private static void AddAnnotation(List <Annotation> annotations, List <object> x, Color baseColour, Dictionary <string, Color> colourMap, int startIndex, string startName, int i)
{
var bar = new LineAnnotation();
if (colourMap.ContainsKey(startName))
{
bar.colour = colourMap[startName];
}
else
{
bar.colour = ColourUtilities.ChangeColorBrightness(baseColour, colourMap.Count * 0.2);
colourMap.Add(startName, bar.colour);
}
bar.type = LineType.Dot;
bar.x1 = x[startIndex];
bar.y1 = double.MinValue;
bar.x2 = x[i - 1];
bar.y2 = double.MaxValue;
bar.InFrontOfSeries = false;
bar.ToolTip = startName;
annotations.Add(bar);
}
/// <summary>Called by the graph presenter to get a list of all annotations to put on the graph.</summary>
public IEnumerable <IAnnotation> GetAnnotations()
{
List <IAnnotation> annotations = new List <IAnnotation>();
Graph parentGraph = Parent.Parent as Graph;
if (data != null && ColumnName != null && xFieldName != null)
{
string phenologyColumnName = FindPhenologyStageColumn(data);
if (phenologyColumnName != null && data.Columns.Contains(xFieldName))
{
string[] names = DataTableUtilities.GetColumnAsStrings(data, phenologyColumnName);
List <object> x;
Type columnType = data.Columns[xFieldName].DataType;
if (columnType == typeof(DateTime))
{
x = DataTableUtilities.GetColumnAsDates(data, xFieldName).Cast <object>().ToList();
}
else if (columnType == typeof(int))
{
x = DataTableUtilities.GetColumnAsIntegers(data, xFieldName).Cast <object>().ToList();
}
else if (columnType == typeof(double))
{
x = DataTableUtilities.GetColumnAsDoubles(data, xFieldName).Cast <object>().ToList();
}
else
{
throw new Exception($"Error in EventNamesOnGraph {Name}: unknown column type '{columnType.FullName}' in column '{xFieldName}'");
}
if (names.Length == x.Count)
{
for (int i = 0; i < names.Length; i++)
{
if (names[i] != "?" && !string.IsNullOrEmpty(names[i]))
{
// Add a line annotation.
LineAnnotation line = new LineAnnotation();
line.colour = Color.Black;
line.type = LineType.Dot;
line.x1 = x[i];
line.y1 = double.MinValue;
line.x2 = x[i];
line.y2 = double.MaxValue;
annotations.Add(line);
// Add a text annotation.
TextAnnotation text = new TextAnnotation();
text.text = names[i];
text.colour = Color.Black;
text.leftAlign = true;
text.x = x[i];
text.y = double.MinValue;
text.textRotation = 270;
annotations.Add(text);
}
}
}
}
}
return(annotations);
}
