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using System;
using System.Collections.Generic;
using System.Linq;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Controls
{
[Preserve (AllMembers = true)]
public class CellForceUpdateSizeGalleryPage : TabbedPage
{
public class ViewCellPage : ContentPage
{
[Preserve (AllMembers = true)]
public class MyViewCell : ViewCell
{
public MyViewCell ()
{
var image = new Image {
Source = ImageSource.FromFile ("crimson.jpg"),
BackgroundColor = Color.Gray,
HeightRequest = 50,
VerticalOptions = LayoutOptions.Fill,
HorizontalOptions = LayoutOptions.Fill
};
var button = new Button { Text = "+" };
button.Clicked += (object sender, EventArgs e) =>
{
image.HeightRequest = image.Height + 100;
ForceUpdateSize ();
};
Tapped += (object sender, EventArgs e) =>
{
image.HeightRequest = image.Height - 100;
ForceUpdateSize ();
};
View = new StackLayout { Orientation = StackOrientation.Horizontal, Children = { image, button } };
}
}
public ViewCellPage ()
{
var listview = new ListView {
HasUnevenRows = true,
};
var items = Enumerable.Range (0, 10);
listview.ItemsSource = items;
listview.ItemTemplate = new DataTemplate (typeof (MyViewCell));
Content = listview;
Title = "View Cell";
}
}
public class ImageCellPage : ContentPage
{
[Preserve (AllMembers = true)]
public class MyImageCell : ImageCell
{
public MyImageCell ()
{
ImageSource = ImageSource.FromFile ("crimson.jpg");
Height = 20;
Command = new Command (() =>
{
Height += 20;
ForceUpdateSize ();
});
}
}
public ImageCellPage ()
{
var listview = new ListView {
HasUnevenRows = true,
};
var items = Enumerable.Range (0, 10);
listview.ItemsSource = items;
listview.ItemTemplate = new DataTemplate (typeof (MyImageCell));
Content = listview;
Title = "Image Cell";
}
}
public class TextCellPage : ContentPage
{
[Preserve (AllMembers = true)]
public class MyTextCell : TextCell
{
public MyTextCell ()
{
Text = "I am a TextCell, short and stout.";
Height = 20;
Command = new Command (() =>
{
Height += 20;
ForceUpdateSize ();
});
}
}
public TextCellPage ()
{
var listview = new ListView {
HasUnevenRows = true,
};
var items = Enumerable.Range (0, 10);
listview.ItemsSource = items;
listview.ItemTemplate = new DataTemplate (typeof (MyTextCell));
Content = listview;
Title = "Text Cell";
}
}
public class EntryCellPage : ContentPage
{
[Preserve (AllMembers = true)]
public class MyEntryCell : EntryCell
{
public MyEntryCell ()
{
Text = "I am an EntryCell, short and stout.";
Height = 20;
Tapped += (object sender, EventArgs e) =>
{
Height += 20;
ForceUpdateSize ();
};
Completed += (object sender, EventArgs e) =>
{
Height -= 20;
ForceUpdateSize ();
};
}
}
public EntryCellPage ()
{
var listview = new ListView {
HasUnevenRows = true,
};
var items = Enumerable.Range (0, 10);
listview.ItemsSource = items;
listview.ItemTemplate = new DataTemplate (typeof (MyEntryCell));
Content = listview;
Title = "Entry Cell";
}
}
public class SwitchCellPage : ContentPage
{
[Preserve (AllMembers = true)]
public class MySwitchCell : SwitchCell
{
public MySwitchCell ()
{
Text = "I am a SwitchCell, short and stout.";
Height = 20;
Tapped += (object sender, EventArgs e) =>
{
Height += 20;
ForceUpdateSize ();
};
OnChanged += (object sender, ToggledEventArgs e) =>
{
Height -= 20;
ForceUpdateSize ();
};
}
}
public SwitchCellPage ()
{
var listview = new ListView {
HasUnevenRows = true,
};
var items = Enumerable.Range (0, 10);
listview.ItemsSource = items;
listview.ItemTemplate = new DataTemplate (typeof (MySwitchCell));
Content = listview;
Title = "Switch Cell";
}
}
public CellForceUpdateSizeGalleryPage ()
{
Children.Add (new ViewCellPage ());
Children.Add (new ImageCellPage ());
Children.Add (new TextCellPage ());
Children.Add (new EntryCellPage ());
Children.Add (new SwitchCellPage ());
}
}
}
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