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comparison Demo/WinForms/Controls/EnumSelector.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Collections;
3 using System.ComponentModel;
4 using System.Windows.Forms;
5 using System.Drawing.Design;
6
7 using BLToolkit.ComponentModel;
8 using System.Reflection;
9
10 namespace BLToolkit.Demo.Controls
11 {
12 public partial class EnumSelector : GroupBox
13 {
14 public EnumSelector()
15 {
16 InitializeComponent();
17 }
18
19 public EnumSelector(IContainer container)
20 {
21 container.Add(this);
22
23 InitializeComponent();
24 }
25
26 [RefreshProperties(RefreshProperties.Repaint)]
27 [Category("Data")]
28 [Bindable(true)]
29 public object Value
30 {
31 get
32 {
33 foreach (RadioButton r in _controls.Keys)
34 if (r.Checked)
35 return Enum.Parse(_valueType, (string)_controls[r]);
36
37
38 return -1;
39 }
40 set
41 {
42 if (value != null)
43 {
44 string s = value.ToString();
45
46 foreach (DictionaryEntry de in _controls)
47 {
48 RadioButton r = (RadioButton)de.Key;
49
50 if (r.Checked != (de.Value.ToString() == s))
51 r.Checked = !r.Checked;
52 }
53 }
54 }
55 }
56
57 const FieldAttributes EnumField = FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.Literal;
58
59 private Hashtable _controls = new Hashtable();
60
61 private Type _valueType;
62 [RefreshProperties(RefreshProperties.Repaint)]
63 [DefaultValue(null)]
64 [Category("Data")]
65 [TypeConverter(typeof(TypeTypeConverter))]
66 [Editor(typeof(EnumEditor), typeof(UITypeEditor))]
67 public Type ValueType
68 {
69 get { return _valueType; }
70 set
71 {
72 _valueType = value;
73
74 foreach (Control c in _controls.Keys)
75 Controls.Remove(c);
76
77 FieldInfo[] fields = _valueType.GetFields();
78
79 foreach (FieldInfo fi in fields)
80 {
81 if ((fi.Attributes & EnumField) == EnumField)
82 {
83 RadioButton r = new RadioButton();
84
85 Controls.Add(r);
86 _controls.Add(r, fi.Name);
87
88 r.Text = fi.Name;
89 r.Name = fi.Name + "RadioButton";
90 r.TabIndex = _controls.Count;
91 r.AutoSize = true;
92 r.Location = new System.Drawing.Point(10, 23 * _controls.Count - 4);
93 r.UseVisualStyleBackColor = true;
94 }
95 }
96 }
97 }
98
99 class EnumEditor : ComponentModel.Design.TypeEditor
100 {
101 protected override bool FilterTypeList(Type type)
102 {
103 return type.IsPublic && type.IsEnum;
104 }
105 }
106 }
107 }