Multi-Select & Bulk Event 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 on a Timeline by keyboard shortcut or button, then apply bulk delete or update — a side panel tracks the selection.

Code

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

$(function () {
  var confirmOpen;
  var firstDay;
  var lastDay;
  var selectedEvent;
  var formatDate = mobiscroll.formatDate;

  function getSelectedEventTitles(events) {
    var eventTitles = [];
    for (var i = 0; i < events.length; ++i) {
      eventTitles.push(events[i].title);
    }
    return eventTitles;
  }

  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: getSelectedEventTitles(events).join(', '),
      okText: 'Delete',
      callback: function (result) {
        if (result) {
          var eventsToDelete = [];
          var eventsToUpdate = [];

          for (var i = 0; i < events.length; ++i) {
            var event = events[i];
            if (event.recurring) {
              var origEvent = event.original;
              var exc = origEvent.recurringException || [];
              exc.push(event.start);
              origEvent.recurringException = exc;
              eventsToUpdate.push(origEvent);
            } else {
              eventsToDelete.push(event);
            }
          }
          calendar.updateEvent(eventsToUpdate);
          calendar.removeEvent(eventsToDelete);
          selectEvents([]);
          mobiscroll.toast({
            message: 'Deleted',
          });
        }
        confirmOpen = false;
      },
    });
  }

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

    for (var i = 0; i < events.length; ++i) {
      var event = events[i];
      if (event.recurring) {
        var origEvent = event.original;
        var exc = origEvent.recurringException || [];
        var newEvent = event;

        newEvent.recurring = undefined;
        newEvent.color = 'orange';
        newEvent.id += '_' + formatDate('YYYY-MM-DD', event.start);
        newEvents.push(newEvent);

        exc.push(event.start);
        origEvent.recurringException = exc;
        eventsToUpdate.push(origEvent);
      } else {
        event.color = 'orange';
        eventsToUpdate.push(event);
      }
    }
    calendar.updateEvent(eventsToUpdate);
    calendar.addEvent(newEvents);
    selectEvents([]);

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

  function selectEvents(events) {
    var titles = getSelectedEventTitles(events);
    var list = $('<ul/>');
    var item;

    for (var i = 0; i < titles.length; ++i) {
      item = $('<li/>').html(titles[i]);
      list.append(item);
    }

    $('#selected-event-list').html(list);
    calendar.setSelectedEvents(events);
  }

  var calendar = $('#demo-multiple-event-selection')
    .mobiscroll()
    .eventcalendar({
      clickToCreate:  ,
      dragToCreate:  ,
      dragToMove:  ,
      dragToResize:  ,
      eventDelete:  ,
      selectMultipleEvents: true,
      view: {
        timeline: {
          type: 'week',
        },
      },
      resources: [
        {
          id: 1,
          name: 'Ryan',
          color: '#fdf500',
        },
        {
          id: 2,
          name: 'Kate',
          color: '#ff4600',
        },
        {
          id: 3,
          name: 'John',
          color: '#ff0101',
        },
        {
          id: 4,
          name: 'Mark',
          color: '#239a21',
        },
        {
          id: 5,
          name: 'Sharon',
          color: '#8f1ed6',
        },
        {
          id: 6,
          name: 'Ashley',
          color: '#01adff',
        },
      ],
      onEventUpdate: function (args) {
        if (args.isDelete) {
          if (!confirmOpen) {
            deleteSelectedEvents();
          }
          return false;
        }
      },
      onEventDelete: function () {
        if (!confirmOpen) {
          deleteSelectedEvents();
          return false;
        }
      },
      onPageLoading: function (args) {
        firstDay = args.firstDay;
        lastDay = args.lastDay;
      },
      onEventRightClick: function (args) {
        selectedEvent = args.event;
        args.domEvent.preventDefault();
        menu.setOptions({
          anchor: args.domEvent.target,
        });
        setTimeout(function () {
          menu.open();
        });
      },
      onSelectedEventsChange: function (args) {
        selectEvents(args.events);
      },
    })
    .mobiscroll('getInst');

  var menu = $('#demo-context-menu')
    .mobiscroll()
    .select({
      touchUi: false,
      display: 'anchored',
      buttons: [],
      inputElement: document.getElementById('context-menu-input'),
      onChange: function (args) {
        if (args.value === 'update') {
          updateSelectedEvents();
        } else if (args.value === 'delete') {
          deleteSelectedEvents();
        }
      },
      onClose: function () {
        // Clear selection
        menu.setVal();
      },
    })
    .mobiscroll('getInst');

  $('#select-all-events').on('click', function () {
    selectEvents(calendar.getEvents(firstDay, lastDay));
    mobiscroll.toast({
      message: 'All events selected from view',
    });
  });

  $('#reset-selection').on('click', function () {
    selectEvents([]);
    mobiscroll.toast({
      message: 'Selection cleared',
    });
  });

  $('#update-selected').on('click', function () {
    updateSelectedEvents();
  });

  $('.md-bulk-operations').keydown(function (ev) {
    if (!confirmOpen && (ev.keyCode === 8 || ev.keyCode === 46)) {
      deleteSelectedEvents();
    }
  });

  $.getJSON(
    'https://trial.mobiscroll.com/timeline-events/?callback=?',
    function (events) {
      calendar.setEvents(events);
    },
    'jsonp',
  );
});

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