Menu Order + Thumbnail

// === Solverius Admin Columns (Menu Order + Thumbnail) ===

// 1. Kolonları ekle

function solverius_add_columns($columns) {

    $new = [];

    foreach ($columns as $key => $value) {

        if ($key === 'cb') {

            $new[$key] = $value;

            $new['thumbnail'] = 'Görsel';

        } else {

            $new[$key] = $value;

        }

    }

    $new['menu_order'] = 'Sıra No';

    return $new;

}

add_filter('manage_posts_columns', 'solverius_add_columns');

add_filter('manage_pages_columns', 'solverius_add_columns');

// 2. Kolon içerikleri

function solverius_render_columns($column, $post_id) {

    // Thumbnail

    if ($column === 'thumbnail') {

        if (has_post_thumbnail($post_id)) {

            echo get_the_post_thumbnail($post_id, [60,60]);

        } else {

            echo '<span style="opacity:0.5;">-</span>';

        }

    }

    // Menu Order (native WP)

    if ($column === 'menu_order') {

        $post = get_post($post_id);

        // 2 haneli format (00, 01, 02)

        echo str_pad($post->menu_order, 2, '0', STR_PAD_LEFT);

    }

}

add_action('manage_posts_custom_column', 'solverius_render_columns', 10, 2);

add_action('manage_pages_custom_column', 'solverius_render_columns', 10, 2);

// 3. Sıralanabilir yap (çok önemli)

function solverius_sortable_columns($columns) {

    $columns['menu_order'] = 'menu_order';

    return $columns;

}

add_filter('manage_edit-page_sortable_columns', 'solverius_sortable_columns');

add_filter('manage_edit-post_sortable_columns', 'solverius_sortable_columns');

// 4. Gerçek sıralama query fix (WP bazen bug yapar)

function solverius_orderby_menu_order($query) {

    if (!is_admin()) return;

    if ($query->get('orderby') === 'menu_order') {

        $query->set('orderby', 'menu_order');

        $query->set('order', 'ASC');

    }

}

add_action('pre_get_posts', 'solverius_orderby_menu_order');

// 5. Stil

add_action('admin_head', function() {

    echo '<style>

        .column-thumbnail { width:80px; text-align:center; }

        .column-menu_order { width:90px; font-weight:600; }

    </style>';

});