onBeforeDrag

Description

Fires when the user starts the drag/resize operation (version 2.1+)

onBeforeDrag: (id: string, mode: string, e: Event) => boolean

Parameters

• id - (required) string - the event's id
• mode - (required) string - the dragging mode: "move","resize" or "create"
• e - (required) Event - a native event object

Returns

• result - (boolean) - defines whether the default action of the event will be triggered (true) or canceled (false)

Example

scheduler.attachEvent("onBeforeDrag", (id, mode, e) => {
    // any custom logic here
    return true;
});

Related samples

• Read-only lightbox
• Read-only events

Details

The event fires when the user clicks inside the Scheduler on the element that can be dragged.

For the "create" mode, the id value is not provided, because a new event is not created yet.