MonoRail/Castle.MonoRail.Framework/Internal/JSElementGeneratorBase.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         /// Operations related to an element
  21         /// </summary>
  22         public abstract class JSElementGeneratorBase
  23         {
  24                 /// <summary>
  25                 /// Element generator instance
  26                 /// </summary>
  27                 protected readonly IJSElementGenerator generator;
  28                 /// <summary>
  29                 /// Parent Generator instance
  30                 /// </summary>
  31                 protected readonly IJSGenerator parentGenerator;
  32
  33                 /// <summary>
  34                 /// Initializes a new instance of the <see cref="JSElementGeneratorBase"/> class.
  35                 /// </summary>
  36                 /// <param name="generator">The generator.</param>
  37                 public JSElementGeneratorBase(IJSElementGenerator generator)
  38                 {
  39                         this.generator = generator;
  40                         parentGenerator = generator.ParentGenerator;
  41                 }
  42
  43                 /// <summary>
  44                 /// Generates a get statement
  45                 /// </summary>
  46                 /// <param name="propName">Name of the prop.</param>
  47                 protected void InternalGet(string propName)
  48                 {
  49                         PrototypeHelper.JSGenerator.ReplaceTailByPeriod(parentGenerator);
  50                         PrototypeHelper.JSGenerator.Record(parentGenerator, propName);
  51                 }
  52
  53                 /// <summary>
  54                 /// Dispatches the invocation (late bound)
  55                 /// </summary>
  56                 /// <param name="method">The method.</param>
  57                 /// <param name="args">The args.</param>
  58                 /// <returns></returns>
  59                 protected object InternalInvoke(string method, object[] args)
  60                 {
  61                         if (method == "set")
  62                         {
  63                                 PrototypeHelper.JSGenerator.RemoveTail(parentGenerator);
  64
  65                                 PrototypeHelper.JSGenerator.Record(parentGenerator, " = " + args[0]);
  66
  67                                 return null;
  68                         }
  69                         else
  70                         {
  71                                 PrototypeHelper.JSGenerator.ReplaceTailByPeriod(parentGenerator);
  72                                 //TODO: This code is duplicated JSCollectionGeneratorBase line 65
  73                                 DynamicDispatchSupport dispInterface = generator as DynamicDispatchSupport;
  74                                 if (dispInterface == null)
  75                                 {
  76                                         throw new MonoRail.Framework.RailsException("JS Generators must inherit DynamicDispatchSupport");
  77                                 }
  78                                 if (dispInterface.IsGeneratorMethod(method))
  79                                 {
  80                                         dispInterface.Dispatch(method, args);
  81                                 }
  82                                 else
  83                                 {
  84                                         parentGenerator.Call(method, args);
  85                                 }
  86
  87                                 return this;
  88                         }
  89                 }
  90         }
  91 }