Autosaves and displays the last 15 entries of a single input field. Entries are saved on Enter or button click, and can be recovered or deleted.
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// ==UserScript==
// @name Autosave form Inputs and Display 15-Item History
// @namespace http://tampermonkey.net/
// @version 2024-08-08
// @description Autosaves and displays the last 15 entries of a single input field. Entries are saved on Enter or button click, and can be recovered or deleted.
// @author Lawrence d'Aniello
// @match https://example.com/* // Customize to match your target website
// @license MIT
// @grant none
// @website https://www.comune.roma.it/web/it/istituzione-biblioteche-di-roma-uffici-e-contatti.page?contentId=UFF36376
// ==/UserScript==
(function() {
'use strict';
// 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
inputField.setAttribute('autocomplete', 'off');
let savedInputEntries = JSON.parse(localStorage.getItem('savedInputEntries')) || [];
function updateSavedInputEntries(newEntry) {
if (newEntry.trim() !== "" && !savedInputEntries.includes(newEntry)) {
savedInputEntries.push(newEntry);
if (savedInputEntries.length > 15) {
savedInputEntries.shift();
}
localStorage.setItem('savedInputEntries', JSON.stringify(savedInputEntries));
displaySavedInputEntries();
}
}
function deleteEntry(entryToDelete) {
savedInputEntries = savedInputEntries.filter(entry => entry !== entryToDelete);
localStorage.setItem('savedInputEntries', JSON.stringify(savedInputEntries));
displaySavedInputEntries();
}
function displaySavedInputEntries() {
let existingDropdown = document.getElementById('savedInputEntriesDropdown');
if (existingDropdown) {
existingDropdown.remove();
}
const dropdown = document.createElement('ul');
dropdown.id = 'savedInputEntriesDropdown';
dropdown.style.listStyleType = 'none';
dropdown.style.padding = '5px';
dropdown.style.border = '1px solid #ccc';
dropdown.style.position = 'absolute';
dropdown.style.backgroundColor = '#fff';
dropdown.style.zIndex = '1000';
dropdown.style.maxHeight = '150px';
dropdown.style.overflowY = '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`;
const uniqueEntries = new Set(savedInputEntries);
Array.from(uniqueEntries).reverse().forEach(entry => {
const listItem = document.createElement('li');
listItem.style.display = 'flex';
listItem.style.justifyContent = 'space-between';
listItem.style.padding = '5px';
listItem.style.cursor = 'pointer';
listItem.style.position = 'relative';
listItem.style.transition = 'background-color 0.3s, color 0.3s';
listItem.textContent = entry;
// Hover styles
listItem.addEventListener('mouseover', function() {
listItem.style.backgroundColor = '#f0f0f0';
listItem.style.color = '#333';
deleteButton.style.display = 'inline';
});
listItem.addEventListener('mouseout', function() {
listItem.style.backgroundColor = '#fff';
listItem.style.color = '#000';
deleteButton.style.display = 'none';
});
const deleteButton = document.createElement('button');
deleteButton.textContent = '✖';
deleteButton.style.display = 'none';
deleteButton.style.background = 'none';
deleteButton.style.border = 'none';
deleteButton.style.color = 'red';
deleteButton.style.cursor = 'pointer';
deleteButton.style.position = 'absolute';
deleteButton.style.right = '10px';
deleteButton.style.top = '50%';
deleteButton.style.transform = 'translateY(-50%)';
deleteButton.addEventListener('click', function(event) {
event.stopPropagation();
deleteEntry(entry);
});
listItem.appendChild(deleteButton);
listItem.addEventListener('click', function() {
inputField.value = entry;
hideSavedInputEntries();
inputField.focus();
});
dropdown.appendChild(listItem);
});
document.body.appendChild(dropdown);
}
function hideSavedInputEntries() {
let existingDropdown = document.getElementById('savedInputEntriesDropdown');
if (existingDropdown) {
existingDropdown.remove();
}
}
function handleClick(event) {
if (event.target !== inputField && !inputField.contains(event.target)) {
hideSavedInputEntries();
} else if (event.target === inputField) {
displaySavedInputEntries();
}
}
inputField.addEventListener('focus', function() {
// Debounce the display function to prevent flickering
setTimeout(displaySavedInputEntries, 100);
});
document.addEventListener('click', handleClick);
inputField.addEventListener('input', function() {
hideSavedInputEntries();
});
inputField.addEventListener('keydown', function(event) {
if (event.key === 'Enter') {
updateSavedInputEntries(inputField.value);
hideSavedInputEntries();
}
});
searchButton.addEventListener('click', function() {
updateSavedInputEntries(inputField.value);
hideSavedInputEntries();
});
window.addEventListener('resize', function() {
let dropdown = document.getElementById('savedInputEntriesDropdown');
if (dropdown) {
const inputRect = inputField.getBoundingClientRect();
dropdown.style.left = `${inputRect.left}px`;
dropdown.style.top = `${inputRect.bottom + window.scrollY}px`;
dropdown.style.width = `${inputRect.width}px`;
}
});
})();