Events overview

Name	Description
onAfterBatchUpdate	Fires after the batchUpdate method has been called
onAfterEventDisplay	Fires when the scheduler switches views, days, time etc. to show the event specified by the 'showEvent' method and fires AFTER the event is displayed
onAfterFolderToggle	Fires after a tree branch was opened or closed (the Timeline view, 'tree' mode only)
onAfterLightbox	Fires after the user has closed the lightbox (edit form)
onAfterQuickInfo	Fires after the pop-up event form is closed
onAfterSchedulerResize	Fires after the scheduler has changed its size and data area was repainted
onBeforeBatchUpdate	Fires before the batchUpdate method is called
onBeforeCollapse	Fires when a user clicks on the expand icon to change the scheduler's size from 'full screen' to original.
onBeforeDrag	Fires when the user starts the drag/resize operation (version 2.1+)
onBeforeEventChanged	Fires when the event has been changed by drag-n-drop, but the changes aren't saved yet.
onBeforeEventCreated	Fires when the user creates a new event by dragging the cursor over the scheduler
onBeforeEventDelete	Fires after the user clicks on the delete button (in the event bar or details window)
onBeforeEventDisplay	Fires when the 'showEvent' method is called to show a specific event and fires BEFORE the event is displayed
onBeforeEventDragIn	Fires before a dragged event is moved over the scheduler
onBeforeEventDragOut	Fires before the dragged event is moved out of the scheduler
onBeforeEventPasted	Fires before the user presses the 'CTRL+V' keyboard command
onBeforeExpand	Fires when a user clicks on the expand icon to change the scheduler's size from original to 'full screen'.
onBeforeExternalDragIn	Fires before some element starts to be dragged into the scheduler from an outside DHTMLX component (only with dnd extension enabled)
onBeforeFolderToggle	Fires before a tree branch will be opened or closed (the Timeline view, 'tree' mode only)
onBeforeLightbox	Fires immediately before the user opens the lightbox (edit form)
onBeforeParse	Fires before data started to be parsed
onBeforeQuickInfo	Fires immediately before the Quick Info popup is displayed for an event
onBeforeSectionRender	Fires before a single Timeline section was configured, but not rendered yet (the Timeline view only)
onBeforeTodayDisplayed	Fires when the user clicks on the 'Today' button in the scheduler
onBeforeTooltip	Fires before the tooltip is displayed for a data item (only with the 'tooltip' extension enabled)
onBeforeViewChange	Fires before the user changes the current view to some other one
onCellClick	Fires when the user makes a single click on a cell (the Timeline view only)
onCellDblClick	Fires when the user makes a double click on a cell (the Timeline view only)
onClearAll	Fires after data in the scheduler was cleared
onClick	Fires when the user clicks the left mouse button on an event
onCollapse	Fires when a user clicks on the expand icon to change the scheduler's size from 'full screen' to original.
onConfirmedBeforeEventDelete	Fires after the user clicks on the delete button and confirms the deletion (in the event's bar or details window)
onContextMenu	Fires when the user calls the context menu by clicking the right mouse button inside the scheduler
onDataRender	Fires after data has been rendered on the page
onDblClick	Fires when the user double clicks on an event
onDestroy	Fires after scheduler has been cleared by the destructor method
onDragEnd	Fires when the drag/resize operation is finished
onEmptyClick	Fires when the user clicks on an empty space in the scheduler (not on events)
onError	Fires when assert receives the 'false' value, i.e. when assertion fails
onEventAdded	Fires when the user adds a new event to the scheduler
onEventCancel	Fires when the user clicks on the 'Cancel' button in the lightbox (edit form)
onEventChanged	Occurs after the user has edited an event and saved the changes (after clicking on the edit and save buttons in the event's bar or in the details window)
onEventCollision	Fires when the user tries to create a new event (or modify some existing one) inside of some already occupied time slot
onEventCopied	Fires when the user presses the 'CTRL+C' keyboard command (only with the 'keyboard navigation' extension enabled)
onEventCreated	Fires when the user starts to create a new event (by double click or dragging)
onEventCut	Fires when the user presses the 'CTRL+X' keyboard command (only with the 'keyboard navigation' extension enabled)
onEventDeleted	Fires after the specified event was deleted (version 3.0+)
onEventDrag	Fires when the user drags/resizes events in the scheduler
onEventDragIn	Fires when a dragged event is moved into the scheduler
onEventDragOut	Fires when a dragged event is moved out of the scheduler
onEventDropOut	Fires when a dragged event is dropped onto the area out of the scheduler
onEventIdChange	Fires when the id of an event is changed
onEventLoading	Fires when an event is being loaded from the data source
onEventPasted	Fires when the user presses the 'CTRL+V' keyboard command
onEventSave	Fires when the user clicks on the 'save' button in the lightbox (edit form)
onEventSelected	Fires when the user selects an event in the scheduler
onEventUnselected	Fires when the user unselects an event by selecting some other event
onExpand	Fires when a user clicks on the expand icon to change the scheduler's size from original to 'full screen'.
onExternalDragIn	Fires when some data is being dragged into the scheduler from an outside DHTMLX component (only with dnd extension enabled)
onLightbox	Fires after the user has opened the lightbox (edit form)
onLightboxButton	Fires when the user clicks a custom button in the lightbox
onLimitViolation	Fires when the user tries to set for an event the time that is currently limited/blocked
onLoadEnd	Fires after loading data from the data source has been completed
onLoadError	Fires if the scheduler has failed to parse data, or if the server has returned 4xx or 5xx response status
onLoadStart	Fires immediately before loading data from the data source has been started
onLocationError	Fires when the event location can't be found on the map (the Map view only)
onMouseDown	Fires when the user clicks on a scheduler's element that doesn't have the predefined 'onlick' handler
onMouseMove	Fires when the mouse cursor is moved over the scheduler
onOptionsLoad	Fires after sections of the Timeline/Units view have been updated
onOptionsLoadFinal	Fires after loading of an options(sections) collection is complete (the Timeline view only)
onOptionsLoadStart	Fires before a collection of options or sections starts to be loaded from the server (the Timeline view only)
onParse	Fires after data was parsed (became available for API) but before it was rendered in the Scheduler
onQuickInfo	Fires when the pop-up edit form appears
onSaveError	Fires when some error has happened during data updating
onScaleAdd	Fires after a single view unit (column, section, day cell etc.) has been rendered in the scheduler
onScaleDblClick	Fires when the user double clicks on the time scale
onSchedulerReady	Fires after scheduler initialization is complete, but the scheduler is not rendered on the page yet.
onSchedulerResize	Fires before the scheduler changes its size
onTemplatesReady	Fires when the scheduler templates are initialized
onTimelineCreated	Fires after the Timeline view has been initialized, but is not rendered on the page yet (the Timeline view only)
onViewChange	Fires after the current view has been changed to some other one
onViewMoreClick	Fires when the user clicks on the 'View more' link in the Month view (the Month view only)
onXLE	Fires after loading data from the data source is complete
onXLS	Fires immediately before loading data from the data source has been started
onXScaleClick	Fires when the user makes a single click on a cell on the x-axis (the Timeline view only)
onXScaleDblClick	Fires when the user makes a double click on a cell on the x-axis (the Timeline view only)
onYScaleClick	Fires when the user makes a single click on a cell on the y-axis (the Timeline view only)
onYScaleDblClick	Fires when the user makes a double click on a cell on the y-axis (the Timeline view only)