+class Ambiguities extends React.PureComponent {
+
+ constructor(props) {
+ super(props);
+
+ this.state = {
+ word_groups: props.words.map(word => [word]),
+ submitted: false,
+ selected: null
+ };
+ }
+
+ async handle_submit() {
+ const response = await fetch_post_json(`judging/${this.props.prompt.id}`,
+ this.state.word_groups);
+
+ if (response.status === 200) {
+ const result = await response.json();
+ if (! result.valid) {
+ add_message("danger", result.message);
+ return;
+ }
+ } else {
+ add_message("danger", "An error occurred submitting your answers");
+ return;
+ }
+
+ this.setState({
+ submitted: true
+ });
+ }
+
+ handle_click(word) {
+ if (this.state.selected == word) {
+ /* Second click on same word removes the word from the group. */
+ const new_groups = this.state.word_groups.filter(
+ group => (! group.includes(this.state.selected)) || (group.length > 1)).map(
+ group => {
+ return group.filter(w => w !== this.state.selected);
+ }
+ );
+ this.setState({
+ selected: null,
+ word_groups: [...new_groups, [word]]
+ });
+ } else if (this.state.selected) {
+ /* Click of a second word groups the two together. */
+ const new_groups = this.state.word_groups.filter(
+ group => (! group.includes(word)) || (group.length > 1)).map(
+ group => {
+ if (group.includes(this.state.selected)) {
+ if (! group.includes(word))
+ return [...group, word];
+ else
+ return group;
+ } else {
+ return group.filter(w => w !== word);
+ }
+ }
+ );
+ this.setState({
+ selected: null,
+ word_groups: new_groups
+ });
+ } else {
+ /* First click of a word selects it. */
+ this.setState({
+ selected: word
+ });
+ }
+ }
+
+ render() {
+ if (this.state.submitted)
+ return (
+ <div className="please-wait">
+ <h2>{this.props.players_judged}/
+ {this.props.players_total} players have responded</h2>
+ <p>
+ Please wait for the rest of the players to complete judging.
+ </p>
+ </div>
+ );
+
+ const btn_class = "ambiguity-button";
+ const btn_selected_class = btn_class + " selected";
+
+ return (
+ <div className="ambiguities">
+ <h2>Judging Answers</h2>
+ <p>
+ Click on each pair of answers that should be scored as equivalent,
+ (and click any word twice to split it out from a group). Remember,
+ what goes around comes around, so it's best to be generous when
+ judging.
+ </p>
+ {this.state.word_groups.map(word_group => {
+ return (
+ <div
+ className="ambiguity-group"
+ key={word_group[0]}
+ >
+ {word_group.map(word => {
+ return (
+ <button
+ className={this.state.selected === word ?
+ btn_selected_class : btn_class }
+ key={word}
+ onClick={() => this.handle_click(word)}
+ >
+ {word}
+ </button>
+ );
+ })}
+ </div>
+ );
+ })}
+ <p>
+ Click here when done judging:<br/>
+ <button
+ onClick={() => this.handle_submit()}
+ >
+ Send
+ </button>
+ </p>
+ </div>
+ );
+ }
+}
+