// Handle parsing of function in final pass
override internal void FinalPass()
{
base.FinalPass();
if (this is Table)
{ // Grids don't have any data responsibilities
Table t = this as Table;
if (t.IsGrid)
{
return;
}
}
// DataRegions aren't allowed in PageHeader or PageFooter;
if (this.InPageHeaderOrFooter())
{
OwnerReport.rl.LogError(8, String.Format("The DataRegion '{0}' is not allowed in a PageHeader or PageFooter", this.Name == null? "unknown": Name.Nm));
}
ResolveNestedDataRegions();
if (_ParentDataRegion != null) // when nested we use the dataset of the parent
{
_DataSetDefn = _ParentDataRegion.DataSetDefn;
}
else if (_DataSetName != null)
{
if (OwnerReport.DataSetsDefn != null)
{
_DataSetDefn = (DataSetDefn)OwnerReport.DataSetsDefn.Items[_DataSetName];
}
if (_DataSetDefn == null)
{
OwnerReport.rl.LogError(8, String.Format("DataSetName '{0}' not specified in DataSets list.", _DataSetName));
}
}
else
{ // No name but maybe we can default to a single Dataset
if (_DataSetDefn == null && OwnerReport.DataSetsDefn != null &&
OwnerReport.DataSetsDefn.Items.Count == 1)
{
foreach (DataSetDefn d in OwnerReport.DataSetsDefn.Items.Values)
{
_DataSetDefn = d;
break; // since there is only 1 this will obtain it
}
}
if (_DataSetDefn == null)
{
OwnerReport.rl.LogError(8, string.Format("{0} must specify a DataSetName.", this.Name == null? "DataRegions": this.Name.Nm));
}
}
if (_NoRows != null)
{
_NoRows.FinalPass();
}
if (_Filters != null)
{
_Filters.FinalPass();
}
return;
}
override internal void FinalPass()
{
// optimization: avoid expression overhead if this isn't really an expression
if (_Source == null)
{
_Expr = new Constant <string>(""); //Originally Plain Constant
return;
}
else if (_Source == "" || // empty expression
_Source[0] != '=') // if 1st char not '='
{
//Originally Plain Constant
_Expr = new Constant <string>(_Source); // this is a constant value
return;
}
Parser p = new Parser(OwnerReport.DataCache);
// find the fields that are part of the DataRegion (if there is one)
IDictionary fields = null;
ReportLink dr = Parent;
Grouping grp = null; // remember if in a table group or detail group or list group
Matrix m = null;
ReportLink phpf = null;
while (dr != null) // Loops through Report Items and their
{ // parents until the group that contains it is obtained.
if (dr is Grouping)
{
p.NoAggregateFunctions = true;
}
else if (dr is TableGroup)
{
grp = ((TableGroup)dr).Grouping;
}
else if (dr is Matrix)
{
m = (Matrix)dr; // if matrix we need to pass special
break;
}
else if (dr is Details)
{
grp = ((Details)dr).Grouping;
}
else if (dr is List)
{
grp = ((List)dr).Grouping;
break;
}
else if (dr is PageHeader || dr is PageFooter)
{
phpf = dr;
}
else if (dr is DataRegion || dr is DataSetDefn)
{
break;
}
dr = dr.Parent;
}
if (dr != null)
{
if (dr is DataSetDefn)
{
DataSetDefn d = (DataSetDefn)dr;
if (d.Fields != null)
{
fields = d.Fields.Items;
}
}
else // must be a DataRegion
{
DataRegion d = (DataRegion)dr;
if (d.DataSetDefn != null &&
d.DataSetDefn.Fields != null)
{
fields = d.DataSetDefn.Fields.Items;
}
}
}
NameLookup lu = new NameLookup(fields, OwnerReport.LUReportParameters,
OwnerReport.LUReportItems, OwnerReport.LUGlobals,
OwnerReport.LUUser, OwnerReport.LUAggrScope,
grp, m, OwnerReport.CodeModules, OwnerReport.Classes, OwnerReport.DataSetsDefn,
OwnerReport.CodeType);
if (phpf != null)
{
// Non-null when expression is in PageHeader or PageFooter;
// Expression name needed for dynamic lookup of ReportItems on a page.
lu.PageFooterHeader = phpf;
lu.ExpressionName = _UniqueName = "xn_" + Interlocked.Increment(ref Parser.Counter).ToString();
}
try
{
_Expr = p.Parse(lu, _Source);
}
catch (Exception e)
{
_Expr = new Constant <string>(e.Message); //Originally ConstantError
// Invalid expression
OwnerReport.rl.LogError(8, ErrorText(e.Message));
}
// Optimize removing any expression that always result in a constant
try
{
_Expr = _Expr.ConstantOptimization();
}
catch (Exception ex)
{
OwnerReport.rl.LogError(4, "Expression:" + _Source + "\r\nConstant Optimization exception:\r\n" + ex.Message + "\r\nStack trace:\r\n" + ex.StackTrace);
}
_Type = _Expr.GetTypeCode();
return;
}
internal TypeCode DoParse(Report rpt)
{
// optimization: avoid expression overhead if this isn't really an expression
if (_Source == null)
{
_Expr = new Constant <string>(""); //Originally Plain Constant
return(_Expr.GetTypeCode());
}
else if (_Source == string.Empty || // empty expression
_Source[0] != '=') // if 1st char not '='
{
_Expr = new Constant <string>(_Source); // this is a constant value
return(_Expr.GetTypeCode());
}
Parser p = new Parser(new System.Collections.Generic.List <ICacheData>());
// find the fields that are part of the DataRegion (if there is one)
IDictionary fields = null;
ReportLink dr = _rl.Parent;
Grouping grp = null; // remember if in a table group or detail group or list group
Matrix m = null;
while (dr != null)
{
if (dr is Grouping)
{
p.NoAggregateFunctions = true;
}
else if (dr is TableGroup)
{
grp = ((TableGroup)dr).Grouping;
}
else if (dr is Matrix)
{
m = (Matrix)dr; // if matrix we need to pass special
break;
}
else if (dr is Details)
{
grp = ((Details)dr).Grouping;
}
else if (dr is List)
{
grp = ((List)dr).Grouping;
break;
}
else if (dr is DataRegion || dr is DataSetDefn)
{
break;
}
dr = dr.Parent;
}
if (dr != null)
{
if (dr is DataSetDefn)
{
DataSetDefn d = (DataSetDefn)dr;
if (d.Fields != null)
{
fields = d.Fields.Items;
}
}
else // must be a DataRegion
{
DataRegion d = (DataRegion)dr;
if (d.DataSetDefn != null &&
d.DataSetDefn.Fields != null)
{
fields = d.DataSetDefn.Fields.Items;
}
}
}
NameLookup lu = new NameLookup(fields, rpt.ReportDefinition.LUReportParameters,
rpt.ReportDefinition.LUReportItems, rpt.ReportDefinition.LUGlobals,
rpt.ReportDefinition.LUUser, rpt.ReportDefinition.LUAggrScope,
grp, m, rpt.ReportDefinition.CodeModules, rpt.ReportDefinition.Classes, rpt.ReportDefinition.DataSetsDefn,
rpt.ReportDefinition.CodeType);
try
{
_Expr = p.Parse(lu, _Source);
}
catch (Exception e)
{
_Expr = new Constant <string>(e.Message); //Originally ConstantError
// Invalid expression
rpt.rl.LogError(8, ErrorText(e.Message));
}
// Optimize removing any expression that always result in a constant
try
{
_Expr = _Expr.ConstantOptimization();
}
catch (Exception ex)
{
rpt.rl.LogError(4, "Expression:" + _Source + "\r\nConstant Optimization exception:\r\n" + ex.Message + "\r\nStack trace:\r\n" + ex.StackTrace);
}
return(_Expr.GetTypeCode());
}
// return an IEnumerable that represents the scope of the data
protected RowEnumerable GetDataScope(Report rpt, Row row, out bool bSave)
{
bSave = true;
RowEnumerable re = null;
if (this._Scope != null)
{
Type t = this._Scope.GetType();
//150208AJM GJL Trying - And Succeeding!!! to get data from chart
if (t == typeof(Chart))
{
Chart c = (Chart)this._Scope;
this._Scope = c.ChartMatrix;
t = this._Scope.GetType();
}
if (t == typeof(Grouping))
{
bSave = false;
Grouping g = (Grouping)(this._Scope);
if (g.InMatrix)
{
Rows rows = g.GetRows(rpt);
if (rows == null)
{
return(null);
}
re = new RowEnumerable(0, rows.Data.Count - 1, rows.Data, _LevelCheck);
}
else
{
if (row == null || row.R.CurrentGroups == null) // currentGroups can be null when reference Textbox in header/footer that has a scoped aggr function reference (TODO: this is a problem!)
{
return(null);
}
GroupEntry ge = row.R.CurrentGroups[g.GetIndex(rpt)];
re = new RowEnumerable(ge.StartRow, ge.EndRow, row.R.Data, _LevelCheck);
}
}
else if (t == typeof(Matrix))
{
bSave = false;
Matrix m = (Matrix)(this._Scope);
Rows mData = m.GetMyData(rpt);
re = new RowEnumerable(0, mData.Data.Count - 1, mData.Data, false);
}
else if (t == typeof(string))
{ // happens on page header/footer scope
if (row != null)
{
re = new RowEnumerable(0, row.R.Data.Count - 1, row.R.Data, false);
}
bSave = false;
}
else if (row != null)
{
re = new RowEnumerable(0, row.R.Data.Count - 1, row.R.Data, false);
}
else
{
DataSetDefn ds = this._Scope as DataSetDefn;
if (ds != null && ds.Query != null)
{
Rows rows = ds.Query.GetMyData(rpt);
if (rows != null)
{
re = new RowEnumerable(0, rows.Data.Count - 1, rows.Data, false);
}
}
}
}
else if (row != null)
{
re = new RowEnumerable(0, row.R.Data.Count - 1, row.R.Data, false);
}
return(re);
}
DataSetDefn _dsd; // the true definition of the DataSet
internal DataSet(Report rpt, DataSetDefn dsd)
{
_rpt = rpt;
_dsd = dsd;
}
