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67 lines
3.7 KiB
67 lines
3.7 KiB
#nullable enable
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using System.Diagnostics.CodeAnalysis;
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using System.Reflection;
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using Connected.Interop;
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using Microsoft.AspNetCore.Components;
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using Microsoft.JSInterop;
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namespace Connected
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{
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[ExcludeFromCodeCoverage]
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public static class ElementReferenceExtensions
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{
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private static readonly PropertyInfo? jsRuntimeProperty =
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typeof(WebElementReferenceContext).GetProperty("JSRuntime", BindingFlags.Instance | BindingFlags.NonPublic);
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internal static IJSRuntime? GetJSRuntime(this ElementReference elementReference)
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{
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if (elementReference.Context is not WebElementReferenceContext context)
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{
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return null;
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}
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return (IJSRuntime?)jsRuntimeProperty?.GetValue(context);
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}
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public static ValueTask FocusFirstAsync(this ElementReference elementReference, int skip = 0, int min = 0) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.focusFirst", elementReference, skip, min) ?? ValueTask.CompletedTask;
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public static ValueTask FocusLastAsync(this ElementReference elementReference, int skip = 0, int min = 0) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.focusLast", elementReference, skip, min) ?? ValueTask.CompletedTask;
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public static ValueTask SaveFocusAsync(this ElementReference elementReference) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.saveFocus", elementReference) ?? ValueTask.CompletedTask;
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public static ValueTask RestoreFocusAsync(this ElementReference elementReference) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.restoreFocus", elementReference) ?? ValueTask.CompletedTask;
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public static ValueTask BlurAsync(this ElementReference elementReference) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.blur", elementReference) ?? ValueTask.CompletedTask;
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public static ValueTask SelectAsync(this ElementReference elementReference) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.select", elementReference) ?? ValueTask.CompletedTask;
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public static ValueTask SelectRangeAsync(this ElementReference elementReference, int pos1, int pos2) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.selectRange", elementReference, pos1, pos2) ?? ValueTask.CompletedTask;
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public static ValueTask ChangeCssAsync(this ElementReference elementReference, string css) =>
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elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.changeCss", elementReference, css) ?? ValueTask.CompletedTask;
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public static ValueTask<BoundingClientRect> MudGetBoundingClientRectAsync(this ElementReference elementReference) =>
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elementReference.GetJSRuntime()?.InvokeAsync<BoundingClientRect>("elementRef.getBoundingClientRect", elementReference) ?? ValueTask.FromResult(new BoundingClientRect());
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public static ValueTask<int[]> AddDefaultPreventingHandlers(this ElementReference elementReference, string[] eventNames) =>
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elementReference.GetJSRuntime()?.InvokeAsync<int[]>("elementRef.addDefaultPreventingHandlers", elementReference, eventNames) ?? new ValueTask<int[]>(Array.Empty<int>());
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public static ValueTask RemoveDefaultPreventingHandlers(this ElementReference elementReference, string[] eventNames, int[] listenerIds)
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{
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if (eventNames.Length != listenerIds.Length)
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{
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throw new ArgumentException($"Number of elements in {nameof(eventNames)} and {nameof(listenerIds)} has to match.");
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}
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return elementReference.GetJSRuntime()?.InvokeVoidAsync("elementRef.removeDefaultPreventingHandlers", elementReference, eventNames, listenerIds) ?? ValueTask.CompletedTask;
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}
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}
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}
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