code: function( e ) {
  		e && e.preventDefault();
  		if( this.isMaximised === true ) {
  			this.layoutManager._$minimiseItem( this );
  		} else {
  			this.layoutManager._$maximiseItem( this );
  		}
  
  		this.isMaximised = !this.isMaximised;
  		this.emitBubblingEvent( 'stateChanged' );
  	}
docs: Maximises the Item or minimises it if it is already maximised
  
  @returns {void}