141 строка
3.8 KiB
C#
141 строка
3.8 KiB
C#
using System;
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using System.Collections.Generic;
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using Xamarin.Forms;
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using Xamarin.Forms.CustomAttributes;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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#if UITEST
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using Xamarin.UITest.Queries;
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using NUnit.Framework;
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#endif
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namespace Xamarin.Forms.Controls
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{
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[Preserve (AllMembers = true)]
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[Issue (IssueTracker.Github, 2951, "On Android, button background is not updated when color changes ")]
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public partial class Issue2951 : TestContentPage
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{
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public Issue2951 ()
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{
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#if APP
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InitializeComponent ();
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#endif
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}
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protected override void Init ()
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{
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BindingContext = new MyViewModel ();
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}
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[Preserve (AllMembers = true)]
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public class MyViewModel
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{
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public ObservableCollection<MyItemViewModel> Items { get; private set; }
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public Command<MyItemViewModel> ButtonTapped { get; private set; }
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public MyViewModel ()
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{
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ButtonTapped = new Command<MyItemViewModel> (OnItemTapped);
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Items = new ObservableCollection<MyItemViewModel> ();
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Items.Add (new MyItemViewModel { Name = "A", IsStarted = false });
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Items.Add (new MyItemViewModel { Name = "B", IsStarted = false });
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Items.Add (new MyItemViewModel { Name = "C", IsStarted = false });
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}
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void OnItemTapped (MyItemViewModel model)
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{
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if (model.IsStarted) {
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Items.Remove (model);
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} else {
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model.IsStarted = true;
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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 MyItemViewModel : INotifyPropertyChanged
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{
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public event PropertyChangedEventHandler PropertyChanged;
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string _name;
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public string Name {
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get { return _name; }
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set {
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_name = value;
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OnPropertyChanged ("Name");
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}
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}
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bool _isStarted;
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public bool IsStarted {
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get { return _isStarted; }
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set {
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_isStarted = value;
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OnPropertyChanged ("IsStarted");
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}
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}
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void OnPropertyChanged (string propertyName)
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{
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if (PropertyChanged != null) {
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PropertyChanged (this, new PropertyChangedEventArgs (propertyName));
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}
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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 Issue2951Test ()
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{
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var bt = RunningApp.WaitForElement (c => c.Marked ("btnChangeStatus"));
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var buttons = RunningApp.Query (c => c.Marked ("btnChangeStatus"));
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Assert.That (buttons.Length, Is.EqualTo (3));
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RunningApp.Tap(c => c.Marked ("btnChangeStatus").Index(1));
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buttons = RunningApp.Query (c => c.Marked ("btnChangeStatus"));
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var text = buttons [1].Text ?? buttons [1].Label;
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Assert.That (text, Is.EqualTo ("B"));
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RunningApp.Tap(c => c.Marked ("btnChangeStatus").Index(1));
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buttons = RunningApp.Query (c => c.Marked ("btnChangeStatus"));
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Assert.That (buttons.Length, Is.EqualTo (2));
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//TODO: we should check the color of the button
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//var buttonTextColor = GetProperty<Color> ("btnChangeStatus", Button.BackgroundColorProperty);
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//Assert.AreEqual (Color.Pink, buttonTextColor);
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}
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#endif
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}
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[Preserve (AllMembers = true)]
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public class ButtonExtensions
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{
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public static readonly BindableProperty IsPrimaryProperty = BindableProperty.CreateAttached<ButtonExtensions, bool> (
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bindable => GetIsPrimary (bindable),
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false,
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BindingMode.TwoWay,
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null,
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null,
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null,
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null);
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public static bool GetIsPrimary (BindableObject bo)
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{
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return (bool)bo.GetValue (IsPrimaryProperty);
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}
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public static void SetIsPrimary (BindableObject bo, bool value)
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{
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bo.SetValue (IsPrimaryProperty, value);
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}
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}
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}
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