Enhanced reading experience for local txt files with Element UI style and improved themes
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// ==UserScript==
// @name Local TXT Reader
// @namespace http://tampermonkey.net/
// @version 1.5
// @description Enhanced reading experience for local txt files with Element UI style and improved themes
// @author JiuYou2020
// @license MIT
// @match file:///*
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==
(function() {
'use strict';
// Ensure the script runs only on .txt files
if (window.location.pathname.endsWith('.txt')) {
// Set up styles
const style = document.createElement('style');
style.innerHTML = `
body {
margin: 0;
padding: 0;
display: flex;
height: 100vh;
overflow: hidden;
transition: background-color 0.3s, color 0.3s;
background-size: cover;
background-position: center;
}
.outer-container {
flex: 1;
overflow-y: auto;
scroll-behavior: smooth;
padding: 20px;
}
.content-container {
width: 55%;
margin: 0 auto;
transition: font-size 0.3s, line-height 0.3s, background-color 0.3s, color 0.3s;
padding: 20px;
border-radius: 10px;
}
.content-container p {
text-indent: 2em;
margin-top: 1em;
}
#settingsBtn {
position: fixed;
right: 20px;
bottom: 20px;
z-index: 1000;
padding: 12px;
background-color: #409EFF;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
box-shadow: 0 2px 12px 0 rgba(0,0,0,0.1);
transition: background-color 0.3s;
display: flex;
align-items: center;
justify-content: center;
}
#settingsBtn:hover {
background-color: #66b1ff;
}
#settingsPanel {
display: none;
position: fixed;
right: 20px;
bottom: 80px;
background-color: white;
border: 1px solid #EBEEF5;
border-radius: 4px;
padding: 20px;
z-index: 1000;
box-shadow: 0 2px 12px 0 rgba(0,0,0,0.1);
}
#settingsPanel div {
margin-bottom: 15px;
}
#settingsPanel button {
margin-right: 5px;
padding: 8px 15px;
border: 1px solid #DCDFE6;
border-radius: 4px;
cursor: pointer;
transition: all 0.3s;
background-color: white;
color: #606266;
}
#settingsPanel button:hover {
color: #409EFF;
border-color: #c6e2ff;
background-color: #ecf5ff;
}
.theme-btn {
width: 30px;
height: 30px;
border-radius: 4px;
}
#classicTheme { background-color: #e7e3d8; }
#whiteTheme { background-color: #ffffff; border: 1px solid #DCDFE6 !important; }
#darkTheme { background-color: #1e1e1e; }
.font-btn, .line-height-btn {
background-color: #409EFF !important;
color: white !important;
border: none !important;
}
.font-btn:hover, .line-height-btn:hover {
background-color: #66b1ff !important;
color: white !important;
}
#resetDefault {
background-color: #F56C6C !important;
color: white !important;
border: none !important;
}
#resetDefault:hover {
background-color: #f78989 !important;
}
#customBgInput {
display: none;
}
#customBgLabel {
display: inline-block;
padding: 8px 15px;
background-color: #67C23A;
color: white;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.3s;
}
#customBgLabel:hover {
background-color: #85ce61;
}
`;
document.head.appendChild(style);
// Get the text content
const text = document.body.textContent.trim();
// Split the text into paragraphs by newlines
const paragraphs = text.split(/\n+/).map(paragraph => paragraph.trim());
// Clear the body content
document.body.innerHTML = '';
// Create the outer container
const outerContainer = document.createElement('div');
outerContainer.className = 'outer-container';
document.body.appendChild(outerContainer);
// Create the content container
const contentContainer = document.createElement('div');
contentContainer.className = 'content-container';
outerContainer.appendChild(contentContainer);
// Add paragraphs to the content container
paragraphs.forEach(paragraph => {
if (paragraph) { // Only add non-empty paragraphs
const p = document.createElement('p');
p.textContent = paragraph;
contentContainer.appendChild(p);
}
});
// Create settings button
const settingsBtn = document.createElement('button');
settingsBtn.id = 'settingsBtn';
settingsBtn.textContent = '设置';
document.body.appendChild(settingsBtn);
// Create settings panel
const settingsPanel = document.createElement('div');
settingsPanel.id = 'settingsPanel';
settingsPanel.innerHTML = `
<div>
大小:
<button id="decreaseFont" class="font-btn">-</button>
<span id="currentFontSize"></span>
<button id="increaseFont" class="font-btn">+</button>
</div>
<div>
行高:
<button id="decreaseLineHeight" class="line-height-btn">-</button>
<span id="currentLineHeight"></span>
<button id="increaseLineHeight" class="line-height-btn">+</button>
</div>
<div>
主题:
<button id="classicTheme" class="theme-btn" title="经典"></button>
<button id="whiteTheme" class="theme-btn" title="纯白"></button>
<button id="darkTheme" class="theme-btn" title="暗黑"></button>
</div>
<div>
<label for="customBgInput" id="customBgLabel">自定义背景</label>
<input type="file" id="customBgInput" accept="image/*">
</div>
<div>
<button id="resetDefault">恢复默认设置</button>
</div>
`;
document.body.appendChild(settingsPanel);
// Define themes
const themes = {
classic: { bg: '#e7e3d8', text: '#333333', contentBg: '#f1ede4' },
white: { bg: '#ffffff', text: '#333333', contentBg: '#ffffff' },
dark: { bg: '#1e1e1e', text: '#ffffff', contentBg: 'rgba(30, 30, 30, 0.8)' }
};
// Function to save settings
function saveSettings() {
const settings = {
fontSize: contentContainer.style.fontSize,
lineHeight: contentContainer.style.lineHeight,
theme: currentTheme,
customBg: document.body.style.backgroundImage,
btnPosition: {
right: settingsBtn.style.right,
bottom: settingsBtn.style.bottom
}
};
GM_setValue('readerSettings', JSON.stringify(settings));
}
// Function to load settings
function loadSettings() {
const savedSettings = GM_getValue('readerSettings', null);
if (savedSettings) {
const settings = JSON.parse(savedSettings);
contentContainer.style.fontSize = settings.fontSize || '19px';
contentContainer.style.lineHeight = settings.lineHeight || '1.5';
applyTheme(settings.theme || 'classic');
if (settings.customBg) {
document.body.style.backgroundImage = settings.customBg;
}
if (settings.btnPosition) {
settingsBtn.style.right = settings.btnPosition.right;
settingsBtn.style.bottom = settings.btnPosition.bottom;
}
} else {
resetToDefault();
}
}
// Function to apply theme
function applyTheme(theme) {
if (theme !== 'custom') {
document.body.style.backgroundColor = themes[theme].bg;
document.body.style.color = themes[theme].text;
contentContainer.style.backgroundColor = themes[theme].contentBg;
document.body.style.backgroundImage = '';
}
currentTheme = theme;
}
// Function to reset to default settings
function resetToDefault() {
contentContainer.style.fontSize = '19px';
contentContainer.style.lineHeight = '1.5';
applyTheme('classic');
document.body.style.backgroundImage = '';
settingsBtn.style.right = '20px';
settingsBtn.style.bottom = '20px';
updateSettingsDisplay();
saveSettings();
}
// Load settings
let currentTheme = 'classic';
loadSettings();
// Function to save the current scroll position
function saveScrollPosition() {
const scrollPosition = outerContainer.scrollTop;
const fileName = window.location.pathname.split('/').pop();
GM_setValue(fileName, scrollPosition);
}
// Function to load the saved scroll position
function loadScrollPosition() {
const fileName = window.location.pathname.split('/').pop();
const savedPosition = GM_getValue(fileName, 0);
outerContainer.scrollTop = savedPosition;
}
// Load the saved position when the page loads
loadScrollPosition();
// Save the position when the user scrolls
outerContainer.addEventListener('scroll', saveScrollPosition);
// Handle arrow key navigation
document.addEventListener('keydown', function(e) {
const scrollAmount = 100; // Adjust this value to change scroll speed
if (e.key === 'ArrowUp') {
outerContainer.scrollBy({top: -scrollAmount, behavior: 'smooth'});
e.preventDefault();
} else if (e.key === 'ArrowDown') {
outerContainer.scrollBy({top: scrollAmount, behavior: 'smooth'});
e.preventDefault();
}
});
// Toggle settings panel
settingsBtn.addEventListener('click', () => {
settingsPanel.style.display = settingsPanel.style.display === 'none' ? 'block' : 'none';
updatePanelPosition();
});
// Make settings button draggable
let isDragging = false;
let dragOffsetX, dragOffsetY;
settingsBtn.addEventListener('mousedown', (e) => {
isDragging = true;
dragOffsetX = e.clientX - settingsBtn.offsetLeft;
dragOffsetY = e.clientY - settingsBtn.offsetTop;
});
document.addEventListener('mousemove', (e) => {
if (isDragging) {
const newX = e.clientX - dragOffsetX;
const newY = e.clientY - dragOffsetY;
settingsBtn.style.right = `${document.body.clientWidth - newX - settingsBtn.offsetWidth}px`;
settingsBtn.style.bottom = `${document.body.clientHeight - newY - settingsBtn.offsetHeight}px`;
updatePanelPosition();
}
});
document.addEventListener('mouseup', () => {
if (isDragging) {
isDragging = false;
saveSettings();
}
});
// Update settings panel position
function updatePanelPosition() {
const btnRect = settingsBtn.getBoundingClientRect();
settingsPanel.style.right = settingsBtn.style.right;
settingsPanel.style.bottom = `${parseFloat(settingsBtn.style.bottom) + btnRect.height + 10}px`;
}
// Font size controls
document.getElementById('decreaseFont').addEventListener('click', () => {
const currentSize = parseInt(contentContainer.style.fontSize);
if (currentSize > 10) {
contentContainer.style.fontSize = (currentSize - 1) + 'px';
updateSettingsDisplay();
saveSettings();
}
});
document.getElementById('increaseFont').addEventListener('click', () => {
const currentSize = parseInt(contentContainer.style.fontSize);
if (currentSize < 30) {
contentContainer.style.fontSize = (currentSize + 1) + 'px';
updateSettingsDisplay();
saveSettings();
}
});
// Line height controls
document.getElementById('decreaseLineHeight').addEventListener('click', () => {
const currentHeight = parseFloat(contentContainer.style.lineHeight);
if (currentHeight > 1) {
contentContainer.style.lineHeight = (currentHeight - 0.1).toFixed(1);
updateSettingsDisplay();
saveSettings();
}
});
document.getElementById('increaseLineHeight').addEventListener('click', () => {
const currentHeight = parseFloat(contentContainer.style.lineHeight);
if (currentHeight < 3) {
contentContainer.style.lineHeight = (currentHeight + 0.1).toFixed(1);
updateSettingsDisplay();
saveSettings();
}
});
// Theme controls
document.getElementById('classicTheme').addEventListener('click', () => {
applyTheme('classic');
saveSettings();
});
document.getElementById('whiteTheme').addEventListener('click', () => {
applyTheme('white');
saveSettings();
});
document.getElementById('darkTheme').addEventListener('click', () => {
applyTheme('dark');
saveSettings();
});
// Custom background
document.getElementById('customBgInput').addEventListener('change', (e) => {
const file = e.target.files[0];
if (file) {
const reader = new FileReader();
reader.onload = function(e) {
document.body.style.backgroundImage = `url(${e.target.result})`;
currentTheme = 'custom';
saveSettings();
}
reader.readAsDataURL(file);
}
});
// Reset to default
document.getElementById('resetDefault').addEventListener('click', resetToDefault);
// Update display of current settings
function updateSettingsDisplay() {
document.getElementById('currentFontSize').textContent = contentContainer.style.fontSize;
document.getElementById('currentLineHeight').textContent = contentContainer.style.lineHeight;
}
updateSettingsDisplay();
}
})();