113 lines
4.7 KiB
C#
113 lines
4.7 KiB
C#
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namespace WPFluent.Markup;
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/// <summary>
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/// Custom design time attributes based on Marcin Najder implementation.
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/// </summary>
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/// <example>
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/// <code lang="xml"> /// <ui:FluentWindow /// xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml" ///
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/// ui:Design.Background="{DynamicResource ApplicationBackgroundBrush}" /// ui:Design.Foreground="{DynamicResource
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/// TextFillColorPrimaryBrush}"> /// <Button Content="Hello World" /> /// </FluentWindow> ///</code>
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/// </example>
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public static class Design
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{
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private static bool? _inDesignMode;
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private static readonly string[] DesignProcesses =
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[
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"devenv",
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"dotnet",
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"RiderWpfPreviewerLauncher64"
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];
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public static readonly DependencyProperty BackgroundProperty = DependencyProperty.RegisterAttached(
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"Background",
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typeof(System.Windows.Media.Brush),
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typeof(Design),
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new PropertyMetadata(OnBackgroundChanged));
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public static readonly DependencyProperty ForegroundProperty = DependencyProperty.RegisterAttached(
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"Foreground",
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typeof(System.Windows.Media.Brush),
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typeof(Design),
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new PropertyMetadata(OnForegroundChanged));
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private static void OnBackgroundChanged(DependencyObject? d, DependencyPropertyChangedEventArgs e)
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{
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if(!InDesignMode)
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{
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return;
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}
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d?.GetType()?.GetProperty("Background")?.SetValue(d, e.NewValue, null);
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}
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private static void OnForegroundChanged(DependencyObject? d, DependencyPropertyChangedEventArgs e)
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{
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if(!InDesignMode)
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{
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return;
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}
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d?.GetType()?.GetProperty("Foreground")?.SetValue(d, e.NewValue, null);
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}
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/// <summary>
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/// Gets a value indicating whether the framework is in design-time mode. (Caliburn.Micro implementation)
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/// </summary>
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private static bool InDesignMode => _inDesignMode ??=
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(bool)
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DependencyPropertyDescriptor
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.FromProperty(DesignerProperties.IsInDesignModeProperty, typeof(FrameworkElement))
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.Metadata.DefaultValue ||
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DesignProcesses.Any(
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process => System
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.Diagnostics.Process
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.GetCurrentProcess()
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.ProcessName
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.StartsWith(process, StringComparison.Ordinal));
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/// <summary>
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/// Helper for getting <see cref="BackgroundProperty"/> from <paramref name="dependencyObject"/>.
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/// </summary>
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/// <param name="dependencyObject"><see cref="DependencyObject"/> to read <see cref="BackgroundProperty"/> from.</param>
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/// <returns>Background property value.</returns>
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[System.Diagnostics.CodeAnalysis.SuppressMessage(
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"WpfAnalyzers.DependencyProperty",
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"WPF0033:Add [AttachedPropertyBrowsableForType]",
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Justification = "Because")]
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public static System.Windows.Media.Brush? GetBackground(DependencyObject dependencyObject) => (System.Windows.Media.Brush)dependencyObject.GetValue(
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BackgroundProperty);
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/// <summary>
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/// Helper for getting <see cref="ForegroundProperty"/> from <paramref name="dependencyObject"/>.
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/// </summary>
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/// <param name="dependencyObject"><see cref="DependencyObject"/> to read <see cref="ForegroundProperty"/> from.</param>
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/// <returns>Foreground property value.</returns>
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[System.Diagnostics.CodeAnalysis.SuppressMessage(
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"WpfAnalyzers.DependencyProperty",
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"WPF0033:Add [AttachedPropertyBrowsableForType]",
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Justification = "Because")]
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public static System.Windows.Media.Brush? GetForeground(DependencyObject dependencyObject) => (System.Windows.Media.Brush)dependencyObject.GetValue(
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ForegroundProperty);
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/// <summary>
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/// Helper for setting <see cref="BackgroundProperty"/> on <paramref name="dependencyObject"/>.
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/// </summary>
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/// <param name="dependencyObject"><see cref="DependencyObject"/> to set <see cref="BackgroundProperty"/> on.</param>
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/// <param name="value">Background property value.</param>
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public static void SetBackground(DependencyObject dependencyObject, System.Windows.Media.Brush? value) => dependencyObject.SetValue(
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BackgroundProperty,
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value);
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/// <summary>
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/// Helper for setting <see cref="ForegroundProperty"/> on <paramref name="dependencyObject"/>.
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/// </summary>
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/// <param name="dependencyObject"><see cref="DependencyObject"/> to set <see cref="ForegroundProperty"/> on.</param>
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/// <param name="value">Foreground property value.</param>
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public static void SetForeground(DependencyObject dependencyObject, System.Windows.Media.Brush? value) => dependencyObject.SetValue(
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ForegroundProperty,
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value);
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}
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