MonoRail/Castle.MonoRail.ActiveRecordScaffold/ConfirmRemoveAction.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.Components.Common.TemplateEngine;
  21         using Castle.MonoRail.Framework;
  22
  23
  24         /// <summary>
  25         /// Displays a confirmation message before performing
  26         /// the removal of the instance
  27         /// </summary>
  28         /// <remarks>
  29         /// Searchs for a template named <c>confirm{name}remove</c>
  30         /// </remarks>
  31         public class ConfirmRemoveAction : AbstractScaffoldAction
  32         {
  33                 public ConfirmRemoveAction(Type modelType, ITemplateEngine templateEngine, bool useModelName, bool useDefaultLayout) :
  34                         base(modelType, templateEngine, useModelName, useDefaultLayout)
  35                 {
  36                 }
  37
  38                 protected override string ComputeTemplateName(Controller controller)
  39                 {
  40                         return String.Format(@"{0}\confirm{1}remove", controller.Name, Model.Type.Name);
  41                 }
  42
  43                 protected override void PerformActionProcess(Controller controller)
  44                 {
  45                         base.PerformActionProcess(controller);
  46
  47                         object idVal = CommonOperationUtils.ReadPkFromParams(controller, ObtainPKProperty());
  48
  49                         try
  50                         {
  51                                 object instance = ActiveRecordMediator.FindByPrimaryKey(Model.Type, idVal, true);
  52
  53                                 controller.PropertyBag["instance"] = instance;
  54                                 controller.PropertyBag["id"] = idVal;
  55                         }
  56                         catch(Exception ex)
  57                         {
  58                                 throw new ScaffoldException("Could not obtain instance by using this id", ex);
  59                         }
  60                 }
  61
  62                 protected override void RenderStandardHtml(Controller controller)
  63                 {
  64                         SetUpHelpers(controller);
  65                         RenderFromTemplate("confirm.vm", controller);
  66                 }
  67         }
  68 }