fix: [AA-1078] a11y and styling for weekly goals (#710)

* fix: [AA-1078] weekly learning goals fine tune

- Fix a11y issues with buttons
- Replace media query with algorithmic approach for determining button layout
- Misc styling fixes

src/course-home/outline-tab/OutlineTab.test.jsx

@@ -437,7 +437,7 @@ describe('Outline Tab', () => {
       const spy = jest.spyOn(thunks, 'saveWeeklyLearningGoal');
 
       await fetchAndRender();
-      const button = await screen.getByTestId('weekly-learning-goal-input-regular');
+      const button = await screen.getByTestId('weekly-learning-goal-input-Regular');
       fireEvent.click(button);
       expect(spy).toHaveBeenCalledTimes(0);
     });
@@ -468,9 +468,9 @@ describe('Outline Tab', () => {
 
       it.each`
       level     | days 
-      ${'casual'}  | ${1}
-      ${'regular'} | ${3}
-      ${'intense'} | ${5}
+      ${'Casual'}  | ${1}
+      ${'Regular'} | ${3}
+      ${'Intense'} | ${5}
         `('calls the API with a goal of $days when $level goal is clicked', async ({ level, days }) => {
   // click on Casual goal
   const button = await screen.queryByTestId(`weekly-learning-goal-input-${level}`);
@@ -486,7 +486,7 @@ describe('Outline Tab', () => {
   expect(screen.getByLabelText(messages.setGoalReminder.defaultMessage)).toBeEnabled();
 });
       it('shows and hides subscribe to reminders additional text', async () => {
-        const button = await screen.getByTestId('weekly-learning-goal-input-regular');
+        const button = await screen.getByTestId('weekly-learning-goal-input-Regular');
         fireEvent.click(button);
         // Verify the request was made
         await waitFor(() => {
@@ -526,11 +526,6 @@ describe('Outline Tab', () => {
         });
         await fetchAndRender();
       });
-
-      it('has button for weekly learning goal selected', async () => {
-        const radio = await screen.queryByTestId('weekly-learning-goal-input-regular');
-        expect(radio.checked).toEqual(true);
-      });
     });
   });
 

src/course-home/outline-tab/widgets/FlagButton.jsx

@@ -1,25 +1,35 @@
 import React from 'react';
 import PropTypes from 'prop-types';
+import classnames from 'classnames';
 
 function FlagButton({
   buttonIcon,
   title,
   text,
+  handleSelect,
+  isSelected,
 }) {
   return (
-    <div
-      className="flag-button col flex-grow-1 p-3"
+    <button
+      type="button"
+      className={classnames('flag-button m-1.5 pt-3 pb-md-3 pb-xl-0',
+        isSelected ? 'flag-button-selected' : '')}
+      // aria-checked={isSelected}
+      // role="radio"
+      // tabIndex={isSelected ? '0' : '-1'}
+      onClick={() => handleSelect()}
+      data-testid={`weekly-learning-goal-input-${title}`}
     >
-      <div className="row justify-content-center">
+      <div className="row justify-content-center pb-1 w-100 m-0">
         {buttonIcon}
       </div>
-      <div className="text-center small text-gray-700">
+      <div className={classnames('text-center small text-gray-700 pb-1', isSelected ? 'font-weight-bold' : '')}>
         {title}
       </div>
-      <div className="text-center micro text-gray-500">
+      <div className={classnames('text-center micro text-gray-500 pb-2', isSelected ? 'font-weight-bold' : '')}>
         {text}
       </div>
-    </div>
+    </button>
   );
 }
 
@@ -27,6 +37,8 @@ FlagButton.propTypes = {
   buttonIcon: PropTypes.element.isRequired,
   title: PropTypes.string.isRequired,
   text: PropTypes.string.isRequired,
+  handleSelect: PropTypes.func.isRequired,
+  isSelected: PropTypes.bool.isRequired,
 };
 
 export default FlagButton;

src/course-home/outline-tab/widgets/FlagButton.scss

@@ -3,23 +3,35 @@
 @import "~@edx/brand/paragon/overrides";
 
 .flag-button {
-  background-color: white;
-  border: 2px solid $light-400;
+  background-color: $white;
+  border: 1px solid $light-400;
   border-radius:.2rem;
-
-
-  &:focus {
-    border: 2px $blue;
-    box-shadow: 2px solid $yellow;
-  }
+  box-shadow: 0 0 0 2px $light-400;
 
   &:hover {
-    border: 2px solid $green;
-    box-shadow: 2px solid $teal;
+    border: 1px solid $primary-300;
+    box-shadow: 0 0 0 2px $white;
   }
 }
 
- input[type=radio]:checked + .flag-button  {
-   border: 2px solid $red;
-   box-shadow: 2px solid $green;
+.flag-button-selected {
+  border: 1px solid $primary-300;
+  box-shadow: 0 0 0 2px $primary-300;
+  pointer-events: none;
+}
+
+// @see https://heydonworks.com/article/the-flexbox-holy-albatross-reincarnated/
+// use the container size for layout instead of device media query
+.flag-button-container {
+  display: flex;
+  flex-wrap: wrap;
+  --margin: 1rem;
+  --modifier: calc(20rem - 100%);
+  margin: calc(var(--margin) * -1);
+}
+
+.flag-button-container > *  {
+  flex-grow: 1;
+  flex-basis: calc(var(--modifier) * 999);
+  margin: var(--margin);
 }

src/course-home/outline-tab/widgets/LearningGoalButton.jsx

@@ -3,8 +3,6 @@ import PropTypes from 'prop-types';
 
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { ReactComponent as FlagIntenseIcon } from '@edx/paragon/icons/svg/flag.svg';
-import { useMediaQuery } from 'react-responsive';
-import classNames from 'classnames';
 import { ReactComponent as FlagCasualIcon } from './flag_outline.svg';
 import { ReactComponent as FlagRegularIcon } from './flag_gray.svg';
 import FlagButton from './FlagButton';
@@ -16,9 +14,6 @@ function LearningGoalButton({
   handleSelect,
   intl,
 }) {
-  /* This is not the standard XL media query */
-  const isPastXl = useMediaQuery({ query: '(min-width: 1225px)' });
-
   const buttonDetails = {
     casual: {
       daysPerWeek: 1,
@@ -43,33 +38,13 @@ function LearningGoalButton({
   const values = buttonDetails[level];
 
   return (
-    <label
-      htmlFor={`weekly-learning-goal-input-${level}`}
-      className={classNames('col-auto col-md-12  m-0 p-0 pb-md-3 pb-xl-0 shadow-none',
-        `${isPastXl ? 'col-xl-auto' : ''}`)}
-      // This is required to make the component visible to tabbing
-      // eslint-disable-next-line jsx-a11y/no-noninteractive-tabindex
-      tabIndex="0"
-    >
-      <input
-        type="radio"
-        data-testid={`weekly-learning-goal-input-${level}`}
-        id={`weekly-learning-goal-input-${level}`}
-        name="learningGoal"
-        radioGroup="learningGoal"
-        value={values.daysPerWeek}
-        onChange={() => handleSelect(values.daysPerWeek)}
-        tabIndex="0"
-        checked={values.daysPerWeek === currentGoal}
-        className="position-absolute"
-        style={{ opacity: 0 }}
-      />
-      <FlagButton
-        buttonIcon={values.icon}
-        title={intl.formatMessage(values.title)}
-        text={intl.formatMessage(values.text)}
-      />
-    </label>
+    <FlagButton
+      buttonIcon={values.icon}
+      title={intl.formatMessage(values.title)}
+      text={intl.formatMessage(values.text)}
+      handleSelect={() => handleSelect(values.daysPerWeek)}
+      isSelected={currentGoal === values.daysPerWeek}
+    />
   );
 }
 

src/course-home/outline-tab/widgets/WeeklyLearningGoalCard.jsx

@@ -9,6 +9,7 @@ import messages from '../messages';
 import LearningGoalButton from './LearningGoalButton';
 import { saveWeeklyLearningGoal } from '../../data';
 import { useModel } from '../../../generic/model-store';
+import './FlagButton.scss';
 
 function WeeklyLearningGoalCard({
   daysPerWeek,
@@ -47,16 +48,26 @@ function WeeklyLearningGoalCard({
 
   return (
     <div className="row w-100 m-0 p-0">
-      <Card className="mb-3 shadow-sm border-0" data-testid="weekly-learning-goal-card">
+      <Card
+        className="mb-3 shadow border-0"
+        data-testid="weekly-learning-goal-card"
+      >
         <Card.Body className="p-3.5">
           <Card.Title>
             <h2 className="h4 m-0 text-primary-500">{intl.formatMessage(messages.setWeeklyGoal)}</h2>
           </Card.Title>
-          <Card.Text className="text-gray-700">
+          <Card.Text
+            className="text-gray-700"
+              // id="learning_goal_choices_label"
+          >
             {intl.formatMessage(messages.setWeeklyGoalDetail)}
           </Card.Text>
           <div
-            className="row w-100 m-0 p-0 justify-content-between"
+            className="flag-button-container m-0 p-0"
+              // making this work as a radio button for keyboard nav
+              // is not working
+              // role="radiogroup"
+              // aria-labelledby="learning_goal_choices_label"
           >
             <LearningGoalButton
               level="casual"