Wave/Wave/Components/AdvancedMarkdownEditor.razor

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@implements IDisposable
@rendermode InteractiveServer
@using Wave.Utilities
<section class="grid grid-cols-1 lg:grid-cols-2 gap-x-8 gap-y-4">
<div class="flex">
@ChildContent
</div>
<div class="bg-base-200 p-2">
@if (!string.IsNullOrWhiteSpace(Title)) {
<h2 class="text-2xl lg:text-4xl font-bold mb-6 hyphens-auto">@Title</h2>
}
@if (!string.IsNullOrWhiteSpace(Markdown)) {
<div class="prose prose-neutral max-w-none hyphens-auto text-justify">
@HtmlPreview
</div>
} else {
<div class="flex flex-col gap-4">
<div class="skeleton h-4 w-full"></div>
<div class="skeleton h-4 w-full"></div>
<div class="skeleton h-32 w-full"></div>
<div class="skeleton h-4 w-full"></div>
<div class="skeleton h-4 w-full"></div>
<div class="skeleton h-4 w-full"></div>
</div>
}
</div>
</section>
@code {
[Parameter]
public required Func<string?> MarkdownCallback { get; set; }
[Parameter]
public string? Title { get; set; }
[Parameter]
public required RenderFragment ChildContent { get; set; }
private string? Markdown { get; set; }
private MarkupString HtmlPreview { get; set; } = new();
private CancellationTokenSource? Token { get; set; }
private Timer? Timer { get; set; }
protected override void OnInitialized() {
Timer = new Timer(_ => {
UpdateHtml();
}, null, TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(3));
}
private void UpdateHtml() {
try {
string? markdown = MarkdownCallback.Invoke();
if (string.IsNullOrWhiteSpace(markdown)) return;
Token?.Cancel();
Token = new CancellationTokenSource();
string html = MarkdownUtilities.Parse(markdown);
Markdown = markdown;
HtmlPreview = new MarkupString(html);
InvokeAsync(StateHasChanged);
} catch (Exception ex) {
Console.Error.WriteLine(ex);
} finally {
Token = null;
}
}
public void Dispose() {
Timer?.Dispose();
Timer = null;
}
}