// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.ComponentModel;
using System.Drawing.Design;
 
namespace System.Windows.Forms.Design;
 
internal class MaskedTextBoxTextEditor : UITypeEditor
{
    public override object? EditValue(ITypeDescriptorContext? context, IServiceProvider provider, object? value)
    {
        if (context?.Instance is null || !provider.TryGetService(out IWindowsFormsEditorService? editorService))
        {
            return value;
        }
 
        if (context.Instance is not MaskedTextBox maskedTextBox)
        {
            maskedTextBox = new()
            {
                Text = value as string
            };
        }
 
        MaskedTextBoxTextEditorDropDown dropDown = new(maskedTextBox);
        editorService.DropDownControl(dropDown);
 
        if (dropDown.Value is not null)
        {
            value = dropDown.Value;
        }
 
        return value;
    }
 
    public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext? context)
    {
        if (context?.Instance is not null)
        {
            return UITypeEditorEditStyle.DropDown;
        }
 
        return base.GetEditStyle(context);
    }
 
    public override bool GetPaintValueSupported(ITypeDescriptorContext? context)
    {
        if (context?.Instance is not null)
        {
            return false;
        }
 
        return base.GetPaintValueSupported(context);
    }
 
    public override bool IsDropDownResizable => false;
}