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layout.js
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layout.js
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/******************************************
This file is part of Bangla Unicode Web Tools 2.
Copyright (C) 2007 S M Mahbub Murshed
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Authors: S M Mahbub Murshed, Arup Kamal
Copyright: Authors
Email: [email protected], [email protected]
Version: 1.2.0
Date: September 06, 2006, XX:XX GMT
TODO:
- Update Avro keyboard
*******************************************/
var IE=(document.all ? 1:0);
var LCUNI=0; // Last typed character converted into unicode
var LLCUNI=0; // Last before last typed character converted into unicode, used for avro
var LC=0; // Last english character typed
var LLC=0; // Last before last english character typed, used for Avro
var LC_KAR=0; // Last recognized pre-kar, needed for bijoy input
var LC_STRING=""; // Array of complex-borno or banjoborno
// after last pre-kar input. Required for bijoy input
// Keyboard layout to follow
var EnglishKeyboard = false;
var ENGLISH = 1;
var BIJOY = 2;
var UNIJOY = 3;
var PROBHAT = 4;
var SWIPHONETIC = 5;
var AVROPHONETIC = 6;
var BORNOSOFTACCENT = 7;
/*
1 - English,
2 - Bijoy,
3 - Unijoy
4 - Probhat
5 - Somewhere-in Phonetic,
6 - Avro Phonetic,
*/
var KeyBoardLayout = BIJOY;
var ctl_v_conversion = false; // should convert with ctrl+v?
var Avro_Cha_Flag = false;
var Avro_A_Press_Flag = false;
var Avro_EnglishWord = "";
var Avro_BanglaWord = "";
var Avro_EnableDictionary = false;
var Avro_Forced = false;
/******************************************
Maps an ASCII character to its equivalent
unicode character according to Bijoy
layout.
Coded by : S M Mahbub Murshed
Date: September 07, 2006
*******************************************/
var bijoy_keyboard_map = {
"0":"০",
"1":"১",
"2":"২",
"3":"৩",
"4":"৪",
"5":"৫",
"6":"৬",
"7":"৭",
"8":"৮",
"9":"৯",
"a":"ৃ",
"A":"র্",
"d":"ি",
"D":"ী",
"s":"ু",
"S":"ূ",
"f":"া",
"F":"অ",
"g":"্",
"G":"।",
"h":"ব",
"H":"ভ",
"j":"ক",
"J":"খ",
"k":"ত",
"K":"থ",
"l":"দ",
"L":"ধ",
"z":"্র",
"Z":"্য",
"x":"ও",
"X":"ৗ",
"c":"ে",
"C":"ৈ",
"v":"র",
"V":"ল",
"b":"ন",
"B":"ণ",
"n":"স",
"N":"ষ",
"m":"ম",
"M":"শ",
"q":"ঙ",
"Q":"ং",
"w":"য",
"W":"য়",
"e":"ড",
"E":"ঢ",
"r":"প",
"R":"ফ",
"t":"ট",
"T":"ঠ",
"y":"চ",
"Y":"ছ",
"u":"জ",
"U":"ঝ",
"i":"হ",
"I":"ঞ",
"o":"গ",
"O":"ঘ",
"p":"ড়",
"P":"ঢ়",
"&":"ঁ",
"$":"৳",
"`":"\u200C",
"~":"\u200D",
"\\":"ৎ",
"|":"ঃ"
}; // end bijoy_keyboard_map
/******************************************/
/******************************************
Maps an ASCII character to its equivalent
unicode character according to Phonetic
layout.
Coded by : S M Mahbub Murshed
Date: September 07, 2006
******************************************/
var somewherein_phonetic_keyboard_map = {
"0":"০",
"1":"১",
"2":"২",
"3":"৩",
"4":"৪",
"5":"৫",
"6":"৬",
"7":"৭",
"8":"৮",
"9":"৯",
"a":"া",
"A":"আ",
"d":"ড",
"D":"দ",
"s":"স",
"S":"ষ",
"f":"ফ",
"F":"ঋ",
"g":"গ",
"G":"ঘ",
"h":"হ",
"H":"ঃ",
"j":"জ",
"J":"ঝ",
"k":"ক",
"K":"খ",
"l":"ল",
"L":"খ",
"z":"য",
"Z":"ত",
"x":"ক্স",
"X":"ঢ",
"c":"চ",
"C":"ছ",
"v":"ভ",
"V":"ঠ",
"b":"ব",
"B":"ই",
"n":"ন",
"N":"ণ",
"m":"ম",
"M":"গ",
"q":"য়",
"Q":"ছ",
"w":"ৃ",
"W":"ঋ",
"e":"ে",
"E":"এ",
"r":"র",
"R":"ড়",
"t":"ট",
"T":"ত",
"y":"য়",
"Y":"্য",
"u":"ু",
"U":"উ",
"i":"ি",
"I":"ই",
"o":"ো",
"O":"ও",
"p":"প",
"P":"চ",
"&":"্",
"$":"৳",
"+":"্",
".":"।",
"`":"\u200C",
"~":"\u200D",
"\\":"॥",
"|":"।"
}; // end somewherein_phonetic_keyboard_map
/******************************************/
/******************************************
Maps an ASCII character to its equivalent
unicode character according to Avro Phonetic
layout.
\param C The ASCII character to find its Map
Coded by : S M Mahbub Murshed
Date: September 07, 2006
******************************************/
var avro_phonetic_keyboard_map = {
"0":"০",
"1":"১",
"2":"২",
"3":"৩",
"4":"৪",
"5":"৫",
"6":"৬",
"7":"৭",
"8":"৮",
"9":"৯",
"o":"অ",
"a":"আ",
"A":"আ",
"i":"ই",
"I":"ঈ",
"u":"উ",
"U":"ঊ",
"e":"এ",
"E":"এ",
"O":"ও",
"d":"দ",
"D":"ড",
"s":"স",
"S":"শ",
"f":"ফ",
"g":"গ",
"h":"হ",
"H":"হ",
"j":"জ",
"J":"য",
"k":"ক",
"K":"ক",
"l":"ল",
"L":"ল",
"z":"য",
"Z":"্য",
"c":"চ",
"v":"ভ",
"V":"ভ",
"b":"ব",
"n":"ন",
"N":"ণ",
"m":"ম",
"y":"য়",
"w":"্ব",
"r":"র",
"R":"ড়",
"t":"ত",
"T":"ট",
"y":"য়",
"Y":"য়",
"p":"প",
"$":"৳",
"+":"্",
".":"।",
":":"ঃ",
"^":"ঁ",
"`":"্"
}; // end avro_phonetic_keyboard_map
/******************************************/
/******************************************
Maps an ASCII character to its equivalent
unicode character according to Unijoy
layout.
Coded by : S M Mahbub Murshed
Date: September 07, 2006
******************************************/
var unijoy_keyboard_map = {
"0":"০",
"1":"১",
"2":"২",
"3":"৩",
"4":"৪",
"5":"৫",
"6":"৬",
"7":"৭",
"8":"৮",
"9":"৯",
"a":"ৃ",
"A":"র্",
"d":"ি",
"D":"ী",
"s":"ু",
"S":"ূ",
"f":"া",
"F":"অ",
"g":"্",
"G":"।",
"h":"ব",
"H":"ভ",
"j":"ক",
"J":"খ",
"k":"ত",
"K":"থ",
"l":"দ",
"L":"ধ",
"z":"্র",
"Z":"্য",
"x":"ো",
"X":"ৌ",
"c":"ে",
"C":"ৈ",
"v":"র",
"V":"ল",
"b":"ন",
"B":"ণ",
"n":"স",
"N":"ষ",
"m":"ম",
"M":"শ",
"q":"ঙ",
"Q":"ং",
"w":"য",
"W":"য়",
"e":"ড",
"E":"ঢ",
"r":"প",
"R":"ফ",
"t":"ট",
"T":"ঠ",
"y":"চ",
"Y":"ছ",
"u":"জ",
"U":"ঝ",
"i":"হ",
"I":"ঞ",
"o":"গ",
"O":"ঘ",
"p":"ড়",
"P":"ঢ়",
"&":"ঁ",
"$":"৳",
"`":"\u200C",
"~":"\u200D",
"^":"÷",
"*":"×",
"\\":"ৎ",
"|":"ঃ"
}; // end unijoy_keyboard_map
/******************************************/
/******************************************
Maps an ASCII character to its equivalent
unicode character according to Probhat
layout.
Coded by : S M Mahbub Murshed
Date: April 23, 2006
******************************************/
var probhat_keyboard_map = {
"0":"০",
"1":"১",
"2":"২",
"3":"৩",
"4":"৪",
"5":"৫",
"6":"৬",
"7":"৭",
"8":"৮",
"9":"৯",
"a":"া",
"A":"অ",
"s":"স",
"S":"ষ",
"d":"ড",
"D":"ঢ",
"f":"ত",
"F":"থ",
"g":"গ",
"G":"ঘ",
"h":"হ",
"H":"ঃ",
"j":"জ",
"J":"ঝ",
"k":"ক",
"K":"খ",
"l":"ল",
"L":"ং",
"z":"য়",
"Z":"য",
"x":"শ",
"X":"ঢ়",
"c":"চ",
"C":"ছ",
"v":"আ",
"V":"ঋ",
"b":"ব",
"B":"ভ",
"n":"ন",
"N":"ণ",
"m":"ম",
"M":"ঙ",
"q":"দ",
"Q":"ধ",
"w":"ূ",
"W":"ঊ",
"e":"ী",
"E":"ঈ",
"r":"র",
"R":"ড়",
"t":"ট",
"T":"ঠ",
"y":"এ",
"Y":"ঐ",
"u":"ু",
"U":"উ",
"i":"ি",
"I":"ই",
"o":"ও",
"O":"ঔ",
"p":"প",
"P":"ফ",
"[":"ে",
"{":"ৈ",
"]":"ো",
"}":"ৌ",
"*":"ৎ",
"&":"ঞ",
"$":"৳",
"~":"\u200C",
"`":"\u200D",
"<":"ৃ",
">":"ঁ",
".":"।",
"/":"্",
"|":"॥"
}; // end probhat_keyboard_map
/******************************************/
/******************************************
Maps an ASCII character to its equivalent
unicode character according to Bornosoft Accent
layout.
Coded by : S M Mahbub Murshed
Date: September 30, 2007
******************************************/
var bornosoft_keyboard_map = {
"0":"০",
"1":"১",
"2":"২",
"3":"৩",
"4":"৪",
"5":"৫",
"6":"৬",
"7":"৭",
"8":"৮",
"9":"৯",
"a":"আ",
"A":"অ",
"d":"দ",
"D":"ধ",
"s":"স",
"S":"শ",
"f":"া",
"F":"অ",
"g":"গ",
"G":"ঘ",
"h":"হ",
"H":"হ",
"j":"জ",
"J":"ঝ",
"k":"ক",
"K":"খ",
"l":"ল",
"L":"ল",
"z":"য",
"Z":"জ",
"x":"ষ",
"X":"ষ",
"c":"চ",
"C":"ছ",
"v":"র",
"V":"ল",
"b":"ব",
"B":"ভ",
"n":"ন",
"N":"ণ",
"m":"ম",
"M":"ম",
"q":"ঙ",
"Q":"ং",
"w":"্ব",
"W":"ঃ",
"e":"এ",
"E":"ঐ",
"r":"র",
"R":"র",
"t":"ত",
"T":"থ",
"y":"্য",
"Y":"য়",
"u":"উ",
"U":"ঊ",
"i":"ই",
"I":"ঈ",
"o":"ও",
"O":"ঔ",
"p":"প",
"P":"ফ",
".":"।",
":":"ঃ",
"~":"ঁ",
"$":"৳"
}; // end bornosoft_keyboard_map
/******************************************/
/******************************************
Maps an ASCII character to its equivalent
unicode character according to selected
layout.
\param C The ASCII character to find its Map
Coded by : S M Mahbub Murshed
Date: August 30, 2006
******************************************/
function MapUnicodeCharacter(C)
{
if(KeyBoardLayout == BIJOY)
return bijoy_keyboard_map[C];
else if(KeyBoardLayout == UNIJOY)
return unijoy_keyboard_map[C];
else if(KeyBoardLayout == PROBHAT)
return probhat_keyboard_map[C];
else if(KeyBoardLayout == SWIPHONETIC)
return somewherein_phonetic_keyboard_map [C];
else if(KeyBoardLayout == AVROPHONETIC) {
Avro_Forced = IsAvorForced(C);
return avro_phonetic_keyboard_map [C];
}
else if(KeyBoardLayout == BORNOSOFTACCENT) {
return bornosoft_keyboard_map [C];
}
return C;
} // end function MapUnicodeCharacter
/******************************************
Resets Kar modifier tracking.
Coded by : S M Mahbub Murshed
Date: August 28, 2006
******************************************/
function ResetKarModifier()
{
LC_KAR = 0;
LC_STRING = "";
} // end function ResetKarModifier
/******************************************
Modifies a kar
\param CUni Current charater
Coded by : S M Mahbub Murshed
Date: August 28, 2006
******************************************/
function KarModification(field, CUni)
{
if (LC_KAR == LCUNI || IsBanglaHalant(LCUNI) || CUni=="্র" || CUni=="্য")
{
var len = LC_STRING.length;
LC_STRING = LC_STRING + CUni;
RemoveNInsert(field, LC_STRING + LC_KAR,len+LC_KAR.length);
}
else if(CUni=="র্")
{
var len = LC_STRING.length;
LC_STRING = CUni + LC_STRING;
RemoveNInsert(field, LC_STRING + LC_KAR,len+LC_KAR.length);
}
else if(IsBanglaHalant(CUni))
{
LC_STRING = LC_STRING + CUni;
Insert(field, CUni);
}
else
{
Insert(field, CUni);
ResetKarModifier();
}
} // end function KarModification
/******************************************
Modifies a ref insertion
Coded by : S M Mahbub Murshed
Date: August 28, 2006
******************************************/
function RefModification(field)
{
var len = 1;
var kar = "";
var str = "";
var halant_found = true;
var CH = "";
field.focus();
while(true)
{
if (document.selection)
{
sel = document.selection.createRange();
if (field.value.length >= len)
{
sel.moveStart('character', -1 * len);
}
else
{
CH = "",
len--;
sel.moveStart('character', -1 * len);
break;
}
CH = sel.text.charAt(0);
}
else if (field.selectionStart || field.selectionStart == 0)
{
var startPos = field.selectionStart-len;
var endPos = field.selectionEnd;
var scrollTop = field.scrollTop;
if(startPos <0)
{
CH = "",
len--;
startPos = field.selectionStart-len;
break;
}
CH = field.value.substring(startPos, startPos+1)
}
if(len!=1 && IsBanglaKar(CH))
break;
if(len==1 && IsBanglaKar(CH))
kar=CH;
else if(IsBanglaSoroborno(CH) || IsBanglaDigit(CH) || IsSpace(CH))
break;
else if(IsBanglaBanjonborno(CH))
{
if(halant_found==true)
{
str = CH + str;
halant_found = false;
}
else
break;
}
else if(IsBanglaHalant(CH))
{
str = CH + str;
halant_found = true;
}
len++;
}
var line = CH + "র্" + str + kar;
if (document.selection)
{
sel.text = line;
sel.collapse(true);
sel.select();
}
else if (field.selectionStart || field.selectionStart == 0)
{
field.value = field.value.substring(0, startPos)
+ line
+ field.value.substring(endPos, field.value.length);
field.focus();
field.selectionStart = startPos + line.length;
field.selectionEnd = startPos + line.length;
field.scrollTop = scrollTop;
}
} // end function RefModification
/******************************************
Modifies a o-kar and ou-kar insertion
Coded by : S M Mahbub Murshed
Date: August 28, 2006
******************************************/
function OAndOuKarModification(field, CH1, CH2)
{
if (document.selection)
{
field.focus();
sel = document.selection.createRange();
if (field.value.length >= 1)
sel.moveStart('character', -1);
if(sel.text.charAt(0) == 'ে')
sel.text = CH1;
else
sel.text = sel.text.charAt(0) + CH2;
sel.collapse(true);
sel.select();
}
else if (field.selectionStart || field.selectionStart == 0)
{
var startPos = field.selectionStart-1;
var endPos = field.selectionEnd;
var scrollTop = field.scrollTop;
var CH;
startPos = (startPos == -1 ? field.value.length : startPos );
if(field.value.substring(startPos, startPos+1) == "ে")
CH = CH1;
else
{
startPos=startPos+1;
CH = CH2;
}
field.value = field.value.substring(0, startPos)
+ CH
+ field.value.substring(endPos, field.value.length);
field.focus();
field.selectionStart = startPos + CH.length;
field.selectionEnd = startPos + CH.length;
field.scrollTop = scrollTop;
}
} // end function OAndOuKarModification
/******************************************
Determines whether its a phonetic
modifier character or not.
Coded by : S M Mahbub Murshed
Date: August 30, 2006
******************************************/
function IsSomewhereinPhoneticModifierCharaceter(CUni)
{
if(CUni=='হ' || CUni=='গ'
|| CUni=='ঘ' || CUni=='ণ'
|| CUni=='ঃ' || CUni=='ট'
|| CUni=='ো'
|| CUni=='ই' || CUni=='ি'
|| CUni=='উ' || CUni=='ু'
|| CUni=='র' || CUni=='ড়' )
return true;
return false;
} // end function IsSomewhereinPhoneticModifierCharaceter
/******************************************
Modifies phonetic ha
Coded by : S M Mahbub Murshed
Date: August 28, 2006
******************************************/
function GetSomewhereinPhoneticModifiedCharaceter(CUni)
{
var CMod=CUni;
if(LCUNI=='ক' && CUni=='হ') CMod = 'খ';
else if(LCUNI=='গ' && CUni=='হ') CMod = 'ঘ';
else if(LCUNI=='চ' && CUni=='হ') CMod = 'চ';
else if(LCUNI=='জ' && CUni=='হ') CMod = 'ঝ';
else if(LCUNI=='ট' && CUni=='হ') CMod = 'ঠ';
else if(LCUNI=='ড' && CUni=='হ') CMod = 'ঢ';
else if(LCUNI=='ত' && CUni=='হ') CMod = 'থ';
else if(LCUNI=='দ' && CUni=='হ') CMod = 'ধ';
else if(LCUNI=='প' && CUni=='হ') CMod = 'ফ';
else if(LCUNI=='ব' && CUni=='হ') CMod = 'ভ';
else if(LCUNI=='স' && CUni=='হ') CMod = 'শ';
else if(LCUNI=='ড়' && CUni=='হ') CMod = 'ঢ়';
else if(LCUNI=='ণ' && CUni=='গ') CMod = 'ঙ';
else if(LCUNI=='ন' && CUni=='গ') CMod = 'ং';
else if(LCUNI=='ণ' && CUni=='ঘ') CMod = 'ঞ';
else if(LCUNI=='ণ' && CUni=='ণ') CMod = 'ঁ';
else if(LCUNI=='ঃ' && CUni=='ঃ') CMod = 'ঃ';
else if(LCUNI=='ট' && CUni=='ট') CMod = 'ৎ';
else if(LCUNI=='া' && CUni=='ো') CMod = 'অ';
else if(LCUNI=='ি' && CUni=='ি') CMod = 'ী';
else if(LCUNI=='ই' && CUni=='ই') CMod = 'ঈ';
else if(LCUNI=='ু' && CUni=='ু') CMod = 'ূ';
else if(LCUNI=='উ' && CUni=='উ') CMod = 'ঊ';
else if(LCUNI=='ও' && CUni=='ই') CMod = 'ঐ';
else if(LCUNI=='ো' && CUni=='ি') CMod = 'ৈ';
else if(LCUNI=='ও' && CUni=='উ') CMod = 'ঔ';
else if(LCUNI=='ো' && CUni=='ু') CMod = 'ৌ';
else if(LCUNI=='ৃ' && CUni=='র') CMod = 'ৃ';
else if(LCUNI=='ঋ' && CUni=='ড়') CMod = 'ঋ';
return CMod;
} // end function GetSomewhereinPhoneticModifiedCharaceter
/******************************************
Determines whether its a bornosoft
modifier character or not.
Coded by : S M Mahbub Murshed
Date: September 30, 2007
******************************************/
function IsBornosoftModifierCharaceter(CUni)
{
if(CUni=='হ' || CUni=='`'
|| CUni=='~' )
return true;
return false;
} // end function IsSomewhereinPhoneticModifierCharaceter
/******************************************
Modifies bornosoft characters
Coded by : S M Mahbub Murshed
Date: September 30, 2007
******************************************/
function GetBornosoftModifiedCharaceter(CUni)
{
var CMod=CUni;
if(LCUNI=='ক' && CUni=='হ') CMod = 'খ';
else if(LCUNI=='গ' && CUni=='হ') CMod = 'ঘ';
else if(LCUNI=='চ' && CUni=='হ') CMod = 'চ';
else if(LCUNI=='জ' && CUni=='হ') CMod = 'ঝ';
else if(LCUNI=='ট' && CUni=='হ') CMod = 'ঠ';
else if(LCUNI=='ড' && CUni=='হ') CMod = 'ঢ';
else if(LCUNI=='ত' && CUni=='হ') CMod = 'থ';
else if(LCUNI=='দ' && CUni=='হ') CMod = 'ধ';
else if(LCUNI=='প' && CUni=='হ') CMod = 'ফ';
else if(LCUNI=='ব' && CUni=='হ') CMod = 'ভ';
else if(LCUNI=='স' && CUni=='হ') CMod = 'শ';
else if(LCUNI=='ড়' && CUni=='হ') CMod = 'ঢ়';
else if(LCUNI=='ণ' && CUni=='গ') CMod = 'ঙ';
else if(LCUNI=='ন' && CUni=='গ') CMod = 'ং';
else if(LCUNI=='ণ' && CUni=='ঘ') CMod = 'ঞ';
else if(LCUNI=='ণ' && CUni=='ণ') CMod = 'ঁ';
else if(LCUNI=='ঃ' && CUni=='ঃ') CMod = 'ঃ';
else if(LCUNI=='ট' && CUni=='ট') CMod = 'ৎ';
else if(LCUNI=='া' && CUni=='ো') CMod = 'অ';
else if(LCUNI=='ি' && CUni=='ি') CMod = 'ী';
else if(LCUNI=='ই' && CUni=='ই') CMod = 'ঈ';
else if(LCUNI=='ু' && CUni=='ু') CMod = 'ূ';
else if(LCUNI=='উ' && CUni=='উ') CMod = 'ঊ';
else if(LCUNI=='ও' && CUni=='ই') CMod = 'ঐ';
else if(LCUNI=='ো' && CUni=='ি') CMod = 'ৈ';
else if(LCUNI=='ও' && CUni=='উ') CMod = 'ঔ';
else if(LCUNI=='ো' && CUni=='ু') CMod = 'ৌ';
else if(LCUNI=='ৃ' && CUni=='র') CMod = 'ৃ';
else if(LCUNI=='ঋ' && CUni=='ড়') CMod = 'ঋ';
return CMod;
} // end function GetBornosoftModifiedCharaceter
/******************************************
Determines whether its a avro force
modifier character or not.
Coded by : S M Mahbub Murshed
Date: July 28, 2007
******************************************/
function IsAvorForced(C)
{
if(C=='`' || C=='Y')