function OnInit(initData) {
    initData.name = 'AddRemoveLabelColumns';
    initData.version = '2024-01-10';
    initData.default_enable = true;
    initData.url = 'https://resource.dopus.com/t/a-button-check-and-show-status-column-if-there-is-at-least-one-file-folder-has-status/40448/5';
    initData.min_version = '12.0';
}

function OnAfterFolderChange(afterFolderChangeData) {
    if (!afterFolderChangeData.result) return;
    var tab = afterFolderChangeData.tab;
    var cmd = DOpus.Create().Command();
    cmd.deselect = false;
    cmd.SetSourceTab(tab);
    var hasLabels = false;

    for (var e = new Enumerator(tab.all); !e.atEnd(); e.moveNext()) {
        var item = e.item();
        if (!item.Labels().count) continue;
        hasLabels = true;
        break;
    }

    if (hasLabels) {
        cmd.RunCommand('Set COLUMNSADD=status(!,a,0)');
        cmd.RunCommand('Set COLUMNSADD=label(!,a,0)');
    } else {
        cmd.RunCommand('Set COLUMNSREMOVE=status(!,a,0)');
        cmd.RunCommand('Set COLUMNSREMOVE=label(!,a,0)');
    }
}