public override void OnCalculateMinMax()
{
MinValue = double.MaxValue;
MaxValue = double.MinValue;
if (!IsVisible)
{
return;
}
if (ChartAnchors.Any(a => !a.IsEditing))
{
foreach (ChartAnchor ca in ChartAnchors)
{
MinValue = Math.Min(MinValue, ca.Price);
MaxValue = Math.Max(MaxValue, ca.Price);
}
}
}
public override bool IsVisibleOnChart(ChartControl chartControl, ChartScale chartScale, DateTime firstTimeOnChart, DateTime lastTimeOnChart)
{
if (DrawingState == DrawingState.Building)
{
return(true);
}
float minX = float.MaxValue;
float maxX = float.MinValue;
ChartPanel chartPanel = chartControl.ChartPanels[PanelIndex];
foreach (Point pt in ChartAnchors.Select(a => a.GetPoint(chartControl, chartPanel, chartScale)))
{
minX = (float)Math.Min(minX, pt.X);
maxX = (float)Math.Max(maxX, pt.X);
}
DateTime leftWidthTime = chartControl.GetTimeByX((int)minX);
DateTime rightWidthTime = chartControl.GetTimeByX((int)maxX);
return(leftWidthTime <= lastTimeOnChart && rightWidthTime >= firstTimeOnChart);
}
public override void OnMouseDown(ChartControl chartControl, ChartPanel chartPanel, ChartScale chartScale, ChartAnchor dataPoint)
{
Point p = dataPoint.GetPoint(chartControl, chartPanel, chartScale);
switch (DrawingState)
{
case DrawingState.Building:
if (ChartAnchors.Count == 0)
{
ChartAnchors.Add(new ChartAnchor {
DisplayName = Custom.Resource.NinjaScriptDrawingToolAnchor, IsEditing = true, DrawingTool = this
});
}
foreach (ChartAnchor ca in ChartAnchors)
{
if (ca.IsEditing)
{
dataPoint.CopyDataValues(ca);
ca.IsEditing = false;
}
}
ChartAnchor clickTestAnchor = GetClosestAnchor(chartControl, chartPanel, chartScale, cursorSensitivity, p);
if (ChartAnchors.Count > 1 && doubleClickTimer.IsEnabled && clickTestAnchor != null && clickTestAnchor != ChartAnchors[ChartAnchors.Count - 1])
{
// ChartAnchors[ChartAnchors.Count - 1] is the 'temp anchor'
ChartAnchors.Remove(ChartAnchors[ChartAnchors.Count - 1]);
PathToolSegments.Remove(PathToolSegments[PathToolSegments.Count - 1]);
doubleClickTimer.Stop();
DrawingState = DrawingState.Normal;
IsSelected = false;
}
else
{
ChartAnchor ca = new ChartAnchor {
DisplayName = Custom.Resource.NinjaScriptDrawingToolAnchor, IsEditing = true, DrawingTool = this
};
dataPoint.CopyDataValues(ca);
ChartAnchors.Add(ca);
if (ChartAnchors.Count > 1)
{
PathToolSegments.Add(new PathToolSegment(ChartAnchors[ChartAnchors.Count - 2], ChartAnchors[ChartAnchors.Count - 1], string.Format("{0} {1}", Custom.Resource.NinjaScriptDrawingToolPathSegment, PathToolSegments.Count + 1)));
if (!doubleClickTimer.IsEnabled)
{
doubleClickTimer.Start();
}
}
}
break;
case DrawingState.Normal:
editingAnchor = GetClosestAnchor(chartControl, chartPanel, chartScale, cursorSensitivity, p);
if (editingAnchor != null)
{
editingAnchor.IsEditing = true;
DrawingState = DrawingState.Editing;
}
else
{
if (GetCursor(chartControl, chartPanel, chartScale, p) != null)
{
DrawingState = DrawingState.Moving;
}
}
break;
}
}
public override void OnMouseDown(ChartControl chartControl, ChartPanel chartPanel, ChartScale chartScale, ChartAnchor dataPoint)
{
Point p = dataPoint.GetPoint(chartControl, chartPanel, chartScale);
switch (DrawingState)
{
case DrawingState.Building:
if (ChartAnchors.Count == 0)
{
ChartAnchors.Add(new ChartAnchor {
DisplayName = Custom.Resource.NinjaScriptDrawingToolAnchor, IsEditing = true, DrawingTool = this
});
}
foreach (ChartAnchor ca in ChartAnchors)
{
if (ca.IsEditing)
{
dataPoint.CopyDataValues(ca);
ca.IsEditing = false;
}
}
if (ChartAnchors.Count > 2 && (GetCursor(chartControl, chartPanel, chartScale, p) == Cursors.Cross || DateTime.Now.Subtract(lastClick).TotalMilliseconds <= 200))
{
ChartAnchors.Remove(ChartAnchors[ChartAnchors.Count - 1]);
DrawingState = DrawingState.Normal;
IsSelected = false;
}
else
{
ChartAnchor ca = new ChartAnchor {
DisplayName = Custom.Resource.NinjaScriptDrawingToolAnchor, IsEditing = true, DrawingTool = this
};
dataPoint.CopyDataValues(ca);
ChartAnchors.Add(ca);
}
lastClick = DateTime.Now;
break;
case DrawingState.Normal:
editingAnchor = GetClosestAnchor(chartControl, chartPanel, chartScale, cursorSensitivity, p);
if (editingAnchor != null)
{
editingAnchor.IsEditing = true;
DrawingState = DrawingState.Editing;
}
else
{
if (GetCursor(chartControl, chartPanel, chartScale, p) != null)
{
DrawingState = DrawingState.Moving;
}
else if (!IsPointInsidePolygon(chartControl, chartPanel, chartScale, p))
{
IsSelected = false;
}
}
break;
}
}
