DetectTextStateChange

Отслеживание элементов ввода текста на форуме и защита от случайного перехода

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         DetectTextStateChange
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Отслеживание элементов ввода текста на форуме и защита от случайного перехода
// @author       vuchaev2015
// @match        https://zelenka.guru/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

let element = document.querySelector('.fr-wrapper');

let lastState = null;

let observer = new MutationObserver(function(mutations) {
    mutations.forEach(function(mutation) {
        if (mutation.attributeName === "class") {
            let classList = mutation.target.classList;
            if (classList.contains('show-placeholder')) {
                if (lastState !== 'empty') {
                    lastState = 'empty';
                }
            } else {
                if (lastState !== 'filled') {
                    lastState = 'filled';
                }
            }
        }
    });
});

observer.observe(element, { attributes: true });

window.addEventListener('beforeunload', function (e) {
    if (lastState === 'filled') {
        e.preventDefault();
        e.returnValue = '';
    }
});