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

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