class/System.Design/System.Windows.Forms.Design/StringArrayEditor.cs

   1 //
   2 // System.Windows.Forms.Design.StringArrayEditor
   3 //
   4 // Author:
   5 //   Ivan N. Zlatev <contact@i-nz.net>
   6 //
   7 // (C) 2007 Ivan N. Zlatev
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.ComponentModel;
  33 using System.Drawing.Design;
  34 using System.Windows.Forms;
  35
  36 namespace System.Windows.Forms.Design
  37 {
  38         internal class StringArrayEditor : StringCollectionEditor
  39         {
  40
  41                 public StringArrayEditor (Type type) : base (type)
  42                 {
  43                 }
  44
  45                 protected override object[] GetItems (object editValue)
  46                 {
  47                         Array array = editValue as Array;
  48                         if (array == null)
  49                                 return new object[0];
  50
  51                         object[] objectArray = new object[array.GetLength (0)];
  52                         Array.Copy (array, objectArray, objectArray.Length);
  53                         return objectArray;
  54                 }
  55
  56                 protected override object SetItems (object editValue, object[] value)
  57                 {
  58                         if (!(editValue is Array))
  59                                 return editValue;
  60
  61                         Array typeArray = Array.CreateInstance (base.CollectionItemType, value.Length);
  62                         Array.Copy (value, typeArray, value.Length);
  63                         return typeArray;
  64                 }
  65
  66                 protected override Type CreateCollectionItemType ()
  67                 {
  68                         return base.CollectionType.GetElementType ();
  69                 }
  70         }
  71 }