User:Praveenp/monobook.js

/*   This script is a modified version of Alex benenson's cyrillic translitarator and this version was created by Peringz

var consonants = {"ക":"ക","ഖ":"ഖ","ഗ":"ഗ","ഘ":"ഘ","ങ":"ങ","ച":"ച","ഛ":"ഛ","ജ":"ജ","ഝ":"ഝ","ഞ":"ഞ","ട":"ട","ഠ":"ഠ","ഡ":"ഡ","ഢ":"ഢ","ണ":"ണ","ത":"ത","ഥ":"ഥ","ദ":"ദ","ധ":"ധ","ന":"ന","പ":"പ","ഫ":"ഫ","ബ":"ബ","ഭ":"ഭ","മ":"മ","യ":"യ","ര":"ര","ല":"ല","വ":"വ","ശ":"ശ","ഷ":"ഷ","സ":"സ","ഹ":"ഹ","ള":"ള","ഴ":"ഴ","റ":"റ","റ്റ":"റ്റ"}; var chillaksharam = {"ൺ":"ണ","ൻ":"ന","ം":"മ","ർ":"ര","ൽ":"ല","ൾ":"ള","്\\u200D":""};

var vowels = '"്a":"","്e":"െ","്i":"ി","്o":"ൊ","്u":"ു","്A":"ാ","്E":"േ","്I":"ീ","്O":"ോ","്U":"ൂ","്Y":"ൈ","െe":"ീ","ൊo":"ൂ","ിi":"ീ","ിe":"ീ","ുu":"ൂ","ുo":"ൂ","്r":"്ര്",'; var roman = '"k":"ക്","ക്h":"ഖ്","g":"ഗ്","ഗ്h":"ഘ്","ൻg":"ങ്","c":"ക്\\u200D","ക്\\u200Dh":"ച്","ച്h":"ഛ്","j":"ജ്","ജ്h":"ഝ്","ൻj":"ഞ്","ൻh":"ഞ്","T":"ട്","ട്h":"ഠ്","D":"ഡ്","ഡ്h":"ഢ്","റ്റ്h":"ത്","ത്h":"ഥ്","d":"ദ്","ദ്h":"ധ്","p":"പ്","പ്h":"ഫ്","f":"ഫ്","b":"ബ്","ബ്h":"ഭ്","y":"യ്","v":"വ്","w":"വ്","z":"ശ്","S":"ശ്","സ്h":"ഷ്","s":"സ്","h":"ഹ്","ശ്h":"ഴ്","x":"ക്ഷ്","R":"റ്","t":"റ്റ്",'; var chill = '"N":"ൺ","n":"ൻ","m":"ം","r":"ർ","l":"ൽ","L":"ൾ",'; var swaram = '"a":"അ","അa":"ആ","A":"ആ","e":"എ","E":"ഏ","എe":"ഈ","i":"ഇ","ഇi":"ഈ","ഇe":"ഈ","അi":"ഐ","I":"ഐ","o":"ഒ","ഒo":"ഊ","O":"ഓ","അu":"ഔ","ഒu":"ഔ","u":"ഉ","ഉu":"ഊ","U":"ഊ","H":"ഃ","റ്h":"ഋ","ർ^":"ഋ","ഋ^":"ൠ","ൽ^":"ഌ","ഌ^":"ൡ",'; var numerals = '"1":"1","2":"2","3":"3","4":"4","5":"5","6":"6","7":"7","8":"8","9":"9","0":"0",'; var conjuncts = '"ൻt":"ന്റ്","ന്റ്h":"ന്ത്","ൻk":"ങ്ക്","ൻn":"ന്ന്","ൺN":"ണ്ണ്","ൾL":"ള്ള്","ൽl":"ല്ല്","ംm":"മ്മ്","ൻm":"ന്മ്","ന്ന്g":"ങ്ങ്","ൻd":"ന്ദ്","ൺm":"ണ്മ്","ൽp":"ല്പ്","ംp":"മ്പ്","റ്റ്t":"ട്ട്","ൻT":"ണ്ട്","ൺT":"ണ്ട്","്ര്^":"ൃ","ൻc":"ൻ\\u200D","ൻ\\u200Dh":"ഞ്ച്","ൺD":"ണ്ഡ്",'; var others = '"്L":"്ല്","~":"്\\u200C","്~":"്\\u200C","\\u200C~":"\\u200C","ം~":"മ്","ക്\\u200Dc":"ക്ക്\\u200D","ക്ക്\\u200Dh":"ച്ച്","q":"ക്യൂ",'; var caps = '"B":"ബ്ബ്","C":"ക്ക്\\u200D","F":"ഫ്","G":"ഗ്ഗ്","J":"ജ്ജ്","K":"ക്ക്","M":"മ്മ്","P":"പ്പ്","Q":"ക്യൂ","V":"വ്വ്","W":"വ്വ്","X":"ക്ഷ്","Y":"യ്യ്","Z":"ശ്ശ്",'; var ZWNJ = '"_":"\\u200C"';

// for compatibility with bookmarklets function cyr_translit(src) { return to_cyrillic(src); }

var conversionHash = undefined; var maxcyrlength = 0;

function getConversionHash { if (conversionHash == undefined) { // TODO var opr = "{" + vowels + roman + chill + swaram + numerals + conjuncts + caps + others; for (var consonant in consonants) { opr += '"' + consonant + 'a":"' + consonant + 'ാ",'; opr += '"' + consonant + 'e":"' + consonant + 'േ",'; opr += '"' + consonant + 'i":"' + consonant + 'ൈ",'; opr += '"' + consonant + 'o":"' + consonant + 'ോ",'; opr += '"' + consonant + 'u":"' + consonant + 'ൗ",'; }       for (var chk in chillaksharam) { opr += '"' + chk + 'a":"' + chillaksharam[chk] + '",'; opr += '"' + chk + 'e":"' + chillaksharam[chk] + 'െ",'; opr += '"' + chk + 'i":"' + chillaksharam[chk] + 'ി",'; opr += '"' + chk + 'o":"' + chillaksharam[chk] + 'ൊ",'; opr += '"' + chk + 'u":"' + chillaksharam[chk] + 'ു",'; opr += '"' + chk + 'A":"' + chillaksharam[chk] + 'ാ",'; opr += '"' + chk + 'E":"' + chillaksharam[chk] + 'േ",'; opr += '"' + chk + 'I":"' + chillaksharam[chk] + 'ീ",'; opr += '"' + chk + 'O":"' + chillaksharam[chk] + 'ോ",'; opr += '"' + chk + 'U":"' + chillaksharam[chk] + 'ൂ",'; opr += '"' + chk + 'Y":"' + chillaksharam[chk] + 'ൈ",'; opr += '"' + chk + 'r":"' + chillaksharam[chk] + '്ര്",'; opr += '"' + chk + 'y":"' + chillaksharam[chk] + '്യ്",'; opr += '"' + chk + 'v":"' + chillaksharam[chk] + '്വ്",'; opr += '"' + chk + 'w":"' + chillaksharam[chk] + '്വ്",'; opr += '"' + chk + '~":"' + chillaksharam[chk] + '്\\u200C",'; }       opr += ZWNJ + "}"; // var tb = document.getElementById('wpTextbox1'); // tb.value = opr; conversionHash = eval("("+opr+")"); maxcyrlength=6; }

return conversionHash; }

function to_cyrillic(src, output, chunks) { if (src == undefined || src == "" || src == null) return src; if (output == undefined) output = new String;

var hash = getConversionHash; var location = 0; while (location < src.length) { var len = Math.min(maxcyrlength, src.length - location); var arr = undefined; var sub; while (len > 0) { sub = src.substr(location, len); arr = hash[sub]; if (arr != undefined) break; else len--; }       // need this for translit on the fly if (chunks != undefined) chunks[chunks.length] = sub; if (arr == undefined) { output += sub; location ++; }       else {

// case analysis var newChar = arr; if (sub.toLowerCase == sub.toUpperCase && arr.length > 1 && arr[1] && (newChar.toUpperCase != newChar.toLowerCase)) { // need translit hash to determine if previous character (and possibly the one before it) // were converted and are in upper case // set prevDud to true previous is not a translated character or simply a blank // set prevCap to true if previous was translated and was upper case

var prevCh = output.length == 0 ? null : output.substr(output.length - 1, 1); var prevDud = !prevCh || !getTranslitString(prevCh); var prevCap = (!prevDud && prevCh == prevCh.toUpperCase);

// sub is caseless but result isn't. case will depend on lookbehind and lookahead if (prevDud || !prevCap) { output += newChar.toLowerCase; prevCap = false; }		       else { var next = " "; if (location + len < src.length) next = src.substr(location + len, 1);

if (next != next.toUpperCase && next == next.toLowerCase ) { //next is lowercase (and not caseless) output += newChar.toLowerCase; }			       else if (next == next.toUpperCase && next != next.toLowerCase ) { // next is uppercase (and not caseless) output += newChar.toUpperCase; }			       else { // next is caseless. output case determined by the case of output[length - 2] var pprevCh = output.length == 1 ? null : output.substr(output.length - 2, 1); var pprevDud = !pprevCh || !getTranslitString(pprevCh); if (!pprevDud && (pprevCh == pprevCh.toUpperCase)) { //pre-prev is in upper case. output is also uppercase output += newChar.toUpperCase; }				       else { output += newChar.toLowerCase; }			       }		        }	        }	        else if ((sub.toLowerCase == sub.toUpperCase) && (arr.length < 2 || !arr[1])) { // literal treatment of newChar output += newChar;

}	       else if (sub != sub.toLowerCase) { // sub not all-lowercase output += newChar.toUpperCase; }	       else { // sub is lowercase output += newChar.toLowerCase; }	       location += len; }   }    return output; }

function convertIt(src,converter){ var resultbuffer=""; for(var i=0;i<src.length;i++){ resultbuffer=converter(resultbuffer+src[i]); }       return converter(resultbuffer);

}

var translitHash = undefined;

function initTranslit { if (translitHash == undefined) { translitHash = new Array;

for (var i = 0; i < conversionHash.length; i++) { var ch = conversionHash[i][1]; // if the translit string is not caseless, convert cyr string to upper case // otherwise maintain its case if (conversionHash[i][0].toUpperCase != conversionHash[i][0].toLowerCase) ch = ch.toUpperCase; if (translitHash[ch] == undefined) translitHash[ch] = conversionHash[i][0]; }   } }

//-- translit on-the-fly --

function replaceValue(node, value, stepback) { if (stepback == undefined) stepback = 0; if (isExplorer) { var range = document.selection.createRange; range.moveStart("character", -stepback); range.text = value; range.collapse(false); range.select; }   else { var scrollTop = node.scrollTop; var cursorLoc = node.selectionStart; node.value = node.value.substring(0, node.selectionStart - stepback) + value + node.value.substring(node.selectionEnd, node.value.length); node.scrollTop = scrollTop; node.selectionStart = cursorLoc + value.length - stepback; node.selectionEnd = cursorLoc + value.length - stepback; } }

// compare positions function positionIsEqual(other) { if (isExplorer) return this.position.isEqual(other.position); else return this.position == other.position; }

function Position(node) { if (node.selectionStart != undefined) this.position = node.selectionStart; else if (document.selection && document.selection.createRange) this.position = document.selection.createRange; this.isEqual = positionIsEqual; }

function resetState { this.position = new Position(this.node); this.transBuffer = ""; this.cyrBuffer = ""; }

function StateObject(node) { this.node = node; this.reset = resetState; this.cyrBuffer = ""; this.transBuffer = ""; this.position = new Position(node); }

var stateHash = new Array;

function isExplorer { return (document.selection != undefined && document.selection.createRange.isEqual != undefined); }

function pressedKey(event) { if (isExplorer) return event.keyCode; else return event.which; }

function transliterateKey(event) { /*   if ((event.keyCode == 255 && event.charCode > 0) || event.keyCode == 8) { return; }   */    if (event == undefined) event = window.event; var node = null; if (event.target) { node = event.target; }   else if (event.srcElement) { node = event.srcElement; }   // initialize state var state = stateHash[node]; if (state == null) { state = new StateObject(node); stateHash[node] = state; }   if ( (pressedKey(event) > 20) && !event.ctrlKey && !event.altKey && !event.metaKey) {

var c = String.fromCharCode(pressedKey(event));

// process input var result = process_translit(state, c); // finish up       if (c != result.out || result.replace != 0) { if (isExplorer) event.returnValue = false; else event.preventDefault; replaceValue(node, result.out, result.replace); state.position = new Position(node);

}   } }

function TranslitResult { this.out = ""; this.replace = 0; }

function process_translit(state, c) { // reset state if position changed if (!state.position.isEqual(new Position(state.node))) state.reset; var result = new TranslitResult; // initial backbuffer. Add to it as characters are converted var backbuffer = getBackBuffer(state.node, state.cyrBuffer.length, 2); var chunks = new Array; state.transBuffer = state.transBuffer+ c

var str = to_cyrillic(state.cyrBuffer+c, backbuffer, chunks);

// remove backbuffer from output str = str.substr(backbuffer.length); result.out = str; /* str is now left alone - it has the output matching contents of chunks and will be used to reinitialize backbuffers, along with chunks and state.transBuffer */   // get the difference between state.cyrBuffer and output for (var i = 0; i < Math.min(state.cyrBuffer.length, result.out.length); i++) { if (state.cyrBuffer.substr(i, 1) != result.out.substr(i, 1)) { result.replace = state.cyrBuffer.length - i;	       result.out = result.out.substr(i); break; }   }    if (result.replace == 0) { if(result.out.length 0 && chunks[chunks.length - 1] == result.out.substr(result.out.length - 1)) { // no convertion took place, reset state state.reset; }   else { while (state.transBuffer.length > maxcyrlength) { state.transBuffer = state.transBuffer.substr(chunks[0].length); chunks.shift; str = str.substr(1); }       state.cyrBuffer = str; }   return result; }

function getBackBuffer(node, offset, count) { if (isExplorer) { //.tagName.toUpperCase == "EDITOR") {       var range = document.selection.createRange;        range.moveStart("character", -offset);        var result = range.text.substr(-count);        if (!result)	        result = "";        return result;

} else { return node.value.substring(0, node.selectionStart - offset).substr(-count); } }

// need this for bookmarklets function getSelectedNode { if (document.activeElement) return document.activeElement; else if (window.getSelection && window.getSelection && window.getSelection.rangeCount > 0) { var range = window.getSelection.getRangeAt(0); if (range.startContainer && range.startContainer.childNodes && range.startContainer.childNodes.length > range.startOffset) return range.startContainer.childNodes[range.startOffset] } return null; }

function toggleCyrMode { var node = getSelectedNode; if (node) { if (stateHash[node]) { if (removeKeyEventListener(node)) delete stateHash[node]; }       else { if (addKeyEventListener(node)) stateHash[node] = new StateObject(node); }   } }

function addKeyEventListener(node) { if (node.addEventListener) node.addEventListener("keypress", transliterateKey, false); else if (node.attachEvent) node.attachEvent("onkeypress", transliterateKey); else return false; return true; } function removeKeyEventListener(node) { if (node.removeEventListener) node.removeEventListener("keypress", transliterateKey, false); else if (node.detachEvent) node.detachEvent("onkeypress", transliterateKey); else return false; return true; }

function getSelectedText { if (isExplorer) { return document.selection.createRange.text; }   else { var node = getSelectedNode; if (node && node.value && node.selectionStart != undefined && node.selectionEnd != undefined) return node.value.substring(node.selectionStart, node.selectionEnd); }   return ""; }

/* calling functions */

function addLoadEvent(func) { if (window.addEventListener) window.addEventListener("load", func, false); else if (window.attachEvent) window.attachEvent("onload", func); }

function addTranslit(editForm,textBox) { checkrt(editForm); // check for translit support

if (textBox.addEventListener) textBox.addEventListener("keypress", processKeys, false); else if (textBox.attachEvent) textBox.attachEvent("onkeypress", processKeys); }

function addTextEvent { var editForm =document.getElementById('editform'); if(editForm != null) { var textBox=document.getElementById('wpTextbox1'); var textSummary = document.getElementById('wpSummary'); addTranslit(editForm,textBox); addCheckbox(editForm,textBox ); if(textSummary) { addTranslit(editForm,textSummary); } }

// add transliteration feature to search form also var searchform = document.getElementById('searchform'); var searchInput = document.getElementById('searchInput'); if(searchInput) { addTranslit(searchform,searchInput); } }

function addCheckbox(editform,textBox) { var element = document.createElement("input"); element.setAttribute("type","checkbox"); element.setAttribute("id","realtime");

if (element.addEventListener) element.addEventListener("click", rtClick, false); else if (element.attachEvent) element.attachEvent("onclick", rtClick);

var labelcheckBox = document.createTextNode(' മലയാളം എഴുതുവാൻ ഈ ഉപാധി സ്വീകരിക്കുക - Use Ctrl + M to Toggle.'); editform.insertBefore(element,textBox); document.getElementById("realtime").checked = realTime; editform.insertBefore(labelcheckBox,textBox); var p = document.createElement("p"); p.setAttribute("style","width:100%;height:1px;"); editform.insertBefore(p,textBox); }

var imeStatus = false; function processKeys(event) { if (rtsupported) { e = event || window.event; if ((e.keyCode == 13 && e.ctrlKey) || (e.which == 109 && e.ctrlKey)) {		           realTime = !realTime; var chk = document.getElementById('realtime'); if (chk) { chk.checked = realTime; } return false; }	           else if ((e.keyCode >= 3328 && e.keyCode <= 3455) || (e.which >= 3328 && e.which <= 3455)) { var chk = document.getElementById('realtime'); if (imeStatus == false || realTime) { realTime = false; if (chk) { chk.checked = realTime; } imeStatus = true; alert('A Malayalam input tool was detected. Disabling in-built transliteration. To turn it On again use Ctrl+M'); return false; }	           }                else if (realTime) { imeStatus = false; transliterateKey(event); // call transliteration function }           }         }        var realTime = true;

function rtClick(event) { realTime = !realTime; }

var rtsupported = false; var error;

function checkrt(editform) { try { /*           var nav = navigator.userAgent.toUpperCase; rtsupported = (nav.indexOf("GECKO") >= 0 || nav.indexOf("OPERA") >= 0 || nav.indexOf("SAFARI") >= 0); */               rtsupported = (document.selection != undefined) if (!rtsupported) { var element = document.createElement("TEXTAREA"); editform.appendChild(element); if (element.selectionStart != undefined) rtsupported = true; editform.removeChild(element); }           } catch (error) {} }

addLoadEvent(addTextEvent); /*