mcs/class/Managed.Windows.Forms/System.Windows.Forms/ListViewGroup.cs

   1 //
   2 //  ListViewGroup.cs
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 // Copyright (c) 2006 Daniel Nauck
  24 //
  25 // Author:
  26 //      Daniel Nauck            (dna(at)mono-project(dot)de)
  27
  28 #if NET_2_0
  29
  30 using System;
  31 using System.Text;
  32 using System.Runtime.Serialization;
  33 using System.ComponentModel;
  34
  35 namespace System.Windows.Forms
  36 {
  37         [SerializableAttribute]
  38         public sealed class ListViewGroup : ISerializable
  39         {
  40                 private string header = string.Empty;
  41                 private string name = null;
  42                 private HorizontalAlignment header_alignment = HorizontalAlignment.Left;
  43                 private ListView list_view_owner = null;
  44                 private ListView.ListViewItemCollection items = null;
  45                 private object tag = null;
  46
  47                 #region ListViewGroup constructors
  48
  49                 public ListViewGroup()
  50                 {
  51                         header = "ListViewGroup";
  52                         header_alignment = HorizontalAlignment.Left;
  53                 }
  54
  55                 public ListViewGroup(string header)
  56                 {
  57                         this.header = header;
  58                         header_alignment = HorizontalAlignment.Left;
  59                 }
  60
  61                 public ListViewGroup(string key, string headerText)
  62                 {
  63                         header = headerText;
  64                         name = key;
  65                         header_alignment = HorizontalAlignment.Left;
  66                 }
  67
  68                 public ListViewGroup(string header, HorizontalAlignment headerAlignment)
  69                 {
  70                         this.header = header;
  71                         header_alignment = headerAlignment;
  72                 }
  73
  74                 private ListViewGroup(SerializationInfo info, StreamingContext context)
  75                 {
  76                         header = info.GetString("Header");
  77                         name = info.GetString("Name");
  78                         header_alignment = (HorizontalAlignment)info.GetInt32("HeaderAlignment");
  79                         tag = info.GetValue("Tag", typeof(object));
  80
  81                         int count = info.GetInt32("ListViewItemCount");
  82                         if (count > 0) {
  83                                 if(items == null)
  84                                 items = new ListView.ListViewItemCollection(list_view_owner);
  85
  86                                 for (int i = 0; i < count; i++)
  87                                 {
  88                                         items.Add((ListViewItem)info.GetValue(string.Format("ListViewItem_{0}", i), typeof(ListViewItem)));
  89                                 }
  90                         }
  91                 }
  92
  93                 #endregion
  94
  95                 #region ListViewGroup properties
  96
  97                 public string Header {
  98                         get { return header; }
  99                         set {
 100                                 if (!header.Equals(value)) {
 101                                         header = value;
 102
 103                                         if (list_view_owner != null)
 104                                                 list_view_owner.Redraw(true);
 105                                 }
 106                         }
 107                 }
 108
 109                 [DefaultValue (HorizontalAlignment.Left)]
 110                 public HorizontalAlignment HeaderAlignment {
 111                         get { return header_alignment; }
 112                         set {
 113                                 if (!header_alignment.Equals(value)) {
 114                                         if (value != HorizontalAlignment.Left && value != HorizontalAlignment.Right &&
 115                                                 value != HorizontalAlignment.Center)
 116                                                 throw new InvalidEnumArgumentException("HeaderAlignment", (int)value, typeof(HorizontalAlignment));
 117
 118                                         header_alignment = value;
 119
 120                                         if (list_view_owner != null)
 121                                                 list_view_owner.Redraw(true);
 122                                 }
 123                         }
 124                 }
 125
 126                 public ListView.ListViewItemCollection Items {
 127                         get {
 128                                 if (items == null)
 129                                         items = new ListView.ListViewItemCollection(list_view_owner);
 130
 131                                 return items;
 132                         }
 133                 }
 134
 135                 public ListView ListView {
 136                         get { return list_view_owner; }
 137                 }
 138
 139                 internal ListView ListViewOwner {
 140                         get { return list_view_owner; }
 141                         set { list_view_owner = value; }
 142                 }
 143
 144                 [DefaultValue ("")]
 145                 public string Name {
 146                         get { return name; }
 147                         set { name = value; }
 148                 }
 149
 150                 [LocalizableAttribute(false)]
 151                 [BindableAttribute(true)]
 152                 [DefaultValue (null)]
 153                 public Object Tag {
 154                         get { return tag; }
 155                         set { tag = value; }
 156                 }
 157
 158                 #endregion
 159
 160                 public override string ToString()
 161                 {
 162                         return header;
 163                 }
 164
 165                 #region ISerializable Members
 166
 167                 public void GetObjectData(SerializationInfo info, StreamingContext context)
 168                 {
 169                         info.AddValue("Header", header);
 170                         info.AddValue("Name", name);
 171                         info.AddValue("HeaderAlignment", header_alignment);
 172                         info.AddValue("Tag", tag);
 173
 174                         info.AddValue("ListViewItemCount", items.Count);
 175
 176                         int i = 0;
 177                         foreach (ListViewItem item in items)
 178                         {
 179                                 info.AddValue(string.Format("ListViewItem_{0}", i), item);
 180                                 i++;
 181                         }
 182                 }
 183
 184                 #endregion
 185         }
 186 }
 187 #endif