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//
// TypeReference.cs: Some toolbox node types use this to store a reference to
// .NET types in GAC and non-GAC assemblies.
//
// Authors:
// Michael Hutchinson <m.j.hutchinson@gmail.com>
//
// Copyright (C) 2006 Michael Hutchinson
//
//
// This source code is licenced under The MIT License:
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.ComponentModel;
using MonoDevelop.Core;
using MonoDevelop.Core.Serialization;
namespace MonoDevelop.DesignerSupport.Toolbox
{
[Serializable]
[TypeConverter (typeof (TypeReferenceTypeConverter))]
public class TypeReference
{
//private serialisable fields
[ItemProperty ("location")]
string assemblyLocation = string.Empty;
[ItemProperty ("assembly")]
string assemblyName = string.Empty;
[ItemProperty ("name")]
string typeName = string.Empty;
//for deserialisation
public TypeReference ()
{
}
#region comparison overrides based on private fields
public override bool Equals (System.Object obj)
{
TypeReference other = obj as TypeReference;
return (other != null)
&& (this.typeName == other.typeName)
&& (this.assemblyName == other.assemblyName)
&& (this.assemblyLocation == other.assemblyLocation);
}
public override int GetHashCode ()
{
return (typeName + assemblyName + assemblyLocation).GetHashCode ();
}
public bool Equals (TypeReference other)
{
return (other != null)
&& (this.typeName == other.typeName)
&& (this.assemblyName == other.assemblyName)
&& (this.assemblyLocation == other.assemblyLocation);
}
#endregion
#region convenience constructors
public TypeReference (string typeName, string assemblyName)
{
this.typeName = typeName;
this.assemblyName = assemblyName;
}
public TypeReference (Type type)
: this (type.FullName, type.Assembly.FullName)
{
if (!type.Assembly.GlobalAssemblyCache)
assemblyLocation = type.Assembly.Location;
}
public TypeReference (string typeName, string assemblyName, string assemblyLocation)
: this (typeName, assemblyName)
{
this.assemblyLocation = assemblyLocation;
}
#endregion
#region property accessors for the private fields
[LocalizedCategory ("Misc")]
[LocalizedDisplayName ("Assembly Name")]
[LocalizedDescription ("The assembly name.")]
[ReadOnly (true)]
public string AssemblyName {
get { return assemblyName; }
set { assemblyName = value; }
}
[LocalizedCategory ("Misc")]
[LocalizedDisplayName ("Type Name")]
[LocalizedDescription ("The fully-qualified type name.")]
[ReadOnly (true)]
public string TypeName {
get { return typeName; }
set { typeName = value; }
}
[LocalizedDisplayName ("Assembly Location")]
[LocalizedDescription ("The location of the assembly.")]
[ReadOnly (true)]
public string AssemblyLocation {
get { return assemblyLocation; }
set { assemblyLocation = value; }
}
#endregion
//loads the type referenced in the TypeReference
//FIXME: three likely exceptions in here: need to handle them
public Type Load ()
{
System.Reflection.Assembly assem = null;
if (string.IsNullOrEmpty (assemblyLocation))
//GAC assembly
assem = System.Reflection.Assembly.Load (assemblyName);
else
//local assembly
assem = System.Reflection.Assembly.LoadFile (assemblyLocation);
Type type = assem.GetType (typeName, true);
return type;
}
public MonoDevelop.Projects.ProjectReference GetProjectReference ()
{
if (string.IsNullOrEmpty (assemblyLocation)) {
return MonoDevelop.Projects.ProjectReference.CreateAssemblyReference (assemblyName);
} else {
return MonoDevelop.Projects.ProjectReference.CreateAssemblyFileReference (assemblyLocation);
}
}
}
public class TypeReferenceTypeConverter : ExpandableObjectConverter
{
public override object ConvertTo (ITypeDescriptorContext context,
System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(string))
return ((TypeReference)value).TypeName;
else
return base.ConvertTo (context, culture, value, destinationType);
}
public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
{
return destinationType == typeof(string) || base.CanConvertTo (context, destinationType);
}
}
}
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