MonoRail/Castle.MonoRail.Framework/Views/Aspx/ControllerBinder/Design/StandardTarget.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 #if NET
  16
  17 namespace Castle.MonoRail.Framework.Views.Aspx.Design
  18 {
  19         using System;
  20         using System.ComponentModel;
  21
  22         /// <summary>
  23         /// Pendent
  24         /// </summary>
  25         public class StandardTarget : ITarget
  26         {
  27                 private readonly Type type;
  28                 private readonly string name;
  29                 private string[] propertyNames;
  30
  31                 /// <summary>
  32                 /// Initializes a new instance of the <see cref="StandardTarget"/> class.
  33                 /// </summary>
  34                 /// <param name="name">The name.</param>
  35                 public StandardTarget(string name)
  36                 {
  37                         if (name == null)
  38                         {
  39                                 throw new ArgumentNullException("name");
  40                         }
  41
  42                         this.name = name;
  43                 }
  44
  45                 /// <summary>
  46                 /// Initializes a new instance of the <see cref="StandardTarget"/> class.
  47                 /// </summary>
  48                 /// <param name="type">The type.</param>
  49                 /// <param name="name">The name.</param>
  50                 public StandardTarget(Type type, string name) : this(name)
  51                 {
  52                         if (type == null)
  53                         {
  54                                 throw new ArgumentNullException("type");
  55                         }
  56
  57                         this.type = type;
  58                 }
  59
  60                 /// <summary>
  61                 /// Initializes a new instance of the <see cref="StandardTarget"/> class.
  62                 /// </summary>
  63                 /// <param name="instance">The instance.</param>
  64                 /// <param name="name">The name.</param>
  65                 public StandardTarget(object instance, string name) : this(name)
  66                 {
  67                         if (instance == null)
  68                         {
  69                                 throw new ArgumentNullException("instance");
  70                         }
  71
  72                         type = instance.GetType();
  73                 }
  74
  75                 /// <summary>
  76                 /// Gets the property names.
  77                 /// </summary>
  78                 /// <value>The property names.</value>
  79                 public string[] PropertyNames
  80                 {
  81                         get
  82                         {
  83                                 if (propertyNames == null)
  84                                 {
  85                                         propertyNames = CollectPropertyNames(type);
  86                                         Array.Sort(propertyNames);
  87                                 }
  88                                 return propertyNames;
  89                         }
  90                 }
  91
  92                 /// <summary>
  93                 /// Returns a <see cref="T:System.String"></see> that represents the current <see cref="T:System.Object"></see>.
  94                 /// </summary>
  95                 /// <returns>
  96                 /// A <see cref="T:System.String"></see> that represents the current <see cref="T:System.Object"></see>.
  97                 /// </returns>
  98                 public override string ToString()
  99                 {
 100                         return name;
 101                 }
 102
 103                 /// <summary>
 104                 /// Collects the property names.
 105                 /// </summary>
 106                 /// <param name="type">The type.</param>
 107                 /// <returns></returns>
 108                 protected virtual string[] CollectPropertyNames(Type type)
 109                 {
 110                         if (type == null) return new string[0];
 111
 112                         PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(type);
 113
 114                         string[] propertyDescNames = new string[properties.Count];
 115
 116                         for (int i = 0; i < properties.Count; ++i)
 117                         {
 118                                 propertyDescNames[i] = properties[i].Name;
 119                         }
 120
 121                         return propertyDescNames;
 122                 }
 123         }
 124 }
 125
 126 #endif