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using System;
using System.Collections.ObjectModel;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.None, 55555, "Header problem")]
public class Issue55555 : TestContentPage // or TestMasterDetailPage, etc ...
{
protected override void Init()
{
var lstView = new ListView(ListViewCachingStrategy.RecycleElement);
ObservableCollection<GroupedVeggieModel> grouped = CreateData();
lstView.ItemsSource = grouped;
lstView.HasUnevenRows = true;
lstView.IsGroupingEnabled = true;
lstView.GroupDisplayBinding = new Binding("LongName");
lstView.GroupShortNameBinding = new Binding("ShortName");
lstView.ItemTemplate = new DataTemplate(typeof(DemoTextCell));
lstView.ItemTemplate.SetBinding(DemoTextCell.TextProperty, "Name");
Content = lstView;
}
static ObservableCollection<GroupedVeggieModel> CreateData()
{
var grouped = new ObservableCollection<GroupedVeggieModel>();
var veggieGroup = new GroupedVeggieModel() { LongName = "vegetables", ShortName = "v" };
veggieGroup.Add(new VeggieModel() { Name = "celery", IsReallyAVeggie = true, Comment = "try ants on a log" });
veggieGroup.Add(new VeggieModel() { Name = "tomato", IsReallyAVeggie = false, Comment = "pairs well with basil" });
veggieGroup.Add(new VeggieModel() { Name = "zucchini", IsReallyAVeggie = true, Comment = "zucchini bread > bannana bread" });
veggieGroup.Add(new VeggieModel() { Name = "peas", IsReallyAVeggie = true, Comment = "like peas in a pod" });
var fruitGroup = new GroupedVeggieModel() { LongName = "fruit", ShortName = "f" };
fruitGroup.Add(new VeggieModel() { Name = "banana", IsReallyAVeggie = false, Comment = "available in chip form factor" });
fruitGroup.Add(new VeggieModel() { Name = "strawberry", IsReallyAVeggie = false, Comment = "spring plant" });
fruitGroup.Add(new VeggieModel() { Name = "cherry", IsReallyAVeggie = false, Comment = "topper for icecream" });
grouped.Add(veggieGroup);
grouped.Add(fruitGroup);
return grouped;
}
[Preserve(AllMembers = true)]
public class VeggieModel
{
public string Name { get; set; }
public string Comment { get; set; }
public bool IsReallyAVeggie { get; set; }
public string Image { get; set; }
}
[Preserve(AllMembers = true)]
public class GroupedVeggieModel : ObservableCollection<VeggieModel>
{
public string LongName { get; set; }
public string ShortName { get; set; }
}
[Preserve(AllMembers = true)]
public class DemoTextCell : TextCell
{
public DemoTextCell()
{
Height = 150;
}
}
#if UITEST
[Test]
public void TGroupDisplayBindingPresentRecycleElementTest()
{
RunningApp.WaitForElement(q => q.Marked("vegetables"));
}
#endif
}
}
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