Function undoDelete

codebase/sources/dhtmlxscheduler.es.js:201–231

(scheduler2)

  });
}
function undoDelete(scheduler2) {
  const undoableDeletes = {};
  scheduler2.attachEvent("onConfirmedBeforeEventDelete", function(id) {
    undoableDeletes[id] = true;
    return true;
  });
  scheduler2.attachEvent("onEventDeleted", function(id, ev) {
    if (undoableDeletes[id]) {
      delete undoableDeletes[id];
    } else {
      return;
    }
    let deletedEvent = scheduler2.copy(ev);
    if (scheduler2.config.undo_deleted && !scheduler2.getState().new_event) {
      scheduler2.message({ text: `<div class="dhx_info_message">
                            <span class="undo_popup_text">Event deleted</span>
                            <button class="undo_button" data-deleted-event-id="${ev.id}">Undo</button>
                        </div>`, expire: 1e4, type: "popup_after_delete", callback: function(e) {
        let undoBtn = e.target.closest(`[data-deleted-event-id="${ev.id}"]`);
        if (undoBtn) {
          if (deletedEvent.rrule && deletedEvent.duration) {
            deletedEvent.end_date = new Date(deletedEvent.start_date.valueOf() + deletedEvent.duration * 1e3);
            scheduler2.addEvent(deletedEvent);
          }
          scheduler2.addEvent(deletedEvent);
          scheduler2.render();
        }
      } });
    }
  });
}
function limitPlugin(scheduler2) {
  scheduler2.config.mark_now = true;
  scheduler2.config.display_marked_timespans = true;