private void UpdateGraph()
{
if (!IsHandleCreated)
{
return;
}
zedGraphControl.GraphPane.GraphObjList.Clear();
zedGraphControl.GraphPane.CurveList.Clear();
_barGraph = null;
_rows = null;
var points = new PointPairList();
var groupComparisonModel = FoldChangeBindingSource.GroupComparisonModel;
var groupComparisonDef = groupComparisonModel.GroupComparisonDef;
var document = groupComparisonModel.Document;
var sequences = new List <Tuple <string, bool> >();
foreach (var nodePep in document.Molecules)
{
sequences.Add(new Tuple <string, bool>(nodePep.ModifiedTarget.DisplayName, nodePep.IsProteomic));
}
var uniquePrefixGenerator = new UniquePrefixGenerator(sequences, 3);
var textLabels = new List <string>();
var rows = _bindingListSource.OfType <RowItem>()
.Select(rowItem => rowItem.Value)
.OfType <FoldChangeBindingSource.FoldChangeRow>()
.ToArray();
bool showLabelType = rows.Select(row => row.IsotopeLabelType).Distinct().Count() > 1;
bool showMsLevel = rows.Select(row => row.MsLevel).Distinct().Count() > 1;
bool showGroup = rows.Select(row => row.Group).Distinct().Count() > 1;
foreach (var row in rows)
{
var foldChangeResult = row.FoldChangeResult;
double error = Math.Log(foldChangeResult.MaxFoldChange / foldChangeResult.FoldChange, 2.0);
var point = MeanErrorBarItem.MakePointPair(points.Count, foldChangeResult.Log2FoldChange, error);
points.Add(point);
string label;
if (null != row.Peptide)
{
try
{
label = uniquePrefixGenerator.GetUniquePrefix(
row.Peptide.GetDocNode().ModifiedTarget.DisplayName, row.Peptide.GetDocNode().IsProteomic);
}
catch
{
// Peptide must have been deleted.
label = row.Peptide.GetDocNode().ModifiedTarget.DisplayName;
}
}
else
{
label = ProteinMetadataManager.ProteinModalDisplayText(row.Protein.DocNode);
}
if (showMsLevel && row.MsLevel.HasValue)
{
label += @" MS" + row.MsLevel; //;
}
if (showLabelType && row.IsotopeLabelType != null)
{
label += @" (" + row.IsotopeLabelType.Title + @")";
}
if (showGroup && !Equals(row.Group, default(GroupIdentifier)))
{
label += @" " + row.Group;
}
textLabels.Add(label);
if (IsSelected(row))
{
double y, height;
if (foldChangeResult.Log2FoldChange >= 0)
{
y = foldChangeResult.Log2FoldChange + error;
height = y;
}
else
{
y = 0;
height = error - foldChangeResult.Log2FoldChange;
}
zedGraphControl.GraphPane.GraphObjList.Add(new BoxObj(point.X + .5, y, .99, height)
{
ZOrder = ZOrder.E_BehindCurves,
IsClippedToChartRect = true
});
}
}
zedGraphControl.GraphPane.XAxis.Title.Text = groupComparisonDef.PerProtein ? GroupComparisonStrings.FoldChangeBarGraph_UpdateGraph_Protein : GroupComparisonStrings.FoldChangeBarGraph_UpdateGraph_Peptide;
zedGraphControl.GraphPane.YAxis.Title.Text = GroupComparisonStrings.FoldChangeBarGraph_UpdateGraph_Log_2_Fold_Change;
var barGraph = new MeanErrorBarItem(null, points, Color.Black, Color.Blue);
zedGraphControl.GraphPane.CurveList.Add(barGraph);
zedGraphControl.GraphPane.XAxis.Scale.MinAuto = zedGraphControl.GraphPane.XAxis.Scale.MaxAuto =
zedGraphControl.GraphPane.YAxis.Scale.MinAuto = zedGraphControl.GraphPane.YAxis.Scale.MaxAuto = true;
zedGraphControl.GraphPane.XAxis.Type = AxisType.Text;
zedGraphControl.GraphPane.XAxis.Scale.TextLabels = textLabels.ToArray();
_axisLabelScaler.ScaleAxisLabels();
zedGraphControl.GraphPane.AxisChange();
zedGraphControl.Invalidate();
_barGraph = barGraph;
_rows = rows;
}
