Autosave Form Inputs and Display Saved Entries

Autosaves and displays entries from a single input field. Entries can be recovered or deleted. Dropdown only shows when clicking on the input field

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Autosave Form Inputs and Display Saved Entries
// @namespace    http://tampermonkey.net/
// @version      2024-08-13
// @description  Autosaves and displays entries from a single input field. Entries can be recovered or deleted. Dropdown only shows when clicking on the input field
// @author       Lawrence d'Aniello
// @match        https://example.com/* // Customize to match your target website
// @license      MIT
// @grant        none
// ==/UserScript==


(function() {
    'use strict';


    let inputField;
    let searchButton;
    let savedInputEntries = JSON.parse(localStorage.getItem('savedInputEntries1')) || [];


    function initScript() {
        
    // Example selectors - change these to match the specific site
    const inputField = document.querySelector('input[type="text"]'); // Change CSS selector to match your input field
    const searchButton = document.querySelector('button'); // Change CSS selector to match your search button


        if (!inputField || !searchButton) {
            setTimeout(initScript, 1000);
            return;
        }


        inputField.setAttribute('autocomplete', 'off');
        setupEventListeners();
    }


    function setupEventListeners() {
        inputField.addEventListener('focus', displaySavedInputEntries);
        document.addEventListener('click', handleClick);
        inputField.addEventListener('input', hideSavedInputEntries);
        if (searchButton) {
            searchButton.addEventListener('click', forceInputSave);
        }
        window.addEventListener('beforeunload', forceInputSave);
        inputField.addEventListener('keydown', (event) => {
            if (event.key === 'Enter') {
                forceInputSave();
            }
        });
    }


    function forceInputSave() {
        const currentValue = inputField.value.trim();
        if (currentValue && !savedInputEntries.includes(currentValue)) {
            savedInputEntries.unshift(currentValue);
            if (savedInputEntries.length > 15) {
                savedInputEntries.pop();
            }
            localStorage.setItem('savedInputEntries1', JSON.stringify(savedInputEntries));
        }
        hideSavedInputEntries();
    }


    function displaySavedInputEntries() {
        hideSavedInputEntries();


        const dropdown = document.createElement('ul');
        dropdown.id = 'savedInputEntriesDropdown1';
        dropdown.style.cssText = `
            list-style-type: none;
            padding: 5px;
            border: 1px solid #ccc;
            position: absolute;
            background-color: #fff;
            z-index: 1000;
            max-height: 150px;
            overflow-y: auto;
        `;


        const inputRect = inputField.getBoundingClientRect();
        dropdown.style.left = `${inputRect.left}px`;
        dropdown.style.top = `${inputRect.bottom + window.scrollY}px`;
        dropdown.style.width = `${inputRect.width}px`;


        savedInputEntries.forEach(entry => {
            const listItem = document.createElement('li');
            listItem.style.cssText = `
                display: flex;
                justify-content: space-between;
                padding: 5px;
                cursor: pointer;
                position: relative;
                transition: background-color 0.3s, color 0.3s;
            `;
            listItem.textContent = entry;


            const deleteButton = document.createElement('button');
            deleteButton.textContent = '✖';
            deleteButton.style.cssText = `
                display: none;
                background: none;
                border: none;
                color: red;
                cursor: pointer;
                position: absolute;
                right: 10px;
                top: 50%;
                transform: translateY(-50%);
            `;


            listItem.appendChild(deleteButton);


            listItem.addEventListener('mouseover', () => {
                listItem.style.backgroundColor = '#f0f0f0';
                listItem.style.color = '#333';
                deleteButton.style.display = 'inline';
            });


            listItem.addEventListener('mouseout', () => {
                listItem.style.backgroundColor = '#fff';
                listItem.style.color = '#000';
                deleteButton.style.display = 'none';
            });


            deleteButton.addEventListener('click', (event) => {
                event.stopPropagation();
                deleteEntry(entry);
            });


            listItem.addEventListener('click', () => {
                inputField.value = entry;
                hideSavedInputEntries();
                inputField.focus();
            });


            dropdown.appendChild(listItem);
        });


        document.body.appendChild(dropdown);
    }


    function hideSavedInputEntries() {
        const existingDropdown = document.getElementById('savedInputEntriesDropdown1');
        if (existingDropdown) {
            existingDropdown.remove();
        }
    }


    function handleClick(event) {
        if (event.target !== inputField && !inputField.contains(event.target)) {
            hideSavedInputEntries();
        } else if (event.target === inputField) {
            displaySavedInputEntries();
        }
    }


    function deleteEntry(entryToDelete) {
        savedInputEntries = savedInputEntries.filter(entry => entry !== entryToDelete);
        localStorage.setItem('savedInputEntries1', JSON.stringify(savedInputEntries));
        displaySavedInputEntries();
    }


    initScript();
})();