ui: add h-index tooltip

* INSPIR-3166

ui/src/common/components/CitationSummaryTable/CitationSummaryTable.jsx

@@ -1,6 +1,7 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 import { Map } from 'immutable';
+import { Link } from 'react-router-dom';
 
 import './CitationSummaryTable.scss';
 import ExternalLink from '../ExternalLink';
@@ -9,7 +10,7 @@ import LoadingOrChildren from '../LoadingOrChildren';
 import ErrorAlertOrChildren from '../ErrorAlertOrChildren';
 import { ErrorPropType } from '../../propTypes';
 
-const CITABLE_HELP_MESSAGE = (
+const PUBLISHED_HELP_MESSAGE = (
   <span>
     Published papers are believed to have undergone rigorous peer review.{' '}
     <ExternalLink href="http://inspirehep.net/info/faq/general#published">
@@ -18,6 +19,13 @@ const CITABLE_HELP_MESSAGE = (
   </span>
 );
 
+const H_INDEX_HELP_MESSAGE = (
+  <span>
+    The h-index is defined as the number of papers with citation number higher
+    or equal to h. <Link to="/literature/690567">Learn more</Link>
+  </span>
+);
+
 class CitationSummaryTable extends Component {
   render() {
     const {
@@ -47,7 +55,7 @@ class CitationSummaryTable extends Component {
                   <th>
                     <LabelWithHelp
                       label="Published"
-                      help={CITABLE_HELP_MESSAGE}
+                      help={PUBLISHED_HELP_MESSAGE}
                     />
                   </th>
                 </tr>
@@ -74,7 +82,12 @@ class CitationSummaryTable extends Component {
                   <td>{publishedBucket.getIn(['citations_count', 'value'])}</td>
                 </tr>
                 <tr>
-                  <th>h-index</th>
+                  <th>
+                    <LabelWithHelp
+                      label="h-index"
+                      help={H_INDEX_HELP_MESSAGE}
+                    />
+                  </th>
                   <td>{hIndex.get('all')}</td>
                   <td>{hIndex.get('published')}</td>
                 </tr>

ui/src/common/components/CitationSummaryTable/__tests__/__snapshots__/CitationSummaryTable.test.jsx.snap

@@ -61,7 +61,20 @@ exports[`CitationSummaryTable renders table without render props 1`] = `
           </tr>
           <tr>
             <th>
-              h-index
+              <LabelWithHelp
+                help={
+                  <span>
+                    The h-index is defined as the number of papers with citation number higher or equal to h. 
+                    <Link
+                      replace={false}
+                      to="/literature/690567"
+                    >
+                      Learn more
+                    </Link>
+                  </span>
+                }
+                label="h-index"
+              />
             </th>
             <td />
             <td />