this.columnReorderLayer = new ColumnReorderLayer(dataLayer);

		this.columnHideShowLayer = new ColumnHideShowLayer(this.columnReorderLayer);

		this.rowReorderLayer = new RowReorderLayer(columnHideShowLayer);

		this.selectionLayer = new SelectionLayer(this.rowReorderLayer);

		this.viewportLayer = new ViewportLayer(this.selectionLayer);

		setUnderlyingLayer(this.viewportLayer);

		registerCommandHandler(new CopyDataCommandHandler(this.selectionLayer));