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transcript.js
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transcript.js
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define([
'jquery',
'ckeditor',
'utils'
], function($, CKEditor, Utils)
{
var editor;
var loadedAsset;
var underline = function() { editor.execCommand('underline'); };
var strike = function() { editor.execCommand('strike'); };
var defaultData = '<p> </p><p align="center" class="black">Please open a media asset or edit to start.</p>';
var keyWhitelist = /^[a-zA-Z0-9]+$/;
var id;
var play;
var pause;
var seek;
var updateEDL;
var updateSpeakers;
var hasChanged = false;
var save = function(underlinedOnly) {
if (editor)
{
// process transcript
var words = Utils.HTMLtoWords(editor.getData(), underlinedOnly);
var edit = {
transcript: {words: words},
html: editor.getData(),
edl: Utils.wordsToEDL(words)
};
hasChanged = false;
return edit;
}
};
var load = function(transcript, format, assetUrl) {
if (editor) {
pause();
loadedAsset = assetUrl;
// load new transcript
if (format == 'json') {
editor.setData(Utils.transcriptToHTML(transcript));
} else if (format == 'html') {
editor.setData(transcript);
} else {
return -1;
}
refresh(true);
updateSpeakers();
editor.resetUndo();
hasChanged = false;
}
};
var unload = function() {
load(defaultData, 'html', null);
};
var wordClick = function(e)
{
// select entire word
var selection = editor.getSelection();
var range = editor.createRange();
var start = selection.getRanges()[0].startContainer;
var end = selection.getRanges()[0].endContainer;
range.setStartAt(start, CKEditor.POSITION_AFTER_START);
range.setEndAt(end, CKEditor.POSITION_BEFORE_END);
//range.setEnd(range.endContainer, range.endOffset - 1);
editor.getSelection().selectRanges([range]);
var time = $(start.$.parentElement).data('start');
if ($('#playButton i').hasClass('play')) seek(time/1000);
showTimestamps();
};
var showTimestamps = function() {
var selection = editor.getSelection();
var range = editor.createRange();
var startElement = selection.getRanges()[0].startContainer.$.parentElement;
var endElement = selection.getRanges()[0].endContainer.$.parentElement;
if ($(startElement).is(endElement)) {
$(startElement).popup({
on: 'manual',
exclusive: true
}).popup('show');
} else {
$(startElement).popup({
on: 'manual',
exclusive: true,
position: 'top left'
}).popup('show');
$(endElement).popup({
on: 'manual',
position: 'bottom right'
}).popup('show');
}
};
var hideTimestamps = function() {
$(document).popup('hide all');
};
var wordDblClick = function(e) {
var start = $(editor.getSelection().getRanges()[0].startContainer.$.parentElement).data('start');
seek(start/1000);
hideTimestamps();
//play(1.0);
};
var keyHandler = function(e)
{
// find selection details
var selection = editor.getSelection();
var range = selection.getRanges()[0];
var startElement = $(range.startContainer.$.parentElement);
var endElement = $(range.endContainer.$.parentElement);
hideTimestamps();
if (e.data.domEvent.$.ctrlKey || e.data.domEvent.$.metaKey) return true;
// if there is a selection
if (!range.collapsed)
{
// if delete or backspace key is pressed, wrap in <s>
if (e.data.keyCode == 46 || e.data.keyCode == 8)
{
editor.execCommand('strike');
return false;
}
// if space is pressed, click the play/pause button
else if (e.data.keyCode == 32)
{
$('#playButton').click();
return false;
}
// if return key is pressed, move pointer to beginning of word
else if (e.data.keyCode == 13 || e.data.keyCode == CKEditor.SHIFT + 13)
{
var newRange = editor.createRange();
var start = range.startContainer;
newRange.setStartAt(start, CKEditor.POSITION_AFTER_START);
newRange.setEndAt(start, CKEditor.POSITION_AFTER_START);
editor.getSelection().selectRanges([newRange]);
setTimeout(function() { updateSpeakers(); }, 500);
return true;
}
}
// if more than one word was selected
if (!startElement.is(endElement) &&
keyWhitelist.test(String.fromCharCode(e.data.keyCode)))
{
// calculate start and end times of selection and replace with one word
var start = startElement.data('start');
var end = endElement.data('end');
var next = endElement.data('next');
editor.insertHtml('<a data-start="'+start+
'" data-end="'+end+
'" data-next="'+next+
'" data-content="'+Utils.millisecFormat(start)+'">'+
'</a>', 'unfiltered_html');
startElement.remove();
endElement.remove();
return true;
}
};
var initialize = function(options) {
id = options.id;
play = options.play;
pause = options.pause;
seek = options.seek;
updateEDL = options.edl;
updateSpeakers = options.speakers;
editor = CKEditor.inline(id, {
plugins: 'basicstyles,undo,enterkey',
resize_enabled: false,
allowedContent: 'a p[*](*); u s',
title: false,
coreStyles_bold: {
element: 'u',
childRule: function(e) { return (e.is('a') && !e.is('p')); }
},
coreStyles_strike: {
element: 's',
childRule: function(e) { return (e.is('a') && !e.is('p')); }
},
enterMode: CKEditor.ENTER_P,
shiftEnterMode: CKEditor.ENTER_P,
on: {
//selectionChange: wordClick,
blur: hideTimestamps,
doubleclick: wordDblClick,
change: function() { hasChanged = true; },
key: keyHandler,
afterCommandExec: function (e) {
if (e.data.name == 'strike') {
pause();
refresh(false);
}
},
contentDom: function() {
$('#'+id).mouseup(wordClick);
$('#'+id).mousedown(hideTimestamps);
$('#'+id).on('cut paste drop', function() { return false; });
}
}
});
};
var refresh = function(seekToZero) {
if (loadedAsset) {
updateEDL(Utils.wordsToEDL(Utils.HTMLtoWords($('#'+id).html(), false)), loadedAsset, seekToZero);
return true;
}
return false;
};
return {
initialize: initialize,
load: load,
unload: unload,
save: save,
underline: underline,
strike: strike,
refresh: refresh,
hasChanged: function() { return hasChanged; }
};
});