MonoRail/Castle.MonoRail.ActiveRecordSupport/Scaffold/NewAction.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.MonoRail.Framework;
  19
  20         using Castle.Components.Common.TemplateEngine;
  21
  22
  23         /// <summary>
  24         /// Renders an inclusion form
  25         /// </summary>
  26         /// <remarks>
  27         /// Searchs for a template named <c>new{name}</c>
  28         /// </remarks>
  29         public class NewAction : AbstractScaffoldAction
  30         {
  31                 protected object instance;
  32
  33                 /// <summary>
  34                 /// Initializes a new instance of the <see cref="NewAction"/> class.
  35                 /// </summary>
  36                 /// <param name="modelType">Type of the model.</param>
  37                 /// <param name="templateEngine">The template engine.</param>
  38                 /// <param name="useModelName">Indicates that we should use the model name on urls</param>
  39                 /// <param name="useDefaultLayout">Whether we should use our layout.</param>
  40                 public NewAction(Type modelType, ITemplateEngine templateEngine, bool useModelName, bool useDefaultLayout) :
  41                         base(modelType, templateEngine, useModelName, useDefaultLayout)
  42                 {
  43                 }
  44
  45                 /// <summary>
  46                 /// Computes the name of the template.
  47                 /// </summary>
  48                 /// <param name="controller">The controller.</param>
  49                 /// <returns></returns>
  50                 protected override string ComputeTemplateName(IControllerContext controller)
  51                 {
  52                         return String.Format(@"{0}\new{1}", controller.Name, Model.Type.Name);
  53                 }
  54
  55                 /// <summary>
  56                 /// Implementors should perform the action for the
  57                 /// scaffolding, like new or create.
  58                 /// </summary>
  59                 /// <param name="engineContext">The engine context.</param>
  60                 /// <param name="controller">The controller.</param>
  61                 /// <param name="controllerContext">The controller context.</param>
  62                 protected override void PerformActionProcess(IEngineContext engineContext, IController controller, IControllerContext controllerContext)
  63                 {
  64                         base.PerformActionProcess(engineContext, controller, controllerContext);
  65
  66                         if (instance == null)
  67                         {
  68                                 instance = Activator.CreateInstance(Model.Type);
  69                         }
  70
  71                         string prefix = Model.Type.Name;
  72
  73                         controllerContext.PropertyBag["prefix"] = prefix;
  74                         controllerContext.PropertyBag[prefix + "type"] = Model.Type;
  75                         controllerContext.PropertyBag["instance"] = instance;
  76                 }
  77
  78                 protected override void RenderStandardHtml(IEngineContext engineContext, IController controller, IControllerContext controllerContext)
  79                 {
  80                         SetUpHelpers(engineContext, controller, controllerContext);
  81                         RenderFromTemplate("new.vm", engineContext, controller, controllerContext);
  82                 }
  83         }
  84 }