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JavaFX中的WebView控件呈现URL并执行JavaScript（包括jQuery）。我们如何在鼠标悬停时从呈现的WebView控件中选择一个元素，并在单击时获取其Xpath？

我尝试添加mousemove，mouseenter和mouseleave，但是它同时匹配多个元素（父母和孩子）。它只能在一个元素周围添加边框。

主要应用程式：

// main/visualuserinput/VisualUserInput.java
package visualuserinput;

import javafx.application.Platform;
import javafx.concurrent.Worker;
import javafx.embed.swing.JFXPanel;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.layout.BorderPane;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
import visualuserinput.FileUtil;

import javax.swing.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;

public class VisualUserInput extends JFrame {

    private final JFXPanel jfxPanel = new JFXPanel();
    private WebEngine engine;

    private String url = "https://www.bezrealitky.cz/vyhledat?offerType=spolubydleni&estateType=byt&priceFrom=5000&priceTo=8000&disposition=&ownership=&construction=&equipped=&balcony=&order=timeOrder_desc&boundary=%5B%5B%7B%22lat%22%3A50.171436864513%2C%22lng%22%3A14.506905276796942%7D%2C%7B%22lat%22%3A50.154133576294%2C%22lng%22%3A14.599004629591036%7D%2C%7B%22lat%22%3A50.14524430128%2C%22lng%22%3A14.58773054712799%7D%2C%7B%22lat%22%3A50.129307131988%2C%22lng%22%3A14.60087568578706%7D%2C%7B%22lat%22%3A50.122604734575%2C%22lng%22%3A14.659116306376973%7D%2C%7B%22lat%22%3A50.106512499343%2C%22lng%22%3A14.657434650206028%7D%2C%7B%22lat%22%3A50.090685542974%2C%22lng%22%3A14.705099547441932%7D%2C%7B%22lat%22%3A50.072175921973%2C%22lng%22%3A14.700004206235008%7D%2C%7B%22lat%22%3A50.056898491904%2C%22lng%22%3A14.640206899053055%7D%2C%7B%22lat%22%3A50.038528576841%2C%22lng%22%3A14.666852728301023%7D%2C%7B%22lat%22%3A50.030955909657%2C%22lng%22%3A14.656128752460972%7D%2C%7B%22lat%22%3A50.013435368522%2C%22lng%22%3A14.66854956530301%7D%2C%7B%22lat%22%3A49.99444182116%2C%22lng%22%3A14.640153080292066%7D%2C%7B%22lat%22%3A50.010839032542%2C%22lng%22%3A14.527474219359988%7D%2C%7B%22lat%22%3A49.970771602447%2C%22lng%22%3A14.46224174052395%7D%2C%7B%22lat%22%3A49.970669964027%2C%22lng%22%3A14.400648545303966%7D%2C%7B%22lat%22%3A49.941901176098%2C%22lng%22%3A14.395563234671044%7D%2C%7B%22lat%22%3A49.948384148423%2C%22lng%22%3A14.337635637038034%7D%2C%7B%22lat%22%3A49.958376114735%2C%22lng%22%3A14.324977842107955%7D%2C%7B%22lat%22%3A49.9676286223%2C%22lng%22%3A14.34491711110104%7D%2C%7B%22lat%22%3A49.971859099005%2C%22lng%22%3A14.326815050839059%7D%2C%7B%22lat%22%3A49.990608728081%2C%22lng%22%3A14.342731259186962%7D%2C%7B%22lat%22%3A50.002211140429%2C%22lng%22%3A14.29483886971002%7D%2C%7B%22lat%22%3A50.023596577558%2C%22lng%22%3A14.315872285282012%7D%2C%7B%22lat%22%3A50.058309376419%2C%22lng%22%3A14.248086830069042%7D%2C%7B%22lat%22%3A50.073179111%2C%22lng%22%3A14.290193274400963%7D%2C%7B%22lat%22%3A50.102973823639%2C%22lng%22%3A14.224439442359994%7D%2C%7B%22lat%22%3A50.130060800171%2C%22lng%22%3A14.302396419107936%7D%2C%7B%22lat%22%3A50.116019827009%2C%22lng%22%3A14.360785349547996%7D%2C%7B%22lat%22%3A50.148005694843%2C%22lng%22%3A14.365662825877052%7D%2C%7B%22lat%22%3A50.14142969454%2C%22lng%22%3A14.394903042943952%7D%2C%7B%22lat%22%3A50.171436864513%2C%22lng%22%3A14.506905276796942%7D%2C%7B%22lat%22%3A50.171436864513%2C%22lng%22%3A14.506905276796942%7D%5D%5D&hasDrawnBoundary=1&mapBounds=%5B%5B%7B%22lat%22%3A51.58923530498002%2C%22lng%22%3A15.399838165986353%7D%2C%7B%22lat%22%3A51.58923530498002%2C%22lng%22%3A10.593319611298853%7D%2C%7B%22lat%22%3A49.626953225810375%2C%22lng%22%3A10.593319611298853%7D%2C%7B%22lat%22%3A49.626953225810375%2C%22lng%22%3A15.399838165986353%7D%2C%7B%22lat%22%3A51.58923530498002%2C%22lng%22%3A15.399838165986353%7D%5D%5D&center=%7B%22lat%22%3A50.618326631013446%2C%22lng%22%3A12.996578888642588%7D&zoom=8&locationInput=praha&limit=15";

    public VisualUserInput() {
        super();
        initComponents();

        getContentPane().add(jfxPanel);

        setSize(500, 500);
        // Kill everything on closing the …