Transliterator is an abstract class that transliterates text from one format to another. Russian to Latin transliterator changes Russian text written in Cyrillic characters to phonetically equivalent Latin characters.

Only useful for Russian speaking community!

Open sites/default/assets/js/editor.js

Add on top right after:

//avoid alt+e and alt+f key combinations

This:

var CapsState = false;

function copy() {
  let textarea = document.getElementById("textarea");
  textarea.select();
  document.execCommand("copy");
}

function initArray() 
{
    this.length = initArray.arguments.length
    for (var i = 0; i < this.length; i++)   
        this[i+1] = initArray.arguments[i]
}

eng_letters = new initArray(1040,1041,1062,1044,1045,1060,1043,1061,1048,1049,1050,1051,1052,1053,1054,1055,1071,1056,1057,1058,1059,1042,1065,1061,1067,1047,91,92,93,94,95,96,1072,1073,1094,1076,1077,1092,1075,1093,1080,1081,1082,1083,1084,1085,1086,1087,1103,1088,1089,1090,1091,1074,1097,120,1099,1079);
second_order = new initArray(72,79,69,85,65,72,77,79,85,65,72,104,111,101,117,97,104,109,111,117,97,104);
first_order  = new initArray(1062,1049,1049,1049,1049,1057,1065,1067,1067,1067,1047,1094,1081,1081,1081,1081,1089,1097,1099,1099,1099,1079);
two_result = new initArray(1063,1025,1069,1070,1071,1064,1068,1025,1070,1071,1046,1095,1105,1101,1102,1103,1096,1100,1105,1102,1103,1078);

var nexto = 1;
var language = (navigator.appName=='Netscape');

function getlanguagename()
{
    if (language==1) return "Eng";
    if (language==0) return "Rus";
}

function changelanguage()
{
if (language==1) {language=0; document.translitform.rus_eng.value="Rus"; document.translitform.input_text.focus();return 0}
if (language==0) {language=1; document.translitform.rus_eng.value="Eng"; document.translitform.input_text.focus();return 0}
}

function translate_letter()
{
    if(navigator.appName=='Netscape')
    {
        if (language==0) 
        {
            changelanguage();
            alert("The language is swithched to English. Please complete the text and press 'TRANSLITERATE ALL' button");
        }
        return true;
    }
        if (language==1) {return true;}
    var txt = document.translitform.input_text.value;
    l1 = txt.substr(txt.length - 1,1);
    var code = l1.charCodeAt(0); 
    l2 = txt.substr(txt.length-2,1);
    var code2 = l2.charCodeAt(0);
    if ((code==39)||(code==35))
    //' and '' and # and ## treatment
    {
        if (code==39) 
        {
            var newcode =1100;
            var doublecode =1068;
        }
        if (code==35) 
        {
            var newcode =1098;
            var doublecode =1066;
        }

        var res = String.fromCharCode(newcode);        
        txt = txt.substr(0, txt.length-1);
        if (code2==newcode) 
        { 
            res = String.fromCharCode(doublecode);
            txt = txt.substr(0, txt.length-1);
        }

        document.translitform.input_text.value = txt + res;
                document.translitform.input_text.focus();
    }

    if ((code<123) && (code>64)) 
    {
        var res = String.fromCharCode(eng_letters[code-64]);
        var rus_code = eng_letters[code-64];
        txt = txt.substr(0, txt.length-1);
        if (nexto==0)
        { 
            nexto = 1;
            for (i = 1; i<25; i++)
            {
                if (rus_code == first_order[i]) nexto = 0; 
                if ((code==second_order[i])&&(code2==first_order[i])) 
                { 
                    res = String.fromCharCode(two_result[i]);
                    txt = txt.substr(0, txt.length-1);
                    break;
                }
            }
        }
        else nexto = 0;

                document.translitform.input_text.focus();
        document.translitform.input_text.value = txt + res;

    }
}


function translatesymbol(pretxt,txt)
{
    var res = pretxt+txt;
    var code = txt.charCodeAt(0); 
    var code2 = pretxt.charCodeAt(0);

    if ((code==39)||(code==35))
    //' and '' and # and ## treatment
    {
        if (code==39) 
        {
            var newcode =1100;
            var doublecode =1068;
        }
        if (code==35) 
        {
            var newcode =1098;
            var doublecode =1066;
        }

        res = pretxt+String.fromCharCode(newcode);        

        if (code2==newcode) 
        { 
            res = String.fromCharCode(doublecode);
        }
    }

    if ((code<123) && (code>64)) 
    {
        res = pretxt+String.fromCharCode(eng_letters[code-64]);
        for (i = 1; i<25; i++)
        { 
            if ((code==second_order[i])&&(code2==first_order[i])) 
            { 
                res = String.fromCharCode(two_result[i]);
                break;
            }
        }
    }
    return res;
}

function translateAll()
{
    var txt = document.translitform.input_text.value;
    var txtnew = translatesymbol("",txt.substr(0,1));
    var symb = "";
    for (kk=1;kk<txt.length;kk++)
    {
        symb = translatesymbol(txtnew.substr(txtnew.length-1,1),txt.substr(kk,1));
        txtnew = txtnew.substr(0,txtnew.length-1) + symb;
    }
    document.translitform.input_text.value = txtnew;
    document.translitform.input_text.focus();
}

     function onClickKBButtonEx(btn)
     {
    if (btn == 'Caps')
        CapsState = !(CapsState)
        else
    { 
        var txt = document.translitform.input_text.value;
        if (btn == 'BkSp')
        {
            txt = txt.substr(0, txt.length - 1);
        }
        else
        {
            txt = txt + btn;
        }
        document.translitform.input_text.value = txt;
    }
        document.translitform.input_text.focus();
     }
     function onClickKBButton(btn)
     {
    var code = btn.charCodeAt(0);
    if (CapsState == false)
    {
        if (code == 168) 
                   code = 184;
        else if (code == 1025)
           code = 1105;
        else
                   code = code + 32;
    }
    btn = String.fromCharCode(code);
    onClickKBButtonEx(btn);
     }

Find:

],
    previewInElement: jQuery('#codo_new_reply_preview'),

Add Before:

{name: 'Translit', className: "translit", replaceWith: translateAll},

(That is if you are using my colors and headers bbcode change)
Save and close.

open sites/default/themes/default/less/editor.less

Find:

.markItUp .preview a {
    background-image:url(../img/preview.png);
}

Add before:

.markItUp .translit {
   left: 340px;
   position: absolute;
}
.markItUp .markItUpButton13 a    {
    background-image:url(../img/translit.png);
}

Add image to sites/default/themes/default/img

Open sites/default/themes/default/templates/forum/new_topic.tpl
Find:

<form id="codo_new_reply_post"  method="POST" class="" role="form">

Replace with:

<form method="post" id="codo_new_reply_post" onsubmit="return false;" name="translitform" enctype="multipart/form-data" role="form">

Find:

<textarea placeholder="{_t('Describe your topic . You can use BBcode or Markdown')}" id="codo_new_reply_textarea" name="input_text">{$topic.imessage}</textarea>

Open sites/default/themes/default/templates/forum/topic.tpl

Find:

<form id="codo_new_reply_post" action="/" method="POST">

Replace with:

<form id="codo_new_reply_post" action="/" onsubmit="return false;" name="translitform" enctype="multipart/form-data" method="POST">

Find:

<textarea placeholder="{_t('Start typing here . You can use BBcode or Markdown')}" id="codo_new_reply_textarea" name="input_text"></textarea>

Replace with:

<textarea onkeyup="translate_letter()" placeholder="{_t('Start typing here . You can use BBcode or Markdown')}" id="codo_new_reply_textarea" name="input_text"></textarea>

Done!