MonoRail/Castle.MonoRail.ActiveRecordScaffold/UpdateAction.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         using System.Collections;
  19         using System.Reflection;
  20         using Castle.ActiveRecord;
  21         using Castle.Components.Common.TemplateEngine;
  22         using Castle.MonoRail.Framework;
  23
  24         /// <summary>
  25         /// Performs the update
  26         /// </summary>
  27         /// <remarks>
  28         /// Searchs for a template named <c>create{name}</c>
  29         /// </remarks>
  30         public class UpdateAction : AbstractScaffoldAction
  31         {
  32                 public UpdateAction(Type modelType, ITemplateEngine templateEngine, bool useModelName, bool useDefaultLayout) :
  33                         base(modelType, templateEngine, useModelName, useDefaultLayout)
  34                 {
  35                 }
  36
  37                 protected override string ComputeTemplateName(Controller controller)
  38                 {
  39                         return String.Format(@"{0}\update{1}", controller.Name, Model.Type.Name);
  40                 }
  41
  42                 protected override void PerformActionProcess(Controller controller)
  43                 {
  44                         object instance = null;
  45
  46                         try
  47                         {
  48                                 AssertIsPost(controller);
  49
  50                                 instance = binder.BindObject(Model.Type, Model.Type.Name, builder.BuildSourceNode(controller.Request.Form));
  51
  52                                 CommonOperationUtils.SaveInstance(instance, controller, errors, ref prop2Validation, false);
  53
  54                                 SessionScope.Current.Flush();
  55
  56                                 if (UseModelName)
  57                                 {
  58                                         controller.Redirect(controller.AreaName, controller.Name, "list" + Model.Type.Name);
  59                                 }
  60                                 else
  61                                 {
  62                                         controller.Redirect(controller.AreaName, controller.Name, "list");
  63                                 }
  64                         }
  65                         catch(Exception ex)
  66                         {
  67                                 errors.Add("Could not save " + Model.Type.Name + ". " + ex.Message);
  68                         }
  69
  70                         if (errors.Count != 0)
  71                         {
  72                                 controller.Context.Flash[Model.Type.Name] = instance;
  73                                 controller.Context.Flash["errors"] = errors;
  74
  75                                 PropertyInfo keyProp = ObtainPKProperty();
  76                                 IDictionary props = new Hashtable();
  77
  78                                 if (instance != null)
  79                                 {
  80                                         props[keyProp.Name] = keyProp.GetValue(instance, null);
  81                                 }
  82
  83                                 if (UseModelName)
  84                                 {
  85                                         controller.Redirect(controller.AreaName, controller.Name, "edit" + Model.Type.Name, props);
  86                                 }
  87                                 else
  88                                 {
  89                                         controller.Redirect(controller.AreaName, controller.Name, "edit", props);
  90                                 }
  91                         }
  92                 }
  93
  94                 protected override void RenderStandardHtml(Controller controller)
  95                 {
  96                 }
  97         }
  98 }