mcs/class/System.Web.DynamicData/System.Web.DynamicData/DynamicDataExtensions.cs

   1 //
   2 // DynamicDataExtensions.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2008 Novell Inc. http://novell.com
   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 using System;
  31 using System.Collections;
  32 using System.Collections.Generic;
  33 using System.Collections.Specialized;
  34 using System.Globalization;
  35 using System.Security.Permissions;
  36 using System.Security.Principal;
  37 using System.Web.Caching;
  38 using System.Web.UI;
  39 using System.Web.UI.WebControls;
  40 using System.Web.DynamicData.ModelProviders;
  41
  42 namespace System.Web.DynamicData
  43 {
  44         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  45         public static class DynamicDataExtensions
  46         {
  47                 [MonoTODO]
  48                 public static object ConvertEditedValue (this IFieldFormattingOptions formattingOptions, string value)
  49                 {
  50                         throw new NotImplementedException ();
  51                 }
  52
  53                 [MonoTODO]
  54                 public static void EnablePersistedSelection (this BaseDataBoundControl dataBoundControl)
  55                 {
  56                         throw new NotImplementedException ();
  57                 }
  58
  59                 [MonoTODO]
  60                 public static void ExpandDynamicWhereParameters (this IDynamicDataSource dataSource)
  61                 {
  62                         throw new NotImplementedException ();
  63                 }
  64
  65                 [MonoTODO]
  66                 public static IDynamicDataSource FindDataSourceControl (this Control current)
  67                 {
  68                         throw new NotImplementedException ();
  69                 }
  70
  71                 [MonoTODO]
  72                 public static Control FindFieldTemplate (this Control control, string columnName)
  73                 {
  74                         throw new NotImplementedException ();
  75                 }
  76
  77                 public static MetaTable FindMetaTable (this Control current)
  78                 {
  79                         // .NET doesn't perform the check, we will
  80                         if (current == null)
  81                                 throw new NullReferenceException ();
  82
  83                         while (current != null) {
  84                                 DataBoundControl dbc = current as DataBoundControl;
  85                                 if (dbc != null) {
  86                                         IDynamicDataSource dds = dbc.InternalGetDataSource () as IDynamicDataSource;
  87                                         if (dds != null)
  88                                                 return dds.GetTable ();
  89                                 }
  90
  91                                 current = current.NamingContainer;
  92                         }
  93
  94                         return null;
  95                 }
  96
  97                 [MonoTODO]
  98                 public static string FormatEditValue (this IFieldFormattingOptions formattingOptions, object fieldValue)
  99                 {
 100                         throw new NotImplementedException ();
 101                 }
 102
 103                 [MonoTODO]
 104                 public static string FormatValue (this IFieldFormattingOptions formattingOptions, object fieldValue)
 105                 {
 106                         throw new NotImplementedException ();
 107                 }
 108
 109                 static string GetDataSourceId (IDynamicDataSource dataSource)
 110                 {
 111                         Control c = dataSource as Control;
 112                         if (c == null)
 113                                 return String.Empty;
 114
 115                         return c.ID;
 116                 }
 117
 118                 public static MetaTable GetTable (this IDynamicDataSource dataSource)
 119                 {
 120                         if (dataSource == null)
 121                                 return null;
 122
 123                         string entitySetName = dataSource.EntitySetName;
 124                         if (String.IsNullOrEmpty (entitySetName)) {
 125                                 // LAMESPEC: MSDN says we should throw in this case, but .NET calls
 126                                 // DynamicDataRouteHandler.GetRequestMetaTable(HttpContext
 127                                 // httpContext) instead (eventually)
 128                                 MetaTable ret = DynamicDataRouteHandler.GetRequestMetaTable (HttpContext.Current);
 129                                 if (ret == null)
 130                                         throw new InvalidOperationException ("The control '" + GetDataSourceId (dataSource) +
 131                                                                              "' does not have a TableName property and a table name cannot be inferred from the URL.");
 132                         }
 133
 134                         Type contextType = dataSource.ContextType;
 135                         if (contextType == null)
 136                                 throw new InvalidOperationException ("The ContextType property of control '" + GetDataSourceId (dataSource) + "' must specify a data context");
 137
 138                         return MetaModel.GetModel (contextType).GetTable (entitySetName);
 139                 }
 140
 141                 [MonoTODO]
 142                 public static void LoadWithForeignKeys (this LinqDataSource dataSource, Type rowType)
 143                 {
 144                         throw new NotImplementedException ();
 145                 }
 146         }
 147 }