protected double GetDataValue(Report rpt, int row, int col)
{
MatrixCellEntry mce = _DataDefn[row, col];
if (mce == null)
{
return(0); // Not sure what this really means TODO:
}
if (mce.Value != double.MinValue)
{
return(mce.Value);
}
// Calculate this value; usually a fairly expensive operation
// due to the common use of aggregate values. We need to
// go thru the data more than once if we have to auto scale.
Row lrow;
this._ChartDefn.ChartMatrix.SetMyData(rpt, mce.Data); // Must set this for evaluation
if (mce.Data.Data.Count > 0)
{
lrow = mce.Data.Data[0];
}
else
{
lrow = null;
}
ChartExpression ce = (ChartExpression)(mce.DisplayItem);
double v = ce.Value.EvaluateDouble(rpt, lrow);
mce.Value = v; // cache so we don't need to calculate again
return(v);
}
protected object GetCategoryValue(Report rpt, int row, out TypeCode tc)
{
MatrixCellEntry mce = _DataDefn[row, 0];
if (mce == null)
{
tc = TypeCode.String;
return(""); // Not sure what this really means TODO:
}
Row lrow;
this._ChartDefn.ChartMatrix.SetMyData(rpt, mce.Data); // Must set this for evaluation
if (mce.Data.Data.Count > 0)
{
lrow = mce.Data.Data[0];
}
else
{
lrow = null;
}
ChartExpression ce = (ChartExpression)(mce.DisplayItem);
object v = ce.Value.Evaluate(rpt, lrow);
tc = ce.Value.GetTypeCode();
return(v);
}
protected string GetSeriesValue(Report rpt, int iCol)
{
MatrixCellEntry mce = _DataDefn[0, iCol];
Row lrow;
if (mce.Data.Data.Count > 0)
{
lrow = mce.Data.Data[0];
}
else
{
lrow = null;
}
ChartExpression ce = (ChartExpression)(mce.DisplayItem);
string v = ce.Value.EvaluateString(rpt, lrow);
return(v);
}
List<ReportItem> _Items; // list of report items
#endregion Fields
#region Constructors
internal ReportItems(ReportDefn r, ReportLink p, XmlNode xNode)
: base(r, p)
{
ReportItem ri;
_Items = new List<ReportItem>();
// Loop thru all the child nodes
foreach(XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
continue;
switch (xNodeLoop.Name)
{
case "Rectangle":
ri = new Rectangle(r, this, xNodeLoop);
break;
case "Line":
ri = new Line(r, this, xNodeLoop);
break;
case "Textbox":
ri = new Textbox(r, this, xNodeLoop);
break;
case "Image":
ri = new Image(r, this, xNodeLoop);
break;
case "Subreport":
ri = new Subreport(r, this, xNodeLoop);
break;
// DataRegions: list, table, matrix, chart
case "List":
ri = new List(r, this, xNodeLoop);
break;
case "Table":
case "Grid":
case "fyi:Grid":
ri = new Table(r, this, xNodeLoop);
break;
case "Matrix":
ri = new Matrix(r, this, xNodeLoop);
break;
case "Chart":
ri = new Chart(r, this, xNodeLoop);
break;
case "ChartExpression": // For internal use only
ri = new ChartExpression(r, this, xNodeLoop);
break;
case "CustomReportItem":
ri = new CustomReportItem(r, this, xNodeLoop);
break;
default:
ri=null; // don't know what this is
// don't know this element - log it
OwnerReport.rl.LogError(4, "Unknown ReportItems element '" + xNodeLoop.Name + "' ignored.");
break;
}
if (ri != null)
{
_Items.Add(ri);
}
}
if (_Items.Count == 0)
OwnerReport.rl.LogError(8, "At least one item must be in the ReportItems.");
else
_Items.TrimExcess();
}
List <ReportItem> _Items; // list of report items
internal ReportItems(ReportDefn r, ReportLink p, XmlNode xNode) : base(r, p)
{
ReportItem ri;
_Items = new List <ReportItem>();
// Loop thru all the child nodes
foreach (XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
{
continue;
}
switch (xNodeLoop.Name)
{
case "Rectangle":
ri = new Rectangle(r, this, xNodeLoop);
break;
case "Line":
ri = new Line(r, this, xNodeLoop);
break;
case "Textbox":
ri = new Textbox(r, this, xNodeLoop);
break;
case "Image":
ri = new Image(r, this, xNodeLoop);
break;
case "Subreport":
ri = new Subreport(r, this, xNodeLoop);
break;
// DataRegions: list, table, matrix, chart
case "List":
ri = new List(r, this, xNodeLoop);
break;
case "Table":
ri = new Table(r, this, xNodeLoop);
break;
case "Matrix":
ri = new Matrix(r, this, xNodeLoop);
break;
case "Chart":
ri = new Chart(r, this, xNodeLoop);
break;
case "ChartExpression": // For internal use only
ri = new ChartExpression(r, this, xNodeLoop);
break;
case "CustomReportItem":
ri = new CustomReportItem(r, this, xNodeLoop);
break;
default:
ri = null; // don't know what this is
// don't know this element - log it
OwnerReport.rl.LogError(4, "Unknown ReportItems element '" + xNodeLoop.Name + "' ignored.");
break;
}
if (ri != null)
{
_Items.Add(ri);
}
}
if (_Items.Count == 0)
{
OwnerReport.rl.LogError(8, "At least one item must be in the ReportItems.");
}
else
{
_Items.TrimExcess();
}
}
void DrawDataPoint(Report rpt, Graphics g, Point p, System.Drawing.Rectangle rect, int row, int col)
{
MatrixCellEntry mce = _DataDefn[row, col];
if (mce == null)
{
return; // Not sure what this really means TODO:
}
ChartExpression ce = (ChartExpression)(mce.DisplayItem);
DataPoint dp = ce.DP;
if (dp.DataLabel == null || !dp.DataLabel.Visible)
{
return;
}
// Calculate the DataPoint value; usually a fairly expensive operation
// due to the common use of aggregate values.
Row lrow;
this._ChartDefn.ChartMatrix.SetMyData(rpt, mce.Data); // Must set this for evaluation
if (mce.Data.Data.Count > 0)
{
lrow = mce.Data.Data[0];
}
else
{
lrow = null;
}
object v = null;
TypeCode tc;
if (dp.DataLabel.Value == null)
{ // No DataLabel value specified so we use the actual value
v = ce.Value.EvaluateDouble(rpt, lrow);
tc = TypeCode.Double;
}
else
{ // Evaluate the DataLable value for the display
v = dp.DataLabel.Value.Evaluate(rpt, lrow);
tc = dp.DataLabel.Value.GetTypeCode();
}
if (dp.DataLabel.Style == null)
{
if (rect == System.Drawing.Rectangle.Empty)
{
Size size = Style.MeasureStringDefaults(rpt, g, v, tc, lrow, int.MaxValue);
rect = new System.Drawing.Rectangle(p, size);
}
Style.DrawStringDefaults(g, v, rect);
}
else
{
if (rect == System.Drawing.Rectangle.Empty)
{
Size size = dp.DataLabel.Style.MeasureString(rpt, g, v, tc, lrow, int.MaxValue);
rect = new System.Drawing.Rectangle(p, size);
}
dp.DataLabel.Style.DrawString(rpt, g, v, tc, lrow, rect);
}
return;
}