public override void OnRestoreValues()
{
bool restored = false;
if (NotesSerializable != null)
{
foreach (string note in NotesSerializable)
{
string[] noteVal = note.Split(';');
double price;
if (double.TryParse(noteVal[0], NumberStyles.Any, CultureInfo.InvariantCulture, out price))
{
PriceStringValues.AddOrUpdate(price, noteVal[1], (key, old) => noteVal[1]);
restored = true;
}
}
}
if (restored)
{
OnPropertyChanged();
}
}
protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Name = NinjaTrader.Custom.Resource.NinjaScriptSuperDomColumnNotes;
Description = NinjaTrader.Custom.Resource.NinjaScriptSuperDomColumnDescriptionNotes;
DefaultWidth = 160;
PreviousWidth = -1;
IsDataSeriesRequired = false;
BackColor = Application.Current.TryFindResource("brushPriceColumnBackground") as Brush;
ForeColor = Application.Current.TryFindResource("FontControlBrush") as Brush;
NotesSerializable = new List <string>();
PriceStringValues = new ConcurrentDictionary <double, string>();
}
else if (State == State.Configure)
{
if (UiWrapper != null && PresentationSource.FromVisual(UiWrapper) != null)
{
Matrix m = PresentationSource.FromVisual(UiWrapper).CompositionTarget.TransformToDevice;
double dpiFactor = 1 / m.M11;
gridPen = new Pen(Application.Current.TryFindResource("BorderThinBrush") as Brush, 1 * dpiFactor);
halfPenWidth = gridPen.Thickness * 0.5;
}
tbNotes = new TextBox {
Margin = new Thickness(0),
VerticalAlignment = VerticalAlignment.Top,
Visibility = Visibility.Hidden
};
SetBindings();
tbNotes.LostKeyboardFocus += (o, args) =>
{
if (currentEditingPrice != -1.0 && tbNotes.Visibility == Visibility.Visible)
{
SetAndSaveNote();
tbNotes.Text = string.Empty;
currentEditingPrice = -1.0;
tbNotes.Visibility = Visibility.Hidden;
OnPropertyChanged();
}
};
tbNotes.KeyDown += (o, args) =>
{
if (args.Key == Key.Enter || args.Key == Key.Tab)
{
SetAndSaveNote();
tbNotes.Text = string.Empty;
currentEditingPrice = -1.0;
tbNotes.Visibility = Visibility.Hidden;
OnPropertyChanged();
}
else if (args.Key == Key.Escape)
{
currentEditingPrice = -1.0;
tbNotes.Visibility = Visibility.Hidden;
OnPropertyChanged();
}
};
}
else if (State == State.Active)
{
foreach (PriceRow row in SuperDom.Rows)
{
PriceStringValues.AddOrUpdate(row.Price, string.Empty, (key, oldValue) => oldValue);
}
}
else if (State == State.Terminated)
{
if (UiWrapper != null)
{
UiWrapper.Children.Remove(tbNotes);
UiWrapper.InputBindings.Remove(doubleClickMouseBinding);
UiWrapper.CommandBindings.Remove(displayTextBoxCommandBinding);
}
}
}
protected override void OnRender(DrawingContext dc, double renderWidth)
{
// This may be true if the UI for a column hasn't been loaded yet (e.g., restoring multiple tabs from workspace won't load each tab until it's clicked by the user)
if (gridPen == null)
{
if (UiWrapper != null && PresentationSource.FromVisual(UiWrapper) != null)
{
Matrix m = PresentationSource.FromVisual(UiWrapper).CompositionTarget.TransformToDevice;
double dpiFactor = 1 / m.M11;
gridPen = new Pen(Application.Current.TryFindResource("BorderThinBrush") as Brush, 1 * dpiFactor);
halfPenWidth = gridPen.Thickness * 0.5;
}
}
columnWidth = renderWidth;
gridHeight = -gridPen.Thickness;
double verticalOffset = -gridPen.Thickness;
// If SuperDom scrolls so that editing price goes off the grid, hide the textbox until the editing price is visible again
if (SuperDom.IsConnected)
{
if (tbNotes.Visibility == Visibility.Visible && SuperDom.Rows.All(r => r.Price != currentEditingPrice))
{
tbNotes.Visibility = Visibility.Hidden;
}
if (tbNotes.Visibility == Visibility.Hidden && SuperDom.Rows.Any(r => r.Price == currentEditingPrice))
{
tbNotes.Visibility = Visibility.Visible;
}
}
lock (SuperDom.Rows)
foreach (PriceRow row in SuperDom.Rows)
{
// Add new prices if needed to the dictionary as the user scrolls
PriceStringValues.AddOrUpdate(row.Price, string.Empty, (key, oldValue) => oldValue);
// If textbox is open, move it when the SuperDom scrolls
if (tbNotes.Visibility == Visibility.Visible && row.Price == currentEditingPrice)
{
if (SuperDom.Rows.IndexOf(row) != gridIndex)
{
gridIndex = SuperDom.Rows.IndexOf(row);
double tbOffset = gridIndex * SuperDom.ActualRowHeight;
tbNotes.Margin = new Thickness(0, tbOffset, 0, 0);
}
}
// Draw cell
if (renderWidth - halfPenWidth >= 0)
{
Rect rect = new Rect(-halfPenWidth, verticalOffset, renderWidth - halfPenWidth, SuperDom.ActualRowHeight);
// Create a guidelines set
GuidelineSet guidelines = new GuidelineSet();
guidelines.GuidelinesX.Add(rect.Left + halfPenWidth);
guidelines.GuidelinesX.Add(rect.Right + halfPenWidth);
guidelines.GuidelinesY.Add(rect.Top + halfPenWidth);
guidelines.GuidelinesY.Add(rect.Bottom + halfPenWidth);
dc.PushGuidelineSet(guidelines);
dc.DrawRectangle(BackColor, null, rect);
dc.DrawLine(gridPen, new Point(-gridPen.Thickness, rect.Bottom), new Point(renderWidth - halfPenWidth, rect.Bottom));
dc.DrawLine(gridPen, new Point(rect.Right, verticalOffset), new Point(rect.Right, rect.Bottom));
// Print note value - remember to set MaxTextWidth so text doesn't spill into another column
string note;
if (PriceStringValues.TryGetValue(row.Price, out note) && !string.IsNullOrEmpty(PriceStringValues[row.Price]))
{
fontFamily = SuperDom.Font.Family;
typeFace = new Typeface(fontFamily, SuperDom.Font.Italic ? FontStyles.Italic : FontStyles.Normal, SuperDom.Font.Bold ? FontWeights.Bold : FontWeights.Normal, FontStretches.Normal);
if (renderWidth - 6 > 0)
{
FormattedText noteText = new FormattedText(note, Core.Globals.GeneralOptions.CurrentCulture, FlowDirection.LeftToRight, typeFace, SuperDom.Font.Size, ForeColor)
{
MaxLineCount = 1, MaxTextWidth = renderWidth - 6, Trimming = TextTrimming.CharacterEllipsis
};
dc.DrawText(noteText, new Point(0 + 4, verticalOffset + (SuperDom.ActualRowHeight - noteText.Height) / 2));
}
}
dc.Pop();
verticalOffset += SuperDom.ActualRowHeight;
gridHeight += SuperDom.ActualRowHeight;
}
}
}
