private void ParseGroupByFieldList(string fieldList, int pos, bool allowRelation)
{
this.GroupByFields.Clear();
if (string.IsNullOrEmpty(fieldList))
{
return;
}
Match match;
do
{
match = GridGroupByExpression.groupByFieldParser.Match(fieldList.Substring(pos));
if (!match.Success)
{
throw new FormatException(string.Format("Cannot parse \"{0}\". Verify the correctness of the string.", (object)fieldList));
}
GridGroupByField groupByField = new GridGroupByField();
if (match.Groups["aggregate"].Success)
{
groupByField.SetAggregate(match.Groups["aggregate"].ToString());
}
groupByField.SortOrder = !match.Groups["sortDirection"].Success || string.Compare("DESC", match.Groups["sortDirection"].Value) != 0 ? RadSortOrder.Ascending : RadSortOrder.Descending;
if (!match.Groups["fieldName"].Success)
{
throw new FormatException("Could not parse field name. Please contact Telerik support");
}
groupByField.FieldName = match.Groups["fieldName"].ToString();
GridGroupByExpression.UpdateGroupByReferences(this.selectFields, groupByField);
this.groupByFields.Add(groupByField);
pos += match.Length;
}while (match.Groups["delimiter"].Success);
}
public static string UpdateFormatString(
string formatString,
bool doubleQuote,
bool forceChange)
{
string str = (string)null;
switch (GridGroupByField.ValidateFormatString(formatString))
{
case 0:
str = string.Format("'{0}'", (object)formatString);
break;
case 1:
str = doubleQuote || !forceChange?string.Format("'{0}'", (object)formatString) : string.Format("\"{0}\"", (object)formatString.Replace('"', '\''));
break;
case 2:
str = !doubleQuote || !forceChange?string.Format("\"{0}\"", (object)formatString) : string.Format("'{0}'", (object)formatString.Replace('\'', '"'));
break;
case 3:
str = !doubleQuote?string.Format("\"{0}\"", (object)formatString.Replace('"', '\'')) : string.Format("'{0}'", (object)formatString.Replace('\'', '"'));
break;
}
return(str);
}
public string ToSelectString(string defaultFormatString)
{
StringBuilder stringBuilder = new StringBuilder();
if (this.IsAggregate)
{
stringBuilder.AppendFormat("{0}([{1}])", (object)this.Aggregate.ToString().ToLower(), (object)this.FieldName);
}
else
{
stringBuilder.AppendFormat("[{0}]", (object)this.FieldName);
}
if (this.IsFieldAliasSet)
{
stringBuilder.AppendFormat(" as [{0}]", (object)this.FieldAlias);
}
string str = this.IsFormatStringSet ? this.formatString : defaultFormatString;
if (!string.IsNullOrEmpty(str) && string.Compare(str, GridGroupByField.DefaultFormatString) == 0)
{
str = (string)null;
}
if (!string.IsNullOrEmpty(str))
{
stringBuilder.AppendFormat(" format {0}", (object)GridGroupByField.UpdateFormatString(str, true, false));
}
return(stringBuilder.ToString());
}
private bool IsDuplicateEvent(
NotifyCollectionChangedEventArgs e,
GridGroupByFieldCollection otherCollection)
{
if (e.Action == NotifyCollectionChangedAction.ItemChanged)
{
GridGroupByField newItem = e.NewItems[0] as GridGroupByField;
if (otherCollection.Contains(newItem))
{
NotifyCollectionChangedEventArgs changedEventArgs = this.duplicateEventsList.Find((Predicate <NotifyCollectionChangedEventArgs>)(args =>
{
if (args.NewItems[0] == e.NewItems[0])
{
return(args.PropertyName == e.PropertyName);
}
return(false);
}));
if (changedEventArgs == null)
{
this.duplicateEventsList.Add(e);
return(true);
}
this.duplicateEventsList.Remove(changedEventArgs);
}
}
return(false);
}
public virtual string UpdateFormatString(bool doubleQuote, bool forceChange)
{
if (this.IsFormatStringSet)
{
this.formatString = GridGroupByField.UpdateFormatString(this.formatString, doubleQuote, forceChange);
}
return(this.formatString);
}
public void CopyFrom(GridGroupByField field)
{
this.fieldName = field.fieldName;
this.fieldAlias = field.fieldAlias;
this.aggregate = field.aggregate;
this.formatString = field.formatString;
this._headerText = field._headerText;
this.RelationName = field.RelationName;
this.SortOrder = field.SortOrder;
}
private static void UpdateFieldNameAndAliasReferences(
GridGroupByFieldCollection list,
GridGroupByField groupByField)
{
GridGroupByExpression.UpdateReference(list, groupByField);
GridGroupByField byName = list.FindByName(groupByField.FieldName);
if (byName != null && (byName.IsFieldAliasSet && groupByField.IsFieldAliasSet && byName.Aggregate == groupByField.Aggregate ^ string.Compare(byName.FieldAlias, groupByField.FieldAlias) == 0))
{
throw new FormatException("Same aggregates on same field should have same alias.");
}
}
private void UpdateGroupByFieldFromColumn(GridViewDataColumn column, GridGroupByField field)
{
string defaultFormatString = this.defaultFormatString;
if (string.IsNullOrEmpty(defaultFormatString) || defaultFormatString.IndexOf("{1") < 0)
{
defaultFormatString = this.defaultFormatString;
}
if (!field.IsFieldAliasSet && string.IsNullOrEmpty(column.HeaderText))
{
field.HeaderText = column.HeaderText;
}
field.FormatString = defaultFormatString;
}
public void CopyFrom(GridGroupByExpression expression)
{
this.SelectFields.Clear();
this.GroupByFields.Clear();
foreach (GridGroupByField selectField in (Collection <GridGroupByField>)expression.SelectFields)
{
GridGroupByField gridGroupByField = new GridGroupByField();
gridGroupByField.CopyFrom(selectField);
this.SelectFields.Add(gridGroupByField);
}
foreach (GridGroupByField groupByField in (Collection <GridGroupByField>)expression.GroupByFields)
{
GridGroupByField gridGroupByField = new GridGroupByField();
gridGroupByField.CopyFrom(groupByField);
this.GroupByFields.Add(gridGroupByField);
}
}
private static void UpdateGroupByReferences(
GridGroupByFieldCollection list,
GridGroupByField groupByField)
{
GridGroupByField gridGroupByField = list.Find(groupByField.FieldName);
if (gridGroupByField == null)
{
return;
}
groupByField.FieldName = gridGroupByField.FieldName;
if (!gridGroupByField.IsFieldAliasSet)
{
return;
}
groupByField.FieldAlias = gridGroupByField.FieldAlias;
}
private int ParseSelectFieldList(string fieldList, int pos)
{
this.clearSelectedFieldsSilently = true;
this.SelectFields.Clear();
this.clearSelectedFieldsSilently = false;
if (string.IsNullOrEmpty(fieldList))
{
return(-1);
}
Match match;
do
{
match = GridGroupByExpression.selectFieldParser.Match(fieldList.Substring(pos));
if (!match.Success)
{
throw new FormatException(string.Format("Cannot parse \"{0}\". Verify the correctness of the string.", (object)fieldList));
}
GridGroupByField groupByField = new GridGroupByField();
if (match.Groups["fieldAlias"].Success)
{
groupByField.FieldAlias = match.Groups["fieldAlias"].ToString();
}
if (match.Groups["aggregate"].Success)
{
groupByField.SetAggregate(match.Groups["aggregate"].ToString());
}
groupByField.FormatString = match.Groups["formatString"].Success ? match.Groups["formatString"].ToString() : (string)null;
if (!match.Groups["fieldName"].Success)
{
throw new FormatException("Could not parse field name. Please contact Telerik support");
}
groupByField.FieldName = match.Groups["fieldName"].ToString();
GridGroupByExpression.UpdateFieldNameAndAliasReferences(this.selectFields, groupByField);
this.selectFields.Add(groupByField);
pos += match.Length;
if (!match.Groups["delimiter"].Success)
{
throw new Exception("Delimiter (,) or Group By clause expected");
}
}while (match.Groups["delimiter"].Length == 1);
return(pos);
}
private static void UpdateReference(GridGroupByFieldCollection list, GridGroupByField ggbf)
{
GridGroupByField byAlias = list.FindByAlias(ggbf.FieldName);
if (byAlias == null)
{
return;
}
if (byAlias.IsAggregate && ggbf.IsAggregate)
{
throw new FormatException(string.Format("Cannot create aggregate of aggregate: {0}({1}({2}))", (object)byAlias.Aggregate, (object)ggbf.Aggregate, (object)byAlias.FieldName));
}
ggbf.FieldName = byAlias.FieldName;
if (!byAlias.IsAggregate)
{
return;
}
ggbf.Aggregate = byAlias.Aggregate;
}
public GridGroupByExpression(GridViewDataColumn column)
: this()
{
if (!column.AllowGroup || !column.IsDataBound)
{
throw new FormatException("Cannot group by this column.");
}
GridGroupByField field = new GridGroupByField();
GridViewDataColumn column1 = column;
if (column1 == null)
{
throw new FormatException("Invalid column type. Should be GridViewDataColumn or inheritor.");
}
field.FieldName = column1.Name;
field.FieldAlias = column1.HeaderText;
this.UpdateGroupByFieldFromColumn(column1, field);
this.SelectFields.Add(field);
this.GroupByFields.Add(field);
}
public virtual int ValidateFormatString()
{
return(GridGroupByField.ValidateFormatString(this.formatString));
}
