const RowExpand = (function (){

    const $status_expand_all = $("#js-row-expand-all");

    let track_open_rows = [];

    function open_child_row(child_class_name){
        const $children = $(`.${child_class_name}`);

        if(!track_open_rows.includes(child_class_name)) {
            $children.css('display', 'table-row');
            track_open_rows.push(child_class_name);
        }else{
            $children.css('display', 'none');
            track_open_rows = [...Util.removeItemFromArray(track_open_rows, child_class_name)];
        }
    }

    function open_all_row(){
        if(!track_open_rows.includes('expand_all')) {
            $(".row").css('display', 'table-row');
            track_open_rows.push('expand_all');

            $status_expand_all.html("[-]");

        }else{
            // collapse all
            $(".row").css('display', 'none');
            // open only first parent
            $(".parent_0").css('display', 'table-row');

            track_open_rows = [];

            $status_expand_all.html("[+]");
        }
    }

    return {
        open_child: open_child_row,
        open_all: open_all_row
    }

})();