//
// DynamicDataExtensions.cs
//
// Authors:
// Atsushi Enomoto <atsushi@ximian.com>
// Marek Habersack <mhabersack@novell.com>
//
// Copyright (C) 2008-2009 Novell Inc. http://novell.com
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Globalization;
using System.Security.Permissions;
using System.Security.Principal;
using System.Web.Caching;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.DynamicData.ModelProviders;
namespace System.Web.DynamicData{
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public static class DynamicDataExtensions
{
public static object ConvertEditedValue (this IFieldFormattingOptions formattingOptions, string value)
{
// Not a surprise anymore...
if (formattingOptions == null)
throw new NullReferenceException ();
if (String.IsNullOrEmpty (value)) {
if (formattingOptions.ConvertEmptyStringToNull)
return null;
} else {
string nullDisplayText = formattingOptions.NullDisplayText;
if (!String.IsNullOrEmpty (nullDisplayText) && String.Compare (value, nullDisplayText, StringComparison.Ordinal) == 0)
return null;
}
return value;
}
[MonoTODO]
public static void EnablePersistedSelection (this BaseDataBoundControl dataBoundControl)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static void ExpandDynamicWhereParameters (this IDynamicDataSource dataSource)
{
// http://forums.asp.net/p/1396453/3005197.aspx#3005197
throw new NotImplementedException ();
}
[MonoTODO]
public static IDynamicDataSource FindDataSourceControl (this Control current)
{
var control = current as BaseDataBoundControl;
if (control == null)
return null;
string dataSourceID = control.DataSourceID;
if (!String.IsNullOrEmpty (dataSourceID))
return control.DataSource as IDynamicDataSource;
Control namingContainer = control.NamingContainer;
IDynamicDataSource dds;
while (namingContainer != null) {
dds = namingContainer.FindControl (dataSourceID) as IDynamicDataSource;
if (dds != null)
return dds;
namingContainer = namingContainer.NamingContainer;
}
return null;
}
[MonoTODO]
public static Control FindFieldTemplate (this Control control, string columnName)
{
throw new NotImplementedException ();
}
public static MetaTable FindMetaTable (this Control current)
{
// .NET doesn't perform the check, we will
if (current == null)
throw new NullReferenceException ();
while (current != null) {
DataBoundControl dbc = current as DataBoundControl;
if (dbc != null) {
IDynamicDataSource dds = dbc.DataSourceObject as IDynamicDataSource;
if (dds != null)
return dds.GetTable ();
}
current = current.NamingContainer;
}
return null;
}
[MonoTODO]
public static string FormatEditValue (this IFieldFormattingOptions formattingOptions, object fieldValue)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static string FormatValue (this IFieldFormattingOptions formattingOptions, object fieldValue)
{
throw new NotImplementedException ();
}
static string GetDataSourceId (IDynamicDataSource dataSource)
{
Control c = dataSource as Control;
if (c == null)
return String.Empty;
return c.ID;
}
public static MetaTable GetTable (this IDynamicDataSource dataSource)
{
if (dataSource == null)
return null;
string entitySetName = dataSource.EntitySetName;
if (String.IsNullOrEmpty (entitySetName)) {
// LAMESPEC: MSDN says we should throw in this case, but .NET calls
// DynamicDataRouteHandler.GetRequestMetaTable(HttpContext
// httpContext) instead (eventually)
MetaTable ret = DynamicDataRouteHandler.GetRequestMetaTable (HttpContext.Current);
if (ret == null)
throw new InvalidOperationException ("The control '" + GetDataSourceId (dataSource) +
"' does not have a TableName property and a table name cannot be inferred from the URL.");
}
Type contextType = dataSource.ContextType;
if (contextType == null)
throw new InvalidOperationException ("The ContextType property of control '" + GetDataSourceId (dataSource) + "' must specify a data context");
return MetaModel.GetModel (contextType).GetTable (entitySetName);
}
[MonoTODO]
public static void LoadWithForeignKeys (this LinqDataSource dataSource, Type rowType)
{
throw new NotImplementedException ();
}
}
}
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