Dnspy/dnSpy/dnSpy.Contracts.DnSpy/Images/ImageReferenceConverter.cs

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2021-09-20 18:20:01 +02:00
/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.ComponentModel;
using System.Globalization;
namespace dnSpy.Contracts.Images {
/// <summary>
/// Converts a <see cref="string"/> to an <see cref="ImageReference"/> or vice versa
/// </summary>
public sealed class ImageReferenceConverter : TypeConverter {
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="sourceType"></param>
/// <returns></returns>
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) =>
sourceType == typeof(string) || base.CanConvertFrom(context, sourceType);
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="destinationType"></param>
/// <returns></returns>
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) =>
destinationType == typeof(string) || base.CanConvertTo(context, destinationType);
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) {
if (value is string s) {
if (ImageReference.TryParse(s, out var imageReference))
return imageReference;
}
return base.ConvertFrom(context, culture, value);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <param name="destinationType"></param>
/// <returns></returns>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) {
if (destinationType == typeof(string) && value is ImageReference)
return ((ImageReference)value).ToString();
return base.ConvertTo(context, culture, value, destinationType);
}
}
}