codedomdesignerserializationmanager.cs

c#源代码

// <autogenerated>
//     This code was generated by a tool.
//     Runtime Version: 1.0.3705.288
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </autogenerated>
//------------------------------------------------------------------------------

using ICSharpCode.Core.Services;
using System;
using System.CodeDom;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using System.Windows.Forms.Design;

namespace ICSharpCode.SharpDevelop.FormDesigner.Services
{
	/// <summary>
	/// CodeDom serialization service for designers
	/// </summary>
	/// <remarks>
	/// 	created by - Niv
	/// 	created on - 12/10/2002 03:02:27
	/// </remarks>
	public class CodeDomDesignerSerializetionManager : IDesignerSerializationManager, IServiceContainer
	{
		protected ContextStack context = null;
		protected Hashtable nameToObject = new Hashtable();
		protected Hashtable objectToName = new Hashtable();
		protected PropertyDescriptorCollection props = PropertyDescriptorCollection.Empty;
		protected ArrayList providers = new ArrayList();
		protected IDesignerHost host = null;
		private ServiceContainer services = null;

		/// <summary>
		/// TODO - add property description
		/// </summary>
		/// <remarks>
		/// Interface property from IDesignerSerializationManager
		/// 	- read only
		///
		/// </remarks>
		public virtual ContextStack Context {
			get { return context;}
		}

		/// <summary>
		/// TODO - add property description
		/// </summary>
		/// <remarks>
		/// Interface property from IDesignerSerializationManager
		/// 	- read only
		///
		/// </remarks>
		/// TODO ???????
		public virtual PropertyDescriptorCollection Properties {
			get {
				return props;
			}
		}

		/// <summary>
		/// Default constructor - initializes all fields to default values
		/// </summary>
		public CodeDomDesignerSerializetionManager(IDesignerHost myHost)
		{
			host = myHost;
			context = new ContextStack();
			services = new ServiceContainer(host);
			services.AddService(typeof(IDesignerSerializationManager), this);
			services.AddService(typeof(IServiceContainer), this);
		}
		
		/// <summary>
		/// TODO - add method description
		/// </summary>
		/// <remarks>
		/// Interface method from IDesignerSerializationManager
		///
		/// </remarks>
		/// <param name='instance'>TODO - add parameter description</param>
		/// <param name='name'>TODO - add parameter description</param>
		public virtual void SetName(object instance, string name)
		{
			//System.Console.WriteLine("Setting name {0} for {1}",name,instance);
			object oldName = objectToName[instance];
			if (name == oldName as string) {
				return;
			}
			object oldInstance = nameToObject[name];
			if ((oldInstance != null) & (oldInstance != instance)) {
				throw new Exception("An object with name already exists.");
			}
			if (oldName != null) {
				nameToObject.Remove(name);
			}
			objectToName[instance] = name;
			nameToObject[name] = instance;
			Component c = instance as Component;
			if (c != null && c.Site != null) {
				c.Site.Name = name;
			}
		}

		/// <summary>
		/// TODO - add method description
		/// </summary>
		/// <remarks>
		/// Interface method from IDesignerSerializationManager
		///
		/// </remarks>
		/// <param name='errorInformation'>TODO - add parameter description</param>
		public virtual void ReportError(object errorInformation)
		{
//			IUIService uiService = (IUIService)host.GetService(typeof(IUIService));
//			uiService.ShowError("Error : " + errorInformation.ToString());
		}
		
		/// <summary>
		/// TODO - add method description
		/// </summary>
		/// <remarks>
		/// Interface method from IDesignerSerializationManager
		///
		/// </remarks>
		/// <param name='provider'>TODO - add parameter description</param>
		public virtual void RemoveSerializationProvider(IDesignerSerializationProvider provider)
		{
			//System.Console.WriteLine("removing serilization provider {0}",provider);
			providers.Remove(provider);
		}

		/// <summary>
		/// TODO - add method description
		/// </summary>
		/// <remarks>
		/// Interface method from IDesignerSerializationManager
		///
		/// </remarks>
		/// <param name='typeName'>TODO - add parameter description</param>
		public virtual System.Type GetType(string typeName)
		{
			///TODO use a TypeRessoulotionService if available
			return host.GetType(typeName);
		}
		
		/*
		/// <summary>
		/// TODO - add method description
		/// </summary>
		/// <remarks>
		/// Interface method from IDesignerSerializationManager
		///
		/// </remarks>
		/// <param name='objectType'>TODO - add parameter description</param>
		/// <param name='serializerType'>TODO - add parameter description</param>
		/// 
		public virtual object GetSerializer(Type objectType, Type serializerType)
		{
			//System.Console.WriteLine("Looking for a serializer for {0}",objectType);
			if (objectType == null)
				return null;
			object serializer = null;
			foreach (IDesignerSerializationProvider provider in providers)
			{
				serializer = provider.GetSerializer(this,null,objectType, serializerType);
				if (serializer != null)
					return serializer;
			}
			AttributeCollection attributes = TypeDescriptor.GetAttributes(objectType);
			foreach(Attribute att in attributes)
			{
				DesignerSerializerAttribute serAtt = att as DesignerSerializerAttribute;
				if (serAtt != null)
				{
					if (serAtt.SerializerBaseTypeName.StartsWith( serializerType.FullName))
					{
						Type type = GetType(serAtt.SerializerTypeName);
						return Activator.CreateInstance(type);
					}
				}
			}
			return GetSerializer(objectType.BaseType,serializerType);
		}*/
		
		public virtual object GetSerializer(Type objectType, Type serializerType)
		{
			object serializer = GetSerializerFromType(objectType, serializerType);
			if (serializer != null) {
				return serializer;
			}
			return GetSerializerFromProvider(objectType, serializerType);
		}

		object GetSerializerFromType(Type objectType, Type serializerType)
		{
			if (objectType == null) {
				return null;
			}
			
			AttributeCollection attributes = TypeDescriptor.GetAttributes(objectType);
			foreach (Attribute att in attributes) {
				DesignerSerializerAttribute serAtt = att as DesignerSerializerAttribute;
				if (serAtt != null) {
					if (serAtt.SerializerBaseTypeName.StartsWith(serializerType.FullName)) {
						Type type = GetType(serAtt.SerializerTypeName);
						return LicenseManager.CreateWithContext(type, new DesigntimeLicenseContext()); //Activator.CreateInstance(type);
					}
				}
			}
			return GetSerializerFromType(objectType.BaseType,serializerType);
		}
		
		object GetSerializerFromProvider(Type objectType, Type serializerType)
		{
			if (objectType == null) {
				return null;
			}

			object serializer = null;
			foreach (IDesignerSerializationProvider provider in providers) {
				serializer = provider.GetSerializer(this,null,objectType, serializerType);
				if (serializer != null) {
					return serializer;
				}
			}
			return GetSerializerFromProvider(objectType.BaseType, serializerType);
		}
		
		/// <summary>
		/// TODO - add method description
		/// </summary>
		/// <remarks>
		/// Interface method from IDesignerSerializationManager
		///
		/// </remarks>
		/// <param name='objectType'>TODO - add parameter description</param>
		/// <param name='serializerType'>TODO - add parameter description</param>
		public virtual CodeDomSerializer GetRootSerializer(Type objectType)
		{
			if (objectType == null) {
				return null;
			}

			Type serializerType = typeof(CodeDomSerializer);
			AttributeCollection attributes = TypeDescriptor.GetAttributes(objectType);
			foreach (Attribute att in attributes) {
				RootDesignerSerializerAttribute serAtt = att as RootDesignerSerializerAttribute;

				if (serAtt != null) {
					if (serAtt.SerializerBaseTypeName.StartsWith(serializerType.FullName)) {