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默认隐藏视频模块。提供独立按钮控制视频模块的显示/隐藏，以及答案的展开/收拢。
// ==UserScript==
// @name 粉笔网 - 增强版视频隐藏+答案一键展开
// @license MIT
// @namespace http://tampermonkey.net/
// @version 2.7 // Version increased for two independent buttons
// @description 默认隐藏视频模块。提供独立按钮控制视频模块的显示/隐藏，以及答案的展开/收拢。
// @author 哈吉米
// @match *.fenbi.com/*
// @grant GM_addStyle
// @icon https://nodestatic.fbstatic.cn/weblts_spa_online/page/assets/fenbi32.ico
// ==/UserScript==
(function() {
'use strict';
// --- Video Display Control ---
const VIDEO_STYLE_ID = 'fenbi-video-display-style';
let isVideoHidden = true; // Default state: videos are hidden
function applyVideoHideStyles() {
let styleTag = document.getElementById(VIDEO_STYLE_ID);
if (!styleTag) {
styleTag = document.createElement('style');
styleTag.id = VIDEO_STYLE_ID;
styleTag.type = 'text/css';
document.head.appendChild(styleTag);
}
styleTag.textContent = `
/* --- Hide "analysis video" section by ID prefix --- */
section[id^="section-video"] {
display: none !important;
}
/* --- Hide video items in the analysis list --- */
.solu-list-item.video-item,
/* Hide "expand to watch video analysis" button */
.bg-color-gray-light2.border-gray-light3.font-color-gray-mid.expend-btn,
/* Hide other potential video-related promotional elements */
fb-ng-solution-detail-item[videotip],
.video-analysis-wrapper,
app-solution-video {
display: none !important;
}
`;
isVideoHidden = true;
}
function removeVideoHideStyles() {
const styleTag = document.getElementById(VIDEO_STYLE_ID);
if (styleTag) {
styleTag.remove();
}
isVideoHidden = false;
}
// Apply video hiding styles immediately on load as default
applyVideoHideStyles();
// --- DIV Toggle (Expand/Collapse) Control ---
// This state variable now indicates if the DIVs are *currently expanded* by our script
// So, if true, the next click should *collapse* them ("隐藏答案").
// If false, the next click should *expand* them ("显示答案").
let areDivsExpanded = false; // Initial state: Assume DIVs are collapsed or need expanding
let divClickObserver = null; // Mutation Observer instance
function toggleDivsClick(expandDivs) { // Renamed parameter to be clearer
// Disconnect any active observer to prevent re-triggering during our clicks
if (divClickObserver) {
divClickObserver.disconnect();
divClickObserver = null; // Reset observer reference
}
const targetNode = document.body;
const config = { childList: true, subtree: true };
const processButtons = (buttons) => {
buttons.forEach(button => {
const isActive = button.classList.contains('toggle-btn-active'); // 'toggle-btn-active' typically means expanded
if (expandDivs) { // If we want to *expand* them (button text: "显示答案")
if (!isActive) { // If it's currently NOT active (collapsed), click to expand
console.log('Clicking to expand DIV:', button);
button.click();
}
} else { // If we want to *collapse* them (button text: "隐藏答案")
if (isActive) { // If it's currently active (expanded), click to collapse
console.log('Clicking to collapse DIV:', button);
button.click();
}
}
});
};
const callback = function(mutationsList, observer) {
for (const mutation of mutationsList) {
if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
mutation.addedNodes.forEach(node => {
if (node.nodeType === 1 && node.matches('div.toggle-btn:has(svg)')) {
processButtons([node]);
} else if (node.nodeType === 1) {
const nestedButtons = node.querySelectorAll('div.toggle-btn:has(svg)');
if (nestedButtons.length > 0) {
processButtons(Array.from(nestedButtons));
}
}
});
} else if (mutation.type === 'attributes' && mutation.attributeName === 'class' &&
mutation.target.matches('div.toggle-btn:has(svg)')) {
processButtons([mutation.target]);
}
}
};
// Initialize and start the observer
divClickObserver = new MutationObserver(callback);
divClickObserver.observe(targetNode, config);
// Process any buttons already present on the page immediately
const initialButtons = document.querySelectorAll('div.toggle-btn:has(svg)');
if (initialButtons.length > 0) {
console.log('Processing initial toggle DIVs:', initialButtons);
processButtons(Array.from(initialButtons));
}
}
// --- Create and append the trigger buttons ---
function createButtons() {
// 1. Create DIV Toggle Button (for "答案" / Answer)
const divToggleButton = document.createElement('button');
divToggleButton.id = 'fenbi-div-toggle-btn';
// Initial text: Since `areDivsExpanded` is false, the first click will *expand* them.
divToggleButton.textContent = '显示答案'; // Button will show answers on click
divToggleButton.style.cssText = `
position: fixed;
top: 70px;
right: 10px;
z-index: 9999;
padding: 8px 15px;
background-color: #007bff; /* Blue - for "show answer" */
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 14px;
opacity: 0.8;
transition: opacity 0.3s ease;
`;
divToggleButton.onmouseover = () => { divToggleButton.style.opacity = '1'; };
divToggleButton.onmouseout = () => { divToggleButton.style.opacity = '0.8'; };
divToggleButton.onclick = () => {
if (!areDivsExpanded) { // If divs are currently collapsed (or default), click to EXPAND them
toggleDivsClick(true); // Argument `true` means we want to expand them
divToggleButton.textContent = '隐藏答案'; // Next click will hide them
divToggleButton.style.backgroundColor = '#dc3545'; // Red for "hide answer"
areDivsExpanded = true;
} else { // If divs are currently expanded, click to COLLAPSE them
toggleDivsClick(false); // Argument `false` means we want to collapse them
divToggleButton.textContent = '显示答案'; // Next click will show them
divToggleButton.style.backgroundColor = '#007bff'; // Blue for "show answer"
areDivsExpanded = false;
}
};
document.body.appendChild(divToggleButton);
// 2. Create Video Display Toggle Button
const videoToggleButton = document.createElement('button');
videoToggleButton.id = 'fenbi-video-toggle-btn';
videoToggleButton.textContent = '显示视频'; // Initial text, since videos are hidden by default
videoToggleButton.style.cssText = `
position: fixed;
top: 110px; /* Position below the first button */
right: 10px;
z-index: 9999;
padding: 8px 15px;
background-color: #28a745; /* Green for "show" */
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 14px;
opacity: 0.8;
transition: opacity 0.3s ease;
`;
videoToggleButton.onmouseover = () => { videoToggleButton.style.opacity = '1'; };
videoToggleButton.onmouseout = () => { videoToggleButton.style.opacity = '0.8'; };
videoToggleButton.onclick = () => {
if (isVideoHidden) {
removeVideoHideStyles(); // Show videos
videoToggleButton.textContent = '隐藏视频';
videoToggleButton.style.backgroundColor = '#6c757d'; // Gray for "hide"
} else {
applyVideoHideStyles(); // Hide videos
videoToggleButton.textContent = '显示视频';
videoToggleButton.style.backgroundColor = '#28a745'; // Green for "show"
}
};
document.body.appendChild(videoToggleButton);
}
// Ensure buttons are created once the page content is loaded
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', createButtons);
} else {
createButtons();
}
})();