void IIdentifierCreationService.ValidateIdentifier(Activity activity, string identifier)
 {
     if (identifier == null)
     {
         throw new ArgumentNullException("identifier");
     }
     if (activity == null)
     {
         throw new ArgumentNullException("activity");
     }
     if (!activity.Name.ToLowerInvariant().Equals(identifier.ToLowerInvariant()))
     {
         if (this.Provider != null)
         {
             SupportedLanguages supportedLanguage = CompilerHelpers.GetSupportedLanguage(this.serviceProvider);
             if ((((supportedLanguage == SupportedLanguages.CSharp) && identifier.StartsWith("@", StringComparison.Ordinal)) || (((supportedLanguage == SupportedLanguages.VB) && identifier.StartsWith("[", StringComparison.Ordinal)) && identifier.EndsWith("]", StringComparison.Ordinal))) || !this.Provider.IsValidIdentifier(identifier))
             {
                 throw new Exception(SR.GetString("Error_InvalidLanguageIdentifier", new object[] { identifier }));
             }
         }
         StringDictionary  dictionary   = new StringDictionary();
         CompositeActivity rootActivity = Helpers.GetRootActivity(activity) as CompositeActivity;
         if (rootActivity != null)
         {
             foreach (string str in Helpers.GetIdentifiersInCompositeActivity(rootActivity))
             {
                 dictionary[str] = str;
             }
         }
         Type rootActivityType = this.GetRootActivityType(this.serviceProvider);
         if (rootActivityType != null)
         {
             foreach (MemberInfo info in rootActivityType.GetMembers(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance))
             {
                 Type c = null;
                 if (info is FieldInfo)
                 {
                     c = ((FieldInfo)info).FieldType;
                 }
                 if ((c == null) || !typeof(Activity).IsAssignableFrom(c))
                 {
                     dictionary[info.Name] = info.Name;
                 }
             }
         }
         if (dictionary.ContainsKey(identifier))
         {
             throw new ArgumentException(SR.GetString("DuplicateActivityIdentifier", new object[] { identifier }));
         }
     }
 }
        public override void SetValue(object component, object value)
        {
            Activity activity = component as Activity;

            if (activity != null)
            {
                IIdentifierCreationService service = activity.Site.GetService(typeof(IIdentifierCreationService)) as IIdentifierCreationService;
                if (service == null)
                {
                    throw new Exception(SR.GetString("General_MissingService", new object[] { typeof(IIdentifierCreationService).FullName }));
                }
                string identifier = value as string;
                service.ValidateIdentifier(activity, identifier);
                bool ignoreCase      = CompilerHelpers.GetSupportedLanguage(activity.Site) == SupportedLanguages.VB;
                Type dataSourceClass = Helpers.GetDataSourceClass(Helpers.GetRootActivity(activity), activity.Site);
                if ((dataSourceClass != null) && (ActivityBindPropertyDescriptor.FindMatchingMember(identifier, dataSourceClass, ignoreCase) != null))
                {
                    throw new ArgumentException(SR.GetString("Error_ActivityNameExist", new object[] { identifier }));
                }
                IMemberCreationService service2 = activity.Site.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
                if (service2 == null)
                {
                    throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IMemberCreationService).FullName }));
                }
                IDesignerHost host = activity.Site.GetService(typeof(IDesignerHost)) as IDesignerHost;
                if (host == null)
                {
                    throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IDesignerHost).FullName }));
                }
                string newClassName = identifier;
                int    num          = host.RootComponentClassName.LastIndexOf('.');
                if (num > 0)
                {
                    newClassName = host.RootComponentClassName.Substring(0, num + 1) + identifier;
                }
                service2.UpdateTypeName(((Activity)host.RootComponent).GetValue(WorkflowMarkupSerializer.XClassProperty) as string, newClassName);
                ((Activity)host.RootComponent).SetValue(WorkflowMarkupSerializer.XClassProperty, newClassName);
                base.SetValue(component, value);
                DesignerHelpers.UpdateSiteName((Activity)host.RootComponent, identifier);
            }
        }
 internal static bool CreateField(ITypeDescriptorContext context, ActivityBind activityBind, bool throwOnError)
 {
     if (!string.IsNullOrEmpty(activityBind.Path))
     {
         Type toType = PropertyDescriptorUtils.GetBaseType(context.PropertyDescriptor, context.Instance, context);
         Activity component = PropertyDescriptorUtils.GetComponent(context) as Activity;
         if ((component != null) && (toType != null))
         {
             component = Helpers.ParseActivityForBind(component, activityBind.Name);
             if (component == Helpers.GetRootActivity(component))
             {
                 bool ignoreCase = CompilerHelpers.GetSupportedLanguage(context) == SupportedLanguages.VB;
                 Type dataSourceClass = Helpers.GetDataSourceClass(component, context);
                 if (dataSourceClass != null)
                 {
                     string path = activityBind.Path;
                     int length = path.IndexOfAny(new char[] { '.', '/', '[' });
                     if (length != -1)
                     {
                         path = path.Substring(0, length);
                     }
                     MemberInfo info = FindMatchingMember(path, dataSourceClass, ignoreCase);
                     if (info != null)
                     {
                         Type fromType = null;
                         bool isPrivate = false;
                         if (info is FieldInfo)
                         {
                             isPrivate = ((FieldInfo) info).IsPrivate;
                             fromType = ((FieldInfo) info).FieldType;
                         }
                         else if (info is PropertyInfo)
                         {
                             MethodInfo getMethod = ((PropertyInfo) info).GetGetMethod();
                             MethodInfo setMethod = ((PropertyInfo) info).GetSetMethod();
                             isPrivate = ((getMethod != null) && getMethod.IsPrivate) || ((setMethod != null) && setMethod.IsPrivate);
                         }
                         else if (info is MethodInfo)
                         {
                             isPrivate = ((MethodInfo) info).IsPrivate;
                         }
                         if (length != -1)
                         {
                             PathWalker walker = new PathWalker();
                             PathMemberInfoEventArgs finalEventArgs = null;
                             walker.MemberFound = (EventHandler<PathMemberInfoEventArgs>) Delegate.Combine(walker.MemberFound, delegate (object sender, PathMemberInfoEventArgs eventArgs) {
                                 finalEventArgs = eventArgs;
                             });
                             if (!walker.TryWalkPropertyPath(dataSourceClass, activityBind.Path))
                             {
                                 if (throwOnError)
                                 {
                                     throw new InvalidOperationException(SR.GetString("Error_MemberWithSameNameExists", new object[] { activityBind.Path, dataSourceClass.FullName }));
                                 }
                                 return false;
                             }
                             fromType = BindHelpers.GetMemberType(finalEventArgs.MemberInfo);
                         }
                         if (((info.DeclaringType == dataSourceClass) || !isPrivate) && ((info is FieldInfo) && TypeProvider.IsAssignable(toType, fromType)))
                         {
                             return true;
                         }
                         if (throwOnError)
                         {
                             throw new InvalidOperationException(SR.GetString("Error_MemberWithSameNameExists", new object[] { activityBind.Path, dataSourceClass.FullName }));
                         }
                         return false;
                     }
                     Activity activity2 = null;
                     if (string.Compare(component.Name, path, ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                     {
                         activity2 = component;
                     }
                     else if ((component is CompositeActivity) && (component is CompositeActivity))
                     {
                         foreach (Activity activity3 in Helpers.GetAllNestedActivities(component as CompositeActivity))
                         {
                             if (string.Compare(activity3.Name, path, ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                             {
                                 activity2 = activity3;
                             }
                         }
                     }
                     if (activity2 != null)
                     {
                         if (TypeProvider.IsAssignable(toType, activity2.GetType()))
                         {
                             return true;
                         }
                         if (throwOnError)
                         {
                             throw new InvalidOperationException(SR.GetString("Error_MemberWithSameNameExists", new object[] { activityBind.Path, dataSourceClass.FullName }));
                         }
                         return false;
                     }
                     IMemberCreationService service = context.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
                     if (service != null)
                     {
                         IDesignerHost host = context.GetService(typeof(IDesignerHost)) as IDesignerHost;
                         if (host != null)
                         {
                             service.CreateField(host.RootComponentClassName, activityBind.Path, toType, null, MemberAttributes.Public, null, false);
                             return true;
                         }
                         if (throwOnError)
                         {
                             throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IDesignerHost).FullName }));
                         }
                     }
                     else if (throwOnError)
                     {
                         throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IMemberCreationService).FullName }));
                     }
                 }
             }
         }
         else
         {
             if ((component == null) && throwOnError)
             {
                 throw new InvalidOperationException(SR.GetString("Error_InvalidActivityIdentifier", new object[] { activityBind.Name }));
             }
             if ((toType == null) && throwOnError)
             {
                 throw new InvalidOperationException(SR.GetString("Error_PropertyTypeNotDefined", new object[] { context.PropertyDescriptor.Name, typeof(ActivityBind).Name, typeof(IDynamicPropertyTypeProvider).Name }));
             }
         }
     }
     return false;
 }
Exemplo n.º 4
0
        public override void GenerateCode(CodeGenerationManager manager, object obj)
        {
            WebServiceInputActivity webserviceInput = obj as WebServiceInputActivity;

            if (manager == null)
            {
                throw new ArgumentNullException("manager");
            }

            if (obj == null)
            {
                throw new ArgumentNullException("obj");
            }

            if (webserviceInput == null)
            {
                return;
            }

            ITypeProvider typeProvider = manager.GetService(typeof(ITypeProvider)) as ITypeProvider;

            if (typeProvider == null)
            {
                throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(ITypeProvider).FullName));
            }

            CodeNamespaceCollection codeNamespaces = manager.Context[typeof(CodeNamespaceCollection)] as CodeNamespaceCollection;

            if (codeNamespaces == null)
            {
                throw new InvalidOperationException(SR.GetString(SR.Error_ContextStackItemMissing, typeof(CodeNamespaceCollection).Name));
            }

            CodeTypeDeclaration webServiceClass = CreateOrGetServiceDeclaration(Helpers.GetRootActivity(webserviceInput), codeNamespaces);

            Debug.Assert(webserviceInput.InterfaceType != null, "Interface type should not be null");

            if (webserviceInput.InterfaceType != null)
            {
                bool       memberExists = false;
                MethodInfo methodInfo   = Helpers.GetInterfaceMethod(webserviceInput.InterfaceType, webserviceInput.MethodName);

                //Check to see if a method with the same name already exists (the same activity may be used
                // in multiple places).
                SupportedLanguages language = CompilerHelpers.GetSupportedLanguage(manager);
                foreach (CodeTypeMember member in webServiceClass.Members)
                {
                    //
                    if (member is CodeMemberMethod && String.Compare(member.Name, methodInfo.Name, language == SupportedLanguages.CSharp ? StringComparison.InvariantCulture : StringComparison.InvariantCultureIgnoreCase) == 0)
                    {
                        memberExists = true;
                    }
                }

                if (!memberExists)
                {
                    webServiceClass.Members.Add(this.GetWebServiceMethodDeclaraion(methodInfo, webserviceInput.IsActivating, language));
                }
            }
            base.GenerateCode(manager, obj);
            return;
        }
        void IIdentifierCreationService.ValidateIdentifier(Activity activity, string identifier)
        {
            if (identifier == null)
            {
                throw new ArgumentNullException("identifier");
            }
            if (activity == null)
            {
                throw new ArgumentNullException("activity");
            }

            if (activity.Name.ToLowerInvariant().Equals(identifier.ToLowerInvariant()))
            {
                return;
            }

            if (this.Provider != null)
            {
                SupportedLanguages language = CompilerHelpers.GetSupportedLanguage(this.serviceProvider);
                if (language == SupportedLanguages.CSharp && identifier.StartsWith("@", StringComparison.Ordinal) ||
                    language == SupportedLanguages.VB && identifier.StartsWith("[", StringComparison.Ordinal) && identifier.EndsWith("]", StringComparison.Ordinal) ||
                    !this.Provider.IsValidIdentifier(identifier))
                {
                    throw new Exception(SR.GetString(SR.Error_InvalidLanguageIdentifier, identifier));
                }
            }

            StringDictionary  identifiers  = new StringDictionary();
            CompositeActivity rootActivity = Helpers.GetRootActivity(activity) as CompositeActivity;

            if (rootActivity != null)
            {
                foreach (string existingIdentifier in Helpers.GetIdentifiersInCompositeActivity(rootActivity))
                {
                    identifiers[existingIdentifier] = existingIdentifier;
                }
            }

            Type customActivityType = GetRootActivityType(this.serviceProvider);

            if (customActivityType != null)
            {
                foreach (MemberInfo member in customActivityType.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance))
                {
                    Type memberType = null;
                    if (member is FieldInfo)
                    {
                        memberType = ((FieldInfo)member).FieldType;
                    }

                    if (memberType == null || !typeof(Activity).IsAssignableFrom(memberType))
                    {
                        identifiers[member.Name] = member.Name;
                    }
                }
            }

            if (identifiers.ContainsKey(identifier))
            {
                throw new ArgumentException(SR.GetString(SR.DuplicateActivityIdentifier, identifier));
            }
        }
        public override void SetValue(object component, object value)
        {
            Activity activity = component as Activity;

            if (activity != null)
            {
                // validate the identifier
                IIdentifierCreationService identifierCreationService = activity.Site.GetService(typeof(IIdentifierCreationService)) as IIdentifierCreationService;
                if (identifierCreationService == null)
                {
                    throw new Exception(SR.GetString(SR.General_MissingService, typeof(IIdentifierCreationService).FullName));
                }

                string name = value as string;
                identifierCreationService.ValidateIdentifier(activity, name);

                bool isVB         = (CompilerHelpers.GetSupportedLanguage(activity.Site) == SupportedLanguages.VB);
                Type designedType = Helpers.GetDataSourceClass(Helpers.GetRootActivity(activity), activity.Site);
                if (designedType != null)
                {
                    MemberInfo matchingMember = ActivityBindPropertyDescriptor.FindMatchingMember(name, designedType, isVB);
                    if (matchingMember != null)
                    {
                        throw new ArgumentException(SR.GetString(SR.Error_ActivityNameExist, name));
                    }
                }
                IMemberCreationService memberCreationService = activity.Site.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
                if (memberCreationService == null)
                {
                    throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IMemberCreationService).FullName));
                }

                IDesignerHost host = activity.Site.GetService(typeof(IDesignerHost)) as IDesignerHost;
                if (host == null)
                {
                    throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IDesignerHost).FullName));
                }

                // We need to update the activityType's name before trying to update the type because
                // updating the type causes a flush, which access the custom activity's properties, and
                // doing so requires the new type name
                string newClassName = name;
                int    indexOfDot   = host.RootComponentClassName.LastIndexOf('.');
                if (indexOfDot > 0)
                {
                    newClassName = host.RootComponentClassName.Substring(0, indexOfDot + 1) + name;
                }

                // IMPORTANT: You must update the class name in code before renaming the site, since
                // VS's OnComponentRename updates the RootComponentClassName, so the flush code called
                // in our OnComponentRename tries to access the new class for information.
                memberCreationService.UpdateTypeName(((Activity)host.RootComponent).GetValue(WorkflowMarkupSerializer.XClassProperty) as string, newClassName);

                //((Activity)host.RootComponent).Name = name;
                ((Activity)host.RootComponent).SetValue(WorkflowMarkupSerializer.XClassProperty, newClassName);
                base.SetValue(component, value);

                // Update the site name so the component name shows up correctly in the designer
                DesignerHelpers.UpdateSiteName((Activity)host.RootComponent, name);
            }
        }
        internal static bool CreateField(ITypeDescriptorContext context, ActivityBind activityBind, bool throwOnError)
        {
            //Check if the activity is root activity and has valid design time type
            if (!String.IsNullOrEmpty(activityBind.Path))
            {
                Type     boundType = PropertyDescriptorUtils.GetBaseType(context.PropertyDescriptor, context.Instance, context);
                Activity activity  = PropertyDescriptorUtils.GetComponent(context) as Activity;
                if (activity != null && boundType != null)
                {
                    activity = Helpers.ParseActivityForBind(activity, activityBind.Name);
                    if (activity == Helpers.GetRootActivity(activity))
                    {
                        bool isVB         = (CompilerHelpers.GetSupportedLanguage(context) == SupportedLanguages.VB);
                        Type designedType = Helpers.GetDataSourceClass(activity, context);
                        if (designedType != null)
                        {
                            //field path could be nested too.
                            //need to find field only with the name up to the first dot (CimplexTypeField in the example below)
                            //and the right type (that would be tricky if the field doesnt exist yet)
                            //example: CimplexTypeField.myIDictionary_int_string[10].someOtherGood2

                            string fieldName  = activityBind.Path;
                            int    indexOfDot = fieldName.IndexOfAny(new char[] { '.', '/', '[' });
                            if (indexOfDot != -1)
                            {
                                fieldName = fieldName.Substring(0, indexOfDot); //path is a nested field access
                            }
                            MemberInfo matchingMember = ActivityBindPropertyDescriptor.FindMatchingMember(fieldName, designedType, isVB);
                            if (matchingMember != null)
                            {
                                Type memberType = null;
                                bool isPrivate  = false;
                                if (matchingMember is FieldInfo)
                                {
                                    isPrivate  = ((FieldInfo)matchingMember).IsPrivate;
                                    memberType = ((FieldInfo)matchingMember).FieldType;
                                }
                                else if (matchingMember is PropertyInfo)
                                {
                                    MethodInfo getMethod = ((PropertyInfo)matchingMember).GetGetMethod();
                                    MethodInfo setMethod = ((PropertyInfo)matchingMember).GetSetMethod();
                                    isPrivate = ((getMethod != null && getMethod.IsPrivate) || (setMethod != null && setMethod.IsPrivate));
                                }
                                else if (matchingMember is MethodInfo)
                                {
                                    isPrivate = ((MethodInfo)matchingMember).IsPrivate;
                                }

                                if (indexOfDot != -1)
                                { //need to find the type of the member the path references (and if the path is valid at all)
                                    PathWalker pathWalker = new PathWalker();
                                    PathMemberInfoEventArgs finalEventArgs = null;
                                    pathWalker.MemberFound += delegate(object sender, PathMemberInfoEventArgs eventArgs)
                                    { finalEventArgs = eventArgs; };

                                    if (pathWalker.TryWalkPropertyPath(designedType, activityBind.Path))
                                    {
                                        //successfully walked the entire path
                                        memberType = BindHelpers.GetMemberType(finalEventArgs.MemberInfo);
                                    }
                                    else
                                    {
                                        //the path is invalid
                                        if (throwOnError)
                                        {
                                            throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
                                        }

                                        return(false);
                                    }
                                }

                                if ((matchingMember.DeclaringType == designedType || !isPrivate) &&
                                    matchingMember is FieldInfo &&
                                    TypeProvider.IsAssignable(boundType, memberType))
                                {
                                    return(true);
                                }
                                else
                                {
                                    if (throwOnError)
                                    {
                                        throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
                                    }
                                    return(false);
                                }
                            }
                            else
                            {
                                // Find out if the name conflicts with an existing activity that has not be flushed in to the
                                // code beside.  An activity bind can bind to this field only if the type of the property
                                // is the assignable from the activity type.
                                Activity matchingActivity = null;
                                if (string.Compare(activity.Name, fieldName, isVB ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                                {
                                    matchingActivity = activity;
                                }
                                else if (activity is CompositeActivity)
                                {
                                    if (activity is CompositeActivity)
                                    {
                                        foreach (Activity existingActivity in Helpers.GetAllNestedActivities(activity as CompositeActivity))
                                        {
                                            if (string.Compare(existingActivity.Name, fieldName, isVB ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                                            {
                                                matchingActivity = existingActivity;
                                            }
                                        }
                                    }
                                }

                                if (matchingActivity != null)
                                {
                                    if (TypeProvider.IsAssignable(boundType, matchingActivity.GetType()))
                                    {
                                        return(true);
                                    }
                                    else
                                    {
                                        if (throwOnError)
                                        {
                                            throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
                                        }
                                        return(false);
                                    }
                                }
                            }

                            IMemberCreationService memberCreationService = context.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
                            if (memberCreationService == null)
                            {
                                if (throwOnError)
                                {
                                    throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IMemberCreationService).FullName));
                                }
                            }
                            else
                            {
                                IDesignerHost designerHost = context.GetService(typeof(IDesignerHost)) as IDesignerHost;
                                if (designerHost == null)
                                {
                                    if (throwOnError)
                                    {
                                        throw new InvalidOperationException(SR.GetString("General_MissingService", typeof(IDesignerHost).FullName));
                                    }
                                }
                                else
                                {
                                    memberCreationService.CreateField(designerHost.RootComponentClassName, activityBind.Path, boundType, null, MemberAttributes.Public, null, false);
                                    return(true);
                                }
                            }
                        }
                    }
                }
                else
                {
                    if (activity == null && throwOnError)
                    {
                        throw new InvalidOperationException(SR.GetString(SR.Error_InvalidActivityIdentifier, activityBind.Name));
                    }

                    if (boundType == null && throwOnError)
                    {
                        throw new InvalidOperationException(SR.GetString(SR.Error_PropertyTypeNotDefined, context.PropertyDescriptor.Name, typeof(ActivityBind).Name, typeof(IDynamicPropertyTypeProvider).Name));
                    }
                }
            }

            return(false);
        }