internal CremaAttributeCollection(InternalTableBase table)
{
this.table = table;
this.columns = table.Columns;
this.itemList = table.AttributeList;
this.columns.CollectionChanged += Columns_CollectionChanged;
}
protected InternalRowBase(InternalTableBase table, DataRowBuilder builder)
: base(builder)
{
this.table = table;
this.table.RowChanged += Table_RowChanged;
this.table.RowDeleted += Table_RowDeleted;
this[this.table.ColumnRelation] = this.table.GenerateRelationID(this);
}
public static void RemoveRelation(InternalSetBase dataSet, InternalTableBase parent, InternalTableBase table)
{
var relationName = InternalSetBase.GenerateRelationName(table);
if (dataSet != null)
{
dataSet.Relations.Remove(relationName);
}
}
public static void AddRelation(InternalSetBase dataSet, InternalTableBase parent, InternalTableBase table)
{
var relationName = InternalSetBase.GenerateRelationName(table);
if (dataSet != null)
{
dataSet.Relations.Add(relationName, parent.ColumnRelation, table.ParentRelation);
}
else
{
}
}
public void RefreshRelation(InternalTableBase table)
{
for (var i = 0; i < this.Relations.Count; i++)
{
var item = this.Relations[i];
if (item.ParentTable == table || item.ChildTable == table)
{
if (item.ParentTable is InternalTableBase parentTable && item.ChildTable is InternalTableBase childTable)
{
item.RelationName = InternalSetBase.GenerateRelationName(childTable);
}
}
}
}
public static string GenerateRelationName(InternalTableBase table)
{
return(GenerateRelationName(table.Name, table.ParentNamespace));
}
private static DataView AsDataViewNormal(InternalTableBase dataTable)
{
return(dataTable.AsDataView());
}
private static DataView AsDataViewUnix(InternalTableBase dataTable)
{
return(new DataView(dataTable));
}
