field-interaction.service.ts
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	import { Word } from '../models/models';
	import {EventEmitter} from '@angular/core';
	import {Subject} from 'rxjs';

	export class WordService {

	onHoveredWord = new EventEmitter<Word>();
	offHoveredWord = new EventEmitter<Word>();
	oldClickedWord: Word;
	onClickedWord = new EventEmitter<Word>();

	private informationSource = new Subject<Word>();
	wordChange$ = this.informationSource.asObservable();

	updateInfo(information: Word) {
	this.informationSource.next(information);
	}

	public onClickService(word: Word) {
	if ( word !== this.oldClickedWord) {
	this.onClickedWord.emit(word);
	this.oldClickedWord = word;
	}
	}

	public mouseEnterService(word: Word) {
	this.onHoveredWord.emit(word);
	}

	public mouseLeaveService(word: Word) {
	this.offHoveredWord.emit(word);
	}
	}