true,
'single' => true,
'type' => 'string',
'sanitize_callback' => 'wp_kses_post',
));
register_post_meta( '', '_adno_show_message', array(
'show_in_rest' => true,
'single' => true,
'type' => 'boolean',
'sanitize_callback' => 'rest_sanitize_boolean',
));
}
add_action( 'init', 'adno_register_meta' );
function adno_add_meta_box() {
add_meta_box(
'adno_notes_meta_box',
esc_html__( 'Admin Notes', 'adminnotes' ),
'adno_render_meta_box',
['post', 'page'],
'normal',
'high'
);
}
add_action( 'add_meta_boxes', 'adno_add_meta_box' );
function adno_render_meta_box( $post ) {
wp_nonce_field( 'adno_save_notes', 'adno_notes_nonce' );
$notes = get_post_meta( $post->ID, '_adno_notes', true );
$show_message = get_post_meta( $post->ID, '_adno_show_message', true );
$settings = array(
'textarea_name' => 'adno_notes',
'textarea_rows' => 10,
'media_buttons' => false,
'tinymce' => array(
'toolbar1' => 'bold,italic,underline,blockquote,|,bullist,numlist,|,link,unlink,|,removeformat',
'toolbar2' => '',
),
);
echo '';
wp_editor( $notes, 'adno_notes_editor', $settings );
echo '
';
echo '';
echo '';
echo '
';
}
function adno_save_notes( $post_id ) {
if ( ! isset( $_POST['adno_notes_nonce'] ) ) {
return;
}
$nonce = sanitize_text_field( wp_unslash( $_POST['adno_notes_nonce'] ) );
if ( ! wp_verify_nonce( $nonce, 'adno_save_notes' ) ) {
return;
}
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
if ( ! current_user_can( 'edit_post', $post_id ) ) {
return;
}
if ( isset( $_POST['adno_notes'] ) ) {
$notes = wp_kses_post( wp_unslash( $_POST['adno_notes'] ) );
update_post_meta( $post_id, '_adno_notes', $notes );
}
$show_message = filter_input( INPUT_POST, 'adno_show_message', FILTER_VALIDATE_BOOLEAN );
update_post_meta( $post_id, '_adno_show_message', $show_message );
}
add_action( 'save_post', 'adno_save_notes' );
function adno_register_block() {
wp_register_script(
'adno-block',
plugins_url( 'js/block.js', __FILE__ ),
array( 'wp-blocks', 'wp-element', 'wp-editor', 'wp-components', 'wp-data' ),
filemtime( plugin_dir_path( __FILE__ ) . 'js/block.js' ),
true
);
wp_register_style(
'adno-block-editor',
plugins_url( 'css/editor.css', __FILE__ ),
array( 'wp-edit-blocks' ),
filemtime( plugin_dir_path( __FILE__ ) . 'css/editor.css' )
);
wp_register_style(
'adno-block',
plugins_url( 'css/style.css', __FILE__ ),
array(),
filemtime( plugin_dir_path( __FILE__ ) . 'css/style.css' )
);
register_block_type( 'adno/admin-notes', array(
'editor_script' => 'adno-block',
'editor_style' => 'adno-block-editor',
'style' => 'adno-block',
'render_callback' => 'adno_render_block',
'attributes' => array(
'notes' => array(
'type' => 'string',
'default' => '',
),
),
));
}
add_action( 'init', 'adno_register_block' );
function adno_render_block( $attributes, $content ) {
global $post;
if ( ! $post ) {
return '';
}
$notes = get_post_meta( $post->ID, '_adno_notes', true );
if ( empty( $notes ) ) {
return '';
}
ob_start();
?>
';
echo '' . esc_html__( 'Attention!', 'adminnotes' ) . ' ' . esc_html__( 'Please read the admin notes before editing this post or page.', 'adminnotes' ) . '
';
echo '';
}
}
add_action( 'admin_notices', 'adno_display_admin_notice' );
function adno_enqueue_admin_scripts( $hook ) {
if ( ! in_array( $hook, array( 'post.php', 'post-new.php' ), true ) ) {
return;
}
wp_enqueue_script( 'adno-admin-notice', '', array( 'jquery' ), '1.0', true );
$inline_script = "
( function( $ ) {
$( document ).ready( function() {
$( '.adno-admin-notice' ).on( 'click', '.notice-dismiss', function() {
} );
} );
} )( jQuery );
";
wp_add_inline_script( 'adno-admin-notice', $inline_script );
}
add_action( 'admin_enqueue_scripts', 'adno_enqueue_admin_scripts' );
?>