MonoRail/Castle.MonoRail.ActiveRecordScaffold/RemoveAction.cs

   1 // Copyright 2004-2007 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.ActiveRecordScaffold
  16 {
  17         using System;
  18
  19         using Castle.ActiveRecord;
  20         using Castle.MonoRail.Framework;
  21         using Castle.Components.Common.TemplateEngine;
  22
  23         /// <summary>
  24         /// Removes the ActiveRecord instance
  25         /// </summary>
  26         /// <remarks>
  27         /// Searchs for a template named <c>{name}removed</c>
  28         /// </remarks>
  29         public class RemoveAction : AbstractScaffoldAction
  30         {
  31                 public RemoveAction(Type modelType, ITemplateEngine templateEngine, bool useModelName, bool useDefaultLayout) :
  32                         base(modelType, templateEngine, useModelName, useDefaultLayout)
  33                 {
  34                 }
  35
  36                 protected override string ComputeTemplateName(Controller controller)
  37                 {
  38                         return String.Format(@"{0}\{1}removed", controller.Name, Model.Type.Name);
  39                 }
  40
  41                 protected override void PerformActionProcess(Controller controller)
  42                 {
  43                         base.PerformActionProcess(controller);
  44
  45                         object idVal = CommonOperationUtils.ReadPkFromParams(controller, ObtainPKProperty());
  46
  47                         controller.PropertyBag["id"] = idVal;
  48
  49                         try
  50                         {
  51                                 AssertIsPost(controller);
  52
  53                                 object instance = ActiveRecordMediator.FindByPrimaryKey(Model.Type, idVal, true);
  54
  55                                 controller.PropertyBag["instance"] = instance;
  56
  57                                 ActiveRecordMediator.Delete(instance);
  58                         }
  59                         catch(Exception ex)
  60                         {
  61                                 controller.PropertyBag["exception"] = ex;
  62                         }
  63                 }
  64
  65                 protected override void RenderStandardHtml(Controller controller)
  66                 {
  67                         SetUpHelpers(controller);
  68                         RenderFromTemplate("remove.vm", controller);
  69                 }
  70         }
  71 }