/// <summary>
/// Выполняет группировку элементов
/// </summary>
protected override void SetGroupsToItems()
{
itemsListView.Groups.Clear();
if (OldColumnIndex != 9)
{
foreach (var item in ListViewItemList)
{
var temp = ListViewGroupHelper.GetGroupString(item.Tag);
itemsListView.Groups.Add(temp, temp);
item.Group = itemsListView.Groups[temp];
}
}
else
{
//Группировка элементов по датам выполнения
var groupedItems = ListViewItemList.Where(lvi => lvi.Tag != null &&
lvi.Tag is NextPerformance)
.GroupBy(lvi => Convert.ToDateTime(((NextPerformance)lvi.Tag).PerformanceDate).Date);
foreach (var groupedItem in groupedItems)
{
//Собрание всех выполнений на данную дату в одну коллекцию
var performances = groupedItem.Select(lvi => lvi.Tag as NextPerformance).ToList();
var temp = ListViewGroupHelper.GetGroupStringByPerformanceDate(performances, groupedItem.Key.Date);
itemsListView.Groups.Add(temp, temp);
foreach (var item in groupedItem)
{
item.Group = itemsListView.Groups[temp];
}
}
}
}
protected override void SortItems(int columnIndex)
{
if (OldColumnIndex != columnIndex)
{
SortMultiplier = -1;
}
if (SortMultiplier == 1)
{
SortMultiplier = -1;
}
else
{
SortMultiplier = 1;
}
itemsListView.Items.Clear();
SetGroupsToItems();
List <ListViewItem> resultList = new List <ListViewItem>();
if (columnIndex <= 6 || columnIndex == 19 || columnIndex == 20)
{
ListViewItemList.Sort(new BaseListViewComparer(columnIndex, SortMultiplier));
//добавление остальных подзадач
foreach (ListViewItem item in ListViewItemList)
{
if (item.Tag is Component)
{
resultList.Add(item);
Component component = (Component)item.Tag;
IEnumerable <ListViewItem> items =
ListViewItemList
.Where(lvi => lvi.Tag is ComponentDirective && ((ComponentDirective)lvi.Tag).ComponentId == component.ItemId);
foreach (ListViewItem listViewItem in items)
{
listViewItem.Group = item.Group;
}
resultList.AddRange(items);
}
}
}
else
{
//добавление остальных подзадач
foreach (ListViewItem item in ListViewItemList)
{
if (item.Tag is Component)
{
resultList.Add(item);
Component component = (Component)item.Tag;
IEnumerable <ListViewItem> items =
ListViewItemList
.Where(lvi => lvi.Tag is ComponentDirective && ((ComponentDirective)lvi.Tag).ComponentId == component.ItemId);
foreach (ListViewItem listViewItem in items)
{
listViewItem.Group = item.Group;
}
resultList.AddRange(items);
}
}
resultList.Sort(new BaseListViewComparer(columnIndex, SortMultiplier));
}
itemsListView.Items.AddRange(resultList.ToArray());
OldColumnIndex = columnIndex;
}