class/System/System.ComponentModel/ComponentResourceManager.cs

   1 //
   2 // System.ComponentModel.ComponentResourceManager.cs
   3 //
   4 // Author:
   5 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   6 //   Gert Driesen (drieseng@users.sourceforge.net)
   7 //
   8 // (C) 2003 Andreas Nahr
   9 //
  10 //
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.Collections;
  34 using System.Collections.Specialized;
  35 using System.Globalization;
  36 using System.Reflection;
  37 using System.Resources;
  38
  39 namespace System.ComponentModel
  40 {
  41         public class ComponentResourceManager : ResourceManager
  42         {
  43                 public ComponentResourceManager ()
  44                 {
  45                 }
  46
  47                 public ComponentResourceManager (Type t)
  48                         : base (t)
  49                 {
  50                 }
  51
  52                 public void ApplyResources (object value, string objectName)
  53                 {
  54                         ApplyResources (value, objectName, (CultureInfo) null);
  55                 }
  56
  57                 public virtual void ApplyResources (object value, string objectName, CultureInfo culture)
  58                 {
  59                         if (value == null)
  60                                 throw new ArgumentNullException ("value");
  61                         if (objectName == null)
  62                                 throw new ArgumentNullException ("objectName");
  63                         if (culture == null)
  64                                 culture = CultureInfo.CurrentUICulture;
  65
  66                         Hashtable resources = IgnoreCase ? CollectionsUtil.CreateCaseInsensitiveHashtable ()
  67                                 : new Hashtable ();
  68                         BuildResources (culture, resources);
  69
  70                         string objKey = objectName + ".";
  71                         CompareOptions compareOptions = IgnoreCase ?
  72                                 CompareOptions.IgnoreCase : CompareOptions.None;
  73                         Type type = value.GetType ();
  74
  75                         BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
  76                         if (IgnoreCase)
  77                                 bindingFlags |= BindingFlags.IgnoreCase;
  78
  79                         foreach (DictionaryEntry de in resources) {
  80                                 string resName = (string) de.Key;
  81                                 if (!culture.CompareInfo.IsPrefix (resName, objKey, compareOptions))
  82                                         continue;
  83
  84                                 string propName = resName.Substring (objKey.Length);
  85                                 PropertyInfo pinfo = type.GetProperty (propName,
  86                                         bindingFlags);
  87                                 if (pinfo == null || !pinfo.CanWrite)
  88                                         continue;
  89                                 object resValue = de.Value;
  90                                 if (resValue == null || pinfo.PropertyType.IsInstanceOfType (resValue))
  91                                         pinfo.SetValue (value, resValue, null);
  92                         }
  93                 }
  94
  95                 void BuildResources (CultureInfo culture, Hashtable resources)
  96                 {
  97                         // first load resources for less specific culture
  98                         if (culture != culture.Parent) {
  99                                 BuildResources (culture.Parent, resources);
 100                         }
 101
 102                         ResourceSet rs = GetResourceSet (culture, true, false);
 103                         if (rs != null) {
 104                                 foreach (DictionaryEntry de in rs)
 105                                         resources [(string) de.Key] = de.Value;
 106                         }
 107                 }
 108         }
 109 }