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* @flow
* @prettier
*/
import * as React from "react";
import {
Card,
CardTitle,
CardText,
CardBody,
CardSubtitle,
Col,
Container,
Badge,
Row,
ListGroup,
ListGroupItem,
Alert,
Button,
} from "reactstrap";
import quizManagerHandler, {
quizManagerQuestion,
quizDataManager,
} from "../quiz-manager";
import { Markdown } from "./markdown";
import { NotFound, ConditionalRender } from "./shared";
import { MainContainer, PageTitle } from "./layout";
import { MenuListRenderer } from "./menu";
import device from "../helper.device";
import type { appList } from "./menu";
// Let flow know about our GIT_REVISION and PLEIAR_ENV globals (from webpack)
declare var PLEIAR_ENV: string;
type QuestionProps = {|
question: quizManagerQuestion | null,
|};
/**
* Displays the score of a completed quiz
*/
class CourseCompleted extends React.Component<{|
handler: quizManagerHandler,
|}> {
// eslint-disable-next-line require-jsdoc
constructor() {
super();
}
// eslint-disable-next-line require-jsdoc
render(): React.Node {
const { handler } = this.props;
let content: ?React.Node;
const endSlide = handler.getEndSlide();
let header: string = "Fullført og bestått!";
if (endSlide !== null) {
header = endSlide.header;
content = (
<Markdown
key="markdown-endslide"
content={endSlide.markdown}
permitSpecialNodes={true}
/>
);
}
return (
<Container>
<Row>
<Col>
<Alert color="success">
<h1 className="alert-header">{header}</h1>
<Row>
<Col>{content}</Col>
</Row>
</Alert>
</Col>
</Row>
</Container>
);
}
}
/**
* Renders a single question
*/
class Question extends React.Component<QuestionProps> {
/**
* Scroll ourself into view whenever a new Question is mounted (which in
* this case means whenever a new question is displayed)
*/
componentDidMount() {
window.scrollTo(0, 0);
}
// eslint-disable-next-line require-jsdoc
render(): React.Node {
const { question } = this.props;
if (question === null) {
return null;
}
const pushAnswer = (answer) => {
question.answer(answer);
};
const content: Array<React.Node> = [];
if (
question.markdown !== undefined &&
question.markdown !== null &&
typeof question.markdown === "string"
) {
content.push(
<Markdown
key="markdown-content"
content={question.markdown}
permitSpecialNodes={true}
/>,
);
}
// $FlowExpectedError[incompatible-type] - flow for some reason thinks something here is a string
const percentageCompleted: number = (
((question.questionNumber - 1) / question.totalQuestions) *
100
).toPrecision(2);
let listGroup: ?React.Node;
let id: number = 0;
let continueIsDisabled: boolean = true;
if (question.splashSlide === true || question.correct === true) {
continueIsDisabled = false;
}
if (question.splashSlide !== true) {
const options = [];
for (const possible of question.possibleAnswers) {
id++;
let feedback: ?React.Node;
let color: string;
let className: string = "force-pointer";
if (question.hasAnswered(possible)) {
className = "";
Eif (possible.correct === true) {
color = "success";
feedback = (
<Badge key="correct" pill>
Rett!
</Badge>
);
} else {
color = "danger";
feedback = (
<Badge key="wrong" pill>
Feil!
</Badge>
);
}
}
options.push(
<ListGroupItem
key={"lgi" + id}
data-question-id={id - 1}
color={color}
action
onClick={() => pushAnswer(possible)}
className={className}
>
{possible.entry} {feedback}
</ListGroupItem>,
);
}
listGroup = <ListGroup>{options}</ListGroup>;
}
return (
<Container>
<Row>
<Col>
<Card className="badgeNoBold">
<CardBody>
<CardSubtitle tag="h6" className="text-muted">
{percentageCompleted}% fullført
</CardSubtitle>
<CardTitle tag="h1">
{question.question}
</CardTitle>
<CardText tag="div">{content}</CardText>
{listGroup}
<CardText tag="div">
<div className="mt-2">
<Button
onClick={() => {
Eif (
continueIsDisabled === false
) {
question.handler.next();
}
}}
className="mt-2"
disabled={continueIsDisabled}
outline
color={
continueIsDisabled === true
? "secondary"
: "success"
}
>
Fortsett
</Button>
</div>
</CardText>
</CardBody>
</Card>
</Col>
</Row>
</Container>
);
}
}
type QuizProps = {|
handler: quizManagerHandler,
|};
/**
* The Quiz base class that renders a single quiz
*/
class Quiz extends React.Component<QuizProps> {
// eslint-disable-next-line require-jsdoc
constructor(props: QuizProps) {
super();
props.handler.listen(() => {
this.forceUpdate();
});
}
// eslint-disable-next-line require-jsdoc
render(): React.Node {
const { handler } = this.props;
if (handler.isDone()) {
return <CourseCompleted handler={handler} />;
}
return (
<Question
question={this.props.handler.current}
key={"question" + this.props.handler.currentID}
/>
);
}
}
/**
* Root of the about component.
*/
class ELearnRaw extends React.Component<{|
match: {| params: {| learningSet?: string |} |},
|}> {
// eslint-disable-next-line require-jsdoc
render(): React.Node {
const match = this.props.match;
let subComponent: React.Node;
let title: string = "E-læring";
if (match.params.learningSet) {
const entry = new quizManagerHandler(match.params.learningSet);
Iif (PLEIAR_ENV === "development") {
window.PleiarActiveQuizManager = entry;
}
if (entry.exists) {
title += " - " + entry.title;
subComponent = <Quiz handler={entry} />;
} else {
subComponent = <NotFound root={false} />;
}
} else {
subComponent = <ELearnList />;
}
return (
<MainContainer app="elearning">
<Row>
<Col>
<PageTitle title={title} />
{subComponent}
</Col>
</Row>
</MainContainer>
);
}
}
/**
* Builds a menu of all elearn entries
*/
class ELearnList extends React.PureComponent<{||}> {
// eslint-disable-next-line require-jsdoc
render(): React.Node {
let apps: appList = [];
for (const name of Object.keys(quizDataManager.data()).sort()) {
apps.push({
name: quizDataManager.data()[name].title,
id: "elaering/" + name,
});
}
apps = apps.sort((a, b) => a.name.localeCompare(b.name));
// On non-mobile devices the list will be displayed in two columns, so we split it
// into two columns so that it becomes:
// A B
// C D
//
// and not
//
// A C
// B D
//
// On mobile it is single-column, so the original sort order is correct.
//
// This will on some devices probably do the wrong thing, but the menu will
// work just fine either way, it just won't be perfectly alphabetical.
Eif (!device.isMobileDevice()) {
const appListOne: appList = [];
const appListTwo: appList = [];
let last: number = -1;
for (const app of apps) {
let addTo: appList = appListOne;
Iif (last === 1) {
addTo = appListTwo;
last = 2;
} else {
last = 1;
}
addTo.push(app);
}
apps = [].concat(appListOne, appListTwo);
}
return (
<>
<div className="col-lg-10 offset-lg-1">
<h1>E-læringskurs</h1>
<div className="mb-4">
Her finner du korte nettkurs produsert for medlemmer i
Fagforbundet. Kursene passer godt for deg som vil lære
noe nytt, eller friske opp kunnskapene i et tema du
kjenner til fra før. Alle kursene er gratis.
</div>
<MenuListRenderer apps={apps} />
</div>
</>
);
}
}
/**
* Root that loads our data
*/
class ELearn extends React.Component<{|
match: {| params: {| learningSet?: string |} |},
|}> {
// eslint-disable-next-line require-jsdoc
render(): React.Node {
return (
<ConditionalRender
component={ELearnRaw}
test={() => quizDataManager.hasInitialized()}
resolve={() => quizDataManager.initialize()}
{...this.props}
/>
);
}
}
export default ELearn;
export { CourseCompleted, Question, Quiz, ELearn, ELearnRaw, ELearnList };
|