/// <summary>
/// Updates the combobox select
/// </summary>
private async void getAllLinesAsync()
{
var model = new UserlineModel(stock);
Task <List <UserLines> > task = Task.Run(() => model.getAllUserlines());
var userlines = await task;
this.userlines = userlines;
}
/// <summary>
/// Deletes all lines drawn by the user
/// </summary>
private void btnLinesDeleteAll_Click(object sender, EventArgs e)
{
UserlineModel model = new UserlineModel(stock);
model.deleteAllUserlines();
refreshChartAsync(stock.symbol);
pointNr = 1;
lastPoint = null;
}
/// <summary>
/// Deletes all trend lines
/// </summary>
private void deleteLinesToolStripMenuItem_Click(object sender, EventArgs e)
{
Cursor = Cursors.AppStarting;
UserlineModel model = new UserlineModel(stock);
model.deleteAllUserlines();
refreshChartAsync(stock.symbol);
pointNr = 1;
lastPoint = null;
resetAttributes();
}
/// <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>
/// Draws single line
/// </summary>
private async void drawSingleLineAsync(MouseEventArgs e)
{
mousePosX = chartStock.ChartAreas[0].AxisX.PixelPositionToValue(e.Location.X);
mousePosY = chartStock.ChartAreas[0].AxisY.PixelPositionToValue(e.Location.Y);
currentPoint = new DataPoint(mousePosX, mousePosY);
chartStock.Series.Add("Point_" + pointNr);
chartStock.Series["Point_" + pointNr].Points.Add(currentPoint);
chartStock.Series["Point_" + pointNr].ChartType = SeriesChartType.Point;
chartStock.Series["Point_" + pointNr].Color = lineColor;
if (pointNr % 2 == 0 && (currentPoint != null && lastPoint != null))
{
chartStock.Series.Add("Line" + pointNr);
chartStock.Series["Line" + pointNr].Points.Add(lastPoint);
chartStock.Series["Line" + pointNr].Points[0].MarkerSize = (int)(lineThickness * 2);
chartStock.Series["Line" + pointNr].Points[0].MarkerStyle = MarkerStyle.Circle;
chartStock.Series["Line" + pointNr].Points.Add(currentPoint);
chartStock.Series["Line" + pointNr].Points[1].MarkerSize = (int)(lineThickness * 2);
chartStock.Series["Line" + pointNr].Points[1].MarkerStyle = MarkerStyle.Circle;
chartStock.Series["Line" + pointNr].ChartType = SeriesChartType.Line;
chartStock.Series["Line" + pointNr].Color = lineColor;
chartStock.Series["Line" + pointNr].BorderWidth = lineThickness;
UserlineModel ulModel = new UserlineModel(stock, lineColor, lineThickness);
Task <UserLines> task = Task.Run(() => ulModel.insertUserline(lastPoint, currentPoint));
var line = await task;
if (line != null)
{
chartStock.Series["Line" + pointNr].Tag = line;
createNewTrendlineToolStripMenuItem.Checked = false;
splitMain.Panel2Collapsed = true;
DrawingAllowed = false;
btnLineSubmitChanges.Visible = false;
resetAttributes();
}
getAllLinesAsync();
}
lastPoint = currentPoint;
pointNr++;
}
/// <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>
/// Draws trend lines asynchronously
/// </summary>
private async void drawLinesAsync()
{
mainForm.notifyUser(FrmMain.NotifyType.PrepareMessage, "Userlines werden geladen...");
var model = new UserlineModel(stock);
Task <List <UserLines> > task = Task.Run(() => model.getAllUserlines());
var userlines = await task;
if (userlines != null)
{
foreach (var userline in userlines)
{
var pointStart = new DataPoint(userline.TimePoint1, userline.PricePoint1);
var pointEnd = new DataPoint(userline.TimePoint2, userline.PricePoint2);
var color = ColorTranslator.FromHtml(userline.LineColor);
var line = new Series("Line_" + pointNr);
line.ChartType = SeriesChartType.Line;
line.BorderWidth = (int)userline.Thickness;
line.Color = color;
line.Tag = userline;
line.Points.Add(pointStart);
line.Points[0].MarkerSize = (int)(userline.Thickness * 2);
line.Points[0].MarkerStyle = MarkerStyle.Circle;
line.Points.Add(pointEnd);
line.Points[1].MarkerSize = (int)(userline.Thickness * 2);
line.Points[1].MarkerStyle = MarkerStyle.Circle;
chartStock.Series.Add(line);
pointNr += 2;
}
}
mainForm.notifyUser(FrmMain.NotifyType.StatusMessage, "Bereit");
}
