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jgabc.full.js
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jgabc.full.js
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String.prototype.repeat = function(num){return new Array(num+1).join(this);};
String.prototype.reverse = function(){return this.split('').reverse().join('');};
HTMLTextAreaElement.prototype.selectAndScroll = function(start,end,onlyUp) {
var text = this.value;
var txtBox = this;
setTimeout(function(){
if(text != txtBox.value) return;
var scrollTop = txtBox.scrollTop;
var extra = ''
if(onlyUp) {
var $txtBox = $(txtBox);
var lineHeight = parseFloat($txtBox.css('line-height'));
if(isNaN(lineHeight)) lineHeight = 1.2 * parseFloat($txtBox.css('font-size'));
var rows = Math.floor($txtBox.height() / lineHeight);
extra = '\n'.repeat(rows-1);
}
txtBox.value = text.slice(0,end) + extra;
txtBox.scrollTop = txtBox.scrollHeight;
txtBox.value = text;
txtBox.setSelectionRange(start,end);
if(((txtBox.scrollTop - scrollTop) * (onlyUp? -1 : 1)) < 0) txtBox.scrollTop = scrollTop;
})
}
if(!String.prototype.trimRight) String.prototype.trimRight = function(){return this.replace(/\s+$/,'');};
var gabcSettings={trimStaff:true,showSyllableEditorOnHover:true,showSyllableEditorOnClick:true};
var uuid;
// lower-staff ext: 0xe1, upper: 0xe2
var _indicesChar = {
flat: [0xE0F1,0xe340,0xE0F2,0xe341,0xE0F3,0xe342,0xE0F4,0xe343,0xE0F5,0xe344,0xE0F6,0xe345,0xE0F7],
natural: [0xE0F9,0xe346,0xE0FA,0xe347,0xE0FB,0xe348,0xE0FC,0xe349,0xE0FD,0xe34A,0xE0FE,0xe34B,0xE0FF],
flat_line: 0xe340, // these only exist for lines (bdfhjl)
natural_line: 0xe346,
punctum: 0xE103,
diamond: 0xE113,
virga: 0xE123,
v: 0xE123,
leftVirga: 0xE133,
quilisma: 0xE143,
w: 0xE143,
bottomPartPodatus: 0xE154,
topPartPodatus: 0xE163,
podatus: [
null,
0xE173,
0xE183,
0xE194,
0xe1a3
],
o: 0xe1b3,
O: 0xe1c3,
diamond_tilde: 0xe1d3,
">": 0xe1e3,
"<": 0xe1f3,
upper_tilde: 0xe203,
lower_tilde: 0xe213,
porrectus: [
null,
0xe223,
0xe233,
0xe243,
0xe253
],
r: 0xe273,
s: 0xe283,
custos: 0xe2a3,
'+': 0xe2a3,
dot: 0xe2b3,
apos: 0xe2c2, //ichtus
ictus: 0xe2c2,
ictus_above:0xe2c5,
ictus_below:0xe2c2,
underscore: 0xe2d2,
episema: 0xe2d2,
episema_below:0xe2d2,
episema_above:0xe2d5,
underscore_longer: 0xe2e2,
episema_longer: 0xe2e2,
clivis: [
null,
0xe303,
0xe313,
0xe323,
0xe333
],
accent_above_staff: 0xe34c, // four different heights
connecting_line: [
undefined,
undefined,
0xe703,
0xe713,
0xe723,
0xe733
],
decorative_line: [
undefined,
0xe743,
0xe753,
0xe763,
0xe773,
0xe783
]
};
var vCodes = {
Abar: 'a',
Vbar: 'v',
Rbar: 'r'
};
// var _indicesLig = {
// flat: 'b', // these only exist for spaces (acegikm)
// natural: 'a', // ditto
// punctum: 'p',
// diamond: 'n',
// virga: 'v',
// v: 'v',
// leftVirga: 'c',
// quilisma: 'q',
// w: 'q',
// podatus: 'P',
// bottomPartPodatus: 0xE154,
// topPartPodatus: 'P',
// o: 'o',
// O: 'O',
// diamond_tilde: 'N',
// ">": 'L',
// "<": 'k',
// upper_tilde: 'K',
// lower_tilde: 'l',
// porrectus: 'R',
// r: 'w',
// s: 's',
// custos: 'u',
// '+': 'u',
// dot: '.',
// apos: 'I', //ichtus
// ictus: 'I',
// ictus_above: 'I',
// ictus_below: 'i',
// underscore: 'H',
// episema: 'H',
// episema_above: 'H',
// episema_below: 'h',
// underscore_longer: 0xe2e2,
// episema_longer: 0xe2e2,
// clivis: 'C',
// accent_above_staff: '~', // four different heights
// connecting_line: 'x',
// decorative_line: 'X'
// };
var fontclass = "goudy"
// var _neumeLig=function(a,b){
// if(arguments.length<2)return"";
// if(typeof(a)!=="string") {
// if(arguments.length==2 && typeof(a)=="number"){
// return _neumeChar(a,b);
// }
// return"";
// }
// var result='';
// var i=1;
// while(i<arguments.length){
// result += _ci[arguments[i++]];
// }
// return result + a;
// }
var _neumeChar=function(a,b){
if(arguments.length<2)return"";
var base=a;
var a,b;
a=parseInt(b);
b=0;
if(typeof(base)=='object'){
if(arguments.length>2)b=parseInt(arguments[2]);
base=base[Math.abs(b-a)];
if(arguments.length==2)a=0;
}
return String.fromCharCode(base + a);
}
// var _clefSpanLig=function(tone){
// var line = parseInt(tone.clef.slice(-1),10);
// var num=line*2-1;
// var extra="";
// if(tone.clef.length==3) {
// extra += neume(indices.flat,num+1) + "-";
// }
// return make('tspan',String(num) + (tone.index==2? "d" : "f") + "-" + extra);
// }
var _clefSpanChar=function(tone,minDy){
var result,
line = parseInt(tone.clef.slice(-1),10),
dy = 0,
curChar;
if(tone.index == 2) {
curChar = "d-";
dy = 2 - line;
} else {
curChar = "f-";
dy = 3 - line;
}
if(tone.clef.length==3) {
curChar += neume(indices.flat,4) + "-";
}
dy *= spaceheight;
minDy[0] = Math.min(minDy[0],dy);
result=make('tspan',curChar);
result.setAttribute('dy', dy);
return result;
}
var _ci=['B','A','0','1','2','3','4','5','6','7','8','9','Z'];
var staffheight = 48;
var spaceheight = staffheight / 4;
var notewidth = staffheight / 6;
var spaceBetweenNeumes = notewidth;
var slashSpace = staffheight/20;
var verticalSpace = staffheight/4;
var fontsize = spaceheight*3/2;
var spaceWidth = spaceheight * 3/4;
var staffoffset = Math.ceil(staffheight - spaceheight/2);
var svgns = "http://www.w3.org/2000/svg";
var xlinkns="http://www.w3.org/1999/xlink";
var staffInFont = false;
var fontExt='ttf';
var fontExtS='svg#webfont';
var fontFormat="truetype";
var fontFormatS="svg";
var filenameCaeciliae = "Caeciliae-" + (staffInFont? "Regular." : "Staffless.")+fontExt;
var filenameCaeciliaeS = "Caeciliae-" + (staffInFont? "Regular." : "Staffless.")+fontExtS;
var filenameCaeciliaePrint = "Caeciliae-" + (staffInFont? "Regular" : "Staffless")+"-Print."+fontExt;
var localCaeciliae = "Caeciliae" + (staffInFont? "" : " Staffless");
var familyCaeciliae = "Caeciliae" + (staffInFont? "" : " Staffless");
var styleCaeciliae = "font-family: '"+familyCaeciliae+"'; font-size:" + staffheight + "px;";
var styleCaeciliaeSvg="font-family: '"+familyCaeciliae+" SVG'; font-size:" + staffheight + "px;";
var styleGoudy = "font-family: 'Crimson Text';" + " font-size: " + fontsize + "px;";
var styleFont="@font-face {font-family: '"+familyCaeciliae+"'; font-weight: normal; font-style: normal;src: local('"+localCaeciliae+"'); src: url('"+filenameCaeciliae+"') format('"+fontFormat+"')}"
+ "@font-face {font-family: '"+familyCaeciliae+" SVG'; font-weight: normal; font-style: normal;src: url('"+filenameCaeciliaeS+"') format('"+fontFormatS+"')}"
+ "@font-face {font-family: '"+familyCaeciliae+" Print'; font-weight: normal; font-style: normal;src: url('"+filenameCaeciliaePrint+"') format('"+fontFormat+"')}"
+ "@font-face { font-family: 'Crimson Text'; src: url('fonts/crimson-bold-webfont.woff2') format('woff2'), url('fonts/crimson-bold-webfont.woff') format('woff'); font-weight: bold; font-style: normal; }"
+ "@font-face { font-family: 'Crimson Text'; src: url('fonts/crimson-italic-webfont.woff2') format('woff2'), url('fonts/crimson-italic-webfont.woff') format('woff'); font- weight: normal; font-style: italic; }"
+ "@font-face { font-family: 'Crimson Text'; src: url('fonts/crimson-roman-webfont.woff2') format('woff2'), url('fonts/crimson-roman-webfont.woff') format('woff'); font- weight: normal; font-style: normal; }";
var svgWidth;
var _svg,svg;
var textElem;
var codea = 'a'.charCodeAt(0);
var codem = codea + 12;
var codeA = 'A'.charCodeAt(0);
var codeM = codeA + 12;
var regexLatinLongPenult = /([ao]e|au|[aeiouyāēīōūȳăĕĭŏŭäëïöüÿ])(?!([bcdgkpt][rl]|qu|[bcdfghjklmnprstvy])[aeiouyāēīōūȳăĕĭŏŭäëïöüÿ])((?:[bcdfghjklmnprstvy]{2,}|[xz])(?:[ao]e|au|[aeiouyāēīōūȳăĕĭŏŭäëïöüÿ])[bcdfghjklmnprstvxyz]*)$/i;
var regexTranslate=/translate\((-?\d+(?:\.\d+)?)(?:[,\s]\s*(-?\d+(?:.\d+)?))?\)/;
var regexTranslateG=/translate\((-?\d+(?:\.\d+)?)(?:[,\s]\s*(-?\d+(?:.\d+)?))?\)/g;
var regexHeaderEnd=/(?:^|\n)%%\s?\n/;
var regexOuter = /((([^\(\r\n]+)($|\())|\()([^\)]*)($|\))(?:(\s+)|(?=(?:\([^\)]*\))+(\s*))|)/g;
var regexTag = /<(\/)?(\w+)>/i;
var regexSqBrackets = /\[([^\]]*)(?:\]|$)/;
var regexTags= /(<\w+>)(.*?)(?:(<\/\1>)|$)/i;
var regexTagsSp = /<sp>([^<]*)<\/sp>/gi;
var spSubstitutions = {
"'ae": 'ǽ',
"'æ": 'ǽ',
"ae": 'æ',
"oe": 'œ',
"'œ": 'œ',
"'oe": 'œ',
"AE": 'Æ',
"OE": 'Œ',
"Ae": 'Æ',
"Oe": 'Œ',
"V/": 'V',
"R/": 'R',
"A/": 'A'
};
String.prototype.replaceSpTags = function(){
return this.replace(regexTagsSp,function(s){
var tmp = s.slice(4,-5);
return spSubstitutions[tmp]||tmp;
});
}
var regexInner = /[!\/ ,;:`]+|(([^\)!\/ ,;:`\[]+)(\[[^\]]*(?:$|\]))?)+/g;
var rog = {
syl:3,
gabc:5,
whitespace:7
}
var linkSelector="";
var linkDownloadSelector="";
var setPdfLinkSelector=function(sel){
linkSelector=sel;
};
var onDragStart=function(e){
console.info(e);
e.originalEvent.dataTransfer.setData("DownloadURL",this.getAttribute("data-downloadurl"));
};
var setGabcLinkSelector=function(sel){
linkDownloadSelector=sel;
$(sel).bind("dragstart",onDragStart);
};
var regexToneModifiers = /(')|(\.{1,2})|(_{1,4}0?)/g
var regexTones = new RegExp("([/ ,;:`]+)|((?:[fF]|[cC][bB]?)[1-4])|(?:(-)?(([A-M])|([a-m]))(([Vv]{1,3})|(s{1,3})|((<)|(>)|(~))|(w)|(o)|(O)|((x)|(y))|(q)|((R)|(r0)|(r(?![1-5])))|(r[1-5])|(\\+))?((?:" + regexToneModifiers.source.replace(/\((?!\?:)/g,"(?:") + ")*)(?:\\[([^\\]]*)(?:]|$))?|(z0))","g");
// /([\/ ,;:`]+)|([cfCF][1-4])|(?:(-)?(([A-M])|([a-m]))(([Vv]{1,3})|(s{1,3})|((<)|(>)|(~))|(w)|(o)|(O)|((x)|(y))|(q)|((R)|(r0)|(r(?![1-5])))|(r[1-5]))?((?:(?:')|(?:\.{1,2})|(?:(?:_0?){1,4}))*)|(z0))|\[([^\]]*)(?:\]|$) )*)|(z0))|\[([^\]]*)(?:\]|$)
// /([\/ ,;:`]+)|([cfCF][1-4])|(?:(-)?(([A-M])|([a-m]))(([Vv]{1,3})|(s{1,3})|((<)|(>)|(~))|(w)|(o)|(O)|((x)|(y))|(q)|((R)|(r0)|(r(?![1-5])))|(r[1-5]))?((?:(?:')|(?:\.{1,2})|(?:(?:_0?){1,4}))*)|(z0))|\[([^\]]*)(?:\]|$)
var regexTonesSpliceIndex=27;
var regexToneModifiersCount = 4;
var rtg = {
whitespace: 1,
clef: 2,
initioDebilis: 3,
tone: 4,
toneUpper: 5, // diamond
toneLower: 6,
noteType: 7, // (([Vv]{1,3})|(s{1,3})|((<)|(>)|(~))|(w)|([oO])|([xy])|(q)]|(R|r0|r(?![1-5]))|(r[1-5])|(\+))
virga: 8, // [Vv]{1,3}
stropha: 9, // s{1,3}
liquescentia: 10, // [<>~]
ascendingLiquescentia: 11, // <
descendingLiquescentia: 12, // >
diminutiveLiquescentia: 13, // ~
quilisma: 14, // w
oriscus: 15, // o
oriscusReverse: 16, // O
accidental: 17, // [xy]
flat: 18, // x
natural: 19, // y
q: 20, // q
lineaPunctum: 22, // R
lineaPunctumCavum: 23, // r0
punctumCavum: 24, // r
rNumber: 25, // r[1-5]
custos: 26, // \+
ictus: 27, // (')
dot: 28, // (\.{1,2})
episema: 29, // ((?:_0?)){1,4})
bracketed: 30, // [text]
autoCustos: 31 // z0
};
//var regexVowel = /(?:[cgq]u(?=[aeiouyáéëíóúýæœ])|[iy])?([aá]u|[ao][eé]?|[aeiouyáéëíóúýæœ])/i;
//var regexVowel = /(?:[cgq]u(?=[aeiouyáéëíóúýæœ])|[iy])?([aá]u|[ao][eé]?|[aeiouyáéëíóúýæœ])/i;
var regexVowel = /(?:[cgq]u|[iy])?([aeiouyáäąéëęíïóöúüýÿǽæœ́œ]+)/i;
var transforms = [['/',' ',',',';',':','`',''],
["'",'_','+',';','|',',',''],
[/\//g,/ /g,/,/g,/;/g,/:/g,/`/g,/!/g]];
var abcs = {};
var _defs = null;
var defText = null;
var _defText = null;
var defChant = null;
var masks = [];
var selectedPunctum=-1;
var selectedNeume=-1;
var selectedPunctumTag=null;
var selectedNeumeTag=null;
var selectedNeumeTextTag=null;
var syllableGabcIndex = -1;
var syllableGabcPrefix='';
var syllableGabcSuffix='';
var syllableGabcOriginalLength=0;
var syllableTextIndex = -1;
var syllableTextPrefix='';
var syllableTextSuffix='';
var syllableTextOriginalLength=0;
var syllableTextTag=null;
var syllableOffsetCorrection = {};
var _timeoutGabcUpdate = null;
var _minUpdateInterval = 1700;
var _heightCorrection = 0;
var utf8_bom=String.fromCharCode(0xEF)+String.fromCharCode(0xBB)+String.fromCharCode(0xBF);
function encode_utf8( s )
{
return utf8_bom+unescape( encodeURIComponent( s ) );
}
function decode_utf8( s )
{
return decodeURIComponent( escape( s ) );
}
function Header(text){
if(typeof(text)!='string') text='';
this.comments=[];
this.cValues={};
this.original='';
var match=text.match(regexHeaderEnd);
if(match){
var txtHeader = this.original = text.slice(0,match.index+match[0].length);
var lines = txtHeader.split(/\r?\n/g);
for(var i=0; i<lines.length; ++i){
var line=lines[i],
match = regexHeaderLine.exec(line);
if(match){
if(this[match[1]]) {
var arrayName=match[1]+'Array';
if(!this[arrayName]){
this[arrayName] = [this[match[1]]];
}
this[arrayName].push(match[2]);
} else {
this[match[1]]=match[2];
}
} else if((match = regexHeaderComment.exec(line))){
if(line!='%%'){
match = regexHeaderLine.exec(line.slice(1));
if(match){
this.cValues[match[1]]=match[2];
} else {
this.comments[i]=line;
}
}
}
}
}
}
Header.prototype.toString = function(){
var result=[];
for(key in this){
if(key=='length' || key=='original' || key=='comments' || key=='cValues' || (typeof this[key])!="string")continue;
var array = this[key+'Array'];
if(array) {
for(var i=0; i<array.length; ++i) {
result.push(key + ': ' + array[i] + ';');
}
} else {
result.push(key + ': ' + this[key] + ';');
}
}
for(key in this.cValues){
if(key.length==0 || !this.cValues.hasOwnProperty(key))continue;
result .push('%'+key + ': ' + this.cValues[key] + ';');
}
for(i in this.comments){
if(!this.comments.hasOwnProperty(i)) continue;
try{
result.splice(i,0,this.comments[i]);
} catch(e){}
}
return result.join('\n') + '\n%%\n';
};
function getHeaderLen(text){
var match=text.match(regexHeaderEnd);
if(match){
return match.index+match[0].length;
} else {
return 0;
}
}
var regexHeaderLine = /^([\w-_]+):\s*([^;\r\n]*)(?:;|$)/i;
var regexHeaderComment = /^%.*/;
function getHeader(text){
return new Header(text);
}
function updateLinks(text){
var header=getHeader(text);
if(header){
text = text.slice(header.original.length);
} else {
header = '%%\n';
}
if(linkSelector){
$(linkSelector).attr("href","http://gregorio.gabrielmass.com/cgi/process.pl?gregtext="
+ window.escape(header+text) + "&gregfontselect=17&gregtextfontselect=12&greginitialselect=43&gregspaceselect=7mm&gregredselect=N&greglinethickselect=10&gregpaperselect=letterpaper&gregfaceselect=libertine&gregcropselect=N");
}
try {
if(linkDownloadSelector){
var utf8=encode_utf8(header+text);
var url="data:text/plain;charset=utf8;base64,"+btoa(utf8);
var filename = header.name||"Untitled";
if(!filename.match(/\.gabc$/))filename += ".gabc";
$(linkDownloadSelector).attr("charset","UTF-8")
.attr("href",url)
.attr("data-downloadurl","text/plain:"+filename+":"+url);
}
} catch(e) {
}
return [header,text];
}
var gabcProcessTime = 0;
var _nextUpdate = new Date().getTime();
var dontUpdateChant = false;
var otherElements = [];
function updateChant(text, svg, dontDelay) {
var originalSvg = svg;
var $svg = $(svg);
if(!$svg.is('svg')) {
$svg = $svg.find('svg');
if(!$svg.length) {
$svg = $(_svg).clone().appendTo(svg);
}
svg = $svg[0];
}
if(svg != _svg && otherElements.indexOf(svg)<0 && originalSvg){
otherElements.push(originalSvg);
}
if(dontUpdateChant || !text)return;
var gtext=updateLinks(text);
if(_timeoutGabcUpdate) clearTimeout(_timeoutGabcUpdate);
if(!dontDelay) {
var delay = gabcProcessTime+100;
_timeoutGabcUpdate = setTimeout(function() {updateChant(text,svg,true);},delay);
return;
}
_nextUpdate = new Date().getTime() + 100 + gabcProcessTime;
var startTime=new Date();
text=gtext;
_timeoutGabcUpdate = null;
var old = $(svg).find(">g")[0];
if(!old) return;
var top=[0];
var newElem = getChant(text,svg,old,top);
//svg.replaceChild(newElem,old);
var height = newElem.getBBox().height + top[0] + _heightCorrection - _defText.getExtentOfChar("q").height;
$(svg).height(height);
//svg.setAttribute('height',height);
if(svg.parentNode.tagName.match(/span/i)){
$(svg).css('width',newElem.getBBox().width);
}
gabcProcessTime = new Date() - startTime;
console.info("Update chant time: " + gabcProcessTime);// + "; height: " + _ht + "; correction: "+_heightCorrection);
if(gabcProcessTime > 3000) gabcProcessTime=3000;
}
function make(tag,innerText,attributes) {
var result=document.createElementNS(svgns,tag);
if(innerText)result.appendChild(document.createTextNode(innerText));
if(attributes) {
switch(typeof(attributes)) {
case 'string':
result.setAttribute('class',attributes);
break;
case 'object':
for(a in attributes){
result.setAttribute(a,attributes[a]);
}
break;
}
}
return result;
}
var _txtWidths={};
//returns the width of txt.
// txt can be a string, array of TagInfo objects, or a TSpan tag object.
// if txt is not a string, clas and special can be an index and length to get the width of a substring.
function textWidth(txt,clas,special) {
var i=0;
var len=undefined;
if(txt.length===0)return 0;
if(typeof(clas)=="number" && typeof(special)=="number"){
i=clas;
len=special;
clas='goudy';
special=undefined;
if(len===0)return 0;
}
var dt=special?_defText:defText;
if($.isArray(txt)){
var tw;
var key;
if(txt.length==1 && txt[0].tags.length==0) {
txt = txt[0].text;
if(txt.length==0) return 0;
if(clas==undefined)clas="";
if(i==0 && !len && (key=clas+","+txt) && (tw=_txtWidths[key])) return tw;
} else {
if(i==0 && !len && (key=JSON.stringify(txt)) && (tw=_txtWidths[key])) return tw;
$(dt).empty();
var wid=0;
var idx=0;
txt.forEach(function(e){
var tmp=e.span();
dt.appendChild(tmp);
var sIndex=Math.max(i,idx);
var txtLen = tmp.textContent.length;
var tlen=Math.min(idx+txtLen,i+(len||1000000))-sIndex;
sIndex-=idx;
idx+=txtLen;
try {
if(tlen>0&&sIndex>=0)wid+=tmp.getSubStringLength(sIndex,tlen);
} catch(exception){
console.warn(exception);
}
});
if(key)_txtWidths[key]=wid||dt.getComputedTextLength();
return wid;
}
} else if(typeof(txt)=="object") {
if(txt.childNodes.length==1) {
var temp=txt.firstChild;
var key=$(temp).attr("class").replace(new RegExp('(?:^|\\s)'+fontclass+'(?:\\s|$)|\\s+$','g'),'') + "," + temp.textContent;
var tw=_txtWidths[key];
if(tw)return tw;
}
//txt is a span object hopefully
$(dt).empty().append($(txt).clone());
var wid=dt.getComputedTextLength();
if(key)_txtWidths[key]=wid;
return wid;
}
if(clas)dt.setAttribute("class", clas);
$(dt).text(txt.replace(/ /g,'\u00a0'));
var wid=dt.getSubStringLength(i, len||txt.length);
if(key)_txtWidths[key]=wid;
return wid;
}
function useWidth(use,idx,len) {
if(use.tagName.match(/^use$/i))use = document.getElementById(use.getAttribute('href').slice(1));
if(typeof(idx)=="undefined"){
return getChantWidth(use.textContent);
} else {
// Go through the tspan elements until we get to idx.
var id=0;
var tmp='';
var mostRecent='';
var result=[];
for(var i = 0; i < use.childNodes.length; ++i){
var cNode = use.childNodes[i];
if(id>=idx ){
if(result.length==0 && getChantWidth(cNode.textContent)<=2){
tmp = tmp.slice(0,0-mostRecent.length);
} else mostRecent='';
result.push(getChantWidth(tmp));
if(result.length==2)return result;
tmp=mostRecent;
idx += len;
}
tmp += cNode.textContent;
mostRecent=cNode.textContent;
id+=1;
}
result.push(getChantWidth(tmp));
return result;
}
}
function getChantWidth(text) {
defChant.textContent=text;
return defChant.getComputedTextLength();
}
function selectGabc(start,len,svg){
var e = $('#' + $(svg).parent().attr('for'));
if(e.length==0) e = $('#editor');
start+=getHeaderLen(e.val());
if(e.is(':visible')){
e=e[0];
} else {
e = $("#hymngabc")[0];
var i=0,j;
for(j in _hymnGabcMap){
if(!_hymGabcMap.hasOwnProperty(j)) continue;
if(j>start)break;
i=_hymnGabcMap[j] + start - j;
}
start = i;
}
if(len == -1) {
var m = $(e).val().slice(start).match(/^[^) ]*/);
len = m[0].length;
}
e.select(start,len);
e.selectionStart=start;
e.selectionEnd=start+len;
}
function getTagsFrom(txt){
var tm,r=[];
while(tm = regexTag.exec(txt)) {
r.push(tm[2]);
var lastIndex = tm.index + tm[0].length;
if(tm.index == 0)
txt = txt.slice(tm[0].length);
else txt = txt.slice(0,tm.index) + txt.slice(lastIndex);
}
return r;
}
function tagsForText(txtArray,activeTags){
if(typeof(txtArray)=="string")txtArray=[txtArray];
var result=[];
var txt=txtArray[0];
if(!activeTags)activeTags=[];
var tm;
while(tm = regexTag.exec(txt)) {
var temp=txt.slice(0,tm.index);
if(temp.length>0)result.push(new TagInfo(temp,activeTags));
if(tm[1] != "/") {
if(activeTags.indexOf(tm[2]) < 0) {
activeTags.push(tm[2]);
}
}
else {
var idx = activeTags.indexOf(tm[2]);
if(idx>=0)activeTags.splice(idx,1);
}
var lastIndex = tm.index + tm[0].length;
txt = txt.slice(lastIndex);
}
txtArray[0]=txt;
return result;
}
function TagInfo(txt,tags) {
this.tags = $.merge([],tags||[]);
this.text = txt.replace(/ /g,'\u00a0'); //(\u00a0 == nbsp)
if(tags && tags.indexOf('v')>=0){
this.span = this.spanV;
this.spans = [];
var txt='';
var strings = this.text.match(/\\[^\\\s]*|[^\\]+/g);
for(var i=0; i<strings.length; ++i) {
var s = strings[i];
if(s[0] == '\\') {
s = s.slice(1);
var code = vCodes[s];
if(code) {
this.spans.push({txt:code});
txt += code;
continue;
}
}
this.spans.push(s);
txt += s;
}
this.text = txt;
}
};
TagInfo.prototype.span = function(){
var result=make('tspan',this.text, fontclass + ' ' + this.tags.join(" "));
return result;
};
TagInfo.prototype.spanV = function(){
var c = fontclass + " " + this.tags.join(" ");
var result = make('tspan','',c);
for(var i=0; i<this.spans.length; ++i) {
var s = this.spans[i];
switch(typeof(s)) {
case 'object':
result.appendChild(make('tspan',s.txt,'versiculum'));
break;
case 'string':
result.appendChild(document.createTextNode(s));
break;
}
}
return result;
}
//This function will update the height and y offset of the staff once there is no more chant to be put on it, based on htone and ltone
var finishStaff=function(curStaff){
var result=curStaff.parentNode;
var line = parseInt(curStaff.id.match(/\d+$/)[0]);
var staffInfo=curStaff.info;
var ltone=staffInfo.ltone;
var htone=staffInfo.htone;
ltone = (3 - ltone);
ltone = (ltone <= 0)? 0 : ((ltone * spaceheight)/2);
htone = (htone - 9);
htone = (htone <= 0)? 0 : ((htone * spaceheight)/2);
var y = Math.ceil(0.1*staffheight + fontsize + ltone + htone);
staffInfo.vOffset = staffInfo.y;
if(staffInfo.txtInitial)staffInfo.txtInitial.setAttribute('y',y + staffInfo.y);
if(staffInfo.txtAnnotation)staffInfo.txtAnnotation.setAttribute('y',staffInfo.y+Math.ceil(htone)-25);
staffInfo.eText.setAttribute("y",y);
staffInfo.eTrans.setAttribute('y',y+fontsize);
staffInfo.eText.setAttribute("transform", "translate("+staffInfo.x+","+staffInfo.vOffset+")");
staffInfo.eText.setAttribute("class", "system"+line);
staffInfo.eTrans.setAttribute("transform", "translate("+staffInfo.x+","+staffInfo.vOffset+")");
staffInfo.eTrans.setAttribute("class", "system"+line);
if(result){
var $result = $(result);
$result.append($result.children('text'));
result.appendChild(staffInfo.eText);
result.appendChild(staffInfo.eTrans);
}
if(staffInfo.eTrans.childNodes.length>0){
y += fontsize;
}
if(htone>0) {
staffInfo.vOffset += htone;
if(line==0) {
var heightCorrection = 0;
$(curStaff).children("[id^=neume]").each(function(){
heightCorrection = Math.min(heightCorrection,this.neume.info.mindy);
});
_heightCorrection = heightCorrection + htone;
}
curStaff.setAttribute("transform","translate("+staffInfo.x+", " + (staffInfo.y + htone) + ")");
}
return y;
}
//This function will trim the width of the staff to lign up with the last element on it.
var trimStaff=function(curStaff,width){
var x;
var staffUse=$(curStaff).find("use[href=#staff]");
if(width){
x = width;
} else {
var lastUse=$(curStaff).find("[id^=neume]:last");
var lastText=$(curStaff.parentNode).find("[id^=neumetext]:last");
href=lastUse.attr("href");
if(href) {
if(!/\:$/.exec(href))return;
} else if(!/\|$/.exec(lastUse.text()))return;
var neumeId = /\d+$/.exec(lastUse.prop('id'))[0];
var textId = /\d+$/.exec(lastText.prop('id'))[0];
if(textId > neumeId)return;
x=parseFloat(lastUse.attr("x"));
var transform=lastUse.attr("transform");
var m = regexTranslate.exec(transform);
if(m && m[1])x += parseFloat(m[1]);
x += lastUse[0].neume.wChant;
}
var scale="scale("+x+",1)";
staffUse.attr("transform",function(index,transform){
return transform.replace(/scale\([^\)]*\)/,scale);
});
}
var justifyLine=function(curStaff,useNeumeX,justCommit){
var currentX=0;
var x2=0;
var words=curStaff.words;
if(!justCommit){
var endSpace=2*spaceBetweenNeumes;
x2=svgWidth - curStaff.info.x - endSpace;
var lastUse,lastTspan;
var i=words.length-1;
while(i>=0 && !(lastUse && lastTspan)){
var cWord=words[i--];
var j=cWord.length-1;
while(j>=0 && !(lastUse && lastTspan)){
var tag=cWord[j--];
if(!lastUse && tag.tagName.match(/^use|text$/i) && tag.neume){
lastUse = tag;
continue;
} else if(!lastTspan && tag.tagName.match(/^tspan$/i)){
lastTspan=tag;
continue;
}
}
}
if(lastUse){
if(useNeumeX) {
currentX = lastUse.neume.x + (lastUse.neume.transformX || 0);
} else {
currentX=parseFloat($(lastUse).attr("x"));
var transform=useNeumeX?lastUse.neume.transform : $(lastUse).attr("transform");
var m = regexTranslate.exec(transform);
if(m && m[1])currentX += parseFloat(m[1]);
}
currentX += lastUse.neume.wChant;
}
if(lastTspan){
var tmpX;
if(useNeumeX && lastTspan.neume){
tmpX=lastTspan.neume.x;
} else {
tmpX=parseFloat($(lastTspan).attr("x"));
tmpX += textWidth(lastTspan) - endSpace;
}
currentX=Math.max(currentX,tmpX);
// console.info(tmpX==currentX?lastTspan:lastUse);
}
}
if(justCommit || currentX>0){
var extraSpace=x2-currentX;
var len=words.length-1;
var delta=extraSpace/len;
if(justCommit || extraSpace>0) {
while(len>=0){
words[len].forEach(function(o){
if(o.neume)o.neume.justifyOffset=Math.round(extraSpace);
if($(o).attr("transform")) {
if(useNeumeX && o.neume)$(o).attr("x", o.neume.x);
$(o).attr("transform",function(e,cv){
return "translate("+Math.round(extraSpace + (o.neume&&o.neume.transformX||0))+")";
});
} else {
$(o).attr("x",function(e,cv){
return (useNeumeX? o.neume.x : (cv?parseFloat(cv):0)) + Math.round(extraSpace);
});
}
});
extraSpace -= delta;
--len;
}
}
}
}
var addCustos=function(staff,cneume,justify,custosXoffset) {
var tone = cneume.info.ftone;
var neumeText = neume(indices.custos,tone);
var t = staff.custos;
if(t){
t.textContent = neumeText;
if(staff.custosLedger)try{staff.removeChild(staff.custosLedger);delete staff.custosLedger;}catch(e){}
} else {
t = make('text',neumeText);
t.setAttribute('class',defChant.getAttribute('class'));
t.setAttribute('y',0);
}
if(justify || typeof(justify)=="undefined"){
justifyLine(staff,typeof(cneume.x)!='undefined');
justify=true;
}
var x2=justify? svgWidth - staff.info.x - (staffheight/15) : custosXoffset;
t.setAttribute('x',x2);
staff.appendChild(t);
staff.custos=cneume.custos=t;
var ledgerAbove=tone>10;
var ledgerBelow=tone<2;
if(ledgerAbove||ledgerBelow)staff.custosLedger=cneume.custosLedger=insertLedger(ledgerAbove,staff,t,true);
}
function relayoutChant(svg, width){
width = svgWidth = width || svg.parentNode.clientWidth;
var $svg = $(svg),
$svgg = $svg.children('g'),
$tmp = $svg.find('#commentary'),
x = 0,
xChantMin = 0,
staffI = 0,
neumeI = 0,
$staff = $svg.find('#system'+staffI),
curStaff = $staff[0],
$neume,
$text,
$trans,
$all,
staffInfo = $staff[0].info,
cneume,
pneume,
$lastText,
needCustos,
defs = $svg.find("defs")[0],
extraHeight = staffInfo.y,
offset,
curWord = [],
curSyl,
currentUse,
words = [],
maxX = width - staffInfo.x - spaceBetweenNeumes;
tagsBetweenText = [];
svg = $svg[0];
staffInfo.ltone = 3;
staffInfo.htone = 10;
if($tmp.length)$tmp.attr('x',width-$tmp[0].getComputedTextLength());
while(true){
pneume = cneume;
$lastText = $text;
$neume = $svgg.find('#neume'+neumeI);
$text = $svgg.find('#neumetext'+neumeI);
$trans = $svgg.find('#neumetrans'+neumeI);
cneume = $neume[0]? $neume[0].neume : ($text[0]? $text[0].neume : {match:{}});
delete cneume.custos;
var $mask = $svgg.find('#neumemask'+neumeI);
$all = $().add($neume).add($text).add($trans).add($mask);
curSyl = $all.toArray();
currentUse = $neume.toArray().concat($mask.toArray());
var hasLedgers = false;
for(i in cneume.ledgers){
if(!cneume.ledgers.hasOwnProperty(i)) continue;
hasLedgers = true;
break;
}
offset = cneume.offset || 0;
if($all.length == 0) {
break;
}
xChantMin += Math.min(0,offset);
if(cneume.wChant > 0 && (x < xChantMin || !$text.length)) {
x = xChantMin;
} else if(pneume.lastOnLineHyphen){
$(pneume.lastOnLineHyphen).remove();
delete pneume.lastOnLineHyphen;
}
var nextXTextMin = $text.length?
x + cneume.wText + Math.max(Math.floor(offset),0)
: nextXTextMin||0;
if(cneume.match[7]&&cneume.match.index>0)nextXTextMin+=5;
var nextXChantMin = x + cneume.wChant + (cneume.spaceBeforeNextNeume || spaceBetweenNeumes) - Math.min(offset,0);
var lastX;
cneume.x = x;
if(Math.max(nextXTextMin, nextXChantMin) > maxX){
var clef = lastClefBeforeNeume(neumeI,svg);
var wClef = clef? clef.wChant : 0;
if($lastText.length && !pneume.lastOnLineHyphen && !$lastText.text().slice(-1).match(/-|\s/)){
pneume.lastOnLineHyphen = new TagInfo('-').span();
$lastText.append(pneume.lastOnLineHyphen);
}
nextXTextMin -= x;