Sticky metrics header. CSS updates.

components/DateFilter.js

@@ -13,10 +13,12 @@ const filterOptions = [
   { label: 'This year', value: '1year' },
 ];
 
-export default function DateFilter({ value, onChange }) {
+export default function DateFilter({ value, onChange, className }) {
   function handleChange(value) {
     onChange(getDateRange(value));
   }
 
-  return <DropDown value={value} options={filterOptions} onChange={handleChange} />;
+  return (
+    <DropDown className={className} value={value} options={filterOptions} onChange={handleChange} />
+  );
 }

components/DropDown.js

@@ -1,7 +1,8 @@
 import React, { useState, useEffect, useRef } from 'react';
+import classNames from 'classnames';
 import styles from './Dropdown.module.css';
 
-export default function DropDown({ value, options = [], onChange }) {
+export default function DropDown({ value, options = [], onChange, className }) {
   const [showMenu, setShowMenu] = useState(false);
   const ref = useRef();
 
@@ -30,7 +31,7 @@ export default function DropDown({ value, options = [], onChange }) {
   }, [ref]);
 
   return (
-    <div ref={ref} className={styles.dropdown} onClick={handleShowMenu}>
+    <div ref={ref} className={classNames(styles.dropdown, className)} onClick={handleShowMenu}>
       <div className={styles.value}>
         {options.find(e => e.value === value).label}
         <div className={styles.caret} />

components/Dropdown.module.css

@@ -5,6 +5,8 @@
 }
 
 .value {
+  white-space: nowrap;
+  position: relative;
   padding: 4px 32px 4px 16px;
   border: 1px solid #b3b3b3;
   border-radius: 4px;

components/MetricsBar.js

@@ -1,10 +1,11 @@
 import React, { useState, useEffect } from 'react';
+import classNames from 'classnames';
 import MetricCard from './MetricCard';
-import { get } from '../lib/web';
+import { get } from 'lib/web';
 import { formatShortTime } from 'lib/format';
 import styles from './MetricsBar.module.css';
 
-export default function MetricsBar({ websiteId, startDate, endDate }) {
+export default function MetricsBar({ websiteId, startDate, endDate, className }) {
   const [data, setData] = useState({});
   const { pageviews, uniques, bounces, totaltime } = data;
 
@@ -19,10 +20,10 @@ export default function MetricsBar({ websiteId, startDate, endDate }) {
 
   useEffect(() => {
     loadData();
-  }, [startDate, endDate]);
+  }, [websiteId, startDate, endDate]);
 
   return (
-    <div className={styles.container}>
+    <div className={classNames(styles.container, className)}>
       <MetricCard label="Views" value={pageviews} />
       <MetricCard label="Visitors" value={uniques} />
       <MetricCard

components/PageviewsChart.js

@@ -1,9 +1,10 @@
 import React, { useState, useRef, useEffect, useCallback } from 'react';
+import classNames from 'classnames';
 import ChartJS from 'chart.js';
 import { format } from 'date-fns';
 import styles from './PageviewsChart.module.css';
 
-export default function PageviewsChart({ data, unit, children }) {
+export default function PageviewsChart({ data, unit, className, children }) {
   const canvas = useRef();
   const chart = useRef();
   const [tooltip, setTooltip] = useState({});
@@ -138,7 +139,7 @@ export default function PageviewsChart({ data, unit, children }) {
   }, [data]);
 
   return (
-    <div className={styles.chart}>
+    <div className={classNames(styles.chart, className)}>
       <canvas ref={canvas} width={960} height={400} />
       <Tootip {...tooltip} />
       {children}

components/RankingsChart.js

@@ -62,18 +62,15 @@ export default function RankingsChart({
 }
 
 const Row = ({ label, value, percent }) => {
-  const props = useSpring({ width: percent, from: { width: 0 } });
-  const valueProps = useSpring({ y: value, from: { y: 0 } });
+  const props = useSpring({ width: percent, y: value, from: { width: 0, y: 0 } });
 
   return (
     <div className={styles.row}>
       <div className={styles.label}>{label}</div>
-      <animated.div className={styles.value}>
-        {valueProps.y.interpolate(n => n.toFixed(0))}
-      </animated.div>
+      <animated.div className={styles.value}>{props.y.interpolate(n => n.toFixed(0))}</animated.div>
       <div className={styles.percent}>
         <animated.div>{props.width.interpolate(n => `${n.toFixed(0)}%`)}</animated.div>
-        <animated.div className={styles.bar} style={{ ...props }} />
+        <animated.div className={styles.bar} style={{ width: props.width }} />
       </div>
     </div>
   );

components/RankingsChart.module.css

@@ -2,18 +2,7 @@
   position: relative;
   min-height: 430px;
   font-size: 14px;
-  border-left: 1px solid #e1e1e1;
-  border-top: 1px solid #e1e1e1;
-  padding: 20px;
-}
-
-.container:first-child {
-  padding-left: 0;
-  border-left: 0;
-}
-
-.container:last-child {
-  padding-right: 0;
+  padding: 20px 0;
 }
 
 .header {

components/WebsiteChart.js

@@ -1,4 +1,5 @@
-import React, { useState, useEffect, useMemo } from 'react';
+import React, { useState, useEffect, useMemo, useRef } from 'react';
+import classNames from 'classnames';
 import PageviewsChart from './PageviewsChart';
 import { get } from 'lib/web';
 import { getDateArray, getDateRange, getTimezone } from 'lib/date';
@@ -6,15 +7,19 @@ import MetricsBar from './MetricsBar';
 import QuickButtons from './QuickButtons';
 import styles from './WebsiteChart.module.css';
 import DateFilter from './DateFilter';
+import useSticky from './hooks/useSticky';
 
 export default function WebsiteChart({
   websiteId,
   defaultDateRange = '7day',
+  stickHeader = false,
   onDateChange = () => {},
 }) {
   const [data, setData] = useState();
   const [dateRange, setDateRange] = useState(getDateRange(defaultDateRange));
   const { startDate, endDate, unit, value } = dateRange;
+  const [ref, sticky] = useSticky(stickHeader);
+  const width = useRef();
 
   const [pageviews, uniques] = useMemo(() => {
     if (data) {
@@ -46,15 +51,34 @@ export default function WebsiteChart({
     loadData();
   }, [websiteId, startDate, endDate, unit]);
 
+  useEffect(() => {
+    width.current = document.querySelector('main').offsetWidth;
+  }, [sticky]);
+
   return (
-    <div className={styles.container}>
-      <div className={styles.header}>
-        <MetricsBar websiteId={websiteId} startDate={startDate} endDate={endDate} />
-        <DateFilter value={value} onChange={handleDateChange} />
+    <>
+      <div
+        ref={ref}
+        className={classNames(styles.header, 'row', { [styles.sticky]: sticky })}
+        style={{ width: sticky ? width.current : 'auto' }}
+      >
+        <MetricsBar
+          className="col-12 col-md-9 col-lg-10"
+          websiteId={websiteId}
+          startDate={startDate}
+          endDate={endDate}
+        />
+        <DateFilter
+          className="col-12 col-md-3 col-lg-2"
+          value={value}
+          onChange={handleDateChange}
+        />
       </div>
-      <PageviewsChart data={{ pageviews, uniques }} unit={unit}>
+      <div className="row">
+        <PageviewsChart className="col" data={{ pageviews, uniques }} unit={unit}>
           <QuickButtons value={value} onChange={handleDateChange} />
         </PageviewsChart>
       </div>
+    </>
   );
 }

components/WebsiteChart.module.css

@@ -15,3 +15,13 @@
   align-items: center;
   margin-bottom: 10px;
 }
+
+.sticky {
+  position: fixed;
+  top: 0;
+  margin: auto;
+  background: #fff;
+  padding: 10px 0;
+  border-bottom: 1px solid #e1e1e1;
+  z-index: 1;
+}

components/WebsiteDetails.js

@@ -40,69 +40,76 @@ export default function WebsiteDetails({ websiteId, defaultDateRange = '7day' })
       <div className="row">
         <div className={classNames(styles.chart, 'col')}>
           <h1>{data.label}</h1>
-          <WebsiteChart websiteId={data.website_id} onDateChange={handleDateChange} />
+          <WebsiteChart websiteId={data.website_id} onDateChange={handleDateChange} stickHeader />
         </div>
       </div>
       <div className={classNames(styles.row, 'row justify-content-between')}>
+        <div className={pageviewClasses}>
           <RankingsChart
             title="Top URLs"
             type="url"
             heading="Views"
-          className={pageviewClasses}
             websiteId={data.website_id}
             startDate={startDate}
             endDate={endDate}
             dataFilter={urlFilter}
           />
+        </div>
+        <div className={pageviewClasses}>
           <RankingsChart
             title="Top referrers"
             type="referrer"
             heading="Views"
-          className={pageviewClasses}
             websiteId={data.website_id}
             startDate={startDate}
             endDate={endDate}
             dataFilter={refFilter}
           />
         </div>
+      </div>
       <div className={classNames(styles.row, 'row justify-content-between')}>
+        <div className={sessionClasses}>
           <RankingsChart
             title="Browsers"
             type="browser"
             heading="Visitors"
-          className={sessionClasses}
             websiteId={data.website_id}
             startDate={startDate}
             endDate={endDate}
             dataFilter={browserFilter}
           />
+        </div>
+        <div className={sessionClasses}>
           <RankingsChart
             title="Operating system"
             type="os"
             heading="Visitors"
-          className={sessionClasses}
             websiteId={data.website_id}
             startDate={startDate}
             endDate={endDate}
           />
+        </div>
+        <div className={sessionClasses}>
           <RankingsChart
             title="Devices"
             type="screen"
             heading="Visitors"
-          className={sessionClasses}
             websiteId={data.website_id}
             startDate={startDate}
             endDate={endDate}
             dataFilter={deviceFilter}
           />
         </div>
-      <div className="row">
-        <WorldMap data={countryData} className="col-12 col-md-12 col-lg-8" />
+      </div>
+      <div className={classNames(styles.row, 'row justify-content-between')}>
+        <div className="col-12 col-md-12 col-lg-8">
+          <WorldMap data={countryData} />
+        </div>
+        <div className="col-12 col-md-12 col-lg-4">
           <RankingsChart
             title="Countries"
             type="country"
             heading="Visitors"
-          className="col-12 col-md-12 col-lg-4"
             websiteId={data.website_id}
             startDate={startDate}
             endDate={endDate}
@@ -110,6 +117,7 @@ export default function WebsiteDetails({ websiteId, defaultDateRange = '7day' })
             onDataLoad={data => setCountryData(data)}
           />
         </div>
+      </div>
     </>
   );
 }

components/WebsiteDetails.module.css

@@ -1,3 +1,17 @@
 .chart {
   margin-bottom: 30px;
 }
+
+.row {
+  border-top: 1px solid #e1e1e1;
+}
+
+.row > [class*='col-'] {
+  border-left: 1px solid #e1e1e1;
+  padding: 0 20px;
+}
+
+.row > [class*='col-']:first-child {
+  border-left: 0;
+  padding-left: 0;
+}

components/WebsiteList.js

@@ -19,14 +19,14 @@ export default function WebsiteList() {
     <div className={styles.container}>
       {data &&
         data.websites.map(({ website_id, website_uuid, label }) => (
-          <>
+          <div key={website_id}>
             <h2>
               <Link href={`/${website_uuid}`}>
                 <a>{label}</a>
               </Link>
             </h2>
             <WebsiteChart key={website_id} title={label} websiteId={website_id} />
-          </>
+          </div>
         ))}
     </div>
   );

components/WorldMap.module.css

@@ -1,5 +1,4 @@
 .container {
   overflow: hidden;
   position: relative;
-  border-top: 1px solid #e1e1e1;
 }

components/hooks/useSticky.js

@@ -0,0 +1,31 @@
+import { useState, useEffect, useCallback, useRef } from 'react';
+
+export default function useSticky(enabled) {
+  const [node, setNode] = useState(null);
+  const [sticky, setSticky] = useState(false);
+  const offsetTop = useRef(0);
+
+  const ref = useCallback(node => {
+    offsetTop.current = node?.offsetTop;
+    setNode(node);
+  }, []);
+
+  useEffect(() => {
+    const checkPosition = () => {
+      const state = window.pageYOffset > offsetTop.current;
+      if (node && sticky !== state) {
+        setSticky(state);
+      }
+    };
+
+    if (enabled) {
+      window.addEventListener('scroll', checkPosition);
+    }
+
+    return () => {
+      window.removeEventListener('scroll', checkPosition);
+    };
+  }, [node, sticky, enabled]);
+
+  return [ref, sticky];
+}

pages/_app.js

@@ -1,6 +1,6 @@
 import React from 'react';
-import 'styles/index.css';
 import 'styles/bootstrap-grid.css';
+import 'styles/index.css';
 
 export default function App({ Component, pageProps }) {
   return <Component {...pageProps} />;

styles/index.css

@@ -43,3 +43,13 @@ select {
   border: 1px solid #b3b3b3;
   border-radius: 4px;
 }
+
+.row {
+  margin-right: 0;
+  margin-left: 0;
+}
+.row > .col,
+.row > [class*='col-'] {
+  padding-right: 0;
+  padding-left: 0;
+}