__( 'Book Pages', 'adventurebook' ),
'singular_name' => __( 'Book Page', 'adventurebook' ),
'menu_name' => __( 'Book Pages', 'adventurebook' ),
'name_admin_bar' => __( 'Book Page', 'adventurebook' ),
'add_new' => __( 'Add New Page', 'adventurebook' ),
'add_new_item' => __( 'Add New Book Page', 'adventurebook' ),
'new_item' => __( 'New Book Page', 'adventurebook' ),
'edit_item' => __( 'Edit Book Page', 'adventurebook' ),
'view_item' => __( 'View Book Page', 'adventurebook' ),
'all_items' => __( 'Book Pages', 'adventurebook' ),
'search_items' => __( 'Search Book Pages', 'adventurebook' ),
'not_found' => __( 'No book pages found.', 'adventurebook' ),
'not_found_in_trash' => __( 'No book pages found in Trash.', 'adventurebook' )
);
$args = array(
'labels' => $labels,
'public' => false,
'publicly_queryable' => false,
'exclude_from_search' => true,
'show_ui' => true,
'show_in_menu' => 'adventurebook_main',
'query_var' => true,
'rewrite' => false,
'capability_type' => 'post',
'has_archive' => true,
'hierarchical' => true, // Allows pages to be a "child" of a book
'menu_position' => 6,
'menu_icon' => 'dashicons-admin-page',
'supports' => array( 'title', 'editor' ),
'show_in_rest' => true,
);
register_post_type( 'adventurebook_page', $args );
}
/**
* Add parent filter dropdown in the admin list with nonce field
*/
add_action( 'restrict_manage_posts', 'adventurebook_page_parent_filter' );
function adventurebook_page_parent_filter() {
global $typenow;
if ( $typenow !== 'adventurebook_page' ) {
return;
}
$parents = get_posts( array(
'post_type' => 'adventurebook',
'posts_per_page' => - 1,
'orderby' => 'title',
'order' => 'ASC'
) );
// Security-Check: check for nonce
if ( isset( $_GET['adventurebook_filter_nonce'] )
&& ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['adventurebook_filter_nonce'] ) ), 'adventurebook_filter_action' ) ) {
return;
}
$user_id = get_current_user_id();
$persisted_parent = get_user_meta( $user_id, 'adventurebook_last_parent', true );
$selected = isset( $_GET['adventurebook_parent'] ) ? sanitize_text_field( wp_unslash( $_GET['adventurebook_parent'] ) ) : $persisted_parent;
echo '';
// Output nonce field for the filter
wp_nonce_field( 'adventurebook_filter_action', 'adventurebook_filter_nonce' );
}
/**
* Apply filter to the list and save user meta only if nonce is valid
*/
add_action( 'pre_get_posts', 'adventurebook_page_filter_by_parent' );
function adventurebook_page_filter_by_parent( $query ) {
global $pagenow;
if ( $pagenow !== 'edit.php' ) {
return;
}
if ( $query->get( 'post_type' ) !== 'adventurebook_page' ) {
return;
}
$user_id = get_current_user_id();
if ( isset( $_GET['adventurebook_parent'] ) ) {
// Verify nonce before persisting
if ( ! isset( $_GET['adventurebook_filter_nonce'] )
|| ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['adventurebook_filter_nonce'] ) ), 'adventurebook_filter_action' ) ) {
return;
}
$parent_id = intval( $_GET['adventurebook_parent'] );
if ( $parent_id > 0 ) {
update_user_meta( $user_id, 'adventurebook_last_parent', $parent_id );
$query->set( 'post_parent', $parent_id );
} else {
delete_user_meta( $user_id, 'adventurebook_last_parent' );
}
} else {
$last_parent = get_user_meta( $user_id, 'adventurebook_last_parent', true );
if ( $last_parent ) {
$query->set( 'post_parent', intval( $last_parent ) );
}
}
}
/**
* Keep filter persistent on redirects
*/
add_filter( 'redirect_post_location', 'adventurebook_persist_parent_filter_redirect', 10, 2 );
function adventurebook_persist_parent_filter_redirect( $location, $post_id ) {
if ( get_post_type( $post_id ) !== 'adventurebook_page' ) {
return $location;
}
// Security-Check: check for nonce
if ( isset( $_GET['adventurebook_filter_nonce'] )
&& ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['adventurebook_filter_nonce'] ) ), 'adventurebook_filter_action' ) ) {
return $location;
}
$user_id = get_current_user_id();
$last_parent = get_user_meta( $user_id, 'adventurebook_last_parent', true );
if ( $last_parent ) {
$location = add_query_arg( 'adventurebook_parent', intval( $last_parent ), $location );
}
return $location;
}
/**
* Hide the default Add New button
*/
add_action( 'admin_head', 'adventurebook_hide_default_add_new_button' );
function adventurebook_hide_default_add_new_button() {
global $typenow;
if ( $typenow !== 'adventurebook_page' ) {
return;
}
echo '';
}
/**
* Add custom Add New Book Page button next to the post type title
*/
add_action( 'admin_notices', 'adventurebook_add_new_button_standard_position' );
function adventurebook_add_new_button_standard_position() {
global $pagenow, $typenow;
if ( $pagenow !== 'edit.php' || $typenow !== 'adventurebook_page' ) {
return;
}
$user_id = get_current_user_id();
$last_parent = get_user_meta( $user_id, 'adventurebook_last_parent', true );
if ( empty( $last_parent ) ) {
$first_parent = get_posts( array(
'post_type' => 'adventurebook',
'posts_per_page' => 1,
'orderby' => 'title',
'order' => 'ASC'
) );
if ( $first_parent ) {
$last_parent = $first_parent[0]->ID;
}
}
$link = add_query_arg( array(
'post_type' => 'adventurebook_page',
'parent_adventurebook' => intval( $last_parent ),
'_adventurebook_nonce' => wp_create_nonce( 'adventurebook_set_parent_action' )
), admin_url( 'post-new.php' ) );
echo '';
}
/**
* Automatically set parent when creating a new adventurebook_page
* (already uses nonce verification via _adventurebook_nonce)
*/
add_action( 'load-post-new.php', 'adventurebook_set_new_page_parent' );
function adventurebook_set_new_page_parent() {
if ( ! isset( $_GET['parent_adventurebook'] ) ) {
return;
}
if ( ! isset( $_GET['_adventurebook_nonce'] )
|| ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_adventurebook_nonce'] ) ), 'adventurebook_set_parent_action' ) ) {
return;
}
$parent_id = intval( $_GET['parent_adventurebook'] );
add_action( 'save_post_adventurebook_page', function ( $post_id, $post, $update ) use ( $parent_id ) {
if ( ! $update ) {
wp_update_post( array(
'ID' => $post_id,
'post_parent' => $parent_id
) );
}
}, 10, 3 );
}
/**
* Get the adventurebook type of the parent adventurebook of the given post type
* returns "storybook", "game" or null if not applicable
*
* @param $post_type
* @param null $post
*
* @return string|null
*/
function adventurebook_get_type( $post_type, $post = null ): ?string {
if ( $post_type !== 'adventurebook_page' ) {
return null;
}
// context check
if ( ! $post instanceof WP_Post ) {
$post = get_post();
}
if ( ! $post ) {
return null;
}
// nonce check
if ( isset( $_REQUEST['_wpnonce'] ) && ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_REQUEST['_wpnonce'] ) ), 'adventurebook_edit_page' ) ) {
return null;
}
// check if the adventurebook (parent of this page) is "game"-type
// get the parent
$parent_id = wp_get_post_parent_id( $post->ID );
if ( ! $parent_id ) {
return null;
}
$parent_post = get_post( $parent_id );
if ( ! $parent_post || $parent_post->post_type !== 'adventurebook' ) {
return null;
}
return get_post_meta( $parent_id, '_adventurebook_type', true );
}
// 1. Add a new column to the CPT admin table
add_filter( 'manage_adventurebook_page_posts_columns', function ( $columns ) {
// Insert new column after the Title column
$new = [];
foreach ( $columns as $key => $value ) {
$new[ $key ] = $value;
if ( 'title' === $key ) {
$new['page_id'] = __( 'ID', 'adventurebook' );
}
}
return $new;
} );
// 2. Render the column content
add_action( 'manage_adventurebook_page_posts_custom_column', function ( $column_name, $post_id ) {
if ( 'page_id' === $column_name ) {
echo intval( $post_id );
}
}, 10, 2 );
// 3. (Optional) Make it sortable
add_filter( 'manage_edit-adventurebook_page_sortable_columns', function ( $columns ) {
$columns['page_id'] = 'ID';
return $columns;
} );
// add custom columns to the admin list
function adventurebook_page_add_custom_columns( $columns ) {
$columns['decisions'] = __( 'Decisions', 'adventurebook' );
$columns['item_spawns'] = __( 'Item Spawns', 'adventurebook' );
$columns['enemy_spawns'] = __( 'Enemy Spawns', 'adventurebook' );
$columns['resources'] = __( 'Resources', 'adventurebook' );
return $columns;
}
// fill the custom columns with content
add_filter( 'manage_adventurebook_page_posts_columns', 'adventurebook_page_add_custom_columns' );
add_action( 'manage_adventurebook_page_posts_custom_column', 'adventurebook_page_custom_column_content', 10, 2 );
function adventurebook_page_custom_column_content( $column, $post_id ) {
if ( $column === 'decisions' ) {
// list the decisions for this page
// they are stored as post meta with key "_adventurebook_decisions" as an array of arrays
$decisions = get_post_meta( $post_id, '_adventurebook_decision_options', true );
if ( is_array( $decisions ) && count( $decisions ) > 0 ) {
echo '
';
foreach ( $decisions as $decision ) {
// show the decision text and link it to the target page if set
$label = $decision['label'] ?? '';
$target_page_id = isset( $decision['target'] ) ? intval( $decision['target'] ) : 0;
if ( $target_page_id > 0 ) {
$target_page = get_post( $target_page_id );
if ( $target_page ) {
// show an edit link to the target page (CTP adventurebook_page)
$edit_link = get_edit_post_link( $target_page_id );
echo '
' . esc_html( $label ) . ' → ' . esc_html( $target_page->post_title ) . ' (' . esc_html( $target_page_id ) . ')';
// if the decision has a restriction_type != '', show it in parentheses with the restriction_value
if ( isset( $decision['restriction_type'] ) && $decision['restriction_type'] !== 'none' ) {
$restriction_type = $decision['restriction_type'];
$restriction_value = $decision['restriction_value'] ?? '';
echo ' (' . esc_html( ucfirst( str_replace( '_', ' ', $restriction_type ) ) );
if ( $restriction_value !== '' ) {
echo ': ' . esc_html( $restriction_value );
}
echo ')';
}
echo '