-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy patheasy-markdown-for-stackexchange.user.js
218 lines (192 loc) · 8.98 KB
/
easy-markdown-for-stackexchange.user.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
// ==UserScript==
// @name Easy Markdown for StackExchange
// @name:zh-CN 在StackExchange中显示Markdown
// @version 2.4
// @author Murphy Lo (http://github.com/MurphyLo)
// @description Adds "Markdown" and "Copy" buttons to display original Markdown content in StackExchange sites.
// @description:zh-CN 在StackExchange网站上添加“Markdown”和“Copy”按钮，以显示原始Markdown内容
// @license GNU GPL v3 (http://www.gnu.org/copyleft/gpl.html)
// @match https://*.stackoverflow.com/questions/*
// @match https://*.superuser.com/questions/*
// @match https://*.serverfault.com/questions/*
// @match https://*.stackexchange.com/questions/*
// @match https://*.askubuntu.com/questions/*
// @match https://*.math.stackexchange.com/questions/*
// @match https://*.tex.stackexchange.com/questions/*
// @match https://*.english.stackexchange.com/questions/*
// @match https://*.gaming.stackexchange.com/questions/*
// @match https://*.physics.stackexchange.com/questions/*
// @match https://*.chemistry.stackexchange.com/questions/*
// @match https://*.biology.stackexchange.com/questions/*
// @match https://*.programmers.stackexchange.com/questions/*
// @match https://*.electronics.stackexchange.com/questions/*
// @grant none
// @namespace https://greasyfork.org/users/1224148
// @downloadURL https://update.greasyfork.org/scripts/480874/Easy%20Markdown%20for%20StackExchange.user.js
// @updateURL https://update.greasyfork.org/scripts/480874/Easy%20Markdown%20for%20StackExchange.meta.js
// ==/UserScript==
// This script is a modified version of an original script by Manish Goregaokar (http://stackapps.com/users/10098/manishearth)
// Original script: https://github.com/Manishearth/Manish-Codes/raw/master/StackExchange/PrintPost.user.js
// The original script is licensed under the GNU GPL v3 (http://www.gnu.org/copyleft/gpl.html)
// Modifications made by Murphy Lo
(async function() {
'use strict';
// Function to fetch content of a post
async function fetchMarkdown(postId) {
const response = await fetch(`/posts/${postId}/edit-inline`);
// Check user login status.
if (response.status === 404) {
return "--- Please LOG IN StackExchange/Stackoverflow to view and copy the Markdown content. ---";
}
const data = await response.text();
let markdown = data.match(/<textarea[^>]*>([\s\S]*?)<\/textarea>/)[1];
// Decode HTML entities
return decodeHtmlEntities(markdown);
}
// Function to decode HTML entities from the content into Markdown plain text
function decodeHtmlEntities(str) {
const tempElement = document.createElement('div');
tempElement.innerHTML = str;
return tempElement.textContent;
}
// Function to show markdown content in a modal
function showMarkdown(event) {
// Prevent the default action
event.preventDefault();
// Disable scrolling on the main page
const scrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
document.body.style.overflow = 'hidden';
document.body.style.paddingRight = `${scrollbarWidth}px`;
// Add paddingRight to fixed positioned elements
const fixedElements = document.querySelectorAll('header.s-topbar');
fixedElements.forEach(el => el.style.paddingRight = `${scrollbarWidth}px`);
// Create a modal to display the markdown (updated style)
const modal = document.createElement('div');
modal.style.cssText = `
position: fixed;
z-index: 5051;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: none;
background-color: rgba(0,0,0,0.5);`;
const modalContent = document.createElement('div');
modalContent.style.cssText = `
background-color: #FFF;
margin: 5% auto;
padding: 20px;
border: 1px solid #888;
width: 70%;
max-height: 90%;
overflow-y: auto;
box-sizing: border-box;
border-radius: 5px;
box-shadow: 0 4px 8px 0 rgba(0,0,0,0.3);`;
// Updated close button style
const closeButton = document.createElement('span');
closeButton.style.cssText = `
color: #aaa;
float: right;
font-size: 28px;
font-weight: bold;
cursor: pointer;
margin-left: 10px;`;
closeButton.textContent = '✕';
closeButton.onmouseover = () => closeButton.style.color = 'black';
closeButton.onmouseout = () => closeButton.style.color = '#aaa';
const markdownElement = document.createElement('pre');
markdownElement.style.cssText = `
margin: 0;
white-space: pre-wrap;
word-wrap: break-word;
overflow-y: auto;`;
markdownElement.textContent = this.markdownContent;
modalContent.appendChild(closeButton);
modalContent.appendChild(markdownElement);
modal.appendChild(modalContent);
document.body.appendChild(modal);
// Close modal behaviors
function closeModal() {
// Removing the modal from the DOM
document.body.removeChild(modal);
document.removeEventListener('keydown', handleKeyDown);
// Re-enable scrolling on the main page and remove the paddingRight
document.body.style.overflow = '';
document.body.style.paddingRight = '';
// Remove paddingRight from fixed positioned elements
const fixedElements = document.querySelectorAll('header.s-topbar');
fixedElements.forEach(el => el.style.paddingRight = '');
}
// Click `x` to close modal
closeButton.onclick = closeModal;
// Press `Esc` to close modal
const handleKeyDown = (event) => event.keyCode === 27 && closeModal(); // 27 is the keyCode for the Esc key
document.addEventListener('keydown', handleKeyDown);
// Click modal background to close modal
modal.onclick = (e) => e.target === modal && closeModal();
}
// Function to copy text to clipboard
async function copyToClipboard(text) {
try {
await navigator.clipboard.writeText(text);
// console.log('Markdown content copied to clipboard');
} catch (err) {
console.error('Failed to copy Markdown content: ', err);
}
}
// Add "Markdown" and "Copy" buttons to each post
const posts = document.querySelectorAll('.question, .answer');
for (const post of posts) {
const postMenu = post.querySelector('.d-flex.gs8.s-anchors.s-anchors__muted.fw-wrap');
const separator = document.createElement('span');
separator.className = 'lsep';
separator.textContent = '|';
postMenu.appendChild(separator);
// Add Markdown button
const printButton = document.createElement('a');
printButton.href = '#';
printButton.textContent = 'Markdown';
printButton.title = 'View this post\'s Markdown content';
printButton.onclick = showMarkdown;
printButton.style.cssText = `
background-color: #f5f5f5;
padding: 5px 10px;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;`;
printButton.onmouseover = () => printButton.style.backgroundColor = '#e0e0e0';
printButton.onmouseout = () => printButton.style.backgroundColor = '#f5f5f5';
const printButtonWrapper = document.createElement('div');
printButtonWrapper.className = 'flex--item';
printButtonWrapper.appendChild(printButton);
postMenu.appendChild(printButtonWrapper);
// Add Copy button
const copyButton = document.createElement('a');
copyButton.href = '#';
copyButton.textContent = 'Copy';
copyButton.title = 'Copy this post\'s Markdown content to clipboard';
copyButton.onclick = (event) => {
event.preventDefault();
copyToClipboard(printButton.markdownContent);
copyButton.textContent = 'Copied!';
setTimeout(() => copyButton.textContent = 'Copy', 2000);
};
copyButton.style.cssText = `
background-color: #f5f5f5;
padding: 5px 10px;
border-radius: 5px;
cursor: pointer;
margin-left: 5px;
transition: background-color 0.3s;`;
copyButton.onmouseover = () => copyButton.style.backgroundColor = '#e0e0e0';
copyButton.onmouseout = () => copyButton.style.backgroundColor = '#f5f5f5';
const copyButtonWrapper = document.createElement('div');
copyButtonWrapper.className = 'flex--item';
copyButtonWrapper.appendChild(copyButton);
postMenu.appendChild(copyButtonWrapper);
// Fetch and store markdown content
const postId = post.dataset.questionid || post.dataset.answerid;
printButton.markdownContent = await fetchMarkdown(postId);
}
})();