Employee Shift Scheduling

Use the summary mode of the timeline view with eventDisplay: 'fill' that can be configured under the timeline settings of the view option.

This will give you summarized daily events similar to the event calendar labels where each event is printed under the appropriate day, time slot (shift) for the appropriate resource one after the other.

Build a custom add/edit dialog with the necessary fields. The event dialog can be fully custom as seen in this CRUD example.

Customize the dialog header with a custom header renderer function using the renderHeader option.

Get started with this example

Demo

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Plan employee shifts on a Timeline — show workers as resource rows with morning and afternoon slots, and manage shifts with a custom add/edit dialog.

Code

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import {
  Button,
  Datepicker,
  Eventcalendar,
  formatDate,
  Input,
  Popup,
  setOptions,
  Snackbar,
  Textarea ,
  Toast,
} from '@mobiscroll/react';
import { useCallback, useMemo, useState } from 'react';

setOptions({
  locale:  ,
  theme: ' ',
  themeVariant: ' '
});

const defaultShifts = [
  {
    start: '2026-10-21T07:00',
    end: '2026-10-21T13:00',
    title: '07:00 - 13:00',
    resource: 1,
    slot: 1,
  },
  {
    start: '2026-10-21T07:00',
    end: '2026-10-21T13:00',
    title: '07:00 - 13:00',
    resource: 7,
    slot: 1,
  },
  {
    start: '2026-10-21T12:00',
    end: '2026-10-21T18:00',
    title: '12:00 - 18:00',
    resource: 3,
    slot: 2,
  },
  {
    start: '2026-10-21T12:00',
    end: '2026-10-21T18:00',
    title: '12:00 - 18:00',
    resource: 8,
    slot: 2,
  },
  {
    start: '2026-10-22T07:00',
    end: '2026-10-22T13:00',
    title: '07:00 - 13:00',
    resource: 4,
    slot: 1,
  },
  // Showing partial data. Download full source.
];

function App() {
  const [shifts, setShifts] = useState(defaultShifts);
  const [shift, setShift] = useState();
  const [shiftDates, setShiftDates] = useState([]);
  const [shiftNotes, setShiftNotes] = useState();
  const [deletedShift, setDeletedShift] = useState();
  const [startInput, setStartInput] = useState();
  const [endInput, setEndInput] = useState();
  const [minTime, setMinTime] = useState();
  const [maxTime, setMaxTime] = useState();
  const [headerPrimary, setHeaderPrimary] = useState('');
  const [headerDate, setHeaderDate] = useState('');
  const [toastMessage, setToastMessage] = useState();
  const [isEdit, setEdit] = useState(false);
  const [isPopupOpen, setPopupOpen] = useState(false);
  const [isSnackbarOpen, setSnackbarOpen] = useState(false);
  const [isToastOpen, setToastOpen] = useState(false);

  const getShiftTimes = useCallback((event) => {
    const d = event.start;
    const start = new Date(d.getFullYear(), d.getMonth(), d.getDate(), event.slot === 1 ? 7 : 12);
    const end = new Date(d.getFullYear(), d.getMonth(), d.getDate(), event.slot === 1 ? 13 : 18);

    return {
      title: formatDate('HH:mm', start) + ' - ' + formatDate('HH:mm', end),
      start: start,
      end: end,
    };
  }, []);

  const fillPopup = useCallback((event, isEdit) => {
    setEdit(isEdit);
    setMinTime(event.slot === 1 ? '07:00' : '12:00');
    setMaxTime(event.slot === 1 ? '13:00' : '18:00');
    setShift(event);
    setShiftDates([new Date(event.start), new Date(event.end)]);
    setShiftNotes(event.notes);
  }, []);

  const deleteEvent = useCallback(
    (event) => {
      setShifts(shifts.filter((s) => s.id !== event.id));
      setDeletedShift(event);
      setSnackbarOpen(true);
    },
    [shifts],
  );

  const updateEvent = useCallback(
    (event) => {
      // Update the event in the list
      const index = shifts.findIndex((s) => s.id === event.id);
      const newShifts = [...shifts];

      newShifts.splice(index, 1, event);
      setShifts(newShifts);
    },
    [shifts],
  );

  const saveEvent = useCallback(
    (event) => {
      const start = shiftDates[0];
      const end = shiftDates[1] ? shiftDates[1] : shiftDates[0];

      const shiftStart = new Date(event.start);
      const shiftEnd = new Date(event.end);

      shiftStart.setHours(start.getHours(), start.getMinutes(), 0, 0);
      shiftEnd.setHours(end.getHours(), end.getMinutes(), 0, 0);

      event.start = shiftStart;
      event.end = shiftEnd;
      event.title = formatDate('HH:mm', start) + ' - ' + formatDate('HH:mm', end);
      event.notes = shiftNotes;

      if (isEdit) {
        updateEvent(event);
      } else {
        // Add the new event to the list
        setShifts([...shifts, event]);
      }
      setPopupOpen(false);
    },
    [isEdit, shifts, shiftDates, shiftNotes, updateEvent],
  );

  const staff = useMemo(
    () => [
      {
        id: 1,
        name: 'Ryan',
        color: '#e20000',
        title: 'Cloud System Engineer',
        img: 'https://img.mobiscroll.com/demos/m1.png',
      },
      {
        id: 2,
        name: 'Kate',
        color: '#60e81a',
        title: 'Help Desk Specialist',
        img: 'https://img.mobiscroll.com/demos/f1.png',
      },
      {
        id: 3,
        name: 'John',
        color: '#3ba7ff',
        title: 'Application Developer',
        img: 'https://img.mobiscroll.com/demos/m2.png',
      },
      {
        id: 4,
        name: 'Mark',
        color: '#e25dd2',
        title: 'Network Administrator',
        img: 'https://img.mobiscroll.com/demos/m3.png',
      },
      {
        id: 5,
        name: 'Sharon',
        color: '#f1e920',
        title: 'Data Quality Manager',
        img: 'https://img.mobiscroll.com/demos/f2.png',
      },
      {
        id: 6,
        name: 'Emma',
        color: '#1ac38d',
        title: 'Product Tactics Agent',
        img: 'https://img.mobiscroll.com/demos/f3.png',
      },
      {
        id: 7,
        name: 'Michael',
        color: '#f18a1a',
        title: 'UX Designer',
        img: 'https://img.mobiscroll.com/demos/m4.png',
      },
      {
        id: 8,
        name: 'Laura',
        color: '#7b61ff',
        title: 'DevOps Engineer',
        img: 'https://img.mobiscroll.com/demos/f4.png',
      },
    ],
    [],
  );

  const mySlots = useMemo(
    () => [
      { id: 1, name: 'Morning' },
      { id: 2, name: 'Afternoon' },
    ],
    [],
  );

  const myInvalids = useMemo(
    () => [
      {
        start: '2026-10-26T00:00',
        end: '2026-10-26T23:59',
        resource: 4,
        slot: 1,
      },
      {
        start: '2026-10-24T00:00',
        end: '2026-10-24T23:59',
        resource: 2,
        slot: 2,
      },
    ],
    [],
  );

  const myView = useMemo(
    () => ({
      timeline: {
        type: 'week',
        eventDisplay: 'fill',
        startDay: 1,
        endDay: 5,
      },
    }),
    [],
  );

  const popupButtons = useMemo(
    () =>
      isEdit
        ? [
            'cancel',
            {
              handler: () => {
                saveEvent(shift);
              },
              keyCode: 'enter',
              text: 'Save',
              cssClass: 'mbsc-popup-button-primary',
            },
          ]
        : [
            'cancel',
            {
              handler: () => {
                saveEvent(shift);
              },
              keyCode: 'enter',
              text: 'Add',
              cssClass: 'mbsc-popup-button-primary',
            },
          ],
    [isEdit, saveEvent, shift],
  );

  const popupResponsive = useMemo(
    () => ({
      medium: {
        display: 'center',
        fullScreen: false,
        touchUi: false,
        width: 400,
      },
    }),
    [],
  );

  const snackbarButton = useMemo(
    () => ({
      action: () => {
        setShifts((prevShifts) => [...prevShifts, deletedShift]);
      },
      text: 'Undo',
    }),
    [deletedShift],
  );

  const renderPopupHeader = useCallback(
    () => (
      <>
        <div className="mds-employee-shifts-header-primary">{headerPrimary}</div>
        <div className="mds-employee-shifts-header-date">{headerDate}</div>
      </>
    ),
    [headerPrimary, headerDate],
  );

  const handleEventClick = useCallback(
    (args) => {
      const event = args.event;
      const resource = args.resourceObj;
      const slot = args.slotObj;

      fillPopup(event, true);
      setHeaderPrimary('Edit ' + resource.name + "'s hours");
      setHeaderDate(formatDate('DDDD', new Date(event.start)) + ' ' + slot.name + ', ' + formatDate('D MMMM YYYY', new Date(event.start)));
      setPopupOpen(true);
    },
    [fillPopup],
  );

  const handleEventCreated = useCallback(
    (args) => {
      const event = args.event;
      const slot = args.slotObj;

      fillPopup(event, false);
      setHeaderPrimary('New shift');
      setHeaderDate(formatDate('DDDD', new Date(event.start)) + ' ' + slot.name + ', ' + formatDate('D MMMM YYYY', new Date(event.start)));
      setPopupOpen(true);
    },
    [fillPopup],
  );

  const handleEventCreateFailed = useCallback(() => {
    setToastMessage("Can't create shift");
    setToastOpen(true);
  }, []);

  const handleEventDeleted = useCallback(
    (args) => {
      deleteEvent(args.event);
    },
    [deleteEvent],
  );

  const handleEventUpdated = useCallback(
    (args) => {
      const shift = args.event;
      if (shift.slot !== args.oldEvent.slot) {
        const data = getShiftTimes(shift);
        shift.start = data.start;
        shift.end = data.end;
        shift.title = data.title;
        updateEvent(shift);
      }
    },
    [getShiftTimes, updateEvent],
  );

  const handleEventUpdateFailed = useCallback(() => {
    setToastMessage("Can't move shift");
    setToastOpen(true);
  }, []);

  const handleShiftNotesChange = useCallback((ev) => {
    setShiftNotes(ev.target.value);
  }, []);

  const handleShiftDatesChange = useCallback((args) => {
    setShiftDates(args.value);
  }, []);

  const handleShiftDeleteClick = useCallback(() => {
    deleteEvent(shift);
    setPopupOpen(false);
  }, [deleteEvent, shift]);

  const handlePopupClose = useCallback(() => {
    if (!isEdit) {
      // Remove event if popup is cancelled
      setShifts([...shifts]);
    }
    setPopupOpen(false);
  }, [isEdit, shifts]);

  const handleSnackbarClose = useCallback(() => {
    setSnackbarOpen(false);
  }, []);

  const handleToastClose = useCallback(() => {
    setToastOpen(false);
  }, []);

  const renderMyResource = useCallback(
    (resource) => (
      <div className="mbsc-flex">
        <img className="mds-employee-shifts-avatar" alt={resource.name} src={resource.img} />
        <div className="mds-employee-shifts-cont">
          <div className="mds-employee-shifts-name">{resource.name}</div>
          <div className="mds-employee-shifts-title">{resource.title}</div>
        </div>
      </div>
    ),
    [],
  );

  return (
    <>
      <Eventcalendar
        cssClass="mds-employee-shifts"
        clickToCreate={true}
        dragToCreate={false}
        dragToResize={false}
        dragToMove={true}
        data={shifts}
        eventOverlap={false}
        invalid={myInvalids}
        resources={staff}
        slots={mySlots}
        view={myView}
        extendDefaultEvent={getShiftTimes}
        renderResource={renderMyResource}
        onEventClick={handleEventClick}
        onEventCreated={handleEventCreated}
        onEventCreateFailed={handleEventCreateFailed}
        onEventDeleted={handleEventDeleted}
        onEventUpdated={handleEventUpdated}
        onEventUpdateFailed={handleEventUpdateFailed}
      />
      <Popup
        buttons={popupButtons}
        display="bottom"
        contentPadding={false}
        fullScreen={true}
        renderHeader={renderPopupHeader}
        isOpen={isPopupOpen}
        responsive={popupResponsive}
        scrollLock={false}
        onClose={handlePopupClose}
      >
        <Datepicker
          controls={['time']}
          display="anchored"
          minTime={minTime}
          maxTime={maxTime}
          select="range"
          showRangeLabels={false}
          stepMinute={30}
          startInput={startInput}
          endInput={endInput}
          timeWheels="|h:mm A|"
          touchUi={false}
          value={shiftDates}
          onChange={handleShiftDatesChange}
        />
        <div className="mbsc-form-group">
          <Input ref={setStartInput} dropdown={true} label="Shift start" />
          <Input ref={setEndInput} dropdown={true} label="Shift end" />
        </div>
        <div className="mbsc-form-group">
          <Textarea label="Notes" value={shiftNotes} onChange={handleShiftNotesChange} />
        </div>
        {isEdit && (
          <div className="mbsc-button-group">
            <Button className="mbsc-button-block" color="danger" variant="outline" onClick={handleShiftDeleteClick}>
              Delete shift
            </Button>
          </div>
        )}
      </Popup>
      <Snackbar message="Shift deleted" isOpen={isSnackbarOpen} onClose={handleSnackbarClose} button={snackbarButton} />
      <Toast message={toastMessage} isOpen={isToastOpen} onClose={handleToastClose} />
    </>
  );
}

export default App;

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