Multi-Event Selection & Bulk Actions

Multiple event selection can be turned on with the selectMultipleEvents option. Selecting multiple events can be done through user interaction with CTRL/SHIFT/CMD + click or programmatically eg. click of a button or 'select all' checkbox.

Bulk operations like delete, update can be applied the selected events. Things like deleting with the backspace or delete buttons work out of the box but custom actions can be also applied. The selection can be easily retrieved and updated with the getSelectedEvents and setSelectedEvents method.

Custom actions can be performed with external buttons or with context menu activated on right-click.

Download and try example

Demo

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Select multiple events in a agenda view with keyboard shortcuts, or programmatically — bulk delete/update, or right-click for per-event edits.

Code

View code on GitHub 
mobiscroll.setOptions({
  locale:  ,
  theme: ' ',
  themeVariant: ' '
});

var confirmOpen;
var selectedEvent;
var list = document.getElementById('demo-bulk-actions-event-list');
var formatDate = mobiscroll.formatDate;

function selectEvents(events) {
  list.innerHTML = events
    .map(function (e) {
      return '<li>' + e.title + '</li>';
    })
    .join('');
  calendar.setSelectedEvents(events);
}

function updateSelectedEvents() {
  var selectedEvents = calendar.getSelectedEvents();
  var events = selectedEvents.length === 0 && selectedEvent ? [selectedEvent] : selectedEvents;
  var newEvents = [];
  var updatedEvents = [];

  events.forEach(function (event) {
    var newEvent;
    var updatedEvent;
    if (event.recurring) {
      newEvent = Object.assign({}, event);
      newEvent.color = 'orange';
      newEvent.id += '_' + formatDate('YYYY-MM-DD', event.start);
      newEvent.recurring = undefined;
      newEvents.push(newEvent);
      updatedEvent = event.original;
      updatedEvent.recurringException = updatedEvent.recurringException || [];
      updatedEvent.recurringException.push(event.start);
      updatedEvents.push(updatedEvent);
    } else {
      updatedEvent = Object.assign({}, event);
      updatedEvent.color = 'orange';
      updatedEvents.push(updatedEvent);
    }
  });

  calendar.updateEvent(updatedEvents);
  calendar.addEvent(newEvents);
  selectEvents([]);

  mobiscroll.toast({
    message: "All selected event's color changed to orange",
  });
}

function deleteSelectedEvents() {
  var selectedEvents = calendar.getSelectedEvents();
  var events = selectedEvents.length === 0 && selectedEvent ? [selectedEvent] : selectedEvents;

  confirmOpen = true;

  mobiscroll.confirm({
    title: 'Are you sure you want to delete the following events?',
    message: events
      .map(function (e) {
        return e.title;
      })
      .join(', '),
    okText: 'Delete',
    callback: function (result) {
      if (result) {
        var updatedEvents = [];
        var deletedEvents = [];

        events.forEach(function (event) {
          if (event.recurring) {
            var updatedEvent = event.original;
            updatedEvent.recurringException = updatedEvent.recurringException || [];
            updatedEvent.recurringException.push(event.start);
            updatedEvents.push(updatedEvent);
          } else {
            deletedEvents.push(event);
          }
        });

        calendar.updateEvent(updatedEvents);
        calendar.removeEvent(deletedEvents);
        selectEvents([]);

        mobiscroll.toast({
          message: 'Deleted',
        });
      }
      confirmOpen = false;
    },
  });
}

var calendar = mobiscroll.eventcalendar('#demo-bulk-actions', {
  selectMultipleEvents: true,
  view: {
    agenda: { type: 'month' },
  },
  onEventUpdate: function (args) {
    if (args.isDelete) {
      if (!confirmOpen) {
        deleteSelectedEvents();
      }
      return false;
    }
  },
  onEventDelete: function () {
    if (!confirmOpen) {
      deleteSelectedEvents();
      return false;
    }
  },
  onEventRightClick: function (args) {
    args.domEvent.preventDefault();
    selectedEvent = args.event;
    menu.setOptions({
      anchor: args.domEvent.target,
    });
    setTimeout(function () {
      menu.open();
    });
  },
  onSelectedEventsChange: function (args) {
    selectEvents(args.events);
  },
});

var menu = mobiscroll.select('#demo-bulk-actions-menu', {
  buttons: [],
  data: [
    { value: 'update', text: 'Update' },
    { value: 'delete', text: 'Delete' },
  ],
  display: 'anchored',
  touchUi: false,
  onChange: function (args) {
    if (args.value === 'update') {
      updateSelectedEvents();
    } else if (args.value === 'delete') {
      deleteSelectedEvents();
    }
  },
  onClose: function () {
    // Clear selection
    menu.setVal(null);
  },
});

document.getElementById('demo-bulk-actions-select-all').addEventListener('click', function () {
  selectEvents(calendar.getEvents());
  mobiscroll.toast({
    message: 'All events selected from view',
  });
});

document.getElementById('demo-bulk-actions-reset').addEventListener('click', function () {
  selectEvents([]);
  mobiscroll.toast({
    message: 'Selection cleared',
  });
});

document.getElementById('demo-bulk-actions-update').addEventListener('click', function () {
  updateSelectedEvents();
});

document.getElementById('demo-bulk-actions-page').addEventListener('keydown', function (ev) {
  if (!confirmOpen && (ev.code === 'Delete' || ev.code === 'Backspace' || ev.keyCode === 8 || ev.keyCode === 46)) {
    deleteSelectedEvents();
  }
});

mobiscroll.getJson(
  'https://trial.mobiscroll.com/events/?vers=5',
  function (events) {
    calendar.setEvents(events);
  },
  'jsonp',
);

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