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", function (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 ( a new event is not created yet ).