1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
using System;
using System.Globalization;
using System.Windows;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Platform.WinPhone
{
public class HeightConverter : System.Windows.Data.IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var val = (double)value;
return val > 0 ? val : double.NaN;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
[Obsolete("Deprecated in favor of CellControl")]
public class CellTemplateSelector : DataTemplateSelector
{
public static readonly DependencyProperty SourceProperty = DependencyProperty.Register("Source", typeof(object), typeof(CellTemplateSelector),
new PropertyMetadata((o, e) => ((CellTemplateSelector)o).SetSource(e.OldValue, e.NewValue)));
public CellTemplateSelector()
{
Loaded += (sender, args) => SetBinding(SourceProperty, new System.Windows.Data.Binding());
Unloaded += (sender, args) =>
{
var cell = DataContext as ICellController;
if (cell != null)
cell.SendDisappearing();
};
}
public override System.Windows.DataTemplate SelectTemplate(object item, DependencyObject container)
{
var cell = item as Cell;
if (cell == null)
return null;
var renderer = Registrar.Registered.GetHandler<ICellRenderer>(cell.GetType());
return renderer.GetTemplate(cell);
}
void SetSource(object oldSource, object newSource)
{
var oldCell = oldSource as ICellController;
var newCell = newSource as ICellController;
if (oldCell != null)
oldCell.SendDisappearing();
if (newCell != null)
newCell.SendAppearing();
}
}
}
|