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codeblock_super_evolution.user.js
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codeblock_super_evolution.user.js
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// ==UserScript==
// @name 代码块超进化！
// @namespace tv.bgm.cedar.codeblockSuperEvolution!
// @version 2.0
// @description 进化！超代码块
// @author Cedar
// @include /^https?://((bangumi|bgm)\.tv|chii\.in)/.*$/
// @include /^https?://((bangumi|bgm)\.tv|chii\.in)/.*#post_\d+$/
// @include /^https?://((bangumi|bgm)\.tv|chii\.in)/.*#;$/
// @include /^https?://((bangumi|bgm)\.tv|chii\.in)/.*\?.*/
// @grant GM_addStyle
// ==/UserScript==
(function () {
'use strict';
GM_addStyle(`
#code-block-settings {
margin-top: 20px;
font-size: 16px;
}
#code-block-settings input {
margin-top: 10px;
height: 24px;
line-height: 24px;
border: 1px solid #aaa;
outline: none;
padding: 0 5px;
font-size: 16px;
}
#code-block-settings span {
margin-right: 10px;
}
#code-block-settings a {
cursor: pointer;
}
.code-block-settings-save {
margin-right: 10px;
cursor: pointer;
display: inline-block;
}
.code-block-settings-save+span {
display: inline-block;
width: 16px;
height: 8px;
border: 5px solid limegreen;
border-top: none;
border-right: none;
transform: rotate(-45deg);
}
`);
let code = document.querySelectorAll(".codeHighlight>pre");
let fontSettings = JSON.parse(localStorage['bgmcodeblockfont'] || "{}");
let userfontfamily = fontSettings.fontfamily || "";
let userfontsize = fontSettings.fontsize || "";
const validCollapseCode = h => (h.startsWith('!===') && h.endsWith('===!') || h.startsWith('===') && h.endsWith('==='));
const keywords = ['font-style', 'font-variant', 'font-weight', 'font-size', 'line-height', 'font-family'];
if (code.length) {
let defaultfontfamily = $(code[0]).css('font-family');
//const collapseBtn = $(document.createElement('button'))
const collapseBtn = $(document.createElement('a'))
.addClass("chiiBtn")
.attr('href', 'javascript:;')
.css('margin', '5px')
.text("展开/折叠")
.on("click", function() {
$(this.nextElementSibling).fadeToggle("fast");
});
const codeTitle = $(document.createElement('span')).css('font-weight', 'bold');
//remove block and handle code head
for (let i = 0; i < code.length; i++) {
code[i].innerHTML = code[i].innerHTML.replace(/<br>\n/g, "<br>");
tryMakeCollapseCode(code[i]);
tryAddLocalFontStyle(code[i]);
}
//add user-defined font style
if (userfontfamily || userfontsize) {
let style = document.createElement('style'); style.type = "text/css";
style.innerHTML = ".codeHighlight>pre {"
+ (userfontfamily? "font-family:"+userfontfamily+","+defaultfontfamily+";": "")
+ (userfontsize? "font-size:"+userfontsize+"px;": "")
+ "}";
document.head.appendChild(style);
}
//utility functions
function tryMakeCollapseCode(codeblock) {
let head = codeblock.innerHTML.split("<br>", 1)[0];
if (!validCollapseCode(head))
return;
let title = parseTitle(head) || "折叠区域";
$(codeblock).before(codeTitle.clone().text(title), collapseBtn.clone(true));
//注意处理没有<br>的代码块: [code]===[/code]
let i = codeblock.innerHTML.indexOf("<br>");
if (i != -1)
codeblock.innerHTML = codeblock.innerHTML.slice(i+4);
if (head.startsWith('=')) //Note: code validity has been confirmed
$(codeblock).hide();
}
function tryAddLocalFontStyle(codeblock) {
let head = codeblock.innerHTML.split("<br>", 1)[0];
let style = parseLocalFontStyle(head);
if (style) $(codeblock).css(style);
}
function parseTitle(line) {
if (line.startsWith('===') && line.endsWith('==='))
return line.replace(/^=+$/, "").replace(/^=+\s*(.*?)\s*=+$/, "$1");
if (line.startsWith('!===') && line.endsWith('===!'))
return line.replace(/^!=+!$/, "").replace(/^!=+\s*(.*?)\s*=+!$/, "$1");
}
function parseLocalFontStyle(line) {
if (!line.startsWith("font") && !line.startsWith("line-height"))
return null;
let testEl = document.createElement('span');
testEl.setAttribute('style', line);
let fontStyles = {};
for (let k of keywords) {
let style = testEl.style[k];
if (style) fontStyles[k] = style;
}
if ('font-family' in fontStyles)
fontStyles['font-family'] += ","+ (userfontfamily? userfontfamily+",": "")+defaultfontfamily;
return fontStyles;
}
}
if (location.pathname=="/settings") {
let $settings = $(document.createElement('div')).attr('id', 'code-block-settings');
let input = document.createElement('input'); input.type = "text"; input.maxLength = 100;
let $fontFamily = $(input).clone().val(userfontfamily).css('width', '120px');
let $fontSize = $(input).clone().val(userfontsize).css('width', '20px');
$settings.append($(document.createElement('h2')).addClass('subtitle').text("Code块自定义"))
.append( $(document.createElement('div')).append(
$(document.createElement('span')).text('font-family:'), $fontFamily) )
.append( $(document.createElement('div')).append(
$(document.createElement('span')).text('font-size:'), $fontSize, $(document.createElement('span')).text('px'),
$(document.createElement('a')).addClass("code-block-settings-save chiiBtn").text("保存").on("click", saveSettings),
$(document.createElement('span')).hide()) );
$('#columnB').append($settings);
function saveSettings() {
fontSettings.fontfamily = $fontFamily.val();
fontSettings.fontsize = $fontSize.val();
localStorage['bgmcodeblockfont'] = JSON.stringify(fontSettings);
$(".code-block-settings-save+span").fadeIn("fast").fadeTo(300, 1).fadeOut("slow");
}
}
}) ();