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

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

namespace InABox.DynamicGrid;

public class DFIntegerControl : DynamicFormFieldControl<DFLayoutIntegerField, DFLayoutIntegerFieldProperties, int, int?>
{
    private IntegerTextBox Integer = null!; // late-initialising

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

        return Integer;
    }

    public override int? GetSerializedValue()
    {
        var value = Integer.Value;
        if (value != null)
            return Convert.ToInt32((long)value);
        return null;
    }

    public override void SetSerializedValue(int? value)
    {
        Integer.Value = value;
    }

    public override int GetValue()
    {
        var value = Integer.Value;
        if (value != null)
            return Convert.ToInt32((long)value);
        return 0;
    }

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