mcs/class/System.Design/System.Windows.Forms.Design/ControlCodeDomSerializer.cs

   1 //
   2 // System.Windows.Forms.Design.ControlCodeDomSerializaer
   3 //
   4 // Authors:
   5 //        Ivan N. Zlatev (contact i-nZ.net)
   6 //
   7 // (C) 2007 Ivan N. Zlatev
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if NET_2_0
  31
  32 using System;
  33 using System.Collections;
  34 using System.Reflection;
  35 using System.ComponentModel;
  36 using System.ComponentModel.Design;
  37 using System.ComponentModel.Design.Serialization;
  38 using System.CodeDom;
  39 using System.Windows.Forms;
  40
  41 namespace System.Windows.Forms.Design
  42 {
  43         internal class ControlCodeDomSerializer : ComponentCodeDomSerializer
  44         {
  45
  46                 public ControlCodeDomSerializer ()
  47                 {
  48                 }
  49
  50                 public override object Serialize (IDesignerSerializationManager manager, object value)
  51                 {
  52                         if (value == null)
  53                                 throw new ArgumentNullException ("value");
  54                         if (manager == null)
  55                                 throw new ArgumentNullException ("manager");
  56
  57                         if (!(value is Control))
  58                                 throw new InvalidOperationException ("value is not a Control");
  59
  60                         object serialized = base.Serialize (manager, value);
  61                         CodeStatementCollection statements = serialized as CodeStatementCollection;
  62                         if (statements != null) {
  63                                 ICollection childControls = TypeDescriptor.GetProperties (value)["Controls"].GetValue (value) as ICollection;
  64                                 // If the serialized object is not a statements collection then we don't do anything,
  65                                 // because this means that the object is not under context (serialized to experssion)
  66                                 //
  67                                 if (childControls.Count > 0) {
  68                                         CodeExpression componentRef = base.GetExpression (manager, value);
  69                                         statements.Insert (0, new CodeExpressionStatement (
  70                                                 new CodeMethodInvokeExpression (componentRef, "SuspendLayout")));
  71                                         statements.Add (new CodeMethodInvokeExpression (componentRef, "ResumeLayout",
  72                                                                                                                                                    new CodeExpression[] {
  73                                                                                                                                                            new CodePrimitiveExpression (false) }));
  74                                         serialized = statements;
  75                                 }
  76                         }
  77                         return serialized;
  78                 }
  79         }
  80 }
  81 #endif