function htmlDiff() {
var _htmlHash;
var _revHtmlHash;
var _currentHash;
var _is_debug = false;
function pushHash(tag) {
if (typeof(_htmlHash[tag]) == 'undefined') {
var value = eval('"\\u'+_currentHash.toString(16)+'"');
_htmlHash[tag] = value;
_revHtmlHash[value] = tag;
_currentHash++;
}
return _htmlHash[tag];
}
this.clearHash = function() {
_htmlHash = {};
_revHtmlHash = {};
_currentHash = 44032; //朝鲜文音节 Hangul Syllables
};
function html2plain(html) {
html = html.replace(/<(S*?)[^>]*>.*?|<.*?\/>/g, function(tag){
//debug:
if (_is_debug) {
return pushHash(tag.replace(/</g, '<').replace(/>/g, '>'));
} else {
return pushHash(tag);
}
});
return html;
}
function plain2html(plain) {
var back = '';
for (i=0;i<plain.length;i++){
if(_revHtmlHash[plain[i]]){
back += _revHtmlHash[plain[i]];
}
else{
back += plain[i];
}
}
return back;
};
var dmp = new diff_match_patch();
this.diff = function(first,second){
console.time('html2plain');
var convertedFirst = html2plain(first);
var convertedSecond = html2plain(second);
console.timeEnd('html2plain');
console.time('toDiff');
var diffs = dmp.diff_main(convertedFirst,convertedSecond);
dmp.diff_cleanupSemantic(diffs);
console.timeEnd('toDiff');
var modified = '';
console.time('toModify');
for (i=0;i<diffs.length;i++){
var diff = diffs[i];
if (diff[0]==0){
modified += diff[1];
}
else if (diff[0]==1){
modified += '<ins id='+i+'>'+diff[1]+'</ins>';
}
else {
modified += '<del id='+i+'>'+diff[1]+'</del>';
}
}
console.timeEnd('toModify');
console.time('convertBack');
var complete = plain2html(modified);
console.timeEnd('convertBack');
return complete;
};
};
var userNotification = function(type){
//add code to remove class & add the calls to the notification
if (type == 'play'){
$('.notify').removeClass().addClass('notify').addClass('notifyPlay').show().fadeOut(2000);
}
else if (type == 'pause'){
if(!$('.notify').hasClass('notifyPause') && $('.notify').hasClass('notifyPlay')){
$('.notify').removeClass().addClass('notify').addClass('notifyPause').show().fadeOut(2000);
}
}
else{
$('.notify').removeClass().addClass('notify').addClass('notifyLoad').show().fadeOut(2000);
}
};
var usingLanguageNamespace = 'en';
var infoBox = function (revInfo){
for (key in revInfo){
if(key == 'revid'){
var urlBase = 'https://'+usingLanguageNamespace+'.wikipedia.org/w/index.php?oldid='+revInfo[key];
var anchor =$('<a>'+revInfo[key]+'</a>').attr({'target':'_blank','href':urlBase});
$('#infoBox .revisionLink').html(anchor);
}
else if(key == 'timestamp'){
$('#infoBox .editDate').html(revInfo[key]);
}
else if(key == 'user'){
$('#infoBox .userName').html(revInfo[key]);
}
else{
var minor = revInfo[key]?revInfo[key]:'';
$('#infoBox .minor').html(minor);
}
}
};
function wikiSlider(options){
var url = 'https://en.wikipedia.org/w/api.php?callback=?';
var postDict ={
rvdir:'older',
format:'json',
rawcontinue:'',
action:'query',
prop:'revisions',
titles:'',
rvprop:'user|timestamp|flags|ids|size',
rvlimit:'max',
};
this.height = options.height;
this.barGraphBarwidth = options.barGraphBarwidth;
this.enlargedBarGraphBarwidth = options.enlargedBarGraphBarwidth;
/* Callbacks for the Primary & Secondry slider*/
this.primarySliderCallback = null ;
this.secondrySliderCallback = null;
if (options.primarySliderMoveCallback && typeof(options.primarySliderMoveCallback) === 'function'){
this.primarySliderCallback = options.primarySliderMoveCallback;
}
if (options.secondrySliderMoveCallback && typeof(options.secondrySliderMoveCallback) === 'function'){
this.secondrySliderCallback = options.secondrySliderMoveCallback;
}
/* Used Variables */
var svgWidth = 0;
var hoverUser = '';
var completeRevData = [], secondrySliderSelection = [];
var rvContinueHash = true,gettingDataFlag = true;
var yscale = null, yscale2 = null, xscale = null;
var brush = null;
var peg = null,pegScale = null,pegHandle,pegHandleContainer;
var toolTipDiv, svg, svgBox, svgEnlargedBox;
var primaryContainer, primaryGraph, secondaryContainer, secondaryGraph, newGraph;
var outerLength = 25, enlargedLength = 65;
var endLine, startDate, endDate;
var progressBar,progressBarWidth = 5;
var bars;
var timeFormat = "%Y-%m-%dT%H:%M:%SZ";
var timeParse = d3.time.format(timeFormat);
/* Selected Edits*/
this.selectedEdits = [];
this.pegMoved = true;
var that = this;
var outerScrollDateUpdate = function (){
var barGraphBarGap = 1;
var outerWidth = $('#outer').width();
var outerViewportHidden = $('#outer').eq(0).scrollLeft();
var outerViewportStart = outerViewportHidden/(that.barGraphBarwidth + barGraphBarGap);
var outerViewportEnd = (outerViewportHidden + outerWidth)/(that.barGraphBarwidth + barGraphBarGap);
var outerViewportShown = completeRevData.slice(outerViewportStart,outerViewportEnd);
$('#outerEndDate').html(timeParse.parse(outerViewportShown[0].timestamp).toDateString().slice(4));
$('#outerStartDate').html(timeParse.parse(outerViewportShown[outerViewportShown.length -1].timestamp).toDateString().slice(4));
console.log('outer scroll');
};
this.init = function(){
/*Enlarged view toggle*/
d3.select('.enlargedButton').on('click',function(){
if (d3.select('#enlarged').style('height').split('px')[0] > 20){
d3.select('#enlarged').style({'height':'15px','top':'145px'}).select('svg').style('display','none');
d3.select(this).classed('up',false);
d3.select(this).classed('down',true);
}
else{
d3.select('#enlarged').style({'height':enlargedLength*2+'px', top:0+'px'}).select('svg').style('display','block');
d3.select(this).classed('down',false);
d3.select(this).classed('up',true);
}
});
/* tooltip div */
tooltipDiv = d3.select("body").append("div").attr("class", "tooltip").style("opacity", 0);
svg = d3.select('#outer').append('svg').attr({'height':outerLength*2,'width':600});
svgBox = svg.append('g').attr({'transform':'translate(0,0)'});
svgEnlarged = d3.select('#enlarged').append('svg').attr({'height':enlargedLength*2,'width':450});
/*Baseline in enlarged graph*/
d3.select('#enlarged svg').append('line').attr({'x1':0,'x2':450,
'y1':enlargedLength+progressBarWidth/2,'y2':enlargedLength+progressBarWidth/2,
'stroke':'#d0eeed',
'stroke-width':progressBarWidth});
progressBar = d3.select('#enlarged svg').append('line').attr({'x1':0,'x2':450,
'y1':enlargedLength+progressBarWidth/2,'y2':enlargedLength+progressBarWidth/2,
'stroke':'#1ebce2',
'stroke-width':0});
d3.select('#enlarged svg').append('line').attr({'x1':0,'x2':0,
'y1':10,'y2':enlargedLength+progressBarWidth/2,
'stroke':'gray',
'stroke-width':'.5'});
endLine = d3.select('#enlarged svg').append('line').attr({'x1':450,'x2':450,
'y1':10,'y2':enlargedLength+progressBarWidth/2,
'stroke':'gray',
'stroke-width':'.5'});
svgEnlargedBox = svgEnlarged.append('g').attr('transform','translate(0,0)');
primaryContainer = svgBox.append('g').attr('id','primaryContainer');
primaryGraph = primaryContainer.append('g').attr('id','primaryGraph');
//Commenting out Edit size
//primaryContainer.append('text').text('Edit Size').attr({'x':10,'y':10,'class':'legendText'});
secondaryContainer = svgEnlargedBox.append('g').attr({'id':'secondaryContainer'});
secondaryGraph = secondaryContainer.append('g').attr('id','secondaryGraph');
startDate = secondaryContainer.append('text').attr({'x':0,'y':15}).style('font-size',9);
endDate = secondaryContainer.append('text').attr({'x':450,'y':15}).style('font-size',9);
$('#outer').scroll(outerScrollDateUpdate);
/* Calling it direcly with getData by the user*/
//this.getData();
};
this.getData = function(title){
if(title){
postDict['titles'] = title;
}
if (gettingDataFlag && rvContinueHash){
//console.log('postDict',postDict);
$.getJSON(url,postDict,function(data){
if ('query-continue' in data){
rvContinueHash = data['query-continue'].revisions.rvcontinue;
postDict['rvcontinue'] = rvContinueHash;
}
else{
rvContinueHash = null;
}
console.log(rvContinueHash);
if (!rvContinueHash) $('#olderEditsInfo').hide();
var resultKey = Object.keys(data.query.pages);
var revData = data.query.pages[resultKey].revisions;
completeRevData = completeRevData.concat(revData);
parsedData = that.parseData(completeRevData);
that.fixScales();
that.addData(primaryGraph,completeRevData,yscale);
that.callBrush();
gettingDataFlag = true;
$('#outer').scroll();
}).error(function() {
gettingDataFlag = true;
});
gettingDataFlag = false;
}
else{
return;
}
};
this.cleanUp = function () {
completeRevData = [];
rvContinueHash = true;
postDict ={
rvdir:'older',
format:'json',
action:'query',
rawcontinue:'',
prop:'revisions',
titles:'',
rvprop:'user|timestamp|flags|ids|size',
rvlimit:'max',
};
};
//Cleanup big time
/** To highlight the revision currently being animated **/
this.modifySecondryGraph = function(field,value) {
newGraph.filter(function(d){
if(d[field] == value){
progressBar.attr('x1',d.lastX);
pegHandleContainer.transition().duration(750).call(peg.extent([d.lastX, d.lastX])).call(peg.event);
return true;
}
});
};
//Cleanup big time
/** To get the list of revisions selected in the slider **/
this.getSelection = function () {
var brushExtent = brush.extent();
var start = Math.floor(brushExtent[0]/(that.barGraphBarwidth+1));
var end = Math.ceil(brushExtent[1]/(that.barGraphBarwidth+1));
return completeRevData.slice(start,end);
};
this.getSecondrySliderSelection = function (i){
return i ? that.getSelection().slice(0,i+1).reverse():that.getSelection().reverse();
};
this.wikiNameSpace = function (language) {
usingLanguageNamespace = language;
baseUrl = 'https://'+language+'.wikipedia.org/w/api.php?callback=?';
};
this.parseData = function(data){
data.forEach(function(d,i,array){
if(array[i+1]){
d.editSize = d.size - array[i+1].size;
//Edit direction positive or negative
if (d.editSize >= 0){
d.dir = 'p';
}
else{
d.dir = 'n';
d.editSize = d.editSize * -1;
}
if (i == 0 ){
d.timeDiff = 0;
}
else{
d.timeDiff = Math.floor((timeParse.parse(array[i-1].timestamp) - timeParse.parse(d.timestamp) ) /86400000);
}
}
else{
d.editSize = null;
d.timeDiff = 0;
}
//console.log(d.editSize);
if (d.parentid == 0){
d.editSize = d.size;
d.timeDiff = 0;
d.dir = 'p';
}
if ('minor' in d){
d.minor = true;
}
else{
d.minor = false;
}
d.date = timeParse.parse(d.timestamp);
});
data.svgWidth = data.length*(that.barGraphBarwidth+1) < 100 ? 100 : data.length*(that.barGraphBarwidth+1);
data.yscale = [0,d3.max(data, function(d) { return d.editSize; })];
};
this.fixScales = function (){
if(xscale == null){
yscale = d3.scale.pow().exponent(.4).domain([0,d3.max(completeRevData, function(d) { return d.editSize; })])
.range([1,outerLength]);
yscale2 = d3.scale.pow().exponent(.4).domain([0,d3.max(completeRevData, function(d) { return d.editSize; })])
.range([3,enlargedLength]);
xscale = d3.scale.linear().domain([0,completeRevData.svgWidth]).range([0,completeRevData.svgWidth]);
//cleanup pegscale
pegScale = d3.scale.linear().domain([0,completeRevData.svgWidth]).range([0,completeRevData.svgWidth]);
diffscale = d3.scale.linear().domain([0,d3.max(completeRevData, function(d) { return d.timeDiff; })]).range([0,10]);
}
else{
yscale.domain([0,d3.max(completeRevData, function(d) { return d.editSize; })]);
yscale2.domain([0,d3.max(completeRevData, function(d) { return d.editSize; })]);
xscale.domain([0,completeRevData.svgWidth]).range([0,completeRevData.svgWidth]);
diffscale.domain([0,d3.max(completeRevData, function(d) { return d.timeDiff; })]);
}
svg.attr('width',completeRevData.svgWidth);
};
this.addData = function (rect,data,yscale){
bars = rect.selectAll('rect').data(data);
bars.enter().append("rect");
bars.attr({
'x':function(d,i){ return i * that.barGraphBarwidth + i; },
'y':function(d,i){ return d.dir == 'p' ? outerLength - yscale(d.editSize) : outerLength; },
'width':that.barGraphBarwidth,
'height':function(d,i){ return yscale(d.editSize); },
'class':function(d,i){ return d.dir == 'p' ? 'blue':'red'; },
'timestamp':function(d){ return d.timestamp; }
});
bars.exit().remove();
};
this.callBrush = function (){
if (brush != null){
brush.x(xscale);
d3.select('#primaryBrush').call(brush);
}
else{
brush = d3.svg.brush().x(xscale).extent([0, 70]).on("brush", brushmove);
var brushg = svgBox.append("g").attr("class", "brush")
.attr("id","primaryBrush")
.call(brush);
brushg.selectAll("rect").attr("height", 100)
.attr("y",0);
//Cleanup
brushg.selectAll(".resize rect").attr("width",2).attr("x",-2);
//remove it from here
$('#outer').scroll();
//Fix it
//brushmove();
}
temp();
cleanupProgressBar();
};
this.callPeg = function(){
if (peg != null){
peg.x(pegScale);
d3.select('#peg').call(peg);
}
else{
peg = d3.svg.brush().x(pegScale).extent([0,0]).on("brush", pegMove);
pegHandleContainer = svgEnlargedBox.append("g")
.attr("id","peg")
.call(peg);
pegHandleContainer.selectAll(".extent,.resize").remove();
pegHandleContainer.select(".background")
.attr("height", enlargedLength * 2);
/* Peg */
pegHandle = pegHandleContainer.append("g");
pegHandle.append("rect")
.attr("class", "peg")
.attr("height",enlargedLength * 2)
.attr("width",2)
.attr("y", 0);
pegHandle.append("rect")
.attr("class", "peg")
.attr("height",5)
.attr("width",10)
.attr("y", 0)
.attr("x",-4);
}
var lastEditX = 0;
newGraph.filter(function(d){
lastEditX = d.lastX;
});
pegHandleContainer.call(peg.event)
.transition() // gratuitous intro!
.duration(750)
.call(peg.extent([lastEditX,lastEditX]))
.call(peg.event);
};
this.handleScroll = function (){
//d3.select('#outer').transition().property('scrollLeft',brush.extent()[0]);
$('#outer').scrollLeft(brush.extent()[0]);
};
this.fixWidth = function (width){
d3.select('#enlarged svg').style('width',width).select('line').attr('x2',width);
endLine.attr({'x1':width,'x2':width});
};
function brushmove(){
var brushExtent = brush.extent();
var slid_s = d3.event.target.extent();
if(slid_s[1] - slid_s[0] < 100){
/* the secondary slider */
temp();
if (brushExtent[1]> completeRevData.length*(that.barGraphBarwidth + 1) - 50){
userNotification('load');
that.getData();
}
}
else{
d3.event.target.extent([slid_s[0],slid_s[0]+95]); d3.event.target(d3.select(this));
}
/*Calling Primary Slider callback*/
cleanupProgressBar();
if (that.primarySliderCallback){
that.primarySliderCallback();
}
}
function cleanupProgressBar(){
progressBar.attr('stroke-width',0);
};
this.refreshProgressBar = function (d){
progressBar.attr({'stroke-width':progressBarWidth,
'x1':d.lastX,
'x2':d.lastX+progressBarWidth
});
};
function highlightSelectedEdit(graph,field,id,color){
graph.filter(function(d){
return d[field] == id;
}).style({'fill':color});
};
function cleanupHighlightSelectedEdit(graph,field,id,color,type){
graph.filter(function(d){
return type ? !(d[field] == id) : d[field] == id;
}).style({'fill':color});
};
function temp(){
var brushExtent = brush.extent();
var new_graph = completeRevData.slice(Math.floor(brushExtent[0]/(that.barGraphBarwidth+1)),Math.ceil(brushExtent[1]/(that.barGraphBarwidth+1)) );
if (new_graph.length){
var diffScaleAbs = 0;
var lastX = 0;
//console.log(brushExtent);
newGraph = secondaryGraph.selectAll("rect").data(new_graph);
newGraph.enter().append("rect");
newGraph.attr("x",function(d,i){
diffScaleAbs += d.timeDiff*3;
lastX = diffScaleAbs + i*that.enlargedBarGraphBarwidth + i;
d.lastX = lastX;
return lastX;
})
.attr("y",function(d,i){
return d.dir == 'p' ? enlargedLength - yscale2(d.editSize) : enlargedLength+progressBarWidth;})
.attr("width",that.enlargedBarGraphBarwidth)
.attr("height",function(d){ return yscale2(d.editSize); })
.attr("class",function(d){ return d.dir=='p'?'pointer blue':'pointer red'; })
.attr("timeDiff",function(d){ return d.timeDiff; })
.attr("data-title",function(d){ return d.user; })
.attr("number",function(d,i){ return i; }); ;
newGraph.exit().remove();
cleanupHighlightSelectedEdit(newGraph,'user',hoverUser,'#b4e2ef',1);
highlightSelectedEdit(newGraph,'user',hoverUser,'gold');
startDate.text(timeParse.parse(new_graph[0].timestamp).toDateString().slice(4));
endDate.text(timeParse.parse(new_graph[new_graph.length-1].timestamp).toDateString().slice(4)).attr({'x':lastX-47});
enlargedBarGraphSvgWidth = lastX + that.enlargedBarGraphBarwidth;
that.fixWidth(enlargedBarGraphSvgWidth);
pegScale.domain([0,enlargedBarGraphSvgWidth]).range([0,enlargedBarGraphSvgWidth]);
that.callPeg();
}
}
var pegMove = function(){
console.log('Peg moved');
var relaxedSelectedBar;
var value = peg.extent()[0];
if (d3.event.sourceEvent) { // not a programmatic event
value = pegScale.invert(d3.mouse(this)[0]);
peg.extent([value, value]);
that.pegMoved = true;
//Pausing if the player is playing
if (that.primarySliderCallback){
that.primarySliderCallback();
cleanupProgressBar();
}
}
selectedBar = newGraph.filter(function(d,i){
if (d.lastX < value && value < d.lastX + that.enlargedBarGraphBarwidth){
cleanupHighlightSelectedEdit(bars,'user',hoverUser,'gray',0);
cleanupHighlightSelectedEdit(newGraph,'user',hoverUser,'#b4e2ef',0);
hoverUser = d.user;
highlightSelectedEdit(bars,'user',hoverUser,'gold');
highlightSelectedEdit(newGraph,'user',hoverUser,'gold');
var revInfo = {
'revid': d.revid,
'user': d.user,
'timestamp': d.timestamp.slice(0,10),
'minor': d.minor ? 'M' : null
};
infoBox(revInfo);
}
if (d.lastX < value){
relaxedSelectedBar = i;
}
return d.lastX < value && value < d.lastX + that.enlargedBarGraphBarwidth;
});
//Getting the selected edits
that.selectedEdits = that.getSecondrySliderSelection(relaxedSelectedBar);
console.log(selectedBar);
pegHandle.attr("transform","translate("+pegScale(value)+")");
};
return this;
};
function playback(){
var diff = new htmlDiff();
diff.clearHash();
var listOfRevisions = [], pageTitle, startRev, endRev, revisionInfo, modifyList;
var playAnimation = true;
this.animationSpeed = 1000;
var usingLanguageNamespace = 'en';
var modifyList =[];
var revisionListDict = {
'format': 'json',
'action': 'query',
'prop': 'revisions',
'rvprop': 'ids|user|timestamp|size|flags',
'rvdir': 'newer',
};
var compareRevisionDict = {
'format': 'json',
'action': 'query',
'prop': 'revisions',
'rvprop': 'content',
'rvexpandtemplates': '',
'rvparse': '',
};
var baseUrl = 'https://en.wikipedia.org/w/api.php?callback=?';
var that = this;
this.wikiNameSpace = function (language) {
usingLanguageNamespace = language;
baseUrl = 'https://'+language+'.wikipedia.org/w/api.php?callback=?';
};
this.cleanUp = function(){
listOfRevisions = [];
$('#wikiBody').html('');
};
this.getRevisions = function (page,selectedEdits){
listOfRevisions = selectedEdits;
pageTitle = page;
startRev = listOfRevisions.shift().revid;
revisionInfo = listOfRevisions[0];
endRev = revisionInfo.revid;
listOfRevisions.shift();
playAnimation = true;
$('body').trigger( "editAnimationBegins", [startRev] );
that.wikiDiff();
};
/** Caching the results memoization **/
var hashTable = hashTable || {};
function getRequest(revid){
//var deferredReady = $.Deferred();
if (revid in hashTable){
//console.log('cache hit', revid);
return true;
}
else{
//console.log('cache fail',revid );
compareRevisionDict['revids'] = revid;
return $.getJSON(baseUrl,compareRevisionDict,function(data){
var resultKey = Object.keys(data.query.pages);
var dataRev = data.query.pages[resultKey].revisions[0]['*'];
hashTable[revid] = dataRev;
});
}
};
var empty = function (list){
var l =[];
for (ll in list ){
if ($(list[ll]).text().trim()){
l.push(list[ll]);
}
}
return l;
};
//hard coding parent element
var removeRef = function(parentElement){
$('del a[href^=#cite_note],del a[href^=#cite_ref],del *[id^=cite_note]').remove();
$('del sup a[href^=#cite_note]').parent().parent().remove();
$('a[href^=#cite_note] del').remove();
$('a[href^=#cite_note] ins').each(function(){
var element = $(this);
element.replaceWith(element.text());
});
};
this.wikiDiff = function(){
//Creating the info box about the revisions
var revInfo = {
'revid': revisionInfo.revid,
'user': revisionInfo.user,
'timestamp': revisionInfo.timestamp.slice(0,10),
'minor': revisionInfo.hasOwnProperty('minor')? 'M' : null
};
that.infoBox(revInfo);
$.when(getRequest(startRev),getRequest(endRev)).done(function(){
var dataFirstRev = hashTable[startRev];
var dataSecondRev = hashTable[endRev];
console.time('diff');
var modifiedHtml = diff.diff(dataFirstRev,dataSecondRev);
console.timeEnd('diff');
$('#wikiBody').html(modifiedHtml);
// To remove ref changes
removeRef();
//console.time('making array');
modifyList = empty($.makeArray($('del,ins')));
//console.timeEnd('making array');
that.animateDiff();
});
};
this.infoBox = function (revInfo){
//$('#infoBox').html('');
for (key in revInfo){
if(key == 'revid'){
var urlBase = 'https://'+usingLanguageNamespace+'.wikipedia.org/w/index.php?oldid='+revInfo[key];
var anchor =$('<a>'+revInfo[key]+'</a>').attr({'target':'_blank','href':urlBase});
$('#infoBox .revisionLink').html(anchor);
}
else if(key == 'timestamp'){
$('#infoBox .editDate').html(revInfo[key]);
}
else if(key == 'user'){
$('#infoBox .userName').html(revInfo[key]);
}
else{
var minor = revInfo[key]?revInfo[key]:'';
$('#infoBox .minor').html(minor);
}
}
};
this.animateDiff = function () {
if(playAnimation){
if(modifyList.length>0){
var element = modifyList[0];
var scrollPromise = that.customScrollIntoView('#wikiBody',element);
$.when(scrollPromise).then(function(){
if ($(element).prop('tagName') == 'DEL'){
//console.log('scroll end:: animation begin add ',Date.now(),modifyList.length,element.id);
return $(element).fadeOut(that.animationSpeed);
}
else{
//console.log('scroll end:: animation begin delete ',Date.now(),modifyList.length,element.id);
return $(element).fadeIn(that.animationSpeed).css('display','inline-block');
}
}).then(function(){
//console.log('animation end',Date.now(),modifyList.length,element.id);
modifyList.shift();
that.animateDiff();
});
}
else{
$('body').trigger( "editAnimationBegins", [endRev] );
if(listOfRevisions.length>0){
startRev = endRev;
revisionInfo = listOfRevisions.shift();
endRev = revisionInfo.revid;
that.wikiDiff();
}
else{
$('#playButton').removeClass().addClass('play');
}
}
}
};
var getOffsetTop = function(element){
if (element.parentElement.tagName == 'TD'){
return element.parentElement.offsetTop;
}
else{
return element.offsetTop;
}
};
this.customScrollIntoView = function(parent,element){
//console.log('scroll begin',Date.now(),modifyList.length,element);
var offset = 0;
if ($(element).css('display') == 'none'){
offset = getOffsetTop($(element).css('display','inline-block')[0]);
$(element).css('display','none');
}
else{
offset = getOffsetTop(element);
}
return $(parent).animate({scrollTop: offset }, that.animationSpeed);
};
this.startPlayback = function(selectedEdits,reset){
userNotification('play');
$('#playButton').removeClass('play').addClass('pause');
var page = $('#pageTitle').val();
//Handling the case where the the player was paused
if(!slider.pegMoved && listOfRevisions.length && listOfRevisions.length > 0){
playAnimation = true;
that.animateDiff();
}
else{
//refractor this
selectedEdits = slider.selectedEdits;
slider.refreshProgressBar(selectedEdits[0]);
slider.pegMoved = false;
that.getRevisions(page,selectedEdits);
}
};
this.pausePlayback = function(button){
userNotification('pause');
$(button).removeClass('pause').addClass('play');
$('del,ins').finish();
playAnimation = false;
};
//Attaching control for play / pause
this.playbackControl = function(){
$('#playButton').click(function(){
var button = this;
if($(button).hasClass('play')){
that.startPlayback();
}
else{
that.pausePlayback(button);
}
});
};
};
function addLanguageOptions(languages){
for(language in languages){
var option = $('<option>').val(language).html(languages[language]);
$('select.languageNamespace').append(option);
}
};
//The fullscreen Api handling
function fullscreenApi(screen){
var elem = $(screen).get(0);
if (elem.requestFullscreen) {
elem.requestFullscreen();
}
else if (elem.mozRequestFullScreen) {
elem.mozRequestFullScreen();
}
else if (elem.webkitRequestFullscreen) {
elem.webkitRequestFullscreen();
}
};
function chooseRandomArticle(lang_code) {
lang_code = lang_code ? lang_code : 'en';
var api_url = 'https://' + lang_code + '.wikipedia.org/w/api.php?callback=?';
var params = {
'action': 'query',
'list': 'random',
'rnnamespace': 0,
'rnlimit': 1,
'format': 'json'
};
$.getJSON(api_url, params, function(data, e) {
var page_title = data['query']['random'][0]['title'];
console.log('Randomly selected:', page_title);
$('#overlayTitle').val(page_title);
$('#overlayLoad').trigger('click');
});
};
loadTool = function(){
//Setting the max-width of the slider to the screen width
$('#outer').css('max-width',$(window).width()-240+'px');
//Creating Language Namespace dropdown
wikiPlayback = new playback();
//Fullscreen
$('#fullscreen').click(function(){
fullscreenApi('body');
});
//Speed Control
$(".noUiSlider").noUiSlider({
range: [500, 5000],
start: 4500,
step: 200,
handles: 1,
slide: function(){
wikiPlayback.animationSpeed = 5500 - $(this).val();
}
});
//Attaching Play/Pause contorls
wikiPlayback.playbackControl();
//Attaching Event to get the list of revisions
var pageTitle ;
start = function(titleHolder){
$('#wikiBody').show();
pageTitle = $(titleHolder).val();
wikiPlayback.cleanUp();
slider.cleanUp();
slider.getData(pageTitle);
};
$('#pageButton').click(function(){
start('#pageTitle');
});
$('#overlayRand').click(function() {
chooseRandomArticle();
});
$('#overlayLoad').click(function(){
$('#pageTitle').val($('#overlayTitle').val());
start('#pageTitle');
$('#overlay').slideUp(2500);
});
var pause = function(){
var button = $('#playButton');
wikiPlayback.pausePlayback(button);
};
var play = function(edits,reset){
var selectedEdits = reset ? edits : slider.getSecondrySliderSelection();
wikiPlayback.startPlayback(selectedEdits,reset);
};
slider = new wikiSlider({ height : 400,
barGraphBarwidth : 1,
enlargedBarGraphBarwidth : 5,
primarySliderMoveCallback : pause,
secondrySliderMoveCallback : play
});
slider.init();
$('body').on( "editAnimationBegins", function( event,revid ) {
slider.modifySecondryGraph('revid',revid);
});
/*
addLanguageOptions(languageNamespace);
$('select.languageNamespace').change(function(){
var language = $(this).val();
wikiPlayback.wikiNameSpace(language);
slider.wikiNameSpace(language);
});
*/
};
