blob: 5f086b4903680ca7986a7152069815eee485276a (
plain)
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
|
using System;
using System.ComponentModel;
using AppKit;
namespace Xamarin.Forms.Platform.MacOS
{
public class SwitchCellRenderer : CellRenderer
{
public override NSView GetCell(Cell item, NSView reusableView, NSTableView tv)
{
var tvc = reusableView as CellNSView;
NSButton nsSwitch = null;
if (tvc == null)
tvc = new CellNSView(NSTableViewCellStyle.Value1);
else
{
nsSwitch = tvc.AccessoryView.Subviews[0] as NSButton;
if (nsSwitch != null)
{
nsSwitch.RemoveFromSuperview();
nsSwitch.Activated -= OnSwitchValueChanged;
}
tvc.Cell.PropertyChanged -= OnCellPropertyChanged;
}
SetRealCell(item, tvc);
if (nsSwitch == null)
{
nsSwitch = new NSButton { AllowsMixedState = false, Title = string.Empty };
nsSwitch.SetButtonType(NSButtonType.Switch);
}
var boolCell = (SwitchCell)item;
tvc.Cell = item;
tvc.Cell.PropertyChanged += OnCellPropertyChanged;
tvc.AccessoryView.AddSubview(nsSwitch);
tvc.TextLabel.StringValue = boolCell.Text ?? "";
nsSwitch.State = boolCell.On ? NSCellStateValue.On : NSCellStateValue.Off;
nsSwitch.Activated += OnSwitchValueChanged;
WireUpForceUpdateSizeRequested(item, tvc, tv);
UpdateBackground(tvc, item);
UpdateIsEnabled(tvc, boolCell);
return tvc;
}
static void UpdateIsEnabled(CellNSView cell, SwitchCell switchCell)
{
cell.TextLabel.Enabled = switchCell.IsEnabled;
var uiSwitch = cell.AccessoryView.Subviews[0] as NSButton;
if (uiSwitch != null)
uiSwitch.Enabled = switchCell.IsEnabled;
}
void OnCellPropertyChanged(object sender, PropertyChangedEventArgs e)
{
var boolCell = (SwitchCell)sender;
var realCell = (CellNSView)GetRealCell(boolCell);
if (e.PropertyName == SwitchCell.OnProperty.PropertyName)
((NSButton)realCell.AccessoryView.Subviews[0]).State = boolCell.On ? NSCellStateValue.On : NSCellStateValue.Off;
else if (e.PropertyName == SwitchCell.TextProperty.PropertyName)
realCell.TextLabel.StringValue = boolCell.Text ?? "";
else if (e.PropertyName == Cell.IsEnabledProperty.PropertyName)
UpdateIsEnabled(realCell, boolCell);
}
void OnSwitchValueChanged(object sender, EventArgs eventArgs)
{
var view = (NSView)sender;
var sw = (NSButton)view;
CellNSView realCell = null;
while (view.Superview != null && realCell == null)
{
view = view.Superview;
realCell = view as CellNSView;
}
if (realCell != null)
((SwitchCell)realCell.Cell).On = sw.State == NSCellStateValue.On;
}
}
}
|
