private SimpleReport Pivot(SimpleReport simpleReport, PivotType pivotType)
{
var crossTabHeaders = pivotType == null
? new ReportColumn[0]
: pivotType.GetCrosstabHeaders(simpleReport.Columns);
var groupByColumns = pivotType == null
? new ReportColumn[0]
: pivotType.GetGroupByColumns(simpleReport.Columns);
foreach (ReportColumn id in crossTabHeaders)
{
groupByColumns.Remove(id);
}
var normalColumns = new List <ReportColumn>();
var crossTabColumns = new List <ReportColumn>();
foreach (ReportColumn id in simpleReport.Columns)
{
Type table;
String column;
Schema.Resolve(id.Table, id.Column, out table, out column);
if (pivotType != null && pivotType.IsCrosstabValue(table, column))
{
crossTabColumns.Add(id);
}
else
{
normalColumns.Add(id);
}
}
if (crossTabColumns.Count == 0)
{
return(simpleReport);
}
return(new PivotReport
{
Columns = normalColumns,
GroupByColumns = new List <ReportColumn>(groupByColumns),
CrossTabHeaders = crossTabHeaders,
CrossTabValues = crossTabColumns
});
}
/// <summary>
/// Returns a Report for the given set of columns.
/// The columns are inspected to see which table has to be queried.
/// Also, a PivotReport will be returned if any columns from a Results table were
/// selected, and pivotResults is true.
/// </summary>
public Report GetReport(List <NodeData> columnInfos, PivotType pivotType)
{
// Get the common prefix, and the ancestor table it represents
Identifier commonPrefix = GetCommonPrefix(columnInfos);
Table table = MostManyTable;
int prefixLength = 0;
if (commonPrefix != null)
{
prefixLength = commonPrefix.Parts.Count;
for (int i = 0; i < prefixLength; i++)
{
table = table.Parent.ParentTable;
}
}
// Calculate the list of ReportColumns from the NodeData
var displayColumns = new List <ReportColumn>();
foreach (NodeData columnInfo in columnInfos)
{
Identifier identifier = columnInfo.ReportColumn.Column.RemovePrefix(prefixLength);
if (columnInfo.Results)
{
displayColumns.Add(new ReportColumn(table.ResultsClass, ToResultsIdentifier(identifier)));
}
else if (columnInfo.ResultsSummary)
{
displayColumns.Add(new ReportColumn(table.ResultsSummaryClass, ToResultsSummaryIdentifier(identifier)));
}
else
{
displayColumns.Add(new ReportColumn(table.PersistentClass, identifier));
}
}
SimpleReport simpleReport = new SimpleReport
{
Columns = displayColumns
};
return(Pivot(simpleReport, pivotType));
}
private bool IsEnabled(PivotType pivotType)
{
foreach (NodeData nodeData in _columns)
{
Type table;
String column;
_columnSet.ResolveColumn(nodeData, out table, out column);
if (pivotType.IsCrosstabValue(table, column))
{
return true;
}
}
return false;
}
private SimpleReport Pivot(SimpleReport simpleReport, PivotType pivotType)
{
var crossTabHeaders = pivotType == null
? new ReportColumn[0]
: pivotType.GetCrosstabHeaders(simpleReport.Columns);
var groupByColumns = pivotType == null
? new ReportColumn[0]
: pivotType.GetGroupByColumns(simpleReport.Columns);
foreach (ReportColumn id in crossTabHeaders)
{
groupByColumns.Remove(id);
}
var normalColumns = new List<ReportColumn>();
var crossTabColumns = new List<ReportColumn>();
foreach (ReportColumn id in simpleReport.Columns)
{
Type table;
String column;
Schema.Resolve(id.Table, id.Column, out table, out column);
if (pivotType != null && pivotType.IsCrosstabValue(table, column))
{
crossTabColumns.Add(id);
}
else
{
normalColumns.Add(id);
}
}
if (crossTabColumns.Count == 0)
{
return simpleReport;
}
return new PivotReport
{
Columns = normalColumns,
GroupByColumns = new List<ReportColumn>(groupByColumns),
CrossTabHeaders = crossTabHeaders,
CrossTabValues = crossTabColumns
};
}
/// <summary>
/// Returns a Report for the given set of columns.
/// The columns are inspected to see which table has to be queried.
/// Also, a PivotReport will be returned if any columns from a Results table were
/// selected, and pivotResults is true.
/// </summary>
public Report GetReport(List<NodeData> columnInfos, PivotType pivotType)
{
// Get the common prefix, and the ancestor table it represents
Identifier commonPrefix = GetCommonPrefix(columnInfos);
Table table = MostManyTable;
int prefixLength = 0;
if (commonPrefix != null)
{
prefixLength = commonPrefix.Parts.Count;
for (int i = 0; i < prefixLength; i++ )
{
table = table.Parent.ParentTable;
}
}
// Calculate the list of ReportColumns from the NodeData
var displayColumns = new List<ReportColumn>();
foreach(NodeData columnInfo in columnInfos)
{
Identifier identifier = columnInfo.ReportColumn.Column.RemovePrefix(prefixLength);
if (columnInfo.Results)
{
displayColumns.Add(new ReportColumn(table.ResultsClass, ToResultsIdentifier(identifier)));
}
else if (columnInfo.ResultsSummary)
{
displayColumns.Add(new ReportColumn(table.ResultsSummaryClass, ToResultsSummaryIdentifier(identifier)));
}
else
{
displayColumns.Add(new ReportColumn(table.PersistentClass, identifier));
}
}
SimpleReport simpleReport = new SimpleReport
{
Columns = displayColumns
};
return Pivot(simpleReport, pivotType);
}