private void OnGroupPickerItemTap(object sender, Telerik.Windows.Controls.GroupPickerItemTapEventArgs e)
{
foreach (DataGroup group in LstMediaItems.Groups)
{
if (object.Equals(DateTime.Parse(Convert.ToString(e.DataItem)), group.Key))
{
e.DataItemToNavigate = group;
return;
}
}
}
private void JumpListAll_GroupPickerItemTap(object sender, Telerik.Windows.Controls.GroupPickerItemTapEventArgs e)
{
var keys = JumpListAll.Groups.Select(it => ((MonthGroup)it.Key).MonthIndex).ToList();
var nextKeyQuery = _model.ContactGroups.Where(it => it.MonthIndex >= ((MonthGroup)e.DataItem).MonthIndex).Select(it => it.MonthIndex);
var nextKey = nextKeyQuery.Any() ? nextKeyQuery.Min() : _model.ContactGroups.Select(it => it.MonthIndex).Min();
while (!JumpListAll.Groups.Select(it => ((MonthGroup)it.Key).MonthIndex).Contains(nextKey))
{
_model.LoadNextContacts();
JumpListAll.RefreshData();
}
foreach (DataGroup group in JumpListAll.Groups)
{
if (object.Equals(nextKey, ((MonthGroup)group.Key).MonthIndex))
{
e.ClosePicker = true;
e.ScrollToItem = true;
e.DataItemToNavigate = group;
return;
}
}
}
