = $this->get_size_of_class( $class );
245	return $this->current_list_size + $size <= 12;
246	}
247
248	/**
249	* @return array<string>
250	*/
251	private static function get_grid_classes() {
252	return array(
253	'frm_full',
254	'frm_half',
255	'frm_third',
256	'frm_two_thirds',
257	'frm_fourth',
258	'frm_three_fourths',
259	'frm_sixth',
260	'frm1',
261	'frm2',
262	'frm3',
263	'frm4',
264	'frm5',
265	'frm6',
266	'frm7',
267	'frm8',
268	'frm9',
269	'frm10',
270	'frm11',
271	'frm12',
272	);
273	}
274	}
275