protected override void Init()
{
var label = new Label {
Text = Instructions,
};
grouped = new ObservableCollection <GroupedItem>();
lstView = new ListView()
{
IsGroupingEnabled = true,
HasUnevenRows = true,
ItemTemplate = new DataTemplate(typeof(MyViewCell)),
GroupHeaderTemplate = new DataTemplate(typeof(MyHeaderViewCell)),
ItemsSource = grouped,
AutomationId = "TestReady"
};
var grp1 = new GroupedItem()
{
LongName = "Group 1", ShortName = "1"
};
var grp2 = new GroupedItem()
{
LongName = "Group 2", ShortName = "2"
};
for (int i = 1; i < 4; i++)
{
grp1.Add($"I am a short text #{i}");
grp1.Add($"I am a long text that should cause the line to wrap, and I should not be cut off or overlapping in any way. #{i}");
grp2.Add($"I am a short text #{i}");
grp2.Add($"I am a long text that should cause the line to wrap, and I should not be cut off or overlapping in any way. #{i}");
}
grouped.Add(grp1);
grouped.Add(grp2);
Content = new StackLayout
{
Children =
{
label,
lstView
}
};
}
private async void FilterGroupItems(string searchString)
{
try
{
searchString = searchString.ToLower();
if (!string.IsNullOrEmpty(searchString))
{
var groupedList = new ObservableCollection <GroupedItem <Patient> >();
var xlist = (await _patientsStorage.GetList());
var patientsList = xlist.Where(x => x.Fullname.ToLower().Contains(searchString)).ToList();
var headers = patientsList.Select(x => x.LastName.Substring(0, 1)).Distinct().OrderBy(x => x);
foreach (var headerkey in headers)
{
var patientGroup = new GroupedItem <Patient> {
HeaderKey = headerkey
};
var list = new List <Patient>();
foreach (var item in patientsList.Where(x => x.LastName.StartsWith(headerkey, StringComparison.OrdinalIgnoreCase)).ToList())
{
list.Add(item);
}
list = list.OrderBy((arg) => arg.Fullname).ToList();
foreach (var item in list)
{
patientGroup.Add(item);
}
groupedList.Add(patientGroup);
}
_filteredPatients = (ObservableCollection <GroupedItem <Patient> >)(object) groupedList;
ItemsSource = _filteredPatients;
}
else
{
ItemsSource = Patients;
//await GetDataAsync();
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
private void GroupItems(List <Patient> observableCollection)
{
try
{
var groupedList = new ObservableCollection <GroupedItem <Patient> >();
var patientsList = observableCollection.Cast <Patient>().ToList();
var headers = patientsList.Select(x => x.LastName.Substring(0, 1));
headers = headers.Select(h => char.ToUpper(h[0]).ToString()).Distinct().OrderBy(x => x);
foreach (var headerkey in headers)
{
var patientGroup = new GroupedItem <Patient> {
HeaderKey = headerkey
};
var list = new List <Patient>();
foreach (var item in patientsList.Where(x => x.LastName.StartsWith(headerkey, StringComparison.OrdinalIgnoreCase)).ToList())
{
list.Add(item);
}
list = list.OrderBy((arg) => arg.Fullname).ToList();
foreach (var item in list)
{
patientGroup.Add(item);
}
groupedList.Add(patientGroup);
}
Patients = groupedList;
ItemsSource = groupedList;
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
protected override void Init()
{
var label = new Label {
Text = Instructions, AutomationId = "TestReady"
};
grouped = new ObservableCollection <GroupedItem>();
lstView = new ListView(ListViewCachingStrategy.RecycleElement)
{
IsGroupingEnabled = true,
ItemTemplate = new DataTemplate(typeof(AccessoryViewCell)),
ItemsSource = grouped,
GroupDisplayBinding = new Binding("LongName"),
GroupShortNameBinding = new Binding("ShortName")
};
var grp1 = new GroupedItem()
{
LongName = "Group 1", ShortName = "1"
};
var grp2 = new GroupedItem()
{
LongName = "Group 2", ShortName = "2"
};
for (int i = 1; i < 4; i++)
{
grp1.Add($"Item #{i}");
grp2.Add($"Item #{i}");
}
grouped.Add(grp1);
grouped.Add(grp2);
Content = new StackLayout
{
Children =
{
label,
lstView
}
};
}