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Themes refactoring and commenting
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621880a925
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@ -19,27 +19,30 @@ namespace ModAssistant
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private static Dictionary<string, ResourceDictionary> loadedThemes = new Dictionary<string, ResourceDictionary>();
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private static List<string> preInstalledThemes = new List<string> { "Light", "Dark" };
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/// <summary>
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/// Load all themes from local Themes subfolder and from embedded resources.
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/// This also refreshes the Themes dropdown in the Options screen.
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/// </summary>
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public static void LoadThemes()
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{
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loadedThemes.Clear();
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foreach (string localTheme in preInstalledThemes)
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foreach (string localTheme in preInstalledThemes) //Load local themes (Light and Dark)
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{
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ResourceDictionary theme = LoadTheme(localTheme, true);
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loadedThemes.Add(localTheme, theme);
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}
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if (Directory.Exists(ThemeDirectory))
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if (Directory.Exists(ThemeDirectory)) //Load themes from Themes subfolder if it exists.
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{
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foreach (string file in Directory.EnumerateFiles(ThemeDirectory))
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{
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FileInfo info = new FileInfo(file);
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//FileInfo includes the extension in its Name field, so we have to split the string and select only the actual name.
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string name = info.Name.Split('.').First();
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//Ignore Themes without the xaml extension and ignore themes with the same names as others.
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//If requests are made I can instead make a Theme class that splits the pre-installed themes from
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//user-made ones so that one more user-made Light/Dark theme can be added.
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MessageBox.Show(info.Extension);
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if (info.Extension.ToLower().Contains("xaml"))
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if (info.Extension.ToLower().Contains("xaml") && !loadedThemes.ContainsKey(name))
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{
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string name = info.Name.Split('.').First();
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MessageBox.Show(name);
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ResourceDictionary theme = LoadTheme(name);
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if (theme != null)
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{
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@ -47,27 +50,20 @@ namespace ModAssistant
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}
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}
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}
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//MessageBox.Show($"(DEBUG) Loaded {loadedThemes.Count - 2} themes from Themes folder.");
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}
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if (Options.Instance != null && Options.Instance.ApplicationThemeComboBox != null)
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if (Options.Instance != null && Options.Instance.ApplicationThemeComboBox != null) //Refresh Themes dropdown in Options screen.
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{
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Options.Instance.ApplicationThemeComboBox.ItemsSource = LoadedThemes;
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Options.Instance.ApplicationThemeComboBox.SelectedIndex = LoadedThemes.IndexOf(LoadedTheme);
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}
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}
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private static ResourceDictionary LoadTheme(string name, bool localUri = false)
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{
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string location = $"{Environment.CurrentDirectory}/Themes/{name}.xaml";
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if (!File.Exists(location) && !localUri) return null;
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if (localUri) location = $"Themes/{name}.xaml";
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Uri uri = new Uri(location, localUri ? UriKind.Relative : UriKind.Absolute);
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ResourceDictionary dictionary = new ResourceDictionary();
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dictionary.Source = uri;
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return dictionary;
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}
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public static void ApplyTheme(string theme, FrameworkElement element)
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/// <summary>
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/// Applies a loaded theme to ModAssistant.
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/// </summary>
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/// <param name="theme">Name of the theme.</param>
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/// <param name="element">Page that this is called on (Used for refreshing button icon colors).</param>
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public static void ApplyTheme(string theme)
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{
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ResourceDictionary newTheme = loadedThemes[theme];
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if (newTheme != null)
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@ -75,27 +71,15 @@ namespace ModAssistant
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Application.Current.Resources.MergedDictionaries.RemoveAt(0);
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LoadedTheme = theme;
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Application.Current.Resources.MergedDictionaries.Insert(0, newTheme);
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ReloadIcons(element);
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ReloadIcons();
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}
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else throw new ArgumentException($"{theme} does not exist.");
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}
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private static void ReloadIcons(FrameworkElement element)
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{
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ResourceDictionary icons = Application.Current.Resources.MergedDictionaries.First(x => x.Source.ToString() == "Resources/Icons.xaml");
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ChangeColor(element, icons, "AboutIconColor", "heartDrawingGroup");
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ChangeColor(element, icons, "InfoIconColor", "info_circleDrawingGroup");
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ChangeColor(element, icons, "OptionsIconColor", "cogDrawingGroup");
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ChangeColor(element, icons, "ModsIconColor", "microchipDrawingGroup");
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}
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private static void ChangeColor(FrameworkElement element, ResourceDictionary icons, string ResourceColorName, string DrawingGroupName)
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{
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element.Resources[ResourceColorName] = loadedThemes[LoadedTheme][ResourceColorName];
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((GeometryDrawing)((DrawingGroup)icons[DrawingGroupName]).Children[0]).Brush = (Brush)element.Resources[ResourceColorName];
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}
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/// <summary>
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/// Writes a local theme to disk. You cannot write a theme loaded from the Themes subfolder to disk.
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/// </summary>
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/// <param name="themeName">Name of local theme.</param>
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public static void WriteThemeToDisk(string themeName)
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{
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if (!Directory.Exists(ThemeDirectory))
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@ -118,5 +102,47 @@ namespace ModAssistant
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}
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else MessageBox.Show("Template theme already exists!");
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}
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/// <summary>
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/// Loads a ResourceDictionary from either Embedded Resources or from a file location.
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/// </summary>
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/// <param name="name">ResourceDictionary file name.</param>
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/// <param name="localUri">Specifies whether or not to search in Embedded Resources or in the Themes subfolder.</param>
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/// <returns></returns>
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private static ResourceDictionary LoadTheme(string name, bool localUri = false)
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{
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string location = $"{Environment.CurrentDirectory}/Themes/{name}.xaml";
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if (!File.Exists(location) && !localUri) return null;
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if (localUri) location = $"Themes/{name}.xaml";
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Uri uri = new Uri(location, localUri ? UriKind.Relative : UriKind.Absolute);
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ResourceDictionary dictionary = new ResourceDictionary();
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dictionary.Source = uri;
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return dictionary;
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}
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/// <summary>
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/// Reload the icon colors for the About, Info, Options, and Mods buttons from the currently loaded theme.
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/// </summary>
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private static void ReloadIcons()
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{
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ResourceDictionary icons = Application.Current.Resources.MergedDictionaries.First(x => x.Source.ToString() == "Resources/Icons.xaml");
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ChangeColor(icons, "AboutIconColor", "heartDrawingGroup");
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ChangeColor(icons, "InfoIconColor", "info_circleDrawingGroup");
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ChangeColor(icons, "OptionsIconColor", "cogDrawingGroup");
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ChangeColor(icons, "ModsIconColor", "microchipDrawingGroup");
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}
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/// <summary>
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/// Change the color of an image from the loaded theme.
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/// </summary>
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/// <param name="icons">ResourceDictionary that contains the image.</param>
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/// <param name="ResourceColorName">Resource name of the color to change.</param>
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/// <param name="DrawingGroupName">DrawingGroup name for the image.</param>
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private static void ChangeColor(ResourceDictionary icons, string ResourceColorName, string DrawingGroupName)
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{
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Application.Current.Resources[ResourceColorName] = loadedThemes[LoadedTheme][ResourceColorName];
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((GeometryDrawing)((DrawingGroup)icons[DrawingGroupName]).Children[0]).Brush = (Brush)Application.Current.Resources[ResourceColorName];
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}
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}
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}
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@ -63,11 +63,11 @@ namespace ModAssistant
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Themes.LoadThemes();
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try
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{
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Themes.ApplyTheme("Light", this);
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Themes.ApplyTheme("Light");
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}
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catch (ArgumentException)
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{
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Themes.ApplyTheme("Light", this);
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Themes.ApplyTheme("Light");
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MainText = "Theme not found, reverting to Light theme...";
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}
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@ -251,9 +251,9 @@ namespace ModAssistant.Pages
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{
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if ((sender as ComboBox).SelectedItem == null)
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{
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Themes.ApplyTheme("Light", this);
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Themes.ApplyTheme("Light");
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MainWindow.Instance.MainText = "Current theme has been removed, reverting to Light...";
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}else Themes.ApplyTheme((sender as ComboBox).SelectedItem.ToString(), this);
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}else Themes.ApplyTheme((sender as ComboBox).SelectedItem.ToString());
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}
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private void ApplicationThemeExportTemplate_Click(object sender, RoutedEventArgs e)
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