clientside_validation_fapi/clientside_validation_fapi.module

   1 <?php
   2 // $Id$
   3 /**
   4  * @file
   5  * Add client side validation support for fapi validation
   6  */
   7
   8 function clientside_validation_fapi_clientside_validation_form_alter(&$form, &$form_state, &$js_rules) {
   9   clientside_validation_fapi_after_build_recurse($form['#id'], $form, $form_state, $js_rules);
  10 }
  11
  12 function clientside_validation_fapi_after_build_recurse($form_id, &$form, &$form_state, &$js_rules) {
  13   if ($children = array_values(element_children($form))) {
  14     foreach ($children as $index => $item) {
  15       $element = &$form[$item];
  16       $types = array(
  17         'textfield', 'textarea', 'select', 'radio', 'checkbox', 'password', 'file', 'radios', 'checkboxes',
  18       );
  19       if (isset($element['#type']) && in_array($element['#type'], $types)) {
  20         clientside_validation_fapi_regular($form_id, $element, $js_rules);
  21       }
  22       clientside_validation_fapi_after_build_recurse($form_id, $element, $form_state, $js_rules);
  23     }
  24   }
  25 }
  26
  27 function clientside_validation_fapi_regular($form_id, $element, &$js_rules) {
  28   if (isset($element['#name']) && isset($element['#rules'])) {
  29     $el_name = $element['#name'];
  30     $el_title = $el_name;
  31     if (isset($element['#title'])) {
  32       $el_title = $element['#title'];
  33     }
  34     $data = _fapi_validation_data('rules');
  35     foreach ($element['#rules'] as $rule) {
  36       $params = array($element['#value']);
  37       $error_message = NULL;
  38
  39       // If $rule is an array, use error message if is set.
  40       if (is_array($rule)) {
  41         if (isset($rule['error'])) {
  42           $error_message = $rule['error'];
  43         }
  44
  45         if (!isset($rule['rule'])) {
  46           drupal_set_message(t('Rule array with wrong structure on %field.', array('%field' => $element['#name'])), 'error');
  47           continue;
  48         }
  49         $rule = $rule['rule'];
  50       }
  51
  52       preg_match('/^(.*?)(\[(.*)\])?$/', $rule, $rs);
  53
  54       $rule = $rs[1];
  55
  56       if (!isset($data[$rule])) {
  57         $error_message = t('Rule %rule not found!', array('%rule' => $rule));
  58         continue;
  59       }
  60
  61       // Parsing parameters.
  62       if (isset($rs[3])) {
  63         $params[] = preg_split('/ *, */', $rs[3]);
  64       }
  65       if (count($params) > 1) {
  66         $params = $params[1];
  67       }
  68       $error = is_null($error_message) ? $data[$rule]['error_msg'] : $error_message;
  69       _clientside_validation_set_fapi_validation($element, $data[$rule], $params, $js_rules, $error);
  70     }
  71   }
  72 }
  73
  74 /**
  75  * Set fapi validation.
  76  */
  77 function _clientside_validation_set_fapi_validation($element, $rule, $params, &$js_rules, $message = '') {
  78   $callback = $rule['callback'];
  79   $name = $element['#name'];
  80   $title = $name;
  81   if (isset($element['#title'])) {
  82     $title = $element['#title'];
  83   }
  84   $expressions = array(
  85     'fapi_validation_rule_alpha' => '/^[\pL]++$/uD',
  86     'fapi_validation_rule_alpha_numeric' => '/^[\pL\pN]++$/uD',
  87     'fapi_validation_rule_ipv4' => '/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])'
  88       . '(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/',
  89     'fapi_validation_rule_alpha_dash' => '/^[-\pL\pN_]+$/uD',
  90     'fapi_validation_rule_digit' => '/^\d+$/',
  91   );
  92   switch ($callback) {
  93     case 'fapi_validation_rule_alpha':
  94       $type = 'alpha';
  95     case 'fapi_validation_rule_alpha_numeric':
  96       $type = 'alpha numeric';
  97     case 'fapi_validation_rule_ipv4':
  98       $type = 'ipv4';
  99     case 'fapi_validation_rule_alpha_dash':
 100       $type = 'alpha dash';
 101     case 'fapi_validation_rule_digit':
 102       $type = 'digit';
 103     case 'fapi_validation_rule_regexp':
 104       if ($callback == 'fapi_validation_rule_regexp') {
 105         $expressions['fapi_validation_rule_regexp'] = $params[1][0];
 106         $type = 'regexp';
 107       }
 108       if (strpos($message, '%field') !== FALSE) {
 109         $message = t($message, array('%field' => variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '')));
 110       }
 111       _clientside_validation_set_regex_pcre($name, $title, $js_rules, $expressions[$callback], $message, $type);
 112
 113       break;
 114     case 'fapi_validation_rule_numeric':
 115       _clientside_validation_set_number_decimal($name, $title, '.', $js_rules);
 116       break;
 117     case 'fapi_validation_rule_email':
 118       _clientside_validation_set_email($name, $title, $js_rules);
 119       break;
 120     case 'fapi_validation_rule_length':
 121       if (count($params) == 1) {
 122         _clientside_validation_set_minmaxlength($name, $title, '', $params[0], $js_rules);
 123       }
 124       elseif (count($params) == 2) {
 125         _clientside_validation_set_minmaxlength($name, $title, $params[0], $params[1], $js_rules);
 126       }
 127       break;
 128     case 'fapi_validation_rule_url':
 129       _clientside_validation_set_url($name, $title, $js_rules);
 130       break;
 131     case 'fapi_validation_rule_chars':
 132       _clientside_validation_set_specific_values($name, $title, $params, $js_rules);
 133       break;
 134     case 'fapi_validation_rule_decimal':
 135       if (count($params) == 2) {
 136         $expression = '/^[0-9]{' . $params[0] . '}\.[0-9]{' . $params[1] . '}$/';
 137       }
 138       else {
 139         $expression = '/\d+\.\d+/';
 140       }
 141       if (strpos($message, '%field') !== FALSE) {
 142         $message = t($message, array('%field' => variable_get('clientside_validation_prefix', '') . $title . variable_get('clientside_validation_suffix', '')));
 143       }
 144       _clientside_validation_set_regex_pcre($name, $title, $js_rules, $expression, $message, 'decimal');
 145       break;
 146     default:
 147       $context = array('type' => 'fapi', 'rule' => $rule, 'message' => $message, 'params' => $params);
 148       drupal_alter('clientside_validation_rule', $js_rules, $element, $context);
 149       break;
 150   }
 151 }