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

   1 //
   2 //  ListViewGroupCollection.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.Collections;
  33 using System.ComponentModel;
  34
  35 namespace System.Windows.Forms
  36 {
  37         [ListBindable(false)]
  38         public class ListViewGroupCollection : IList, ICollection, IEnumerable
  39         {
  40                 private ArrayList list = null;
  41                 private ListView list_view_owner = null;
  42
  43                 ListViewGroupCollection()
  44                 {
  45                         list = new ArrayList();
  46                 }
  47
  48                 internal ListViewGroupCollection(ListView listViewOwner) : this()
  49                 {
  50                         list_view_owner = listViewOwner;
  51                 }
  52
  53                 internal ListView ListViewOwner {
  54                         get { return list_view_owner; }
  55                         set { list_view_owner = value; }
  56                 }
  57
  58                 #region IEnumerable Members
  59
  60                 public IEnumerator GetEnumerator()
  61                 {
  62                         return list.GetEnumerator();
  63                 }
  64
  65                 #endregion
  66
  67                 #region ICollection Members
  68
  69                 public void CopyTo(Array array, int index)
  70                 {
  71                         list.CopyTo(array, index);
  72                 }
  73
  74                 public int Count {
  75                         get { return list.Count; }
  76                 }
  77
  78                 bool ICollection.IsSynchronized {
  79                         get { return true; }
  80                 }
  81
  82                 object ICollection.SyncRoot {
  83                         get { return this; }
  84                 }
  85
  86                 #endregion
  87
  88                 #region IList Members
  89
  90                 int IList.Add(object value)
  91                 {
  92                         if (!(value is ListViewGroup))
  93                                 throw new ArgumentException("value");
  94
  95                         return Add((ListViewGroup)value);
  96                 }
  97
  98                 public int Add(ListViewGroup value)
  99                 {
 100                         if (Contains(value))
 101                                 return -1;
 102
 103                         CheckListViewItemsInGroup(value);
 104                         value.ListViewOwner = this.list_view_owner;
 105                         int index = list.Add(value);
 106
 107                         if (this.list_view_owner != null)
 108                                 list_view_owner.Redraw(true);
 109
 110                         return index;
 111                 }
 112
 113                 public ListViewGroup Add(string key, string headerText)
 114                 {
 115                         ListViewGroup newGroup = new ListViewGroup(key, headerText);
 116                         Add(newGroup);
 117
 118                         return newGroup;
 119                 }
 120
 121                 public void Clear()
 122                 {
 123                         list.Clear();
 124
 125                         if(list_view_owner != null)
 126                                 list_view_owner.Redraw(true);
 127                 }
 128
 129                 bool IList.Contains(object value)
 130                 {
 131                         if (value is ListViewGroup)
 132                                 return Contains((ListViewGroup)value);
 133                         else
 134                                 return false;
 135                 }
 136
 137                 public bool Contains(ListViewGroup value)
 138                 {
 139                         return list.Contains(value);
 140                 }
 141
 142                 int IList.IndexOf(object value)
 143                 {
 144                         if (value is ListViewGroup)
 145                                 return IndexOf((ListViewGroup)value);
 146                         else
 147                                 return -1;
 148                 }
 149
 150                 public int IndexOf(ListViewGroup value)
 151                 {
 152                         return list.IndexOf(value);
 153                 }
 154
 155                 void IList.Insert(int index, object value)
 156                 {
 157                         if (value is ListViewGroup)
 158                                 Insert(index, (ListViewGroup)value);
 159                 }
 160
 161                 public void Insert(int index, ListViewGroup group)
 162                 {
 163                         if (Contains(group))
 164                                 return;
 165
 166                         CheckListViewItemsInGroup(group);
 167                         list.Insert(index, group);
 168
 169                         if(list_view_owner != null)
 170                                 list_view_owner.Redraw(true);
 171                 }
 172
 173                 bool IList.IsFixedSize {
 174                         get { return false; }
 175                 }
 176
 177                 bool IList.IsReadOnly {
 178                         get { return false; }
 179                 }
 180
 181                 void IList.Remove(object value)
 182                 {
 183                         Remove((ListViewGroup)value);
 184                 }
 185
 186                 public void Remove(ListViewGroup value)
 187                 {
 188                         if (!list.Contains(value))
 189                                 return;
 190
 191                         list.Remove(value);
 192
 193                         if (list_view_owner != null)
 194                                 list_view_owner.Redraw(true);
 195                 }
 196
 197                 public void RemoveAt(int index)
 198                 {
 199                         if (list.Count <= index || index < 0)
 200                                 return;
 201
 202                         Remove(this[index]);
 203                 }
 204
 205                 object IList.this[int index] {
 206                         get { return this[index]; }
 207                         set {
 208                                 if (value is ListViewGroup)
 209                                         this[index] = (ListViewGroup)value;
 210                         }
 211                 }
 212
 213                 public ListViewGroup this[int index] {
 214                         get {
 215                                 if (list.Count <= index || index < 0)
 216                                         throw new ArgumentOutOfRangeException("index");
 217
 218                                 return (ListViewGroup)list[index];
 219                         }
 220                         set {
 221                                 if (list.Count <= index || index < 0)
 222                                         throw new ArgumentOutOfRangeException("index");
 223
 224                                 if (!Contains(value)) {
 225                                         CheckListViewItemsInGroup(value);
 226                                         list[index] = value;
 227
 228                                         if (list_view_owner != null)
 229                                                 list_view_owner.Redraw(true);
 230                                 }
 231                         }
 232                 }
 233
 234                 public ListViewGroup this[string key] {
 235                         get {
 236                                 foreach (ListViewGroup item in list)
 237                                 {
 238                                         if (item.Name.Equals(key))
 239                                                 return item;
 240                                 }
 241
 242                                 return null;
 243                         }
 244                         set {
 245                                 for(int i = 0; i < list.Count; i++)
 246                                 {
 247                                         if ((this[i].Name != null) && (this[i].Name.Equals(key))) {
 248                                                 this[i] = value;
 249                                                 break;
 250                                         }
 251                                 }
 252                         }
 253                 }
 254
 255                 #endregion
 256
 257                 public void AddRange(ListViewGroup[] groups)
 258                 {
 259                         foreach (ListViewGroup item in groups)
 260                         {
 261                                 Add(item);
 262                         }
 263                 }
 264
 265                 public void AddRange(ListViewGroupCollection groups)
 266                 {
 267                         foreach (ListViewGroup item in groups)
 268                         {
 269                                 Add(item);
 270                         }
 271                 }
 272
 273                 private void CheckListViewItemsInGroup(ListViewGroup value)
 274                 {
 275                         //check for correct ListView
 276                         foreach (ListViewItem item in value.Items)
 277                         {
 278                                 if (item.ListView != null && item.ListView != this.list_view_owner)
 279                                         throw new ArgumentException("ListViewItem belongs to a ListView control other than the one that owns this ListViewGroupCollection.",
 280                                                 "ListViewGroup");
 281                         }
 282                 }
 283         }
 284 }
 285 #endif