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<?php
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/**
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* @file
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* Manages validation rules administration UI
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*/
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/**
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* Menu callback function to show an overview of the existing validation rules, and the option to add a rule
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*/
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function webform_validation_manage($node) {
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$rules = webform_validation_get_webform_rules($node);
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$output = '';
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$output .= theme('webform_validation_manage_overview', array('rules' => $rules, 'node' => $node));
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$output .= theme('webform_validation_manage_add_rule', array('nid' => $node->nid));
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return $output;
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}
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/**
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* Get the list of rules associated with the webform
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*/
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function webform_validation_get_webform_rules($node) {
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if (in_array($node->type, webform_variable_get('webform_node_types'))) {
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$webform_nid = $node->nid;
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$rules = webform_validation_get_node_rules($node->nid);
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}
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return $rules;
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}
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/**
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* Themable function to list the rules assigned to a webform
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*/
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function theme_webform_validation_manage_overview($variables) {
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$rules = $variables['rules'];
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$node = $variables['node'];
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$header = array(t('Rule name'), t('Validator'), t('Components'), array(
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'data' => t('Operations'),
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'colspan' => 2,
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));
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$validators = webform_validation_get_validators_selection();
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if (!empty($rules)) {
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foreach ($rules as $rule) {
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$component_info = webform_validation_rule_components_basic($rule['components']);
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$row = array();
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$row[] = array(
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'data' => check_plain($rule['rulename']),
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);
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$row[] = array(
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'data' => $validators[$rule['validator']],
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);
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$row[] = array(
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'data' => theme('item_list', array('items' => $component_info)),
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);
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$row[] = array(
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'data' => l(t('Edit'), 'node/' . $node->nid . '/webform/validation/edit/' . $rule['validator'] . '/' . $rule['ruleid'], array("query" => drupal_get_destination())),
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);
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$row[] = array(
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'data' => l(t('Delete'), 'node/' . $node->nid . '/webform/validation/delete/' . $rule['ruleid'], array("query" => drupal_get_destination())),
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);
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$rows[] = $row;
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}
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}
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else {
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$rows[][] = array(
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'data' => t('No validation rules available.'),
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'colspan' => 5,
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);
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}
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return theme('table', array('header' => $header, 'rows' => $rows));
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}
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/**
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* Callback function to add or edit a validation rule
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*/
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function webform_validation_manage_rule($form, $form_state, $node, $action = 'add', $validator, $rule = NULL) {
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$form = array();
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$rule_validator = webform_validation_get_validator_info($validator);
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$form['rule'] = array(
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'#type' => 'fieldset',
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'#title' => ($action == 'edit') ? t('Edit rule') : t('Add rule'),
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'#collapsible' => FALSE,
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'#collapsed' => FALSE,
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);
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$form['rule']['validator'] = array(
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'#type' => 'hidden',
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'#value' => $validator,
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);
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$form['rule']['action'] = array(
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'#type' => 'hidden',
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'#value' => $action,
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);
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if ($action == 'edit' && $rule) {
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$form['rule']['ruleid'] = array(
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'#type' => 'hidden',
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'#value' => $rule['ruleid'],
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);
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$form['rule']['nid'] = array(
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'#type' => 'hidden',
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'#value' => $rule['nid'],
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);
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}
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else {
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$form['rule']['nid'] = array(
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'#type' => 'hidden',
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'#value' => $node->nid,
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);
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}
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$form['rule']['rulename'] = array(
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'#type' => 'textfield',
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'#title' => t('Rule name'),
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'#default_value' => (isset($rule['rulename'])) ? $rule['rulename'] : '',
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'#required' => TRUE,
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'#size' => 60,
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'#maxlength' => 255,
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'#weight' => 1,
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);
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$form['rule']['rule_components'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Components'),
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'#weight' => 3,
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'#description' => t('Select the components to be validated by this validation rule'),
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'#options' => webform_validation_get_webform_components($node, $validator),
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'#default_value' => (isset($rule['components'])) ? array_keys($rule['components']) : array(),
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);
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if (isset($rule_validator['custom_data']) && is_array($rule_validator['custom_data'])) {
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$required = isset($rule_validator['custom_data']['required']) ? $rule_validator['custom_data']['required'] : TRUE;
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$form['rule']['data'] = array(
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'#type' => 'textfield',
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'#title' => $rule_validator['custom_data']['label'],
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'#description' => $rule_validator['custom_data']['description'],
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'#required' => ($required !== FALSE) ? TRUE : FALSE,
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'#size' => 60,
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'#maxlength' => NULL,
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'#default_value' => $rule['data'],
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'#weight' => 4,
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);
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}
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if (isset($rule_validator['negatable'])) {
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$form['rule']['negate'] = array(
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'#type' => 'checkbox',
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'#title' => t('Negate rule'),
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'#description' => t('Validate the inverse of the rule.'),
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'#default_value' => $rule['negate'],
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'#weight' => 5,
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);
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}
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if (isset($rule_validator['custom_error'])) {
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$form['rule']['error_message'] = array(
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'#type' => 'textfield',
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'#title' => t('Custom error message'),
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'#description' => t("Specify an error message that should be displayed when user input doesn't pass validation"),
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'#required' => TRUE,
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'#size' => 60,
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'#maxlength' => 255,
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'#default_value' => $rule['error_message'],
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'#weight' => 5,
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);
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}
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$form['rule']['submit'] = array(
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'#type' => 'submit',
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'#value' => (isset($rule['ruleid'])) ? t('Save rule') : t('Add rule'),
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'#weight' => 25,
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);
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return $form;
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}
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/**
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* Validation handler to add / edit a rule
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*/
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function webform_validation_manage_rule_validate($form, &$form_state) {
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$values = $form_state['values'];
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if ($values['action'] == 'edit') {
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if (!is_numeric($values['ruleid']) || $values['ruleid'] == 0) {
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form_set_error(NULL, t('A problem occurred while editing this rule. Please try again.'));
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}
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}
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$rule_validator = webform_validation_get_validator_info($values['validator']);
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$selected_components = count(array_filter($values['rule_components']));
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// Check validator min_components and min_components property when they are equal.
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if (isset($rule_validator['min_components']) && isset($rule_validator['max_components']) && $rule_validator['min_components'] === $rule_validator['max_components'] && $selected_components !== $rule_validator['min_components']) {
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form_set_error('rule_components', format_plural($rule_validator['min_components'], 'You need to select exactly @count component', 'You need to select exactly @count components'));
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}
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// check validator min_components property
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elseif (isset($rule_validator['min_components']) && $selected_components < $rule_validator['min_components']) {
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form_set_error('rule_components', format_plural($rule_validator['min_components'], 'You need to select at least @count component', 'You need to select at least @count components'));
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}
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// check validator max_components property
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elseif (isset($rule_validator['max_components']) && $selected_components > $rule_validator['max_components']) {
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form_set_error('rule_components', format_plural($rule_validator['max_components'], 'You can select @count component at most', 'You can select @count components at most'));
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}
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}
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/**
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* Submit handler to add / edit a rule
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*/
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function webform_validation_manage_rule_submit($form, &$form_state) {
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$values = $form_state['values'];
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webform_validation_rule_save($values);
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}
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/**
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* Get a list of components for a specific webform, filtered by the validator settings
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*/
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function webform_validation_get_webform_components($node, $validator) {
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$ret = array();
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$components = $node->webform['components'];
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$valid_components = webform_validation_valid_component_types($validator);
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if ($components) {
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foreach ($components as $cid => $component) {
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if (in_array($component['type'], $valid_components)) {
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$ret[$cid] = $component['name'];
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}
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}
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}
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return $ret;
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}
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/**
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* Confirmation form to delete a rule
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*/
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function webform_validation_delete_rule($form, &$form_state, $rule) {
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if (isset($rule['ruleid'])) {
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$form['ruleid'] = array(
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'#type' => 'value',
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'#value' => $rule['ruleid'],
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);
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}
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return confirm_form($form,
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t('Are you sure you want to delete the rule %name?', array('%name' => $rule['rulename'])),
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isset($_GET['destination']) ? $_GET['destination'] : $_GET['q'],
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t('This action cannot be undone.'),
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t('Delete'),
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t('Cancel')
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);
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}
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/**
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* Submit handler to delete a rule
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*/
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function webform_validation_delete_rule_submit($form, &$form_state) {
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$ruleid = $form_state['values']['ruleid'];
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webform_dynamic_delete_rule($ruleid);
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module_invoke_all('webform_validation', 'rule', 'delete', $ruleid);
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}
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