onColumnEvents([callback], [remove])

Class: Table.

Description:

Gets, registers or unregisters a column event handler function. This event handler is called when a column is inserted, removed, resized, or moved (reordered).

Parameters:

Name	Type	Default	Description
`[callback]`	function		The event handler function. Receives an event object.
`[remove]`	boolean	false	Set to `true` to unregister the event handler.

Returns:

An array of handler functions if no arguments are passed, otherwise this component for method chaining.

Type: Table | Array.<function()>

Examples:

// Example event object:
const e = {
  target: Table,       // The Table component that triggered the event.
  type: string,        // "insert", "remove", "move", "resize".
  index: number        // Only when type is "insert", "remove", or "resize". Index of the column.
  fromIndex: number,   // Only when type is "move". Indicates the previous index of the column.
  toIndex: number,     // Only when type is "move". Indicates the new index of the column.
  fromSize: number,    // Only when type is "resize". Indicates the previous size of the column.
  toSize: number,      // Only when type is "resize". Indicates the new size of the column.
  interactive: boolean // `true` when column was moved by the user interacting with the GUI. `false` when it was made programmatically.
};