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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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include_once 'webform_validation.validators.inc';
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include_once 'webform_validation.rules.inc';
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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($ruleid);
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}
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/**
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* Implements hook_theme().
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*/
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function webform_validation_theme() {
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return array(
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'webform_validation_manage_add_rule' => array(
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'variables' => array(
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'nid' => NULL,
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),
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),
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'webform_validation_manage_overview_form' => array(
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'render element' => 'form',
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),
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);
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}
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/**
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* Implements hook_form_BASE_FORM_ID_alter().
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*/
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function webform_validation_form_webform_client_form_alter(&$form, &$form_state, $form_id) {
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$form['#validate'][] = 'webform_validation_validate';
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}
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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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// This group doesn't have strings with format.
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'format' => FALSE,
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// This group cannot list all strings.
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'list' => FALSE,
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'refresh callback' => 'webform_validation_i18n_string_refresh',
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);
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return $groups;
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}
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/**
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* Webform validation handler to validate against the given rules.
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*/
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function webform_validation_validate($form, &$form_state) {
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$static_error_messages = &drupal_static(__FUNCTION__, array());
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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 && $page_count > 1) {
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$validators = webform_validation_get_validators();
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foreach ($rules as $ruleid => $rule) {
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// Skip the rule if it does not have any components on the current page.
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if (!array_intersect_key($flat_values, $rule['components'])) {
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unset($rules[$ruleid]);
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}
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// For validators that require at least 2 components, skip the rule if any
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// of the components are on a page past the current page.
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elseif (isset($validators[$rule['validator']]['min_components']) && $validators[$rule['validator']]['min_components'] > 1) {
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foreach (array_keys($rule['components']) as $cid) {
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if ($node->webform['components'][$cid]['page_num'] > $form_state['webform']['page_num']) {
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unset($rules[$ruleid]);
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break;
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}
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}
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}
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}
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}
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if ($rules) {
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// Remove hidden components.
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if (defined('WebformConditionals::componentShown')) {
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// New conditionals system.
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$sorter = webform_get_conditional_sorter($node);
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// If the form was retrieved from the form cache, the conditionals may not
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// have been executed yet.
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if (!$sorter->isExecuted()) {
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$sorter->executeConditionals(array(), 0);
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}
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foreach ($node->webform['components'] as $key => $component) {
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if ($sorter->componentVisibility($component['cid'], $component['page_num']) !== WebformConditionals::componentShown) {
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unset($flat_values[$key]);
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}
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}
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}
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else {
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// Old conditionals system removed in Webform 7.x-4.8.
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// Webform 7.x-3.x does not define WEBFORM_CONDITIONAL_INCLUDE.
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// Define if needed.
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if (!defined('WEBFORM_CONDITIONAL_INCLUDE')) {
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define('WEBFORM_CONDITIONAL_INCLUDE', 1);
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}
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foreach ($node->webform['components'] as $key => $component) {
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// In Webform 7.x-3.x, _webform_client_form_rule_check() returns
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// boolean.
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// Cast to int so that the function behaves as it does in 7.x-4.x.
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if (isset($flat_values[$key]) && (int) _webform_client_form_rule_check($node, $component, 0, $form_state['values']['submitted']) !== WEBFORM_CONDITIONAL_INCLUDE) {
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unset($flat_values[$key]);
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}
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}
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}
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foreach ($rules as $rule) {
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// Create a list of components that need validation against this rule
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// (component id => user submitted value).
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$items = array();
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foreach ($rule['components'] as $cid => $component) {
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if (array_key_exists($cid, $flat_values)) {
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$items[$cid] = $flat_values[$cid];
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}
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}
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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", $rule['validator'], webform_validation_prefix_keys($items), webform_validation_prefix_keys($node->webform['components']), $rule);
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if ($errors) {
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$errors = webform_validation_unprefix_keys($errors);
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// Create hook_webform_validation_validate_alter(). Allow other modules
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// to alter error messages.
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$context = array(
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'validator_name' => $rule['validator'],
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'items' => $items,
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'components' => $node->webform['components'],
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'rule' => $rule,
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);
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drupal_alter('webform_validation_validate', $errors, $context);
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foreach ($errors as $item_key => $error) {
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// Do not set error message if an identical message has already been
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// set.
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if (in_array($error, $static_error_messages, TRUE)) {
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continue;
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}
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$static_error_messages[] = $error;
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// Build the proper form element error key, taking into account
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// hierarchy.
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$error_key = 'submitted][' . webform_validation_parent_tree($item_key, $node->webform['components']) . $node->webform['components'][$item_key]['form_key'];
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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, $sub_error);
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}
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}
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else {
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// filter_xss() is run in _webform_validation_i18n_error_message().
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// @ignore security_form_set_error.
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form_set_error($error_key, $error);
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}
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}
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}
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}
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}
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}
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/**
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* Helper function to get all field keys (including fields in fieldsets).
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*
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* @deprecated in webform_validation:7.x-1.14 and is removed from
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* webform_validation:7.x-2.0. No longer used.
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* @see https://www.drupal.org/project/webform_validation/issues/2841817
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*/
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function webform_validation_get_field_keys($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 $fields;
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}
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262
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/**
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* Recursively add the parents for the element.
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264
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*
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265
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* These are used as the first argument to form_set_error().
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*/
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function webform_validation_parent_tree($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 $output;
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}
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275
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|
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276
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/**
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277
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* Get array of formkeys for all components that have been assigned to a rule.
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278
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*
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|
279
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* @deprecated in webform_validation:7.x-1.14 and is removed from
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280
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* webform_validation:7.x-2.0. No longer used.
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281
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* @see https://www.drupal.org/project/webform_validation/issues/2841817
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282
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*/
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283
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function webform_validation_rule_get_formkeys($rule) {
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284
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$formkeys = array();
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285
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if (isset($rule['components'])) {
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286
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foreach ($rule['components'] as $cid => $component) {
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287
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$formkeys[] = $component['form_key'];
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288
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}
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289
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}
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290
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return $formkeys;
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291
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}
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292
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293
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/**
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294
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* Prefix numeric array keys to avoid them being reindexed.
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295
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*
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296
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* Reindexing done in module_invoke_all().
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297
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*
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298
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* Opposite of webform_validation_unprefix_keys().
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299
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*/
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300
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function webform_validation_prefix_keys($arr) {
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301
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$ret = array();
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302
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foreach ($arr as $k => $v) {
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$ret['item_' . $k] = $v;
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}
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305
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return $ret;
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306
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}
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307
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|
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308
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/**
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309
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* Undo prefixing numeric array keys.
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310
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*
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311
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* Opposite of webform_validation_prefix_keys().
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312
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*/
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313
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function webform_validation_unprefix_keys($arr) {
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314
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$ret = array();
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315
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foreach ($arr as $k => $v) {
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316
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$new_key = str_replace('item_', '', $k);
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317
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$ret[$new_key] = $v;
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318
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}
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319
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return $ret;
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320
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}
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|
321
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|
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322
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/**
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323
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* Theme the 'add rule' list.
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|
324
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*/
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325
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function theme_webform_validation_manage_add_rule($variables) {
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326
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$nid = $variables['nid'];
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|
327
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$output = '';
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|
328
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$validators = webform_validation_get_validators();
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329
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|
|
330
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if ($validators) {
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331
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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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333
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while ($item = $results->fetch()) {
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334
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$types[] = $item->type;
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335
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}
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336
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337
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$output = '<h3>' . t('Add a validation rule') . '</h3>';
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338
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$output .= '<dl>';
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339
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foreach ($validators as $validator_key => $validator_info) {
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340
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$validator_types = webform_validation_valid_component_types($validator_key);
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341
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$title = $validator_info['name'];
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342
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if (array_intersect($types, $validator_types)) {
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343
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$url = 'node/' . $nid . '/webform/validation/add/' . $validator_key;
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$title = l($title, $url, array('query' => drupal_get_destination()));
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345
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$component_list_postfix = '';
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346
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}
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347
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else {
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348
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$component_list_postfix = '; ' . t('none present in this form');
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349
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}
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350
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$item = '<dt>' . $title . '</dt>';
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351
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$item .= '<dd>';
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352
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$item .= $validator_info['description'];
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353
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$item .= ' ' . t('Works with: @component_types.', array('@component_types' => implode(', ', $validator_types) . $component_list_postfix)) . '</dd>';
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$output .= $item;
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}
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356
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$output .= '</dl>';
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357
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}
|
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358
|
return $output;
|
|
359
|
}
|
|
360
|
|
|
361
|
/**
|
|
362
|
* Implements hook_webform_validation().
|
|
363
|
*/
|
|
364
|
function webform_validation_webform_validation($type, $op, $data) {
|
|
365
|
if ($type == 'rule' && in_array($op, array('add', 'edit'))) {
|
|
366
|
if (module_exists('i18n_string') && isset($data['error_message'])) {
|
|
367
|
i18n_string_update('webform_validation:error_message:' . $data['ruleid'] . ':message', $data['error_message']);
|
|
368
|
}
|
|
369
|
}
|
|
370
|
}
|
|
371
|
|
|
372
|
/**
|
|
373
|
* Implements hook_node_insert().
|
|
374
|
*/
|
|
375
|
function webform_validation_node_insert($node) {
|
|
376
|
if (module_exists('clone') && in_array($node->type, webform_variable_get('webform_node_types'))) {
|
|
377
|
webform_validation_node_clone($node);
|
|
378
|
}
|
|
379
|
}
|
|
380
|
|
|
381
|
/**
|
|
382
|
* Implements hook_node_delete().
|
|
383
|
*/
|
|
384
|
function webform_validation_node_delete($node) {
|
|
385
|
$rules = webform_validation_get_node_rules($node->nid);
|
|
386
|
if ($rules) {
|
|
387
|
foreach (array_keys($rules) as $ruleid) {
|
|
388
|
webform_dynamic_delete_rule($ruleid);
|
|
389
|
}
|
|
390
|
}
|
|
391
|
}
|
|
392
|
|
|
393
|
/**
|
|
394
|
* Adds support for node_clone module.
|
|
395
|
*/
|
|
396
|
function webform_validation_node_clone($node) {
|
|
397
|
if (!in_array($node->type, webform_variable_get('webform_node_types'))) {
|
|
398
|
return;
|
|
399
|
}
|
|
400
|
if (isset($node->clone_from_original_nid)) {
|
|
401
|
$original_nid = $node->clone_from_original_nid;
|
|
402
|
// Get existing rules for original node.
|
|
403
|
$rules = webform_validation_get_node_rules($original_nid);
|
|
404
|
if ($rules) {
|
|
405
|
foreach ($rules as $orig_ruleid => $rule) {
|
|
406
|
unset($rule['ruleid']);
|
|
407
|
$rule['action'] = 'add';
|
|
408
|
// Attach existing rules to new node.
|
|
409
|
$rule['nid'] = $node->nid;
|
|
410
|
$rule['rule_components'] = $rule['components'];
|
|
411
|
webform_validation_rule_save($rule);
|
|
412
|
}
|
|
413
|
}
|
|
414
|
}
|
|
415
|
}
|
|
416
|
|
|
417
|
/**
|
|
418
|
* Save a validation rule.
|
|
419
|
*
|
|
420
|
* Data comes from the admin form or nodeapi function in case of node clone.
|
|
421
|
*
|
|
422
|
* @param array $values
|
|
423
|
* An associative array containing:
|
|
424
|
* - action: "add" or "edit".
|
|
425
|
* - ruleid: ID of the rule to edit. Do not set for "add".
|
|
426
|
* - nid: Node ID of the Webform.
|
|
427
|
* - validator: Machine name of the validator used by this validation rule.
|
|
428
|
* - rulename: Human-readable name for this validation rule.
|
|
429
|
* - rule_components: An array in which the keys and the values are the cid's
|
|
430
|
* of the Webform components that this rule applies to.
|
|
431
|
*
|
|
432
|
* @return int
|
|
433
|
* The $ruleid of the rule added or edited.
|
|
434
|
*/
|
|
435
|
function webform_validation_rule_save(array $values) {
|
|
436
|
if ($values['action'] === 'add') {
|
|
437
|
$primary_keys = array();
|
|
438
|
}
|
|
439
|
elseif ($values['action'] === 'edit') {
|
|
440
|
$primary_keys = array('ruleid');
|
|
441
|
}
|
|
442
|
else {
|
|
443
|
return FALSE;
|
|
444
|
}
|
|
445
|
|
|
446
|
drupal_write_record('webform_validation_rule', $values, $primary_keys);
|
|
447
|
|
|
448
|
// Delete existing component records for this ruleid.
|
|
449
|
if ($values['action'] === 'edit') {
|
|
450
|
db_delete('webform_validation_rule_components')
|
|
451
|
->condition('ruleid', $values['ruleid'])
|
|
452
|
->execute();
|
|
453
|
}
|
|
454
|
|
|
455
|
$components = array_filter($values['rule_components']);
|
|
456
|
if ($values['ruleid'] && $components) {
|
|
457
|
webform_validation_save_rule_components($values['ruleid'], $components);
|
|
458
|
module_invoke_all('webform_validation', 'rule', $values['action'], $values);
|
|
459
|
}
|
|
460
|
|
|
461
|
return $values['ruleid'];
|
|
462
|
}
|
|
463
|
|
|
464
|
/**
|
|
465
|
* Save components attached to a specific rule.
|
|
466
|
*
|
|
467
|
* @param int $ruleid
|
|
468
|
* The ruleid of the rule being saved.
|
|
469
|
* @param array $components
|
|
470
|
* An array in which the keys are the cid's of the components attached to the
|
|
471
|
* rule.
|
|
472
|
*
|
|
473
|
* @return array
|
|
474
|
* An array of the return statuses for each query keyed by cid.
|
|
475
|
*/
|
|
476
|
function webform_validation_save_rule_components($ruleid, array $components) {
|
|
477
|
$return_status = array();
|
|
478
|
foreach ($components as $cid => $component) {
|
|
479
|
$return_status[$cid] = db_merge('webform_validation_rule_components')
|
|
480
|
->key(array(
|
|
481
|
'ruleid' => $ruleid,
|
|
482
|
'cid' => $cid,
|
|
483
|
))
|
|
484
|
->fields(array(
|
|
485
|
'ruleid' => $ruleid,
|
|
486
|
'cid' => $cid,
|
|
487
|
))
|
|
488
|
->execute();
|
|
489
|
}
|
|
490
|
return $return_status;
|
|
491
|
}
|
|
492
|
|
|
493
|
/**
|
|
494
|
* Given a webform node, get the component type based on a given component key.
|
|
495
|
*/
|
|
496
|
function _webform_validation_get_component_type($node, $component_key) {
|
|
497
|
if ($node->webform['components']) {
|
|
498
|
foreach ($node->webform['components'] as $component) {
|
|
499
|
if ($component['form_key'] == $component_key) {
|
|
500
|
return $component['type'];
|
|
501
|
}
|
|
502
|
}
|
|
503
|
}
|
|
504
|
return FALSE;
|
|
505
|
}
|
|
506
|
|
|
507
|
/**
|
|
508
|
* Get all webform components that are defined as a group.
|
|
509
|
*/
|
|
510
|
function _webform_validation_get_group_types() {
|
|
511
|
$types = array();
|
|
512
|
foreach (webform_components() as $name => $component) {
|
|
513
|
if (isset($component['features']['group']) && $component['features']['group']) {
|
|
514
|
$types[] = $name;
|
|
515
|
}
|
|
516
|
}
|
|
517
|
return $types;
|
|
518
|
}
|
|
519
|
|
|
520
|
/**
|
|
521
|
* Implements hook_webform_validator_alter().
|
|
522
|
*/
|
|
523
|
function webform_validation_webform_validator_alter(&$validators) {
|
|
524
|
// Add support for the Select (or Other) module.
|
|
525
|
if (module_exists('select_or_other')) {
|
|
526
|
// If this module exists, all select components can now except user input.
|
|
527
|
// Thus we provide those components the same rules as a textfield.
|
|
528
|
if ($validators) {
|
|
529
|
foreach ($validators as $validator_name => $validator_info) {
|
|
530
|
if (in_array('textfield', $validator_info['component_types'])) {
|
|
531
|
$validators[$validator_name]['component_types'][] = 'select';
|
|
532
|
}
|
|
533
|
$validators[$validator_name]['component_types'] = array_unique($validators[$validator_name]['component_types']);
|
|
534
|
}
|
|
535
|
}
|
|
536
|
}
|
|
537
|
}
|
|
538
|
|
|
539
|
/**
|
|
540
|
* Implements hook_uuid_node_features_export_alter().
|
|
541
|
*/
|
|
542
|
function webform_validation_uuid_node_features_export_alter(&$data, $node, $module) {
|
|
543
|
$nid = reset(entity_get_id_by_uuid('node', array($node->uuid)));
|
|
544
|
if (webform_validation_get_node_rules($nid)) {
|
|
545
|
$data['dependencies']['webform_validation'] = 'webform_validation';
|
|
546
|
}
|
|
547
|
}
|
|
548
|
|
|
549
|
/**
|
|
550
|
* Implements hook_uuid_node_features_export_render_alter().
|
|
551
|
*/
|
|
552
|
function webform_validation_uuid_node_features_export_render_alter(&$export, $node, $module) {
|
|
553
|
if (!empty($node->webform)) {
|
|
554
|
$rules = webform_validation_get_node_rules_assoc($node->nid);
|
|
555
|
foreach ($rules as &$rule) {
|
|
556
|
unset($rule['nid']);
|
|
557
|
unset($rule['ruleid']);
|
|
558
|
}
|
|
559
|
$export->webform['validation'] = $rules;
|
|
560
|
}
|
|
561
|
}
|
|
562
|
|
|
563
|
/**
|
|
564
|
* Implements hook_uuid_entity_uuid_save().
|
|
565
|
*/
|
|
566
|
function webform_validation_entity_uuid_save($node, $entity_type) {
|
|
567
|
if ($entity_type == 'node') {
|
|
568
|
if (isset($node->webform['validation'])) {
|
|
569
|
$rules = $node->webform['validation'];
|
|
570
|
$orig_rules = webform_validation_get_node_rules_assoc($node->nid);
|
|
571
|
// Delete obsolete rules.
|
|
572
|
$delete = array_diff_key($orig_rules, $rules);
|
|
573
|
foreach ($delete as $rule) {
|
|
574
|
webform_dynamic_delete_rule($rule['ruleid']);
|
|
575
|
}
|
|
576
|
// Add new rules.
|
|
577
|
$new = array_diff_key($rules, $orig_rules);
|
|
578
|
foreach ($new as $rule) {
|
|
579
|
$rule['action'] = 'add';
|
|
580
|
$rule['nid'] = $node->nid;
|
|
581
|
$rule['rule_components'] = $rule['components'];
|
|
582
|
webform_validation_rule_save($rule);
|
|
583
|
}
|
|
584
|
// Update existing rules.
|
|
585
|
$existing = array_diff_key($rules, $new + $delete);
|
|
586
|
foreach ($existing as $name => $rule) {
|
|
587
|
$orig_rule = $orig_rules[$name];
|
|
588
|
$rule['nid'] = $orig_rule['nid'];
|
|
589
|
$rule['ruleid'] = $orig_rule['ruleid'];
|
|
590
|
if ($rule != $orig_rule) {
|
|
591
|
$rule['action'] = 'edit';
|
|
592
|
$rule['rule_components'] = $rule['components'];
|
|
593
|
webform_validation_rule_save($rule);
|
|
594
|
}
|
|
595
|
}
|
|
596
|
}
|
|
597
|
}
|
|
598
|
|
|
599
|
}
|
