This function takes an array of field names and validation
rules as input, any custom error messages, validates the info,
and stores it
public function set_rules($field, $label = '', $rules = '')
{
if (is_array($field)) {
foreach ($field as $row) {
if (!isset($row['field']) or !isset($row['rules'])) {
continue;
}
$label = !isset($row['label']) ? $row['field'] : $row['label'];
return $this->set_rules($row['field'], $label, $row['rules']);
}
}
if (!is_string($field) or !is_string($rules) or $field == '') {
return $this;
}
foreach (explode('|', $rules) as $rule) {
if (strpos($rule, '[') !== FALSE) {
$rule = current(explode('[', $field));
}
if (in_array($rule, $this->_rules)) {
if (FALSE === ($line = $this->CI->lang->line($rule))) {
$line = 'Unable to access an error message corresponding to your field name.';
}
$this->rule_messages[$rule] = $line;
}
}
$label = $label == '' ? $field : $label;
$this->js_rules[] = array('name' => $field, 'display' => $label, 'rules' => $rules);
return parent::set_rules($field, $label, $rules);
}
/**
*@desc Allow set a custom validation error message
*
*/
public function set_rules($field, $label = '', $rules = '', $message = '')
{
$rules = parent::set_rules($field, $label, $rules);
if (!empty($message)) {
$this->_custom_field_errors[$field] = $message;
}
return $rules;
}
public function set_rules($input_name, $input_name_display, $rule = NULL)
{
if ($rule == NULL) {
$rule = $input_name_display;
parent::set_rules($input_name, $input_name, $rule);
} else {
parent::set_rules($input_name, $input_name_display, $rule);
}
}
function set_rules($field, $label = '', $rules = '')
{
if (count($_POST) === 0 and count($_FILES) > 0) {
//add a dummy $_POST
$_POST['DUMMY_ITEM'] = '';
parent::set_rules($field, $label, $rules);
unset($_POST['DUMMY_ITEM']);
} else {
//we are safe just run as is
parent::set_rules($field, $label, $rules);
}
}
function set_rules($field, $label = '', $rules = array(), $errors = array())
{
if (count($_POST) === 0 and count($_FILES) > 0) {
//it will prevent the form_validation from working
//add a dummy $_POST
$_POST['DUMMY_ITEM'] = '';
parent::set_rules($field, $label, $rules);
unset($_POST['DUMMY_ITEM']);
} else {
//we are safe just run as is
parent::set_rules($field, $label, $rules);
}
}
public function set_rules($field, $label = '', $rules = '')
{
// No reason to set rules if we have no POST data
if (count($_POST) == 0) {
return $this;
}
if (is_array($field) && $field !== array_values($field)) {
foreach ($field as $key => $value) {
$label = !empty($value[1]) ? $value[1] : humanize($key);
parent::set_rules($key, $label, $value[0]);
}
return $this;
}
parent::set_rules($field, $label, $rules);
}
/**
* Set Rules
*
* This function takes an array of field names and validation
* rules as input, any custom error messages, validates the info,
* and stores it
*
* @param mixed $field
* @param string $label
* @param mixed $rules
* @param array $errors
* @return CI_Form_validation
*/
public function set_rules($field, $label = '', $rules = array(), $errors = array())
{
$this->request_method = $this->CI->input->method();
return parent::set_rules($field, $label, $rules, $errors);
}
public function set_rules($field, $label = '', $rules = '')
{
$this->_add_field_name($field);
parent::set_rules($field, $label, $rules);
}
public function post()
{
// Validation result
$result = array('validation' => FALSE);
// Form name
$form_name = $this->input->post('form_name');
// Form settings
$form = $this->_get_form_settings($form_name);
// Do not validate the form if the form is not defined
if (is_null($form)) {
$this->xhr_output(array());
}
// If rules are defined in the config file...
if (isset($form['fields'])) {
$fields = $form['fields'];
// Get each field settings
foreach ($fields as $field => $settings) {
if (isset($settings['rules'])) {
$rules = $settings['rules'];
$label = !empty($settings['label']) ? 'lang:' . $settings['label'] : $field;
// See : http://codeigniter.com/user_guide/libraries/form_validation.html#translatingfn
$this->form_validation->set_rules($field, $label, $rules);
// User's callback rules
// Callbacks rules cannot be executed by CI_Form_validation()
// They are supposed to be $CI methods and we are here out of the scope of $CI
/*
* Not implemented for the moment
* @todo: execute_validation_callback() needs to be rewritten
$rules_array = explode('|', $rules);
foreach($rules_array as $rule)
{
if (substr($rule, 0, 9) == 'callback_')
{
$row = array(
'field' => $field,
'label' => $label,
'rule' => $rule,
'post' => $this->input->post($field),
);
$this->execute_validation_callback($row);
}
}
*/
}
}
// Check the rules
$validation_passed = $this->form_validation->run();
// Error
if (!$validation_passed) {
$result['title'] = lang('form_alert_error_title');
$result['message'] = lang($form['messages']['error']);
$result['errors'] = $this->form_validation->_error_array;
} else {
// Supposed to send back one array with 'title' and 'message' indexes
$result = $this->_process_data($form);
$result['validation'] = TRUE;
if (!isset($result['title']) && !isset($result['message'])) {
$result['title'] = lang('form_alert_success_title');
$result['message'] = lang($form['messages']['success']);
}
}
}
$this->xhr_output($result);
}
