mcs/class/Managed.Windows.Forms/System.Windows.Forms/DataGridViewColumnCollection.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) 2005 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Author:
  23 //      Pedro Martínez Juliá <pedromj@gmail.com>
  24 //
  25
  26
  27 #if NET_2_0
  28
  29 using System.ComponentModel;
  30 using System.Collections;
  31 using System.Collections.Generic;
  32
  33 namespace System.Windows.Forms
  34 {
  35         [ListBindable (false)]
  36         public class DataGridViewColumnCollection : BaseCollection, IList, ICollection, IEnumerable
  37         {
  38                 private DataGridView dataGridView;
  39                 private List<DataGridViewColumn> display_index_sorted;
  40
  41                 public DataGridViewColumnCollection (DataGridView dataGridView)
  42                 {
  43                         this.dataGridView = dataGridView;
  44                         RegenerateSortedList ();
  45                 }
  46
  47                 bool IList.IsFixedSize {
  48                         get { return base.List.IsFixedSize; }
  49                 }
  50
  51                 object IList.this [int index] {
  52                         get { return this [index]; }
  53                         set { throw new NotSupportedException(); }
  54                 }
  55
  56                 public DataGridViewColumn this [int index] {
  57                         get { return (DataGridViewColumn) base.List[index]; }
  58                 }
  59
  60                 public DataGridViewColumn this [string columnName] {
  61                         get {
  62                                 foreach (DataGridViewColumn col in base.List) {
  63                                         if (col.Name == columnName) {
  64                                                 return col;
  65                                         }
  66                                 }
  67                                 return null;
  68                         }
  69                 }
  70
  71                 public event CollectionChangeEventHandler CollectionChanged;
  72
  73                 int IList.Add (object value)
  74                 {
  75                         return Add(value as DataGridViewColumn);
  76                 }
  77
  78                 public virtual int Add (DataGridViewColumn dataGridViewColumn)
  79                 {
  80                         dataGridViewColumn.SetIndex(base.List.Count);
  81                         dataGridViewColumn.SetDataGridView(dataGridView);
  82                         int result = base.List.Add(dataGridViewColumn);
  83                         OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, dataGridViewColumn));
  84                         return result;
  85                 }
  86
  87                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  88                 public virtual int Add (string columnName, string headerText)
  89                 {
  90                         DataGridViewColumn col = new DataGridViewTextBoxColumn ();
  91                         col.Name = columnName;
  92                         col.HeaderText = headerText;
  93                         return Add (col);
  94                 }
  95
  96                 public virtual void AddRange (params DataGridViewColumn[] dataGridViewColumns)
  97                 {
  98                         foreach (DataGridViewColumn col in dataGridViewColumns)
  99                                 Add (col);
 100                 }
 101
 102                 public virtual void Clear ()
 103                 {
 104                         base.List.Clear ();
 105                         RegenerateSortedList ();
 106                 }
 107
 108                 bool IList.Contains (object value)
 109                 {
 110                         return Contains (value as DataGridViewColumn);
 111                 }
 112
 113                 public virtual bool Contains (DataGridViewColumn dataGridViewColumn)
 114                 {
 115                         return base.List.Contains (dataGridViewColumn);
 116                 }
 117
 118                 public virtual bool Contains (string columnName)
 119                 {
 120                         foreach (DataGridViewColumn col in base.List)
 121                                 if (col.Name == columnName)
 122                                         return true;
 123                         return false;
 124                 }
 125
 126                 public void CopyTo (DataGridViewColumn [] array, int index)
 127                 {
 128                         base.List.CopyTo (array, index);
 129                 }
 130
 131                 public int GetColumnCount (DataGridViewElementStates includeFilter)
 132                 {
 133                         return 0;
 134                 }
 135
 136                 public int GetColumnsWidth (DataGridViewElementStates includeFilter)
 137                 {
 138                         return 0;
 139                 }
 140
 141                 public DataGridViewColumn GetFirstColumn (DataGridViewElementStates includeFilter)
 142                 {
 143                         return null;
 144                 }
 145
 146                 public DataGridViewColumn GetFirstColumn (DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
 147                 {
 148                         return null;
 149                 }
 150
 151                 public DataGridViewColumn GetLastColumn (DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
 152                 {
 153                         return null;
 154                 }
 155
 156                 public DataGridViewColumn GetNextColumn (DataGridViewColumn dataGridViewColumnStart, DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
 157                 {
 158                         return null;
 159                 }
 160
 161                 public DataGridViewColumn GetPreviousColumn (DataGridViewColumn dataGridViewColumnStart, DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
 162                 {
 163                         return null;
 164                 }
 165
 166                 int IList.IndexOf (object value)
 167                 {
 168                         return IndexOf (value as DataGridViewColumn);
 169                 }
 170
 171                 public int IndexOf (DataGridViewColumn dataGridViewColumn)
 172                 {
 173                         return base.List.IndexOf (dataGridViewColumn);
 174                 }
 175
 176                 void IList.Insert (int index, object value)
 177                 {
 178                         Insert (index, value as DataGridViewColumn);
 179                 }
 180
 181                 public virtual void Insert (int columnIndex, DataGridViewColumn dataGridViewColumn)
 182                 {
 183                         dataGridViewColumn.SetIndex (columnIndex);
 184                         dataGridViewColumn.SetDataGridView (dataGridView);
 185                         base.List.Insert (columnIndex, dataGridViewColumn);
 186                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, dataGridViewColumn));
 187                 }
 188
 189                 void IList.Remove (object value)
 190                 {
 191                         Remove (value as DataGridViewColumn);
 192                 }
 193
 194                 public virtual void Remove (DataGridViewColumn dataGridViewColumn)
 195                 {
 196                         base.List.Remove (dataGridViewColumn);
 197                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, dataGridViewColumn));
 198                 }
 199
 200                 public virtual void Remove (string columnName) {
 201                         foreach (DataGridViewColumn col in base.List) {
 202                                 if (col.Name == columnName) {
 203                                         Remove(col);
 204                                         return;
 205                                 }
 206                         }
 207                 }
 208
 209                 public virtual void RemoveAt (int index)
 210                 {
 211                         DataGridViewColumn col = this [index];
 212                         Remove (col);
 213                 }
 214
 215                 protected DataGridView DataGridView {
 216                         get { return dataGridView; }
 217                 }
 218
 219                 protected virtual void OnCollectionChanged (CollectionChangeEventArgs e)
 220                 {
 221                         RegenerateSortedList ();
 222
 223                         if (CollectionChanged != null)
 224                                 CollectionChanged(this, e);
 225                 }
 226
 227                 protected override ArrayList List {
 228                         get { return base.List; }
 229                 }
 230
 231                 internal List<DataGridViewColumn> ColumnDisplayIndexSortedArrayList {
 232                         get { return display_index_sorted; }
 233                 }
 234
 235                 internal void RegenerateSortedList ()
 236                 {
 237                         DataGridViewColumn[] array = (DataGridViewColumn[])base.List.ToArray (typeof (DataGridViewColumn));
 238                         List<DataGridViewColumn> result = new List<DataGridViewColumn> (array);
 239
 240                         result.Sort (new ColumnDisplayIndexComparator ());
 241
 242                         for (int i = 0; i < result.Count; i++)
 243                                 result[i].DisplayIndex = i;
 244
 245                         display_index_sorted = result;
 246                 }
 247
 248                 internal void ClearAutoGeneratedColumns ()
 249                 {
 250                         for (int i = list.Count - 1; i >= 0; i--)
 251                                 if ((list[i] as DataGridViewColumn).AutoGenerated)
 252                                         RemoveAt (i);
 253                 }
 254
 255                 private class ColumnDisplayIndexComparator : IComparer<DataGridViewColumn>
 256                 {
 257                         public int Compare (DataGridViewColumn o1, DataGridViewColumn o2)
 258                         {
 259                                 return o1.DisplayIndex - o2.DisplayIndex;
 260                         }
 261                 }
 262         }
 263 }
 264
 265 #endif