speedtrans/chrome/content/classes.js

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JavaScript
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2010-02-22 14:19:53 +00:00
//elem = string (elementId to make TextArea)
var TextArea = function(elem) {
this.elem = $('#' + elem);
this.hasFocus = false;
this.width = this.elem.width();
this.init()
}
TextArea.prototype.init = function() {
var that = this;
var e = this.elem;
var tc;
e.focus(function() {
that.hasFocus = true;
}).blur(function() {
that.hasFocus = false;
});
e.dblclick(function() {
if (tc = that.isTc()) {
Video.set(tc);
} else {
that.insertTc();
}
Video.togglePause();
});
}
//returns tc in ms if cursor is at a time-code, else returns false
TextArea.prototype.isTc = function() {
var that = this;
var e = this.elem;
var eDom = e.get(0);
var val = e.val();
var pos = eDom.selectionStart;
var word = this.getWord(pos);
if (isValidTimecode(word)) {
return npt2ms(word);
} else {
return false;
}
}
//inserts current timecode at cursor position
TextArea.prototype.insertTc = function() {
var that = this;
var e = that.elem;
var eDom = e.get(0);
var scrollTop = eDom.scrollTop;
var val = this.elem.val();
var pos = eDom.selectionStart;
var tcNpt = ms2npt(Video.get());
var newVal = val.substring(0,pos) + "\n" + tcNpt + "\n" + val.substring(pos, val.length);
e.val(newVal);
e.focus();
eDom.selectionStart = pos + tcNpt.length + 1;
eDom.selectionEnd = pos + tcNpt.length + 1;
eDom.scrollTop = scrollTop + 15;
}
//gets the word at character pos (int) [in val (str)]
TextArea.prototype.getWord = function(pos, val) {
if (!val) {
val = this.elem.val();
}
var c;
var i = pos;
var j = pos;
while (c != " " && c != "\n") {
if (i==0) {
i = -1;
break;
}
i--;
c = val.substring(i,i+1);
}
var firstLetter = i+1;
var d;
while (d != " " && d != "\n") {
if (j >= val.length) {
break;
}
j++;
d = val.substring(j,j+1);
}
var lastLetter = j;
var word = val.substring(firstLetter, lastLetter);
return word;
}
//takes an srt as param, loads into txtarea
TextArea.prototype.fromSrt = function(srt) {
var spans = [];
srt = srt.replace('\r\n|\r|\n', '\n')
srt = strip(srt);
var srt_ = srt.split('\n\n');
for(s in srt_) {
st = srt_[s].split('\n');
if(st.length >=2) {
var n = st[0];
var i = strip(st[1].split(' --> ')[0]);
var o = strip(st[1].split(' --> ')[1]);
var t = st[2];
if(st.length > 2) {
for(j=3; j<st.length;j++) {
t += '\n'+st[j];
}
}
var is = toSeconds(i);
var os = toSeconds(o);
spans[spans.length] = new Span(is, os, t, spans.length);
}
}
var out = '';
for (span in spans) {
if (spans.hasOwnProperty(span)) {
var sp = spans[span];
out += ms2npt(sp.tcInMs) + "\n";
out += sp.text;
out += "\n";
//If the outpoint of current span is equal to inpoint of next span, dont print out timecode, and just add the extra \n to go to next span.
if (span < spans.length - 1) {
var p = parseInt(span) + 1;
if (spans[p].tcInMs != sp.tcOutMs) {
out += ms2npt(sp.tcOutMs) + "\n\n";
} else {
out += "\n";
}
}
}
}
this.elem.val(out);
}
function strip(s) {
return s.replace(/^\s+|\s+$/g,"");
}
function toSeconds(t) {
var s = 0.0;
if(t) {
var p = t.split(':');
for(i=0;i<p.length;i++) {
s = s * 60 + parseFloat(p[i].replace(',', '.'))
}
}
return s;
}
function spansToSrt(arr, fmt, start_no) {
if (typeof start_no == 'undefined') {
start_no = 1;
}
var srt = '';
var srtNo = start_no;
for (var k=0; k < arr.length; k++) {
var s = arr[k];
if (s.text.trim() == '') {
} else {
var text = s.text.trim();
linebreaksRegex = new RegExp('\n+', "g")
text = text.replace(linebreaksRegex, "\n");
if (!s.tcOutMs) {
s.tcOutMs = parseInt(Video.player.duration * 1000);
}
if (fmt == 'srt') {
srt += srtNo + " ";
srt += "\n";
srt += "0" + ms2npt(s.tcInMs).replace(".", ",") + " --> " + "0" + ms2npt(s.tcOutMs).replace(".", ",");
srt += "\n";
srt += text;
srt += "\n\n";
}
else if (fmt == 'enc') {
srt += srtNo + ms2frames(s.tcInMs) + " " + ms2frames(s.tcOutMs) + " " + text;
srt += "\n\n";
}
srtNo++;
}
}
return srt;
}
//returns textarea formatted to .srt
TextArea.prototype.toSrt = function(fmt) {
if (!fmt) var fmt = 'srt';
var text = this.elem.val();
var lines = [];
lines = text.split("\n");
var i=0;
var j=0;
spans = [];
while (i < lines.length) {
var l = lines[i];
if (isValidTimecode(l.trim())) {
var tcIn = l.trim();
var t = "";
var thisLine = '';
while (!isValidTimecode(thisLine.trim())) {
i++;
if (i >= lines.length) {
break;
}
thisLine = lines[i];
if (!isValidTimecode(thisLine.trim())) {
t += thisLine + "\n";
}
}
spans[j] = new Span(tcIn, thisLine, t, j);
j++;
} else {
i++;
}
}
var srt = spansToSrt(spans, fmt);
// console.log(srt);
return srt;
}
//Using spans as GLOBAL is ridiculous - please fix.
TextArea.prototype.addTime = function(ms, start_no) {
// console.log(ms);
if (typeof spans == 'undefined') {
this.toSrt();
}
var s = [];
for (var i=0; i<spans.length;i++) {
s[i] = {
index: i,
tcOutMs: spans[i].tcOutMs + ms,
text: spans[i].text,
tcInMs: spans[i].tcInMs + ms
}
}
return spansToSrt(s, 'srt', start_no)
}
//creates new Span (tcIn and tcOut in npt format)
var Span = function(tcIn, tcOut, text, index) {
this.index = index;
this.tcOutMs = npt2ms(tcOut);
this.text = text;
this.tcInMs = npt2ms(tcIn);
}
var SeekBar = function(elem) {
this.elem = $('#' + elem);
this.pointerId = "seekPointer";
this.width = this.elem.width();
this.init()
}
SeekBar.prototype.init = function() {
var that = this;
var e = $('<div />');
e.attr("id", that.pointerId);
e.draggable({
containment: 'parent',
axis: 'horizontally',
drag: function() {
clearInterval(videoListener);
var pos = that.get();
$('#timeCode').html(ms2npt(pos));
},
stop: function() {
var pos = that.get();
Video.set(pos);
videoListener = setInterval(Video.listener, 250);
}
});
that.elem.append(e);
this.pointerElem = e;
}
//gets current time-code (int) of seekbar position
SeekBar.prototype.get = function() {
var cssPos = parseInt(this.pointerElem.css("left"));
var pos = parseInt((cssPos / this.width) * (Video.player.duration * 1000));
return pos;
}
//sets seek bar css pos according to current time-code
SeekBar.prototype.set = function(ms) {
var cssPos = parseInt(((ms / 1000) / Video.player.duration) * this.width);
this.elem.css("left", cssPos + "px");
}
/*
var KeyboardController = function() {
this.
}
*/
function loadSrt(filename) {
// alert("hmm.. you have a .srt file but not a txt file - this is a bug. sorry.");
var txt = mozillaLoadFile(filename);
textArea.fromSrt(txt);
}
function loadMeta(filename) {
var m = mozillaLoadFile(filename);
}
function loadSrtTxt(filename) {
var txt = mozillaLoadFile(filename);
$('#txt').val(txt);
}