void InitialiseChart()
{
// if chart was added previously, remove it from the view before constructing it with new values
if (chart != null)
{
chart.RemoveFromSuperview();
}
chart = new IGChartView(View.Bounds);
chart.AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth;
chart.Theme = IGChartGradientThemes.IGThemeDark();
View.Add(chart);
}
public override string ResolveLabelForAxis(IGChartView chartView, IGAxis axis, NSObject item)
{
if (axis.Key.Equals("yAxis"))
{
var num = (NSNumber)item;
return(string.Format("{0:C0}", num.DoubleValue));
}
else
{
var point = (IGCategoryDatePoint)item;
return(point.Label);
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
_chart = new IGChartView(new RectangleF(this.View.Frame.X, 30, this.View.Frame.Width, this.View.Frame.Height - 40));
_chart.Delegate = new CustomDelegate();
_chart.AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth;
var xAxis = new IGCategoryXAxis("xAxis");
var yAxis = new IGNumericYAxis("yAxis");
_chart.AddAxis(xAxis);
_chart.AddAxis(yAxis);
yAxis.Minimum = 0;
var columnSeries = new IGAreaSeries("columnSeries");
columnSeries.XAxis = xAxis;
columnSeries.YAxis = yAxis;
SetDataSourceOnSeries(columnSeries);
_chart.AddSeries(columnSeries);
ViewModel.DataPoints.Changed.ObserveOn(RxApp.MainThreadScheduler).Subscribe(p => SetDataSourceOnSeries(columnSeries));
_invalidInputsLabel = new UILabel(new RectangleF(this.View.Frame.X + 60, 40, this.View.Frame.Width - 60, this.View.Frame.Height - 40));
_invalidInputsLabel.Lines = 0;
_invalidInputsLabel.LineBreakMode = UILineBreakMode.WordWrap;
_invalidInputsLabel.Text = ViewModel.InvalidInputsMessage;
_invalidInputsLabel.TextAlignment = UITextAlignment.Left;
this.View.AddSubview(_invalidInputsLabel);
this.View.AddSubview(_chart);
Action assignVisibility = () =>
{
_invalidInputsLabel.Hidden = ViewModel.HasValidInputs;
_chart.Hidden = !ViewModel.HasValidInputs;
};
assignVisibility();
ViewModel.WhenAnyValue(p => p.HasValidInputs)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(p => assignVisibility());
}
void InitialiseChart ()
{
// if chart was added previously, remove it from the view before constructing it with new values
if (chart != null)
chart.RemoveFromSuperview ();
chart = new IGChartView (View.Bounds);
chart.AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth;
chart.Theme = IGChartGradientThemes.IGThemeDark ();
View.Add (chart);
}
