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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
using System;
using System.Collections.Generic;
using System.Globalization;
using ElmSharp;
using EColor = ElmSharp.Color;
namespace Xamarin.Forms.Platform.Tizen
{
public class EntryCellRenderer : ViewCellRenderer
{
static readonly int s_defaultHeight = 120;
static readonly EColor s_defaultLabelColor = EColor.Black;
readonly Dictionary<EvasObject, VisualElement> _cacheCandidate = new Dictionary<EvasObject, VisualElement>();
public EntryCellRenderer()
{
}
protected override EvasObject OnGetContent(Cell cell, string part)
{
if (part == MainContentPart)
{
var entryCell = cell as EntryCell;
int height = (int)entryCell.RenderHeight;
height = height > 0 ? height : s_defaultHeight;
var label = new Label()
{
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.Center,
VerticalTextAlignment = TextAlignment.Center,
FontSize = -1
};
label.SetBinding(Label.TextProperty, new Binding(EntryCell.LabelProperty.PropertyName));
label.SetBinding(Label.TextColorProperty, new Binding(EntryCell.LabelColorProperty.PropertyName, converter: new DefaultColorConverter()));
var entry = new Entry()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Center,
FontSize = -1,
};
entry.SetBinding(Entry.TextProperty, new Binding(EntryCell.TextProperty.PropertyName, BindingMode.TwoWay));
entry.SetBinding(Entry.PlaceholderProperty, new Binding(EntryCell.PlaceholderProperty.PropertyName));
entry.SetBinding(InputView.KeyboardProperty, new Binding(EntryCell.KeyboardProperty.PropertyName));
entry.SetBinding(Entry.HorizontalTextAlignmentProperty, new Binding(EntryCell.HorizontalTextAlignmentProperty.PropertyName));
var layout = new StackLayout()
{
Orientation = StackOrientation.Horizontal,
Children = {
label,
entry
}
};
layout.Parent = cell.Parent;
layout.BindingContext = entryCell;
layout.MinimumHeightRequest = height;
var nativeView = Platform.GetOrCreateRenderer(layout).NativeView;
nativeView.MinimumHeight = height;
_cacheCandidate[nativeView] = layout;
nativeView.Deleted += (sender, e) =>
{
_cacheCandidate.Remove(sender as EvasObject);
};
return nativeView;
}
return null;
}
protected override EvasObject OnReusableContent(Cell cell, string part, EvasObject old)
{
if (!_cacheCandidate.ContainsKey(old))
{
return null;
}
var layout = _cacheCandidate[old];
layout.BindingContext = cell;
int height = (int)cell.RenderHeight;
height = height > 0 ? height : s_defaultHeight;
old.MinimumHeight = height;
return old;
}
class DefaultColorConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return ((Color)value).IsDefault ? s_defaultLabelColor : value;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return value;
}
}
}
}
|
