prs/PRS.Avalonia/PRS.Avalonia/Components/FormsEditor/Fields/DFTimeFieldControl.cs

using Avalonia.Controls;
using Avalonia.Media;
using InABox.Avalonia.Components;
using InABox.Core;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PRS.Avalonia.DigitalForms;

class DFTimeFieldControl : DigitalFormFieldControl<DFLayoutTimeField, DFLayoutTimeFieldProperties, TimeSpan, TimeSpan?>
{
    private TimeSelectorButton Time = null!; // late-initialising

    protected override Control Create()
    {
        Time = new TimeSelectorButton();
        var def = Field.Properties.Default;
        Time.Time = def == default ? DateTime.Now.TimeOfDay : def;
        Time.TimeChanged += (sender, e) => ChangeField();
        
        return Time;
    }

    public override TimeSpan? GetSerializedValue() => Time.Time;

    public override void SetSerializedValue(TimeSpan? value) => Time.Time = value;

    public override TimeSpan GetValue() => Time.Time ?? TimeSpan.MinValue;

    public override void SetValue(TimeSpan value) => Time.Time = value;

    protected override bool IsEmpty() => Time.Time == null || Time.Time == TimeSpan.MinValue;

    public override void SetBackground(IBrush brush, bool defaultColour)
    {
        Time.Background = brush;
    }
}