clientside_validation.module 22.5 KB
Newer Older
Peter Droogmans's avatar
Peter Droogmans committed
1
<?php
Jelle's avatar
Jelle committed
2
// $Id$
Peter Droogmans's avatar
Peter Droogmans committed
3
4
/**
 * @file
5
 * Add client side validation to forms.
Peter Droogmans's avatar
Peter Droogmans committed
6
7
 */

Peter Droogmans's avatar
Peter Droogmans committed
8
9
10
11
/**
 * Implements hook_menu().
 */
function clientside_validation_menu() {
12
13
14
15
16
17
18
19
20
21
  $items['admin/config/validation'] = array(
    'title' => 'Validation',
    'description' => 'Validation settings.',
    'position' => 'right',
    'weight' => -10,
    'page callback' => 'drupal_get_form',
    'page arguments' => array('clientside_validation_admin_settings'),
    'access arguments' => array('access administration pages'),
  );
  $items['admin/config/validation/clientside_validation'] = array(
Peter Droogmans's avatar
Peter Droogmans committed
22
23
24
25
26
    'title' => 'Clientside Validation',
    'description' => 'Administer clientside validation.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('clientside_validation_admin_settings'),
    'access arguments' => array('administer site configuration'),
Jelle Sebreghts's avatar
Jelle Sebreghts committed
27
  );
28
  $items['clientside_validation/ajax'] = array(
Jelle Sebreghts's avatar
Jelle Sebreghts committed
29
30
31
32
    'title' => 'Clientside validation ajax callback',
    'page callback' => '_clientside_validation_ajax_call',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
Peter Droogmans's avatar
Peter Droogmans committed
33
34
35
36
  );
  return $items;
}

Jelle Sebreghts's avatar
Jelle Sebreghts committed
37
function _clientside_validation_ajax_call() {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
  $param = $_POST['param'];
  $value = $_POST['value'];
  $result = array();
  foreach ($param['expressions'] as $key => $regex) {
    if (!(bool) preg_match($regex, (string) $value)) {
      $result =  array('result' => FALSE, 'message' => $param['messages'][$key]);
      break;
    }
  }
  if (empty($result)) {
    $result = array('result' => TRUE);
  }
  drupal_json_output($result);
}


Peter Droogmans's avatar
Peter Droogmans committed
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
function clientside_validation_admin_settings() {
  $form['clientside_validation'] = array(
    '#type' => 'fieldset',
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
    '#title' => t('Field name formatting'),
    '#description' => t('You can define the prefix and suffix of the field names in the error messages here.'),
  );
  $form['clientside_validation']['clientside_validation_prefix'] = array(
    '#title' => t('Field name prefix'),
    '#description' => t('The prefix of the field name in the error messages.'),
    '#type' => 'textfield',
    '#default_value' => variable_get('clientside_validation_prefix', ''),
  );
  $form['clientside_validation']['clientside_validation_suffix'] = array(
    '#title' => t('Field name suffix'),
    '#description' => t('The suffix of the field name in the error messages.'),
    '#type' => 'textfield',
    '#default_value' => variable_get('clientside_validation_suffix', ''),
  );
  $form['clientside_validation']['example_image'] = array(
    '#type' => 'item',
    '#title' => t('Example'),
77
    '#markup' => '<img id="clientside_validation_example_image" src="' . base_path() . drupal_get_path('module', 'clientside_validation') . '/errormsg.png" alt="' . t('Error message example') . '" />',
Peter Droogmans's avatar
Peter Droogmans committed
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
    '#description' => t('Filling in double quotes in both the above fields will give this result.'),
  );

  $form['clientside_validation_min'] = array(
    '#type' => 'fieldset',
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
    '#title' => t('Use minified version of jquery.validate.js'),
    '#description' => t('You can use the minified version of the library.'),
  );
  $form['clientside_validation_min']['clientside_validation_use_minified'] = array(
    '#type' => 'radios',
    '#options' => array(
      '0' => t('No'), 
      '1' => t('Yes')
    ),
    '#default_value' => variable_get('clientside_validation_use_minified', 0), 
    '#title' => t('Use minified version?'),
  );
97

98
  $form['clientside_validation_include_hidden'] = array(
99
100
101
    '#type' => 'fieldset',
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
102
    '#title' => t('Behaviour for hidden fields'),
103
  );
104

105
  $form['clientside_validation_include_hidden']['clientside_validation_include_hidden'] = array(
106
107
    '#type' => 'textarea',
    '#default_value' => variable_get('clientside_validation_include_hidden', ''),
108
109
110
    '#title' => t("Don't ignore hidden fields on the following forms"),
    '#description' => t('You can specify form IDs (one per line) of forms that should have hidden elements validated.'),
  );
111

112
113
  $form['clientside_validation_include_hidden']['clientside_validation_validate_tabs'] = array(
    '#type' => 'checkbox',
114
    '#default_value' => variable_get('clientside_validation_validate_tabs', 1),
115
116
117
118
    '#title' => t('Validate all vertical tabs'),
    '#description' => t('If you check this, all tabs will be validated on submit
                      (including the hidden ones). Warning: if there are other hidden
                      fields (e.g. conditional fields), those will be validated too.'),
119
  );
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
  
  $form['clientside_validation_validate_forms'] = array(
    '#type' => 'fieldset',
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
    '#title' => t('Forms to validate'),
  );

  $form['clientside_validation_validate_forms']['clientside_validation_validate_all'] = array(
    '#type' => 'checkbox',
    '#default_value' => variable_get('clientside_validation_validate_all', 1),
    '#title' => t('Validate all forms'),
  );

  $form['clientside_validation_validate_forms']['clientside_validation_validate_specific'] = array(
    '#type' => 'textarea',
    '#default_value' => variable_get('clientside_validation_validate_specific', ''),
    '#title' => t("Only validate these specific forms"),
    '#description' => t('You can specify form IDs (one per line) of forms that should be validated.'),
    '#states' => array(
      'invisible' => array(
       'input[name="clientside_validation_validate_all"]' => array('checked' => TRUE),
      ),
    ),
  );
145

Peter Droogmans's avatar
Peter Droogmans committed
146
147
148
  return system_settings_form($form);
}

Peter Droogmans's avatar
Peter Droogmans committed
149
/**
150
 * Implementation of hook_form_alter().
Peter Droogmans's avatar
Peter Droogmans committed
151
 */
152
function clientside_validation_form_alter(&$form, &$form_state, $form_id) {
153
154
155
156
157
  $validate_specific_setting = variable_get('clientside_validation_validate_specific', '');
  $validate_specific = preg_split('/(\r\n?|\n)/', $validate_specific_setting, -1, PREG_SPLIT_NO_EMPTY);
  if (!variable_get('clientside_validation_validate_all', 1) && !in_array($form_id, $validate_specific)) {
    return;
  }
158
159
  if (strpos($form_id, 'webform_client_form') !== FALSE) {
    if (isset($form['actions']['previous'])) {
160
      $form['actions']['previous']['#attributes']['class'][] = 'cancel';
161
    }
162
    $form['#after_build'][] = 'clientside_validation_webform_after_build';
163
  }
164
  else {
165
166
167
    if (isset($form['actions']['delete'])) {
      $form['actions']['delete']['#attributes']['class'][] = 'cancel';
    }
168
169
170
171
172
173
174
175
176
177
    switch ($form['#id']) {
      case 'node-form':
      case 'webform-component-edit-form':
        $form['#after_build'][] = 'clientside_validation_form_after_build';
        break;
      default:
        $form['#after_build'][] = 'clientside_validation_form_after_build';
        break;
    }
  }
178
179
180
181
182
183
184
185

  // Add a setting for this form if the hidden elements should still be validated
  $include_hidden_setting = variable_get('clientside_validation_include_hidden', '');
  $include_hidden = preg_split('/(\r\n?|\n)/', $include_hidden_setting, -1, PREG_SPLIT_NO_EMPTY);
  if (in_array($form_id, $include_hidden)) {
    $setting['clientsideValidation']['forms'][$form['#id']]['includeHidden'] = TRUE;
    drupal_add_js($setting, 'setting');
  }
186
187
188
189
190
191
192
193
}

/**
 * Webform.
 */
function clientside_validation_webform_after_build(&$form, &$form_state) {
  $js_rules = array();
  drupal_alter("clientside_validation_webform", $form, $form_state, $js_rules);
Peter Droogmans's avatar
Peter Droogmans committed
194
  if (!empty($js_rules)) {
Jelle's avatar
Jelle committed
195
    $settings['clientsideValidation']['general'] = array(
Peter Droogmans's avatar
Peter Droogmans committed
196
197
      "errorClass" => "error",
      "wrapper" => "li",
Jelle Sebreghts's avatar
Jelle Sebreghts committed
198
      "validateTabs" =>  variable_get('clientside_validation_validate_tabs', 1),
Peter Droogmans's avatar
Peter Droogmans committed
199
200
201
202
203
    );
    $settings['clientsideValidation']['forms'][$form['#id']]['settings'] = array(
      "errorContainer" => "#formerrors-" . $form['#id'],
      "errorLabelContainer" => "#formerrors-" . $form['#id'] . " ul",
    );
Jelle's avatar
Jelle committed
204
    foreach ($js_rules as $key => $rule) {
Peter Droogmans's avatar
Peter Droogmans committed
205
206
207
208
209
210
211
212
213
214
215
216
217
218
      if (isset($rule['checkboxgroupminmax'])) {
        $settings['clientsideValidation']['forms'][$form['#id']]['checkboxrules'][$key] = array(
            'checkboxgroupminmax' => $rule['checkboxgroupminmax'],
            'messages' => array('checkboxgroupminmax' => $rule['messages']['checkboxgroupminmax'])
        );
        unset($rule['checkboxgroupminmax']);
        unset($rule['messages']['checkboxgroupminmax']);
        if (empty($rule['messages'])) {
          unset($rule['messages']);
        }
      }
      if (!empty($rule)) {
        $settings['clientsideValidation']['forms'][$form['#id']]['rules'][$key] = $rule;
      }
Peter Droogmans's avatar
Peter Droogmans committed
219
    }
Peter Droogmans's avatar
Peter Droogmans committed
220
221
222
223
224
225
226
    
    if (variable_get('clientside_validation_use_minified', 0) == 0) {
      drupal_add_js(drupal_get_path('module', 'clientside_validation') . '/jquery-validate/jquery.validate.js');
    }
    else {
      drupal_add_js(drupal_get_path('module', 'clientside_validation') . '/jquery-validate/jquery.validate.min.js');
    }
Peter Droogmans's avatar
Peter Droogmans committed
227
    drupal_add_js(drupal_get_path('module', 'clientside_validation') . '/clientside_validation.js');
Peter Droogmans's avatar
Peter Droogmans committed
228
229
230
231
232
233
    drupal_add_js($settings, 'setting');
  }
  return $form;
}

/**
234
 * Regular form.
Peter Droogmans's avatar
Peter Droogmans committed
235
236
237
 */
function clientside_validation_form_after_build(&$form, &$form_state) {
  static $js_rules = array();
238
  drupal_alter("clientside_validation_form", $form, $form_state, $js_rules);
Peter Droogmans's avatar
Peter Droogmans committed
239
  if (!empty($js_rules)) {
Jelle's avatar
Jelle committed
240
    $settings['clientsideValidation']['general'] = array(
Peter Droogmans's avatar
Peter Droogmans committed
241
242
      "errorClass" => "error",
      "wrapper" => "li",
243
      "validateTabs" =>  variable_get('clientside_validation_validate_tabs', 1),
Peter Droogmans's avatar
Peter Droogmans committed
244
245
246
247
248
    );
    $settings['clientsideValidation']['forms'][$form['#id']]['settings'] = array(
      "errorContainer" => "#formerrors-" . $form['#id'],
      "errorLabelContainer" => "#formerrors-" . $form['#id'] . " ul",
    );
Jelle's avatar
Jelle committed
249
    foreach ($js_rules as $key => $rule) {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
250
251
252
253
254
255
256
257
258
259
260
261
262
263
      if (isset($rule['checkboxgroupminmax'])) {
        $settings['clientsideValidation']['forms'][$form['#id']]['checkboxrules'][$key] = array(
            'checkboxgroupminmax' => $rule['checkboxgroupminmax'],
            'messages' => array('checkboxgroupminmax' => $rule['messages']['checkboxgroupminmax'])
        );
        unset($rule['checkboxgroupminmax']);
        unset($rule['messages']['checkboxgroupminmax']);
        if (empty($rule['messages'])) {
          unset($rule['messages']);
        }
      }
      if (!empty($rule)) {
        $settings['clientsideValidation']['forms'][$form['#id']]['rules'][$key] = $rule;
      }
Peter Droogmans's avatar
Peter Droogmans committed
264
    }
Peter Droogmans's avatar
Peter Droogmans committed
265
266
267
268
269
270
    if (variable_get('clientside_validation_use_minified', 0) == 0) {
      drupal_add_js(drupal_get_path('module', 'clientside_validation') . '/jquery-validate/jquery.validate.js');
    }
    else {
      drupal_add_js(drupal_get_path('module', 'clientside_validation') . '/jquery-validate/jquery.validate.min.js');
    }
Peter Droogmans's avatar
Peter Droogmans committed
271
    drupal_add_js(drupal_get_path('module', 'clientside_validation') . '/clientside_validation.js');
Peter Droogmans's avatar
Peter Droogmans committed
272
273
274
    drupal_add_js($settings, 'setting');
  }

275
  return $form;
Peter Droogmans's avatar
Peter Droogmans committed
276
277
}

278
279
280
/**
 * Set validation rule for required fields.
 */
Jelle's avatar
Jelle committed
281
function _clientside_validation_set_required($name, $title, $required, &$js_rules, $message = '') {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
282
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
Peter Droogmans's avatar
Peter Droogmans committed
283
284
  if ($required) {
    $js_rules[$name]['required'] = TRUE;
285
    $js_rules[$name]['messages']['required'] = (empty($message)) ? t('!name field is required.', array('!name' => $title)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
286
287
288
  }
}

289
290
291
/**
 * Set validation rule for number fields.
 */
Jelle's avatar
Jelle committed
292
function _clientside_validation_set_number($name, $title, $decimalpoint, &$js_rules) {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
293
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
Peter Droogmans's avatar
Peter Droogmans committed
294
295
296
297
  $js_rules[$name]['digits_negative'] = TRUE;
  $js_rules[$name]['messages']['digits_negative'] = t('!name field accepts only numbers.', array('!name' => $title));
}

298
299
300
/**
 * Set validation rule for decimal fields.
 */
301
function _clientside_validation_set_number_decimal($name, $title, $decimalpoint, &$js_rules) {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
302
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
Peter Droogmans's avatar
Peter Droogmans committed
303
304
305
306
307
308
309
310
311
312
  if ($decimalpoint == '.') {
    $js_rules[$name]['number'] = TRUE;
    $js_rules[$name]['messages']['number'] = t('!name field accepts only numbers (use a \'.\' as decimal point).', array('!name' => $title));
  }
  else {
    $js_rules[$name]['numberDE'] = TRUE;
    $js_rules[$name]['messages']['numberDE'] = t('!name field accepts only numbers (use a \',\' as decimal point).', array('!name' => $title));
  }
}

313
314
315
/**
 * Set validation rule for fields with a minimum and/or a maximum value.
 */
Jelle's avatar
Jelle committed
316
function _clientside_validation_set_minmax($name, $title, $min, $max, &$js_rules, $message = '') {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
317
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
Peter Droogmans's avatar
Peter Droogmans committed
318
319
  if (isset($min) && $min != '' && isset($max) && $max != '') {
    $js_rules[$name]['range'] = array($min, $max);
320
    $js_rules[$name]['messages']['range'] = (empty($message)) ? t('!name field has to be between !min and !max.', array('!name' => $title, '!min' => $min, '!max' => $max)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
321
  }
Jelle's avatar
Jelle committed
322
  elseif (isset($min) && $min != '') {
Peter Droogmans's avatar
Peter Droogmans committed
323
    $js_rules[$name]['min'] = $min;
324
    $js_rules[$name]['messages']['min'] = (empty($message)) ? t('!name field has to be greater than !min.', array('!name' => $title, '!min' => $min)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
325
  }
Jelle's avatar
Jelle committed
326
  elseif (isset($max) && $max != '') {
Peter Droogmans's avatar
Peter Droogmans committed
327
    $js_rules[$name]['max'] = $max;
328
    $js_rules[$name]['messages']['max'] = (empty($message)) ? t('!name field has to be smaller than !max.', array('!name' => $title, '!max' => $max)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
329
330
331
  }
}

332
333
334
/**
 * Set validation rule for fields with a minimum and/or maximum length.
 */
Jelle's avatar
Jelle committed
335
function _clientside_validation_set_minmaxlength($name, $title, $min, $max, &$js_rules, $message = '') {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
336
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
Jelle Sebreghts's avatar
Jelle Sebreghts committed
337
  if ($max == 1) {
338
339
    $max = '';
  }
Peter Droogmans's avatar
Peter Droogmans committed
340
341
  if (isset($min) && $min != '' && isset($max) && $max != '') {
    $js_rules[$name]['rangelength'] = array($min, $max);
342
    $js_rules[$name]['messages']['rangelength'] = (empty($message)) ? t('!name field has to have between !min and !max values.', array('!name' => $title, '!min' => $min, '!max' => $max)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
343
  }
Jelle's avatar
Jelle committed
344
  elseif (isset($min) && $min != '') {
Peter Droogmans's avatar
Peter Droogmans committed
345
    $js_rules[$name]['minlength'] = $min;
346
    $js_rules[$name]['messages']['minlength'] = (empty($message)) ? t('!name field has to have minimal !min values.', array('!name' => $title, '!min' => $min)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
347
  }
Jelle's avatar
Jelle committed
348
  elseif (isset($max) && $max != '') {
Peter Droogmans's avatar
Peter Droogmans committed
349
    $js_rules[$name]['maxlength'] = $max;
350
    $js_rules[$name]['messages']['maxlength'] = (empty($message)) ? t('!name field has to have maximum !max values.', array('!name' => $title, '!max' => $max)) : $message;
Peter Droogmans's avatar
Peter Droogmans committed
351
352
353
  }
}

354
355
356
/**
 * Set validation rule for required fields that must equal a value from an other field.
 */
Jelle's avatar
Jelle committed
357
function _clientside_validation_set_equal($name, $title, $value, &$js_rules) {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
358
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
359
360
361
362
363
364
365
  $js_rules[$name]['equalTo'] = ':input[name=\'submitted[' . $value['form_key'] . ']\']';
  $js_rules[$name]['messages']['equalTo'] = t('!name field has to be equal to !firstone.', array('!name' => $title, '!firstone' => $value['name']));
}

/**
 * Set validation rule for fields that can not be equal to a value from an other field.
 */
Jelle's avatar
Jelle committed
366
function _clientside_validation_set_not_equal($name, $title, $value, &$js_rules, $message = '') {
367
  $js_rules[$name]['notEqualTo'] = ':input[name=\'submitted[' . $value['form_key'] . ']\']';
Jelle Sebreghts's avatar
Jelle Sebreghts committed
368
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
369
370
371
372
373
374
375
  $message = empty($message) ? t('!name field has to different from !firstone.', array('!name' => $title, '!firstone' => $value['name'])) : $message;
  $js_rules[$name]['messages']['notEqualTo'] = $message;
}

/**
 * Set validation rule for fields that must be equal to a specific value.
 */
Jelle's avatar
Jelle committed
376
function _clientside_validation_set_specific_value($name, $title, $value, &$js_rules, $message = '') {
377
  $js_rules[$name]['oneOf'] = $value;
Jelle Sebreghts's avatar
Jelle Sebreghts committed
378
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
379
380
381
382
  $message = empty($message) ? t('!name field has to different from !firstone.', array('!name' => $title, '!firstone' => $value['name'])) : $message;
  $js_rules[$name]['messages']['oneOf'] = $message;
}

383
384
385
386
387
388
389
390
391
392
/**
 * Set validation rule for fields that consist of one or more of specific values (e.g. string with only a, b and c in it).
 */
function _clientside_validation_set_specific_values($name, $title, $values, &$js_rules, $message = '') {
  $js_rules[$name]['specificVals'] = $values;
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
  $message = empty($message) ? t('!name field must consist of following elements only: !elements.', array('!name' => $title, '!elements' => implode(', ', $values))) : $message;
  $js_rules[$name]['messages']['specificVals'] = $message;
}

393
394
395
/**
 * Set validation rule for ean number fields.
 */
Jelle's avatar
Jelle committed
396
function _clientside_validation_set_ean($name, $title, &$js_rules, $message = '') {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
397
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
398
399
  $message = empty($message) ? t('!name field is not a valid EAN number.', array('!name' => $title)) : $message;
  $js_rules[$name]['validEAN'] = TRUE;
Peter Droogmans's avatar
Peter Droogmans committed
400
  $js_rules[$name]['messages']['validEAN'] = $message;
Peter Droogmans's avatar
Peter Droogmans committed
401
402
}

403
404
405
/**
 * Set validation rule for fields with regex validation from webform_validation
 */
406
function _clientside_validation_set_regex($name, $title, &$js_rules, $expression, $message = '', $modifiers = "") {
407
408
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
  $message = empty($message) ? t('!name field is not a valid EAN number.', array('!name' => $title)) : $message;
409
  $js_rules[$name]['regexMatch'] = array($expression);
Jelle Sebreghts's avatar
Jelle Sebreghts committed
410
  if (!empty($modifiers)) {
411
412
    $js_rules[$name]['regexMatch'][] = $modifiers;
  }
413
414
415
  $js_rules[$name]['messages']['regexMatch'] = $message;
}

Jelle Sebreghts's avatar
Jelle Sebreghts committed
416
417
418
419
420
421
422
423
424
425
/**
 * Set validation rule for fields with regex validation from webform_validation
 */
function _clientside_validation_set_regex_pcre($name, $title, &$js_rules, $expression, $message = '') {
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
  $message = empty($message) ? t('!name field is not a valid EAN number.', array('!name' => $title)) : $message;
  $js_rules[$name]['regexMatchPCRE']['expressions'][] = $expression;
    $js_rules[$name]['regexMatchPCRE']['messages'][] = $message;
}

426
427
428
/**
 * Set validation rule for file fields that must have a certain extension.
 */
Jelle's avatar
Jelle committed
429
function _clientside_validation_set_extensions($name, $extensions, &$js_rules) {
430
431
432
433
434
435
436
437
  $extension_list = preg_replace('#,(?![^,]+,)#', ' or', implode(', ', $extensions));
  $js_rules[$name]['accept'] = implode('|', $extensions);
  $js_rules[$name]['messages']['accept'] = t("Only files with a %exts extension are allowed.", array('%exts' => $extension_list));
}

/**
 * Set validation rule for checkboxes.
 */
Jelle Sebreghts's avatar
Jelle Sebreghts committed
438
439
function _clientside_validation_set_checkboxgroup_minmax($name, $title, $id, &$js_rules, $min = 1, $max = 99) {
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
440
  $js_rules[$name]['checkboxgroupminmax'] = array($min, $max, $id);
Jelle Sebreghts's avatar
Jelle Sebreghts committed
441
  $js_rules[$name]['messages']['checkboxgroupminmax'] = t('!name field is required.', array('!name' => $title));
442
443
444
445
446
}

/**
 * Set validation rule for email fields.
 */
Jelle's avatar
Jelle committed
447
function _clientside_validation_set_email($name, $title, &$js_rules) {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
448
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
449
450
451
452
  $js_rules[$name]['email'] = TRUE;
  $js_rules[$name]['messages']['email'] = t('The value in !name is not a valid email address.', array('!name' => $title));
}

453
454
455
/**
 * Set validation rule for url fields.
 */
Jelle Sebreghts's avatar
Jelle Sebreghts committed
456
function _clientside_validation_set_url($name, $title, &$js_rules) {
457
458
459
460
461
462
  $title = variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '');
  $js_rules[$name]['url'] = TRUE;
  $js_rules[$name]['messages']['url'] = t('The value in !name is not a valid url.', array('!name' => $title));
}

/**
Jelle Sebreghts's avatar
Jelle Sebreghts committed
463
 * Set fapi validation.
464
 */
Jelle Sebreghts's avatar
Jelle Sebreghts committed
465
function _clientside_validation_set_fapi_validation($name, $title, $callback, $params, &$js_rules, $message = '') {
466
  $expressions = array(
Jelle Sebreghts's avatar
Jelle Sebreghts committed
467
468
469
470
471
472
    'fapi_validation_rule_alpha' => '/^[\pL]++$/uD',
    'fapi_validation_rule_alpha_numeric' => '/^[\pL\pN]++$/uD',
    'fapi_validation_rule_ipv4' => '/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])'
      . '(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/',
    'fapi_validation_rule_alpha_dash' => '/^[-\pL\pN_]+$/uD',
    'fapi_validation_rule_digit' => '/^\d+$/',
473
474
475
476
477
478
479
480
  );
  switch ($callback) {
    case 'fapi_validation_rule_alpha':
    case 'fapi_validation_rule_alpha_numeric':
    case 'fapi_validation_rule_ipv4':
    case 'fapi_validation_rule_alpha_dash':
    case 'fapi_validation_rule_digit':
    case 'fapi_validation_rule_regexp':
Jelle Sebreghts's avatar
Jelle Sebreghts committed
481
      if ($callback == 'fapi_validation_rule_regexp') {
Jelle Sebreghts's avatar
Jelle Sebreghts committed
482
        $expressions['fapi_validation_rule_regexp'] = $params[1][0];
483
484
      }
      $message = t($message, array('%field' => $title));
Jelle Sebreghts's avatar
Jelle Sebreghts committed
485
      _clientside_validation_set_regex_pcre($name, $title, $js_rules, $expressions[$callback], $message);
486
487
488
489
490
491
492
493
494

      break;
    case 'fapi_validation_rule_numeric':
      _clientside_validation_set_number($name, $title, '.', $js_rules);
      break;
    case 'fapi_validation_rule_email':
      _clientside_validation_set_email($name, $title, $js_rules);
      break;
    case 'fapi_validation_rule_length':
Jelle Sebreghts's avatar
Jelle Sebreghts committed
495
      if (count($params[1]) == 1) {
496
497
        _clientside_validation_set_minmaxlength($name, $title, '', $params[1][0], $js_rules);
      }
Jelle Sebreghts's avatar
Jelle Sebreghts committed
498
      elseif (count($params[1]) == 2) {
499
500
501
502
503
504
505
506
507
508
        _clientside_validation_set_minmaxlength($name, $title, $params[1][0], $params[1][1], $js_rules);
      }
      break;
    case 'fapi_validation_rule_url':
      _clientside_validation_set_url($name, $title, $js_rules);
      break;
    case 'fapi_validation_rule_chars':
      _clientside_validation_set_specific_values($name, $title, $params[1], $js_rules);
      break;
    case 'fapi_validation_rule_decimal':
Jelle Sebreghts's avatar
Jelle Sebreghts committed
509
      $message = t($message, array('%field' => $title));
Jelle Sebreghts's avatar
Jelle Sebreghts committed
510
511
      if (count($params[1]) == 2) {
        $expression = '/^[0-9]{' . $params[1][0] . '}\.[0-9]{' . $params[1][1] . '}$/';
Jelle Sebreghts's avatar
Jelle Sebreghts committed
512
513
514
515
516
      }
      else {
        $expression = '/\d+\.\d+/';
      }
      _clientside_validation_set_regex_pcre($name, $title, $js_rules, $expression, $message);
517
518
519
520
521
522
      break;
    default:
      break;
  }
}

523
524
525
function clientside_validation_drupal_json_encode($var) {
  return str_replace(array('<', '>', '&'), array('\u003c', '\u003e', '\u0026'), json_encode($var));
}