feat(dashboard): Implement empty states for empty tabs

superset-frontend/src/components/EmptyState/index.tsx

@@ -58,6 +58,15 @@ const EmptyStateContainer = styled.div`
     & .ant-empty-image svg {
       width: auto;
     }
+
+    & a,
+    & span[role='button'] {
+      color: inherit;
+      text-decoration: underline;
+      &:hover {
+        color: ${theme.colors.grayscale.base};
+      }
+    }
   `}
 `;
 

superset-frontend/src/dashboard/components/DashboardBuilder/DashboardBuilder.tsx

@@ -34,7 +34,10 @@ import getDirectPathToTabIndex from 'src/dashboard/util/getDirectPathToTabIndex'
 import { URL_PARAMS } from 'src/constants';
 import { getUrlParam } from 'src/utils/urlUtils';
 import { DashboardLayout, RootState } from 'src/dashboard/types';
-import { setDirectPathToChild } from 'src/dashboard/actions/dashboardState';
+import {
+  setDirectPathToChild,
+  setEditMode,
+} from 'src/dashboard/actions/dashboardState';
 import { useElementOnScreen } from 'src/hooks/useElementOnScreen';
 import { FeatureFlag, isFeatureEnabled } from 'src/featureFlags';
 import {
@@ -398,6 +401,8 @@ const DashboardBuilder: FC<DashboardBuilderProps> = () => {
                   'Go to the edit mode to configure the dashboard and add charts',
                 )
               }
+              buttonText={canEdit && t('Edit the dashboard')}
+              buttonAction={() => dispatch(setEditMode(true))}
               image="dashboard.svg"
             />
           )}

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

@@ -24,6 +24,7 @@ import { componentShape } from '../util/propShapes';
 import DashboardComponent from '../containers/DashboardComponent';
 import DragDroppable from './dnd/DragDroppable';
 import { GRID_GUTTER_SIZE, GRID_COLUMN_COUNT } from '../util/constants';
+import { TAB_TYPE } from '../util/componentTypes';
 
 const propTypes = {
   depth: PropTypes.number.isRequired,
@@ -137,36 +138,82 @@ class DashboardGrid extends React.PureComponent {
       gridComponent,
       handleComponentDrop,
       depth,
-      editMode,
       width,
       isComponentVisible,
+      editMode,
+      canEdit,
+      setEditMode,
     } = this.props;
     const columnPlusGutterWidth =
       (width + GRID_GUTTER_SIZE) / GRID_COLUMN_COUNT;
 
     const columnWidth = columnPlusGutterWidth - GRID_GUTTER_SIZE;
     const { isResizing, rowGuideTop } = this.state;
 
+    const shouldDisplayEmptyState = gridComponent?.children?.length === 0;
+    const shouldDisplayTopLevelTabEmptyState =
+      shouldDisplayEmptyState && gridComponent.type === TAB_TYPE;
+
+    const dashboardEmptyState = editMode && (
+      <EmptyStateBig
+        title={t('Drag and drop components and charts to the dashboard')}
+        description={t(
+          'You can create a new chart or use existing ones from the panel on the right',
+        )}
+        buttonText={
+          <>
+            <i className="fa fa-plus" />
+            {t('Create a new chart')}
+          </>
+        }
+        buttonAction={() => {
+          window.open('/chart/add', '_blank', 'noopener noreferrer');
+        }}
+        image="chart.svg"
+      />
+    );
+
+    const topLevelTabEmptyState = editMode ? (
+      <EmptyStateBig
+        title={t('Drag and drop components to this tab')}
+        description={t(
+          `You can create a new chart or use existing ones from the panel on the right`,
+        )}
+        buttonText={
+          <>
+            <i className="fa fa-plus" />
+            {t('Create a new chart')}
+          </>
+        }
+        buttonAction={() => {
+          window.open('/chart/add', '_blank', 'noopener noreferrer');
+        }}
+        image="chart.svg"
+      />
+    ) : (
+      <EmptyStateBig
+        title={t('There are no components added to this tab')}
+        description={
+          canEdit && t('You can add the components in the edit mode.')
+        }
+        buttonText={canEdit && t('Edit the dashboard')}
+        buttonAction={
+          canEdit &&
+          (() => {
+            setEditMode(true);
+          })
+        }
+        image="chart.svg"
+      />
+    );
+
     return width < 100 ? null : (
       <>
-        {editMode && gridComponent?.children?.length === 0 && (
+        {shouldDisplayEmptyState && (
           <DashboardEmptyStateContainer>
-            <EmptyStateBig
-              title={t('Drag and drop components and charts to the dashboard')}
-              description={t(
-                'You can create new charts or use existing ones from the panel on the right',
-              )}
-              buttonText={
-                <>
-                  <i className="fa fa-plus" />
-                  {t('Create a new chart')}
-                </>
-              }
-              buttonAction={() => {
-                window.location.assign('/chart/add');
-              }}
-              image="chart.svg"
-            />
+            {shouldDisplayTopLevelTabEmptyState
+              ? topLevelTabEmptyState
+              : dashboardEmptyState}
           </DashboardEmptyStateContainer>
         )}
         <div className="dashboard-grid" ref={this.setGridRef}>

superset-frontend/src/dashboard/components/gridComponents/Tab.jsx

@@ -18,8 +18,12 @@
  */
 import React from 'react';
 import PropTypes from 'prop-types';
-import { styled } from '@superset-ui/core';
+import { bindActionCreators } from 'redux';
+import { connect } from 'react-redux';
+import { styled, t } from '@superset-ui/core';
 
+import { EmptyStateMedium } from 'src/components/EmptyState';
+import { setEditMode } from 'src/dashboard/actions/dashboardState';
 import DashboardComponent from '../../containers/DashboardComponent';
 import DragDroppable from '../dnd/DragDroppable';
 import EditableTitle from '../../../components/EditableTitle';
@@ -40,6 +44,7 @@ const propTypes = {
   renderType: PropTypes.oneOf([RENDER_TAB, RENDER_TAB_CONTENT]).isRequired,
   onDropOnTab: PropTypes.func,
   editMode: PropTypes.bool.isRequired,
+  canEdit: PropTypes.bool.isRequired,
   filters: PropTypes.object.isRequired,
 
   // grid related
@@ -53,6 +58,7 @@ const propTypes = {
   handleComponentDrop: PropTypes.func.isRequired,
   updateComponents: PropTypes.func.isRequired,
   setDirectPathToChild: PropTypes.func.isRequired,
+  setEditMode: PropTypes.func.isRequired,
 };
 
 const defaultProps = {
@@ -85,7 +91,7 @@ const renderDraggableContentTop = dropProps =>
     <div className="drop-indicator drop-indicator--top" />
   );
 
-export default class Tab extends React.PureComponent {
+class Tab extends React.PureComponent {
   constructor(props) {
     super(props);
     this.handleChangeText = this.handleChangeText.bind(this);
@@ -143,8 +149,11 @@ export default class Tab extends React.PureComponent {
       onResizeStop,
       editMode,
       isComponentVisible,
+      canEdit,
+      setEditMode,
     } = this.props;
 
+    const shouldDisplayEmptyState = tabComponent.children.length === 0;
     return (
       <div className="dashboard-component-tabs-content">
         {/* Make top of tab droppable */}
@@ -162,6 +171,43 @@ export default class Tab extends React.PureComponent {
             {renderDraggableContentTop}
           </DragDroppable>
         )}
+        {shouldDisplayEmptyState && (
+          <EmptyStateMedium
+            title={
+              editMode
+                ? t('Drag and drop components to this tab')
+                : t('There are no components added to this tab')
+            }
+            description={
+              canEdit &&
+              (editMode ? (
+                <span>
+                  {t('You can')}{' '}
+                  <a
+                    href="/chart/add"
+                    rel="noopener noreferrer"
+                    target="_blank"
+                  >
+                    {t('create a new chart')}
+                  </a>{' '}
+                  {t('or use existing ones from the panel on the right')}
+                </span>
+              ) : (
+                <span>
+                  {t('You can add the components in the')}{' '}
+                  <span
+                    role="button"
+                    tabIndex={0}
+                    onClick={() => setEditMode(true)}
+                  >
+                    {t('edit mode')}
+                  </span>
+                </span>
+              ))
+            }
+            image="chart.svg"
+          />
+        )}
         {tabComponent.children.map((componentId, componentIndex) => (
           <DashboardComponent
             key={componentId}
@@ -262,3 +308,20 @@ export default class Tab extends React.PureComponent {
 
 Tab.propTypes = propTypes;
 Tab.defaultProps = defaultProps;
+
+function mapStateToProps(state) {
+  return {
+    canEdit: state.dashboardInfo.dash_edit_perm,
+  };
+}
+
+function mapDispatchToProps(dispatch) {
+  return bindActionCreators(
+    {
+      setEditMode,
+    },
+    dispatch,
+  );
+}
+
+export default connect(mapStateToProps, mapDispatchToProps)(Tab);