onBeforeExternalDragIn
Description
Fires before some element starts to be dragged into the scheduler from an outside DHTMLX component (only with dnd extension enabled)
onBeforeExternalDragIn: (source: HTMLElement, dhtmlx: object, tArea: HTMLElement, tNode: HTMLElement, e: Event) => boolean
Parameters
source- (required) HTMLElement - an HTML element that will be dragged into the schedulerdhtmlx- (required) object - a global DHTMLX objecttArea- (required) HTMLElement - an HTML object of the scheduler's data areatNode- (required) HTMLElement - the target scheduler's HTML object (a column in the Day view, a section in the Timeline view, etc.)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("onBeforeExternalDragIn",function(source,dhtmlx,tArea,tNode,e)
{
//any custom logic here
return true;
});
Details
note
The event requires the outerdrag plugin to be activated.
The event is blockable. Return false and the external element won't be dragged to the scheduler.
Related API
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