|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Carbon_Fields\Field; |
|
4
|
|
|
|
|
5
|
|
|
use Carbon_Fields\Datastore\Datastore_Interface; |
|
6
|
|
|
use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
|
7
|
|
|
|
|
8
|
|
|
class Group_Field { |
|
9
|
|
|
/** |
|
10
|
|
|
* Unique group identificator. Generated randomly. |
|
11
|
|
|
* |
|
12
|
|
|
* @var string |
|
13
|
|
|
*/ |
|
14
|
|
|
protected $group_id; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* Sanitized group name. |
|
18
|
|
|
* |
|
19
|
|
|
* @var string |
|
20
|
|
|
*/ |
|
21
|
|
|
protected $name; |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* Group label, used during rendering. |
|
25
|
|
|
* |
|
26
|
|
|
* @var string |
|
27
|
|
|
*/ |
|
28
|
|
|
protected $label; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* Group label underscore template. |
|
32
|
|
|
* |
|
33
|
|
|
* @var string |
|
34
|
|
|
*/ |
|
35
|
|
|
protected $label_template; |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Group fields. |
|
39
|
|
|
* |
|
40
|
|
|
* @var array |
|
41
|
|
|
*/ |
|
42
|
|
|
protected $fields = array(); |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* List of registered unique field names |
|
46
|
|
|
* |
|
47
|
|
|
* @see verify_unique_field_name() |
|
48
|
|
|
* @var array |
|
49
|
|
|
*/ |
|
50
|
|
|
protected $registered_field_names = array(); |
|
|
|
|
|
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* Create a group field with the specified name and label. |
|
54
|
|
|
* |
|
55
|
|
|
* @param string $name |
|
56
|
|
|
* @param string $label |
|
57
|
|
|
* @param array $fields |
|
58
|
|
|
*/ |
|
59
|
|
View Code Duplication |
public function __construct( $name, $label, $fields ) { |
|
|
|
|
|
|
60
|
|
|
$this->set_name( $name ); |
|
61
|
|
|
$this->set_label( $label ); |
|
62
|
|
|
$this->add_fields( $fields ); |
|
63
|
|
|
|
|
64
|
|
|
// Pick random ID |
|
65
|
|
|
$random_string = md5( mt_rand() . $this->get_name() . $this->get_label() ); |
|
66
|
|
|
$random_string = substr( $random_string, 0, 5 ); // 5 chars should be enough |
|
67
|
|
|
$this->group_id = 'carbon-group-' . $random_string; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* Add a group of fields. |
|
72
|
|
|
* |
|
73
|
|
|
* @param array $fields |
|
74
|
|
|
*/ |
|
75
|
|
|
public function add_fields( $fields ) { |
|
76
|
|
|
foreach ( $fields as $field ) { |
|
77
|
|
|
if ( ! is_a( $field, __NAMESPACE__ . '\\Field' ) ) { |
|
78
|
|
|
Incorrect_Syntax_Exception::raise( 'Object must be of type ' . __NAMESPACE__ . '\\Field' ); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
// verify name validity |
|
82
|
|
|
if ( preg_match( '~_\d+~', $field->get_name() ) ) { |
|
83
|
|
|
Incorrect_Syntax_Exception::raise( 'Subfield names cannot contain underscore followed by a digit(s). Replace "' . ltrim( $field->get_name(), '_' ) . '" with "' . ltrim( preg_replace( '~_+(\d+)~', '$1', $field->get_name() ), '_' ) . '"' ); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
$this->verify_unique_field_name( $field->get_name() ); |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
$this->fields = array_merge( $this->fields, $fields ); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* Fields attribute getter. |
|
94
|
|
|
* |
|
95
|
|
|
* @return array |
|
96
|
|
|
*/ |
|
97
|
|
|
public function get_fields() { |
|
98
|
|
|
return $this->fields; |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Return the names of all fields. |
|
103
|
|
|
* |
|
104
|
|
|
* @return array |
|
105
|
|
|
*/ |
|
106
|
|
|
public function get_field_names() { |
|
107
|
|
|
$names = array(); |
|
108
|
|
|
|
|
109
|
|
|
foreach ( $this->fields as $field ) { |
|
110
|
|
|
$names[] = $field->get_name(); |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
return $names; |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* Returns an array that holds the field data, suitable for JSON representation. |
|
118
|
|
|
* This data will be available in the Underscore template and the Backbone Model. |
|
119
|
|
|
* |
|
120
|
|
|
* @param bool $load Should the value be loaded from the database or use the value from the current instance. |
|
121
|
|
|
* @return array |
|
122
|
|
|
*/ |
|
123
|
|
|
public function to_json( $load ) { |
|
124
|
|
|
$fields_data = array(); |
|
125
|
|
|
|
|
126
|
|
|
foreach ( $this->get_fields() as $field ) { |
|
127
|
|
|
// The field default value should be set manually if the field is not loaded |
|
128
|
|
|
if ( ! $load ) { |
|
129
|
|
|
if ( $field->get_value() === null ) { |
|
130
|
|
|
$field->set_value( $field->get_default_value() ); |
|
131
|
|
|
} |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
$fields_data[] = $field->to_json( $load ); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
$group_data = array( |
|
138
|
|
|
'group_id' => $this->get_group_id(), |
|
139
|
|
|
'name' => $this->get_name(), |
|
140
|
|
|
'label' => $this->get_label(), |
|
141
|
|
|
'fields' => $fields_data, |
|
142
|
|
|
); |
|
143
|
|
|
|
|
144
|
|
|
return $group_data; |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
|
|
/** |
|
148
|
|
|
* Group ID attribute getter. |
|
149
|
|
|
* |
|
150
|
|
|
* @return string |
|
151
|
|
|
*/ |
|
152
|
|
|
public function get_group_id() { |
|
153
|
|
|
return $this->group_id; |
|
154
|
|
|
} |
|
155
|
|
|
|
|
156
|
|
|
/** |
|
157
|
|
|
* Set the group label. |
|
158
|
|
|
* |
|
159
|
|
|
* @param string $label If null, the label will be generated from the group name |
|
160
|
|
|
*/ |
|
161
|
|
View Code Duplication |
public function set_label( $label ) { |
|
|
|
|
|
|
162
|
|
|
// Try to guess field label from it's name |
|
163
|
|
|
if ( is_null( $label ) ) { |
|
164
|
|
|
// remove the leading underscore(if it's there) |
|
165
|
|
|
$label = preg_replace( '~^_~', '', $this->name ); |
|
166
|
|
|
|
|
167
|
|
|
// remove the leading "crb_"(if it's there) |
|
168
|
|
|
$label = preg_replace( '~^crb_~', '', $label ); |
|
169
|
|
|
|
|
170
|
|
|
// split the name into words and make them capitalized |
|
171
|
|
|
$label = ucwords( str_replace( '_', ' ', $label ) ); |
|
172
|
|
|
} |
|
173
|
|
|
|
|
174
|
|
|
$this->label = $label; |
|
175
|
|
|
} |
|
176
|
|
|
|
|
177
|
|
|
/** |
|
178
|
|
|
* Label attribute getter. |
|
179
|
|
|
* |
|
180
|
|
|
* @return string |
|
181
|
|
|
*/ |
|
182
|
|
|
public function get_label() { |
|
183
|
|
|
return $this->label; |
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
/** |
|
187
|
|
|
* Set the Underscore label template. |
|
188
|
|
|
* |
|
189
|
|
|
* @param string $template |
|
190
|
|
|
*/ |
|
191
|
|
|
public function set_label_template( $template ) { |
|
192
|
|
|
$this->label_template = $template; |
|
193
|
|
|
} |
|
194
|
|
|
|
|
195
|
|
|
/** |
|
196
|
|
|
* Set the Underscore label template. |
|
197
|
|
|
* |
|
198
|
|
|
* @return string |
|
199
|
|
|
*/ |
|
200
|
|
|
public function get_label_template() { |
|
201
|
|
|
return $this->label_template; |
|
202
|
|
|
} |
|
203
|
|
|
|
|
204
|
|
|
/** |
|
205
|
|
|
* Print the label Underscore template. |
|
206
|
|
|
*/ |
|
207
|
|
|
public function template_label() { |
|
208
|
|
|
echo $this->label_template; |
|
|
|
|
|
|
209
|
|
|
} |
|
210
|
|
|
|
|
211
|
|
|
/** |
|
212
|
|
|
* Set the group name. |
|
213
|
|
|
* |
|
214
|
|
|
* @param string $name Group name, either sanitized or not |
|
215
|
|
|
*/ |
|
216
|
|
|
public function set_name( $name ) { |
|
217
|
|
|
$name = preg_replace( '~\s+~', '_', strtolower( $name ) ); |
|
218
|
|
|
if ( substr( $name, 0, 1 ) != '_' ) { |
|
219
|
|
|
// add underscore to custom field name -- this will remove it from |
|
220
|
|
|
// custom fields list in administration |
|
221
|
|
|
$name = '_' . $name; |
|
222
|
|
|
} |
|
223
|
|
|
|
|
224
|
|
|
$this->name = $name; |
|
225
|
|
|
} |
|
226
|
|
|
|
|
227
|
|
|
/** |
|
228
|
|
|
* Return the group name. |
|
229
|
|
|
* |
|
230
|
|
|
* @return string |
|
231
|
|
|
*/ |
|
232
|
|
|
public function get_name() { |
|
233
|
|
|
return $this->name; |
|
234
|
|
|
} |
|
235
|
|
|
|
|
236
|
|
|
/** |
|
237
|
|
|
* Assign a DataStore instance for all group fields. |
|
238
|
|
|
* |
|
239
|
|
|
* @param object $store |
|
240
|
|
|
*/ |
|
241
|
|
|
public function set_datastore( Datastore_Interface $store ) { |
|
242
|
|
|
foreach ( $this->fields as $field ) { |
|
243
|
|
|
if ( ! $field->get_datastore() ) { |
|
244
|
|
|
$field->set_datastore( $store ); |
|
245
|
|
|
} |
|
246
|
|
|
} |
|
247
|
|
|
} |
|
248
|
|
|
|
|
249
|
|
|
/** |
|
250
|
|
|
* Set a prefix for all group fields. |
|
251
|
|
|
* |
|
252
|
|
|
* @param string $prefix |
|
253
|
|
|
*/ |
|
254
|
|
|
public function set_prefix( $prefix ) { |
|
255
|
|
|
foreach ( $this->fields as $field ) { |
|
256
|
|
|
$field->set_prefix( $prefix ); |
|
257
|
|
|
} |
|
258
|
|
|
} |
|
259
|
|
|
|
|
260
|
|
|
/** |
|
261
|
|
|
* Perform checks whether there is a field registered with the name $name. |
|
262
|
|
|
* If not, the field name is recorded. |
|
263
|
|
|
* |
|
264
|
|
|
* @param string $name |
|
265
|
|
|
*/ |
|
266
|
|
View Code Duplication |
public function verify_unique_field_name( $name ) { |
|
|
|
|
|
|
267
|
|
|
if ( in_array( $name, $this->registered_field_names ) ) { |
|
268
|
|
|
Incorrect_Syntax_Exception::raise( 'Field name "' . $name . '" already registered' ); |
|
269
|
|
|
} |
|
270
|
|
|
|
|
271
|
|
|
$this->registered_field_names[] = $name; |
|
272
|
|
|
} |
|
273
|
|
|
} |
|
274
|
|
|
|
Very long variable names usually make code harder to read. It is therefore recommended not to make variable names too verbose.