94 строки
2.5 KiB
C#
94 строки
2.5 KiB
C#
using System.Collections.ObjectModel;
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using System.Linq;
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using Xamarin.Forms.CustomAttributes;
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using Xamarin.Forms.Internals;
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#if UITEST
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using Xamarin.Forms.Core.UITests;
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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.Bugzilla, 53834, "incorrect row heights on ios when using groupheadertemplate in Xamarin.Forms 2.3.4.214-pre5", PlatformAffected.iOS)]
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public class Bugzilla53834 : TestContentPage
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{
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const string Instructions = "";
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ObservableCollection<GroupedItem> grouped { get; set; }
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ListView lstView;
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class MyViewCell : ViewCell
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{
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public MyViewCell()
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{
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var label = new Label { HeightRequest = 66, VerticalOptions = LayoutOptions.Start };
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label.SetBinding(Label.TextProperty, ".");
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View = new StackLayout { Padding = 10, Children = { label } };
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}
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}
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class MyHeaderViewCell : ViewCell
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{
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public MyHeaderViewCell()
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{
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Height = 25;
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var label = new Label { VerticalOptions = LayoutOptions.Center };
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label.SetBinding(Label.TextProperty, nameof(GroupedItem.LongName));
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View = label;
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}
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}
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class GroupedItem : ObservableCollection<string>
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{
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public string LongName { get; set; }
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public string ShortName { get; set; }
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}
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protected override void Init()
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{
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var label = new Label { Text = Instructions };
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grouped = new ObservableCollection<GroupedItem>();
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lstView = new ListView()
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{
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IsGroupingEnabled = true,
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HasUnevenRows = true,
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ItemTemplate = new DataTemplate(typeof(MyViewCell)),
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GroupHeaderTemplate = new DataTemplate(typeof(MyHeaderViewCell)),
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ItemsSource = grouped,
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};
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var grp1 = new GroupedItem() { LongName = "Group 1", ShortName = "1" };
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var grp2 = new GroupedItem() { LongName = "Group 2", ShortName = "2" };
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for (int i = 1; i < 4; i++)
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{
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grp1.Add($"I am a short text #{i}");
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grp1.Add($"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}");
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grp2.Add($"I am a short text #{i}");
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grp2.Add($"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}");
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}
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grouped.Add(grp1);
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grouped.Add(grp2);
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Content = new StackLayout
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{
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Children = {
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label,
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lstView
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}
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};
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}
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#if (UITEST && __IOS__)
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[Test]
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[Category(UITestCategories.ManualReview)]
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public void Bugzilla53834Test()
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{
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RunningApp.Screenshot("incorrect row heights test");
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}
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#endif
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}
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} |