Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Serializer / ActivityTypeCodeDomSerializer.cs / 1305376 / ActivityTypeCodeDomSerializer.cs
namespace System.Workflow.ComponentModel.Serialization { using System; using System.CodeDom; using System.ComponentModel; using System.ComponentModel.Design; using System.ComponentModel.Design.Serialization; using System.Collections; using System.Resources; using System.Workflow.ComponentModel.Design; using System.Collections.Generic; using Microsoft.CSharp; using System.Workflow.ComponentModel; using System.Workflow.ComponentModel.Compiler; using System.CodeDom.Compiler; using System.IO; using System.Reflection; using System.Diagnostics; #region Class ActivityTypeCodeDomSerializer public class ActivityTypeCodeDomSerializer : TypeCodeDomSerializer { private static object _initMethodKey = new object(); private const string _initMethodName = "InitializeComponent"; protected override CodeMemberMethod GetInitializeMethod(IDesignerSerializationManager manager, CodeTypeDeclaration typeDecl, object value) { if (manager == null) throw new ArgumentNullException("manager"); if (typeDecl == null) throw new ArgumentNullException("typeDecl"); if (value == null) throw new ArgumentNullException("value"); CodeMemberMethod method = typeDecl.UserData[_initMethodKey] as CodeMemberMethod; if (method == null) { method = new CodeMemberMethod(); method.Name = _initMethodName; method.Attributes = MemberAttributes.Private; typeDecl.UserData[_initMethodKey] = method; // Now create a ctor that calls this method. CodeConstructor ctor = new CodeConstructor(); ctor.Attributes = MemberAttributes.Public; ctor.Statements.Add(new CodeMethodInvokeExpression(new CodeThisReferenceExpression(), _initMethodName)); typeDecl.Members.Add(ctor); } return method; } protected override CodeMemberMethod[] GetInitializeMethods(IDesignerSerializationManager manager, CodeTypeDeclaration typeDecl) { if (manager == null) throw new ArgumentNullException("manager"); if (typeDecl == null) throw new ArgumentNullException("typeDecl"); foreach (CodeTypeMember member in typeDecl.Members) { CodeMemberMethod method = member as CodeMemberMethod; // Note: the order is important here for performance! // method.Parameters causes OnMethodPopulateParameters callback and therefore it is much more // expensive than method.Name.Equals if (method != null && method.Name.Equals(_initMethodName) && method.Parameters.Count == 0) { return new CodeMemberMethod[] { method }; } } return new CodeMemberMethod[0]; } public override CodeTypeDeclaration Serialize(IDesignerSerializationManager manager, object root, ICollection members) { if (manager == null) throw new ArgumentNullException("manager"); if (root == null) throw new ArgumentNullException("root"); Activity rootActivity = root as Activity; if( rootActivity == null) throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(Activity).FullName), "root"); CodeTypeDeclaration codeTypeDeclaration = base.Serialize(manager, root, members); // Emit CanModifyActivities properties CodeMemberMethod method = codeTypeDeclaration.UserData[_initMethodKey] as CodeMemberMethod; if (method != null && rootActivity is CompositeActivity) { CodeStatement[] codeStatements = new CodeStatement[method.Statements.Count]; method.Statements.CopyTo(codeStatements, 0); method.Statements.Clear(); CodeAssignStatement beginInit = new CodeAssignStatement(); beginInit.Left = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "CanModifyActivities"); beginInit.Right = new CodePrimitiveExpression(true); method.Statements.Add(beginInit); foreach (CodeStatement s in codeStatements) method.Statements.Add(s); CodeAssignStatement endInit = new CodeAssignStatement(); endInit.Left = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "CanModifyActivities"); endInit.Right = new CodePrimitiveExpression(false); method.Statements.Add(endInit); } foreach (CodeTypeMember member in codeTypeDeclaration.Members) { CodeMemberField field = member as CodeMemberField; if (field != null) { foreach(object objectActivity in members) { if(!(objectActivity is Activity)) throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(Activity).FullName), "members"); Activity activity = objectActivity as Activity; if (field.Name == manager.GetName(activity) && (int)activity.GetValue(ActivityMarkupSerializer.StartLineProperty) != -1 && rootActivity.GetValue(ActivityCodeDomSerializer.MarkupFileNameProperty) != null) { // generate line pragma for fields field.LinePragma = new CodeLinePragma((string)rootActivity.GetValue(ActivityCodeDomSerializer.MarkupFileNameProperty), Math.Max((int)activity.GetValue(ActivityMarkupSerializer.StartLineProperty), 1)); } } } } return codeTypeDeclaration; } public override object Deserialize(IDesignerSerializationManager manager, CodeTypeDeclaration declaration) { return base.Deserialize(manager, declaration); } } #endregion } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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