Add BitFullCalendar extras component (#12449)

src/BlazorUI/Bit.BlazorUI.Extras/Components/FullCalendar/BitFcCalendarBody.razor

@@ -0,0 +1,44 @@
+@namespace Bit.BlazorUI
+@implements IDisposable
+
+<div class="bit-bfc-body" @key="(State.Mode, State.View)">
+    @if (State.Mode == BitFullCalendarMode.Timeline)
+    {
+        switch (State.View)
+        {
+            case BitFullCalendarView.Day:
+                <BitFcTimelineDayView Events="State.Events.ToList()" EventTemplate="TimelineEventTemplate" />
+                break;
+            case BitFullCalendarView.Week:
+                <BitFcTimelineWeekView Events="State.Events.ToList()" EventTemplate="TimelineEventTemplate" />
+                break;
+            case BitFullCalendarView.Month:
+                <BitFcTimelineMonthView Events="State.Events.ToList()" EventTemplate="TimelineEventTemplate" />
+                break;
+            default:
+                <BitFcTimelineWeekView Events="State.Events.ToList()" EventTemplate="TimelineEventTemplate" />
+                break;
+        }
+    }
+    else
+    {
+        switch (State.View)
+        {
+            case BitFullCalendarView.Month:
+                <BitFcCalendarMonthView SingleDayEvents="_singleDayEvents" MultiDayEvents="_multiDayEvents" EventTemplate="MonthEventTemplate" />
+                break;
+            case BitFullCalendarView.Week:
+                <BitFcCalendarWeekView SingleDayEvents="_singleDayEvents" MultiDayEvents="_multiDayEvents" EventTemplate="WeekEventTemplate" />
+                break;
+            case BitFullCalendarView.Day:
+                <BitFcCalendarDayView SingleDayEvents="_singleDayEvents" MultiDayEvents="_multiDayEvents" EventTemplate="DayEventTemplate" />
+                break;
+            case BitFullCalendarView.Year:
+                <BitFcCalendarYearView SingleDayEvents="_singleDayEvents" MultiDayEvents="_multiDayEvents" />
+                break;
+            case BitFullCalendarView.Agenda:
+                <BitFcAgendaEvents />
+                break;
+        }
+    }
+</div>

src/BlazorUI/Bit.BlazorUI.Extras/Components/FullCalendar/BitFcCalendarBody.razor.cs

@@ -0,0 +1,34 @@
+namespace Bit.BlazorUI;
+
+public partial class BitFcCalendarBody
+{
+    [CascadingParameter] public BitFullCalendarState State { get; set; } = default!;
+
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? MonthEventTemplate { get; set; }
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? WeekEventTemplate { get; set; }
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? DayEventTemplate { get; set; }
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? TimelineEventTemplate { get; set; }
+
+    private List<BitFullCalendarEvent> _singleDayEvents = [];
+    private List<BitFullCalendarEvent> _multiDayEvents = [];
+
+    protected override void OnInitialized()
+    {
+        State.OnStateChanged += Refresh;
+        ComputeEvents();
+    }
+
+    private void Refresh()
+    {
+        ComputeEvents();
+        InvokeAsync(StateHasChanged);
+    }
+
+    private void ComputeEvents()
+    {
+        _singleDayEvents = State.Events.Where(e => e.IsSingleDay).ToList();
+        _multiDayEvents = State.Events.Where(e => e.IsMultiDay).ToList();
+    }
+
+    public void Dispose() => State.OnStateChanged -= Refresh;
+}

src/BlazorUI/Bit.BlazorUI.Extras/Components/FullCalendar/BitFcCalendarToast.razor

@@ -0,0 +1,10 @@
+@namespace Bit.BlazorUI
+
+<div class="bit-bfc-toast-container">
+    @foreach (var toast in _toasts)
+    {
+        <div class="bit-bfc-toast @(toast.IsError ? "error" : "success")">
+            @toast.Message
+        </div>
+    }
+</div>

src/BlazorUI/Bit.BlazorUI.Extras/Components/FullCalendar/BitFcCalendarToast.razor.cs

@@ -0,0 +1,29 @@
+namespace Bit.BlazorUI;
+
+public partial class BitFcCalendarToast
+{
+    private readonly List<ToastItem> _toasts = [];
+    private int _nextId;
+
+    public void Show(string message, bool isError = false)
+    {
+        var item = new ToastItem { Id = _nextId++, Message = message, IsError = isError };
+        _toasts.Add(item);
+        StateHasChanged();
+        _ = RemoveAfterDelay(item.Id);
+    }
+
+    private async Task RemoveAfterDelay(int id)
+    {
+        await Task.Delay(3000);
+        _toasts.RemoveAll(t => t.Id == id);
+        await InvokeAsync(StateHasChanged);
+    }
+
+    private class ToastItem
+    {
+        public int Id { get; set; }
+        public string Message { get; set; } = "";
+        public bool IsError { get; set; }
+    }
+}

src/BlazorUI/Bit.BlazorUI.Extras/Components/FullCalendar/BitFullCalendar.razor

@@ -0,0 +1,12 @@
+@namespace Bit.BlazorUI
+
+<BitCascadingValueProvider ValueList="BuildCascadingValues()">
+    <div class="bit-bfc" dir="@(State.IsRtl ? "rtl" : "ltr")">
+        <BitFcCalendarHeader />
+        <BitFcCalendarBody MonthEventTemplate="MonthEventTemplate"
+                           WeekEventTemplate="WeekEventTemplate"
+                           DayEventTemplate="DayEventTemplate"
+                           TimelineEventTemplate="TimelineEventTemplate" />
+        <BitFcCalendarToast />
+    </div>
+</BitCascadingValueProvider>

src/BlazorUI/Bit.BlazorUI.Extras/Components/FullCalendar/BitFullCalendar.razor.cs

@@ -0,0 +1,213 @@
+using System.Globalization;
+
+namespace Bit.BlazorUI;
+
+public partial class BitFullCalendar : IDisposable
+{
+    /// <summary>
+    /// Events displayed in the calendar. Assign a list from parent state; updates are synced on each
+    /// render when the reference or contents change. User-driven add, edit, and delete actions are
+    /// reported through <see cref="OnChange"/> — update this list (or your backing store) in the handler
+    /// to keep the UI in sync.
+    /// </summary>
+    [Parameter] public List<BitFullCalendarEvent>? Events { get; set; }
+
+    /// <summary>
+    /// Culture for the calendar. Accepts any CultureInfo, e.g. new CultureInfo("fa-IR").
+    /// NOTE: do NOT use this parameter when the component is rendered with
+    /// @rendermode="InteractiveServer" - CultureInfo is not JSON-serializable.
+    /// Use <see cref="CultureName"/> instead for server-interactive scenarios.
+    /// </summary>
+    [Parameter] public CultureInfo? Culture { get; set; }
+
+    /// <summary>
+    /// Culture name string (e.g. "fa-IR", "ar-SA", "fr-FR").
+    /// Preferred over <see cref="Culture"/> when using @rendermode="InteractiveServer"
+    /// because plain strings are safely serialized by Blazor's parameter persistence.
+    /// When both are supplied, CultureName takes precedence.
+    /// Blazor WebAssembly hosts must set <c>BlazorWebAssemblyLoadAllGlobalizationData</c> to
+    /// <c>true</c> (or load a custom ICU shard) for cultures outside the default EFIGS/CJK shards.
+    /// </summary>
+    [Parameter] public string? CultureName { get; set; }
+
+    /// <summary>
+    /// Localized strings for calendar UI labels, buttons, dialogs, filters, and accessibility text.
+    /// Defaults to English; override individual properties on a <see cref="BitFullCalendarTexts"/>
+    /// instance to localize the component without replacing built-in dialogs.
+    /// </summary>
+    [Parameter] public BitFullCalendarTexts Texts { get; set; } = new();
+
+    /// <summary>
+    /// Ordered list of event colors shown in pickers, filters, agenda headers, badges, and bullets.
+    /// Each entry has its own <see cref="BitFullCalendarColorOption.Id"/> (matched against
+    /// <see cref="BitFullCalendarEvent.Color"/>), <see cref="BitFullCalendarColorOption.Title"/>
+    /// (the display name shown verbatim — for example <c>"SkyBlue"</c>), and
+    /// <see cref="BitFullCalendarColorOption.Value"/> (any CSS color value used for swatches and badges).
+    /// When <c>null</c> or empty, <see cref="BitFullCalendarColorOption.Defaults"/> is used.
+    /// </summary>
+    [Parameter] public IReadOnlyList<BitFullCalendarColorOption>? EventColorOptions { get; set; }
+
+    /// <summary>
+    /// Resources displayed as rows in the resource timeline view. When <c>null</c> or empty,
+    /// the resource timeline tab is hidden from the header. Each event's
+    /// <see cref="BitFullCalendarEvent.Resource"/> is matched against the resource <c>Id</c>.
+    /// </summary>
+    [Parameter] public IReadOnlyList<BitFullCalendarResource>? Resources { get; set; }
+
+    /// <summary>
+    /// Raised when a user adds, edits, or deletes an event in the calendar UI.
+    /// </summary>
+    [Parameter] public EventCallback<BitFullCalendarChangeEventArgs> OnChange { get; set; }
+
+    /// <summary>
+    /// When assigned, the built-in add dialog is suppressed. The callback receives a draft
+    /// <see cref="BitFullCalendarEvent"/> with <see cref="BitFullCalendarEvent.StartDate"/> and
+    /// <see cref="BitFullCalendarEvent.EndDate"/> set from the interaction (for example the clicked day/week slot);
+    /// <see cref="BitFullCalendarEvent.Id"/> is empty and other fields are left at defaults.
+    /// Consumers should show their own UI and
+    /// raise <see cref="OnChange"/> (or mutate <see cref="Events"/> bound to parent state) after persisting changes.
+    /// </summary>
+    [Parameter] public EventCallback<BitFullCalendarEvent?> OnAddClick { get; set; }
+
+    /// <summary>
+    /// When assigned, the built-in event details dialog is suppressed when an event is clicked.
+    /// The callback receives the clicked <see cref="BitFullCalendarEvent"/>. Consumers should
+    /// show their own event details UI. This applies to all views (day, week, month, agenda) and
+    /// to multi-day event rows and event list dialogs.
+    /// </summary>
+    [Parameter] public EventCallback<BitFullCalendarEvent> OnEventClick { get; set; }
+
+    /// <summary>
+    /// Raised when the visible date range changes — for example when the user navigates
+    /// with prev/next/today buttons or switches views. The callback receives the inclusive
+    /// start and end dates of the new range together with the active view.
+    /// </summary>
+    [Parameter] public EventCallback<BitFullCalendarDateChangeEventArgs> OnDateChange { get; set; }
+
+    /// <summary>
+    /// Optional template for customizing event rendering in the day view.
+    /// When provided, replaces the default event card content inside the time-grid blocks.
+    /// </summary>
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? DayEventTemplate { get; set; }
+
+    /// <summary>
+    /// Optional template for customizing event rendering in the week view.
+    /// When provided, replaces the default event card content inside the time-grid blocks.
+    /// </summary>
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? WeekEventTemplate { get; set; }
+
+    /// <summary>
+    /// Optional template for customizing event rendering in the month view.
+    /// When provided, replaces the default event badge content inside month grid cells.
+    /// </summary>
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? MonthEventTemplate { get; set; }
+
+    /// <summary>
+    /// Optional template for customizing event rendering in the resource timeline view.
+    /// When provided, replaces the default event card content inside the timeline blocks.
+    /// </summary>
+    [Parameter] public RenderFragment<BitFullCalendarEvent>? TimelineEventTemplate { get; set; }
+
+    /// <summary>
+    /// When <c>true</c>, the built-in color and attendee filter dropdowns are hidden from the calendar header.
+    /// Consumers can provide their own external filter UI and pass pre-filtered events to the calendar.
+    /// </summary>
+    [Parameter] public bool HideFilters { get; set; }
+
+    /// <summary>
+    /// When <c>true</c>, the built-in settings gear button is hidden from the calendar header.
+    /// Consumers can still drive settings programmatically through the <see cref="Options"/> object.
+    /// </summary>
+    [Parameter] public bool HideSettings { get; set; }
+
+    /// <summary>
+    /// Configuration options controlling initial calendar preferences
+    /// such as dark mode, time format, badge variant, day start hour, and agenda grouping.
+    /// Values are applied when the component initializes or when a new instance is assigned.
+    /// </summary>
+    [Parameter] public BitFullCalendarOptions Options { get; set; } = new();
+
+    /// <summary>
+    /// Initial layout mode. <see cref="BitFullCalendarMode.Event"/> shows the standard
+    /// day/week/month/year/agenda views. <see cref="BitFullCalendarMode.Timeline"/> switches to
+    /// the resource × time layout (day, week, month) and requires <see cref="Resources"/> to contain
+    /// at least one entry; otherwise the Timeline tab and mode have no effect.
+    /// </summary>
+    [Parameter] public BitFullCalendarMode? InitialMode { get; set; }
+
+    public BitFullCalendarState State { get; set; } = new();
+    private BitFullCalendarChangeNotifier _changeNotifier = default!;
+    private BitFullCalendarColorScheme _colorScheme = new(null);
+    private BitFullCalendarOptions? _appliedOptions;
+
+    private BitCascadingValueList BuildCascadingValues() => new()
+    {
+        { State },
+        { Texts },
+        { _changeNotifier },
+        { _colorScheme },
+        { Options },
+        { HideFilters, "HideFilters" },
+        { HideSettings, "HideSettings" },
+        { OnAddClick, "OnAddClick" },
+        { OnEventClick, "OnEventClick" },
+    };
+
+    private CultureInfo ResolveCulture() =>
+        CultureName is { Length: > 0 } name
+            ? new CultureInfo(name)
+            : Culture ?? CultureInfo.CurrentUICulture;
+
+    protected override void OnInitialized()
+    {
+        State.Initialize(Events ?? [], ResolveCulture());
+        ApplyOptions();
+        if (InitialMode.HasValue)
+            State.SetMode(InitialMode.Value);
+        _changeNotifier = new BitFullCalendarChangeNotifier(State, args => OnChange.InvokeAsync(args));
+        State.OnStateChanged += HandleStateChanged;
+        State.OnDateRangeChanged += HandleDateRangeChanged;
+    }
+
+    protected override void OnParametersSet()
+    {
+        _colorScheme = new BitFullCalendarColorScheme(EventColorOptions);
+        var resolved = ResolveCulture();
+        if (!string.Equals(resolved.Name, State.Culture.Name, StringComparison.Ordinal))
+            State.SetCulture(resolved);
+
+        if (Events is not null)
+            State.SyncEvents(Events);
+
+        State.SyncResources(Resources);
+
+        ApplyOptions();
+    }
+
+    private void ApplyOptions()
+    {
+        if (ReferenceEquals(Options, _appliedOptions))
+            return;
+
+        _appliedOptions = Options;
+        State.SetUse24HourFormat(Options.Use24HourFormat);
+        State.SetBadgeVariant(Options.BadgeVariant);
+        State.SetStartOfDayHour(Options.StartOfDayHour);
+        State.SetAgendaModeGroupBy(Options.AgendaModeGroupBy);
+    }
+
+    private void HandleStateChanged() => InvokeAsync(StateHasChanged);
+
+    private void HandleDateRangeChanged(BitFullCalendarDateChangeEventArgs args)
+    {
+        InvokeAsync(() => OnDateChange.InvokeAsync(args));
+    }
+
+
+
+    public void Dispose()
+    {
+        State.OnStateChanged -= HandleStateChanged;
+        State.OnDateRangeChanged -= HandleDateRangeChanged;
+    }
+}