File admin/class-papi-admin-menu.php

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<?php

/**
 * Admin class that handles admin menus.
 */
final class Papi_Admin_Menu {

    /**
     * The construct.
     */
    public function __construct() {
        $this->setup_actions();
    }

    /**
     * Fill labels on admin bar.
     */
    public function admin_bar_menu() {
        if ( $entry_type = $this->get_entry_type() ) {
            $this->override_labels( $entry_type );
        }
    }

    /**
     * Get current type class.
     *
     * @return Papi_Entry_Type
     */
    private function get_entry_type() {
        if ( $entry_type = papi_get_entry_type_by_id( papi_get_entry_type_id() ) ) {
            return $entry_type;
        }
    }

    /**
     * Override labels with labels from the entry type.
     *
     * @param Papi_Entry_Type $entry_type
     */
    private function override_labels( Papi_Entry_Type $entry_type ) {
        global $wp_post_types, $wp_taxonomies;

        if ( $entry_type->type === 'taxonomy' ) {
            $meta_type_value = papi_get_taxonomy();
        } else {
            $meta_type_value = papi_get_post_type();
        }

        if ( empty( $meta_type_value ) || ( ! isset( $wp_post_types[$meta_type_value] ) && ! isset( $wp_taxonomies[$meta_type_value] ) ) ) {
            return;
        }

        foreach ( $entry_type->get_labels() as $key => $value ) {
            // @codeCoverageIgnoreStart
            if ( empty( $value ) ) {
                continue;
            }
            // @codeCoverageIgnoreEnd

            if ( $entry_type->type === 'taxonomy' && isset( $wp_taxonomies[$meta_type_value]->labels->$key ) ) {
                $wp_taxonomies[$meta_type_value]->labels->$key = $value;
            } else if ( isset( $wp_post_types[$meta_type_value]->labels->$key ) ) {
                $wp_post_types[$meta_type_value]->labels->$key = $value;
            }
        }
    }

    /**
     * Page items menu.
     *
     * This function will register all entry types
     * that has a fake post type. Like option types.
     */
    public function page_items_menu() {
        $entry_types = papi_get_all_entry_types( [
            'mode'  => 'exclude',
            'types' => 'page'
        ] );

        foreach ( $entry_types as $entry_type ) {
            // @codeCoverageIgnoreStart
            if ( empty( $entry_type->menu ) || empty( $entry_type->name ) ) {
                continue;
            }
            // @codeCoverageIgnoreEnd

            $slug = sprintf(
                'papi/%s/%s',
                $entry_type->get_type(),
                $entry_type->get_id()
            );

            add_submenu_page(
                $entry_type->menu,
                $entry_type->name,
                $entry_type->name,
                $entry_type->capability,
                $slug,
                [$entry_type, 'render']
            );
        }
    }

    /**
     * Setup menu items for real post types.
     */
    public function post_types_menu() {
        global $submenu;

        $post_types = papi_get_post_types();

        foreach ( $post_types as $post_type ) {
            // @codeCoverageIgnoreStart
            if ( ! post_type_exists( $post_type ) ) {
                continue;
            }
            // @codeCoverageIgnoreEnd

            if ( $post_type === 'post' ) {
                $edit_url = 'edit.php';
            } else {
                $edit_url = 'edit.php?post_type=' . $post_type;
            }

            if ( ! isset( $submenu[$edit_url], $submenu[$edit_url][10], $submenu[$edit_url][10][2] ) ) {
                $post_type_object = get_post_type_object( $post_type );

                if ( $post_type_object->show_in_menu !== true ) {
                    $submenu[$edit_url] = [
                        10 => [
                            __( 'Add New', 'papi' ),
                            'edit_posts',
                            'post-new.php'
                        ]
                    ];
                } else {
                    continue;
                }
            }

            $only_page_type = papi_filter_settings_only_page_type( $post_type );
            $page_types     = papi_get_all_page_types( $post_type );
            $show_standard  = false;

            // Don't change menu item when no page types is found.
            // @codeCoverageIgnoreStart
            if ( empty( $page_types ) ) {
                continue;
            }
            // @codeCoverageIgnoreEnd

            if ( count( $page_types ) === 1 && empty( $only_page_type ) ) {
                $show_standard  = papi_filter_settings_show_standard_page_type( $post_type );
                $only_page_type = $show_standard ? '' : $page_types[0]->get_id();
            }

            if ( ! empty( $only_page_type ) && ! $show_standard ) {
                $submenu[$edit_url][10][2] = papi_get_page_new_url(
                    $only_page_type,
                    false,
                    $post_type,
                    [
                        'post_parent',
                        'lang'
                    ]
                );
            } else {
                $page  = 'papi-add-new-page,' . $post_type;
                $start = strpos( $edit_url, 'post_type' ) === false ? '?' : '&';

                $submenu[$edit_url][10][2] = sprintf(
                    '%s%spage=%s',
                    $edit_url,
                    $start,
                    $page
                );

                // Add menu item.
                add_menu_page(
                    __( 'Add New', 'papi' ),
                    __( 'Add New', 'papi' ),
                    'read',
                    $page,
                    [$this, 'render_view']
                );

                // Remove the menu item so it's hidden.
                remove_menu_page( $page );
            }
        }
    }

    /**
     * Menu callback that loads right view depending on what the `page` query string says.
     */
    public function render_view() {
        if ( strpos( papi_get_qs( 'page' ), 'papi' ) !== false ) {
            $page = str_replace( 'papi-', '', papi_get_qs( 'page' ) );
            $res = preg_replace( '/\,.*/', '', $page );

            if ( is_string( $res ) ) {
                $page_view = $res;
            }
        }

        if ( ! isset( $page_view ) ) {
            $page_view = null;
        }

        if ( ! is_null( $page_view ) ) {
            $view = new Papi_Admin_View;
            $view->render( $page_view );
        } else {
            echo '<h2>Papi - 404</h2>';
        }
    }

    /**
     * Setup actions.
     */
    private function setup_actions() {
        if ( is_admin() ) {
            add_action( 'admin_init', [$this, 'admin_bar_menu'] );
            add_action( 'admin_menu', [$this, 'page_items_menu'] );
            add_action( 'admin_menu', [$this, 'post_types_menu'] );
        } else {
            add_action( 'admin_bar_menu', [$this, 'admin_bar_menu'] );
        }
    }
}

new Papi_Admin_Menu;

Classes

Functions