IDictionary _Items; // dictionary of items
#endregion Fields
#region Constructors
internal Fields(ReportDefn r, ReportLink p, XmlNode xNode)
: base(r, p)
{
Field f;
if (xNode.ChildNodes.Count < 10)
_Items = new ListDictionary(StringComparer.CurrentCultureIgnoreCase); // Hashtable is overkill for small lists
else
_Items = new Hashtable(xNode.ChildNodes.Count, StringComparer.CurrentCultureIgnoreCase);
// Loop thru all the child nodes
int iCol=0;
foreach(XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
continue;
switch (xNodeLoop.Name)
{
case "Field":
f = new Field(r, this, xNodeLoop);
f.ColumnNumber = iCol++; // Assign the column number
break;
default:
f=null;
r.rl.LogError(4, "Unknown element '" + xNodeLoop.Name + "' in fields list.");
break;
}
if (f != null)
{
if (_Items.Contains(f.Name.Nm))
{
r.rl.LogError(4, "Field " + f.Name + " has duplicates.");
}
else
_Items.Add(f.Name.Nm, f);
}
}
}
/// <summary>
/// Determine if value of Field is available
/// </summary>
public FunctionFieldIsMissing(Field fld)
: base(fld)
{
}
private string _Name; // when we have an unresolved field;
#endregion Fields
#region Constructors
/// <summary>
/// obtain value of Field
/// </summary>
public FunctionField(Field fld)
{
f = fld;
}
internal override void FinalPass()
{
_ds = OwnerReport.DataSetsDefn[this._DataSetName];
if (_ds == null)
OwnerReport.rl.LogError(8, "DataSetReference refers to unknown data set '" + _DataSetName + "'");
else
{
_vField = _ds.Fields[_ValueField];
if (_vField == null)
OwnerReport.rl.LogError(8, "ValueField refers to unknown field '" + _ValueField + "'");
else
{
if (_LabelField == null)
_lField = _vField;
else
{
_lField = _ds.Fields[_LabelField];
if (_lField == null)
OwnerReport.rl.LogError(8, "LabelField refers to unknown field '" + _LabelField + "'");
}
}
}
return;
}