Claudio Schaad
562338d0c4
Add a Blazor built-in ErrorBoundary around @Body with a friendly FluentMessageBar + retry / home buttons. Also hook NavigationManager.LocationChanged so the boundary resets on any nav (otherwise the error state persists across NavigateTo and "Zur Startseite" still shows the failure banner). U-6 split into U-6a (this) and U-6b (per-handler try/catch to route expected exceptions to IMessageService — deferred). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
69 lines
No EOL
2.8 KiB
Text
69 lines
No EOL
2.8 KiB
Text
@inherits LayoutComponentBase
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@inject NavigationManager Navigation
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@implements IDisposable
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<FluentLayout>
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<FluentHeader Class="hidePrint">
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<MyHeader/>
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</FluentHeader>
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<FluentStack Class="main" Orientation="Orientation.Horizontal" Width="100%">
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<NavMenu />
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<FluentBodyContent Class="body-content">
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<FluentMessageBarProvider Section="MESSAGES_TOP" @rendermode="InteractiveServer" />
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<div class="content">
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<ErrorBoundary @ref="errorBoundary">
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<ChildContent>
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@Body
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</ChildContent>
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<ErrorContent>
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<FluentStack Orientation="Orientation.Vertical" Style="padding: 2rem; max-width: 640px;">
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<FluentMessageBar Intent="MessageIntent.Error"
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Title="Ein Fehler ist aufgetreten"
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AllowDismiss="false">
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Diese Seite konnte nicht angezeigt werden. Details stehen im Server-Log.
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</FluentMessageBar>
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<FluentStack Orientation="Orientation.Horizontal">
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<FluentButton Appearance="Appearance.Neutral" OnClick="Recover">Neu versuchen</FluentButton>
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<FluentAnchor Href="/" Appearance="Appearance.Neutral">Zur Startseite</FluentAnchor>
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</FluentStack>
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</FluentStack>
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</ErrorContent>
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</ErrorBoundary>
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</div>
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</FluentBodyContent>
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</FluentStack>
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<FluentFooter Class="hidePrint" Style="padding: 25px 5px 5px 5px ">
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AccountingNext App
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<FluentSpacer/>
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Copyright 2025 by Claudio Schaad
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</FluentFooter>
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</FluentLayout>
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<FluentDialogProvider @rendermode="InteractiveServer"/>
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<FluentToastProvider MaxToastCount="10" @rendermode="InteractiveServer" />
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<div id="blazor-error-ui" data-nosnippet>
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An unhandled error has occurred.
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<a href="." class="reload">Reload</a>
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<span class="dismiss">🗙</span>
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</div>
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@code {
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private ErrorBoundary? errorBoundary;
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protected override void OnInitialized()
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{
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// ErrorBoundary state persists across NavigationManager.NavigateTo, so the
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// error page would linger even after the user clicked "Zur Startseite".
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// Reset on any location change.
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Navigation.LocationChanged += OnLocationChanged;
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}
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private void OnLocationChanged(object? sender, Microsoft.AspNetCore.Components.Routing.LocationChangedEventArgs e)
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=> errorBoundary?.Recover();
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private void Recover() => errorBoundary?.Recover();
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public void Dispose() => Navigation.LocationChanged -= OnLocationChanged;
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} |