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-rw-r--r--Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/ListViewViewCellBinding.cs168
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diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/ListViewViewCellBinding.cs b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/ListViewViewCellBinding.cs
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index 00000000..dbc3c8ea
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+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/ListViewViewCellBinding.cs
@@ -0,0 +1,168 @@
+´╗┐using System;
+using System.Collections.ObjectModel;
+using System.Threading;
+using Xamarin.Forms.CustomAttributes;
+
+#if UITEST
+using NUnit.Framework;
+using Xamarin.UITest;
+#endif
+
+namespace Xamarin.Forms.Controls
+{
+
+ public class GenericValueConverter : IValueConverter
+ {
+ Func<object, object> _convert;
+ Func<object, object> _back;
+ public GenericValueConverter (Func<object, object> convert, Func<object, object> back = null)
+ {
+ _convert = convert;
+ _back = back;
+ }
+
+ public object Convert (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+ {
+ return _convert (value);
+ }
+
+ public object ConvertBack (object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+ {
+ return _back (value);
+ }
+ }
+
+ [Preserve (AllMembers = true)]
+ public class Expense
+ {
+ public string Name { get; private set; }
+ public decimal Amount { get; private set; }
+
+ public Expense (string name, decimal amount)
+ {
+ Name = name;
+ Amount = amount;
+ }
+ }
+
+ [Preserve (AllMembers = true)]
+ public class ExpenseListViewCell : ViewCell
+ {
+ public ExpenseListViewCell ()
+ {
+ var expenseNameLabel = new Label ();
+ expenseNameLabel.SetBinding (Label.TextProperty, "Name");
+
+ var expenseAmountLabel = new Label ();
+ var expenseAmountToStringConverter = new GenericValueConverter (obj => string.Format ("{0:C}", ((decimal)obj)));
+ expenseAmountLabel.SetBinding (Label.TextProperty, new Binding ("Amount", converter: expenseAmountToStringConverter));
+
+ var layout = new StackLayout ();
+
+ layout.Children.Add (expenseNameLabel);
+ layout.Children.Add (expenseAmountLabel);
+
+ View = layout;
+ }
+
+ protected override void OnBindingContextChanged ()
+ {
+ // Fixme : this is happening because the View.Parent is getting
+ // set after the Cell gets the binding context set on it. Then it is inheriting
+ // the parents binding context.
+ View.BindingContext = BindingContext;
+ base.OnBindingContextChanged ();
+ }
+ }
+
+ [Preserve (AllMembers = true)]
+ [Issue (IssueTracker.None, 0, "ListView ViewCell binding", PlatformAffected.All)]
+ public class ListViewViewCellBinding : TestContentPage
+ {
+
+ // Binding issue with view cells
+ public ObservableCollection<Expense> Expenses;
+
+ protected override void Init ()
+ {
+ //BindingContext = this;
+
+ Expenses = new ObservableCollection<Expense> {
+ new Expense ("1", 100.0m),
+ new Expense ("2", 200.0m),
+ new Expense ("3", 300.0m)
+ };
+
+ var listView = new ListView ();
+
+ listView.ItemsSource = Expenses;
+ listView.ItemTemplate = new DataTemplate (typeof (ExpenseListViewCell));
+
+ var layout = new StackLayout ();
+ int numberAdded = 3;
+
+ var label = new Label {
+ Text = numberAdded.ToString()
+ };
+
+ var removeBtn = new Button { Text = "Remove" };
+ removeBtn.Clicked += (s, e) => {
+ if (numberAdded > 0) {
+ numberAdded--;
+ Expenses.RemoveAt (0);
+ label.Text = numberAdded.ToString ();
+ }
+ };
+ var addBtn = new Button { Text = "Add" };
+ addBtn.Clicked += (s, e) => {
+ Expenses.Add (new Expense ("4", 400.0m));
+ numberAdded++;
+ label.Text = numberAdded.ToString ();
+ };
+
+
+ layout.Children.Add (label);
+ layout.Children.Add (removeBtn);
+ layout.Children.Add (addBtn);
+ layout.Children.Add (listView);
+
+ Content = layout;
+ }
+
+#if UITEST
+ [Test]
+ public void ListViewViewCellBindingTestsAllElementsPresent ()
+ {
+ RunningApp.WaitForElement (q => q.Marked ("Remove"));
+ RunningApp.WaitForElement (q => q.Marked ("Add"));
+ RunningApp.WaitForElement (q => q.Marked ("1"));
+ RunningApp.WaitForElement (q => q.Marked ("$100.00"));
+ RunningApp.WaitForElement (q => q.Marked ("2"));
+ RunningApp.WaitForElement (q => q.Marked ("$200.00"));
+ RunningApp.WaitForElement (q => q.Marked ("3"));
+ RunningApp.WaitForElement (q => q.Marked ("$300.00"));
+
+ RunningApp.Screenshot ("All elements exist");
+ }
+
+ [Test]
+ public void ListViewViewCellBindingTestsAddListItem ()
+ {
+ RunningApp.Tap (q => q.Button ("Add"));
+ RunningApp.WaitForElement (q => q.Marked ("4"));
+ RunningApp.WaitForElement (q => q.Marked ("$400.00"));
+ RunningApp.Screenshot ("List item added");
+ }
+
+ [Test]
+ public void ListViewViewCellBindingTestsRemoveListItem ()
+ {
+ RunningApp.Tap (q => q.Button ("Remove"));
+ RunningApp.WaitForNoElement (q => q.Marked ("1"));
+ RunningApp.WaitForNoElement (q => q.Marked ("$100.00"));
+ RunningApp.Screenshot ("List item removed");
+ }
+#endif
+
+ }
+}