Phases 4-6: Complete Central UI — Admin, Design, Deployment, and Operations pages
Phase 4 — Operator/Admin UI: - Sites, DataConnections, Areas (hierarchical), API Keys (auto-generated) CRUD - Health Dashboard (live refresh, per-site metrics from CentralHealthAggregator) - Instance list with filtering/staleness/lifecycle actions - Deployment status tracking with auto-refresh Phase 5 — Authoring UI: - Template authoring with inheritance tree, tabs (attrs/alarms/scripts/compositions) - Lock indicators, on-demand validation, collision detection - Shared scripts with syntax check - External systems, DB connections, notification lists, Inbound API methods Phase 6 — Deployment Operations UI: - Staleness indicators, validation gating - Debug view (instance selection, attribute/alarm live tables) - Site event log viewer (filters, keyword search, keyset pagination) - Parked message management, Audit log viewer with JSON state Shared components: DataTable, ConfirmDialog, ToastNotification, LoadingSpinner, TimestampDisplay 623 tests pass, zero warnings. All Bootstrap 5, clean corporate design.
This commit is contained in:
Joseph Doherty
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@* Reusable confirmation dialog using Bootstrap modal *@
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@if (_visible)
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{
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<div class="modal-backdrop fade show"></div>
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<div class="modal fade show d-block" tabindex="-1" role="dialog">
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<div class="modal-dialog modal-dialog-centered" role="document">
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<div class="modal-content">
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<div class="modal-header">
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<h5 class="modal-title">@Title</h5>
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<button type="button" class="btn-close" @onclick="Cancel"></button>
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</div>
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<div class="modal-body">
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<p>@Message</p>
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</div>
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<div class="modal-footer">
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<button type="button" class="btn btn-outline-secondary btn-sm" @onclick="Cancel">Cancel</button>
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<button type="button" class="btn @ConfirmButtonClass btn-sm" @onclick="Confirm">@ConfirmText</button>
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</div>
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</div>
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</div>
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</div>
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}
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@code {
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private bool _visible;
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private TaskCompletionSource<bool>? _tcs;
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[Parameter] public string Title { get; set; } = "Confirm";
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[Parameter] public string Message { get; set; } = "Are you sure?";
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[Parameter] public string ConfirmText { get; set; } = "Confirm";
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[Parameter] public string ConfirmButtonClass { get; set; } = "btn-danger";
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public Task<bool> ShowAsync(string? message = null, string? title = null)
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{
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if (message != null) Message = message;
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if (title != null) Title = title;
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_visible = true;
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_tcs = new TaskCompletionSource<bool>();
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StateHasChanged();
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return _tcs.Task;
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}
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private void Confirm()
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{
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_visible = false;
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_tcs?.TrySetResult(true);
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}
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private void Cancel()
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{
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_visible = false;
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_tcs?.TrySetResult(false);
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}
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}
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128
src/ScadaLink.CentralUI/Components/Shared/DataTable.razor
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128
src/ScadaLink.CentralUI/Components/Shared/DataTable.razor
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@* Reusable data table with sorting, filtering, and pagination *@
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@typeparam TItem
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<div class="mb-2">
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@if (ShowSearch)
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{
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<div class="row mb-2">
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<div class="col-md-4">
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<input type="text" class="form-control form-control-sm" placeholder="Search..."
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@bind="_searchTerm" @bind:event="oninput" @bind:after="ApplyFilter" />
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</div>
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@if (FilterContent != null)
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{
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<div class="col-md-8 d-flex gap-2 align-items-center">
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@FilterContent
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</div>
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}
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</div>
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}
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</div>
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<table class="table table-sm table-striped table-hover">
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<thead class="table-dark">
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<tr>
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@HeaderContent
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</tr>
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</thead>
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<tbody>
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@if (_pagedItems.Count == 0)
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{
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<tr>
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<td colspan="100" class="text-muted text-center">@EmptyMessage</td>
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</tr>
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}
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else
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{
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@foreach (var item in _pagedItems)
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{
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@RowContent(item)
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}
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}
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</tbody>
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</table>
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@if (_totalPages > 1)
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{
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<nav>
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<ul class="pagination pagination-sm justify-content-end">
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<li class="page-item @(_currentPage <= 1 ? "disabled" : "")">
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<button class="page-link" @onclick="() => GoToPage(_currentPage - 1)">Previous</button>
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</li>
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@for (int i = 1; i <= _totalPages; i++)
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{
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var page = i;
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<li class="page-item @(page == _currentPage ? "active" : "")">
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<button class="page-link" @onclick="() => GoToPage(page)">@(page)</button>
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</li>
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}
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<li class="page-item @(_currentPage >= _totalPages ? "disabled" : "")">
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<button class="page-link" @onclick="() => GoToPage(_currentPage + 1)">Next</button>
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</li>
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</ul>
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</nav>
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}
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<div class="text-muted small">
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Showing @((_currentPage - 1) * PageSize + 1)–@Math.Min(_currentPage * PageSize, _filteredItems.Count) of @_filteredItems.Count items
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</div>
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@code {
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private string _searchTerm = string.Empty;
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private int _currentPage = 1;
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private List<TItem> _filteredItems = new();
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private List<TItem> _pagedItems = new();
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private int _totalPages;
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[Parameter, EditorRequired] public IReadOnlyList<TItem> Items { get; set; } = [];
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[Parameter, EditorRequired] public RenderFragment HeaderContent { get; set; } = default!;
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[Parameter, EditorRequired] public RenderFragment<TItem> RowContent { get; set; } = default!;
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[Parameter] public RenderFragment? FilterContent { get; set; }
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[Parameter] public int PageSize { get; set; } = 25;
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[Parameter] public bool ShowSearch { get; set; } = true;
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[Parameter] public string EmptyMessage { get; set; } = "No items found.";
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[Parameter] public Func<TItem, string, bool>? SearchFilter { get; set; }
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protected override void OnParametersSet()
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{
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ApplyFilter();
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}
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private void ApplyFilter()
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{
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if (!string.IsNullOrWhiteSpace(_searchTerm) && SearchFilter != null)
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{
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_filteredItems = Items.Where(i => SearchFilter(i, _searchTerm)).ToList();
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}
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else
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{
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_filteredItems = Items.ToList();
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}
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_totalPages = Math.Max(1, (int)Math.Ceiling(_filteredItems.Count / (double)PageSize));
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if (_currentPage > _totalPages) _currentPage = 1;
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UpdatePage();
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}
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private void GoToPage(int page)
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{
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if (page < 1 || page > _totalPages) return;
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_currentPage = page;
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UpdatePage();
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}
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private void UpdatePage()
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{
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_pagedItems = _filteredItems
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.Skip((_currentPage - 1) * PageSize)
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.Take(PageSize)
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.ToList();
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}
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public void Refresh()
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{
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ApplyFilter();
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StateHasChanged();
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}
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}
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@@ -0,0 +1,17 @@
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@* Reusable loading spinner *@
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@if (IsLoading)
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{
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<div class="d-flex align-items-center text-muted @CssClass">
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<div class="spinner-border spinner-border-sm me-2" role="status">
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<span class="visually-hidden">Loading...</span>
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</div>
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<span>@Message</span>
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</div>
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}
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@code {
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[Parameter] public bool IsLoading { get; set; }
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[Parameter] public string Message { get; set; } = "Loading...";
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[Parameter] public string CssClass { get; set; } = "";
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}
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@@ -0,0 +1,8 @@
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@* Displays a UTC DateTimeOffset formatted for display. Tooltip shows UTC value. *@
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<span title="@Value.UtcDateTime.ToString("yyyy-MM-dd HH:mm:ss") UTC">@Value.LocalDateTime.ToString(Format)</span>
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@code {
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[Parameter, EditorRequired] public DateTimeOffset Value { get; set; }
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[Parameter] public string Format { get; set; } = "yyyy-MM-dd HH:mm:ss";
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}
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@@ -0,0 +1,88 @@
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@* Reusable toast notification component *@
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@implements IDisposable
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<div class="position-fixed bottom-0 end-0 p-3" style="z-index: 1090;">
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@foreach (var toast in _toasts)
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{
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<div class="toast show mb-2" role="alert">
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<div class="toast-header @GetHeaderClass(toast.Type)">
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<strong class="me-auto">@toast.Title</strong>
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<button type="button" class="btn-close btn-close-white" @onclick="() => Dismiss(toast)"></button>
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</div>
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<div class="toast-body">@toast.Message</div>
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</div>
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}
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</div>
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@code {
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private readonly List<ToastItem> _toasts = new();
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private readonly object _lock = new();
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public void ShowSuccess(string message, string title = "Success")
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{
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AddToast(title, message, ToastType.Success);
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}
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public void ShowError(string message, string title = "Error")
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{
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AddToast(title, message, ToastType.Error);
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}
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public void ShowWarning(string message, string title = "Warning")
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{
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AddToast(title, message, ToastType.Warning);
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}
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public void ShowInfo(string message, string title = "Info")
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{
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AddToast(title, message, ToastType.Info);
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}
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private void AddToast(string title, string message, ToastType type)
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{
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var toast = new ToastItem { Title = title, Message = message, Type = type };
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lock (_lock)
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{
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_toasts.Add(toast);
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}
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StateHasChanged();
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// Auto-dismiss after 5 seconds
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_ = Task.Delay(5000).ContinueWith(_ =>
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{
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lock (_lock)
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{
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_toasts.Remove(toast);
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}
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InvokeAsync(StateHasChanged);
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});
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}
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private void Dismiss(ToastItem toast)
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{
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lock (_lock)
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{
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_toasts.Remove(toast);
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}
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}
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private static string GetHeaderClass(ToastType type) => type switch
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{
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ToastType.Success => "bg-success text-white",
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ToastType.Error => "bg-danger text-white",
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ToastType.Warning => "bg-warning text-dark",
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ToastType.Info => "bg-info text-dark",
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_ => "bg-secondary text-white"
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};
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public void Dispose() { }
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private enum ToastType { Success, Error, Warning, Info }
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private class ToastItem
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{
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public string Title { get; init; } = "";
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public string Message { get; init; } = "";
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public ToastType Type { get; init; }
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}
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}
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