124 lines
4.1 KiB
C#
124 lines
4.1 KiB
C#
using System.Runtime.CompilerServices;
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using Telerik.WinControls;
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using Telerik.WinControls.Svg;
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using Telerik.WinControls.UI;
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using Telerik.WinControls.UI.SplashScreen;
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namespace Pilz.UI.Telerik.Dialogs;
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partial class RadFlyoutBase
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{
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public delegate void FlyoutCreatedEventHandler(FlyoutCreatedEventArgs e);
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public delegate void FlyoutClosedEventHandler(FlyoutClosedEventArgs e);
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public static event FlyoutCreatedEventHandler FlyoutCreated
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{
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add => flyoutCreatedHandlers.Add(value);
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remove => flyoutCreatedHandlers.Remove(value);
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}
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public static event FlyoutClosedEventHandler FlyoutClosed
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{
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add => flyoutCloseHandlers.Add(value);
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remove => flyoutCloseHandlers.Remove(value);
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}
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private static readonly List<FlyoutCreatedEventHandler> flyoutCreatedHandlers = [];
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private static readonly List<FlyoutClosedEventHandler> flyoutCloseHandlers = [];
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private static object? tagToAssign = null;
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private static string? titleToAssing = null;
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private static RadSvgImage? iconToAssign = null;
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public static Control? ParentContext { get; private set; } = null;
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static RadFlyoutBase()
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{
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RadFlyoutManager.ContentCreated += RadFlyoutManager_ContentCreated;
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RadFlyoutManager.FlyoutClosed += RadFlyoutManager_FlyoutClosed;
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}
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private static void RadFlyoutManager_ContentCreated(ContentCreatedEventArgs e)
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{
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if (e.Content is RadFlyoutBase dialogBase)
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{
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if (tagToAssign != null)
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dialogBase.Tag = tagToAssign;
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if (titleToAssing != null)
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dialogBase.Title = titleToAssing;
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if (iconToAssign != null)
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dialogBase.TitleIcon = iconToAssign;
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var eventArgs = new FlyoutCreatedEventArgs(dialogBase);
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if (dialogBase is ILoadContent iLoadContent)
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iLoadContent.LoadContent();
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else if (dialogBase is ILoadContentAsync iLoadContentAsync)
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Task.Run(iLoadContentAsync.LoadContentAsync).Wait();
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foreach (var args in flyoutCreatedHandlers.ToArray())
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{
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if (ParentContext != null)
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ParentContext?.Invoke(args, eventArgs);
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else
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args.Invoke(eventArgs);
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}
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}
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}
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private static void RadFlyoutManager_FlyoutClosed(global::Telerik.WinControls.UI.SplashScreen.FlyoutClosedEventArgs e)
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{
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if (e.Content is RadFlyoutBase dialogBase)
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{
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var eventArgs = new FlyoutClosedEventArgs((RadFlyoutBase)e.Content);
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foreach (var args in flyoutCloseHandlers.ToArray())
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{
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if (ParentContext != null)
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ParentContext?.Invoke(args, eventArgs);
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else
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args.Invoke(eventArgs);
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}
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}
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ParentContext = null;
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}
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public static void Show<T>(Control controlToAssociate, object? tag = null)
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{
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Show<T>(controlToAssociate, null, null, tag: tag);
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}
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public static void Show<T>(Control controlToAssociate, string? title, RadSvgImage? icon, object? tag = null)
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{
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Show(controlToAssociate, typeof(T), title, icon, tag: tag);
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}
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public static void Show(Control controlToAssociate, Type flyoutContentType, string? title, RadSvgImage? icon, object? tag = null)
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{
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tagToAssign = tag;
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titleToAssing = title;
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iconToAssign = icon;
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ParentContext = controlToAssociate;
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CloseFlyout(false); // Ensure it's closed!
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RadFlyoutManager.Show(controlToAssociate, flyoutContentType);
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}
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protected static void CloseFlyout()
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{
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CloseFlyout(true);
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}
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protected static void CloseFlyout(bool throwOnError)
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{
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if (throwOnError && ParentContext is null)
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throw new NullReferenceException(nameof(ParentContext));
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if (typeof(RadFlyoutManager).GetField("flyoutInstance", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static).GetValue(null) is FlyoutScreen instance
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&& instance.IsActive)
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RadFlyoutManager.Close();
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}
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}
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