LORCode Tools с кнопками под tango

// ==UserScript==
// @name LORCode Tools
// @description Кнопка цитирования выделенного и панель тегов для LORCode
// @author Алексей Соловьев aka moscwich
// @author Емельянов Эдуард aka Eddy_Em -- Fork && upgrade
// @license Creative Commons Attribution 3.0 Unported
// @version 0.21.4
// @grant       none
// @namespace http://www.linux.org.ru/*
// @namespace https://www.linux.org.ru/*
// @include http://www.linux.org.ru/*
// @include https://www.linux.org.ru/*
// ==/UserScript==

// Based on MultiCodePanel 2.2 (v. 0.22)
// http://al-moscwich.tk/tag/multicodepanel

function noDef(evt){ // remove default event action
	evt.stopPropagation();
	evt.preventDefault();
}

function removeElements () {
	for (i = arguments.length-1; i > -1; i--) {
		var p = arguments[i].parentNode;
		if (p) p.removeChild (arguments[i]);
	}
}

function set (p, z) {
	for (i = 0; i < arguments.length && (arguments[i] === undefined); i++) {}
	return arguments[i];
}

i = j = undefined;
a = b = undefined;

form = document.getElementById ("commentForm") || document.getElementById ("messageForm") || document.getElementById ("changeForm").getElementsByTagName ("label")[7];
msg = document.getElementById ("msg") || document.getElementById ("form_msg") || document.getElementById ("info");
var u = window.location.href;

// Panel
var panel = document.createElement ("div");
panel.id = 'atag';
panel.createBlock =
	function () {
		block = document.createElement ("span");
		for (i = 0; i < arguments.length; i++) {
			link = document.createElement ("a");
			link.textContent = arguments[i][0];
			link.title = arguments[i][1];
			link.exec = arguments[i][2];
			link.onclick = function(e){
				noDef(e)
				eval(this.exec);
				return false;
			}
			block.appendChild (link);
		}
		return this.appendChild (block);
	}
panel.createBlock (
	["[b]", "Полужирный", 'intag ("b");'],
	["[i]", "Курсив", 'intag ("i");'],
	["[s]", "Зачеркнутый", 'intag ("s");'],
	["[u]", "Подчеркнутый", 'intag ("u");']
);
panel.createBlock (
	["[quote]", "Цитата", 'intag ("quote", "\\n");'],
	["

", "Код", 'intag ("code", "\\n");'],
	["", "Внутристрочный код", 'intag ("inline");']
);
panel.createBlock (
	["[url]", "URL", 'url ();'],
	["[user]", "Участник", 'intag ("user");']
);
panel.createBlock (
	["[list]", "Список", 'lst();'],
	["[*]", "Элемент списка", 'wrtSel ("[*]", "");']
);
panel.createBlock (
	["«»", "Кавычки", 'wrtSel ("«", "»");'],
	["„“", "Кавычки", 'wrtSel ("„", "“");'],
	["[br]", "Перевод строки", 'wrtSel ("[br]", "");']
);
panel.createBlock (
	[" fix ", "Превратить знаки и обозначения в соответствующие спец. символы", 'fix();'],
	[" deltags-in ", "Удалить крайнее входящие обрамление тегами", 'deltagsin ();'],
	[" brs ", "Добавить [br] к переводам строк", 'brs ();']
);
msg.parentNode.insertBefore (panel, msg);
msg.cols = 100;
msg.rows = 20;
// Styles
obj = document.createElement ("style");
obj.innerHTML = '\
        #atag a {\
        margin:1px;cursor: pointer;\
        -o-transform-origin: 14px 17px; background-color: rgb(39, 44, 45);\
        border-bottom-color: rgb(114, 159, 207); border-bottom-left-radius: 5px;\
        border-bottom-right-radius: 5px; border-bottom-style: solid;\
        border-bottom-width: 1px; border-left-color: rgb(114, 159, 207);\
        border-left-style: solid; border-left-width: 1px;\
        border-right-color: rgb(114, 159, 207); border-right-style: solid;\
        border-right-width: 1px; border-top-color: rgb(114, 159, 207);\
        border-top-left-radius: 5px; border-top-right-radius: 5px;\
        border-top-style: solid; border-top-width: 1px;\
        color: rgb(114, 159, 207);\
        font-family: "Trebuchet MS";\
        font-size: 14px; height: 22px; line-height: 22.4px; margin-bottom: 5px; margin-top: 5px; max-height: none;\
        max-width: none; padding-bottom: 5px; padding-left: 4px; padding-right: 4px; padding-top: 5px; text-align: center;\
        text-decoration: none;\
        width: 16px;\
    }\
	#atag a:hover {background-color:rgb(84, 84, 84); border-color:rgb(186, 189, 182);}\
    #atag {\
    margin-top: 5px; margin-bottom: 5px;\
    padding: 3px 1px; font-size: 0.9em;\
    }\
    #atag > span {margin-right: 4px;}\
	label[for="msg"] {display: inline-block; margin-top: 5px;}\
	#msg {width: 50em !important;}\
	label[for="title"], label[for="form_mode"] {display: inline-block; margin: 5px 0 3px 0;\
	.msg_body p {margin: 0.3em 0 !important;}\
	.quote > p {margin: 0.5em 0 0.3em 0 !important;}';
document.getElementsByTagName ("head")[0].appendChild (obj);
// Remove formating tips
// COMMENTED (I don't know why, but it breaks whole script)
/*if (u.indexOf ("add.jsp") <= -1 &&
		u.indexOf ("edit.jsp") <= -1 &&
		u.indexOf ("register.jsp") <= -1)
	removeElements (form.getElementsByTagName ('font')[0],
		(i = form.getElementsByTagName ('br'))[5],
		i[6]
	);*/
// Add quote links
function cre_links(o, L){
	var S = document.createElement("span");
	console.log("LEN: " + L.length + " obj: " + o);
	var Ll = L.length;
	for (j = 0; j < Ll; j++){
		qlink = document.createElement ("a");
		qlink.textContent = L[j][0];
		d = document.createElement("span");
		if(L[j][0] == "#"){
			qlink.href = getMsgURL(o);
		}else{
			qlink.href = "#";
		}
		d.onclick = L[j][1];
		d.innerHTML = "[" + qlink.outerHTML + "] ";
		S.appendChild(d)
	}
	if(o.firstElementChild && o.firstElementChild.nodeName != "IMG"){
		clink = o.firstChild;
		o.insertBefore(S, clink);
	}else
		o.appendChild(S);
}
var t = document.getElementsByClassName("title");
t.createQlink = function(){
	for (i = 0; i < this.length; i++){
		if(this[i].parentNode.nodeName != "ARTICLE") continue;
		var A = Array.prototype.slice.call(arguments)
		cre_links(this[i], A);
	}
}
// Add \n to <br>
var mbs = document.getElementsByClassName("msg_body");
for (j in mbs) if (!isNaN (j)) {
	var mps = mbs[j].getElementsByTagName ("p");
	for (i in mps)
		if (!isNaN (i))
			mps[i].innerHTML = mps[i].innerHTML.replace (/<br\/?>(?![\n\r])/g, "<br>\n");
}
/*		Main		*/
//	Auxiliary functions
function wrtSel(subj, offset, before, after, zset){ //Also msg.wrtSel (before, after, offset)
	if(typeof offset == "string")
		var
			after = offset, offset = before,
			before = subj, subj = undefined;
	var
		before = before || "", after = after || "",
		offset = set (offset, before.length), zset = zset || 0;
	var
		startSel = set (a, msg.selectionStart), endSel = set (b, msg.selectionEnd),
		subj = before + set (subj, msg.value.substring (startSel, endSel)) + after;
	msg.value = msg.value.substring (0, startSel) + subj + msg.value.substring (endSel);
	msg.selectionStart = msg.selectionEnd = startSel+offset;
	msg.focus();
	a = b = undefined;
}
function lst(){
	a = msg.selectionStart; b = msg.selectionEnd;
	z = msg.value.substring(a, b).replace(/([^\n\r]+)[\n\r]*/g, "[*]$1\n");
	z = z.replace(/^[\s\r\n]+/g, '').replace(/^$/g,'');
	if(z.length == 0) z = "[*]\n";
	wrtSel(z, 6, "\n[list]\n", "[/list]\n");
}
function addbr (c) {
	return c.replace (/^((?:(?!\[\/?(?:quote|code|list|br)(?:=.*)?\]$)[^\n\r])+)(\r?\n)(?!\n|\[\/?(?:br|quote(?:=.*)?|code(?:=.*)?)\])/gm, "$1[br]$2");
}
function getTextContent (post) {
	var text = "";
	var pTags = post.getElementsByClassName ("msg_body")[0].getElementsByTagName ("p");
	for (i = 0; i < pTags.length; i++)
		if (pTags[i].parentNode.className.indexOf ('msg_body') > -1) {
			text += pTags[i].textContent;
			if (i != pTags.length - 1) text += "\n\n";
		}
	return text;
}
function getUserName(evt){
	var post = getMsg(evt.target);
	if (i = post.getElementsByClassName("sign")[0].getElementsByTagName("a")[0])
		return i.innerHTML;
	else return "anonymous";
}
// Functions to run
function intag (tag, arg) {
	var arg = arg || "";
	wrtSel(
		undefined,
		tag.length + 2 + arg.length*2,
		arg + "[" + tag + "]" + arg,
		arg + "[/" + tag + "]" + arg
	);
}
// reparce quotations if checked in glob settings
function reparce(text){
	var bef = text.split("
");
	bef[0] = bef[0].replace(/"/g, "&#34;");
	var N = bef.length;
	for(var m = 1; m < N; m++){
		var aft = bef[m].split("
");
		aft[1] = aft[1].replace(/«/g, »"");
		bef[m] = aft.join("

");
	return text;
}

function fix () {
	var a = msg.selectionStart, b = msg.selectionEnd;
	var repc = function (c) {
		c = c.replace (/\(c\)/gi, "©");	c = c.replace (/\([rр]\)/gi, "®");
		c = c.replace (/\(f\)/gi, "£");	c = c.replace (/\(e\)/gi, "€");
		c = c.replace (/%\/10/g, "‰");	c = c.replace (/%\/100/g, "‱");
		c = c.replace (/\(V\)/g, "✓");	c = c.replace (/\(V\+\)/g, "✔");
		c = c.replace (/\(x\)/g, "✗");	c = c.replace (/\(x\+\)/g, "✘");
		c = c.replace (/`/g, "́");	c = c.replace (/\(p\)/gi, "§");
		c = c.replace (/(^| )- /g, "$1— ");	c = c.replace (/\.\.\./g, "…");
		c = c.replace (/\(\*\+?\)/g, "★");	c = c.replace (/\(\*-\)/g, "☆");
		c = c.replace (/\([tт][mм]\)/gi, "™");
		c = c.replace (/-->/g, "→");
		return c;
	}

	if (a != b) {
		var c = msg.value.substring (a, b);
		var z = repc (c);
		wrtSel(z, 0, "", "", z.length - c.length);
	}
	else
		msg.value = repc (msg.value);
}

function url(U){
	var U = U || "";
	a = msg.selectionStart; b = msg.selectionEnd;
	z = msg.value.substring (a, b);
	if(U != ""){
		wrtSel (z, 6+U.length,
			"[url=" + U + "]", "[/url]",
			-z.length
		);
	}
	else if (/((ftp|http|https):\/\/)[\.\w- ]{2,}\.[A-Za-z]{2,4}(\/?$|\/.*)/.test(z) || z.length == 0) {
		wrtSel (z, z.length+6,
			"[url=", "][/url]"
		);
	}
	else if (/[\.\w- ]{2,}\.[A-Za-z]{2,4}(\/?$|\/.*)/.test(z)) {
		wrtSel (
			"http://"+z, z.length+13,
			"[url=", "][/url]", 7
		);
	}
	else {
		wrtSel (z, 5,
			"[url=]", "[/url]",
			-z.length
		);
	}
}

function deltagsin () {
	z = msg.value.substring (a = msg.selectionStart, b = msg.selectionEnd);
	c = z.replace (/\[\w+\](.*)\[\/\w+\]/, "$1");
	wrtSel (c, 0, "", "", - z.length + c.length);
}

function brs () {
	var a = msg.selectionStart, b = msg.selectionEnd;
	if (a != b) {
		var c = msg.value.substring (a, b);
		var z = addbr (c);
		wrtSel (z, 0, "", "", z.length - c.length);
	}
	else {
		msg.value = addbr (msg.value);
	}
}

function substTags(chN){
	if(!chN) return;
	var LORtagz = [ "b", "i","s","u","url","code","list","br","*","em","strong",
				"pre", "quote"];
	var txt = "", incode = false, latex = false;
	var Tpre="", Tpost="";
	if(chN.className == "sign" || chN.className == "reply") return "";
	if(chN.nodeName == "B"){Tpre="[b]"; Tpost="[/b]";}
	else if(chN.nodeName == "I"){Tpre="[i]"; Tpost="[/i]";}
	else if(chN.nodeName == "S"){Tpre="[s]"; Tpost="[/s]";}
	else if(chN.nodeName == "U"){Tpre="[u]"; Tpost="[/u]";}
	else if(chN.nodeName == "A"){Tpre="[url="+chN.href+"]"; Tpost="[/url]";}
	else if(chN.nodeName == "CODE"){Tpre="\n[code"+(chN.className ? "="+chN.className:"")+"]\n"; Tpost="