WordPress - Agregar campo editable desde Edición Rápida

# Nuevo campo para ordenar

function pampa_quickedit_custom_posts_columns( $posts_columns ) {
    $posts_columns['pampa_orden'] = __( 'Orden', 'pampa' );
    return $posts_columns;
}
add_filter( 'manage_portfolio_posts_columns', 'pampa_quickedit_custom_posts_columns' );

# Visibilidad de columna en el backend

function pampa_quickedit_custom_column_display( $column_name, $post_id ) {
    if ( 'pampa_orden' == $column_name ) {
        $pampa_orden = get_post_meta( $post_id, 'pampa_orden', true );

        if ( $pampa_orden ) {
            echo esc_html( $pampa_orden );
        } else {
            esc_html_e( 'N/D', 'pampa' );
        }
    }
}
add_action( 'manage_portfolio_posts_custom_column', 'pampa_quickedit_custom_column_display', 10, 2 );

# Visibilidad en Edición Rápida

function pampa_quickedit_fields( $column_name, $post_type ) {
    if ( 'pampa_orden' != $column_name )
        return;

    $pampa_orden = get_post_meta( $post_id, 'pampa_orden', true );
    ?>
    <fieldset class="inline-edit-col-right">
        <div class="inline-edit-col">
            <label>
                <span class="title"><?php esc_html_e( 'Orden', 'pampa' ); ?></span>
                <span class="input-text-wrap">
                    <input type="number" min="1" name="pampa_orden" class="pampaOrden" value="" style="width: auto; margin-left: -31px;">
                </span>
            </label>
        </div>
    </fieldset>
    <?php
}
add_action( 'quick_edit_custom_box', 'pampa_quickedit_fields', 10, 2 );

# Almacenar datos en la base de datos

function pampa_quickedit_save_post( $post_id, $post ) {
    // if called by autosave, then bail here
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
        return;

    // if this "post" post type?
    if ( $post->post_type != 'portfolio' )
        return;

    // does this user have permissions?
     if ( ! current_user_can( 'edit_post', $post_id ) )
         return;

    // update!
    if ( isset( $_POST['pampa_orden'] ) ) {
        update_post_meta( $post_id, 'pampa_orden', $_POST['pampa_orden'] );
    }
}
add_action( 'save_post', 'pampa_quickedit_save_post', 10, 2 );

# Cargar el valor del campo en la edición rápida

function pampa_quickedit_javascript() {
    $current_screen = get_current_screen();
    if ( $current_screen->id != 'edit-portfolio' || $current_screen->post_type != 'portfolio' )
        return;

    // Ensure jQuery library loads
    wp_enqueue_script( 'jquery' );
    ?>
    <script type="text/javascript">
        jQuery( function( $ ) {
            $( '#the-list' ).on( 'click', 'button.editinline', function( e ) {
                e.preventDefault();
                var pampaOrden = $(this).data( 'pampa-orden' );
                inlineEditPost.revert();
                $( '.pampaOrden' ).val( pampaOrden ? pampaOrden : '' );
            });
        });
    </script>
    <?php
}
add_action( 'admin_print_footer_scripts-edit.php', 'pampa_quickedit_javascript' );

function pampa_quickedit_set_data( $actions, $post ) {
    $found_value = get_post_meta( $post->ID, 'pampa_orden', true );

    if ( $found_value ) {
        if ( isset( $actions['inline hide-if-no-js'] ) ) {
            $new_attribute = sprintf( 'data-pampa-orden="%s"', esc_attr( $found_value ) );
            $actions['inline hide-if-no-js'] = str_replace( 'class=', "$new_attribute class=", $actions['inline hide-if-no-js'] );
        }
    }

    return $actions;
}
add_filter('post_row_actions', 'pampa_quickedit_set_data', 10, 2);

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