function _action_theme_display_form_errors()
{
$form = FW_Form::get_submitted();
if (!$form || $form->is_valid()) {
return;
}
wp_enqueue_script('fw-theme-show-form-errors', get_template_directory_uri() . '/js/form-errors.js', array('jquery'), '1.0', true);
wp_localize_script('fw-theme-show-form-errors', '_localized_form_errors', array('errors' => $form->get_errors(), 'form_id' => $form->get_id()));
}
/**
* Detect if form errors was not displayed in frontend then display them with default design
* Do nothing if the theme already displayed the errors
* @internal
*/
function _action_show_fw_form_errors_in_frontend()
{
$form = FW_Form::get_submitted();
if (!$form || $form->is_valid()) {
return;
}
if ($form->errors_accessed()) {
// already displayed
return;
}
foreach ($form->get_errors() as $input_name => $error_message) {
FW_Flash_Messages::add('fw-form-error-' . $input_name, $error_message, 'error');
}
}
/**
* Display form errors in admin side
*/
function _action_show_fw_form_errors_in_admin()
{
$form = FW_Form::get_submitted();
if (!$form || $form->is_valid()) {
return;
}
foreach ($form->get_errors() as $input_name => $error_message) {
FW_Flash_Messages::add('fw-form-admin-' . $input_name, $error_message, 'error');
}
}
/**
* Render form's html
*
* @param array $data
*/
public function render($data = array())
{
$render_data = array('submit' => array('value' => __('Submit', 'fw'), 'html' => null), 'data' => $data, 'attr' => $this->attr);
unset($data);
if ($this->callbacks['render']) {
ob_start();
$data = call_user_func_array($this->callbacks['render'], array($render_data, $this));
$html = ob_get_clean();
if (empty($data)) {
// fix if returned wrong data from callback
$data = $render_data;
}
$render_data = $data;
unset($data);
}
// display form errors in frontend
do {
if (is_admin()) {
// errors in admin side are displayed by a script at the end of this file
break;
}
$submitted_form = FW_Form::get_submitted();
if (!$submitted_form) {
break;
}
if ($submitted_form->get_id() !== $this->get_id()) {
// the submitted form is not current form
break;
}
unset($submitted_form);
// not needed anymore, below will be used only with $this (because it's the same form)
if ($this->is_valid()) {
break;
}
/**
* Use this action to customize errors display in your theme
*/
do_action('fw_form_display_errors_frontend', $this);
if ($this->errors_accessed()) {
// already displayed, prevent/cancel default display
break;
}
$errors = $this->get_errors();
if (empty($errors)) {
break;
}
echo '<ul class="fw-form-errors">';
foreach ($errors as $input_name => $error_message) {
echo fw_html_tag('li', array('data-input-name' => $input_name), $error_message);
}
echo '</ul>';
unset($errors);
} while (false);
echo '<form ' . fw_attr_to_html($render_data['attr']) . ' >';
echo fw_html_tag('input', array('type' => 'hidden', 'name' => self::$id_input_name, 'value' => $this->id));
if ($render_data['attr']['method'] == 'post') {
wp_nonce_field('submit_fwf', '_nonce_' . md5($this->id));
}
if (!empty($render_data['attr']['action']) && $render_data['attr']['method'] == 'get') {
/**
* Add query vars from the action attribute url to hidden inputs to not loose them
*/
parse_str(parse_url($render_data['attr']['action'], PHP_URL_QUERY), $query_vars);
if (!empty($query_vars)) {
foreach ($query_vars as $var_name => $var_value) {
echo fw_html_tag('input', array('type' => 'hidden', 'name' => $var_name, 'value' => $var_value));
}
}
}
echo $html;
// In filter can be defined custom html for submit button
if (isset($render_data['submit']['html'])) {
echo $render_data['submit']['html'];
} else {
echo fw_html_tag('input', array('type' => 'submit', 'value' => $render_data['submit']['value']));
}
echo '</form>';
}
