public void ReloadList()
{
listView.BeginUpdate();
listView.Items.Clear();
var newListItems = ManualOrdering ? _itemListEnumerator : _itemListEnumerator.OrderBy(x => x.Name);
Func <IBasicInfo, ListViewItem> createLvi =
x => new ListViewItem(new[] { x.Name, x.Enabled.ToString(), x.GetDetails(), TriggerCounter.GetCounter(x).ToString() })
{
Tag = x
};
if (_groupKeyGetter != null)
{
var groups = new Dictionary <string, ListViewGroup>();
var defaultGroup = new ListViewGroup("Ungrouped");
groups.Add("Ungrouped", defaultGroup);
foreach (var item in newListItems)
{
var lvi = createLvi(item);
var groupKey = _groupKeyGetter(item);
if (string.IsNullOrEmpty(groupKey))
{
defaultGroup.Items.Add(lvi);
}
else
{
ListViewGroup result;
if (!groups.TryGetValue(groupKey, out result))
{
result = new ListViewGroup(groupKey);
groups.Add(groupKey, result);
}
result.Items.Add(lvi);
}
listView.Items.Add(lvi);
}
listView.Groups.AddRange(groups.OrderBy(x => x.Key).Select(x => x.Value).ToArray());
}
else
{
listView.Items.AddRange(newListItems.Select(createLvi).ToArray());
}
listView.EndUpdate();
}
