protected virtual Brush GetBrushForStatus(GraphStatus status)
{
switch (status)
{
case GraphStatus.Error:
return(Brushes.Red);
case GraphStatus.Normal:
return(Brushes.White);
case GraphStatus.Warning:
return(Brushes.Yellow);
default:
return(null);
}
}
private void btnGraph_Click(object sender, EventArgs e)
{
switch (status)
{
case GraphStatus.GraphRun:
status = GraphStatus.GraphStop;
btnGraph.Text = "Graph";
break;
case GraphStatus.GraphStop:
status = GraphStatus.GraphRun;
btnGraph.Text = "NotGraph";
break;
default:
break;
}
}
protected override Brush GetBrushForStatus(GraphStatus status)
{
switch (status)
{
case GraphStatus.Error:
return(Brushes.Red);
case GraphStatus.Normal:
return(Green);
case GraphStatus.Warning:
return(Brushes.Yellow);
case GraphStatus.NotAvilable:
return(Brushes.Gray);
default:
return(null);
}
}
private void btnGraph_Click(object sender, EventArgs e)
{
switch (status)
{
case GraphStatus.GraphRun:
status = GraphStatus.GraphStop;
btnGraph.Text = "Graph";
lbGraph.Text = "NOT";
lbGraph.ForeColor = Color.Red;
break;
case GraphStatus.GraphStop:
status = GraphStatus.GraphRun;
btnGraph.Text = "NotGraph";
lbGraph.Text = "GRAPH";
lbGraph.ForeColor = Color.Blue;
break;
default:
break;
}
}
public GraphDto(Uri name, GraphStatus status, string startTime)
{
Name = name;
Status = status;
StartTime = startTime;
}
internal void UpdateInfo(GraphStatus wrotePeople)
{
}
public Bar(double percentage, GraphStatus status)
{
Percentage = percentage;
Status = status;
}
private GraphStatus UpdateSource(double[] graphValues, double errorTolerance, double warningTolerance)
{
// this method calculates all bars in a three iterations:
// - filter out NaN values
// - sort
// - add bars
// FILTERING
var values = graphValues.Where(val => !double.IsNaN(val)).ToArray();
GraphStatus graphStatus;
if (graphValues.Length > values.Length)
{
graphStatus = GraphStatus.NotAvilable;
}
else
{
graphStatus = GraphStatus.Normal;
}
////// TEST DATA
////// Testdata for bar validation with static values
////double[] myTestValues = { 0.321, 0.31, 0.219, 0.185, 0.1, -0.1, -0.1, -0.1, -0.1, -0.239 };
////values = myTestValues;
// SORTING
// sort array in place from large to small values
Array.Sort(values, (a, b) => Math.Sign(b - a));
// ADD BARS
int i; // holds the index of the current value
double valueCountPerBar = 0, // holds the amount of values that account for a single bar
current = 0; // holds the current value obtained from values with the index i
_bars = new List <Bar>();
// FIRST BAR
// contains all values that are greater than the error tolerance
for (i = 0; i < values.Length; i++)
{
current = values[i];
if (current >= errorTolerance)
{
valueCountPerBar++;
}
else
{
break;
}
}
AddBar(GraphStatus.Error);
// SECOND to NEXT-TO-LAST BARS
// contains all values within positive and negative error tolerance
// we have to convert to decimal to prevent weird behavior due to doubl arithmetic.
decimal error = (decimal)errorTolerance;
decimal warning = (decimal)warningTolerance;
decimal minTicksDec = (decimal)ScaleCache.Instance.GlobalMinTicks;
decimal currentScaleTick = error;
while (currentScaleTick >= -error)
{
double x = Convert.ToDouble(currentScaleTick - minTicksDec);
bool isWarningColorTrue = false;
for (; i < values.Length; i++)
{
current = values[i];
if (current < -errorTolerance)
{
break;
}
if (current > x)
{
// if the warning tolerance is between bar borders check for the correct color
if (!isWarningColorTrue && Math.Abs(current) > warningTolerance)
{
isWarningColorTrue = true;
}
valueCountPerBar++;
}
else
{
break;
}
}
GraphStatus status = Math.Abs(currentScaleTick) >= warning && isWarningColorTrue ? GraphStatus.Warning : GraphStatus.Normal;
AddBar(status);
currentScaleTick -= minTicksDec;
}
// LAST BAR
// contains all values that are smaller than the negative error tolerance
for (; i < values.Length; i++)
{
current = values[i];
if (current < -errorTolerance)
{
valueCountPerBar++;
}
else
{
break;
}
}
AddBar(GraphStatus.Error);
void AddBar(GraphStatus barStatus)
{
var percentage = valueCountPerBar / values.Length;
if (percentage > _maxPercentage)
{
_maxPercentage = percentage;
}
_bars.Add(new Bar(percentage, barStatus));
if (graphStatus < GraphStatus.Error && barStatus > GraphStatus.Normal && valueCountPerBar > 0)
{
graphStatus = barStatus;
}
valueCountPerBar = 0;
}
var result = graphValues.Any(val => double.IsNaN(val)) ? GraphStatus.NotAvilable :
values.Any(val => Math.Abs(val) > errorTolerance) ? GraphStatus.Error :
values.Any(val => Math.Abs(val) > warningTolerance) ? GraphStatus.Warning :
GraphStatus.Normal;
return(result);
}
public Graph()
{
_status = GraphStatus.Inactive;
}