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

   1 // Permission is hereby granted, free of charge, to any person obtaining
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   3 // "Software"), to deal in the Software without restriction, including
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   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 //      Jordi Mas i Hernandez <jordi@ximian.com>
  24 //
  25
  26 using System;
  27 using System.Collections;
  28 using System.ComponentModel;
  29
  30 namespace System.Windows.Forms
  31 {
  32         [Editor("System.Windows.Forms.Design.DataGridColumnCollectionEditor, " + Consts.AssemblySystem_Design, typeof(System.Drawing.Design.UITypeEditor))]
  33         [ListBindable(false)]
  34         public class GridColumnStylesCollection : BaseCollection, IList
  35         {
  36                 private ArrayList items;
  37                 private DataGridTableStyle owner;
  38                 private bool fire_event;
  39
  40                 internal GridColumnStylesCollection (DataGridTableStyle tablestyle)
  41                 {
  42                         items = new ArrayList ();
  43                         owner = tablestyle;
  44                         fire_event = true;
  45                 }
  46
  47                 #region Public Instance Properties
  48                 public DataGridColumnStyle this [string columnName] {
  49                         get {
  50                                 int idx = FromColumnNameToIndex (columnName);
  51                                 return idx == -1 ? null : this [idx];
  52                         }
  53                 }
  54
  55                 public DataGridColumnStyle this [int index] {
  56                         get {
  57                                 return (DataGridColumnStyle) items[index];
  58                         }
  59                 }
  60
  61
  62                 public DataGridColumnStyle this [PropertyDescriptor propDesc] {
  63                         get {
  64                                 for (int i = 0; i < items.Count; i++) {
  65                                         DataGridColumnStyle column = (DataGridColumnStyle) items[i];
  66                                         if (column.PropertyDescriptor.Equals (propDesc)) {
  67                                                 return column;
  68                                         }
  69                                 }
  70
  71                                 return null;
  72                         }
  73                 }
  74
  75                 protected override ArrayList List {
  76                         get { return items; }
  77                 }
  78
  79                 int ICollection.Count {
  80                         get { return items.Count;}
  81                 }
  82
  83                 bool ICollection.IsSynchronized {
  84                         get { return false; }
  85                 }
  86
  87                 object ICollection.SyncRoot {
  88                         get { return this;}
  89                 }
  90
  91                 bool IList.IsFixedSize {
  92                         get { return false; }
  93                 }
  94
  95                 bool IList.IsReadOnly {
  96                         get { return false;}
  97                 }
  98
  99                 object IList.this [int index] {
 100                         get {
 101                                 return items[index];
 102                         }
 103                         set {
 104                                 throw new NotSupportedException ();
 105                         }
 106                 }
 107
 108                 #endregion Public Instance Properties
 109
 110                 #region Private Instance Properties
 111                 internal bool FireEvents {
 112                         get { return fire_event;}
 113                         set { fire_event = value;}
 114                 }
 115                 #endregion Private Instance Properties
 116
 117                 #region Public Instance Methods
 118                 public virtual int Add (DataGridColumnStyle column)
 119                 {
 120                         int cnt = AddInternal (column);
 121                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, column));
 122                         return cnt;
 123                 }
 124
 125                 public void AddRange (DataGridColumnStyle[] columns)
 126                 {
 127                         foreach (DataGridColumnStyle mi in columns)
 128                                 AddInternal (mi);
 129
 130                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh, null));
 131                 }
 132
 133                 public void Clear ()
 134                 {
 135                         items.Clear ();
 136                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh , null));
 137                 }
 138
 139                 public bool Contains (DataGridColumnStyle column)
 140                 {
 141                         return items.Contains (column);
 142                 }
 143
 144
 145                 public bool Contains (PropertyDescriptor propDesc)
 146                 {
 147                         return (this [propDesc] != null);
 148                 }
 149
 150                 public bool Contains (string name)
 151                 {
 152                         return (this[name] != null);
 153                 }
 154
 155                 void ICollection.CopyTo (Array dest, int index)
 156                 {
 157                         items.CopyTo (dest, index);
 158                 }
 159
 160                 IEnumerator IEnumerable.GetEnumerator ()
 161                 {
 162                         return items.GetEnumerator ();
 163                 }
 164
 165                 int IList.Add (object value)
 166                 {
 167                         int cnt = AddInternal ((DataGridColumnStyle)value);
 168
 169                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, null));
 170                         return cnt;
 171                 }
 172
 173                 void IList.Clear ()
 174                 {
 175                         items.Clear ();
 176                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh , null));
 177                 }
 178
 179                 bool IList.Contains (object value)
 180                 {
 181                         return items.Contains (value);
 182                 }
 183
 184                 int IList.IndexOf (object value)
 185                 {
 186                         return items.IndexOf (value);
 187                 }
 188
 189                 void IList.Insert (int index, object value)
 190                 {
 191                         throw new NotSupportedException ();
 192                 }
 193
 194                 void IList.Remove (object value)
 195                 {
 196                         items.Remove (value);
 197                 }
 198
 199                 void IList.RemoveAt (int index)
 200                 {
 201                         object item = items[index];
 202
 203                         items.RemoveAt (index);
 204                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, item));
 205                 }
 206
 207                 public int IndexOf (DataGridColumnStyle element)
 208                 {
 209                         return items.IndexOf (element);
 210                 }
 211
 212                 protected void OnCollectionChanged (CollectionChangeEventArgs ccevent)
 213                 {
 214                         if (fire_event == true && CollectionChanged != null) {
 215                                 CollectionChanged (this, ccevent);
 216                         }
 217                 }
 218
 219                 public void Remove (DataGridColumnStyle column)
 220                 {
 221                         items.Remove (column);
 222                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, column));
 223                 }
 224
 225                 public void RemoveAt (int index)
 226                 {
 227                         object item = items[index];
 228                         items.RemoveAt (index);
 229                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, item));
 230                 }
 231
 232                 public void ResetPropertyDescriptors ()
 233                 {
 234                         for (int i = 0; i < items.Count; i++) {
 235                                 DataGridColumnStyle column = (DataGridColumnStyle) items[i];
 236                                 if (column.PropertyDescriptor != null) {
 237                                         column.PropertyDescriptor = null;
 238                                 }
 239                         }
 240                 }
 241
 242                 #endregion Public Instance Methods
 243
 244                 #region Events
 245                 public event CollectionChangeEventHandler CollectionChanged;
 246                 #endregion Events
 247
 248                 #region Private Instance Methods
 249                 private int AddInternal (DataGridColumnStyle column)
 250                 {
 251                         if (FromColumnNameToIndex (column.MappingName) != -1) {
 252                                 throw new ArgumentException ("The ColumnStyles collection already has a column with this mapping name");
 253                         }
 254
 255                         column.TableStyle = owner;
 256                         int cnt = items.Add (column);
 257                         return cnt;
 258                 }
 259
 260                 private int FromColumnNameToIndex (string columnName)
 261                 {
 262                         for (int i = 0; i < items.Count; i++) {
 263                                 DataGridColumnStyle column = (DataGridColumnStyle) items[i];
 264
 265                                 if (column.MappingName == null)
 266                                         continue;
 267
 268                                 if (String.Compare (column.MappingName, columnName, true) == 0) {
 269                                         return i;
 270                                 }
 271                         }
 272
 273                         return -1;
 274                 }
 275
 276                 #endregion Private Instance Methods
 277         }
 278 }