93 строки
2.3 KiB
C#
93 строки
2.3 KiB
C#
using System;
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using Xamarin.Forms.CustomAttributes;
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using System.Collections.ObjectModel;
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using System.Collections.Generic;
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using System.Runtime.CompilerServices;
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using System.ComponentModel;
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using Xamarin.Forms.Internals;
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#if UITEST
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using Xamarin.UITest;
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using NUnit.Framework;
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#endif
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namespace Xamarin.Forms.Controls.Issues
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{
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[Preserve (AllMembers = true)]
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[Issue (IssueTracker.Github, 3276, "Crashing Unknown cell parent type on ContextAction Bindings")]
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public class Issue3276 : TestTabbedPage
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{
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protected override void Init ()
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{
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var listview = new ListView ();
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listview.ItemTemplate = new DataTemplate (typeof(CaCell));
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listview.SetBinding (ListView.ItemsSourceProperty, new Binding ("SearchResults"));
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var page = new ContentPage {Title = "First", Content = listview, BindingContext = new VM () };
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page.Appearing += (object sender, EventArgs e) => (page.BindingContext as VM).Load ();
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Children.Add (page);
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Children.Add (new ContentPage { Title = "Second" });
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}
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[Preserve (AllMembers = true)]
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public class VM : ViewModel
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{
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public void Load ()
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{
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var list = new List<string> ();
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for (int i = 0; i < 20; i++) {
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list.Add ("second " + i.ToString ());
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}
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SearchResults = new ObservableCollection<string> (list);
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}
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ObservableCollection<string> _list = null;
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public ObservableCollection<string> SearchResults {
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get { return _list; }
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set {
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_list = value;
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OnPropertyChanged ();
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}
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}
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}
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[Preserve (AllMembers = true)]
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public class CaCell : ViewCell
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{
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public CaCell ()
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{
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var label = new Label ();
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label.SetBinding (Label.TextProperty, new Binding ("."));
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var menu = new MenuItem { Text = "Delete", IsDestructive = true };
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menu.SetBinding (MenuItem.CommandParameterProperty, new Binding ("."));
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var menu1 = new MenuItem { Text = "Settings" };
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menu1.SetBinding (MenuItem.CommandParameterProperty, new Binding ("."));
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ContextActions.Add (menu);
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ContextActions.Add (menu1);
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var stack = new StackLayout ();
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stack.Children.Add (label);
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View = stack;
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}
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}
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#if UITEST
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[Test]
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public void Issue3276Test ()
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{
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RunningApp.Tap (q => q.Marked ("Second"));
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RunningApp.Tap (q => q.Marked ("First"));
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RunningApp.WaitForElement (q => q.Marked ("second 1"));
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}
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#endif
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}
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}
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