Cross-Instance Drag and Drop

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

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

Want to learn about how you can configure the horizontal and vertical resolution?  Check out how to build a synchronized flight scheduling dashboard →
Get started with this example

Demo

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Drag and drop events between two Timeline views to reassign resources or coordinate schedules — enable cross-timeline transfers.

Code

View code on GitHub 
<script setup>
import {
  MbscEventcalendar,
  MbscPage,
  MbscToast,
  setOptions 
} from '@mobiscroll/vue'
import { ref } from 'vue'

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

const myView = {
  timeline: { type: 'month' }
}

const firstEvents = ref([
  {
    start: '2026-10-02T00:00',
    end: '2026-10-05T00:00',
    title: 'Event 1',
    color: '#166f6f',
    resource: 1
  },
  {
    start: '2026-10-15T00:00',
    end: '2026-10-19T00:00',
    title: 'Event 2',
    color: '#e20000',
    resource: 1
  },
  {
    start: '2026-10-10T00:00',
    end: '2026-10-14T00:00',
    title: 'Event 3',
    color: '#1dab2f',
    resource: 2
  },
  {
    start: '2026-10-20T00:00',
    end: '2026-10-23T00:00',
    title: 'Event 4',
    color: '#e25dd2',
    resource: 2
  },
  {
    start: '2026-10-03T00:00',
    end: '2026-10-10T00:00',
    title: 'Event 5',
    color: '#4418d2',
    resource: 3
  },
  {
    start: '2026-10-16T00:00',
    end: '2026-10-19T00:00',
    title: 'Event 6',
    color: '#4981d6',
    resource: 3
  },
  {
    start: '2026-10-08T00:00',
    end: '2026-10-12T00:00',
    title: 'Event 7',
    color: '#6e7f29',
    resource: 4
  },
  {
    start: '2026-10-22T00:00',
    end: '2026-10-28T00:00',
    title: 'Event 8',
    color: '#8b8b00',
    resource: 4
  },
  {
    start: '2026-10-02T00:00',
    end: '2026-10-07T00:00',
    title: 'Event 9',
    color: '#a32f00',
    resource: 5
  },
  {
    start: '2026-10-18T00:00',
    end: '2026-10-23T00:00',
    title: 'Event 10',
    color: '#152d2b',
    resource: 5
  }
])

const firstResources = ref([
  {
    id: 1,
    name: 'Resource A'
  },
  {
    id: 2,
    name: 'Resource B'
  },
  {
    id: 3,
    name: 'Resource C'
  },
  {
    id: 4,
    name: 'Resource D'
  },
  {
    id: 5,
    name: 'Resource E'
  }
])

const secondEvents = ref([
  {
    start: '2026-10-05T00:00',
    end: '2026-10-09T00:00',
    title: 'Event 1',
    color: '#4418d2',
    resource: 1
  },
  {
    start: '2026-10-16T00:00',
    end: '2026-10-20T00:00',
    title: 'Event 2',
    color: '#8b1a1a',
    resource: 1
  },
  {
    start: '2026-10-08T00:00',
    end: '2026-10-11T00:00',
    title: 'Event 3',
    color: '#e7b300',
    resource: 2
  },
  {
    start: '2026-10-22T00:00',
    end: '2026-10-25T00:00',
    title: 'Event 4',
    color: '#a32f00',
    resource: 2
  },
  {
    start: '2026-10-12T00:00',
    end: '2026-10-17T00:00',
    title: 'Event 5',
    color: '#21a833',
    resource: 3
  },
  {
    start: '2026-10-23T00:00',
    end: '2026-10-29T00:00',
    title: 'Event 6',
    color: '#a917bb',
    resource: 3
  },
  {
    start: '2026-10-04T00:00',
    end: '2026-10-10T00:00',
    title: 'Event 7',
    color: '#e20000',
    resource: 4
  },
  {
    start: '2026-10-18T00:00',
    end: '2026-10-25T00:00',
    title: 'Event 8',
    color: '#4981d6',
    resource: 4
  },
  {
    start: '2026-10-07T00:00',
    end: '2026-10-12T00:00',
    title: 'Event 9',
    color: '#166f6f',
    resource: 5
  },
  {
    start: '2026-10-20T00:00',
    end: '2026-10-27T00:00',
    title: 'Event 10',
    color: '#d6d145',
    resource: 5
  }
])

const secondResources = ref([
  {
    id: 1,
    name: 'Resource A'
  },
  {
    id: 2,
    name: 'Resource B'
  },
  {
    id: 3,
    name: 'Resource C'
  },
  {
    id: 4,
    name: 'Resource D'
  },
  {
    id: 5,
    name: 'Resource E'
  }
])

const toastMessage = ref('')
const toastContext = ref()
const isToastOpen = ref(false)

function handleFirstCalEventCreated(args) {
  if (args.action === 'externalDrop') {
    toastMessage.value = 'Event dropped to Calendar 1'
    toastContext.value = '.md-drag-drop-first-calendar'
    isToastOpen.value = true
  }
}

function handleSecondCalEventCreated(args) {
  if (args.action === 'externalDrop') {
    toastMessage.value = 'Event dropped to Calendar 2'
    toastContext.value = '.md-drag-drop-second-calendar'
    isToastOpen.value = true
  }
}

function handleToastClose() {
  isToastOpen.value = false
}
</script>

<template>
  <MbscPage>
    <div class="md-drag-drop-calendar">
      <div class="mbsc-form-group-title">Calendar 1</div>
      <MbscEventcalendar
        :view="myView"
        :data="firstEvents"
        :resources="firstResources"
        :height="420"
        :dragToMove="true"
        :eventDelete="true"
        :externalDrag="true"
        :externalDrop="true"
        @event-created="handleFirstCalEventCreated"
        className="md-drag-drop-first-calendar"
      />

      <div class="mbsc-form-group-title">Calendar 2</div>
      <MbscEventcalendar
        :view="myView"
        :data="secondEvents"
        :resources="secondResources"
        :height="420"
        :dragToMove="true"
        :eventDelete="true"
        :externalDrag="true"
        :externalDrop="true"
        @event-created="handleSecondCalEventCreated"
        className="md-drag-drop-second-calendar"
      />

      <MbscToast
        :message="toastMessage"
        :context="toastContext"
        :isOpen="isToastOpen"
        @close="handleToastClose"
      />
    </div>
  </MbscPage>
</template>

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