✨(front) integrate mobile views into Scheduler component

Wire mobile components into the main Scheduler, adapt
useSchedulerInit for mobile viewport, update EventModal
and MiniCalendar for responsive behavior.

src/frontend/apps/calendars/src/features/calendar/components/left-panel/MiniCalendar.tsx

@@ -4,6 +4,7 @@
 
 import { useEffect, useMemo, useState } from "react";
 
+import { useIsMobile } from "@/hooks/useIsMobile";
 import {
   addMonths,
   eachDayOfInterval,
@@ -21,6 +22,7 @@ import { useTranslation } from "react-i18next";
 import { useCalendarContext } from "../../contexts";
 import { useCalendarLocale } from "../../hooks/useCalendarLocale";
 import { Button } from "@gouvfr-lasuite/cunningham-react";
+import { useLeftPanel } from "@/features/layouts/contexts/LeftPanelContext";
 
 interface MiniCalendarProps {
   selectedDate: Date;
@@ -42,6 +44,9 @@ export const MiniCalendar = ({
 }: MiniCalendarProps) => {
   const { t } = useTranslation();
   const { goToDate, currentDate } = useCalendarContext();
+  const leftPanel = useLeftPanel();
+  const isMobile = useIsMobile();
+
   const { dateFnsLocale, firstDayOfWeek } = useCalendarLocale();
   const [viewDate, setViewDate] = useState(selectedDate);
 
@@ -98,6 +103,9 @@ export const MiniCalendar = ({
   const handleDayClick = (day: Date) => {
     onDateSelect(day);
     goToDate(day);
+    if (isMobile) {
+      leftPanel.setIsLeftPanelOpen(false);
+    }
   };
 
   return (

src/frontend/apps/calendars/src/features/calendar/components/scheduler/EventModal.tsx

@@ -24,6 +24,7 @@ import { InvitationResponseSection } from "./event-modal-sections/InvitationResp
 import { FreeBusySection } from "./event-modal-sections/FreeBusySection";
 import { SectionPills } from "./event-modal-sections/SectionPills";
 import { useResourcePrincipals } from "@/features/resources/api/useResourcePrincipals";
+import { useIsMobile } from "@/hooks/useIsMobile";
 import type { EventModalProps, RecurringDeleteOption } from "./types";
 import { SectionRow } from "./event-modal-sections/SectionRow";
 
@@ -41,6 +42,7 @@ export const EventModal = ({
 }: EventModalProps) => {
   const { t } = useTranslation();
   const { user } = useAuth();
+  const isMobile = useIsMobile();
   const [isLoading, setIsLoading] = useState(false);
   const [showDeleteModal, setShowDeleteModal] = useState(false);
 
@@ -191,7 +193,7 @@ export const EventModal = ({
       <Modal
         isOpen={isOpen}
         onClose={onClose}
-        size={ModalSize.MEDIUM}
+        size={isMobile ? ModalSize.FULL : ModalSize.MEDIUM}
         title={
           mode === "create"
             ? t("calendar.event.createTitle")

src/frontend/apps/calendars/src/features/calendar/components/scheduler/Scheduler.tsx

@@ -9,6 +9,7 @@
  * - Click to create (dateClick)
  * - Select range to create (select)
  * - Custom toolbar with navigation and view selection
+ * - Mobile-optimized views (1 day, 2 days, list)
  *
  * Next.js consideration: This component must be client-side only
  * due to DOM manipulation. Use dynamic import with ssr: false if needed.
@@ -16,19 +17,57 @@
 
 import "@event-calendar/core/index.css";
 
+import dynamic from "next/dynamic";
 import { useCallback, useEffect, useRef, useState } from "react";
 
 import { useCalendarContext } from "../../contexts/CalendarContext";
+import { useCalendarLocale } from "../../hooks/useCalendarLocale";
 import type { CalDavCalendar } from "../../services/dav/types/caldav-service";
+import type { CalDavExtendedProps } from "../../services/dav/EventCalendarAdapter";
+import type { EventCalendarEvent } from "../../services/dav/types/event-calendar";
+import { useIsMobile } from "@/hooks/useIsMobile";
 
 import { EventModal } from "./EventModal";
 import { SchedulerToolbar } from "./SchedulerToolbar";
-import type { SchedulerProps, EventModalState } from "./types";
+import type { SchedulerProps, EventModalState, MobileListEvent } from "./types";
 import { useSchedulerHandlers } from "./hooks/useSchedulerHandlers";
 import {
   useSchedulerInit,
   useSchedulingCapabilitiesCheck,
 } from "./hooks/useSchedulerInit";
+import { useMobileNavigation } from "./hooks/useMobileNavigation";
+
+const MobileToolbar = dynamic(
+  () =>
+    import("./mobile/MobileToolbar").then((m) => ({
+      default: m.MobileToolbar,
+    })),
+  { ssr: false },
+);
+
+const WeekDayBar = dynamic(
+  () =>
+    import("./mobile/WeekDayBar").then((m) => ({ default: m.WeekDayBar })),
+  { ssr: false },
+);
+
+const FloatingActionButton = dynamic(
+  () =>
+    import("./mobile/FloatingActionButton").then((m) => ({
+      default: m.FloatingActionButton,
+    })),
+  { ssr: false },
+);
+
+const MobileListView = dynamic(
+  () =>
+    import("./mobile/MobileListView").then((m) => ({
+      default: m.MobileListView,
+    })),
+  { ssr: false },
+);
+
+const BROWSER_TIMEZONE = Intl.DateTimeFormat().resolvedOptions().timeZone;
 
 export const Scheduler = ({ defaultCalendarUrl }: SchedulerProps) => {
   const {
@@ -38,9 +77,13 @@ export const Scheduler = ({ defaultCalendarUrl }: SchedulerProps) => {
     visibleCalendarUrls,
     isConnected,
     calendarRef: contextCalendarRef,
+    currentDate,
     setCurrentDate,
   } = useCalendarContext();
 
+  const isMobile = useIsMobile();
+  const { firstDayOfWeek, intlLocale } = useCalendarLocale();
+
   const containerRef = useRef<HTMLDivElement>(null);
   const calendarRef = contextCalendarRef;
   const [calendarUrl, setCalendarUrl] = useState(defaultCalendarUrl || "");
@@ -103,8 +146,15 @@ export const Scheduler = ({ defaultCalendarUrl }: SchedulerProps) => {
       view?: { type: string; title: string };
     }) => {
       // Update current date for MiniCalendar sync
-      const midTime = (info.start.getTime() + info.end.getTime()) / 2;
-      setCurrentDate(new Date(midTime));
+      // Use start for short views (day, 2-day) to avoid mid-point drift,
+      // use midpoint for longer views (week, month) for better centering
+      const durationMs = info.end.getTime() - info.start.getTime();
+      const threeDaysMs = 3 * 24 * 60 * 60 * 1000;
+      const syncDate =
+        durationMs <= threeDaysMs
+          ? info.start
+          : new Date((info.start.getTime() + info.end.getTime()) / 2);
+      setCurrentDate(syncDate);
 
       // Update toolbar state
       if (calendarRef.current) {
@@ -118,6 +168,12 @@ export const Scheduler = ({ defaultCalendarUrl }: SchedulerProps) => {
     [setCurrentDate, calendarRef],
   );
 
+  // Counter incremented each time the calendar finishes loading events
+  const [eventsLoadedCounter, setEventsLoadedCounter] = useState(0);
+  const handleEventsLoaded = useCallback(() => {
+    setEventsLoadedCounter((c) => c + 1);
+  }, []);
+
   // Initialize calendar
   // Cast handlers to bypass library type differences between specific event types and unknown
   useSchedulerInit({
@@ -129,12 +185,14 @@ export const Scheduler = ({ defaultCalendarUrl }: SchedulerProps) => {
     adapter,
     visibleCalendarUrlsRef,
     davCalendarsRef,
+    initialView: isMobile ? "timeGridDay" : "timeGridWeek",
     setCurrentDate: handleDatesSet,
     handleEventClick: handleEventClick as (info: unknown) => void,
     handleEventDrop: handleEventDrop as unknown as (info: unknown) => void,
     handleEventResize: handleEventResize as unknown as (info: unknown) => void,
     handleDateClick: handleDateClick as (info: unknown) => void,
     handleSelect: handleSelect as (info: unknown) => void,
+    onEventsLoaded: handleEventsLoaded,
   });
 
   // Update toolbar title on initial render
@@ -151,32 +209,173 @@ export const Scheduler = ({ defaultCalendarUrl }: SchedulerProps) => {
   // Update eventFilter when visible calendars change
   useEffect(() => {
     if (calendarRef.current) {
-      // The refs are already updated (synchronously during render)
-      // Now trigger a re-evaluation of eventFilter by calling refetchEvents
       calendarRef.current.refetchEvents();
     }
   }, [visibleCalendarUrls, davCalendars]);
 
-  const handleViewChange = useCallback((view: string) => {
-    setCurrentView(view);
-  }, []);
+  const handleViewChange = useCallback(
+    (view: string) => {
+      calendarRef.current?.setOption("view", view);
+      setCurrentView(view);
+    },
+    [calendarRef],
+  );
+
+  // Auto-switch view when crossing mobile/desktop breakpoint
+  const prevIsMobileRef = useRef(isMobile);
+  useEffect(() => {
+    if (prevIsMobileRef.current === isMobile) return;
+    prevIsMobileRef.current = isMobile;
+    const targetView = isMobile ? "timeGridDay" : "timeGridWeek";
+    handleViewChange(targetView);
+  }, [isMobile, handleViewChange]);
+
+  // Mobile list view events (extracted from ref via effect to avoid ref access during render)
+  const [listEvents, setListEvents] = useState<MobileListEvent[]>([]);
+  const isListView = isMobile && currentView === "listWeek";
+  const currentDateMs = currentDate.getTime();
+
+  useEffect(() => {
+    if (!isListView || !calendarRef.current) {
+      setListEvents([]);
+      return;
+    }
+
+    const extractTitle = (
+      title: string | { html: string } | { domNodes: Node[] } | undefined,
+    ): string => {
+      if (!title) return "";
+      if (typeof title === "string") return title;
+      if ("html" in title) {
+        const div = document.createElement("div");
+        div.innerHTML = title.html;
+        return div.textContent || "";
+      }
+      return "";
+    };
+
+    const rawEvents = calendarRef.current.getEvents();
+    const parsed: MobileListEvent[] = rawEvents.map((e) => ({
+      id: String(e.id),
+      title: extractTitle(e.title),
+      start: new Date(e.start),
+      end: e.end ? new Date(e.end) : new Date(e.start),
+      allDay: e.allDay ?? false,
+      backgroundColor: e.backgroundColor || "#2563eb",
+      extendedProps: e.extendedProps ?? {},
+    }));
+    setListEvents(parsed);
+  }, [isListView, currentDateMs, visibleCalendarUrls, eventsLoadedCounter]);
+
+  // Mobile navigation
+  const {
+    weekDays,
+    handleWeekPrev,
+    handleWeekNext,
+    handleDayClick,
+    handleTodayClick,
+  } = useMobileNavigation({
+    currentDate,
+    firstDayOfWeek,
+    calendarRef,
+  });
+
+  // FAB click: open create modal with current date/time
+  const handleFabClick = useCallback(() => {
+    const now = new Date();
+    const startDate = new Date(currentDate);
+    startDate.setHours(now.getHours(), 0, 0, 0);
+    const endDate = new Date(startDate);
+    endDate.setHours(startDate.getHours() + 1);
+
+    const defaultUrl = calendarUrl || davCalendars[0]?.url || "";
+
+    setModalState({
+      isOpen: true,
+      mode: "create",
+      event: {
+        uid: crypto.randomUUID(),
+        stamp: { date: new Date() },
+        start: { date: startDate, type: "DATE-TIME" },
+        end: { date: endDate, type: "DATE-TIME" },
+      },
+      calendarUrl: defaultUrl,
+    });
+  }, [currentDate, calendarUrl, davCalendars]);
+
+  // Mobile list view event click
+  const handleMobileEventClick = useCallback(
+    (eventId: string, extendedProps: Record<string, unknown>) => {
+      const events = calendarRef.current?.getEvents() ?? [];
+      const event = events.find((e) => String(e.id) === eventId);
+      if (!event) return;
+
+      const extProps = extendedProps as CalDavExtendedProps;
+      const icsEvent = adapter.toIcsEvent(event as EventCalendarEvent, {
+        defaultTimezone: extProps?.timezone || BROWSER_TIMEZONE,
+      });
+
+      setModalState({
+        isOpen: true,
+        mode: "edit",
+        event: icsEvent,
+        calendarUrl: extProps?.calendarUrl || calendarUrl,
+        eventUrl: extProps?.eventUrl,
+        etag: extProps?.etag,
+      });
+    },
+    [adapter, calendarUrl, calendarRef],
+  );
 
   return (
     <div className="scheduler">
-      <SchedulerToolbar
-        calendarRef={calendarRef}
-        currentView={currentView}
-        viewTitle={viewTitle}
-        onViewChange={handleViewChange}
-      />
+      {isMobile ? (
+        <>
+          <MobileToolbar
+            calendarRef={calendarRef}
+            currentView={currentView}
+            currentDate={currentDate}
+            onViewChange={handleViewChange}
+            onWeekPrev={handleWeekPrev}
+            onWeekNext={handleWeekNext}
+            onTodayClick={handleTodayClick}
+          />
+          <WeekDayBar
+            currentDate={currentDate}
+            currentView={currentView}
+            intlLocale={intlLocale}
+            weekDays={weekDays}
+            onDayClick={handleDayClick}
+          />
+        </>
+      ) : (
+        <SchedulerToolbar
+          calendarRef={calendarRef}
+          currentView={currentView}
+          viewTitle={viewTitle}
+          onViewChange={handleViewChange}
+        />
+      )}
 
+      {isListView && (
+        <MobileListView
+          weekDays={weekDays}
+          events={listEvents}
+          intlLocale={intlLocale}
+          onEventClick={handleMobileEventClick}
+        />
+      )}
       <div
         ref={containerRef}
         id="event-calendar"
         className="scheduler__calendar"
-        style={{ height: "calc(100vh - 52px - 90px)" }}
+        style={{
+          display: isListView ? "none" : undefined,
+        }}
       />
 
+      {isMobile && <FloatingActionButton onClick={handleFabClick} />}
+
       <EventModal
         isOpen={modalState.isOpen}
         mode={modalState.mode}

src/frontend/apps/calendars/src/features/calendar/components/scheduler/hooks/useSchedulerInit.ts

@@ -33,12 +33,14 @@ interface UseSchedulerInitProps {
   adapter: EventCalendarAdapter;
   visibleCalendarUrlsRef: MutableRefObject<Set<string>>;
   davCalendarsRef: MutableRefObject<CalDavCalendar[]>;
+  initialView?: string;
   setCurrentDate: (info: { start: Date; end: Date }) => void;
   handleEventClick: (info: unknown) => void;
   handleEventDrop: (info: unknown) => void;
   handleEventResize: (info: unknown) => void;
   handleDateClick: (info: unknown) => void;
   handleSelect: (info: unknown) => void;
+  onEventsLoaded?: () => void;
 }
 
 // Helper to get current time as HH:MM string
@@ -56,12 +58,14 @@ export const useSchedulerInit = ({
   adapter,
   visibleCalendarUrlsRef,
   davCalendarsRef,
+  initialView = "timeGridWeek",
   setCurrentDate,
   handleEventClick,
   handleEventDrop,
   handleEventResize,
   handleDateClick,
   handleSelect,
+  onEventsLoaded,
 }: UseSchedulerInitProps) => {
   const { t, i18n } = useTranslation();
   const { calendarLocale, firstDayOfWeek, formatDayHeader } = useCalendarLocale();
@@ -78,6 +82,7 @@ export const useSchedulerInit = ({
     handleDateClick,
     handleSelect,
     setCurrentDate,
+    onEventsLoaded,
   });
 
   // Update refs when handlers change (no effect dependencies = no calendar recreation)
@@ -89,6 +94,7 @@ export const useSchedulerInit = ({
       handleDateClick,
       handleSelect,
       setCurrentDate,
+      onEventsLoaded,
     };
   });
 
@@ -100,10 +106,18 @@ export const useSchedulerInit = ({
       [TimeGrid, DayGrid, List, Interaction],
       {
         // View configuration
-        view: "timeGridWeek",
+        view: initialView,
         // Native toolbar disabled - using custom React toolbar (SchedulerToolbar)
         headerToolbar: false,
 
+        // Custom views
+        views: {
+          timeGridTwoDays: {
+            type: "timeGridDay",
+            duration: { days: 2 },
+          },
+        },
+
         // Locale & time settings
         locale: calendarLocale,
         firstDay: firstDayOfWeek,
@@ -246,7 +260,12 @@ export const useSchedulerInit = ({
           },
         ],
 
-        // Loading state is handled internally by the calendar
+        // Notify when events finish loading (used by mobile list view)
+        loading: (isLoading: boolean) => {
+          if (!isLoading) {
+            handlersRef.current.onEventsLoaded?.();
+          }
+        },
       }
     );
 

src/frontend/apps/calendars/src/styles/globals.scss

@@ -22,6 +22,10 @@
 @use "./../features/calendar/components/scheduler/event-modal-sections/InvitationResponseSection";
 @use "./../features/calendar/components/scheduler/event-modal-sections/SectionPill";
 @use "./../features/calendar/components/scheduler/FreeBusyTimeline";
+@use "./../features/calendar/components/scheduler/mobile/WeekDayBar";
+@use "./../features/calendar/components/scheduler/mobile/MobileToolbar";
+@use "./../features/calendar/components/scheduler/mobile/FloatingActionButton";
+@use "./../features/calendar/components/scheduler/mobile/MobileListView";
 @use "./../features/resources/components/Resources";
 @use "./../features/settings/components/WorkingHoursSettings";
 @use "./../pages/index" as *;
@@ -103,6 +107,13 @@ body {
   height: 28px;
 }
 
+// Scoped to full-screen modals (mobile event modal uses FULL size)
+.c__modal--full .c__modal__close button {
+  @media (max-width: 768px) {
+    right: 0 !important;
+  }
+}
+
 .c__modal__scroller {
   padding-top: 1rem;
 }