return <Row style={styles.row} key={idx} item={item} onSelect={this.props.onRowSelect}>
                {columns.map((col, idx) => {
                    return <Column style={col.style} key={`${item._id}_${col.key}`}
                                   width={col.width || this._defaultCellWidth} type={col.type}>
                        {_.get(item, col.key)}
                    </Column>
                })}
            </Row>

if(action.id) {
            let index = state.items.findIndex(item => item._id == action.id);

            state.items[index].selected = action.selected;
        }else{
            state.items.map(e=>e.selected = action.selected);
        }

        return {
            ...state,
            items: state.items
        }