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170 | using cAlgo.API;
namespace cAlgo
{
// This sample indicator display's the chart data by using the current Chart object
[Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
public class ChartSample : Indicator
{
private Grid _grid;
private TextBlock _mouseLocationTextBlock;
private TextBlock _mouseWheelDeltaTextBlock;
private TextBlock _objectsNumberTextBlock;
protected override void Initialize()
{
Chart.ChartTypeChanged += args => CreateAndAddGridToChart();
Chart.ColorsChanged += args => CreateAndAddGridToChart();
Chart.DisplaySettingsChanged += args => CreateAndAddGridToChart();
Chart.Drag += args => CreateAndAddGridToChart();
Chart.DragEnd += args => CreateAndAddGridToChart();
Chart.DragStart += args => CreateAndAddGridToChart();
Chart.IndicatorAreaAdded += args => CreateAndAddGridToChart();
Chart.IndicatorAreaRemoved += args => CreateAndAddGridToChart();
Chart.MouseMove += args =>
{
if (_mouseLocationTextBlock == null)
return;
_mouseLocationTextBlock.Text = string.Format("({0}, {1})", args.MouseX, args.MouseY);
};
Chart.MouseLeave += args =>
{
if (_mouseLocationTextBlock == null)
return;
_mouseLocationTextBlock.Text = "(Null, Null)";
_mouseWheelDeltaTextBlock.Text = "0";
};
Chart.MouseWheel += args =>
{
if (_mouseWheelDeltaTextBlock == null)
return;
_mouseWheelDeltaTextBlock.Text = args.Delta.ToString();
};
Chart.ObjectsAdded += args => _objectsNumberTextBlock.Text = Chart.Objects.Count.ToString();
Chart.ObjectsRemoved += args => _objectsNumberTextBlock.Text = Chart.Objects.Count.ToString();
Chart.ZoomChanged += args => CreateAndAddGridToChart();
CreateAndAddGridToChart();
}
public override void Calculate(int index)
{
}
private void CreateAndAddGridToChart()
{
if (_grid != null)
Chart.RemoveControl(_grid);
_grid = new Grid(10, 2)
{
BackgroundColor = Color.Gold,
Opacity = 0.6,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Bottom
};
var style = new Style();
style.Set(ControlProperty.Margin, 5);
style.Set(ControlProperty.FontWeight, FontWeight.ExtraBold);
style.Set(ControlProperty.ForegroundColor, Color.Red);
_grid.AddChild(new TextBlock
{
Text = "Height",
Style = style
}, 0, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.Height.ToString(),
Style = style
}, 0, 1);
_grid.AddChild(new TextBlock
{
Text = "Width",
Style = style
}, 1, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.Width.ToString(),
Style = style
}, 1, 1);
_grid.AddChild(new TextBlock
{
Text = "Zoom Level",
Style = style
}, 2, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.ZoomLevel.ToString(),
Style = style
}, 2, 1);
_grid.AddChild(new TextBlock
{
Text = "Objects #",
Style = style
}, 3, 0);
_objectsNumberTextBlock = new TextBlock
{
Style = style,
Text = Chart.Objects.Count.ToString()
};
_grid.AddChild(_objectsNumberTextBlock, 3, 1);
_grid.AddChild(new TextBlock
{
Text = "Top Y",
Style = style
}, 4, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.TopY.ToString(),
Style = style
}, 4, 1);
_grid.AddChild(new TextBlock
{
Text = "Bottom Y",
Style = style
}, 5, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.BottomY.ToString(),
Style = style
}, 5, 1);
_grid.AddChild(new TextBlock
{
Text = "Type",
Style = style
}, 6, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.ChartType.ToString(),
Style = style
}, 6, 1);
_grid.AddChild(new TextBlock
{
Text = "Mouse Location",
Style = style
}, 7, 0);
_mouseLocationTextBlock = new TextBlock
{
Style = style,
Text = "(Null, Null)"
};
_grid.AddChild(_mouseLocationTextBlock, 7, 1);
_grid.AddChild(new TextBlock
{
Text = "Indicator Areas #",
Style = style
}, 8, 0);
_grid.AddChild(new TextBlock
{
Text = Chart.IndicatorAreas.Count.ToString(),
Style = style
}, 8, 1);
_grid.AddChild(new TextBlock
{
Text = "Mouse Wheel Delta",
Style = style
}, 9, 0);
_mouseWheelDeltaTextBlock = new TextBlock
{
Style = style,
Text = "0"
};
_grid.AddChild(_mouseWheelDeltaTextBlock, 9, 1);
Chart.AddControl(_grid);
}
}
}
|