class-evf-fields.php — Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI 2.0.3

everest-forms / includes / class-evf-fields.php

everest-forms / includes Last commit date

class-evf-fields.php

173 lines

1	<?php
2	/**
3	* EverestForms Form Fields
4	*
5	* Loads form fields via hooks for use in the builder.
6	*
7	* @package EverestForms\Classes\Fields
8	* @version 1.2.0
9	*/
10
11	defined( 'ABSPATH' ) \|\| exit;
12
13	/**
14	* Form fields class.
15	*/
16	class EVF_Fields {
17
18	/**
19	* Form fields classes.
20	*
21	* @var array
22	*/
23	public $form_fields = array();
24
25	/**
26	* The single instance of the class.
27	*
28	* @var EVF_Fields
29	*/
30	protected static $instance = null;
31
32	/**
33	* Main EVF_Fields Instance.
34	*
35	* Ensures only one instance of EVF_Fields is loaded or can be loaded.
36	*
37	* @return EVF_Fields Main instance.
38	*/
39	public static function instance() {
40	if ( is_null( self::$instance ) ) {
41	self::$instance = new self();
42	}
43	return self::$instance;
44	}
45
46	/**
47	* Cloning is forbidden.
48	*
49	* @since 1.2.0
50	*/
51	public function __clone() {
52	evf_doing_it_wrong( __FUNCTION__, __( 'Cloning is forbidden.', 'everest-forms' ), '1.2.0' );
53	}
54
55	/**
56	* Unserializing instances of this class is forbidden.
57	*
58	* @since 1.2.0
59	*/
60	public function __wakeup() {
61	evf_doing_it_wrong( __FUNCTION__, __( 'Unserializing instances of this class is forbidden.', 'everest-forms' ), '1.2.0' );
62	}
63
64	/**
65	* Initialize form fields.
66	*/
67	public function __construct() {
68	$this->init();
69	}
70
71	/**
72	* Load fields and hook in functions.
73	*/
74	public function init() {
75	$load_fields = apply_filters(
76	'everest_forms_fields',
77	array(
78	'EVF_Field_First_Name',
79	'EVF_Field_Last_Name',
80	'EVF_Field_Text',
81	'EVF_Field_Textarea',
82	'EVF_Field_Select',
83	'EVF_Field_Radio',
84	'EVF_Field_Checkbox',
85	'EVF_Field_Number',
86	'EVF_Field_Email',
87	'EVF_Field_URL',
88	'EVF_Field_Date_Time',
89	'EVF_Field_AI',
90	)
91	);
92	if ( ! class_exists( '\EverestForms\AI' ) ) {
93	$load_fields = array_diff( $load_fields, array( 'EVF_Field_AI' ) );
94	}
95
96	// Get sort order.
97	$order_end = 999;
98
99	// Load form fields.
100	foreach ( $load_fields as $field ) {
101	$load_field = is_string( $field ) ? new $field() : $field;
102
103	if ( isset( $load_field->order ) && is_numeric( $load_field->order ) ) {
104	// Add in position.
105	$this->form_fields[ $load_field->group ][ $load_field->order ] = $load_field;
106	} else {
107	// Add to end of the array.
108	$this->form_fields[ $load_field->group ][ $order_end ] = $load_field;
109	++$order_end;
110	}
111
112	ksort( $this->form_fields[ $load_field->group ] );
113	}
114	}
115
116	/**
117	* Get fields.
118	*
119	* @return array
120	*/
121	public function form_fields() {
122	$_available_fields = array();
123
124	if ( count( $this->form_fields ) > 0 ) {
125	foreach ( $this->form_fields as $group => $field ) {
126	$_available_fields[ $group ] = $field;
127	}
128	}
129
130	return $_available_fields;
131	}
132
133	/**
134	* Get array of registered field types.
135	*
136	* @return array of strings
137	*/
138	public function get_form_field_types() {
139	$_available_fields = array();
140
141	if ( count( $this->form_fields ) > 0 ) {
142	foreach ( array_values( $this->form_fields ) as $form_field ) {
143	foreach ( $form_field as $field ) {
144	$_available_fields[] = $field->type;
145	}
146	}
147	}
148
149	return $_available_fields;
150	}
151
152	/**
153	* Get array of registered "Pro" field types.
154	*
155	* @return array of strings
156	*/
157	public function get_pro_form_field_types() {
158	$_available_fields = array();
159
160	if ( count( $this->form_fields ) > 0 ) {
161	foreach ( array_values( $this->form_fields ) as $form_field ) {
162	foreach ( $form_field as $field ) {
163	if ( $field->is_pro ) {
164	$_available_fields[] = $field->type;
165	}
166	}
167	}
168	}
169
170	return $_available_fields;
171	}
172	}
173