SCUD BBCodes

scud-bbcodes.user.js

// ==UserScript==
// @name SCUD BBCodes
// @version 0.1.2
// @author KorDen
// @grant none
// @include *//steamcommunity.com/discussions/forum/*
// @include *//steamcommunity.com/groups/*/discussions*
// @include *//steamcommunity.com/app/*discussions*
// @include *//steamcommunity.com/app/*/tradingforum*
// @include *//steamcommunity.com/workshop/discussions/*
// @include *//steamcommunity.com/*/filedetails/discussion*
// ==/UserScript==

// Based on code from http://nickolay.info/jscript/js_editor.html

contentEval( bbcode = new Array() );

( function() {
	bbtags = new Array(
	'[b]','[/b]',
	'[i]','[/i]',
	'[u]','[/u]',
	'[strike]','[/strike]',
	'[spoiler]','[/spoiler]',
	'[url=]','[/url]',
	'[h1]','[/h1]',
	'[noparse]','[/noparse]',
	'[quote]','[/quote]',
	'[code]','[/code]',
	'[list]','[/list]',
	'[olist]','[/olist]',
	'[*]','',//26
	'[table]','[/table]',
	'[tr]','[/tr]',
	'[td]','[/td]',
	'[th]','[/th]');
	var bbcodes;
	var tId;
	$J('.forumtopic_reply_textarea, .commentthread_textarea').each(function () {
		tId = $J(this).attr('id');
		bbcodes = '';
		for (i=0; i < bbtags.length; i+=2) {
			var tagname = bbtags[i].substring (1, bbtags[i].indexOf(']'));
			bbcodes += '<a class="btn_darkblue_white_innerfade" style="margin:2px;padding:0 5px;line-height: 20px;" href="javascript:bbstyle(' + i + ', \'' + tId + '\')">' + tagname + '</a>';
			if(i == 14)
				bbcodes+='<br>';
			else if(i == 18 || i == 24)
				bbcodes+='&nbsp;&nbsp;';
		}
		$J(this).before('<div class="bb_bar" style="margin:4px 0px 8px;">' + bbcodes + '</div>');
	});
})();

contentEval ( function bbstyle(bbnumber, tId) {
	bbtags = new Array(
	'[b]','[/b]',
	'[i]','[/i]',
	'[u]','[/u]',
	'[strike]','[/strike]',
	'[spoiler]','[/spoiler]',
	'[url=]','[/url]',
	'[h1]','[/h1]',
	'[noparse]','[/noparse]',
	'[quote]','[/quote]',
	'[code]','[/code]',
	'[list]','[/list]',
	'[olist]','[/olist]',
	'[*]','',//26
	'[table]','[/table]',
	'[tr]','[/tr]',
	'[td]','[/td]',
	'[th]','[/th]');
	
	var txtarea = $J('#' + tId)[0];
	txtarea.focus();
	
	if (bbnumber == -1) { //Close all tags
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			txtarea.value += bbtags[butnumber + 1];
		}
		txtarea.focus();
		return;
	}
	if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0)) {
		//Get selection
		mWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
		return;
	}
	donotinsert = false;
	bblast = 0;
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1 && !not_closed_tags(bbnumber)) { 
			bblast = i;
			donotinsert = true;
		}
	}
	if (donotinsert) {
		while (bbcode[bblast]) {
			butnumber = arraypop(bbcode) - 1;
			if (!not_closed_tags(butnumber))
				bbplace(bbtags[butnumber + 1], txtarea);
		}
		txtarea.focus();
		return;
	} 
	else { //Open tag
		bbplace(bbtags[bbnumber], txtarea);
		arraypush(bbcode,bbnumber+1);
		txtarea.focus();
		return;
	}
	////////////////////////////
	function bbplace(text, txtarea) {
		var scrollTop = (typeof(txtarea.scrollTop) == 'number' ? txtarea.scrollTop : -1);
		if (txtarea.createTextRange && txtarea.caretPos) {
			var caretPos = txtarea.caretPos;
			caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
			txtarea.focus();
		} 
		else if (txtarea.selectionStart || txtarea.selectionStart == '0') {
			var startPos = txtarea.selectionStart;
			var endPos = txtarea.selectionEnd;
			txtarea.value = txtarea.value.substring(0, startPos) + text + txtarea.value.substring(endPos, txtarea.value.length);
			txtarea.focus();
			txtarea.selectionStart = startPos + text.length;
			txtarea.selectionEnd = startPos + text.length;
		}
		else {
			txtarea.value  += text;
			txtarea.focus();
		}
		if (scrollTop >= 0 )
			txtarea.scrollTop = scrollTop;
	}
	
	function mWrap(txtarea, open, close) {
		if (txtarea.selectionEnd > txtarea.value.length)
			txtarea.selectionEnd = txtarea.value.length;
		
		var oldPos = txtarea.scrollTop;
		var oldHght = txtarea.scrollHeight;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd+open.length;
		
		txtarea.value = txtarea.value.slice(0,selStart)+open+txtarea.value.slice(selStart); 
		txtarea.value = txtarea.value.slice(0,selEnd)+close+txtarea.value.slice(selEnd);
		txtarea.selectionStart = selStart+open.length;
		txtarea.selectionEnd = selEnd;
		var newHght = txtarea.scrollHeight - oldHght;
		txtarea.scrollTop += newHght;
		txtarea.focus();
	}
	
	function not_closed_tags(n) {
		return (n==24 || n==54);
	}

	function getarraysize(thearray) {
		for (i = 0; i < thearray.length; i++) {
			if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
				return i;
		}
		return thearray.length;
	}

	function arraypush(thearray ,value) {
		thearray[ getarraysize(thearray) ] = value;
	}

	function arraypop(thearray) {
		asize = getarraysize(thearray) - 1;
		retval = thearray[asize];
		delete thearray[asize];
		return retval;
	}
} );

function contentEval(source) {
	var script = document.createElement('script');
	script.setAttribute("type", "application/javascript");
	script.textContent = source;
	document.body.appendChild(script);
}