line and bar icon buttons

plugins/woocommerce-admin/client/components/chart/charts.js

@@ -44,13 +44,14 @@ class D3Chart extends Component {
 		this.getParams = this.getParams.bind( this );
 		this.state = {
 			allData: this.getAllData( props ),
+			type: props.type,
 			width: props.width,
 		};
 		this.tooltipRef = createRef();
 	}
 
 	componentDidUpdate( prevProps, prevState ) {
-		const { width } = this.props;
+		const { type, width } = this.props;
 		/* eslint-disable react/no-did-update-set-state */
 		if ( width !== prevProps.width ) {
 			this.setState( { width } );
@@ -59,6 +60,9 @@ class D3Chart extends Component {
 		if ( ! isEqual( [ ...nextAllData ].sort(), [ ...prevState.allData ].sort() ) ) {
 			this.setState( { allData: nextAllData } );
 		}
+		if ( type !== prevProps.type ) {
+			this.setState( { type } );
+		}
 		/* eslint-enable react/no-did-update-set-state */
 	}
 
@@ -157,6 +161,7 @@ class D3Chart extends Component {
 					data={ this.state.allData }
 					drawChart={ this.drawChart }
 					getParams={ this.getParams }
+					type={ this.state.type }
 					width={ this.state.width }
 				/>
 				<div className="tooltip" ref={ this.tooltipRef } />

plugins/woocommerce-admin/client/components/chart/d3-base/index.js

@@ -31,6 +31,8 @@ export default class D3Base extends Component {
 		data: PropTypes.any, // required to detect changes in data
 		drawChart: PropTypes.func.isRequired,
 		getParams: PropTypes.func.isRequired,
+		type: PropTypes.string,
+		width: PropTypes.number,
 	};
 
 	state = {
@@ -38,6 +40,7 @@ export default class D3Base extends Component {
 		params: null,
 		drawChart: null,
 		getParams: null,
+		type: null,
 		width: null,
 	};
 
@@ -62,6 +65,10 @@ export default class D3Base extends Component {
 			state = { ...state, width: nextProps.width };
 		}
 
+		if ( nextProps.type !== prevState.type ) {
+			state = { ...state, type: nextProps.type };
+		}
+
 		if ( ! isEmpty( state ) ) {
 			return { ...state, params: null };
 		}
@@ -79,7 +86,8 @@ export default class D3Base extends Component {
 		return (
 			( nextState.params !== null && ! isEqual( this.state.params, nextState.params ) ) ||
 			! isEqual( this.state.data, nextState.data ) ||
-			this.state.width !== nextState.width
+			this.state.width !== nextState.width ||
+			this.state.type !== nextState.type
 		);
 	}
 

plugins/woocommerce-admin/client/components/chart/index.js

@@ -3,10 +3,12 @@
  * External dependencies
  */
 import classNames from 'classnames';
-import { isEqual } from 'lodash';
+import { isEqual, partial } from 'lodash';
 import { Component, createRef } from '@wordpress/element';
+import { IconButton } from '@wordpress/components';
 import PropTypes from 'prop-types';
 import { interpolateViridis as d3InterpolateViridis } from 'd3-scale-chromatic';
+import Gridicon from 'gridicons';
 
 /**
  * Internal dependencies
@@ -50,9 +52,11 @@ class Chart extends Component {
 		this.state = {
 			data: props.data,
 			orderedKeys: getOrderedKeys( props ),
+			type: props.type,
 			visibleData: [ ...props.data ],
 			width: wpBody - 2 * calcGap,
 		};
+		this.handleTypeToggle = this.handleTypeToggle.bind( this );
 		this.handleLegendToggle = this.handleLegendToggle.bind( this );
 		this.handleLegendHover = this.handleLegendHover.bind( this );
 		this.updateDimensions = this.updateDimensions.bind( this );
@@ -80,6 +84,12 @@ class Chart extends Component {
 		window.removeEventListener( 'resize', this.updateDimensions );
 	}
 
+	handleTypeToggle( type ) {
+		if ( this.state.type !== type ) {
+			this.setState( { type } );
+		}
+	}
+
 	handleLegendToggle( event ) {
 		const { data } = this.props;
 		const orderedKeys = this.state.orderedKeys.map( d => ( {
@@ -130,17 +140,8 @@ class Chart extends Component {
 	}
 
 	render() {
-		const { orderedKeys, visibleData, width } = this.state;
-		const {
-			dateParser,
-			layout,
-			title,
-			tooltipFormat,
-			type,
-			xFormat,
-			x2Format,
-			yFormat,
-		} = this.props;
+		const { orderedKeys, type, visibleData, width } = this.state;
+		const { dateParser, layout, title, tooltipFormat, xFormat, x2Format, yFormat } = this.props;
 		const legendDirection = layout === 'standard' && width > WIDE_BREAKPOINT ? 'row' : 'column';
 		const chartDirection = layout === 'comparison' && width > WIDE_BREAKPOINT ? 'row' : 'column';
 		const legend = (
@@ -164,6 +165,22 @@ class Chart extends Component {
 				<div className="woocommerce-chart__header">
 					<span className="woocommerce-chart__title">{ title }</span>
 					{ width > WIDE_BREAKPOINT && legendDirection === 'row' && legend }
+					<div className="woocommerce-chart__types">
+						<IconButton
+							className={ classNames( 'woocommerce-chart__type-button', {
+								'woocommerce-chart__type-button-selected': type === 'line',
+							} ) }
+							icon={ <Gridicon icon="line-graph" /> }
+							onClick={ partial( this.handleTypeToggle, 'line' ) }
+						/>
+						<IconButton
+							className={ classNames( 'woocommerce-chart__type-button', {
+								'woocommerce-chart__type-button-selected': type === 'bar',
+							} ) }
+							icon={ <Gridicon icon="stats-alt" /> }
+							onClick={ partial( this.handleTypeToggle, 'bar' ) }
+						/>
+					</div>
 				</div>
 				<div
 					className={ classNames(
@@ -206,10 +223,6 @@ Chart.propTypes = {
 	 * A datetime formatting string to format the title of the toolip, passed to d3TimeFormat.
 	 */
 	tooltipFormat: PropTypes.string,
-	/**
-	 * Chart type of either `line` or `bar`.
-	 */
-	type: PropTypes.oneOf( [ 'bar', 'line' ] ),
 	/**
 	 * A datetime formatting string, passed to d3TimeFormat.
 	 */
@@ -230,6 +243,10 @@ Chart.propTypes = {
 	 * A title describing this chart.
 	 */
 	title: PropTypes.string,
+	/**
+	 * Chart type of either `line` or `bar`.
+	 */
+	type: PropTypes.oneOf( [ 'bar', 'line' ] ),
 };
 
 Chart.defaultProps = {
@@ -240,6 +257,7 @@ Chart.defaultProps = {
 	x2Format: '%b %Y',
 	yFormat: '$.3s',
 	layout: 'standard',
+	type: 'line',
 };
 
 export default Chart;

plugins/woocommerce-admin/client/components/chart/style.scss

@@ -14,7 +14,7 @@
 		display: flex;
 		flex-wrap: nowrap;
 		flex-direction: row;
-		justify-content: flex-start;
+		justify-content: space-between;
 		align-items: center;
 		width: 100%;
 
@@ -27,6 +27,18 @@
 			margin-left: $gap;
 			margin-right: $gap;
 		}
+
+		.woocommerce-chart__type-button {
+			&.components-icon-button {
+				color: $core-grey-light-700;
+				&.woocommerce-chart__type-button-selected {
+					color: $core-grey-dark-500;
+				}
+				&:hover {
+					box-shadow: none;
+				}
+			}
+		}
 	}
 
 	.woocommerce-chart__body {