jQGrid сортировка данных локально две колонки группировка

Question

Предположим, у меня есть два столбца в локальных данных jqGrid, один из которых - столбец name, а другой столбец date. В столбце name могут быть дубликаты. Мне бы хотелось, когда я сортирую столбец имен, он сортируется, но для дубликатов столбца даты вторично сортируется.

Например, предположим, что данные выглядит следующим образом:

Date    Name 
1/2/2013   EBC 
1/3/2013   BBC 
2/4/2013   EBC 
3/2/2013   BBC 
4/3/2013   ABC 
4/2/2013   ABC 

Я хочу, чтобы быть отсортированы как:

Date    Name 
4/2/2013   ABC 
4/3/2013   ABC 
1/3/2013   BBC 
3/2/2013   BBC 
1/2/2013   EBC 
2/4/2013   EBC 

Где можно увидеть даты, также сортируются.

Мои colModels просты:: Вместо этого, когда я сортировка теперь я что-то вроде этого, видя

{ 
    name : 'ymd', 
    index : 'ymd', 
    width : 90, 
    sorttype : "date", 
    align : 'center', 
    search : true 
}, 
{ 
    name : 'placement_inv_code', 
    index : 'placement_inv_code', 
    width : 80, 
    align : 'center', 
    search : true 
} 

Во всяком случае, есть простой способ сделать это, когда я сортировку инициализировать локальными данными?

образец данных:

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

Answer 1

Если вы используете локальный тип данных, то вы можете использовать простое и гибкое решение проблемы. Вам нужно определить sorttype свойство как функция во второй колонке placement_inv_code ('Name'). Функция sorttype имеет два параметра. Второй параметр (например, obj) позволяет получить доступ ко всем другим столбцам строки (например, obj.ymd). Значение, возвращаемое функцией sorttype, будет использоваться jqGrid во время сортировки. Вы найдете примеры такой реализации here, here, here и другие старые ответы.

ОБНОВЛЕНО: The demo использует следующую sorttype для placement_inv_code колонки

sorttype: function (cellValue, item) { 
    return cellValue + '_' + item.ymd; 
} 

В результате, если пользователь нажимает на placement_inv_code колонок jqGrid использует item.placement_inv_code + '_' + item.ymd строку deternine порядка строк во время сортировка. В результате вы увидите

Кстати формат item.ymd будет таким же (как "2013-09-19"), даже если отображается столбец даты в другом формате. См. modified demo, чтобы продемонстрировать это.Если вы установите точку останова внутри обратного вызова sorttype, вы все равно увидите item.ymd в том же формате даты ISO 8601, что и во входных данных. Таким образом, обратный вызов sorttype поможет jqGrid правильно отсортировать данные.

Answer 2

Если вы в jqGrid версии 4.5.0 или выше, они добавили в Multisort (через журнал изменений в http://www.trirand.com/jqgridwiki/doku.php?id=wiki:change)

Я лично пытался осуществить это и не было самый успешный, так что он реализовал его с помощью логики на стороне сервера, но с локальными данными вам может быть повезло больше.

Наиболее я могу ссылаться на вас есть вопрос: http://www.trirand.com/blog/?page_id=393/bugs/cant-sortgrid-with-multiple-columns-when-multisorttrue/