|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Add validation rules to webforms
|
|
6
|
*/
|
|
7
|
|
|
8
|
include_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'webform_validation') . '/' . 'webform_validation.validators.inc';
|
|
9
|
include_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'webform_validation') . '/' . 'webform_validation.rules.inc';
|
|
10
|
|
|
11
|
/**
|
|
12
|
* Implements hook_menu().
|
|
13
|
*/
|
|
14
|
function webform_validation_menu() {
|
|
15
|
$items = array();
|
|
16
|
|
|
17
|
$items['node/%webform_menu/webform/validation'] = array(
|
|
18
|
'title' => 'Form validation',
|
|
19
|
'page callback' => 'webform_validation_manage',
|
|
20
|
'page arguments' => array(1),
|
|
21
|
'access callback' => 'node_access',
|
|
22
|
'access arguments' => array('update', 1),
|
|
23
|
'file' => 'webform_validation.admin.inc',
|
|
24
|
'weight' => 3,
|
|
25
|
'type' => MENU_LOCAL_TASK,
|
|
26
|
);
|
|
27
|
|
|
28
|
$items['node/%webform_menu/webform/validation/add/%'] = array(
|
|
29
|
'title' => 'Add validation',
|
|
30
|
'page callback' => 'drupal_get_form',
|
|
31
|
'page arguments' => array('webform_validation_manage_rule', 1, 'add', 5),
|
|
32
|
'access callback' => 'node_access',
|
|
33
|
'access arguments' => array('update', 1),
|
|
34
|
'file' => 'webform_validation.admin.inc',
|
|
35
|
'type' => MENU_CALLBACK,
|
|
36
|
);
|
|
37
|
|
|
38
|
$items['node/%webform_menu/webform/validation/edit/%/%webform_validation_rule'] = array(
|
|
39
|
'title' => 'Edit rule',
|
|
40
|
'page callback' => 'drupal_get_form',
|
|
41
|
'page arguments' => array('webform_validation_manage_rule', 1, 'edit', 5, 6),
|
|
42
|
'access callback' => 'node_access',
|
|
43
|
'access arguments' => array('update', 1),
|
|
44
|
'file' => 'webform_validation.admin.inc',
|
|
45
|
'type' => MENU_CALLBACK,
|
|
46
|
);
|
|
47
|
|
|
48
|
$items['node/%webform_menu/webform/validation/delete/%webform_validation_rule'] = array(
|
|
49
|
'title' => 'Delete rule',
|
|
50
|
'page callback' => 'drupal_get_form',
|
|
51
|
'page arguments' => array('webform_validation_delete_rule', 5),
|
|
52
|
'access callback' => 'node_access',
|
|
53
|
'access arguments' => array('update', 1),
|
|
54
|
'file' => 'webform_validation.admin.inc',
|
|
55
|
'type' => MENU_CALLBACK,
|
|
56
|
);
|
|
57
|
|
|
58
|
return $items;
|
|
59
|
}
|
|
60
|
|
|
61
|
/**
|
|
62
|
* Loads validation rule from menu parameter
|
|
63
|
*/
|
|
64
|
function webform_validation_rule_load($ruleid) {
|
|
65
|
return webform_validation_get_rule($ruleid);
|
|
66
|
}
|
|
67
|
|
|
68
|
|
|
69
|
/**
|
|
70
|
* Implements hook_theme().
|
|
71
|
*/
|
|
72
|
function webform_validation_theme() {
|
|
73
|
return array(
|
|
74
|
'webform_validation_manage_add_rule' => array(
|
|
75
|
'variables' => array(
|
|
76
|
'nid' => NULL,
|
|
77
|
),
|
|
78
|
),
|
|
79
|
'webform_validation_manage_overview' => array(
|
|
80
|
'variables' => array(
|
|
81
|
'rules' => NULL,
|
|
82
|
'node' => NULL,
|
|
83
|
),
|
|
84
|
),
|
|
85
|
);
|
|
86
|
}
|
|
87
|
|
|
88
|
/**
|
|
89
|
* Implements hook_form_alter().
|
|
90
|
*/
|
|
91
|
function webform_validation_form_alter(&$form, &$form_state, $form_id) {
|
|
92
|
if (strpos($form_id, 'webform_client_form_') !== FALSE) {
|
|
93
|
$form['#validate'][] = 'webform_validation_validate';
|
|
94
|
}
|
|
95
|
}
|
|
96
|
|
|
97
|
/**
|
|
98
|
* Webform validation handler to validate against the given rules
|
|
99
|
*/
|
|
100
|
function webform_validation_validate($form, &$form_state) {
|
|
101
|
$page_count = 1;
|
|
102
|
$nid = $form_state['values']['details']['nid'];
|
|
103
|
$node = node_load($nid);
|
|
104
|
$values = isset($form_state['values']['submitted']) ? $form_state['values']['submitted'] : NULL;
|
|
105
|
$flat_values = _webform_client_form_submit_flatten($node, $values);
|
|
106
|
$rules = webform_validation_get_node_rules($nid);
|
|
107
|
$sid = empty($form_state['values']['details']['sid']) ? 0 : $form_state['values']['details']['sid'];
|
|
108
|
|
|
109
|
// Get number of pages for this webform
|
|
110
|
if (isset($form_state['webform']['page_count'])) {
|
|
111
|
$page_count = $form_state['webform']['page_count'];
|
|
112
|
}
|
|
113
|
elseif (isset($form_state['storage']['page_count'])) {
|
|
114
|
$page_count = $form_state['storage']['page_count'];
|
|
115
|
}
|
|
116
|
|
|
117
|
// Filter out rules that don't apply to this step in the multistep form
|
|
118
|
if ($values && $page_count && $page_count > 1) {
|
|
119
|
$current_page_components = webform_validation_get_field_keys($form_state['values']['submitted'], $node);
|
|
120
|
if ($rules) {
|
|
121
|
// filter out rules that don't belong in the current step
|
|
122
|
foreach ($rules as $ruleid => $rule) {
|
|
123
|
// get all the component formkeys for this specific validation rule
|
|
124
|
$rule_formkeys = webform_validation_rule_get_formkeys($rule);
|
|
125
|
$rule_applies_to_current_page = FALSE;
|
|
126
|
if (!empty($rule_formkeys)) {
|
|
127
|
foreach ($rule_formkeys as $formkey) {
|
|
128
|
if (in_array($formkey, $current_page_components)) {
|
|
129
|
// this rule applies to the current page,
|
|
130
|
// because one of the rule components is on the page
|
|
131
|
$rule_applies_to_current_page = TRUE;
|
|
132
|
}
|
|
133
|
}
|
|
134
|
}
|
|
135
|
|
|
136
|
if (!$rule_applies_to_current_page) {
|
|
137
|
unset($rules[$ruleid]);
|
|
138
|
}
|
|
139
|
}
|
|
140
|
}
|
|
141
|
}
|
|
142
|
|
|
143
|
if ($rules) {
|
|
144
|
foreach ($rules as $rule) {
|
|
145
|
// create a list of components that need validation against this rule (component id => user submitted value)
|
|
146
|
$items = array();
|
|
147
|
foreach ($rule['components'] as $cid => $component) {
|
|
148
|
if (isset($flat_values[$cid])) {
|
|
149
|
$items[$cid] = $flat_values[$cid];
|
|
150
|
}
|
|
151
|
}
|
|
152
|
// prefix array keys to avoid reindexing by the module_invoke_all function call
|
|
153
|
$items = webform_validation_prefix_keys($items);
|
|
154
|
$component_definitions = webform_validation_prefix_keys($node->webform['components']);
|
|
155
|
$rule['sid'] = $sid;
|
|
156
|
// have the submitted values validated
|
|
157
|
$errors = module_invoke_all("webform_validation_validate", $rule['validator'], $items, $component_definitions, $rule);
|
|
158
|
if ($errors) {
|
|
159
|
$errors = webform_validation_unprefix_keys($errors);
|
|
160
|
$components = webform_validation_unprefix_keys($component_definitions);
|
|
161
|
foreach ($errors as $item_key => $error) {
|
|
162
|
// build the proper form element error key, taking into account hierarchy
|
|
163
|
$error_key = 'submitted][' . webform_validation_parent_tree($item_key, $components) . $components[$item_key]['form_key'];
|
|
164
|
form_set_error($error_key, $error);
|
|
165
|
}
|
|
166
|
}
|
|
167
|
}
|
|
168
|
}
|
|
169
|
}
|
|
170
|
|
|
171
|
/**
|
|
172
|
* Recursive helper function to get all field keys (including fields in fieldsets)
|
|
173
|
*/
|
|
174
|
function webform_validation_get_field_keys($submitted, $node) {
|
|
175
|
static $fields = array();
|
|
176
|
foreach (element_children($submitted) as $child) {
|
|
177
|
if (is_array($submitted[$child]) && element_children($submitted[$child])) {
|
|
178
|
// only keep searching recursively if it's a fieldset
|
|
179
|
$group_components = _webform_validation_get_group_types();
|
|
180
|
if (in_array(_webform_validation_get_component_type($node, $child), $group_components)) {
|
|
181
|
webform_validation_get_field_keys($submitted[$child], $node);
|
|
182
|
}
|
|
183
|
else {
|
|
184
|
$fields[$child] = $child;
|
|
185
|
}
|
|
186
|
|
|
187
|
}
|
|
188
|
else {
|
|
189
|
$fields[$child] = $child;
|
|
190
|
}
|
|
191
|
}
|
|
192
|
return $fields;
|
|
193
|
}
|
|
194
|
|
|
195
|
/**
|
|
196
|
* Recursively add the parents for the element, to be used as first argument to form_set_error
|
|
197
|
*/
|
|
198
|
function webform_validation_parent_tree($cid, $components) {
|
|
199
|
$output = '';
|
|
200
|
if ($pid = $components[$cid]['pid']) {
|
|
201
|
$output .= webform_validation_parent_tree($pid, $components);
|
|
202
|
$output .= $components[$pid]['form_key'] . '][';
|
|
203
|
}
|
|
204
|
return $output;
|
|
205
|
}
|
|
206
|
|
|
207
|
/**
|
|
208
|
* Get an array of formkeys for all components that have been assigned to a rule
|
|
209
|
*/
|
|
210
|
function webform_validation_rule_get_formkeys($rule) {
|
|
211
|
$formkeys = array();
|
|
212
|
if (isset($rule['components'])) {
|
|
213
|
foreach ($rule['components'] as $cid => $component) {
|
|
214
|
$formkeys[] = $component['form_key'];
|
|
215
|
}
|
|
216
|
}
|
|
217
|
return $formkeys;
|
|
218
|
}
|
|
219
|
|
|
220
|
/**
|
|
221
|
* Prefix numeric array keys to avoid them being reindexed by module_invoke_all
|
|
222
|
*/
|
|
223
|
function webform_validation_prefix_keys($arr) {
|
|
224
|
$ret = array();
|
|
225
|
foreach ($arr as $k => $v) {
|
|
226
|
$ret['item_' . $k] = $v;
|
|
227
|
}
|
|
228
|
return $ret;
|
|
229
|
}
|
|
230
|
|
|
231
|
/**
|
|
232
|
* Undo prefixing numeric array keys to avoid them being reindexed by module_invoke_all
|
|
233
|
*/
|
|
234
|
function webform_validation_unprefix_keys($arr) {
|
|
235
|
$ret = array();
|
|
236
|
foreach ($arr as $k => $v) {
|
|
237
|
$new_key = str_replace('item_', '', $k);
|
|
238
|
$ret[$new_key] = $v;
|
|
239
|
}
|
|
240
|
return $ret;
|
|
241
|
}
|
|
242
|
/**
|
|
243
|
* Theme the 'add rule' list
|
|
244
|
*/
|
|
245
|
function theme_webform_validation_manage_add_rule($variables) {
|
|
246
|
$nid = $variables['nid'];
|
|
247
|
$output = '';
|
|
248
|
$validators = webform_validation_get_validators();
|
|
249
|
|
|
250
|
if ($validators) {
|
|
251
|
$output = '<h3>' . t('Add a validation rule') . '</h3>';
|
|
252
|
$output .= '<dl>';
|
|
253
|
foreach ($validators as $validator_key => $validator_info) {
|
|
254
|
$item = '';
|
|
255
|
$url = 'node/' . $nid . '/webform/validation/add/' . $validator_key;
|
|
256
|
$components = ' (' . implode(', ', $validator_info['component_types']) . ')';
|
|
257
|
$item = '<dt>' . l($validator_info['name'], $url, array("query" => drupal_get_destination())) . '</dt>';
|
|
258
|
$item .= '<dd>';
|
|
259
|
if ($validator_info['description']) {
|
|
260
|
$item .= $validator_info['description'] . ' ';
|
|
261
|
}
|
|
262
|
$item .= $components . '</dd>';
|
|
263
|
$output .= $item;
|
|
264
|
}
|
|
265
|
$output .= '</dl>';
|
|
266
|
}
|
|
267
|
return $output;
|
|
268
|
}
|
|
269
|
|
|
270
|
/**
|
|
271
|
* Implements hook_webform_validation().
|
|
272
|
*/
|
|
273
|
function webform_validation_webform_validation($type, $op, $data) {
|
|
274
|
if ($type == 'rule' && in_array($op, array('add', 'edit'))) {
|
|
275
|
if (module_exists('i18nstrings') && isset($data['error_message'])) {
|
|
276
|
i18nstrings_update('webform_validation:error_message:' . $data['ruleid'] . ':message', $data['error_message']);
|
|
277
|
}
|
|
278
|
}
|
|
279
|
}
|
|
280
|
|
|
281
|
/**
|
|
282
|
* Implements hook_node_insert().
|
|
283
|
*/
|
|
284
|
function webform_validation_node_insert($node) {
|
|
285
|
if (module_exists('clone')) {
|
|
286
|
if (in_array($node->type, webform_variable_get('webform_node_types'))) {
|
|
287
|
webform_validation_node_clone($node);
|
|
288
|
}
|
|
289
|
}
|
|
290
|
}
|
|
291
|
|
|
292
|
/**
|
|
293
|
* Implements hook_node_delete().
|
|
294
|
*/
|
|
295
|
function webform_validation_node_delete($node) {
|
|
296
|
$rules = webform_validation_get_node_rules($node->nid);
|
|
297
|
if ($rules) {
|
|
298
|
foreach (array_keys($rules) as $ruleid) {
|
|
299
|
webform_dynamic_delete_rule($ruleid);
|
|
300
|
}
|
|
301
|
}
|
|
302
|
}
|
|
303
|
|
|
304
|
/**
|
|
305
|
* Adds support for node_clone module
|
|
306
|
*/
|
|
307
|
function webform_validation_node_clone($node) {
|
|
308
|
if (isset($node->clone_from_original_nid)) {
|
|
309
|
$original_nid = $node->clone_from_original_nid;
|
|
310
|
// Get existing rules for original node
|
|
311
|
$rules = webform_validation_get_node_rules($original_nid);
|
|
312
|
if ($rules) {
|
|
313
|
foreach ($rules as $orig_ruleid => $rule) {
|
|
314
|
unset($rule['ruleid']);
|
|
315
|
$rule['action'] = 'add';
|
|
316
|
$rule['nid'] = $node->nid; // attach existing rules to new node
|
|
317
|
$rule['rule_components'] = $rule['components'];
|
|
318
|
webform_validation_rule_save($rule);
|
|
319
|
}
|
|
320
|
}
|
|
321
|
}
|
|
322
|
}
|
|
323
|
|
|
324
|
/**
|
|
325
|
* Save a validation rule. Data comes from the admin form
|
|
326
|
* or nodeapi function in case of node clone
|
|
327
|
*/
|
|
328
|
function webform_validation_rule_save($values) {
|
|
329
|
// save rules data
|
|
330
|
if ($values['action'] == 'add') {
|
|
331
|
drupal_write_record('webform_validation_rule', $values);
|
|
332
|
$ruleid = $values['ruleid'];
|
|
333
|
if ($ruleid && array_filter($values['rule_components'])) {
|
|
334
|
webform_validation_save_rule_components($ruleid, array_filter($values['rule_components']));
|
|
335
|
module_invoke_all('webform_validation', 'rule', 'add', $values);
|
|
336
|
}
|
|
337
|
}
|
|
338
|
|
|
339
|
if ($values['action'] == 'edit') {
|
|
340
|
drupal_write_record('webform_validation_rule', $values, 'ruleid');
|
|
341
|
$ruleid = $values['ruleid'];
|
|
342
|
// delete earlier component records for this rule id*/
|
|
343
|
db_delete('webform_validation_rule_components')
|
|
344
|
->condition('ruleid', $ruleid)
|
|
345
|
->execute();
|
|
346
|
if ($components = array_filter($values['rule_components'])) {
|
|
347
|
webform_validation_save_rule_components($ruleid, $components);
|
|
348
|
module_invoke_all('webform_validation', 'rule', 'edit', $values);
|
|
349
|
}
|
|
350
|
}
|
|
351
|
}
|
|
352
|
|
|
353
|
/**
|
|
354
|
* Save components attached to a specific rule
|
|
355
|
*/
|
|
356
|
function webform_validation_save_rule_components($ruleid, $components) {
|
|
357
|
foreach ($components as $cid => $component) {
|
|
358
|
$id = db_insert('webform_validation_rule_components')
|
|
359
|
->fields(array(
|
|
360
|
'ruleid' => $ruleid,
|
|
361
|
'cid' => $cid,
|
|
362
|
))
|
|
363
|
->execute();
|
|
364
|
}
|
|
365
|
}
|
|
366
|
|
|
367
|
/**
|
|
368
|
* Given a webform node, get the component type based on a given component key
|
|
369
|
*/
|
|
370
|
function _webform_validation_get_component_type($node, $component_key) {
|
|
371
|
if ($node->webform['components']) {
|
|
372
|
foreach ($node->webform['components'] as $component) {
|
|
373
|
if ($component['form_key'] == $component_key) {
|
|
374
|
return $component['type'];
|
|
375
|
}
|
|
376
|
}
|
|
377
|
}
|
|
378
|
return FALSE;
|
|
379
|
}
|
|
380
|
|
|
381
|
/**
|
|
382
|
* Get all webform components that are defined as a group
|
|
383
|
*/
|
|
384
|
function _webform_validation_get_group_types() {
|
|
385
|
$types = array();
|
|
386
|
foreach (webform_components() as $name => $component) {
|
|
387
|
if (isset($component['features']['group']) && $component['features']['group']) {
|
|
388
|
$types[] = $name;
|
|
389
|
}
|
|
390
|
}
|
|
391
|
return $types;
|
|
392
|
}
|
|
393
|
|
|
394
|
/**
|
|
395
|
* Implements hook_webform_validator_alter().
|
|
396
|
*/
|
|
397
|
function webform_validation_webform_validator_alter(&$validators) {
|
|
398
|
// Add support for the Select (or Other) module
|
|
399
|
if (module_exists('select_or_other')) {
|
|
400
|
// if this module exists, all select components can now except user input.
|
|
401
|
// Thus we provide those components the same rules as a textfield
|
|
402
|
if ($validators) {
|
|
403
|
foreach ($validators as $validator_name => $validator_info) {
|
|
404
|
if (in_array('textfield', $validator_info['component_types'])) {
|
|
405
|
$validators[$validator_name]['component_types'][] = 'select';
|
|
406
|
}
|
|
407
|
}
|
|
408
|
}
|
|
409
|
}
|
|
410
|
}
|
