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

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   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         [ListBindable(false)]
  33         public class GridTableStylesCollection : BaseCollection, IList
  34         {
  35                 private ArrayList items;
  36                 private DataGrid owner;
  37
  38                 internal GridTableStylesCollection (DataGrid grid)
  39                 {
  40                         items = new ArrayList ();
  41                         owner = grid;
  42                 }
  43
  44                 #region Public Instance Properties
  45                 public DataGridTableStyle this[string tableName] {
  46                         get {
  47                                 int idx = FromTableNameToIndex (tableName);
  48                                 return idx == -1 ? null : this [idx];
  49                         }
  50                 }
  51
  52                 public DataGridTableStyle this[int index] {
  53                         get {
  54                                 return (DataGridTableStyle) items[index];
  55                         }
  56                 }
  57
  58                 protected override ArrayList List {
  59                         get { return items; }
  60                 }
  61
  62                 int ICollection.Count {
  63                         get { return items.Count;}
  64                 }
  65
  66                 bool ICollection.IsSynchronized {
  67                         get { return false; }
  68                 }
  69
  70                 object ICollection.SyncRoot {
  71                         get { return this;}
  72                 }
  73
  74                 bool IList.IsFixedSize {
  75                         get { return false; }
  76                 }
  77
  78                 bool IList.IsReadOnly {
  79                         get { return false;}
  80                 }
  81
  82                 object IList.this [int index] {
  83                         get {
  84                                 return items[index];
  85                         }
  86                         set {
  87                                 throw new NotSupportedException ();
  88                         }
  89                 }
  90
  91                 #endregion Public Instance Properties
  92
  93                 #region Public Instance Methods
  94                 public virtual int Add (DataGridTableStyle table)
  95                 {
  96                         int cnt = AddInternal (table);
  97                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, table));
  98                         return cnt;
  99                 }
 100
 101                 public virtual void AddRange (DataGridTableStyle[] tables)
 102                 {
 103                         foreach (DataGridTableStyle mi in tables)
 104                                 AddInternal (mi);
 105
 106                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh, null));
 107                 }
 108
 109                 public void Clear ()
 110                 {
 111                         items.Clear ();
 112                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh , null));
 113                 }
 114
 115                 public bool Contains (DataGridTableStyle table)
 116                 {
 117                         return (FromTableNameToIndex (table.MappingName) != -1);
 118                 }
 119
 120                 public bool Contains (string name)
 121                 {
 122                         return (FromTableNameToIndex (name) != -1);
 123                 }
 124
 125                 void ICollection.CopyTo (Array dest, int index)
 126                 {
 127                         items.CopyTo (dest, index);
 128                 }
 129
 130                 IEnumerator IEnumerable.GetEnumerator ()
 131                 {
 132                         return items.GetEnumerator ();
 133                 }
 134
 135                 int IList.Add (object value)
 136                 {
 137                         return Add ((DataGridTableStyle)value);
 138                 }
 139
 140                 void IList.Clear ()
 141                 {
 142                         Clear ();
 143                 }
 144
 145                 bool IList.Contains (object value)
 146                 {
 147                         return Contains ((DataGridTableStyle) value);
 148                 }
 149
 150                 int IList.IndexOf (object value)
 151                 {
 152                         return items.IndexOf (value);
 153                 }
 154
 155                 void IList.Insert (int index, object value)
 156                 {
 157                         throw new NotSupportedException ();
 158                 }
 159
 160                 void IList.Remove (object value)
 161                 {
 162                         Remove ((DataGridTableStyle) value);
 163                 }
 164
 165                 void IList.RemoveAt (int index)
 166                 {
 167                         RemoveAt (index);
 168                 }
 169
 170                 protected void OnCollectionChanged (CollectionChangeEventArgs ccevent)
 171                 {
 172                         if (CollectionChanged != null) {
 173                                 CollectionChanged (this, ccevent);
 174                         }
 175                 }
 176
 177                 public void Remove (DataGridTableStyle table)
 178                 {
 179                         items.Remove (table);
 180                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, table));
 181                 }
 182
 183                 void MappingNameChanged (object sender, EventArgs args)
 184                 {
 185                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh, null));
 186                 }
 187
 188                 public void RemoveAt (int index)
 189                 {
 190                         DataGridTableStyle style = (DataGridTableStyle)items[index];
 191
 192                         items.RemoveAt (index);
 193                         style.MappingNameChanged -= new EventHandler (MappingNameChanged);
 194                         OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, style));
 195                 }
 196
 197                 #endregion Public Instance Methods
 198
 199                 #region Events
 200                 public event CollectionChangeEventHandler CollectionChanged;
 201                 #endregion Events
 202
 203
 204                 #region Private Instance Methods
 205                 private int AddInternal (DataGridTableStyle table)
 206                 {
 207                         // TODO: MS allows duplicate columns. How they diferenciate between them?
 208                         if (FromTableNameToIndex (table.MappingName) != -1) {
 209                                 throw new ArgumentException ("The TableStyles collection already has a TableStyle with this mapping name");
 210                         }
 211
 212                         table.MappingNameChanged += new EventHandler (MappingNameChanged);
 213                         table.DataGrid = owner;
 214                         int cnt = items.Add (table);
 215                         return cnt;
 216                 }
 217
 218                 private int FromTableNameToIndex (string tableName)
 219                 {
 220                         for (int i = 0; i < items.Count; i++) {
 221                                 DataGridTableStyle table = (DataGridTableStyle) items[i];
 222
 223                                 if (String.Compare (table.MappingName, tableName, true) == 0) {
 224                                         return i;
 225                                 }
 226                         }
 227
 228                         return -1;
 229                 }
 230
 231                 #endregion Private Instance Methods
 232         }
 233 }
 234