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<?php |
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/** |
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* Handles hooking CMB2 forms/metaboxes into the post/attachement/user screens |
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* and handles hooking in and saving those fields. |
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* |
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* @since 2.0.0 |
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* |
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* @category WordPress_Plugin |
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* @package CMB2 |
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* @author CMB2 team |
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* @license GPL-2.0+ |
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* @link https://cmb2.io |
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*/ |
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class CMB2_Options_Hookup extends CMB2_hookup { |
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|
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/** |
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* The object type we are performing the hookup for |
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* |
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* @var string |
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* @since 2.0.9 |
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*/ |
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protected $object_type = 'options-page'; |
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|
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/** |
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* Options page key. |
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* |
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* @var string |
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* @since 2.2.5 |
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*/ |
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protected $option_key = ''; |
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|
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/** |
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* Constructor |
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* |
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* @since 2.0.0 |
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* @param CMB2 $cmb The CMB2 object to hookup. |
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* @param string $option_key Option key to use. |
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*/ |
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public function __construct( CMB2 $cmb, $option_key ) { |
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$this->cmb = $cmb; |
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$this->option_key = $option_key; |
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} |
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|
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public function hooks() { |
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if ( empty( $this->option_key ) ) { |
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return; |
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} |
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|
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if ( ! $this->cmb->prop( 'autoload', true ) ) { |
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// Disable option autoload if requested. |
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add_filter( "cmb2_should_autoload_{$this->option_key}", '__return_false' ); |
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} |
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|
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/** |
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* For WP < 4.7. Ensure the register_setting function exists. |
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*/ |
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if ( ! CMB2_Utils::wp_at_least( '4.7' ) && ! function_exists( 'register_setting' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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|
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// Register setting to cmb2 group. |
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register_setting( 'cmb2', $this->option_key ); |
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|
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// Handle saving the data. |
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add_action( 'admin_post_' . $this->option_key, array( $this, 'save_options' ) ); |
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|
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// Optionally network_admin_menu. |
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$hook = $this->cmb->prop( 'admin_menu_hook' ); |
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|
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// Hook in to add our menu. |
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add_action( $hook, array( $this, 'options_page_menu_hooks' ) ); |
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|
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// If in the network admin, need to use get/update_site_option. |
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if ( 'network_admin_menu' === $hook ) { |
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// Override CMB's getter. |
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add_filter( "cmb2_override_option_get_{$this->option_key}", array( $this, 'network_get_override' ), 10, 2 ); |
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// Override CMB's setter. |
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add_filter( "cmb2_override_option_save_{$this->option_key}", array( $this, 'network_update_override' ), 10, 2 ); |
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} |
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} |
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|
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/** |
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* Hook up our admin menu item and admin page. |
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* |
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* @since 2.2.5 |
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* |
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* @return void |
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*/ |
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public function options_page_menu_hooks() { |
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$parent_slug = $this->cmb->prop( 'parent_slug' ); |
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$title = $this->cmb->prop( 'title' ); |
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$menu_title = $this->cmb->prop( 'menu_title', $title ); |
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$capability = $this->cmb->prop( 'capability' ); |
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$callback = array( $this, 'options_page_output' ); |
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|
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if ( $parent_slug ) { |
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$page_hook = add_submenu_page( |
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$parent_slug, |
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$title, |
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$menu_title, |
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$capability, |
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$this->option_key, |
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$callback |
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); |
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} else { |
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$page_hook = add_menu_page( |
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$title, |
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$menu_title, |
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$capability, |
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$this->option_key, |
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$callback, |
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$this->cmb->prop( 'icon_url' ), |
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$this->cmb->prop( 'position' ) |
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); |
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} |
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|
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if ( $this->cmb->prop( 'cmb_styles' ) ) { |
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// Include CMB CSS in the head to avoid FOUC. |
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add_action( "admin_print_styles-{$page_hook}", array( 'CMB2_hookup', 'enqueue_cmb_css' ) ); |
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} |
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|
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$this->maybe_register_message(); |
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} |
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|
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/** |
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* If there is a message callback, let it determine how to register the message, |
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* else add a settings message if on this settings page. |
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* |
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* @since 2.2.6 |
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* |
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* @return void |
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*/ |
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public function maybe_register_message() { |
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$is_options_page = self::is_page( $this->option_key ); |
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$should_notify = ! $this->cmb->prop( 'disable_settings_errors' ) && isset( $_GET['settings-updated'] ) && $is_options_page; |
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$is_updated = $should_notify && 'true' === $_GET['settings-updated']; |
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$setting = "{$this->option_key}-notices"; |
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$code = ''; |
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$message = __( 'Nothing to update.', 'cmb2' ); |
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$type = 'notice-warning'; |
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|
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if ( $is_updated ) { |
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$message = __( 'Settings updated.', 'cmb2' ); |
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$type = 'updated'; |
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} |
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|
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// Check if parameter has registered a callback. |
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if ( $cb = $this->cmb->maybe_callback( 'message_cb' ) ) { |
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|
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/** |
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* The 'message_cb' callback will receive the following parameters. |
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* Unless there are other reasons for notifications, the callback should only |
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* `add_settings_error()` if `$args['should_notify']` is truthy. |
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* |
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* @param CMB2 $cmb The CMB2 object. |
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* @param array $args { |
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* An array of message arguments |
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* |
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* @type bool $is_options_page Whether current page is this options page. |
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* @type bool $should_notify Whether options were saved and we should be notified. |
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* @type bool $is_updated Whether options were updated with save (or stayed the same). |
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* @type string $setting For add_settings_error(), Slug title of the setting to which |
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* this error applies. |
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* @type string $code For add_settings_error(), Slug-name to identify the error. |
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* Used as part of 'id' attribute in HTML output. |
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* @type string $message For add_settings_error(), The formatted message text to display |
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* to the user (will be shown inside styled `<div>` and `<p>` tags). |
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* Will be 'Settings updated.' if $is_updated is true, else 'Nothing to update.' |
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* @type string $type For add_settings_error(), Message type, controls HTML class. |
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* Accepts 'error', 'updated', '', 'notice-warning', etc. |
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* Will be 'updated' if $is_updated is true, else 'notice-warning'. |
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* } |
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*/ |
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$args = compact( 'is_options_page', 'should_notify', 'is_updated', 'setting', 'code', 'message', 'type' ); |
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|
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$this->cmb->do_callback( $cb, $args ); |
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|
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} elseif ( $should_notify ) { |
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|
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add_settings_error( $setting, $code, $message, $type ); |
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} |
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} |
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|
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/** |
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* Display options-page output. To override, set 'display_cb' box property. |
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* |
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* @since 2.2.5 |
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*/ |
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public function options_page_output() { |
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$this->maybe_output_settings_notices(); |
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|
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$callback = $this->cmb->prop( 'display_cb' ); |
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if ( is_callable( $callback ) ) { |
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return call_user_func( $callback, $this ); |
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} |
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|
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$tabs = $this->get_tab_group_tabs(); |
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?> |
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<div class="wrap cmb2-options-page option-<?php echo $this->option_key; ?>"> |
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<?php if ( $this->cmb->prop( 'title' ) ) : ?> |
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<h2><?php echo wp_kses_post( $this->cmb->prop( 'title' ) ); ?></h2> |
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<?php endif; ?> |
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<?php if ( ! empty( $tabs ) ) : ?> |
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<h2 class="nav-tab-wrapper"> |
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<?php foreach ( $tabs as $option_key => $tab_title ) : ?> |
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<a class="nav-tab<?php if ( self::is_page( $option_key ) ) : ?> nav-tab-active<?php endif; ?>" href="<?php menu_page_url( $option_key ); ?>"><?php echo wp_kses_post( $tab_title ); ?></a> |
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<?php endforeach; ?> |
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</h2> |
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<?php endif; ?> |
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<form class="cmb-form" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>" method="POST" id="<?php echo $this->cmb->cmb_id; ?>" enctype="multipart/form-data" encoding="multipart/form-data"> |
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<input type="hidden" name="action" value="<?php echo esc_attr( $this->option_key ); ?>"> |
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<?php $this->options_page_metabox(); ?> |
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<?php submit_button( esc_attr( $this->cmb->prop( 'save_button' ) ), 'primary', 'submit-cmb' ); ?> |
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</form> |
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</div> |
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<?php |
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} |
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|
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/** |
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* Outputs the settings notices if a) not a sub-page of 'options-general.php' |
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* (because settings_errors() already called in wp-admin/options-head.php), |
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* and b) the 'disable_settings_errors' prop is not set or truthy. |
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* |
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* @since 2.2.5 |
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* @return void |
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*/ |
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public function maybe_output_settings_notices() { |
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global $parent_file; |
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|
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// The settings sub-pages will already have settings_errors() called in wp-admin/options-head.php. |
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if ( 'options-general.php' !== $parent_file ) { |
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settings_errors( "{$this->option_key}-notices" ); |
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} |
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} |
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|
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/** |
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* Gets navigation tabs array for CMB2 options pages which share the |
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* same tab_group property. |
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* |
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* @since 2.4.0 |
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* @return array Array of tab information ($option_key => $tab_title) |
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*/ |
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public function get_tab_group_tabs() { |
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$tab_group = $this->cmb->prop( 'tab_group' ); |
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$tabs = array(); |
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|
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if ( $tab_group ) { |
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$boxes = CMB2_Boxes::get_by( 'tab_group', $tab_group ); |
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|
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foreach ( $boxes as $cmb_id => $cmb ) { |
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$option_key = $cmb->options_page_keys(); |
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|
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// Must have an option key, must be an options page box. |
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if ( ! isset( $option_key[0] ) || 'options-page' !== $cmb->mb_object_type() ) { |
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continue; |
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} |
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|
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$tabs[ $option_key[0] ] = $cmb->prop( 'tab_title', $cmb->prop( 'title' ) ); |
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} |
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} |
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|
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return $tabs; |
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} |
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|
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/** |
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* Display metaboxes for an options-page object. |
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* |
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* @since 2.2.5 |
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*/ |
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public function options_page_metabox() { |
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$this->show_form_for_type( 'options-page' ); |
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} |
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|
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/** |
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* Save data from options page, then redirects back. |
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* |
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* @since 2.2.5 |
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* @return void |
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*/ |
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public function save_options() { |
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$url = wp_get_referer(); |
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if ( ! $url ) { |
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$url = admin_url(); |
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} |
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|
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if ( |
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$this->can_save( 'options-page' ) |
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// check params. |
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&& isset( $_POST['submit-cmb'], $_POST['action'] ) |
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&& $this->option_key === $_POST['action'] |
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) { |
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|
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$updated = $this->cmb |
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->save_fields( $this->option_key, $this->cmb->object_type(), $_POST ) |
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->was_updated(); // Will be false if no values were changed/updated. |
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|
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$url = add_query_arg( 'settings-updated', $updated ? 'true' : 'false', $url ); |
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} |
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|
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wp_safe_redirect( esc_url_raw( $url ), 303 /* WP_Http::SEE_OTHER */ ); |
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exit; |
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} |
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|
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/** |
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* Replaces get_option with get_site_option. |
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* |
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* @since 2.2.5 |
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* |
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* @param mixed $test Not used. |
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* @param mixed $default Default value to use. |
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* @return mixed Value set for the network option. |
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*/ |
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public function network_get_override( $test, $default = false ) { |
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return get_site_option( $this->option_key, $default ); |
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} |
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|
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/** |
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* Replaces update_option with update_site_option. |
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* |
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* @since 2.2.5 |
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* |
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* @param mixed $test Not used. |
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* @param mixed $option_value Value to use. |
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* @return bool Success/Failure |
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*/ |
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public function network_update_override( $test, $option_value ) { |
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return update_site_option( $this->option_key, $option_value ); |
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} |
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|
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/** |
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* Determines if given page slug matches the 'page' GET query variable. |
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* |
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* @since 2.4.0 |
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* |
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* @param string $page Page slug. |
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* @return boolean |
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*/ |
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public static function is_page( $page ) { |
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return isset( $_GET['page'] ) && $page === $_GET['page']; |
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} |
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|
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/** |
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* Magic getter for our object. |
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* |
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* @param string $field Property to retrieve. |
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* |
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* @throws Exception Throws an exception if the field is invalid. |
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* @return mixed |
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*/ |
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public function __get( $field ) { |
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switch ( $field ) { |
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case 'object_type': |
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case 'option_key': |
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case 'cmb': |
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return $this->{$field}; |
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default: |
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throw new Exception( sprintf( esc_html__( 'Invalid %1$s property: %2$s', 'cmb2' ), __CLASS__, $field ) ); |
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} |
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} |
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} |
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|
