beforeColumnDrop
Pro version only
This functionality requires PRO version of the DHTMLX Grid (or DHTMLX Suite) package.
fires before the user has finished dragging and released the mouse button over a target column
beforeColumnDrop: (data: IDragInfo, events: MouseEvent) => void | boolean;
Parameters:
data: object
- data objectevents: MouseEvent
- a native HTML event object
Returns:
Return false
to block the default action; otherwise, true
.
Example
grid.events.on("beforeColumnDrop", function(data, events){
// your logic here
return false;
});
Related sample: Grid. Columns drag'n'drop
The data object contains the following parameters:
start | (string, number) the id of a column, from which the dragging process has started |
source | (array) an array with ids of dragged columns |
target | (string, number) the id of a potential target column |
Change log:
- added in v6.5
- Before v7.0, the event took two parameters - sourceId and targetId.
- In v7.0, the parameters were replaced with new ones: data and e.