Drag and Drop Between Calendars

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

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

Get started with this example

Demo

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Drag and drop events between two side-by-side event calendar in month view — move events across separate calendars with cross-calendar drag and drop.

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

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

  const firstEvents = useMemo(
    () => [
      {
        start: '2026-10-18T00:00',
        end: '2026-10-20T00:00',
        title: 'Event 1',
        color: '#e20000',
      },
      {
        start: '2026-10-22T00:00',
        end: '2026-10-24T00:00',
        title: 'Event 2',
        color: '#166f6f',
      },
      {
        start: '2026-10-27T00:00',
        end: '2026-10-28T00:00',
        title: 'Event 3',
        color: '#166f6f',
      },
      {
        start: '2026-11-01T00:00',
        end: '2026-11-03T00:00',
        title: 'Event 4',
        color: '#a32f00',
      },
      {
        start: '2026-11-05T00:00',
        end: '2026-11-07T00:00',
        title: 'Event 5',
        color: '#8b8b00',
      },
      {
        start: '2026-11-11T00:00',
        end: '2026-11-13T00:00',
        title: 'Event 6',
        color: '#1dab2f',
      },
      {
        start: '2026-11-15T00:00',
        end: '2026-11-16T00:00',
        title: 'Event 7',
        color: '#4981d6',
      },
      {
        start: '2026-11-20T00:00',
        end: '2026-11-21T00:00',
        title: 'Event 8',
        color: '#4418d2',
      },
      {
        start: '2026-11-26T00:00',
        end: '2026-11-26T00:00',
        title: 'Event 9',
        color: '#6e7f29',
      },
      {
        start: '2026-12-03T00:00',
        end: '2026-12-04T00:00',
        title: 'Event 10',
        color: '#8b0000',
      },
      {
        start: '2026-12-09T00:00',
        end: '2026-12-10T00:00',
        title: 'Event 11',
        color: '#a32f00',
      },
      {
        start: '2026-12-14T00:00',
        end: '2026-12-16T00:00',
        title: 'Event 12',
        color: '#152d2b',
      },
    ],
    [],
  );

  const secondEvents = useMemo(
    () => [
      {
        start: '2026-10-20T00:00',
        end: '2026-10-20T00:00',
        title: 'Event 1',
        color: '#',
      },
      {
        start: '2026-10-24T00:00',
        end: '2026-10-26T00:00',
        title: 'Event 2',
        color: '#',
      },
      {
        start: '2026-10-28T00:00',
        end: '2026-10-28T00:00',
        title: 'Event 3',
        color: '#4418d2',
      },
      {
        start: '2026-11-02T00:00',
        end: '2026-11-02T00:00',
        title: 'Event 4',
        color: '#8b1a1a',
      },
      {
        start: '2026-11-06T00:00',
        end: '2026-11-07T00:00',
        title: 'Event 5',
        color: '#e7b300',
      },
      {
        start: '2026-11-12T00:00',
        end: '2026-11-13T00:00',
        title: 'Event 6',
        color: '#a32f00',
      },
      {
        start: '2026-11-17T00:00',
        end: '2026-11-19T00:00',
        title: 'Event 7',
        color: '#21a833',
      },
      {
        start: '2026-11-22T00:00',
        end: '2026-11-22T00:00',
        title: 'Event 8',
        color: '#a917bb',
      },
      {
        start: '2026-11-25T00:00',
        end: '2026-11-27T00:00',
        title: 'Event 9',
        color: '#e20000',
      },
      {
        start: '2026-12-01T00:00',
        end: '2026-12-02T00:00',
        title: 'Event 10',
        color: '#4981d6',
      },
      {
        start: '2026-12-04T00:00',
        end: '2026-12-04T00:00',
        title: 'Event 11',
        color: '#166f6f',
      },
      {
        start: '2026-12-08T00:00',
        end: '2026-12-10T00:00',
        title: 'Event 12',
        color: '#d6d145',
      },
    ],
    [],
  );

  const handlehandleCloseToast = 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="mbsc-grid mbsc-no-padding md-drag-drop-calendar">
      <div className="mbsc-row">
        <div className="mbsc-col-sm-6 md-drag-drop-calendar-border">
          <div className="mbsc-form-group-title">Calendar 1</div>
          <Eventcalendar
            view={myView}
            data={firstEvents}
            height={550}
            dragToMove={true}
            eventDelete={true}
            externalDrag={true}
            externalDrop={true}
            onEventCreated={handleFirstCalEventCreated}
            className="md-drag-drop-first-calendar"
          />
        </div>
        <div className="mbsc-col-sm-6">
          <div className="mbsc-form-group-title">Calendar 2</div>
          <Eventcalendar
            view={myView}
            data={secondEvents}
            height={550}
            dragToMove={true}
            eventDelete={true}
            externalDrag={true}
            externalDrop={true}
            onEventCreated={handleSecondCalEventCreated}
            className="md-drag-drop-second-calendar"
          />
        </div>
      </div>
      <Toast message={toastText} context={toastContext} isOpen={isToastOpen} onClose={handlehandleCloseToast} />
    </div>
  );
}

export default App;

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