protected internal CandleMidLineElement(CandleMidLineView view, PlotPane host, Point[] points) : base(host)
{
m_View = view;
m_Points = points;
this.Region = new Rectangle(points[0].X, 0, points[points.Length-1].X, host.Height);
}
protected internal CandleMidLineElement(CandleMidLineView view, PlotPane host, Point[] points) : base(host)
{
m_View = view;
m_Points = points;
this.Region = new Rectangle(points[0].X, 0, points[points.Length - 1].X, host.Height);
}
protected internal YLevelElement(PlotPane host, TimeSeries.YLevel level, float minScale, float maxScale) : base(host)
{
m_Level = level;
// m_Style = new Style(null, getBaseStyle());
m_ScaleMin = minScale;
m_ScaleMax = maxScale;
computeCoords();
this.Region = new Rectangle(0, m_Y - 2, host.Width, m_Y + 2);
}
protected internal YLevelElement(PlotPane host, TimeSeries.YLevel level, float minScale, float maxScale) : base(host)
{
m_Level = level;
// m_Style = new Style(null, getBaseStyle());
m_ScaleMin = minScale;
m_ScaleMax = maxScale;
computeCoords();
this.Region = new Rectangle(0, m_Y-2, host.Width, m_Y+2);
}
protected override Elements.Element MakeSampleElement(TimeSeriesChart chart, PlotPane pane, CandleSample sample, int x, float minScale, float maxScale)
{
var elm = new CandleElement(pane, sample, x, minScale, maxScale, BlackWhite);
if (ShowBalloons)
{
elm.MouseClick += elm_MouseClick;
}
return(elm);
}
protected internal CandleBuySellElement(CandleBuySellView view, PlotPane host, CandleSample sample, int x, float minScale, float maxScale) : base(host)
{
m_View = view;
m_Sample = sample;
m_ScaleMin = minScale;
m_ScaleMax = maxScale;
computeCoords();
var h = Math.Max(m_Lay_BuyHeight, m_Lay_SellHeight);
this.Region = new Rectangle(x, (int)(host.Height / host.Zoom) - h, CandleView.BAR_WIDTH, h);
}
protected internal CandleBuySellElement(CandleBuySellView view, PlotPane host, CandleSample sample, int x, float minScale, float maxScale) : base(host)
{
m_View = view;
m_Sample = sample;
m_ScaleMin = minScale;
m_ScaleMax = maxScale;
computeCoords();
var h = Math.Max(m_Lay_BuyHeight, m_Lay_SellHeight);
this.Region = new Rectangle(x, (int)(host.Height / host.Zoom) - h, CandleView.BAR_WIDTH, h);
}
protected internal CandleElement(PlotPane host, CandleSample candle, int x, float minScale, float maxScale) : base(host)
{
m_Candle = candle;
// m_Style = new Style(null, getBaseStyle());
m_ScaleMin = minScale;
m_ScaleMax = maxScale;
m_Lay_X = x;
m_Lay_W = CandleView.BAR_WIDTH;
computeCoords();
this.Region = new Rectangle(m_Lay_X, m_Lay_Y, m_Lay_W, m_Lay_H);
}
protected internal CandleElement(PlotPane host, CandleSample candle, int x, float minScale, float maxScale) : base(host)
{
m_Candle = candle;
// m_Style = new Style(null, getBaseStyle());
m_ScaleMin = minScale;
m_ScaleMax = maxScale;
m_Lay_X = x;
m_Lay_W = CandleView.BAR_WIDTH;
computeCoords();
this.Region = new Rectangle(m_Lay_X, m_Lay_Y, m_Lay_W, m_Lay_H);
}
internal ChartPaneMouseEventArgs( MouseEventType type,
TimeSeriesChart chart,
PlotPane pane,
MouseEventArgs mouse,
ITimeSeriesSample sample,
float value)
{
this.EventType = type;
this.Chart = chart;
this.Pane = pane;
this.MouseEvent = mouse;
this.SampleAtX = sample;
this.ValueAtY = value;
}
protected internal virtual void OnChartPaneMouseEvent(
ChartPaneMouseEventArgs.MouseEventType et, PlotPane senderPane, MouseEventArgs mouse)
{
if (this.ChartPaneMouseEvent == null)
{
return;
}
var sample = MapXToSample(mouse.X);
var value = MapPaneYToValue(senderPane, mouse.Y);
var args = new ChartPaneMouseEventArgs(et, this, senderPane, mouse, sample, value);
ChartPaneMouseEvent(this, args);
}
internal ChartPaneMouseEventArgs(MouseEventType type,
TimeSeriesChart chart,
PlotPane pane,
MouseEventArgs mouse,
ITimeSeriesSample sample,
float value)
{
this.EventType = type;
this.Chart = chart;
this.Pane = pane;
this.MouseEvent = mouse;
this.SampleAtX = sample;
this.ValueAtY = value;
}
/// <summary>
/// Maps mouse Y coordinate per pane's vertical scale value
/// </summary>
public float MapPaneYToValue(PlotPane pane, int y)
{
if (pane == null)
{
throw new WFormsException(StringConsts.ARGUMENT_ERROR + "MapPaneYToValue(pane==null)");
}
if (pane.Chart != this)
{
throw new WFormsException(StringConsts.ARGUMENT_ERROR + "MapPaneYToValue(pane.Chart!=this)");
}
var pp = (pane.VRulerMaxScale - pane.VRulerMinScale) / (float)(pane.Height == 0? 1 : pane.Height);
return(pane.VRulerMaxScale - (y * pp));
}
public override void BuildElements(Chart chart, PlotPane pane, Series series)
{
var cdata = series as CandleTimeSeries;
if (cdata == null)
{
throw new WFormsException("CandleView requires CandleTimeSeries source");
}
var drawData = getDataPerScroll(cdata);
if (!drawData.Any())
{
return; //nothing to draw
}
float minScale;
float maxScale;
calcMinMaxScale(drawData, out minScale, out maxScale);
m_MinScale = minScale;
m_MaxScale = maxScale;
pane.SetMinMaxScale(minScale, maxScale, true);
var x = 0;
foreach (var candle in cdata.Data)
{
if (x > pane.Width)
{
break;
}
var elm = new CandleElement(pane, candle, x, minScale, maxScale);
elm.Visible = true;
x += elm.Width;
x++;//margin
}
}
protected override Element MakeSeriesElement(TimeSeriesChart chart,
PlotPane pane,
IEnumerable <CandleSample> data,
int xStart,
float minScale,
float maxScale,
int maxSampleWidth,
out int fitSamplesCount)
{
var points = new List <Point>();
var pxTotalHeight = (int)(pane.Height / pane.Zoom);
var pxPrice = (float)pxTotalHeight / (maxScale - minScale);
fitSamplesCount = 0;
var x = xStart + (maxSampleWidth / 2);
var xcutof = chart.VRulerPosition == VRulerPosition.Right ? pane.Width - 1 - chart.VRulerWidth : pane.Width;
foreach (var candle in data)
{
var midPrice = MidLineType == Temporal.MidLineType.HighLow ?
(candle.LowPrice + ((candle.HighPrice - candle.LowPrice) / 2f)) :
(Math.Min(candle.OpenPrice, candle.ClosePrice) + (Math.Abs(candle.OpenPrice - candle.ClosePrice) / 2f));
var y = pxTotalHeight - (int)((midPrice - minScale) * pxPrice);
points.Add(new Point(x, y));
x += maxSampleWidth;
x++;
if ((x * pane.Zoom) >= xcutof)
{
break;
}
fitSamplesCount++;
}
return(new CandleMidLineElement(this, pane, points.ToArray()));
}
private void buildPanesCore()
{
if (m_Series == null || m_NeedRebuildPanes)
{
foreach (var ctl in m_Panes)
{
m_ChartPanel.Controls.Remove(ctl);
ctl.Dispose();
}
m_Panes.Clear();
//todo ubit shkalu X vnizy
if (m_Series == null) return;
}
var paneNames = m_Series.GetPaneNames().ToArray();
//1. Delete panes that are no longer in series
var toDelete = m_Panes.Select(p => p.Name).Except(paneNames);
foreach (var pn in toDelete)
{
var ctl = m_Panes[pn];
if (ctl != null)
{
m_Panes.Unregister(ctl);
m_ChartPanel.Controls.Remove(ctl);
ctl.Dispose();
}
}
var totPanes = paneNames.Length;
var i = 0;
int controlHeight = m_ChartPanel.Height;
PlotPane lastPane = null;
//2. Add panes
foreach (var pn in paneNames.Reverse())
{
var pane = m_Panes[pn];
if (pane != null)
{
pane.UpdateZoom(m_Zoom);
pane.DeleteAllElements(); //Clear the pane
if (lastPane == null)
lastPane = pane;
continue; //pane already exists
}
//Add pane
pane = new PlotPane(this, pn, m_Panes.Count + 1);
pane.TabStop = false;
pane.Cursor = Cursors.Cross;
pane.Height = (int)(controlHeight * GetPaneVProportion(pn));
SetPaneVProportion(pn, pane.Height/(float)(controlHeight > 0 ? controlHeight : 1));
pane.Parent = m_ChartPanel;
pane.UpdateZoom(m_Zoom);
pane.Dock = DockStyle.Top;
lastPane = pane;
//ctl.BackColor = Color.HotPink;
m_Panes.Register(pane);
if (i < totPanes - 1)
{
// Build splitter
// pane.Dock = DockStyle.Top;
if (pane.m_Splitter != null) continue;
pane.m_Splitter = new Splitter
{
Parent = m_ChartPanel,
Dock = DockStyle.Top,
Height = SPLITTER_HEIGHT,
BackColor = SplitterStyle.BGColor,
BorderStyle = BorderStyle.FixedSingle
};
//this.Controls.SetChildIndex(pane.m_Splitter, this.Controls.GetChildIndex(pane));
//todo Splitter moving - suspend update?
pane.m_Splitter.SplitterMoved += delegate (object sender, SplitterEventArgs e)
{
this.NotifySeriesChange(false);
int height = m_ChartPanel.Height;
foreach (var p in m_Panes)
SetPaneVProportion(p.Name, p.Height / (float)(height > 0 ? height : 1));
};
}
}
// This must be the last Dock command
if (lastPane != null)
lastPane.Dock = DockStyle.Fill;
}
protected override Elements.Element MakeSampleElement(TimeSeriesChart chart, PlotPane pane, CandleSample sample, int x, float minScale, float maxScale)
{
return new CandleBuySellElement(this, pane, sample, x, minScale, maxScale);
}
private void buildPanesCore()
{
if (m_Series==null || m_NeedRebuildPanes)
{
foreach(var ctl in m_Panes)
{
this.Controls.Remove(ctl);
ctl.Dispose();
}
m_Panes.Clear();
//todo ubit shkalu X vnizy
if (m_Series==null) return;
}
var paneNames = m_Series.GetPaneNames().ToArray();
//1. Delete panes that are no longer in series
var toDelete = m_Panes.Select(p => p.Name).Except(paneNames);
foreach(var pn in toDelete)
{
var ctl = m_Panes[pn];
if (ctl!=null)
{
m_Panes.Unregister(ctl);
this.Controls.Remove(ctl);
ctl.Dispose();
}
}
//2. Add panes
foreach(var pn in paneNames.Reverse())
{
var ctl = m_Panes[pn];
if (ctl!=null)
{
ctl.UpdateZoom(m_Zoom);
ctl.DeleteAllElements();//Clear the pane
continue;//pane already exists
}
//Add pane
ctl = new PlotPane(this, pn, m_Panes.Count+1);
ctl.TabStop = false;
ctl.Cursor = Cursors.Cross;
ctl.Height = (int)(this.Height * GetPaneVProportion(pn));
SetPaneVProportion(pn, ctl.Height / (float)(this.Height>0 ? this.Height : 1));
ctl.Parent = this;
ctl.Dock = DockStyle.Top;
ctl.UpdateZoom(m_Zoom);
//ctl.BackColor = Color.HotPink;
m_Panes.Register(ctl);
}
//3. Build splitters
var ilast = m_Panes.Count()-1;
for(var i=0; i<=ilast; i++)
{
var pane = m_Panes[i];
{
// pane.Dock = DockStyle.Top;
if (pane.m_Splitter==null)
{
pane.m_Splitter = new Splitter();
pane.m_Splitter.Parent = this;
this.Controls.SetChildIndex( pane.m_Splitter, this.Controls.GetChildIndex(pane));
pane.m_Splitter.Dock = DockStyle.Top;
pane.m_Splitter.Height = SPLITTER_HEIGHT;
pane.m_Splitter.BackColor = Color.Silver;
pane.m_Splitter.BorderStyle = BorderStyle.FixedSingle;
//todo Splitter moving - suspend update?
pane.m_Splitter.SplitterMoved += delegate(object sender, SplitterEventArgs e)
{
this.NotifySeriesChange(false);
foreach(var p in m_Panes)
SetPaneVProportion(p.Name, p.Height / (float)(this.Height>0 ? this.Height : 1));
};
}
}
}
}
protected internal virtual void OnChartPaneMouseEvent(ChartPaneMouseEventArgs.MouseEventType et, PlotPane senderPane, MouseEventArgs mouse)
{
if (this.ChartPaneMouseEvent!=null)
{
var sample = MapXToSample(mouse.X);
var value = MapPaneYToValue(senderPane, mouse.Y);
var args = new ChartPaneMouseEventArgs(et, this, senderPane, mouse, sample, value);
ChartPaneMouseEvent(this, args);
}
}
/// <summary>
/// Maps mouse Y coordinate per pane's vertical scale value
/// </summary>
public float MapPaneYToValue(PlotPane pane, int y)
{
if (pane==null) throw new WFormsException(StringConsts.ARGUMENT_ERROR+"MapPaneYToValue(pane==null)");
if (pane.Chart!=this) throw new WFormsException(StringConsts.ARGUMENT_ERROR+"MapPaneYToValue(pane.Chart!=this)");
var pp = (pane.VRulerMaxScale - pane.VRulerMinScale) / (float)(pane.Height==0? 1 : pane.Height);
return pane.VRulerMaxScale - (y * pp);
}
private void buildPanesCore()
{
if (m_Series == null || m_NeedRebuildPanes)
{
foreach (var ctl in m_Panes)
{
m_ChartPanel.Controls.Remove(ctl);
ctl.Dispose();
}
m_Panes.Clear();
//todo ubit shkalu X vnizy
if (m_Series == null)
{
return;
}
}
var paneNames = m_Series.GetPaneNames().ToArray();
//1. Delete panes that are no longer in series
var toDelete = m_Panes.Select(p => p.Name).Except(paneNames);
foreach (var pn in toDelete)
{
var ctl = m_Panes[pn];
if (ctl != null)
{
m_Panes.Unregister(ctl);
m_ChartPanel.Controls.Remove(ctl);
ctl.Dispose();
}
}
var totPanes = paneNames.Length;
var i = 0;
int controlHeight = m_ChartPanel.Height;
PlotPane lastPane = null;
//2. Add panes
foreach (var pn in paneNames.Reverse())
{
var pane = m_Panes[pn];
if (pane != null)
{
pane.UpdateZoom(m_Zoom);
pane.DeleteAllElements(); //Clear the pane
if (lastPane == null)
{
lastPane = pane;
}
continue; //pane already exists
}
//Add pane
pane = new PlotPane(this, pn, m_Panes.Count + 1);
pane.TabStop = false;
pane.Cursor = Cursors.Cross;
pane.Height = (int)(controlHeight * GetPaneVProportion(pn));
SetPaneVProportion(pn, pane.Height / (float)(controlHeight > 0 ? controlHeight : 1));
pane.Parent = m_ChartPanel;
pane.UpdateZoom(m_Zoom);
pane.Dock = DockStyle.Top;
lastPane = pane;
//ctl.BackColor = Color.HotPink;
m_Panes.Register(pane);
if (i < totPanes - 1)
{
// Build splitter
// pane.Dock = DockStyle.Top;
if (pane.m_Splitter != null)
{
continue;
}
pane.m_Splitter = new Splitter
{
Parent = m_ChartPanel,
Dock = DockStyle.Top,
Height = SPLITTER_HEIGHT,
BackColor = SplitterStyle.BGColor,
BorderStyle = BorderStyle.FixedSingle
};
//this.Controls.SetChildIndex(pane.m_Splitter, this.Controls.GetChildIndex(pane));
//todo Splitter moving - suspend update?
pane.m_Splitter.SplitterMoved += delegate(object sender, SplitterEventArgs e)
{
this.NotifySeriesChange(false);
int height = m_ChartPanel.Height;
foreach (var p in m_Panes)
{
SetPaneVProportion(p.Name, p.Height / (float)(height > 0 ? height : 1));
}
};
}
}
// This must be the last Dock command
if (lastPane != null)
{
lastPane.Dock = DockStyle.Fill;
}
}
protected override Elements.Element MakeSampleElement(TimeSeriesChart chart, PlotPane pane, CandleSample sample, int x, float minScale, float maxScale)
{
return null;
}
protected override Element MakeSeriesElement(TimeSeriesChart chart,
PlotPane pane,
IEnumerable<CandleSample> data,
int xStart,
float minScale,
float maxScale,
int maxSampleWidth,
out int fitSamplesCount)
{
var points = new List<Point>();
var pxTotalHeight = (int)(pane.Height / pane.Zoom);
var pxPrice = (float)pxTotalHeight / (maxScale - minScale);
fitSamplesCount = 0;
var x = xStart+(maxSampleWidth / 2);
var xcutof = chart.VRulerPosition == VRulerPosition.Right ? pane.Width - 1 - chart.VRulerWidth : pane.Width;
foreach(var candle in data)
{
var midPrice = MidLineType==Temporal.MidLineType.HighLow ?
(candle.LowPrice + ((candle.HighPrice - candle.LowPrice) / 2f)) :
(Math.Min(candle.OpenPrice, candle.ClosePrice) + (Math.Abs(candle.OpenPrice - candle.ClosePrice) / 2f));
var y = pxTotalHeight - (int)((midPrice-minScale) * pxPrice);
points.Add( new Point(x, y));
x += maxSampleWidth;
x++;
if ((x*pane.Zoom)>=xcutof) break;
fitSamplesCount++;
}
return new CandleMidLineElement(this, pane, points.ToArray());
}
/// <summary> /// Override to build elements that render the data by adding drawable elements to the chart. /// Returns how many samples could fit /// </summary> public abstract int BuildElements(TimeSeriesChart chart, PlotPane pane, TimeSeries series, int maxSampleWidth);
protected override Elements.Element MakeSampleElement(TimeSeriesChart chart, PlotPane pane, CandleSample sample, int x, float minScale, float maxScale)
{
return(new CandleBuySellElement(this, pane, sample, x, minScale, maxScale));
}
/// <summary> /// Override to build elements that render the data by adding drawable elements to the chart. /// Returns how many samples could fit /// </summary> public abstract int BuildElements(TimeSeriesChart chart, PlotPane pane, TimeSeries series, int maxSampleWidth);
protected override Elements.Element MakeSampleElement(TimeSeriesChart chart, PlotPane pane, CandleSample sample, int x, float minScale, float maxScale)
{
return(null);
}
private void buildPanesCore()
{
if (m_Series == null || m_NeedRebuildPanes)
{
foreach (var ctl in m_Panes)
{
this.Controls.Remove(ctl);
ctl.Dispose();
}
m_Panes.Clear();
//todo ubit shkalu X vnizy
if (m_Series == null)
{
return;
}
}
var paneNames = m_Series.GetPaneNames().ToArray();
//1. Delete panes that are no longer in series
var toDelete = m_Panes.Select(p => p.Name).Except(paneNames);
foreach (var pn in toDelete)
{
var ctl = m_Panes[pn];
if (ctl != null)
{
m_Panes.Unregister(ctl);
this.Controls.Remove(ctl);
ctl.Dispose();
}
}
//2. Add panes
foreach (var pn in paneNames.Reverse())
{
var ctl = m_Panes[pn];
if (ctl != null)
{
ctl.UpdateZoom(m_Zoom);
ctl.DeleteAllElements(); //Clear the pane
continue; //pane already exists
}
//Add pane
ctl = new PlotPane(this, pn, m_Panes.Count + 1);
ctl.TabStop = false;
ctl.Cursor = Cursors.Cross;
ctl.Height = (int)(this.Height * GetPaneVProportion(pn));
SetPaneVProportion(pn, ctl.Height / (float)(this.Height > 0 ? this.Height : 1));
ctl.Parent = this;
ctl.Dock = DockStyle.Top;
ctl.UpdateZoom(m_Zoom);
//ctl.BackColor = Color.HotPink;
m_Panes.Register(ctl);
}
//3. Build splitters
var ilast = m_Panes.Count() - 1;
for (var i = 0; i <= ilast; i++)
{
var pane = m_Panes[i];
{
// pane.Dock = DockStyle.Top;
if (pane.m_Splitter == null)
{
pane.m_Splitter = new Splitter();
pane.m_Splitter.Parent = this;
this.Controls.SetChildIndex(pane.m_Splitter, this.Controls.GetChildIndex(pane));
pane.m_Splitter.Dock = DockStyle.Top;
pane.m_Splitter.Height = SPLITTER_HEIGHT;
pane.m_Splitter.BackColor = Color.Silver;
pane.m_Splitter.BorderStyle = BorderStyle.FixedSingle;
//todo Splitter moving - suspend update?
pane.m_Splitter.SplitterMoved += delegate(object sender, SplitterEventArgs e)
{
this.NotifySeriesChange(false);
foreach (var p in m_Panes)
{
SetPaneVProportion(p.Name, p.Height / (float)(this.Height > 0 ? this.Height : 1));
}
};
}
}
}
}
public override void BuildElements(Chart chart, PlotPane pane, Series series)
{
var cdata = series as CandleTimeSeries;
if (cdata==null) throw new WFormsException("CandleView requires CandleTimeSeries source");
var drawData = getDataPerScroll(cdata);
if (!drawData.Any()) return;//nothing to draw
float minScale;
float maxScale;
calcMinMaxScale(drawData, out minScale, out maxScale);
m_MinScale = minScale;
m_MaxScale = maxScale;
pane.SetMinMaxScale(minScale, maxScale, true);
var x = 0;
foreach(var candle in cdata.Data)
{
if (x > pane.Width) break;
var elm = new CandleElement(pane, candle, x, minScale, maxScale);
elm.Visible = true;
x += elm.Width;
x++;//margin
}
}
