feat: add download as image button to explore

superset-frontend/spec/javascripts/explore/components/DisplayQueryButton_spec.jsx

@@ -20,6 +20,7 @@ import React from 'react';
 import { mount } from 'enzyme';
 import ModalTrigger from 'src/components/ModalTrigger';
 import { DisplayQueryButton } from 'src/explore/components/DisplayQueryButton';
+import { MenuItem } from 'react-bootstrap';
 
 describe('DisplayQueryButton', () => {
   const defaultProps = {
@@ -43,5 +44,6 @@ describe('DisplayQueryButton', () => {
   it('renders a dropdown', () => {
     const wrapper = mount(<DisplayQueryButton {...defaultProps} />);
     expect(wrapper.find(ModalTrigger)).toHaveLength(3);
+    expect(wrapper.find(MenuItem)).toHaveLength(5);
   });
 });

superset-frontend/src/dashboard/components/HeaderActionsDropdown.jsx

@@ -28,7 +28,7 @@ import SaveModal from './SaveModal';
 import injectCustomCss from '../util/injectCustomCss';
 import { SAVE_TYPE_NEWDASHBOARD } from '../util/constants';
 import URLShortLinkModal from '../../components/URLShortLinkModal';
-import downloadAsImage from '../util/downloadAsImage';
+import downloadAsImage from '../../utils/downloadAsImage';
 import getDashboardUrl from '../util/getDashboardUrl';
 import { getActiveFilters } from '../util/activeDashboardFilters';
 

superset-frontend/src/dashboard/components/SliceHeaderControls.jsx

@@ -22,7 +22,7 @@ import moment from 'moment';
 import { Dropdown, MenuItem } from 'react-bootstrap';
 import { t } from '@superset-ui/translation';
 import URLShortLinkModal from '../../components/URLShortLinkModal';
-import downloadAsImage from '../util/downloadAsImage';
+import downloadAsImage from '../../utils/downloadAsImage';
 import getDashboardUrl from '../util/getDashboardUrl';
 import { getActiveFilters } from '../util/activeDashboardFilters';
 

superset-frontend/src/explore/components/DisplayQueryButton.jsx

@@ -41,7 +41,7 @@ import { t } from '@superset-ui/translation';
 import getClientErrorObject from '../../utils/getClientErrorObject';
 import CopyToClipboard from './../../components/CopyToClipboard';
 import { getChartDataRequest } from '../../chart/chartAction';
-
+import downloadAsImage from '../../utils/downloadAsImage';
 import Loading from '../../components/Loading';
 import ModalTrigger from './../../components/ModalTrigger';
 import Button from '../../components/Button';
@@ -63,6 +63,7 @@ const propTypes = {
   animation: PropTypes.bool,
   queryResponse: PropTypes.object,
   chartStatus: PropTypes.string,
+  chartHeight: PropTypes.string.isRequired,
   latestQueryFormData: PropTypes.object.isRequired,
   slice: PropTypes.object,
 };
@@ -219,7 +220,7 @@ export class DisplayQueryButton extends React.PureComponent {
     return null;
   }
   render() {
-    const { animation, slice } = this.props;
+    const { animation, chartHeight, slice } = this.props;
     return (
       <DropdownButton
         noCaret
@@ -279,6 +280,18 @@ export class DisplayQueryButton extends React.PureComponent {
             {t('Run in SQL Lab')}
           </MenuItem>
         )}
+        <MenuItem
+          onClick={downloadAsImage(
+            '.chart-container',
+            // eslint-disable-next-line camelcase
+            slice?.slice_name ?? t('New chart'),
+            {
+              height: parseInt(chartHeight, 10),
+            },
+          )}
+        >
+          {t('Download as image')}
+        </MenuItem>
       </DropdownButton>
     );
   }

superset-frontend/src/explore/components/ExploreActionButtons.jsx

@@ -31,6 +31,7 @@ const propTypes = {
   canDownload: PropTypes.oneOfType([PropTypes.string, PropTypes.bool])
     .isRequired,
   chartStatus: PropTypes.string,
+  chartHeight: PropTypes.string.isRequired,
   latestQueryFormData: PropTypes.object,
   queryResponse: PropTypes.object,
   slice: PropTypes.object,
@@ -39,6 +40,7 @@ const propTypes = {
 export default function ExploreActionButtons({
   actions,
   canDownload,
+  chartHeight,
   chartStatus,
   latestQueryFormData,
   queryResponse,
@@ -95,6 +97,7 @@ export default function ExploreActionButtons({
         </a>
       )}
       <DisplayQueryButton
+        chartHeight={chartHeight}
         queryResponse={queryResponse}
         latestQueryFormData={latestQueryFormData}
         chartStatus={chartStatus}

superset-frontend/src/explore/components/ExploreChartHeader.jsx

@@ -45,6 +45,7 @@ const propTypes = {
   addHistory: PropTypes.func,
   can_overwrite: PropTypes.bool.isRequired,
   can_download: PropTypes.bool.isRequired,
+  chartHeight: PropTypes.string.isRequired,
   isStarred: PropTypes.bool.isRequired,
   slice: PropTypes.object,
   sliceName: PropTypes.string,
@@ -169,6 +170,7 @@ export class ExploreChartHeader extends React.PureComponent {
             slice={this.props.slice}
             canDownload={this.props.can_download}
             chartStatus={chartStatus}
+            chartHeight={this.props.chartHeight}
             latestQueryFormData={latestQueryFormData}
             queryResponse={queryResponse}
           />

superset-frontend/src/explore/components/ExploreChartPanel.jsx

@@ -102,6 +102,7 @@ class ExploreChartPanel extends React.PureComponent {
         addHistory={this.props.addHistory}
         can_overwrite={this.props.can_overwrite}
         can_download={this.props.can_download}
+        chartHeight={this.props.height}
         isStarred={this.props.isStarred}
         slice={this.props.slice}
         sliceName={this.props.sliceName}

superset-frontend/src/dashboard/util/downloadAsImage.ts → superset-frontend/src/utils/downloadAsImage.ts

@@ -17,7 +17,7 @@
  * under the License.
  */
 import { SyntheticEvent } from 'react';
-import domToImage from 'dom-to-image';
+import domToImage, { Options } from 'dom-to-image';
 import kebabCase from 'lodash/kebabCase';
 import { t } from '@superset-ui/translation';
 import { addWarningToast } from 'src/messageToasts/actions';
@@ -52,7 +52,7 @@ const generateFileStem = (description: string, date = new Date()) => {
 export default function downloadAsImage(
   selector: string,
   description: string,
-  backgroundColor = GRAY_BACKGROUND_COLOR,
+  domToImageOptions: Options = {},
 ) {
   return (event: SyntheticEvent) => {
     const elementToPrint = event.currentTarget.closest(selector);
@@ -63,7 +63,11 @@ export default function downloadAsImage(
       );
 
     return domToImage
-      .toJpeg(elementToPrint, { quality: 0.95, bgcolor: backgroundColor })
+      .toJpeg(elementToPrint, {
+        quality: 0.95,
+        bgcolor: GRAY_BACKGROUND_COLOR,
+        ...domToImageOptions,
+      })
       .then(dataUrl => {
         const link = document.createElement('a');
         link.download = `${generateFileStem(description)}.jpg`;