// bbCode control by
// subBlue design
// www.subBlue.com

// Startup variables
var imageTag = false;
var videoTag = false;
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;

var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

// Helpline messages
b_help = "Жирный текст: [b]текст[/b]  (alt+b)";
i_help = "Наклонный текст: [i]текст[/i]  (alt+i)";
u_help = "Подчёркнутый текст: [u]текст[/u]  (alt+u)";
q_help = "Цитата: [quote]текст[/quote]  (alt+q)";
c_help = "Код (программа): [code]код[/code]  (alt+c)";
l_help = "Список: [list]текст[/list] (alt+l)";
o_help = "Нумерованный список: [list=]текст[/list]  (alt+o)";
p_help = "Вставить картинку: [img]http://image_url[/img]  (alt+p)";
w_help = "Вставить ссылку: [url]http://url[/url] или [url=http://url]текст ссылки[/url]  (alt+w)";
a_help = "Закрыть все открытые теги bbCode";
s_help = "Цвет шрифта: [color=red]текст[/color]  Подсказка: можно использовать color=#FF0000";
f_help = "Размер шрифта: [size=x-small]маленький текст[/size]";
qs_help = "Процитировать выделенный текст";
cn_help = "Центрировать выделенный текст";
t_help = "Транслит (alt+t) - выделите и нажмите";
v_help = "Видео: [video]http://url[/video]";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]','[center]','[/center]', '[video]', '[/video]');
imageTag = false;
videoTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
	document.post.helpbox.value = eval(help + "_help");
}

function helpclear(){
    document.post.helpbox.value ="Подсказка: Можно быстро применить стили к выделенному тексту";
}

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

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
	thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
	thearraysize = getarraysize(thearray);
	retval = thearray[thearraysize - 1];
	delete thearray[thearraysize - 1];
	return retval;
}


function checkForm() {

	formErrors = false;

	if (document.post.body.value.length < 2) {
		formErrors = "Вы должны ввести текст сообщения";
	}

	if (formErrors) {
		alert(formErrors);
		return false;
	} else {
		bbstyle(-1);
		//formObj.preview.disabled = true;
		//formObj.submit.disabled = true;
		return true;
	}
}

function emoticon(text) {
	var txtarea = document.post.body;
	text = ' ' + text + ' ';
	if (txtarea.createTextRange && txtarea.caretPos) {
		var caretPos = txtarea.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
		txtarea.focus();
	} else {
		txtarea.value  += text;
		txtarea.focus();
	}
}

function bbfontstyle(bbopen, bbclose) {
	var txtarea = document.post.body;

	if ((clientVer >= 4) && is_ie && is_win) {
		theSelection = document.selection.createRange().text;
		if (!theSelection) {
			txtarea.value += bbopen + bbclose;
			txtarea.focus();
			return;
		}
		document.selection.createRange().text = bbopen + theSelection + bbclose;
		txtarea.focus();
		return;
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbopen, bbclose);
		return;
	}
	else
	{
		txtarea.value += bbopen + bbclose;
		txtarea.focus();
	}
	storeCaret(txtarea);
}


function bbstyle(bbnumber) {
	var txtarea = document.post.body;

	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if (bbnumber == -1) { // Close all open tags & default button names
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			txtarea.value += bbtags[butnumber + 1];
			buttext = eval('document.post.addbbcode' + butnumber + '.value');
			eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
		}
		imageTag = false; // All tags are closed including image tags :D
		videoTag = false;
		txtarea.focus();
		return;
	}

	if ((clientVer >= 4) && is_ie && is_win)
	{
		theSelection = document.selection.createRange().text; // Get text selection
		if (theSelection) {
			// Add tags around selection
			document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
			txtarea.focus();
			theSelection = '';
			return;
		}
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
		return;
	}

	// Find last occurance of an open tag the same as the one just clicked
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1) {
			bblast = i;
			donotinsert = true;
		}
	}

	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names
		while (bbcode[bblast]) {
				butnumber = arraypop(bbcode) - 1;
				txtarea.value += bbtags[butnumber + 1];
				buttext = eval('document.post.addbbcode' + butnumber + '.value');
				eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
				imageTag = false;
				videoTag = false;
			}
			txtarea.focus();
			return;
	} else { // Open tags

		if (imageTag && (bbnumber != 14)) {		// Close image tag before adding another
			txtarea.value += bbtags[15];
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.post.addbbcode14.value = "Img";	// Return button back to normal state
			imageTag = false;
		}
		
		if (videoTag && (bbnumber != 20)) {		// Close image tag before adding another
			txtarea.value += bbtags[21];
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.post.addbbcode20.value = "Video";	// Return button back to normal state
			VideoTag = false;
		}

		// Open tag
		txtarea.value += bbtags[bbnumber];
		if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
		if ((bbnumber == 20) && (videoTag == false)) videoTag = 1; // Check to stop additional tags after an unclosed image tag
		arraypush(bbcode,bbnumber+1);
		eval('document.post.addbbcode'+bbnumber+'.value += "*"');
		txtarea.focus();
		return;
	}
	storeCaret(txtarea);
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	if (selEnd == 1 || selEnd == 2)
		selEnd = selLength;

	var s1 = (txtarea.value).substring(0,selStart);
	var s2 = (txtarea.value).substring(selStart, selEnd)
	var s3 = (txtarea.value).substring(selEnd, selLength);
	txtarea.value = s1 + open + s2 + close + s3;
	return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
	if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

var selection = false; // Selection data


l_empty_message = "Вы должны ввести текст сообщения";
l_no_text_selected = "Выделите текст на странице и попробуйте еще раз";




// Catching selection
function catchSelection()
{
	if (window.getSelection)
	{
		selection = window.getSelection().toString();
	}
	else if (document.getSelection)
	{
		selection = document.getSelection();
	}
	else if (document.selection)
	{
		selection = document.selection.createRange().text;
	}
}


// Putting selection to the post box
function quoteSelection()
{
	if (selection)
	{
		emoticon_wospaces('[quote=]' + selection + '[/quote]\n');
		selection = '';
		document.post.message.focus();
		return;
	}
	else
	{
		alert(l_no_text_selected);
		return;
	}
}

function emoticon_wospaces(text) {
	var txtarea = document.post.message;
	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 {
		txtarea.value  += text;
		txtarea.focus();
	}
}
        
//
// Функции перевода транслита в нормальный русский язык добавлена 01/01/2002 Андреем Мазлиным
//
var lat = new Array("je","jo","ayu","ay","aj","oju","oje","oja","oj","uj","yi","ya","ja","ju","yu","ja","juju","aja","y","zh","i'","shch","sch","ch","sh","ea","a","b","v","w","g","d","e","z","i","k","l","m","n","o","p","r","s","t","u","f","x","c","ea","'e","'","`","j","h");
var cyr = new Array("э","ё","aю","ай","ай","ою","ое","оя","ой","уй","ый","я","я","ю","ю","я","юю","ая","ы","ж","й","щ","щ","ч","ш","э","а","б","в","в","г","д","е","з","и","к","л","м","н","о","п","р","с","т","у","ф","х","ц","э","э","ь","ъ","й","х");

var latcap = new Array("Yo","Jo","Ey","Je","Ay","Oy","Oj","Uy","Uj","Ya","Ja","Ju","Yu","Ja","Y","Zh","I'","Sch","Ch","Sh","Ea","Tz","A","B","V","W","G","D","E","Z","I","K","L","M","N","O","P","R","S","T","U","F","X","C","EA","J","H");
var cyrcap = new Array("Ё","Ё","Ей","Э","Ай","Ой","Ой","Уй","Уй","Я","Я","Ю","Ю","Я","Ы","Ж","Й","Щ","Ч","Ш","Э","Ц","А","Б","В","В","Г","Д","Е","З","И","К","Л","М","Н","О","П","Р","С","Т","У","Ф","Х","Ц","Э","Й","Х");

function translit()
{
	var buf = new String;
	var selection = false;
	var txtarea = document.post.body;
	var regexp;
	var i;
	
	if (document.selection)
	{
		selection = document.selection.createRange().text;
	}
	
	if (selection)
	{
		buf = selection;
	}
	else
	{
		buf = txtarea.value;
	}
	
	for (i = 0; i < latcap.length; i++)
	{
		eval('regexp = /'+latcap[i]+'/g');
		buf = buf.replace(regexp, cyrcap[i]);
	}
	
	for (i = 0; i < lat.length; i++)
	{
		eval('regexp = /'+lat[i]+'/g');
		buf = buf.replace(regexp, cyr[i]);
	}

	if (selection)
	{
		eval('regexp = /'+selection+'/');
		txtarea.value = txtarea.value.replace(regexp, buf);
	}
	else
	{
		txtarea.value = buf;
	}
	
	selection = '';
	
	txtarea.focus();

	return;
}