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using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
using System.Collections.Generic;
using System;
using System.Threading.Tasks;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 28650, "In a Listview on iOS, \"andExpand\" does not expand when text is two lines long")]
public class Bugzilla28650 : TestContentPage
{
const string caret_image = "caret_r.png";
[Preserve(AllMembers = true)]
internal class MyTextCell : ViewCell
{
StackLayout _viewLayout;
Label _descriptionLabel;
Image _caret;
public MyTextCell()
{
_descriptionLabel = new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
FontSize = 14,
};
_descriptionLabel.SetBinding(Label.TextProperty, ".");
_caret = new Image
{
HorizontalOptions = LayoutOptions.End,
Source = ImageSource.FromFile(caret_image),
HeightRequest = 20,
Aspect = Aspect.AspectFit,
BackgroundColor = Color.Green
};
_viewLayout = new StackLayout
{
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = { _descriptionLabel, _caret },
};
View = _viewLayout;
}
}
protected override void Init()
{
var items = new List<string>
{
"Short Desc",
"Thisis averylong description withwords thatarelong",
"Item Three",
"Item Four",
"Short Desc again",
};
var cell = new DataTemplate(typeof(MyTextCell));
var menuView = new ListView
{
ItemTemplate = cell,
ItemsSource = items,
HasUnevenRows = true
};
// let's try the same configuration outside of a ListView
var grid = new Grid();
grid.ColumnDefinitions.Add(new ColumnDefinition { Width = 300 });
const int column = 0;
int currentRow = 0;
grid.AddChild(new Label { Text = "If the carets do not ALL align, this test has failed." }, column, currentRow++, columnspan: 2);
grid.AddChild(menuView, column, currentRow++);
grid.AddChild(GetStackLayout("Thisis averylong description withwords thatarelong", LineBreakMode.NoWrap), column, currentRow++);
grid.AddChild(GetStackLayout("Thisis averylong description withwords thatarelong", LineBreakMode.CharacterWrap), column, currentRow++);
grid.AddChild(GetStackLayout("Thisis averylong description withwords thatarelong", LineBreakMode.HeadTruncation), column, currentRow++);
grid.AddChild(GetStackLayout("Thisis averylong description withwords thatarelong", LineBreakMode.MiddleTruncation), column, currentRow++);
grid.AddChild(GetStackLayout("Thisis averylong description withwords thatarelong", LineBreakMode.TailTruncation), column, currentRow++);
grid.AddChild(GetStackLayout("Thisis averylong description withwords thatarelong", LineBreakMode.WordWrap), column, currentRow++);
grid.AddChild(GetStackLayout("Short desc", LineBreakMode.WordWrap), column, currentRow++);
grid.AddChild(new StackLayout
{
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {
new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
FontSize = 14,
Text = "1",
LineBreakMode = LineBreakMode.WordWrap,
BackgroundColor = Color.Red
}, new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
FontSize = 14,
Text = "2",
LineBreakMode = LineBreakMode.WordWrap,
BackgroundColor = Color.Blue
}
},
}, column, currentRow++);
grid.AddChild(new StackLayout
{
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {
new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
FontSize = 14,
Text = "1",
LineBreakMode = LineBreakMode.WordWrap,
BackgroundColor = Color.Red
}, new Label
{
HorizontalOptions = LayoutOptions.Start,
FontSize = 14,
Text = "2",
LineBreakMode = LineBreakMode.WordWrap,
BackgroundColor = Color.Blue
}
},
}, column, currentRow++);
Content = grid;
}
private static StackLayout GetStackLayout(string Text, LineBreakMode breakMode)
{
return new StackLayout
{
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {
new Label
{
HorizontalOptions = LayoutOptions.FillAndExpand,
FontSize = 14,
Text = Text,
LineBreakMode = breakMode
}, new Image
{
HorizontalOptions = LayoutOptions.End,
Source = ImageSource.FromFile(caret_image),
HeightRequest = 20,
Aspect = Aspect.AspectFit,
BackgroundColor = Color.Green
}
},
};
}
}
}
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