public void Render(long startTicks, long endTicks, DataManager manager, bool isOdd, bool isHeadOfGroup)
{
CtlPresenter.Clear();
using (var dc = CtlPresenter.G())
{
var width = CtlPresenter.ActualWidth;
var height = CtlPresenter.ActualHeight;
if (Values.Count == 0)
{
//todo: add grid
return;
}
CtlGroup.Visibility = isHeadOfGroup ? Visibility.Visible : Visibility.Collapsed;
double rangeMin = RangeMinimum;
double rangeMax = RangeMaximum;
/* auto range
* if (manager.IsAutoRangeMinMax)
* {
* var min = Values.Min(v => v.CtlValue.Value);
* var max = Values.Max(v => v.CtlValue.Value);
*
* rangeMax = max + min;
* rangeMin = 0;
* }
*/
// Min-Max range
if (manager.IsAutoRangeMinMax)
{
var min = Values.Min(v => v.CtlValue.Value);
var max = Values.Max(v => v.CtlValue.Value);
rangeMax = max;
rangeMin = min;
}
if (rangeMin == rangeMax)
{
var pen = GetPenFromValue(rangeMin);
CtlMinRange.Text = Converter.DoubleToText(rangeMin, "F3", true);
CtlMinRange.VerticalAlignment = VerticalAlignment.Center;
CtlMinRange.Background = pen.Brush;
CtlMaxRange.Visibility = Visibility.Collapsed;
}
else
{
var penMin = GetPenFromValue(rangeMin);
var penMax = GetPenFromValue(rangeMax);
CtlMinRange.Text = Converter.DoubleToText(rangeMin, "F3", true);
CtlMinRange.Background = penMin.Brush;
CtlMaxRange.Text = Converter.DoubleToText(rangeMax, "F3", true);
CtlMaxRange.Background = penMax.Brush;
}
double optimalValue = CriticalMinumim + (CriticalMaximum - CriticalMinumim) / 2;
if (manager.IsShowOptimalLine && CriticalMinumim > 0)
{
if (rangeMax < optimalValue)
{
rangeMax = optimalValue;
}
if (rangeMin > optimalValue)
{
rangeMin = optimalValue;
}
}
var prevValue = Values[0];
double val = prevValue.CtlValue.Value;
var prevPen = GetPenFromValue(val);
double prevX = GetX(startTicks, endTicks, prevValue.CtlDate.SelectedDate.Value);
foreach (var value in Values)
{
if (prevValue != null)
{
var v = value.CtlValue.Value;
var currPen = GetPenFromValue(v);
if (currPen != prevPen)
{
var end = value == Values[Values.Count - 1] ? value.CtlDate.SelectedDate.Value : value.CtlDate.SelectedDate.Value.AddDays(-1);
var dayOfChange = GetDayOfChange2(prevValue, value, end, prevPen);
val = GetValueForDate(prevValue, value, dayOfChange.Ticks);
var pen = GetPenFromValue(val);
bool lastDay = value == Values[Values.Count - 1] && dayOfChange == end;
if (pen != prevPen || lastDay)
{
double x = (lastDay && pen == prevPen) ? width : GetX(startTicks, endTicks, dayOfChange);
CtlPresenter.DrawRectangle(prevPen.Brush, prevPen, Rects.Get(prevX, 0, x - prevX, height), dc);
prevX = x;
prevPen = pen;
}
}
}
prevValue = value;
}
CtlPresenter.DrawRectangle(prevPen.Brush, prevPen, Rects.Get(prevX, 0, width - prevX, height), dc);
// grid
var endDate = new DateTime(endTicks);
var startDate = new DateTime(startTicks);
for (DateTime day = startDate; day <= endDate; day = day.AddMonths(1))
{
double x = GetX(startTicks, endTicks, day);
CtlPresenter.DrawLine(day.Month == 1 ? penGridYear : (isOdd ? penGrid : penGridAlt), Points.Get(x, 0), Points.Get(x, height), dc);
}
double xt = GetX(startTicks, endTicks, DateTime.Today);
CtlPresenter.DrawLine(penToday, Points.Get(xt, 0), Points.Get(xt, height), dc);
// optimal line
if (manager.IsShowOptimalLine && CriticalMinumim > 0)
{
double y = GetY(optimalValue, rangeMin, rangeMax);
CtlPresenter.DrawLine(penOptimalValue, Points.Get(0, y), Points.Get(width, y), dc);
}
// graph
prevValue = null;
foreach (var value in Values)
{
var point = GetValuePoint(value, startTicks, endTicks, rangeMin, rangeMax);
if (prevValue != null)
{
var prevPoint = GetValuePoint(prevValue, startTicks, endTicks, rangeMin, rangeMax);
CtlPresenter.DrawLine(penLine, prevPoint, point, dc);
}
// Critical border circle
var pointPen = penLine;
double pointRadius = 5 * Tools.Render.PixelSize;
if (CriticalMinumim != CriticalMaximum)
{
if (CriticalMinumim > RangeMinimum && value.CtlValue.Value == CriticalMinumim)
{
CtlPresenter.DrawEllipse(penCriticalBorder.Brush, penCriticalBorder, point, pointRadius, pointRadius, dc);
pointPen = penLow;
}
else if (CriticalMaximum < RangeMaximum && value.CtlValue.Value == CriticalMaximum)
{
CtlPresenter.DrawEllipse(penCriticalBorder.Brush, penCriticalBorder, point, pointRadius, pointRadius, dc);
pointPen = penHigh;
}
}
// Value point
CtlPresenter.DrawEllipse(pointPen.Brush, pointPen, point, pointRadius / 2, pointRadius / 2, dc);
prevValue = value;
}
//
// values
var brush = Tools.Draw.GetBrush(Colors.White);
var prevRects = new List <Rect>();
for (int i = Values.Count - 1; i >= 0; --i)
{
var value = Values[i];
var point = GetValuePoint(value, startTicks, endTicks, rangeMin, rangeMax);
var fmt = new FormattedText(Converter.DoubleToText(value.CtlValue.Value, "F3"), Culture.Current, FlowDirection.LeftToRight, Font, 9, Brushes.Black, Tools.Render.PixelsPerDip);
var x = point.X + Tools.Render.PixelSize;
var y = point.Y >= height / 2 ? point.Y - Tools.Render.PixelSize - fmt.Height : point.Y + Tools.Render.PixelSize;
var rect = Rects.Get(x, y, fmt.Width + 2 * Tools.Render.PixelSize, fmt.Height - 2 * Tools.Render.PixelSize);
if (!prevRects.Any(prevRect => Rects.Intersects(rect, prevRect)))
{
CtlPresenter.DrawRectangle(brush, null, rect, dc);
CtlPresenter.DrawText(fmt, Points.Get(x + Tools.Render.PixelSize, y - Tools.Render.PixelSize), 0, dc);
prevRects.Add(rect);
}
}
}
IsRenderNeeded = false;
}