SlimDXc_Jun2010(VC++2008)/source/design/RayConverter.cpp

   1 #include "stdafx.h"\r
   2 /*\r
   3 * Copyright (c) 2007-2010 SlimDX Group\r
   4 * \r
   5 * Permission is hereby granted, free of charge, to any person obtaining a copy\r
   6 * of this software and associated documentation files (the "Software"), to deal\r
   7 * in the Software without restriction, including without limitation the rights\r
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
   9 * copies of the Software, and to permit persons to whom the Software is\r
  10 * furnished to do so, subject to the following conditions:\r
  11 * \r
  12 * The above copyright notice and this permission notice shall be included in\r
  13 * all copies or substantial portions of the Software.\r
  14 * \r
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  21 * THE SOFTWARE.\r
  22 */\r
  23 \r
  24 #include "../InternalHelpers.h"\r
  25 #include "../math/Ray.h"\r
  26 \r
  27 #include "RayConverter.h"\r
  28 #include "FieldPropertyDescriptor.h"\r
  29 \r
  30 using namespace System;\r
  31 using namespace System::Collections;\r
  32 using namespace System::Drawing;\r
  33 using namespace System::ComponentModel;\r
  34 using namespace System::ComponentModel::Design::Serialization;\r
  35 using namespace System::Globalization;\r
  36 using namespace System::Reflection;\r
  37 \r
  38 namespace SlimDX\r
  39 {\r
  40 namespace Design\r
  41 {\r
  42         RayConverter::RayConverter()\r
  43         {\r
  44                 Type^ type = Ray::typeid;\r
  45                 array<PropertyDescriptor^>^ propArray =\r
  46                 {\r
  47                         gcnew FieldPropertyDescriptor(type->GetField("Position")),\r
  48                         gcnew FieldPropertyDescriptor(type->GetField("Direction")),\r
  49                 };\r
  50 \r
  51                 m_Properties = gcnew PropertyDescriptorCollection(propArray);\r
  52         }\r
  53 \r
  54         bool RayConverter::CanConvertTo(ITypeDescriptorContext^ context, Type^ destinationType)\r
  55         {\r
  56                 if( destinationType == String::typeid || destinationType == InstanceDescriptor::typeid )\r
  57                         return true;\r
  58                 else\r
  59                         return ExpandableObjectConverter::CanConvertTo(context, destinationType);\r
  60         }\r
  61 \r
  62         bool RayConverter::CanConvertFrom(ITypeDescriptorContext^ context, Type^ sourceType)\r
  63         {\r
  64                 if( sourceType == String::typeid )\r
  65                         return true;\r
  66                 else\r
  67                         return ExpandableObjectConverter::CanConvertFrom(context, sourceType);\r
  68         }\r
  69 \r
  70         Object^ RayConverter::ConvertTo(ITypeDescriptorContext^ context, CultureInfo^ culture, Object^ value, Type^ destinationType)\r
  71         {\r
  72                 if( destinationType == nullptr )\r
  73                         throw gcnew ArgumentNullException( "destinationType" );\r
  74 \r
  75                 if( culture == nullptr )\r
  76                         culture = CultureInfo::CurrentCulture;\r
  77 \r
  78                 Ray^ ray = dynamic_cast<Ray^>( value );\r
  79 \r
  80                 if( destinationType == String::typeid && ray != nullptr )\r
  81                 {\r
  82                         String^ separator = culture->TextInfo->ListSeparator + " ";\r
  83                         TypeConverter^ converter = TypeDescriptor::GetConverter(Vector3::typeid);\r
  84                         array<String^>^ stringArray = gcnew array<String^>( 2 );\r
  85 \r
  86                         stringArray[0] = converter->ConvertToString( context, culture, ray->Position );\r
  87                         stringArray[1] = converter->ConvertToString( context, culture, ray->Direction );\r
  88 \r
  89                         return String::Join( separator, stringArray );\r
  90                 }\r
  91                 else if( destinationType == InstanceDescriptor::typeid && ray != nullptr )\r
  92                 {\r
  93                         ConstructorInfo^ info = (Ray::typeid)->GetConstructor( gcnew array<Type^> { Vector3::typeid, Vector3::typeid } );\r
  94                         if( info != nullptr )\r
  95                                 return gcnew InstanceDescriptor( info, gcnew array<Object^> { ray->Position, ray->Direction } );\r
  96                 }\r
  97 \r
  98                 return ExpandableObjectConverter::ConvertTo(context, culture, value, destinationType);\r
  99         }\r
 100 \r
 101         Object^ RayConverter::ConvertFrom(ITypeDescriptorContext^ context, CultureInfo^ culture, Object^ value)\r
 102         {\r
 103                 if( culture == nullptr )\r
 104                         culture = CultureInfo::CurrentCulture;\r
 105 \r
 106                 String^ string = dynamic_cast<String^>( value );\r
 107 \r
 108                 if( string != nullptr )\r
 109                 {\r
 110                         string = string->Trim();\r
 111                         TypeConverter^ converter = TypeDescriptor::GetConverter(Vector3::typeid);\r
 112                         array<String^>^ stringArray = string->Split( culture->TextInfo->ListSeparator[0] );\r
 113 \r
 114                         if( stringArray->Length != 2 )\r
 115                                 throw gcnew ArgumentException("Invalid ray format.");\r
 116 \r
 117                         Vector3 Position = safe_cast<Vector3>( converter->ConvertFromString( context, culture, stringArray[0] ) );\r
 118                         Vector3 Direction = safe_cast<Vector3>( converter->ConvertFromString( context, culture, stringArray[1] ) );\r
 119 \r
 120                         return gcnew Ray(Position, Direction);\r
 121                 }\r
 122 \r
 123                 return ExpandableObjectConverter::ConvertFrom(context, culture, value);\r
 124         }\r
 125 \r
 126         bool RayConverter::GetCreateInstanceSupported(ITypeDescriptorContext^ context)\r
 127         {\r
 128                 SLIMDX_UNREFERENCED_PARAMETER(context);\r
 129 \r
 130                 return true;\r
 131         }\r
 132 \r
 133         Object^ RayConverter::CreateInstance(ITypeDescriptorContext^ context, IDictionary^ propertyValues)\r
 134         {\r
 135                 SLIMDX_UNREFERENCED_PARAMETER(context);\r
 136 \r
 137                 if( propertyValues == nullptr )\r
 138                         throw gcnew ArgumentNullException( "propertyValues" );\r
 139 \r
 140                 return gcnew Ray( safe_cast<Vector3>( propertyValues["Position"] ), safe_cast<Vector3>( propertyValues["Direction"] ) );\r
 141         }\r
 142 \r
 143         bool RayConverter::GetPropertiesSupported(ITypeDescriptorContext^)\r
 144         {\r
 145                 return true;\r
 146         }\r
 147 \r
 148         PropertyDescriptorCollection^ RayConverter::GetProperties(ITypeDescriptorContext^, Object^, array<Attribute^>^)\r
 149         {\r
 150                 return m_Properties;\r
 151         }\r
 152 }\r
 153 }