hooks();
}
return self::$instance;
}
/**
* Constructor
* @since 0.1.0
*/
protected function __construct() {
}
/**
* Initiate our hooks
* @since 0.1.0
*/
public function hooks() {
add_action('admin_init', array($this, 'init'));
add_action('admin_menu', array($this, 'add_options_page'));
add_action('cmb2_admin_init', array($this, 'add_options_page_metabox'));
$key = cmcal_setup_get_option(cmcal_setup_instance()->option_prefix . "post_type");
if ($key)
add_action("cmb2_save_field_" . $this->option_prefix . $key[0] . "meta_keys_event_template", array($this, 'action_cmb2_save_field_field_id'), 10, 3);
}
function action_cmb2_save_field_field_id($updated, $action, $instance) {
global $wpdb;
$sql = "DELETE FROM {$wpdb->options} WHERE `option_name` LIKE ('%\_cmcal_trans_calendar_events\_%')";
$wpdb->query($sql);
}
/**
* Register our setting to WP
* @since 0.1.0
*/
public function init() {
register_setting($this->key, $this->key);
}
/**
* Add menu options page
* @since 0.1.0
*/
public function add_options_page() {
$capability = apply_filters('cmcal_capability', 'manage_options');
$this->title = esc_html__('Meta Fields', 'calendar-anything');
$this->options_page = add_submenu_page('cmcal_setup', $this->title, $this->title, $capability, 'cmcal_setup_meta_fields', array($this, 'admin_page_display'));
// Include CMB CSS in the head to avoid FOUC
add_action("admin_print_styles-{$this->options_page}", array('CMB2_hookup', 'enqueue_cmb_css'));
}
/**
* Admin page markup. Mostly handled by CMB2
* @since 0.1.0
*/
public function admin_page_display() {
?>
metabox_id, $this->key); ?>
$this->metabox_id,
'hookup' => false,
'cmb_styles' => false,
'show_on' => array(
// These are important, don't remove
'key' => 'options-page',
'value' => array($this->key,)
),
));
$post_type = cmcal_setup_get_option(cmcal_setup_instance()->option_prefix . "post_type");
if ($post_type) {
foreach ($post_type as $key) {
$cmb->add_field(array(
'name' => esc_html__('Post type', 'calendar-anything') . ': ' . $key,
'type' => 'title',
'id' => $this->option_prefix . $key . 'date_section_title',
'before_row' => '' // open div for styling purposes
));
$meta_keys = $this->get_meta_keys($key);
if (!empty($meta_keys))
$cmb->add_field(array(
'name' => esc_html__('Meta Keys for Event Template', 'calendar-anything'),
'id' => $this->option_prefix . $key . 'meta_keys_event_template',
'type' => 'multicheck',
'select_all_button' => false,
'options' => $meta_keys,
'attributes' => array(
'data-conditional-id' => $this->option_prefix . 'post_type',
'data-conditional-value' => $key,
),
'after_row' => '
' // close div for styling purposes
));
}
}
}
function generate_meta_keys($post_type) {
global $wpdb;
$query = "
SELECT DISTINCT($wpdb->postmeta.meta_key)
FROM $wpdb->posts
LEFT JOIN $wpdb->postmeta
ON $wpdb->posts.ID = $wpdb->postmeta.post_id
WHERE $wpdb->posts.post_type = '%s'
AND $wpdb->postmeta.meta_key != ''
AND $wpdb->postmeta.meta_key NOT LIKE 'codemine_event%%'
";
$meta_keys = $wpdb->get_col($wpdb->prepare($query, $post_type));
return array_combine($meta_keys, $meta_keys);
;
}
//To get a list of meta_keys in your template for generating your dropdown, use the following function:
function get_meta_keys($post_type) {
$cache = get_transient($post_type . '_meta_keys');
$meta_keys = $cache ? $cache : $this->generate_meta_keys($post_type);
return $meta_keys;
}
/**
* Register settings notices for display
*
* @since 0.1.0
* @param int $object_id Option key
* @param array $updated Array of updated fields
* @return void
*/
public function settings_notices($object_id, $updated) {
if ($object_id !== $this->key || empty($updated)) {
return;
}
add_settings_error($this->key . '-notices', '', esc_html__('Settings updated.', 'calendar-anything'), 'updated');
settings_errors($this->key . '-notices');
header('Location: ' . $_SERVER['REQUEST_URI']);
}
/**
* Public getter method for retrieving protected/private variables
* @since 0.1.0
* @param string $field Field to retrieve
* @return mixed Field value or exception is thrown
*/
public function __get($field) {
// Allowed fields to retrieve
if (in_array($field, array('key', 'metabox_id', 'title', 'options_page'), true)) {
return $this->{$field};
}
throw new Exception('Invalid property: ' . $field);
}
}
/**
* Helper function to get/return the CMCAL_Setup_Meta_Fields object
* @since 0.1.0
* @return CMCAL_Setup_Meta_Fields object
*/
function cmcal_setup_meta_fields_instance() {
return Cmcal_Setup_Meta_Fields::get_instance();
}
/**
* Wrapper function around cmb2_get_option
* @since 0.1.0
* @param string $key Options array key
* @param mixed $default Optional default value
* @return mixed Option value
*/
function cmcal_setup_meta_fields_get_option($key = '', $default = null) {
if (function_exists('cmb2_get_option')) {
// Use cmb2_get_option as it passes through some key filters.
return cmb2_get_option(cmcal_setup_meta_fields_instance()->key, $key, $default);
}
// Fallback to get_option if CMB2 is not loaded yet.
$opts = get_option(cmcal_setup_meta_fields_instance()->key, $key, $default);
$val = $default;
if (!is_array($opts))
$opts = array($opts);
if ('all' == $key) {
$val = $opts;
} elseif (array_key_exists($key, $opts) && false !== $opts[$key]) {
$val = $opts[$key];
}
return $val;
}
// Get it started
cmcal_setup_meta_fields_instance();