added basic react stuff

.github/workflows/deploy_to_uberspace.yml

@@ -0,0 +1,50 @@
+# This is a workflow to deploy the react code to GitHub Pages.
+name: Deploy to Uberspace via GitHub Pages
+
+# Controls when the action will run.
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+    branches: [ main ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    name: Build and Deploy
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: '12'
+          check-latest: true
+      - name: Install Dependencies
+        run: yarn
+      - name: Add gh-pages as a dev-dependency
+        run: yarn add --dev gh-pages
+      - name: Build ReactJS App
+        run: yarn build
+      - name: Deploy to GitHub Pages
+        uses: Cecilapp/GitHub-Pages-deploy@3.1.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          email: thomas.rosen@me.com
+          build_dir: build
+          cname: ""
+      - name: run deploy commands on uberspace
+        uses: garygrossgarten/github-action-ssh@release
+        with:
+          command: |
+            cd ~/qrcode.volt.link/ && git checkout gh-pages && git pull && supervisorctl restart qrcode_volt_link;
+          host: maury.uberspace.de
+          username: volteu
+          password: ${{ secrets.UBERSPACE_PASSWORD_VOLTEU }}

README-react.md

@@ -0,0 +1,70 @@
+# Getting Started with Create React App
+
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `yarn start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+The page will reload if you make edits.\
+You will also see any lint errors in the console.
+
+### `yarn test`
+
+Launches the test runner in the interactive watch mode.\
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `yarn build`
+
+Builds the app for production to the `build` folder.\
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.\
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `yarn eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+
+If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+
+You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
+
+### Analyzing the Bundle Size
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
+
+### Making a Progressive Web App
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
+
+### Advanced Configuration
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
+
+### Deployment
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
+
+### `yarn build` fails to minify
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

package.json

@@ -0,0 +1,53 @@
+{
+  "name": "qrcode.volt.link",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@fluent/bundle": "^0.16.1",
+    "@fluent/langneg": "^0.5.2",
+    "@fluent/react": "^0.13.1",
+    "@material-ui/core": "^4.11.4",
+    "@material-ui/icons": "^4.11.2",
+    "@testing-library/jest-dom": "^5.11.4",
+    "@testing-library/react": "^11.1.0",
+    "@testing-library/user-event": "^12.1.10",
+    "intl-pluralrules": "^1.2.2",
+    "iso-639-1": "^2.1.9",
+    "react": "^17.0.2",
+    "react-beautiful-dnd": "^13.1.0",
+    "react-dom": "^17.0.2",
+    "react-inlinesvg": "^2.3.0",
+    "react-router-dom": "^5.2.0",
+    "react-scripts": "4.0.3",
+    "uuid": "^8.3.2",
+    "web-vitals": "^1.0.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject",
+    "analyze": "source-map-explorer 'build/static/js/*.js'"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+    "source-map-explorer": "^2.5.2"
+  }
+}

public/Ubuntu/index.css

@@ -0,0 +1,21 @@
+/* ubuntu-regular - latin */
+@font-face {
+  font-family: 'Ubuntu';
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: local(''),
+       url('./ubuntu-v15-latin-regular.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
+       url('./ubuntu-v15-latin-regular.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
+}
+
+/* ubuntu-700 - latin */
+@font-face {
+  font-family: 'Ubuntu';
+  font-style: normal;
+  font-weight: 700;
+  font-display: swap;
+  src: local(''),
+       url('./ubuntu-v15-latin-700.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
+       url('./ubuntu-v15-latin-700.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
+}

public/index.html

@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#502379" />
+    <meta
+      name="description"
+      content="Generate QR-Codes for Volt Europa."
+    />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>Volt QR-Code Generator</title>
+
+    <link rel="stylesheet" href="%PUBLIC_URL%/Ubuntu/index.css" type="text/css" />
+    <link rel="preload" href="%PUBLIC_URL%/Ubuntu/ubuntu-v15-latin-regular.woff2" as="font" type="font/woff2" crossorigin />
+    <link rel="preload" href="%PUBLIC_URL%/Ubuntu/ubuntu-v15-latin-700.woff2" as="font" type="font/woff2" crossorigin />
+
+    <script async defer data-website-id="1c499366-299a-410b-9dea-ee9ee12977a2" src="https://umami.qiekub.org/umami.js" data-domains="qrcode.volt.link"></script>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+  </body>
+</html>

public/manifest.json

@@ -0,0 +1,25 @@
+{
+  "short_name": "QR-Code",
+  "name": "Volt QR-Code Generator",
+  "icons": [
+    {
+      "src": "volt-logo-white-64.png",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/png"
+    },
+    {
+      "src": "volt-logo-white-192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "volt-logo-white-512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "browser",
+  "theme_color": "#502379",
+  "background_color": "#502379"
+}

public/robots.txt

@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:

src/components/Header.js

@@ -0,0 +1,15 @@
+import classes from './Header.module.css'
+
+export default function Header({ title, rightActions, notificationBanner }) {
+  return <header className={classes.header}>
+    <div className={classes.headerBar}>
+      <h2>{title}</h2>
+      {rightActions}
+    </div>
+    {
+      !!notificationBanner
+        ? <div className={classes.notificationBanner}>{notificationBanner}</div>
+        : null
+    }
+  </header>
+}

src/components/Header.module.css

@@ -0,0 +1,44 @@
+.header {
+  z-index: 9999;
+  position: sticky;
+
+  --minus_basis_x4: calc(-1 * var(--basis_x4));
+  margin: var(--minus_basis_x4) var(--minus_basis_x4) var(--basis_x4) var(--minus_basis_x4);
+  top: 0;
+
+  background: var(--background);
+  color: var(--on-background);
+}
+@supports(display: grid) {
+  .header {
+    background: rgba(var(--background-rgb), var(--alpha-more));
+    backdrop-filter: blur(var(--blur));
+  }
+}
+
+
+.header .headerBar {
+  display: flex;
+  justify-content: flex-start;
+  align-items: center;
+  flex-wrap: wrap;
+  padding: var(--basis_x2) var(--basis_x4);
+  gap: var(--basis_x4);
+
+  overflow: auto;
+  -webkit-overflow-scrolling: touch;
+}
+.header .headerBar h2{
+  flex-grow: 1;
+  margin-top: 0;
+  margin-bottom: 0;
+  margin-left: 0;
+}
+.header .headerBar button{
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.notificationBanner {
+  padding: var(--basis_x2);
+}

src/components/InputWithLocal.js

@@ -0,0 +1,71 @@
+import { useState, useCallback, useRef } from 'react'
+
+import ISO6391 from 'iso-639-1'
+
+const locales = ISO6391.getLanguages('en de es fr it nl pt'.split(' '))
+
+function InputWithLocal({ locale, defaultValue, children, style, onChange, ...props }) {
+  const wrapperDiv = useRef(null)
+
+  const [changedLocale, setChangedLocale] = useState(locale)
+  const [changedValue, setChangedValue] = useState(defaultValue)
+
+  const handleLocaleChange = useCallback((event) => {
+    setChangedLocale(event.target.value)
+    if (onChange) {
+      const target = wrapperDiv.current
+      target.value = {
+        locale: event.target.value,
+        value: changedValue,
+      }
+      onChange({ target })
+    }
+  }, [setChangedLocale, onChange, changedValue])
+
+  const handleTextChange = useCallback((event) => {
+    setChangedValue(event.target.value)
+    if (onChange) {
+      const target = wrapperDiv.current
+      target.value = {
+        locale: changedLocale,
+        value: event.target.value,
+      }
+      onChange({ target })
+    }
+  }, [setChangedValue, onChange, changedLocale])
+
+  return <div
+    ref={wrapperDiv}
+    style={{
+      display: 'flex',
+      flexDirection: 'row',
+      alignItems: 'flex-start',
+      maxWidth: '100%',
+      ...style
+    }}
+    {...props}
+  >
+    <select
+      onChange={handleLocaleChange}
+      defaultValue={locale}
+      style={{
+        margin: '0 var(--basis) 0 0'
+      }}
+    >
+      {locales.map(({ code, nativeName }) => <option key={code} value={code}>{nativeName}</option>) }
+    </select>
+    {
+      !!children
+        ? children({
+          onChange: handleTextChange,
+          defaultValue: defaultValue,
+          style: {
+            flexGrow: '1',
+          }
+        })
+        : null
+    }
+  </div>
+}
+
+export default InputWithLocal

src/components/MultiButton.js

@@ -0,0 +1,45 @@
+import { useState, useCallback, useEffect } from 'react'
+
+function MultiButton({ ariaLabel, items, defaultValue, onChange, style, className }) {
+  const [choosen, setChoosen] = useState()
+
+  useEffect(() => setChoosen(defaultValue), [defaultValue, setChoosen])
+
+  const handleClick = useCallback(event => {
+    const newValue = event.target.dataset.value
+    setChoosen(newValue)
+    if (onChange) {
+      onChange(newValue)
+    }
+  }, [setChoosen, onChange])
+
+  return <div
+    aria-label={ariaLabel}
+    className={'buttonRow ' + (className || '')}
+    style={{
+      display: 'inline-block',
+      ...style
+    }}
+  >
+    {
+      items.map(item => {
+        const value = item.value
+        const title = item.title
+        const icon = item.icon || null
+        return <button
+          key={value}
+          className={`${choosen === value ? 'choosen' : ''} ${!!icon ? 'hasIcon' : ''}`}
+          onClick={handleClick}
+          data-value={value}
+        >
+          <span style={{pointerEvents: 'none'}}>
+            {!!icon ? icon : null}
+            <span style={{verticalAlign: 'middle'}}>{title}</span>
+          </span>
+        </button>
+      })
+    }
+  </div>
+}
+
+export default MultiButton

src/components/MultiButton.module.css

@@ -0,0 +1,21 @@
+/* THIS IS NOT IN USE. THE STYLES ARE IN index.css */
+
+.buttonRow{
+  margin-top: var(--basis);
+}
+.buttonRow button{
+  margin: var(--basis) var(--basis) 0 0;
+}
+.buttonRow button:laft-of-type{
+  margin-right: 0;
+}
+.buttonRow button span {
+  vertical-align: middle;
+}
+
+.buttonRow button.hasIcon{
+  padding-left: var(--basis);
+}
+.buttonRow button.hasIcon span {
+  margin-left: var(--basis_x2);
+}

src/components/PermissionInput.js

@@ -0,0 +1,69 @@
+import { useState, useCallback, useRef } from 'react'
+
+function PermissionInput({ role, defaultValue, children, style, onChange, ariaLabel, placeholder, ...props }) {
+  const wrapperDiv = useRef(null)
+
+  const [changedRole, setChangedRole] = useState(role || 'editor')
+  const [changedValue, setChangedValue] = useState(defaultValue)
+
+  const handleRoleChange = useCallback((event) => {
+    setChangedRole(event.target.value)
+    if (onChange) {
+      const target = wrapperDiv.current
+      target.value = {
+        role: event.target.value,
+        value: changedValue,
+      }
+      onChange({ target })
+    }
+  }, [setChangedRole, onChange, changedValue])
+
+  const handleTextChange = useCallback((event) => {
+    setChangedValue(event.target.value)
+    if (onChange) {
+      const target = wrapperDiv.current
+      target.value = {
+        role: changedRole,
+        value: event.target.value,
+      }
+      onChange({ target })
+    }
+  }, [setChangedValue, onChange, changedRole])
+
+  return <div
+    ref={wrapperDiv}
+    style={{
+      display: 'flex',
+      flexDirection: 'row',
+      alignItems: 'flex-start',
+      maxWidth: '100%',
+      ...style
+    }}
+    {...props}
+  >
+    {
+      !!children
+        ? children({
+          onChange: handleTextChange,
+          defaultValue: defaultValue,
+          style: {
+            flexGrow: '1',
+          }
+        })
+        : null
+    }
+    <select
+      onChange={handleRoleChange}
+      defaultValue={role}
+      style={{
+        margin: '0 0 0 var(--basis)',
+        display: 'none',
+      }}
+    >
+      <option key="editor" value="editor">Editor</option>
+      <option key="viewer" value="viewer">Viewer</option>
+    </select>
+  </div>
+}
+
+export default PermissionInput

src/components/Repeater.js

@@ -0,0 +1,190 @@
+import { useState, useCallback, useEffect } from 'react'
+
+import { DragDropContext, Droppable, Draggable } from 'react-beautiful-dnd'
+
+import classes from './Repeater.module.css'
+
+function reorder(list, startIndex, endIndex) {
+  const result = Array.from(list)
+  const [removed] = result.splice(startIndex, 1)
+  result.splice(endIndex, 0, removed)
+
+  return result
+}
+
+function Repeater({ defaultValue, addDefaultValue, addButtonText, reorderLabel = 'Reorder', render, style, onChange, prependNewItems, isReorderable }) {
+  if (!(!!addButtonText)) {
+    addButtonText = 'Add Row'
+  }
+
+  const [rows, setRows] = useState([])
+
+  useEffect(() => {
+    let tmp_defaultValue = defaultValue
+    if (!Array.isArray(defaultValue) || defaultValue.length === 0) {
+      tmp_defaultValue = [addDefaultValue()]
+    }
+    setRows(tmp_defaultValue)
+  }, [defaultValue, addDefaultValue, setRows])
+
+  const handleRemoveRow = useCallback(event => {
+    const index = event.target.dataset.index
+    let new_rows = [...rows]
+    new_rows.splice(index, 1)
+    const rows_from_onChange = onChange(new_rows)
+    if (Array.isArray(rows_from_onChange)) {
+      new_rows = rows_from_onChange
+    }
+    setRows(new_rows)
+  }, [rows, setRows, onChange])
+
+  const handleRowChange = useCallback(event => {
+    const index = event.target.dataset.index
+    const _id = event.target.dataset.id
+    const newValue = event.target.value
+
+    const new_rows = [...rows]
+    if (typeof newValue !== 'object' || Array.isArray(newValue)) {
+      new_rows[index] = {
+        _id,
+        value: newValue
+      }
+    } else if (typeof newValue === 'object') {
+      new_rows[index] = {
+        _id,
+        ...newValue
+      }
+    }
+    setRows(new_rows)
+    onChange(new_rows)
+  }, [rows, setRows, onChange])
+
+  const handleAddRow = useCallback(event => {
+    const newValue = addDefaultValue()
+
+    let index = null
+    if (!!event.target.dataset.index) {
+      index = parseInt(event.target.dataset.index)
+      if (isNaN(index)) {
+        index = null
+      }
+    }
+
+    let new_rows = null
+    if (index !== null && index >= 0) {
+      new_rows = [...rows]
+      new_rows.splice(index, 0, newValue)
+    } else {
+      if (prependNewItems === true) {
+        new_rows = [newValue, ...rows]
+      } else {
+        new_rows = [...rows, newValue]
+      }
+    }
+
+    setRows(new_rows)
+    onChange(new_rows)
+  }, [rows, addDefaultValue, setRows, onChange, prependNewItems])
+
+  function onDragEnd(result) {
+    if (!result.destination) {
+      return
+    }
+
+    if (result.destination.index === result.source.index) {
+      return
+    }
+
+    const new_rows = reorder(
+      rows,
+      result.source.index,
+      result.destination.index
+    )
+    setRows(new_rows)
+    onChange(new_rows)
+  }
+
+  const hasOnlyOneRow = rows.length === 1
+
+  const addButton = <div style={{ textAlign: 'right' }}>
+    <button className={`green ${classes.addRowButton}`} onClick={handleAddRow}>{addButtonText}</button>
+  </div>
+
+  return <div style={style}>
+    {!hasOnlyOneRow && prependNewItems ? <div style={{ marginBottom: 'var(--basis)' }}>{addButton}</div> : null}
+
+    <DragDropContext onDragEnd={onDragEnd}>
+      <Droppable
+        droppableId="list"
+        isDropDisabled={isReorderable === true ? false : true}
+      >
+        {provided => (
+          <div ref={provided.innerRef} {...provided.droppableProps}>
+            {
+              rows
+              .filter(subDefaultValue => subDefaultValue._id)
+              .map(
+                (subDefaultValue, index) => <Draggable
+                  key={subDefaultValue._id}
+                  draggableId={subDefaultValue._id}
+                  index={index}
+                  isDragDisabled={isReorderable === true ? false : true}
+                  disableInteractiveElementBlocking={true}
+                >
+                  {provided => (
+                    <div
+                      ref={provided.innerRef}
+                      {...provided.draggableProps}
+
+                      key={subDefaultValue._id}
+                      className={classes.row}
+                    >
+                      {
+                        index !== 0
+                        ? <div className={classes.middleActions}>
+                          <div className={classes.trigger}></div>
+                          <div className={classes.content}>
+                            <button className={`green ${classes.inlineRowButton}`} data-index={index} onClick={handleAddRow}>+</button>
+                          </div>
+                        </div>
+                        : null
+                      }
+
+                      <div className={classes.form}>
+                        {
+                          isReorderable === true
+                            ? <button aria-label={reorderLabel} className={`text ${classes.inlineRowButton}`} {...provided.dragHandleProps}>☰</button>
+                            : null
+                        }
+                        {
+                          render({
+                            key: subDefaultValue._id,
+                            defaultValue: subDefaultValue,
+                            className: classes.item,
+                            'data-index': index,
+                            'data-id': subDefaultValue._id,
+                            onChange: handleRowChange
+                          })
+                        }
+                        {
+                          hasOnlyOneRow
+                            ? <button className={`green ${classes.inlineRowButton}`} onClick={handleAddRow}>+</button>
+                            : <button className={`red ${classes.inlineRowButton}`} data-index={index} onClick={handleRemoveRow}>–</button>
+                        }
+                      </div>
+                    </div>
+                  )}
+                </Draggable>
+              )
+            }
+            {provided.placeholder}
+          </div>
+        )}
+      </Droppable>
+    </DragDropContext>
+
+    {!hasOnlyOneRow && !prependNewItems ? addButton : null}
+  </div>
+}
+
+export default Repeater

src/components/Repeater.module.css

@@ -0,0 +1,67 @@
+.row {
+  margin-top: var(--basis);
+  display: flex;
+  flex-direction: column;
+  position: relative;
+}
+.row:first-of-type {
+  margin-top: 0;
+}
+
+.row .middleActions{
+  position: absolute;
+  display: block;
+  top: -6px;
+  right: 0;
+  left: 0;
+  height: 6px;
+}
+.row .middleActions .trigger{
+  height: 6px;
+}
+.row .middleActions .content{
+  position: absolute;
+  left: 50%;
+  transform: translate(-50%, calc(-50% - 3px));
+
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 0.2s ease;
+}
+.row .middleActions:hover .content{
+  opacity: 1;
+  pointer-events: all;
+}
+.row .form{
+  display: flex;
+  flex-direction: row;
+  align-items: flex-start;
+}
+
+.row .item {
+  flex-grow: 1;
+}
+
+.row .inlineRowButton{
+  flex-shrink: 0;
+  margin-top: 0;
+  margin-bottom: 0;
+  text-align: center;
+}
+.row .inlineRowButton:first-child {
+  margin-left: 0;
+}
+.row .inlineRowButton:last-child {
+  margin-right: 0;
+}
+
+.addRowButton{
+  /* width: 100%; */
+  margin-right: 0;
+  margin-bottom: 0;
+  margin-left: 0;
+}

src/fluent/Localized.js

@@ -0,0 +1,83 @@
+import React from 'react'
+import {
+  Localized as LocalizedOriginal,
+  // withLocalization,
+} from '@fluent/react'
+import { negotiateLanguages } from '@fluent/langneg'
+
+import { FluentContext } from '../../node_modules/@fluent/react/esm/context.js'
+
+const Localized = props => (
+  <LocalizedOriginal
+    key={props.id}
+    {...props}
+    elems={{
+      br: <br />,
+      ...props.elems,
+    }}
+  >
+    <React.Fragment>{props.children}</React.Fragment>
+  </LocalizedOriginal>
+)
+
+// A custom withLocalization to have an empty fallback.
+// It is nearly identical to the original.
+function withLocalization(Inner) {
+  function WithLocalization(props) {
+    const l10n = React.useContext(FluentContext)
+
+    const getString = (id, args, fallback) => l10n.getString(id, args, fallback || ' ')
+
+    const fluentByObject = (object, fallback) => {
+      if (!(!!fallback)) {
+        fallback = null
+      }
+
+      if (!!object) {
+        const globalSupportedLocales = l10n.supportedLocales || []
+        const thisSupportedLocales = Object.keys(object).filter(locale => globalSupportedLocales.includes(locale))
+
+        const currentLocales = negotiateLanguages(
+          l10n.userLocales,
+          thisSupportedLocales,
+          { defaultLocale: l10n.defaultLocale }
+        )
+
+        for (const locale of currentLocales) {
+          if (!!object[locale]) {
+            return object[locale]
+          }
+        }
+
+        return fallback
+      }
+
+      return fallback
+    }
+
+    return React.createElement(Inner, { fluentByObject, getString, ...props })
+  }
+  return WithLocalization
+}
+
+export {
+  withLocalization,
+  Localized,
+  Localized as default,
+}
+
+/*
+
+import { Localized, withLocalization } from '../Localized/'
+
+<Localized id="translation_id" />
+export default withLocalization(componentName)
+
+
+import Localized from '../Localized/'
+<Localized id="translation_id" />
+
+import { withLocalization } from '@fluent/react'
+export default withLocalization(componentName)
+
+*/

src/fluent/l10n.js

@@ -0,0 +1,94 @@
+import React, { useEffect, useState } from 'react'
+
+// https://projectfluent.org/play/
+
+// import { LocalizationProvider, Localized } from '@fluent/react' // '@fluent/react/compat'
+import { ReactLocalization, LocalizationProvider } from '@fluent/react'
+import { FluentBundle, FluentResource } from '@fluent/bundle'
+import { negotiateLanguages } from '@fluent/langneg'
+
+
+export const locales = {
+  de: 'Deutsch',
+  en: 'English',
+  // es: 'Español',
+  // pt: 'Português',
+  // fr: 'Français',
+  // it: 'Italiano',
+  // nl: 'Dutch',
+  // pl: 'Polska',
+  // ru: 'Pусский',
+}
+
+const _supportedLocales_ = Object.keys(locales)
+const _defaultLocale_ = 'en'
+
+
+async function fetchMessages(locale) {
+  const path = await import('../locales/' + locale + '.ftl')
+
+  const response = await fetch(path.default)
+  const messages = await response.text()
+
+  return { [locale]: new FluentResource(messages) }
+}
+
+function getDefaultBundles() {
+  const bundle = new FluentBundle('')
+  bundle.addResource(new FluentResource(''))
+  return new ReactLocalization([bundle])
+}
+
+async function createMessagesGenerator(currentLocales) {
+  const fetched = await Promise.all(
+    currentLocales.map(fetchMessages)
+  )
+  const messages = fetched.reduce(
+    (obj, cur) => Object.assign(obj, cur)
+  )
+
+  return function* generateBundles() {
+    for (const locale of currentLocales) {
+      const bundle = new FluentBundle(locale)
+      bundle.addResource(messages[locale])
+      yield bundle
+    }
+  }
+}
+
+export function AppLocalizationProvider({ userLocales, children, onLocaleChange }) {
+  const [bundles, setBundles] = useState(getDefaultBundles())
+
+  useEffect(() => {
+    async function loadBundles() {
+      const currentLocales = negotiateLanguages(
+        userLocales,
+        _supportedLocales_,
+        { defaultLocale: _defaultLocale_ }
+      )
+
+      if (!!onLocaleChange) {
+        onLocaleChange(currentLocales)
+      }
+
+      const generateBundles = await createMessagesGenerator(currentLocales)
+
+      const new_bundles = new ReactLocalization(generateBundles())
+      new_bundles.userLocales = userLocales
+      new_bundles.defaultLocale = _defaultLocale_
+      new_bundles.supportedLocales = _supportedLocales_
+      setBundles(new_bundles)
+    }
+    loadBundles()
+  }, [userLocales, onLocaleChange])
+
+  if (!bundles) {
+    // Show a loader.
+    return <div>Loading texts…</div>
+  }
+
+  return <LocalizationProvider l10n={bundles}>
+    {children}
+  </LocalizationProvider>
+}
+

src/index.css

@@ -0,0 +1,325 @@
+:root {
+  --white: #fff;
+  --white-rgb: 255, 255, 255;
+  --grey: #ede8f1;
+  --grey-rgb: 237, 232, 241;
+  --dark-grey: #aa94c0;
+  --dark-grey-rgb: 170, 148, 192;
+
+  --purple: #502379;
+  --purple-rgb: 80, 35, 121;
+  --purple-dark: #140022;
+  --purple-dark-rgb: 20, 0, 34;
+
+  --alpha-more: 0.8;
+  --alpha-less: 0.12;
+
+  --blur: 20px;
+
+  --yellow: #FDC220;
+  --on-yellow: #fff;
+  --green: #1BBE6F;
+  --on-green: #fff;
+  --blue: #82D0F4;
+  --on-blue: #fff;
+  --red: #E63E12;
+  --on-red: #fff;
+
+  --basis: 0.4rem;
+  --basis_x0_2: calc(0.2 * var(--basis));
+  --basis_x0_5: calc(0.5 * var(--basis));
+  --basis_x2: calc(2 * var(--basis));
+  --basis_x4: calc(4 * var(--basis));
+  --basis_x8: calc(8 * var(--basis));
+  --basis_x16: calc(16 * var(--basis));
+  /* --basis_x32: calc(32 * var(--basis)); */
+  --basis_x64: calc(64 * var(--basis));
+
+  --font-add: 1rem;
+}
+
+* {
+  margin: 0;
+  padding: 0;
+  font-family: 'Ubuntu', 'Noto Kufi Arabic', 'Geeza Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
+  /*
+    Ubuntu = Volt (It includes latin and arabic characters.)
+
+    Noto Kufi Arabic = A Noto font from Google (maybe it's installed)
+    Geeza Pro = macOS Arabic Default
+
+    -apple-system, BlinkMacSystemFont = macOS Default
+    Helvetica Neue = Old macOS Default
+    Segoe UI = Windows Default
+    Roboto = Android Default
+    Fira Sans = Firefox OS Default
+    Oxygen, Cantarell, Droid Sans = Linux
+
+    sans-serif = Fallback
+  */
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+html {
+  --background: var(--white);
+  --background-rgb: var(--white-rgb);
+  --background-contrast: var(--grey);
+  --background-contrast-rgb: var(--grey-rgb);
+  --on-background: var(--purple);
+  --on-background-contrast: var(--purple-dark);
+
+  --input-background: var(--background);
+  --constant-button-color: var(--background);
+}
+@media (prefers-color-scheme: dark) {
+  html {
+    --background: var(--purple-dark);
+    --background-rgb: var(--purple-dark-rgb);
+    --background-contrast: var(--purple);
+    --background-contrast-rgb: var(--purple-rgb);
+    --on-background: var(--white);
+    --on-background-contrast: var(--dark-grey);
+
+    --input-background: var(--background);
+    --constant-button-color: var(--background-contrast);
+  }
+}
+
+html[lang="ar"] { /* for arabic */
+  letter-spacing: 0 !important;
+}
+
+body {
+  background: var(--background);
+  color: var(--on-background);
+
+  --body-font-size: calc(var(--font-add) + var(--basis));
+  --body2-font-size: calc(var(--font-add) + var(--basis_x0_5));
+  font-size: var(--body-font-size);
+}
+
+code {
+  font-family: 'Ubuntu Mono', source-code-pro, Menlo, Monaco, Consolas, 'Courier New', monospace;
+}
+code.filled{
+  padding: var(--basis_x0_2);
+  margin: 0 var(--basis_x0_2);
+  border-radius: var(--basis_x0_5);
+  background: var(--on-background);
+  color: var(--background);
+}
+
+a,
+a:visited {
+  color: var(--on-background);
+}
+a:hover,
+a:focus {
+  color: var(--on-background-contrast);
+}
+
+footer {
+  padding: var(--basis_x4);
+  text-align: center;
+}
+
+h1 {
+  font-size: calc(var(--font-add) + var(--basis_x4));
+  line-height: 0.9;
+  /* margin: 0 0 var(--basis) 0; */
+  margin: var(--basis_x4) 0 var(--basis) 0;
+  text-decoration: inherit;
+}
+
+h2 {
+  font-size: calc(var(--font-add) + var(--basis_x2));
+  margin: var(--basis_x4) 0 var(--basis) 0;
+  text-decoration: inherit;
+}
+
+h3 {
+  font-size: calc(var(--font-add) + var(--basis));
+  margin: var(--basis_x4) 0 var(--basis) 0;
+  text-decoration: inherit;
+}
+
+h1.yellow,
+h2.yellow,
+h3.yellow {
+  color: var(--yellow);
+}
+h1.green,
+h2.green,
+h3.green {
+  color: var(--green);
+}
+h1.blue,
+h2.blue,
+h3.blue {
+  color: var(--blue);
+}
+h1.red,
+h2.red,
+h3.red {
+  color: var(--red);
+}
+
+p {
+  /* width: calc(var(--basis_x16) + var(--basis_x8)); */
+  max-width: 100%;
+  margin: var(--basis) 0;
+  text-decoration: inherit;
+}
+
+ul {
+  margin-inline-start: var(--basis_x4);
+  max-width: calc(100% - var(--basis_x4));
+}
+
+.body2 {
+  font-size: var(--body2-font-size);
+}
+
+button,
+textarea,
+input[type="text"],
+select {
+  min-width: 0px;
+  outline: none;
+  border: none;
+  margin: var(--basis);
+  font-size: var(--body-font-size);
+}
+textarea,
+input[type="text"] {
+  padding: var(--basis);
+  background: var(--input-background);
+  color: var(--on-background);
+  box-shadow: inset 0 0 0 calc(0.2 * var(--basis)) var(--on-background);
+}
+textarea.inverted,
+input[type="text"].inverted {
+  background: var(--on-background);
+  color: var(--input-background);
+  box-shadow: inset 0 0 0 calc(0.2 * var(--basis)) var(--on-background);
+}
+
+textarea:focus,
+input[type="text"]:focus {
+  background: var(--input-background);
+  color: var(--on-background);
+  box-shadow: inset 0 0 0 calc(0.2 * var(--basis)) var(--on-background-contrast);
+}
+
+textarea {
+  resize: vertical;
+  padding-bottom: var(--basis_x2);
+  min-height: 20px; /* TODO: Find out why this is value works. */
+}
+
+button,
+select {
+  font-weight: bold;
+  transition: transform 0.2s ease;
+  position: relative;
+  cursor: pointer;
+  padding: var(--basis) var(--basis_x2);
+
+  --button-background: var(--on-background);
+  --button-color: var(--constant-button-color);
+  background: var(--button-background);
+  color: var(--button-color);
+}
+
+select {
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  background-repeat: no-repeat;
+  background-position-x: calc(100% - 6px);
+  background-position-y: 50%;
+  padding: var(--basis) calc(var(--basis_x2) + 14px) var(--basis) var(--basis_x2);
+
+  background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
+}
+@media (prefers-color-scheme: dark) {
+  select {
+    background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
+  }
+}
+
+button.yellow {
+  --button-background: var(--yellow);
+  --button-color: var(--on-yellow);
+}
+button.green {
+  --button-background: var(--green);
+  --button-color: var(--on-green);
+}
+button.blue {
+  --button-background: var(--blue);
+  --button-color: var(--on-blue);
+}
+button.red {
+  --button-background: var(--red);
+  --button-color: var(--on-red);
+}
+button.text {
+  --button-background: transparent;
+  --button-color: var(--on-background);
+}
+button:focus {
+  --button-background: var(--background-contrast);
+  --button-color: var(--on-background);
+}
+button:hover{
+  transform-origin: center center;
+  transform: scale(1.05);
+}
+button.choosen:after {
+    content: "";
+    position: absolute;
+    top: calc(-1 * var(--basis_x0_5));
+    right: calc(-1 * var(--basis_x0_5));
+    bottom: calc(-1 * var(--basis_x0_5));
+    left: calc(-1 * var(--basis_x0_5));
+    box-shadow: 0 0 0 var(--basis_x0_5) var(--on-background);
+}
+button:focus.choosen:after {
+    box-shadow: 0 0 0 var(--basis_x0_5) var(--on-background-contrast);
+}
+
+.buttonRow button {
+  --margin-right: calc(var(--basis) * 1.5);
+  margin: var(--basis) var(--margin-right) calc(var(--basis) * .5) 0;
+}
+.buttonRow button:last-of-type {
+  margin-right: 0;
+}
+.buttonRow.usesLinks button:last-of-type {
+  margin-right: var(--margin-right);
+}
+.buttonRow.usesLinks a:last-of-type button {
+  margin-right: 0;
+}
+
+.buttonRow button.hasIcon{
+  padding-left: var(--basis);
+}
+.buttonRow button.hasIcon span {
+  margin-left: var(--basis_x2);
+}
+
+hr {
+  margin: var(--basis_x4) 0;
+  border: none;
+  height: var(--basis_x0_2);
+  background: var(--on-background);
+}
+
+@media (max-width: 1000px) {
+  .hideOnSmallScreen {
+    display: none;
+  }
+}

src/index.js

@@ -0,0 +1,69 @@
+import React, { useState, useEffect, useCallback } from 'react'
+import ReactDOM from 'react-dom'
+import './index.css'
+import App from './pages/App.js'
+// import reportWebVitals from './reportWebVitals'
+import { BrowserRouter as Router } from 'react-router-dom'
+
+import 'intl-pluralrules'
+import { AppLocalizationProvider, locales } from './fluent/l10n.js'
+
+window.domains = {
+  frontend: 'https://qrcode.volt.link',
+  // frontend: 'http://localhost:3000/',
+  backend: 'https://volt.link/',
+  // backend: 'http://localhost:4000/',
+}
+
+function AppLanguageWrapper() {
+  // const [userLocales, setUserLocales] = useState(['de'])
+  const [userLocales, setUserLocales] = useState(navigator.languages)
+  const [currentLocale, setCurrentLocale] = useState(null)
+
+  useEffect(() => {
+    if (!!window.umami) {
+      let systemLocales = navigator.languages
+      if (!!systemLocales || Array.isArray(systemLocales)) {
+        for (let locale of systemLocales) {
+          locale = locale.toLowerCase() // Not really correct but the system locales sadly don't conform to the standard.
+
+          const language = locale.split('-')[0]
+          if (language !== locale) {
+            window.umami.trackEvent('L: ' + language) // Log just the language.
+          }
+          window.umami.trackEvent('L: ' + locale) // Log the full locale.
+        }
+      }
+    }
+  }, [])
+
+  const handleLanguageChange = useCallback(event => {
+    setUserLocales([event.target.dataset.locale])
+  }, [setUserLocales])
+
+  const handleCurrentLocalesChange = useCallback(currentLocales => {
+    setCurrentLocale(currentLocales.length > 0 ? currentLocales[0] : '')
+  }, [setCurrentLocale])
+
+  return <AppLocalizationProvider
+    key="AppLocalizationProvider"
+    userLocales={userLocales}
+    onLocaleChange={handleCurrentLocalesChange}
+  >
+    <App locales={locales} currentLocale={currentLocale} onLanguageChange={handleLanguageChange} />
+  </AppLocalizationProvider>
+}
+
+ReactDOM.render(
+  <React.StrictMode>
+    <Router>
+      <AppLanguageWrapper />
+    </Router>
+  </React.StrictMode>,
+  document.getElementById('root')
+)
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+// reportWebVitals()

src/locales/de.ftl

@@ -0,0 +1,4 @@
+default_locale = de
+
+contact = Kontakt
+source_code = Quellcode

src/locales/en.ftl

@@ -0,0 +1,4 @@
+default_locale = en
+
+contact = Contact
+source_code = Source Code

src/pages/App.js

@@ -0,0 +1,22 @@
+import classes from './App.module.css'
+
+import {
+  Switch,
+  Route,
+} from 'react-router-dom'
+
+import Localized from '../fluent/Localized.js'
+
+function App() {
+  return (<>
+    <div className={classes.app}>
+    </div>
+    <footer>
+      <a href="mailto:thomas.rosen@volteuropa.org"><Localized id="contact" /></a>
+      &nbsp; • &nbsp;
+      <a href="https://github.com/voltbonn/qrcode.volt.link" target="_blank" rel="noreferrer"><Localized id="source_code" /></a>
+    </footer>
+  </>)
+}
+
+export default App

src/pages/App.module.css

@@ -0,0 +1,13 @@
+.app {
+  display: flex;
+  flex-direction: column;
+  align-items: left;
+  justify-content: flex-start;
+  /* text-align: center; */
+
+  padding: var(--basis_x4);
+  min-height: 80vh;
+
+  background: var(--background);
+  color: var(--on-background);
+}

src/pages/App.test.js

@@ -0,0 +1,8 @@
+// import { render, screen } from '@testing-library/react'
+// import App from './App'
+//
+// test('renders learn react link', () => {
+//   render(<App />)
+//   const linkElement = screen.getByText(/learn react/i)
+//   expect(linkElement).toBeInTheDocument()
+// })

src/reportWebVitals.js

@@ -0,0 +1,13 @@
+const reportWebVitals = onPerfEntry => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
+      getCLS(onPerfEntry);
+      getFID(onPerfEntry);
+      getFCP(onPerfEntry);
+      getLCP(onPerfEntry);
+      getTTFB(onPerfEntry);
+    });
+  }
+};
+
+export default reportWebVitals;

src/setupTests.js

@@ -0,0 +1,5 @@
+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom';