class/System.Web/System.Web.UI.WebControls/ValidatedControlConverter.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 // Authors:
  23 //      Peter Bartok    (pbartok@novell.com)
  24 //
  25 //
  26
  27 using System.Collections;
  28 using System.ComponentModel;
  29 using System.Globalization;
  30 using System.Security.Permissions;
  31
  32 namespace System.Web.UI.WebControls {
  33
  34         // CAS
  35         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  36         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  37         public class ValidatedControlConverter
  38 #if NET_2_0
  39                 : ControlIDConverter
  40 #else
  41                 : StringConverter
  42 #endif
  43         {
  44                 #region Public Constructors
  45                 public ValidatedControlConverter() {
  46                 }
  47                 #endregion      // Public Constructors
  48
  49                 #region Public Instance Methods
  50                 // We need to return all controls that have a validation property
  51                 public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
  52                 {
  53                         if ((context != null) && (context.Container != null) && (context.Container.Components != null)) {
  54                                 ArrayList               values;
  55                                 int                     count;
  56                                 string                  id;
  57                                 ComponentCollection     components;
  58
  59                                 values = new ArrayList();
  60                                 components = context.Container.Components;
  61                                 count = components.Count;
  62
  63                                 for (int i = 0; i < count; i++) {
  64                                         if (FilterControl((Control)components[i])) {    // We have a ValidationProperty
  65                                                 id = ((Control)components[i]).ID;
  66                                                 if ((id != null) && (id.Length > 0)) {
  67                                                         values.Add(id);
  68                                                 }
  69                                         }
  70                                 }
  71
  72                                 // How do I sort the InvariantCulture way?
  73                                 values.Sort();
  74                                 if (values.Count > 0) {
  75                                         return new StandardValuesCollection(values);
  76                                 }
  77                                 return null;
  78                         }
  79                         return base.GetStandardValues (context);
  80                 }
  81
  82 #if NET_2_0
  83                 protected override
  84 #endif
  85                 bool FilterControl (Control control)
  86                 {
  87                         return BaseValidator.GetValidationProperty (control) != null;
  88                 }
  89
  90                 public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) {
  91                         return false;
  92                 }
  93
  94                 public override bool GetStandardValuesSupported(ITypeDescriptorContext context) {
  95                         return true;
  96                 }
  97                 #endregion      // Public Instance Methods
  98         }
  99 }