2005-04-12 Dick Porter <dick@ximian.com>
[mono.git] / mcs / class / Managed.Windows.Forms / System.Windows.Forms / ListViewItemConverter.cs
1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
8 // 
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
11 // 
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19 //
20 // Copyright (c) 2004 Novell, Inc.
21 //
22 // Authors:
23 //      Ravindra (rkumar@novell.com)
24
25
26 // COMPLETE
27
28
29 using System;
30 using System.Collections;
31 using System.ComponentModel;
32 using System.ComponentModel.Design.Serialization;
33 using System.Drawing;
34 using System.Globalization;
35 using System.Reflection;
36
37 namespace System.Windows.Forms
38 {
39         public class ListViewItemConverter : ExpandableObjectConverter
40         {
41                 #region Public Constructors
42                 public ListViewItemConverter () { }
43                 #endregion      // Public Constructors
44
45                 #region Public Instance Methods
46                 public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType) {
47                         if (destinationType == typeof (string)) {
48                                 return true;
49                         }
50
51                         return base.CanConvertTo (context, destinationType);
52                 }
53
54                 public override object ConvertTo (ITypeDescriptorContext context,
55                                                   CultureInfo culture, object value,
56                                                   Type destinationType)
57                 {
58                         if (destinationType == typeof (string)) {
59                                 return value.ToString ();
60                         } else {
61                                 return base.ConvertTo (context, culture, value, destinationType);
62                         }
63                 }
64                 #endregion      // Public Instance Methods
65         }
66
67         internal class ListViewSubItemConverter : ExpandableObjectConverter {
68                 #region Public Instance Methods
69                 public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType) {
70                         if (destinationType == typeof(InstanceDescriptor)) {
71                                 return true;
72                         } else {
73                                 return base.CanConvertTo(context, destinationType);
74                         }
75                 }
76
77                 public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) {
78                         if (destinationType == typeof(InstanceDescriptor) && value is ListViewItem.ListViewSubItem) {
79                                 ConstructorInfo                 constructor_info;
80                                 Type[]                          type;
81                                 ListViewItem.ListViewSubItem    sub_item;
82
83                                 sub_item = (ListViewItem.ListViewSubItem)value;
84                                 type = new Type[] { typeof(ListViewItem), typeof(string), typeof(Color), typeof(Color), typeof(Font)};
85
86                                 constructor_info = typeof(ListViewItem.ListViewSubItem).GetConstructor(type);
87                                 if (constructor_info != null) {
88                                         object[] arguments = new object[] {sub_item.Text, sub_item.ForeColor, sub_item.BackColor, sub_item.Font};
89                                         return new InstanceDescriptor(constructor_info, (ICollection) arguments, true);
90                                 }
91
92                         }
93                         return base.ConvertTo(context, culture, value, destinationType);
94                 }
95                 #endregion      // Public Instance Methods
96         }
97 }