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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Layout;
using Avalonia.Styling;
using Avalonia.Threading;
using JetBrains.Annotations;
namespace UVtools.WPF.Controls;
public class ButtonWithIcon : Button, IStyleable
{
public enum IconPlacementType : byte
{
Left,
Right,
Top,
Bottom
}
Type IStyleable.StyleKey => typeof(Button);
public static readonly StyledProperty<string> TextProperty =
AvaloniaProperty.Register<ButtonWithIcon, string>(nameof(Text));
public string Text
{
get => GetValue(TextProperty);
set => SetValue(TextProperty, value);
}
public static readonly StyledProperty<IconPlacementType> IconPlacementProperty =
AvaloniaProperty.Register<ButtonWithIcon, IconPlacementType>(nameof(IconPlacement));
public IconPlacementType IconPlacement
{
get => GetValue(IconPlacementProperty);
set => SetValue(IconPlacementProperty, value);
}
public static readonly StyledProperty<string?> IconProperty =
AvaloniaProperty.Register<ButtonWithIcon, string?>(nameof(Icon));
[CanBeNull]
public string Icon
{
get => GetValue(IconProperty);
set => SetValue(IconProperty, value);
}
public static readonly StyledProperty<double> SpacingProperty =
AvaloniaProperty.Register<ButtonWithIcon, double>(nameof(Spacing), 10);
public double Spacing
{
get => GetValue(SpacingProperty);
set => SetValue(SpacingProperty, value);
}
public ButtonWithIcon()
{
}
protected override void OnInitialized()
{
base.OnInitialized();
Dispatcher.UIThread.Post(() =>
{
TextProperty.Changed.Subscribe(_ => RebuildContent());
IconProperty.Changed.Subscribe(_ => RebuildContent());
IconPlacementProperty.Changed.Subscribe(_ => RebuildContent());
RebuildContent();
}, DispatcherPriority.Loaded);
}
public IControl MakeIcon()
{
return new Projektanker.Icons.Avalonia.Icon { Value = Icon };
}
private void RebuildContent()
{
if (string.IsNullOrWhiteSpace(Icon))
{
if (!string.IsNullOrWhiteSpace(Text))
{
Content = Text;
}
return;
}
if (string.IsNullOrWhiteSpace(Text))
{
if (!string.IsNullOrWhiteSpace(Icon))
{
Content = MakeIcon();
}
return;
}
var panel = new StackPanel
{
Spacing = Spacing,
VerticalAlignment = VerticalAlignment.Stretch,
Orientation = IconPlacement is IconPlacementType.Left or IconPlacementType.Right
? Orientation.Horizontal
: Orientation.Vertical
};
if(IconPlacement is IconPlacementType.Left or IconPlacementType.Top) panel.Children.Add(MakeIcon());
panel.Children.Add(new TextBlock{ VerticalAlignment = VerticalAlignment.Center, Text = Text});
if (IconPlacement is IconPlacementType.Right or IconPlacementType.Bottom) panel.Children.Add(MakeIcon());
Content = panel;
}
}
|
