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

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

namespace InABox.DynamicGrid;

public class DFBooleanControl : DynamicFormFieldControl<DFLayoutBooleanField, DFLayoutBooleanFieldProperties, bool?, bool?>
{
    private IOptionControl OptionControl = null!; // Late-initialised

    protected override FrameworkElement Create()
    {
        var options = new[] { Field.Properties.TrueValue, Field.Properties.FalseValue };
        var defValue = Field.Properties.Default switch
        {
            true => Field.Properties.TrueValue,
            false => Field.Properties.FalseValue,
            null => null
        };
        return Field.Properties.Type switch
        {
            DesignBooleanFieldType.Buttons => SetControl(new ButtonsOptionControl(options, ChangeField, defValue)),
            DesignBooleanFieldType.ComboBox => SetControl(new ComboBoxOptionControl(options, ChangeField, defValue)),
            DesignBooleanFieldType.Checkbox or _ => SetControl(new CheckBoxOptionControl(Field.Properties.TrueValue, Field.Properties.FalseValue, ChangeField, Field.Properties.Required, Field.Properties.Default)),
        };
    }

    private T SetControl<T>(T value)
        where T : FrameworkElement, IOptionControl
    {
        OptionControl = value;
        return value;
    }

    public override bool? GetSerializedValue()
    {
        return GetValue();
    }

    public override void SetSerializedValue(bool? value)
    {
        SetValue(value);
    }

    public override bool? GetValue()
    {
        var val = OptionControl.GetValue();
        if(val == Field.Properties.TrueValue)
        {
            return true;
        }
        else if(val == Field.Properties.FalseValue)
        {
            return false;
        }
        else
        {
            return null;
        }
    }

    public override void SetValue(bool? value) => OptionControl.SetValue(value switch
    {
        true => Field.Properties.TrueValue,
        false => Field.Properties.FalseValue,
        null => null
    });

    protected override bool IsEmpty() => OptionControl.IsEmpty();
}