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); } }
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); }