|
public FindFieldByPropertyName ( string propertyName ) : |
||
| propertyName | string | |
| return | ||
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;
}
