Instance Event Transfer

There are certain cases when moving the events between calendars can come in handy.

Dragging and dropping events between two scheduler instances can be enabled by turning on the externalDrag and externalDrop options.

Get started with this example

Demo

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Move events between two Scheduler instances with drop — reassign appointments, tasks, or shifts across separate weekly scheduling views.

Code

View code on GitHub 
import { Eventcalendar, setOptions, Toast  } from '@mobiscroll/react';
import { useCallback, useMemo, useState } from 'react';

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

function App() {
  const [isToastOpen, setToastOpen] = useState(false);
  const [toastText, setToastText] = useState();
  const [toastContext, setToastContext] = useState();

  const myView = useMemo(
    () => ({
      scheduler: {
        type: 'week',
      },
    }),
    [],
  );

  const firstEvents = useMemo(
    () => [
      {
        start: '2026-10-17T10:00',
        end: '2026-10-17T14:00',
        title: 'Event 1',
        color: '#de3d83',
      },
      {
        start: '2026-10-18T07:00',
        end: '2026-10-18T08:00',
        title: 'Event 2',
        color: '#6e7f29',
      },
      {
        start: '2026-10-19T16:00',
        end: '2026-10-19T18:00',
        title: 'Event 3',
        color: '#e7b300',
      },
      {
        start: '2026-10-21T11:00',
        end: '2026-10-21T12:00',
        title: 'Event 4',
        color: '#e9967a',
      },
      {
        start: '2026-10-22T14:00',
        end: '2026-10-22T17:00',
        title: 'Event 5',
        color: '#a917bb',
      },
      {
        start: '2026-10-23T08:00',
        end: '2026-10-23T10:00',
        title: 'Event 6',
        color: '#3d9140',
      },
      {
        start: '2026-10-24T15:00',
        end: '2026-10-24T16:00',
        title: 'Event 7',
        color: '#8b8b00',
      },
      {
        start: '2026-10-25T13:00',
        end: '2026-10-25T15:00',
        title: 'Event 8',
        color: '#6e7f29',
      },
      {
        start: '2026-10-27T10:00',
        end: '2026-10-27T12:00',
        title: 'Event 9',
        color: '#37bbe4',
      },
      {
        start: '2026-10-28T16:00',
        end: '2026-10-28T17:00',
        title: 'Event 10',
        color: '#ee9572',
      },
      {
        start: '2026-10-30T11:00',
        end: '2026-10-30T14:00',
        title: 'Event 11',
        color: '#c67171',
      },
      {
        start: '2026-11-01T07:00',
        end: '2026-11-01T09:00',
        title: 'Event 12',
        color: '#8b1a1a',
      },
    ],
    [],
  );

  const secondEvents = useMemo(
    () => [
      {
        start: '2026-10-17T14:00',
        end: '2026-10-17T17:00',
        title: 'Event 1',
        color: '#e7b300',
      },
      {
        start: '2026-10-18T10:00',
        end: '2026-10-18T12:00',
        title: 'Event 2',
        color: '#6e7f29',
      },
      {
        start: '2026-10-19T08:00',
        end: '2026-10-19T09:00',
        title: 'Event 3',
        color: '#37bbe4',
      },
      {
        start: '2026-10-21T15:00',
        end: '2026-10-21T17:00',
        title: 'Event 4',
        color: '#8b1a1a',
      },
      {
        start: '2026-10-22T12:00',
        end: '2026-10-22T13:00',
        title: 'Event 5',
        color: '#c67171',
      },
      {
        start: '2026-10-23T17:00',
        end: '2026-10-23T20:00',
        title: 'Event 6',
        color: '#6e7f29',
      },
      {
        start: '2026-10-24T14:00',
        end: '2026-10-24T16:00',
        title: 'Event 7',
        color: '#a917bb',
      },
      {
        start: '2026-10-25T10:00',
        end: '2026-10-25T13:00',
        title: 'Event 8',
        color: '#7ac5cd',
      },
      {
        start: '2026-10-27T15:00',
        end: '2026-10-27T16:00',
        title: 'Event 9',
        color: '#de3d83',
      },
      {
        start: '2026-10-28T11:00',
        end: '2026-10-28T12:00',
        title: 'Event 10',
        color: '#3d9140',
      },
      {
        start: '2026-10-30T08:00',
        end: '2026-10-30T10:00',
        title: 'Event 11',
        color: '#8b8b00',
      },
      {
        start: '2026-11-01T17:00',
        end: '2026-11-01T19:00',
        title: 'Event 12',
        color: '#ee9572',
      },
    ],
    [],
  );

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

  const handleFirstCalEventCreated = useCallback((args) => {
    if (args.action === 'externalDrop') {
      setToastText('Event dropped to Calendar 1');
      setToastContext('.md-drag-drop-first-calendar');
      setToastOpen(true);
    }
  }, []);

  const handleSecondCalEventCreated = useCallback((args) => {
    if (args.action === 'externalDrop') {
      setToastText('Event dropped to Calendar 2');
      setToastContext('.md-drag-drop-second-calendar');
      setToastOpen(true);
    }
  }, []);

  return (
    <div className="md-drag-drop-calendar">
      <div className="mbsc-form-group-title">Calendar 1</div>
      <Eventcalendar
        view={myView}
        data={firstEvents}
        height={450}
        dragToMove={true}
        eventDelete={true}
        externalDrag={true}
        externalDrop={true}
        onEventCreated={handleFirstCalEventCreated}
        className="md-drag-drop-first-calendar"
      />

      <div className="mbsc-form-group-title">Calendar 2</div>
      <Eventcalendar
        view={myView}
        data={secondEvents}
        height={450}
        dragToMove={true}
        eventDelete={true}
        externalDrag={true}
        externalDrop={true}
        onEventCreated={handleSecondCalEventCreated}
        className="md-drag-drop-second-calendar"
      />
      <Toast message={toastText} context={toastContext} isOpen={isToastOpen} onClose={handleCloseToast} />
    </div>
  );
}

export default App;

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