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beforeFocusSet

Description​

Fires before focus is set on a cell

Usage​

beforeFocusSet: (cell: string) => void | boolean;

Parameters​

The callback of the event takes the following parameters:

  • cell - (required) the id of a cell

Returns​

Return true to set focus on a cell, false to prevent setting focus

Example​

const spreadsheet = new dhx.Spreadsheet("spreadsheet", {});
spreadsheet.parse(data);

// subscribe on the "beforeFocusSet" event
spreadsheet.events.on("beforeFocusSet", function(cell){
  console.log("Focus will be set on a cell "+spreadsheet.selection.getSelectedCell());
  console.log(cell);
  return true;
});

Related articles: Event handling