MonoRail/Castle.MonoRail.Framework.Views.NVelocity/CustomDirectives/BlockComponentDirective.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 using NVelocity.Runtime.Directive;
  16
  17 namespace Castle.MonoRail.Framework.Views.NVelocity.CustomDirectives
  18 {
  19         using System;
  20         using System.Collections;
  21
  22         /// <summary>
  23         /// Pendent
  24         /// </summary>
  25         public class BlockComponentDirective : AbstractComponentDirective
  26         {
  27                 private readonly IList sectionsCreated = new ArrayList();
  28
  29                 public BlockComponentDirective(IViewComponentFactory viewComponentFactory, IViewEngine viewEngine) : base(viewComponentFactory, viewEngine)
  30                 {
  31                 }
  32
  33                 protected override void ProcessSubSections(ViewComponent component, NVelocityViewContextAdapter contextAdapter)
  34                 {
  35                         foreach(SubSectionDirective section in sectionsCreated)
  36                         {
  37                                 if (!component.SupportsSection(section.Name))
  38                                 {
  39                                         throw new ViewComponentException(
  40                                                 String.Format("The section '{0}' is not supported by the ViewComponent '{1}'",
  41                                                         section.Name, component.Context.ComponentName));
  42                                 }
  43
  44                                 contextAdapter.RegisterSection(section);
  45                                 section.ContextAdapter = contextAdapter;
  46                         }
  47                 }
  48
  49                 public override String Name
  50                 {
  51                         get { return "blockcomponent"; }
  52                         set { }
  53                 }
  54
  55                 public override DirectiveType Type
  56                 {
  57                         get { return DirectiveType.BLOCK; }
  58                 }
  59
  60                 public override bool SupportsNestedDirective(String name)
  61                 {
  62                         return true;
  63                 }
  64
  65                 public override Directive CreateNestedDirective(String name)
  66                 {
  67                         SubSectionDirective section = new SubSectionDirective(name);
  68
  69                         sectionsCreated.Add(section);
  70
  71                         return section;
  72                 }
  73         }
  74 }