MonoRail/Castle.MonoRail.ActiveRecordSupport/Scaffold/EditAction.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.MonoRail.ActiveRecordSupport.Scaffold
  16 {
  17         using System;
  18         using Castle.ActiveRecord;
  19         using Castle.Components.Common.TemplateEngine;
  20         using Castle.MonoRail.Framework;
  21
  22         /// <summary>
  23         /// Renders an edit form
  24         /// </summary>
  25         /// <remarks>
  26         /// Searchs for a template named <c>edit{name}</c>
  27         /// </remarks>
  28         public class EditAction : AbstractScaffoldAction
  29         {
  30                 public EditAction(Type modelType, ITemplateEngine templateEngine, bool useModelName, bool useDefaultLayout) :
  31                         base(modelType, templateEngine, useModelName, useDefaultLayout)
  32                 {
  33                 }
  34
  35                 protected override string ComputeTemplateName(IControllerContext controller)
  36                 {
  37                         return controller.Name + "\\edit";
  38                 }
  39
  40                 protected override void PerformActionProcess(IEngineContext engineContext, IController controller, IControllerContext controllerContext)
  41                 {
  42                         base.PerformActionProcess(engineContext, controller, controllerContext);
  43
  44                         object idVal = CommonOperationUtils.ReadPkFromParams(controllerContext.CustomActionParameters, engineContext.Request, ObtainPKProperty());
  45
  46                         try
  47                         {
  48                                 if (!engineContext.Flash.Contains(Model.Type.Name))
  49                                 {
  50                                         object instance = ActiveRecordMediator.FindByPrimaryKey(Model.Type, idVal, true);
  51                                         controllerContext.PropertyBag["instance"] = instance;
  52                                         controllerContext.PropertyBag[Model.Type.Name] = instance;
  53                                 }
  54
  55                                 controllerContext.PropertyBag["prefix"] = Model.Type.Name;
  56                                 controllerContext.PropertyBag["id"] = idVal;
  57                         }
  58                         catch(Exception ex)
  59                         {
  60                                 throw new ScaffoldException("Could not obtain instance by using this id", ex);
  61                         }
  62                 }
  63
  64                 protected override void RenderStandardHtml(IEngineContext engineContext, IController controller, IControllerContext controllerContext)
  65                 {
  66                         SetUpHelpers(engineContext, controller, controllerContext);
  67                         RenderFromTemplate("edit.vm", engineContext, controller, controllerContext);
  68                 }
  69         }
  70 }