MonoRail/Castle.MonoRail.Framework/Internal/JSCollectionGeneratorBase.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.Framework.Internal
  16 {
  17         using Castle.MonoRail.Framework.Helpers;
  18
  19         /// <summary>
  20         /// Collection related generator
  21         /// </summary>
  22         /// <remarks>
  23         /// Not really implemented.
  24         /// </remarks>
  25         public abstract class JSCollectionGeneratorBase
  26         {
  27                 /// <summary>
  28                 /// Collection generator instance
  29                 /// </summary>
  30                 protected readonly IJSCollectionGenerator generator;
  31                 /// <summary>
  32                 /// Parent generator instance
  33                 /// </summary>
  34                 protected readonly IJSGenerator parentGenerator;
  35
  36                 /// <summary>
  37                 /// Initializes a new instance of the <see cref="JSCollectionGeneratorBase"/> class.
  38                 /// </summary>
  39                 /// <param name="generator">The generator.</param>
  40                 public JSCollectionGeneratorBase(IJSCollectionGenerator generator)
  41                 {
  42                         this.generator = generator;
  43                         parentGenerator = generator.ParentGenerator;
  44                 }
  45
  46                 /// <summary>
  47                 /// Defines the behavior when a property is read
  48                 /// </summary>
  49                 /// <param name="propName">Property name.</param>
  50                 /// <returns>value back to the template</returns>
  51                 protected void InternalGet(string propName)
  52                 {
  53                         PrototypeHelper.JSGenerator.ReplaceTailByPeriod(parentGenerator);
  54                         PrototypeHelper.JSGenerator.Record(parentGenerator, propName);
  55                 }
  56
  57                 /// <summary>
  58                 /// Invokes the specified method.
  59                 /// </summary>
  60                 /// <param name="method">The method name.</param>
  61                 /// <param name="args">The method arguments.</param>
  62                 /// <returns>value back to the template</returns>
  63                 protected object InternalInvoke(string method, object[] args)
  64                 {
  65                         if (method == "set")
  66                         {
  67                                 PrototypeHelper.JSGenerator.RemoveTail(parentGenerator);
  68
  69                                 PrototypeHelper.JSGenerator.Record(parentGenerator, " = " + args[0]);
  70
  71                                 return null;
  72                         }
  73                         else
  74                         {
  75                                 PrototypeHelper.JSGenerator.ReplaceTailByPeriod(parentGenerator);
  76                                 DynamicDispatchSupport dispInterface = generator as DynamicDispatchSupport;
  77                                 if (dispInterface == null)
  78                                 {
  79                                         throw new MonoRail.Framework.MonoRailException("JS Generators must inherit DynamicDispatchSupport");
  80                                 }
  81                                 if (dispInterface.IsGeneratorMethod(method))
  82                                 {
  83                                         dispInterface.Dispatch(method, args);
  84                                 }
  85                                 else
  86                                 {
  87                                         parentGenerator.Call(method, args);
  88                                 }
  89
  90                                 return this;
  91                         }
  92                 }
  93         }
  94 }