/// <summary>
/// When user click on the chart element, check if userline was selected
/// </summary>
private void testUserlineClick()
{
splitMain.Panel2Collapsed = true;
selectedSeries = null;
selectedLine = null;
DrawingAllowed = false;
if (userlines != null)
{
var pos = currentMouseLocation;
var results = chartStock.HitTest(pos.Value.X, pos.Value.Y, false, ChartElementType.DataPoint);
foreach (var result in results)
{
if (result.ChartElementType == ChartElementType.DataPoint && result.Series.Name.Contains("Line"))
{
selectedSeries = result.Series;
var item = (UserLines)result.Series.Tag;
DrawingAllowed = true;
selectedLine = item;
createUserlineInfobox(selectedLine);
btnLineSubmitChanges.Visible = true;
result.Series.BorderWidth = (int)item?.Thickness;
}
}
chartStock.Invalidate();
}
}
/// <summary>
/// Deletes the selected userline
/// </summary>
public void deleteUserline(UserLines selectedLine)
{
if (ConnectionState == true)
{
var query = db.UserLines.Single(x => x.LineID == selectedLine.LineID);
db.UserLines.DeleteOnSubmit(query);
db.SubmitChanges();
}
}
/// <summary>
/// Opens the infobox and replaces fields with selected user line
/// </summary>
private void createUserlineInfobox(UserLines line)
{
splitMain.Panel2Collapsed = false;
tbLineThickness.Value = (line?.Thickness >= 1) ? Convert.ToInt16(line?.Thickness) : 1;
lineThickness = tbLineThickness.Value;
lblLineThickness.Text = "Breite : " + tbLineThickness.Value;
btnLinecolor.BackColor = ColorTranslator.FromHtml(line?.LineColor);
lineColor = btnLinecolor.BackColor;
btnDeleteLine.Visible = true;
}
/// <summary>
/// Deletes selected user line asynchronously
/// </summary>
private async void btnDeleteLine_Click(object sender, EventArgs e)
{
if (selectedLine != null)
{
mainForm.notifyUser(FrmMain.NotifyType.PrepareMessage, "Linie wird gelöscht...");
var model = new UserlineModel(stock);
Task task = Task.Run(() => model.deleteUserline(selectedLine));
await task;
refreshChartAsync(stock.symbol);
mainForm.notifyUser(FrmMain.NotifyType.StatusMessage, "Bereit");
btnLineSubmitChanges.Visible = false;
}
selectedLine = null;
}
/// <summary>
/// Updates the selected userline - NOT WORKING
/// </summary>
public void updateUserline(UserLines selectedLine = null)
{
if (ConnectionState == true && selectedLine != null)
{
var query = db.UserLines.Single(x => x.LineID == selectedLine.LineID);
if (query != null)
{
query.TimePoint1 = selectedLine.TimePoint1;
query.TimePoint2 = selectedLine.TimePoint2;
query.PricePoint1 = selectedLine.PricePoint1;
query.PricePoint2 = selectedLine.PricePoint2;
query.LineColor = selectedLine.LineColor;
query.Thickness = selectedLine.Thickness;
db.SubmitChanges();
}
}
}
/// <summary>
/// Updates selected user line asynchronously
/// </summary>
private async void btnLineSubmitChanges_Click(object sender, EventArgs e)
{
if (selectedLine != null)
{
mainForm.notifyUser(FrmMain.NotifyType.PrepareMessage, "Linie wird aktualisiert...");
selectedLine.Thickness = (short)lineThickness;
selectedLine.LineColor = ColorTranslator.ToHtml(lineColor);
var model = new UserlineModel(stock);
Task task = Task.Run(() => model.updateUserline(selectedLine));
await task;
refreshChartAsync(stock.symbol);
mainForm.notifyUser(FrmMain.NotifyType.StatusMessage, "Bereit");
btnLineSubmitChanges.Visible = false;
}
selectedLine = null;
}
/// <summary>
/// Inserts a new userline for the selected userline
/// </summary>
public UserLines insertUserline(DataPoint p1, DataPoint p2)
{
UserLines result = null;
if (ConnectionState == true)
{
var newItem = new UserLines
{
StocksMapID = stock.StocksMapID,
PricePoint1 = p1.YValues[0],
PricePoint2 = p2.YValues[0],
TimePoint1 = p1.XValue,
TimePoint2 = p2.XValue,
LineColor = ColorTranslator.ToHtml(lineColor),
Thickness = Convert.ToSByte(lineThickness),
};
db.UserLines.InsertOnSubmit(newItem);
db.SubmitChanges();
result = newItem;
}
return(result);
}
private void resetAttributes()
{
selectedSeries = null;
selectedDot = null;
selectedLine = null;
}
/// <summary>
/// Creates tooltip or crosshair
/// </summary>
private void chartStock_MouseMove(object sender, MouseEventArgs e)
{
if ((crosshairToolStripMenuItem.Checked || tooltipToolStripMenuItem.Checked) &&
currentMouseLocation != e.Location && e.X > 0 && e.Y > 0 &&
e.X < (chartStock.Width - 1))
{
tooltip.RemoveAll();
currentMouseLocation = e.Location;
if (selectedSeries != null && selectedDot != null)
{
double dateOLE = chartStock.ChartAreas[0].AxisX.PixelPositionToValue(e.X);
double price = chartStock.ChartAreas[0].AxisY.PixelPositionToValue(e.Y);
int index = selectedSeries.Points.IndexOf(selectedDot);
if (index >= 0)
{
selectedSeries.Points[index].XValue = dateOLE;
selectedSeries.Points[index].YValues[0] = price;
var currentItem = (UserLines)selectedSeries.Tag;
if (index == 0)
{
currentItem.TimePoint1 = dateOLE;
currentItem.PricePoint1 = price;
}
else if (index == 1)
{
currentItem.TimePoint2 = dateOLE;
currentItem.PricePoint2 = price;
}
selectedLine = currentItem;
selectedSeries.Tag = selectedLine;
}
chartStock.Invalidate();
}
else if (!DrawingAllowed)
{
double dateOLE = chartStock.ChartAreas[0].AxisX.PixelPositionToValue(e.X);
if (!double.IsInfinity(dateOLE))
{
double cursorX = Math.Round(dateOLE, 0);
double cursorY = .0;
decimal price = 0;
decimal volume = 0;
if (seriesDict.ContainsKey(cursorX) && seriesDict[cursorX] != null)
{
cursorY = (double)seriesDict[cursorX].Close;
price = seriesDict[cursorX].Close;
volume = seriesDict[cursorX].Volume;
}
if (crosshairToolStripMenuItem.Checked)
{
double verticalLinePos = chartStock.ChartAreas[0].AxisY.ValueToPixelPosition(cursorY);
chartStock.ChartAreas[0].CursorX.SetCursorPixelPosition(new Point(e.X, e.Y), true);
chartStock.ChartAreas[1].CursorX.SetCursorPixelPosition(new Point(e.X, e.Y), true);
chartStock.ChartAreas[0].CursorY.SetCursorPixelPosition(new Point(e.X, (int)verticalLinePos), true);
}
if (tooltipToolStripMenuItem.Checked)
{
var toolTipText = String.Format(Math.Round(price, 2) + " " + currencySymbol
+ Environment.NewLine + "Volumen: " + String.Format("{0:#,#,0}", volume)
+ Environment.NewLine + DateTime.FromOADate(dateOLE).ToShortDateString());
tooltip.Show(toolTipText, chartStock, e.Location.X + 10, e.Location.Y - 15);
}
}
}
}
}
