NGA 折叠内容展开后可再次收起
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// ==UserScript==
// @name NGA Re-collapse Button
// @namespace none
// @version 0.0.1.20170401
// @icon http://bbs.nga.cn/favicon.ico
// @description NGA 折叠内容展开后可再次收起
// @author AgLandy
// @include /^https?://(bbs\.ngacn\.cc|nga\.178\.com|bbs\.nga\.cn)/.+/
// @grant none
// @require http://cdn.bootcss.com/jquery/3.2.1/jquery.min.js
// ==/UserScript==
var $Q = jQuery.noConflict();
(function(){
var c = $Q('.collapse_btn');
for(i = 0; c.length > i; i++){
var t = $Q(c[i]).children('button').attr('onclick');
$Q(c[i]).children('button').attr('onclick', t.replace(t.substr(0, t.search(/,/)), 'cBtnClick(event'));
$Q(c[i]).children('button').css({width:'18px', padding:'0', 'text-decoration':'none', outline:'none'});
$Q(c[i]).html($Q(c[i]).html().replace(/点击显示隐藏的内容/, '点击显示折叠的内容').replace(/<\/button>/, '</button><div style="display:inline">') + '</div><div style="display:inline"></div>');
}
var sc = "\
function cBtnClick(e, c, n){\
var b = e.target;\
if(b.parentNode.nextSibling.innerHTML == ''){\
ubbcode.collapse.load(b.parentNode.nextSibling, c, n);\
b.innerHTML = '-';\
b.nextSibling.style.display = 'none';\
b.nextSibling.nextSibling.innerHTML = ' 点击收起折叠的内容 ...';\
return;\
}\
if(b.innerHTML == '+'){\
b.innerHTML = '-';\
b.nextSibling.style.display = 'none';\
b.parentNode.nextSibling.setAttribute('style', 'display:block');\
b.nextSibling.nextSibling.style.display = 'inline';\
}\
else{\
b.innerHTML = '+';\
b.nextSibling.style.display = 'inline';\
b.parentNode.nextSibling.setAttribute('style', 'display:none');\
b.nextSibling.nextSibling.style.display = 'none';\
}\
}";
$Q('head').append($Q('<script type="text/javascript" />').html(sc));
})();