private void ResetFilters()
{
lstVoters.FilterDescriptors.Clear();
lstVoters.SortDescriptors.Clear();
sortByHouseNumber.SortMode = ListSortMode.Ascending;
lstVoters.SortDescriptors.Add(sortByHouseNumber);
oddEvenSortOrder = OddEvenSortOrder.None;
UpdateOddEvenButtonEnabled();
}
private void ApplicationBarIconButtonSortOddEven_Click(object sender, EventArgs e)
{
// Tapping this button more than once will cycle through four different sort orders,
// OddFirst (1 3 5 7 8 6 4 2) -> EvenFirst (2 4 6 8 7 5 3 1) -> OddFirstDescending (7 5 3 1 2 4 6 8) -> EvenFirstDescending (8 6 4 2 1 3 5 7) -> OddFirst...
// The first tap will always start the cycle with the OddFirst sorting, i.e., 1 3
if (lstVoters.Groups != null && lstVoters.Groups.Count() == 1 && lstVoters.Groups[0] != null)
{
if (oddEvenSortOrder == OddEvenSortOrder.OddFirst || oddEvenSortOrder == OddEvenSortOrder.OddFirstDescending)
{
// Just reverse the existing list
List <PushpinModel> newList = App.VotersViewModel.VoterList.ToList();
newList.Reverse();
App.VotersViewModel.VoterList.Clear();
this.lstVoters.SortDescriptors.Clear();
foreach (PushpinModel _p in newList)
{
App.VotersViewModel.VoterList.Add(_p);
}
oddEvenSortOrder = (oddEvenSortOrder == OddEvenSortOrder.OddFirst) ? OddEvenSortOrder.EvenFirst : OddEvenSortOrder.EvenFirstDescending;
}
else
{
string filterStreet = lstVoters.Groups[0].Key as string;
List <PushpinModel> filteredEven = App.VotersViewModel.VoterList.Where <PushpinModel>(voter => voter.Street == filterStreet && voter.IsEven).OrderBy <PushpinModel, int>(voter => voter.HouseNum).ToList();
List <PushpinModel> filteredOdd = App.VotersViewModel.VoterList.Where <PushpinModel>(voter => voter.Street == filterStreet && !voter.IsEven).OrderBy <PushpinModel, int>(voter => voter.HouseNum).ToList();
if (oddEvenSortOrder == OddEvenSortOrder.None || oddEvenSortOrder == OddEvenSortOrder.EvenFirstDescending)
{
// Target sort is OddFirst (ascending)
oddEvenSortOrder = OddEvenSortOrder.OddFirst;
filteredEven.Reverse();
}
else // Current order is EvenFirst, switch to OddFirstDescending
{
oddEvenSortOrder = OddEvenSortOrder.OddFirstDescending;
filteredOdd.Reverse();
}
App.VotersViewModel.VoterList.Clear();
this.lstVoters.SortDescriptors.Clear();
// First add odd houses to list
foreach (PushpinModel _p in filteredOdd)
{
App.VotersViewModel.VoterList.Add(_p);
}
// Now add even houses to list
foreach (PushpinModel _p in filteredEven)
{
App.VotersViewModel.VoterList.Add(_p);
}
}
}
lstVoters.FilterDescriptors.Clear();
}
public HouseListPage()
{
initialVoterList = App.VotersViewModel.VoterList.ToList();
InitializeComponent();
oddEvenSortOrder = OddEvenSortOrder.None;
DataContext = App.VotersViewModel;
// lstVoters.GroupPickerItemTap += new EventHandler<Telerik.Windows.Controls.GroupPickerItemTapEventArgs>(lstVoters_GroupPickerItemTap);
groupByStreet = new GenericGroupDescriptor <PushpinModel, string>(voter => voter.Street);
this.lstVoters.GroupDescriptors.Add(groupByStreet);
sortByHouseNumber = new GenericSortDescriptor <PushpinModel, int>(voter => voter.HouseNum);
sortByHouseNumber.SortMode = ListSortMode.Ascending;
this.lstVoters.SortDescriptors.Add(sortByHouseNumber);
// EnableOddEven = (lstVoters.Groups.Count() <= 1);
UpdateOddEvenButtonEnabled();
/*
* ApplicationBarMenuItem menuitemClearFilter = new ApplicationBarMenuItem("clear filter");
* menuitemClearFilter.Click += menuitemClearFilter_Click;
* ApplicationBar.MenuItems.Add(menuitemClearFilter);
* */
}
