FindFieldByPropertyName() public méthode

public FindFieldByPropertyName ( string propertyName ) : Field
propertyName string
Résultat Field
 public static List<PropertyItem> GetCustomFieldPropertyItems(IEnumerable<ICustomFieldDefinition> definitions, Row row, string fieldPrefix)
 {
     var list = new List<PropertyItem>();
     foreach (var def in definitions)
     {
         string name = fieldPrefix + def.Name;
         var field = row.FindFieldByPropertyName(name) ?? row.FindField(name);
         list.Add(GetCustomFieldPropertyItem(def, field));
     }
     return list;
 }
        public bool ActivateFor(Row row)
        {
            if (ReferenceEquals(null, Target))
                return false;

            attr = Target.GetAttribute<ImageUploadEditorAttribute>();
            if (attr == null || attr.DisableDefaultBehavior || attr.EditorType != "ImageUpload")
                return false;

            if (!(Target is StringField))
                throw new ArgumentException(String.Format(
                    "Field '{0}' on row type '{1}' has a UploadEditor attribute but it is not a String field!",
                        Target.PropertyName ?? Target.Name, row.GetType().FullName));

            if (!(row is IIdRow))
                throw new ArgumentException(String.Format(
                    "Field '{0}' on row type '{1}' has a UploadEditor attribute but Row type doesn't implement IIdRow!",
                        Target.PropertyName ?? Target.Name, row.GetType().FullName));

            if (!attr.OriginalNameProperty.IsEmptyOrNull())
            {
                var originalNameField = row.FindFieldByPropertyName(attr.OriginalNameProperty) ??
                    row.FindField(attr.OriginalNameProperty);

                if (ReferenceEquals(null, originalNameField))
                    throw new ArgumentException(String.Format(
                        "Field '{0}' on row type '{1}' has a UploadEditor attribute but " +
                        "a field with OriginalNameProperty '{2}' is not found!",
                            Target.PropertyName ?? Target.Name, 
                            row.GetType().FullName,
                            attr.OriginalNameProperty));

                this.originalNameField = (StringField)originalNameField;
            }

            var format = attr.FilenameFormat;

            if (format == null)
            {
                format = row.GetType().Name;
                if (format.EndsWith("Row"))
                    format = format.Substring(0, format.Length - 3);
                format += "/~";
            }

            this.fileNameFormat = format.Replace("~", SplittedFormat);
            this.replaceFields = ParseReplaceFields(fileNameFormat, row, Target);
            this.uploadHelper = new UploadHelper((attr.SubFolder.IsEmptyOrNull() ? "" : (attr.SubFolder + "/")) + (this.fileNameFormat));

            return true;
        }
        public bool ActivateFor(Row row)
        {
            var attrs = row.GetType().GetCustomAttributes<UpdatableExtensionAttribute>();

            if (attrs == null || !attrs.Any())
                return false;

            var sourceByExpression = row.GetFields().ToLookup(x =>
                BracketLocator.ReplaceBrackets(x.Expression.TrimToEmpty(), BracketRemoverDialect.Instance));

            this.infoList = attrs.Select(attr =>
            {
                var info = new RelationInfo();
                info.Attr = attr;

                var rowType = attr.RowType;
                if (rowType.GetIsAbstract() ||
                    !typeof(Row).IsAssignableFrom(rowType))
                {
                    throw new ArgumentException(String.Format(
                        "Row type '{1}' has an ExtensionRelation attribute " +
                        "but its specified extension row type '{0}' is not a valid row class!",
                            rowType.FullName,
                            row.GetType().FullName));
                }

                info.RowFactory = FastReflection.DelegateForConstructor<Row>(rowType);

                info.ListHandlerFactory = FastReflection.DelegateForConstructor<IListRequestProcessor>(
                    typeof(ListRequestHandler<>).MakeGenericType(rowType));

                info.SaveHandlerFactory = FastReflection.DelegateForConstructor<ISaveRequestProcessor>(
                    typeof(SaveRequestHandler<>).MakeGenericType(rowType));

                info.SaveRequestFactory = FastReflection.DelegateForConstructor<ISaveRequest>(
                    typeof(SaveRequest<>).MakeGenericType(rowType));

                info.DeleteHandlerFactory = FastReflection.DelegateForConstructor<IDeleteRequestProcessor>(
                    typeof(DeleteRequestHandler<>).MakeGenericType(rowType));

                var thisKey = attr.ThisKey;
                if (string.IsNullOrEmpty(thisKey))
                {
                    if (!(row is IIdRow))
                    {
                        throw new ArgumentException(String.Format(
                            "Row type '{0}' has an ExtensionRelation attribute " +
                            "but its ThisKey is not specified!",
                                row.GetType().FullName));
                    }

                    info.ThisKeyField = (Field)(((IIdRow)row).IdField);
                }
                else
                {
                    info.ThisKeyField = row.FindFieldByPropertyName(attr.ThisKey) ?? row.FindField(attr.ThisKey);
                    if (ReferenceEquals(info.ThisKeyField, null))
                        throw new ArgumentException(String.Format("Field '{0}' doesn't exist in row of type '{1}'." +
                            "This field is specified for an ExtensionRelation attribute",
                            attr.ThisKey,
                            row.GetType().FullName));
                }

                var ext = info.RowFactory();

                var otherKey = attr.OtherKey;
                if (string.IsNullOrEmpty(otherKey))
                {
                    info.OtherKeyField = ext.FindField(info.ThisKeyField.Name);

                    if (ReferenceEquals(info.OtherKeyField, null) && ext is IIdRow)
                        info.OtherKeyField = (Field)(((IIdRow)row).IdField);

                    if (ReferenceEquals(info.OtherKeyField, null))
                        throw new ArgumentException(String.Format(
                            "Row type '{1}' has an ExtensionRelation attribute " +
                            "but its OtherKey is not specified!",
                                row.GetType().FullName));
                }
                else
                {
                    info.OtherKeyField = ext.FindFieldByPropertyName(attr.OtherKey) ?? ext.FindField(attr.OtherKey);
                    if (ReferenceEquals(info.OtherKeyField, null))
                        throw new ArgumentException(String.Format("Field '{0}' doesn't exist in row of type '{1}'." +
                            "This field is specified for an ExtensionRelation attribute on '{2}'",
                            attr.OtherKey,
                            ext.GetType().FullName,
                            row.GetType().FullName));
                }

                if (!string.IsNullOrEmpty(attr.FilterField))
                {
                    info.FilterField = ext.FindFieldByPropertyName(attr.FilterField) ?? ext.FindField(attr.FilterField);
                    if (ReferenceEquals(info.FilterField, null))
                        throw new ArgumentException(String.Format("Field '{0}' doesn't exist in row of type '{1}'." +
                            "This field is specified as FilterField for an ExtensionRelation attribute on '{2}'",
                            attr.OtherKey,
                            ext.GetType().FullName,
                            row.GetType().FullName));

                    info.FilterValue = info.FilterField.ConvertValue(attr.FilterValue, CultureInfo.InvariantCulture);
                }

                if (!string.IsNullOrEmpty(attr.PresenceField))
                {
                    info.PresenceField = ext.FindFieldByPropertyName(attr.PresenceField) ?? ext.FindField(attr.PresenceField);
                    if (ReferenceEquals(info.PresenceField, null))
                        throw new ArgumentException(String.Format("Field '{0}' doesn't exist in row of type '{1}'." +
                            "This field is specified as PresenceField as an ExtensionRelation attribute.",
                            attr.PresenceField,
                            row.GetType().FullName));

                    info.PresenceValue = attr.PresenceValue;
                }

                var extFields = ext.GetFields();
                var alias = attr.Alias;
                var aliasPrefix = attr.Alias + "_";

                var joinByKey = new HashSet<string>(extFields.Joins.Keys, StringComparer.OrdinalIgnoreCase);

                Func<string, string> mapAlias = x =>
                {
                    if (x == "t0" || x == "T0")
                        return alias;

                    if (!joinByKey.Contains(x))
                        return x;

                    return aliasPrefix + x;
                };

                Func<string, string> mapExpression = x =>
                {
                    if (x == null)
                        return null;

                    return JoinAliasLocator.ReplaceAliases(x, mapAlias);
                };

                info.Mappings = new List<Tuple<Field, Field>>();
                foreach (var field in extFields)
                {
                    if (ReferenceEquals(info.OtherKeyField, field))
                        continue;

                    if (ReferenceEquals(info.FilterField, field))
                        continue;

                    var expression = field.Expression.TrimToEmpty();

                    if (string.IsNullOrEmpty(expression))
                        continue;

                    expression = mapExpression(expression);
                    expression = BracketLocator.ReplaceBrackets(expression, 
                        BracketRemoverDialect.Instance);

                    var match = sourceByExpression[expression].FirstOrDefault();
                    if (ReferenceEquals(null, match))
                        continue;

                    if (match.IsTableField())
                        continue;

                    if (ReferenceEquals(info.ThisKeyField, match))
                        continue;

                    if (field.GetType() != match.GetType())
                        throw new ArgumentException(String.Format(
                            "Row type '{0}' has an ExtensionRelation attribute to '{1}'." +
                            "Their '{2}' and '{3}' fields are matched but they have different types ({4} and {5})!",
                                row.GetType().FullName,
                                ext.GetType().FullName,
                                field.PropertyName ?? field.Name,
                                match.PropertyName ?? match.Name,
                                field.GetType().Name,
                                match.GetType().Name));

                    info.Mappings.Add(new Tuple<Field, Field>(match, field));
                }

                if (info.Mappings.Count == 0)
                    throw new ArgumentException(String.Format(
                        "Row type '{0}' has an ExtensionRelation attribute " +
                        "but no view fields could be matched to extension row '{1}'!",
                            row.GetType().FullName,
                            ext.GetType().FullName));

                return info;
            }).ToList();

            return true;
        }
        internal static Dictionary<string, Field> ParseReplaceFields(string fileNameFormat, Row row, Field target)
        {
            if (fileNameFormat.IndexOf('|') < 0)
                return null;

            var replaceFields = new Dictionary<string, Field>();

            int start = 0;
            while ((start = fileNameFormat.IndexOf('|', start)) >= 0)
            {
                var end = fileNameFormat.IndexOf('|', start + 1);
                if (end <= start + 1)
                    throw new ArgumentException(String.Format(
                        "Field '{0}' on row type '{1}' has a UploadEditor attribute " +
                        "with invalid format string '{2}'!",
                            target.PropertyName ?? target.Name,
                            row.GetType().FullName,
                            fileNameFormat));

                var fieldName = fileNameFormat.Substring(start + 1, end - start - 1);
                var actualName = fieldName;
                var colon = fieldName.IndexOf(":");
                if (colon >= 0)
                    actualName = fieldName.Substring(0, colon);

                var replaceField = row.FindFieldByPropertyName(actualName) ??
                    row.FindField(actualName);

                if (ReferenceEquals(null, replaceField))
                {
                    throw new ArgumentException(String.Format(
                        "Field '{0}' on row type '{1}' has a UploadEditor attribute that " +
                        "references field '{2}', but no such field is found!'",
                            target.PropertyName ?? target.Name,
                            row.GetType().FullName,
                            actualName));
                }

                replaceFields['|' + fieldName + '|'] = replaceField;

                start = end + 1;
            }

            return replaceFields;
        }