308 lines
12 KiB
TypeScript
308 lines
12 KiB
TypeScript
import * as React from "react";
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import Card from "@material-ui/core/Card";
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import CardContent from "@material-ui/core/CardContent";
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import TextField from "@material-ui/core/TextField";
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import Grid from "@material-ui/core/Grid";
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import Button from "@material-ui/core/Button";
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import Typography from "@material-ui/core/Typography";
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import Popover from "@material-ui/core/Popover";
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import LinearProgress from "@material-ui/core/LinearProgress";
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import CircularProgress from "@material-ui/core/CircularProgress";
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import Paper from "@material-ui/core/Paper";
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import Tooltip from "@material-ui/core/Tooltip";
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import Dialog from "@material-ui/core/Dialog";
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import DialogActions from "@material-ui/core/DialogActions";
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import DialogContent from "@material-ui/core/DialogContent";
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import DialogContentText from "@material-ui/core/DialogContentText";
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import DialogTitle from "@material-ui/core/DialogTitle";
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import CloseIcon from "@material-ui/icons/Close";
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import { withRouter } from "react-router-dom";
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import { IVocab, IReviewCard, vocabToReviewCard, reviewQTypeToStr } from "../models/vocab";
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import { ReviewType, IReviewMetadata } from "../models/review";
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import { levW } from "../algorithms/levenshtein";
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import { LEVENSHTEIN_MAX_DISTANCE } from "../config";
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import { Queue } from "../utils/queue";
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interface IProps {
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levelId?: number;
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vocabByLevel?: (level: number) => Promise<IVocab[]>;
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vocabByQueue?: () => Promise<IVocab[]>;
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reviewType: ReviewType;
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history: any;
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dialogOpen: boolean;
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loading: boolean;
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vocab: IVocab[];
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current: IReviewCard;
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popoverOpen: boolean;
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popoverText: string;
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popoverColor: string;
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popoverTextColor: string;
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setReviewDialog: (state: boolean) => void;
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setSummary: (state: boolean) => void;
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setPopover: (state: boolean, text: string, color: string, textColor: string) => void;
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drawerButtonState: (state: boolean) => void;
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setLastReview: (meta: IReviewMetadata) => void;
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setReview: (curent: IReviewCard, meta: IReviewMetadata) => void;
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setLoading: (state: boolean) => void;
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}
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const ReviewPageWithRouter = withRouter(
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class ReviewPage extends React.Component<IProps> {
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private vocab: IVocab[] = [];
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private reviewQueue: Queue<IReviewCard> = new Queue();
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// Used for positioning the popover
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private buttonRef: HTMLButtonElement;
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private inputRef: HTMLInputElement;
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private metadata: IReviewMetadata = { correct: 0, wrong: 0 };
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constructor(props: any) {
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super(props);
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// Hide the drawer button
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this.props.drawerButtonState(false);
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const vocToQueue = () => {
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this.vocab.forEach((vocab) => {
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vocabToReviewCard(vocab).forEach(this.reviewQueue.enqueue);
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});
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this.props.setReview(this.reviewQueue.dequeue(), {
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correct: 0,
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wrong: 0,
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});
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this.props.setLoading(false);
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};
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// Get the correct vocabulary
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const { reviewType, vocabByLevel, levelId, vocabByQueue } = this.props;
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// Just to make TSC shut up
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const noopPromise = () => {
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return new Promise<IVocab[]>((res, rej) => {
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rej([]);
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});
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};
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const vocabByLevelW = vocabByLevel || noopPromise;
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const vocabByQueueW = vocabByQueue || noopPromise;
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const getVocab = {
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[ReviewType.LEVEL]: () => vocabByLevelW(levelId),
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[ReviewType.QUEUE]: () => vocabByQueueW(),
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}[reviewType];
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getVocab().then((res: IVocab[]) => {
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this.vocab = res;
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vocToQueue();
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});
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}
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openDialog = () => {
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this.props.setReviewDialog(true);
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}
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closeDialog = () => {
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this.props.setReviewDialog(false);
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}
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cancelReview = () => {
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this.closeDialog();
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// Show the drawer button again
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this.props.drawerButtonState(true);
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this.props.history.push("/dashboard");
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}
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increaseMeta = (correct: number, wrong: number): IReviewMetadata => {
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const { metadata } = this;
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return {
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wrong: metadata.wrong + wrong,
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correct: metadata.correct + correct,
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};
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}
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vocabFromId = (id: number): IVocab | {} => {
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return this.vocab.find((el) => el.id === this.props.current.id);
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}
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checkInput = () => {
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// Check if the given answer is somewhere in the german words
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const input = this.inputRef.value || "";
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// Map all possible answers to lowercase ( => ignore casing)
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const answers = this.props.current.answers.map((el) => el.toLowerCase());
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// Calculate the distances to all possible answers
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const dists = answers.map((el) => levW(input.toLowerCase(), el));
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// Find the lowest distance
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const minDist = Math.min(...dists);
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console.log("Review Queue size:", this.reviewQueue.size());
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// Check if the user's answer was correct
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if (minDist === 0) {
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// TODO: Show it's correct?
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// Show the next vocab word
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if (this.reviewQueue.size() === 0) {
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// Go to the summary screen
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this.props.setLastReview(this.metadata);
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this.props.setLoading(true);
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// Show the drawer button again
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this.props.drawerButtonState(true);
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this.props.history.push("/review/summary");
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} else {
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// Increase the vocab
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this.props.setReview(this.reviewQueue.dequeue(), this.increaseMeta(1, 0));
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this.inputRef.value = "";
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}
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} else if (minDist <= LEVENSHTEIN_MAX_DISTANCE) {
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this.props.setPopover(true, "Das war fast richtig", "yellow", "black");
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} else {
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// Find the IVocab item
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const vocab = this.vocabFromId(this.props.current.id);
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if (vocab) {
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// Re-Add the vocabulary item to the review queue
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// TODO: Only re-add when it when it's not re-queued
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// vocabToReviewCard(vocab).forEach(this.reviewQueue.enqueue);
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} else {
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console.log("[ReviewPage::checkInput] Could not find IVocab item for wrong IReviewCard");
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}
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this.props.setPopover(true, "Das war nicht richtig", "red", "white");
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}
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// TODO(?): Show a snackbar for showing the updated score
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}
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render() {
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if (this.props.loading) {
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return <div>
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<Grid
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container
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spacing={0}
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direction="column"
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alignItems="center"
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justify="center"
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style={{ minHeight: '100vh' }}>
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<Grid item xs={12}>
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<Paper className="paper">
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<Grid container direction="column" spacing={8}>
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<CircularProgress />
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</Grid>
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</Paper>
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</Grid>
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</Grid>
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</div>;
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}
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const { question, qtype } = this.props.current;
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const questionTitle = `${question} (${reviewQTypeToStr(qtype)})`;
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// TODO:
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const progress = 50;
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return <div>
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<Grid container justify="center">
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<Grid item style={{ width: "100%" }}>
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<Card>
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<CardContent>
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<Grid container direction="column">
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<center>
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<Typography variant="display2">
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{questionTitle}
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</Typography>
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</center>
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<TextField
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margin="normal"
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fullWidth={true}
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inputRef={node => this.inputRef = node}
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onKeyPress={(ev) => {
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// Allow checking of the answer by pressing Enter
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if (ev.key === "Enter")
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this.checkInput();
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}} />
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<LinearProgress
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variant="determinate"
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value={progress} />
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<Popover
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open={this.props.popoverOpen}
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anchorOrigin={{
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vertical: "center",
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horizontal: "center"
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}}
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transformOrigin={{
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vertical: "bottom",
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horizontal: "center"
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}}
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anchorEl={this.buttonRef}
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onClose={() => this.props.setPopover(false, "", "", "")}
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PaperProps={{
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style: {
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backgroundColor: this.props.popoverColor,
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padding: 10,
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color: this.props.popoverTextColor,
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}
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}}>
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<Typography
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variant="button"
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color="inherit">
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{this.props.popoverText}
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</Typography>
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</Popover>
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<Button
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onClick={this.checkInput}
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buttonRef={node => this.buttonRef = node}>
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Prüfen
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</Button>
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</Grid>
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</CardContent>
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</Card>
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</Grid>
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</Grid>
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<Tooltip
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title="Abbrechen"
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placement="top">
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<Button
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variant="fab"
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color="primary"
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className="review-fab"
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onClick={this.openDialog}>
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<CloseIcon />
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</Button>
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</Tooltip>
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<Dialog
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open={this.props.dialogOpen}
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onClose={this.closeDialog}>
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<DialogTitle>Willst du die Wiederholung abbrechen?</DialogTitle>
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<DialogContent>
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<DialogContentText>
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Wenn du jetzt abbricht, dann geht dein in dieser Wiederholung gesammelte Fortschritt
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verloren.
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</DialogContentText>
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</DialogContent>
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<DialogActions>
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<Button
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onClick={this.closeDialog}>
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Zurück zur Wiederholung
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</Button>
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<Button
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onClick={this.cancelReview}>
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Abbrechen
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</Button>
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</DialogActions>
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</Dialog>
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</div>;
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}
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}
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);
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export default ReviewPageWithRouter;
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