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beforeSelectionSet

Description​

Fires before cells are selected

Usage​

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

Parameters​

The callback of the event takes the following parameters:

  • cell - (required) the id(s) of a cell(s)

Returns​

Return true to select cells, false to prevent selection of cells

Example​

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

// subscribe on the "beforeSelectionSet" event
spreadsheet.events.on("beforeSelectionSet", function(cell){
     console.log("Cells "+spreadsheet.selection.getSelectedCell()+" will be selected");
    console.log(cell);
    return true;
});

Related articles: Event handling