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https://github.com/aaru-dps/Aaru.git
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77 lines
2.8 KiB
C#
77 lines
2.8 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : ThemeToSvgPathConverter.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : GUI helpers.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Converter to provide theme-aware SVG asset paths.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General public License for more details.
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//
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// You should have received a copy of the GNU General public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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#nullable enable
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using System;
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using System.Globalization;
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using Avalonia.Data.Converters;
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using Avalonia.Styling;
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namespace Aaru.Gui.Helpers;
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/// <summary>
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/// Converter that returns different SVG asset paths based on the current theme (light or dark).
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/// </summary>
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/// <inheritdoc />
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public class ThemeToSvgPathConverter : IValueConverter
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{
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/// <inheritdoc />
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public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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if(value is not ThemeVariant themeVariant || parameter is not string fullPath) return null;
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// Check if it's dark theme
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bool isDark = themeVariant == ThemeVariant.Dark;
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if(!isDark) return fullPath;
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// For dark theme, insert "Dark/" before the filename
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int lastSlashIndex = fullPath.LastIndexOf('/');
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if(lastSlashIndex == -1)
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{
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// No path separator, just filename
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return $"Dark/{fullPath}";
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}
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// Split path and filename, insert Dark/ before filename
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string directory = fullPath[..(lastSlashIndex + 1)];
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string filename = fullPath[(lastSlashIndex + 1)..];
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return $"{directory}Dark/{filename}";
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}
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/// <inheritdoc />
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public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) =>
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throw new NotImplementedException();
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} |