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<?php
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/**
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* @file
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* Add validation rules to webforms
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*/
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e4c061ad
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Assos Assos
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include_once('webform_validation.validators.inc');
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include_once('webform_validation.rules.inc');
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85ad3d82
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Assos Assos
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/**
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* Implements hook_menu().
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*/
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function webform_validation_menu() {
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$items = array();
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$items['node/%webform_menu/webform/validation'] = array(
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'title' => 'Form validation',
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'page callback' => 'webform_validation_manage',
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'page arguments' => array(1),
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'access callback' => 'node_access',
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'access arguments' => array('update', 1),
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'file' => 'webform_validation.admin.inc',
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'weight' => 3,
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'type' => MENU_LOCAL_TASK,
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);
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$items['node/%webform_menu/webform/validation/add/%'] = array(
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'title' => 'Add validation',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('webform_validation_manage_rule', 1, 'add', 5),
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'access callback' => 'node_access',
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'access arguments' => array('update', 1),
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'file' => 'webform_validation.admin.inc',
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'type' => MENU_CALLBACK,
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);
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$items['node/%webform_menu/webform/validation/edit/%/%webform_validation_rule'] = array(
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'title' => 'Edit rule',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('webform_validation_manage_rule', 1, 'edit', 5, 6),
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'access callback' => 'node_access',
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'access arguments' => array('update', 1),
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'file' => 'webform_validation.admin.inc',
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'type' => MENU_CALLBACK,
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);
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$items['node/%webform_menu/webform/validation/delete/%webform_validation_rule'] = array(
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'title' => 'Delete rule',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('webform_validation_delete_rule', 5),
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'access callback' => 'node_access',
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'access arguments' => array('update', 1),
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'file' => 'webform_validation.admin.inc',
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'type' => MENU_CALLBACK,
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);
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return $items;
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}
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/**
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* Loads validation rule from menu parameter
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*/
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function webform_validation_rule_load($ruleid) {
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return webform_validation_get_rule($ruleid);
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}
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/**
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* Implements hook_theme().
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*/
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function webform_validation_theme() {
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return array(
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'webform_validation_manage_add_rule' => array(
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'variables' => array(
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'nid' => NULL,
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),
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),
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a2baadd1
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'webform_validation_manage_overview_form' => array(
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'render element' => 'form',
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85ad3d82
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),
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);
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}
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/**
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* Implements hook_form_alter().
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*/
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function webform_validation_form_alter(&$form, &$form_state, $form_id) {
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if (strpos($form_id, 'webform_client_form_') !== FALSE) {
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$form['#validate'][] = 'webform_validation_validate';
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}
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}
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a2baadd1
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/**
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* Implements hook_i18n_string_info().
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*/
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function webform_validation_i18n_string_info() {
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$groups = array();
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$groups['webform_validation'] = array(
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'title' => t('Webform Validation'),
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'description' => t('Translatable strings for webform validation translation'),
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'format' => FALSE, // This group doesn't have strings with format
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'list' => FALSE, // This group cannot list all strings
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'refresh callback' => 'webform_validation_i18n_string_refresh',
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);
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return $groups;
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}
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85ad3d82
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/**
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* Webform validation handler to validate against the given rules
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*/
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function webform_validation_validate($form, &$form_state) {
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$page_count = 1;
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$nid = $form_state['values']['details']['nid'];
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$node = node_load($nid);
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$values = isset($form_state['values']['submitted']) ? $form_state['values']['submitted'] : NULL;
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$flat_values = _webform_client_form_submit_flatten($node, $values);
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$rules = webform_validation_get_node_rules($nid);
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$sid = empty($form_state['values']['details']['sid']) ? 0 : $form_state['values']['details']['sid'];
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// Get number of pages for this webform
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if (isset($form_state['webform']['page_count'])) {
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$page_count = $form_state['webform']['page_count'];
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}
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elseif (isset($form_state['storage']['page_count'])) {
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$page_count = $form_state['storage']['page_count'];
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}
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// Filter out rules that don't apply to this step in the multistep form
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if ($values && $page_count && $page_count > 1) {
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$current_page_components = webform_validation_get_field_keys($form_state['values']['submitted'], $node);
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if ($rules) {
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// filter out rules that don't belong in the current step
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foreach ($rules as $ruleid => $rule) {
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// get all the component formkeys for this specific validation rule
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$rule_formkeys = webform_validation_rule_get_formkeys($rule);
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$rule_applies_to_current_page = FALSE;
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if (!empty($rule_formkeys)) {
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foreach ($rule_formkeys as $formkey) {
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if (in_array($formkey, $current_page_components)) {
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// this rule applies to the current page,
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// because one of the rule components is on the page
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$rule_applies_to_current_page = TRUE;
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}
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}
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}
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if (!$rule_applies_to_current_page) {
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unset($rules[$ruleid]);
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}
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}
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}
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}
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if ($rules) {
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e4c061ad
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Assos Assos
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$component_definitions = webform_validation_prefix_keys($node->webform['components']);
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// Remove hidden components.
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foreach ($component_definitions as $key => $component) {
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if (_webform_client_form_rule_check($node, $component, 0, $form_state['values']['submitted']) !== WEBFORM_CONDITIONAL_INCLUDE) {
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unset($flat_values[$key]);
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}
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}
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85ad3d82
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foreach ($rules as $rule) {
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// create a list of components that need validation against this rule (component id => user submitted value)
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$items = array();
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foreach ($rule['components'] as $cid => $component) {
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a2baadd1
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if (array_key_exists($cid, $flat_values)) {
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85ad3d82
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$items[$cid] = $flat_values[$cid];
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}
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}
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// prefix array keys to avoid reindexing by the module_invoke_all function call
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$items = webform_validation_prefix_keys($items);
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$rule['sid'] = $sid;
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// have the submitted values validated
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$errors = module_invoke_all("webform_validation_validate", $rule['validator'], $items, $component_definitions, $rule);
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if ($errors) {
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$errors = webform_validation_unprefix_keys($errors);
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$components = webform_validation_unprefix_keys($component_definitions);
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foreach ($errors as $item_key => $error) {
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// build the proper form element error key, taking into account hierarchy
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$error_key = 'submitted][' . webform_validation_parent_tree($item_key, $components) . $components[$item_key]['form_key'];
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a2baadd1
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Assos Assos
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if (is_array($error)) {
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foreach ($error as $sub_item_key => $sub_error) {
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form_set_error($error_key . '][' . $sub_item_key, $sub_error);
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}
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}
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else {
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// @ignore security_form_set_error. filter_xss() is run in _webform_validation_i18n_error_message().
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form_set_error($error_key, $error);
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}
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85ad3d82
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}
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}
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}
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}
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}
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/**
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* Recursive helper function to get all field keys (including fields in fieldsets)
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*/
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function webform_validation_get_field_keys($submitted, $node) {
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static $fields = array();
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foreach (element_children($submitted) as $child) {
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if (is_array($submitted[$child]) && element_children($submitted[$child])) {
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// only keep searching recursively if it's a fieldset
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$group_components = _webform_validation_get_group_types();
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if (in_array(_webform_validation_get_component_type($node, $child), $group_components)) {
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webform_validation_get_field_keys($submitted[$child], $node);
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}
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else {
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$fields[$child] = $child;
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}
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}
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else {
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$fields[$child] = $child;
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}
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}
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return $fields;
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}
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/**
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* Recursively add the parents for the element, to be used as first argument to form_set_error
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*/
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function webform_validation_parent_tree($cid, $components) {
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$output = '';
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if ($pid = $components[$cid]['pid']) {
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$output .= webform_validation_parent_tree($pid, $components);
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$output .= $components[$pid]['form_key'] . '][';
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}
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return $output;
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}
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/**
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* Get an array of formkeys for all components that have been assigned to a rule
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*/
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function webform_validation_rule_get_formkeys($rule) {
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$formkeys = array();
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if (isset($rule['components'])) {
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foreach ($rule['components'] as $cid => $component) {
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$formkeys[] = $component['form_key'];
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}
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}
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return $formkeys;
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}
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/**
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* Prefix numeric array keys to avoid them being reindexed by module_invoke_all
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*/
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function webform_validation_prefix_keys($arr) {
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$ret = array();
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foreach ($arr as $k => $v) {
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$ret['item_' . $k] = $v;
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}
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return $ret;
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}
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/**
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* Undo prefixing numeric array keys to avoid them being reindexed by module_invoke_all
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*/
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function webform_validation_unprefix_keys($arr) {
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$ret = array();
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foreach ($arr as $k => $v) {
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$new_key = str_replace('item_', '', $k);
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$ret[$new_key] = $v;
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}
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return $ret;
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}
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/**
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* Theme the 'add rule' list
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*/
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function theme_webform_validation_manage_add_rule($variables) {
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$nid = $variables['nid'];
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$output = '';
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$validators = webform_validation_get_validators();
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if ($validators) {
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a2baadd1
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Assos Assos
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$results = db_query('SELECT DISTINCT type FROM {webform_component} WHERE nid = :nid', array('nid' => $nid));
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$types = array();
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while ($item = $results->fetch()) {
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$types[] = $item->type;
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}
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85ad3d82
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Assos Assos
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$output = '<h3>' . t('Add a validation rule') . '</h3>';
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$output .= '<dl>';
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foreach ($validators as $validator_key => $validator_info) {
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$url = 'node/' . $nid . '/webform/validation/add/' . $validator_key;
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a2baadd1
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Assos Assos
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if (array_intersect($types, $validator_info['component_types'])) {
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$title = l($validator_info['name'], $url, array('query' => drupal_get_destination()));
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$component_list_postfix = '';
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}
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else {
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$title = $validator_info['name'];
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5c451ca3
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Assos Assos
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$component_list_postfix = '; ' . t('none present in this form');
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294 |
85ad3d82
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Assos Assos
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}
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a2baadd1
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Assos Assos
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$item = '<dt>' . $title . '</dt>';
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$item .= '<dd>';
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$item .= $validator_info['description'];
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5c451ca3
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Assos Assos
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$item .= ' ' . t('Works with: @component_types.', array('@component_types' => implode(', ', $validator_info['component_types']) . $component_list_postfix)) . '</dd>';
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85ad3d82
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$output .= $item;
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}
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$output .= '</dl>';
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}
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return $output;
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}
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/**
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* Implements hook_webform_validation().
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*/
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function webform_validation_webform_validation($type, $op, $data) {
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310 |
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if ($type == 'rule' && in_array($op, array('add', 'edit'))) {
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e4c061ad
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Assos Assos
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if (module_exists('i18n_string') && isset($data['error_message'])) {
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a2baadd1
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Assos Assos
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i18n_string_update('webform_validation:error_message:' . $data['ruleid'] . ':message', $data['error_message']);
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313 |
85ad3d82
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Assos Assos
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}
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}
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}
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/**
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318 |
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* Implements hook_node_insert().
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*/
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function webform_validation_node_insert($node) {
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321 |
5c451ca3
|
Assos Assos
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if (module_exists('clone') && in_array($node->type, webform_variable_get('webform_node_types'))) {
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webform_validation_node_clone($node);
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85ad3d82
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Assos Assos
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}
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}
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/**
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327 |
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* Implements hook_node_delete().
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328 |
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*/
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329 |
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function webform_validation_node_delete($node) {
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$rules = webform_validation_get_node_rules($node->nid);
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331 |
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if ($rules) {
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332 |
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|
foreach (array_keys($rules) as $ruleid) {
|
333 |
|
|
webform_dynamic_delete_rule($ruleid);
|
334 |
|
|
}
|
335 |
|
|
}
|
336 |
|
|
}
|
337 |
|
|
|
338 |
|
|
/**
|
339 |
|
|
* Adds support for node_clone module
|
340 |
|
|
*/
|
341 |
|
|
function webform_validation_node_clone($node) {
|
342 |
5c451ca3
|
Assos Assos
|
if (!in_array($node->type, webform_variable_get('webform_node_types'))) {
|
343 |
|
|
return;
|
344 |
|
|
}
|
345 |
85ad3d82
|
Assos Assos
|
if (isset($node->clone_from_original_nid)) {
|
346 |
|
|
$original_nid = $node->clone_from_original_nid;
|
347 |
|
|
// Get existing rules for original node
|
348 |
|
|
$rules = webform_validation_get_node_rules($original_nid);
|
349 |
|
|
if ($rules) {
|
350 |
|
|
foreach ($rules as $orig_ruleid => $rule) {
|
351 |
|
|
unset($rule['ruleid']);
|
352 |
|
|
$rule['action'] = 'add';
|
353 |
|
|
$rule['nid'] = $node->nid; // attach existing rules to new node
|
354 |
|
|
$rule['rule_components'] = $rule['components'];
|
355 |
|
|
webform_validation_rule_save($rule);
|
356 |
|
|
}
|
357 |
|
|
}
|
358 |
|
|
}
|
359 |
|
|
}
|
360 |
|
|
|
361 |
|
|
/**
|
362 |
a2baadd1
|
Assos Assos
|
* Save a validation rule. Data comes from the admin form or nodeapi function in
|
363 |
|
|
* case of node clone.
|
364 |
|
|
*
|
365 |
|
|
* @param array $values
|
366 |
|
|
* An associative array containing:
|
367 |
|
|
* - action: "add" or "edit".
|
368 |
|
|
* - ruleid: ID of the rule to edit. Do not set for "add".
|
369 |
|
|
* - nid: Node ID of the Webform.
|
370 |
|
|
* - validator: Machine name of the validator used by this validation rule.
|
371 |
|
|
* - rulename: Human-readable name for this validation rule.
|
372 |
|
|
* - rule_components: An array in which the keys and the values are the cid's
|
373 |
|
|
* of the Webform components that this rule applies to.
|
374 |
|
|
*
|
375 |
|
|
* @return int
|
376 |
|
|
* The $ruleid of the rule added or edited.
|
377 |
85ad3d82
|
Assos Assos
|
*/
|
378 |
|
|
function webform_validation_rule_save($values) {
|
379 |
a2baadd1
|
Assos Assos
|
if ($values['action'] === 'add') {
|
380 |
|
|
$primary_keys = array();
|
381 |
|
|
}
|
382 |
|
|
elseif ($values['action'] === 'edit') {
|
383 |
|
|
$primary_keys = array('ruleid');
|
384 |
85ad3d82
|
Assos Assos
|
}
|
385 |
a2baadd1
|
Assos Assos
|
else {
|
386 |
|
|
return FALSE;
|
387 |
|
|
}
|
388 |
|
|
|
389 |
|
|
drupal_write_record('webform_validation_rule', $values, $primary_keys);
|
390 |
85ad3d82
|
Assos Assos
|
|
391 |
a2baadd1
|
Assos Assos
|
// Delete existing component records for this ruleid.
|
392 |
|
|
if ($values['action'] === 'edit') {
|
393 |
85ad3d82
|
Assos Assos
|
db_delete('webform_validation_rule_components')
|
394 |
a2baadd1
|
Assos Assos
|
->condition('ruleid', $values['ruleid'])
|
395 |
|
|
->execute();
|
396 |
85ad3d82
|
Assos Assos
|
}
|
397 |
a2baadd1
|
Assos Assos
|
|
398 |
|
|
$components = array_filter($values['rule_components']);
|
399 |
|
|
if ($values['ruleid'] && $components) {
|
400 |
|
|
webform_validation_save_rule_components($values['ruleid'], $components);
|
401 |
|
|
module_invoke_all('webform_validation', 'rule', $values['action'], $values);
|
402 |
|
|
}
|
403 |
|
|
|
404 |
|
|
return $values['ruleid'];
|
405 |
85ad3d82
|
Assos Assos
|
}
|
406 |
|
|
|
407 |
|
|
/**
|
408 |
a2baadd1
|
Assos Assos
|
* Save components attached to a specific rule.
|
409 |
|
|
*
|
410 |
|
|
* @param int $ruleid
|
411 |
|
|
* The ruleid of the rule being saved.
|
412 |
|
|
* @param array $components
|
413 |
|
|
* An array in which the keys are the cid's of the components attached to the rule.
|
414 |
|
|
* @return array
|
415 |
|
|
* An array of the return statuses for each query keyed by cid.
|
416 |
85ad3d82
|
Assos Assos
|
*/
|
417 |
|
|
function webform_validation_save_rule_components($ruleid, $components) {
|
418 |
a2baadd1
|
Assos Assos
|
$return_status = array();
|
419 |
85ad3d82
|
Assos Assos
|
foreach ($components as $cid => $component) {
|
420 |
a2baadd1
|
Assos Assos
|
$return_status[$cid] = db_merge('webform_validation_rule_components')
|
421 |
|
|
->key(array(
|
422 |
|
|
'ruleid' => $ruleid,
|
423 |
|
|
'cid' => $cid,
|
424 |
|
|
))
|
425 |
|
|
->fields(array(
|
426 |
|
|
'ruleid' => $ruleid,
|
427 |
|
|
'cid' => $cid,
|
428 |
|
|
))
|
429 |
|
|
->execute();
|
430 |
85ad3d82
|
Assos Assos
|
}
|
431 |
a2baadd1
|
Assos Assos
|
return $return_status;
|
432 |
85ad3d82
|
Assos Assos
|
}
|
433 |
|
|
|
434 |
|
|
/**
|
435 |
|
|
* Given a webform node, get the component type based on a given component key
|
436 |
|
|
*/
|
437 |
|
|
function _webform_validation_get_component_type($node, $component_key) {
|
438 |
|
|
if ($node->webform['components']) {
|
439 |
|
|
foreach ($node->webform['components'] as $component) {
|
440 |
|
|
if ($component['form_key'] == $component_key) {
|
441 |
|
|
return $component['type'];
|
442 |
|
|
}
|
443 |
|
|
}
|
444 |
|
|
}
|
445 |
|
|
return FALSE;
|
446 |
|
|
}
|
447 |
|
|
|
448 |
|
|
/**
|
449 |
|
|
* Get all webform components that are defined as a group
|
450 |
|
|
*/
|
451 |
|
|
function _webform_validation_get_group_types() {
|
452 |
|
|
$types = array();
|
453 |
|
|
foreach (webform_components() as $name => $component) {
|
454 |
|
|
if (isset($component['features']['group']) && $component['features']['group']) {
|
455 |
|
|
$types[] = $name;
|
456 |
|
|
}
|
457 |
|
|
}
|
458 |
|
|
return $types;
|
459 |
|
|
}
|
460 |
|
|
|
461 |
|
|
/**
|
462 |
|
|
* Implements hook_webform_validator_alter().
|
463 |
|
|
*/
|
464 |
|
|
function webform_validation_webform_validator_alter(&$validators) {
|
465 |
|
|
// Add support for the Select (or Other) module
|
466 |
|
|
if (module_exists('select_or_other')) {
|
467 |
|
|
// if this module exists, all select components can now except user input.
|
468 |
|
|
// Thus we provide those components the same rules as a textfield
|
469 |
|
|
if ($validators) {
|
470 |
|
|
foreach ($validators as $validator_name => $validator_info) {
|
471 |
|
|
if (in_array('textfield', $validator_info['component_types'])) {
|
472 |
|
|
$validators[$validator_name]['component_types'][] = 'select';
|
473 |
|
|
}
|
474 |
a2baadd1
|
Assos Assos
|
$validators[$validator_name]['component_types'] = array_unique($validators[$validator_name]['component_types']);
|
475 |
85ad3d82
|
Assos Assos
|
}
|
476 |
|
|
}
|
477 |
|
|
}
|
478 |
|
|
} |