/**
* Delete a single custom option contained in the page or tab.
*
* @since 0.4.0
* @param string $handle The element handle.
*/
protected function _delete_single_field($handle)
{
ev_delete_option($handle);
}
/**
* When the page is refreshed, save the custom data contained in the admin page.
*
* @since 0.1.0
* @param string $group The group of the page that is being saved.
*/
public function save($group = '')
{
/* This should run on admin only. */
if (!is_admin()) {
return;
}
/* Verify that we're submitting any data. */
if (empty($_POST)) {
return;
}
/* Verify the validity of the supplied nonce. */
$nonce = isset($_POST['nonce']) ? $_POST['nonce'] : '';
$action = 'ev_admin_page';
$is_valid_nonce = wp_verify_nonce($nonce, $action);
/* Check the user has the capability to save the page. */
$is_valid_cap = current_user_can($this->capability());
/* Exit if the nonce is invalid or the user doesn't have the required capability to save the page. */
if (!$is_valid_nonce || !$is_valid_cap) {
return;
}
$elements = $this->elements();
if (!empty($elements)) {
foreach ($elements as $index => $element) {
if ($element['type'] === 'group' && $element['handle'] === $group) {
foreach ($element['fields'] as $field) {
if (!ev_is_skipped_on_saving($field['type'])) {
if (!isset($_POST[$field['handle']])) {
ev_delete_option($field['handle']);
} else {
$this->_save_single_field($field, $_POST[$field['handle']]);
}
}
}
break;
} else {
if (!ev_is_skipped_on_saving($element['type'])) {
if (!isset($_POST[$element['handle']])) {
ev_delete_option($element['handle']);
} else {
$this->_save_single_field($element, $_POST[$element['handle']]);
}
}
}
}
$type = 'success';
$message = apply_filters('ev_save_options_tab_response_message', __('All saved!', 'ev_framework'), $type);
$heading = apply_filters('ev_save_options_tab_response_heading', '', $type);
$args = apply_filters("ev_save_options_tab_response_args[tab:{$group}]", array());
ev_ajax_message($message, $type, $heading, $args);
}
}