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; }
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; }
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); }