inabox/inabox.wpf/DigitalForms/Designer/Controls/Fields/DFDoubleControl.cs

using InABox.Core;
using Syncfusion.Windows.Shared;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace InABox.DynamicGrid;

public class DFDoubleControl : DynamicFormFieldControl<DFLayoutDoubleField, DFLayoutDoubleFieldProperties, double, double?>
{
    private DoubleTextBox Double = null!; // late-initialising

    protected override FrameworkElement Create()
    {
        Double = new DoubleTextBox();
        Double.Value = Field.Properties.Default;
        Double.HorizontalContentAlignment = HorizontalAlignment.Center;
        Double.VerticalContentAlignment = VerticalAlignment.Center;
        Double.VerticalAlignment = VerticalAlignment.Stretch;
        Double.ValueChanged += (sender, e) => ChangeField();
        Double.IsScrollingOnCircle = false;
        return Double;
    }

    public override void SetSerializedValue(double? value)
    {
        Double.Value = value;
    }

    public override double? GetSerializedValue()
    {
        return Double.Value ?? 0.0;
    }

    public override double GetValue()
    {
        return Double.Value ?? 0.0;
    }

    public override void SetValue(double value)
    {
        Double.Value = value;
    }
    protected override bool IsEmpty() => Double.Value == null;
}