// Constructor that takes a picker for defining new statistics.
public ChooseStatisticOverlay(CGRect frame, nfloat transparency, UIColor color, UIPickerView statPicker) : base(frame)
{
// Store the statistics picker.
var statisticPicker = statPicker;
// Create a semi-transparent overlay with the specified background color.
BackgroundColor = color;
Alpha = transparency;
// Set the total height and width of the control set.
nfloat totalHeight = 400;
nfloat totalWidth = 320;
// Find the bottom x and y of the view.
nfloat centerX = Frame.Width / 2;
nfloat centerY = Frame.Bottom - 40;
// Find the start x and y for the control layout (aligned to the bottom of the view).
nfloat controlX = centerX - totalWidth / 2;
nfloat controlY = centerY - totalHeight;
// Toolbar with "Add" and "Done" buttons.
UIToolbar toolbar = new UIToolbar
{
BarStyle = UIBarStyle.Black,
Translucent = false
};
toolbar.SizeToFit();
// Add Button (add the new stat and don't dismiss the UI).
UIBarButtonItem addButton = new UIBarButtonItem("Add", UIBarButtonItemStyle.Done, (s, e) =>
{
// Get the selected StatisticDefinition.
StatDefinitionModel statPickerModel = statisticPicker.Model as StatDefinitionModel;
StatisticDefinition newStatDefinition = statPickerModel.SelectedStatDefinition;
if (newStatDefinition != null)
{
// Fire the OnMapInfoEntered event and provide the statistic definition.
OnStatisticDefined?.Invoke(this, newStatDefinition);
}
});
// Done Button (dismiss the UI, don't use the selected statistic).
UIBarButtonItem doneButton = new UIBarButtonItem("Done", UIBarButtonItemStyle.Plain, (s, e) => { OnCanceled.Invoke(this, null); });
// Add the buttons to the toolbar.
toolbar.SetItems(new[] { addButton, doneButton }, true);
// Define the location of the statistic picker.
controlY = controlY + 200;
statisticPicker.Frame = new CGRect(controlX, controlY, totalWidth, 200);
// Set the location for the toolbar.
controlY = controlY + 220;
toolbar.Frame = new CGRect(controlX, controlY, totalWidth, 30);
// Add the controls.
AddSubviews(toolbar, statisticPicker);
}
// Constructor that takes a picker for defining new statistics.
public ChooseStatisticOverlay(UIPickerView statPicker)
{
this.TranslatesAutoresizingMaskIntoConstraints = false;
// Toolbar with "Add" and "Done" buttons.
UIToolbar toolbar = new UIToolbar();
toolbar.TranslatesAutoresizingMaskIntoConstraints = false;
statPicker.TranslatesAutoresizingMaskIntoConstraints = false;
// Add Button (add the new stat and don't dismiss the UI).
UIBarButtonItem addButton = new UIBarButtonItem("Add", UIBarButtonItemStyle.Plain, (s, e) =>
{
// Get the selected StatisticDefinition.
StatDefinitionModel statPickerModel = (StatDefinitionModel)statPicker.Model;
StatisticDefinition newStatDefinition = statPickerModel.SelectedStatDefinition;
if (newStatDefinition != null)
{
// Fire the OnMapInfoEntered event and provide the statistic definition.
OnStatisticDefined?.Invoke(this, newStatDefinition);
}
});
// Done Button (dismiss the UI, don't use the selected statistic).
UIBarButtonItem doneButton = new UIBarButtonItem("Done", UIBarButtonItemStyle.Done,
(s, e) => { OnCanceled?.Invoke(this, null); });
// Add the buttons to the toolbar.
toolbar.Items = new[] { addButton, doneButton };
statPicker.BackgroundColor = UIColor.White;
// Add the controls.
AddSubviews(toolbar, statPicker);
toolbar.BottomAnchor.ConstraintEqualTo(BottomAnchor).Active = true;
toolbar.LeadingAnchor.ConstraintEqualTo(LeadingAnchor).Active = true;
toolbar.TrailingAnchor.ConstraintEqualTo(TrailingAnchor).Active = true;
statPicker.TopAnchor.ConstraintEqualTo(TopAnchor).Active = true;
statPicker.LeadingAnchor.ConstraintEqualTo(LeadingAnchor).Active = true;
statPicker.TrailingAnchor.ConstraintEqualTo(TrailingAnchor).Active = true;
statPicker.BottomAnchor.ConstraintEqualTo(toolbar.TopAnchor).Active = true;
}