All The Javascript So it is searchable. Search Javascript Folder

	Get
1
2	function slideDownTo(key){
3	var node = getNode(key);
4	dispatchOver(node);
5	}
6
7	function displaySlideNamed(aName){
8	pinned = null;
9	var node = getNode(aName);
10	dispatchOver(node);
11
12	}
13
14	function getNode(nodeName){
15	return view.graph.nodes(nodeName);
16	}
17
18	function setRatio(node,score){
19	node.data.ratio = score;
20	}
21
22	function getConferenceKey(slide){
23	return slide.conference.id;
24	}
25
26	function getConference(slide){
27	return slide.conference;
28	}
29
30	function localRebuild(){
31	return true;
32	}
33
34
35
36
37	function getConferenceName(node){
38	if (getClass(node)== 'Conference'){
39	return node.title;
40	}
41	return node.conference.title;
42	}
43
44	function isRoot(node){
45	if (! ('parent' in node) \|\|
46	(node.parent === null)){
47	return true;
48	}
49	return false;
50	}
51
52
53
54
55	function getTitle(item){
56	return item.title;
57	}
58
59	function getBranchSize(item){
60	return item.branchSize;
61	}
62
63
64	function getDescription(item){
65	return item.description;
66	}
67	function getUpVotes(item){
68	return item.upVotes;
69	}
70	function getDownVotes(item){
71	return item.downVotes;
72	}
73
74	function getClass(slide){
75	return slide.class;
76	}
77
78
79
80	function addChildArray (item,index){
81	item.children = [];
82	}
83
84	function getKey(item,array){
85	return item.id;
86	}
87	function getClass(item,array){
88	return item.class;
89	}
90
	Move Commands For Destkopt
91	function moveUp(){
92	moveTo(homeNode.parent);
93	}
94
95	function moveDown(childIndex){
96	moveTo (homeNode.children[childIndex]);
97	}
98
99	function moveToLast(numberOfSiblings){
100	moveTo (homeNode.parent.children[numberOfSiblings -1]);
101	}
102
103	function moveToFirst(){
104	moveTo (homeNode.preant.children[0]);
105	}
106
107	function moveRight(offset){
108	moveTo (homeNode.parent.children[offset+1]);
109	}
110
111	function moveLeft(offset){
112	moveTo (homeNode.parent.children[offset-1]);
113	}
	addDescription
114
115	/*
116	function addDescription (description){
117	$('#description').remove();
118	var result =' <span id = "description" style= "position:absolute; bottom:10px;' +
119	'z-index: -1; left: 33%; padding: 20px; ">'+
120	description +
121	'</span>';
122
123	$('#graph-container').append(result);
124	}
125	*/
	addList
126	function renderList(node){
127	if (node.children.length ===0){
128	return '';
129	}
130	result = '<center>';
131	result +='<b>SubCategories:</b><br>';
132	for (var i = 0 i< node.children.length; i++){
133	result += node.children[i].title + "<br>";
134	}
135	result += '</center>';
136	return result;
137	}
138
139	function renderList2(node){
140	result ='<ul>';
141	for (var i = 0 i< node.children.length; i++){
142	result += "<li>" + node.children[i].title + "</li>";
143	}
144	result += "</ul>";
145	return result;
146	}
147	/*
148	function deleteNodePlusChildren(){
149	$('#NodePlusChildren').remove();
150	}
151	function renderNodePlusChildren (node){
152	var result ='<div id = "NodePlusChildren" ' +
153	'style= "position:fixed;'+
154	'bottom:' + node.children.length + 'em; ' +
155	'left: 30%; z-index: -1;">' +
156	"<p>" + node.title + "</p>"+
157	renderList(node)+
158	'</div>';
159	$('#graph-container').append(result);
160	}
161	*/
	camera
162	var baseX = 0;
163	var baseY = -($('#graph-container')[0].clientWidth)/4
164	;
165	function cameraGoToOrigin(){
166	view.cameras[0].goTo({x:baseX, y: baseY, ratio:1, angle: 1.55});
167	}
168
169	//NOT WORKING
170	function cameraGoToNode(node){
171	view.cameras[0].goTo({x:node.x , y: node.y , angle:node.angle});
172
173	}
174
	childFunctions
175
176
177	function getChildIndex(node){
178	var childIndex = 0;
179	if ('previousChildIndex' in node){
180	childIndex = node.previousChildIndex;
181	}
182	return childIndex;
183	}
184
185
	first
186	var view;
187	var homeNode;
188	var root;
189	var landingPage;
190	var lastHover = null;
191	isMobile = false;
192
193
194
195
196
197
198	var mySettings = {
199	animationsTime: 500,
200	drawLabels: true,
201	drawEdgeLabels: true,
202	zoomMax : 4,
203	singleHover: false,
204	doubleClickEnabled: false,
205	enableNodeHovering: true,
206	labelSizeRatio: 0,
207	labelThreshold: 1,
208	minNodeSize: 1,
209	maxNodeSize: 4
210	};
211
212	function myCallback(arg){
213	view = arg;
214	var nodes = view.graph.nodes();
215	nodes.forEach(addChildArray);
216	nodes.forEach (setParent);
217	nodes.forEach(zeroPosition);
218	//nodes.forEach(setLabels);
219	//MUST BE AFTER SET PARENT
220	nodes.forEach(setConferences);
221
222
223
224
225
226
227	root = getNode(rootName);
228	root.x=0;
229	root.y=0;
230	root.share = 2*Math.PI;
231	root.angle = 0;
232
233
234	var row = root.children;
235	var radius = 1;
236
237	while (row.length > 0){
238
239	calculateChildPositions(row,radius );
240	row = rowItems(row);
241	radius ++
242	}
243	cameraGoToOrigin();
244	view.bind('overNode', overNode);
245	view.bind('outNode', outNode);
246	view.bind('overNodes', overNodes);
247	view.bind('outNodes', outNodes);
248	view.bind('clickNode', clickNode);
249
250	view.refresh();
251
252	homeNode= getNode(homeNodeKey);
253	landingPage = homeNode;
254	dispatchOver(homeNode);
255	pinned = homeNode;
256
257	} //END OF CALLBACK
258
259
260	sigma.parsers.json(deskTopJson, {
261	container: 'graph-container',
262	settings: mySettings
263	},
264	myCallback);
265
266
267
	hasChildren
268	function hasChildren(node){
269	if (node.children.length > 0){
270	return true;
271	}
272	return false;
273
274	}
	hover
275	var pinned = null;
276
277	function deletePin(node){
278	delete pinned.data.pinned;
279	pinned = null;
280	}
281
282
283	function leavePinnedNode(){
284	var pin = pinned;
285	deletePin (pin);
286	outNodeCore(pin);
287	view.refresh();
288	}
289
290	function clickNode(e){
291	var node = e.data.node;
292	clickNodeCore(node);
293	}
294	function clickNodeCore (node){
295	//Clicking on Pinned Node
296	if (node == pinned){
297	deletePin(pinned);
298	node.label = node.title;
299	newHomeNode(e.node);
300	view.refresh();
301	}
302	// CLICKING ON A DIFFERENT NODE
303	else if (pinned){
304	leavePinnedNode();
305	}
306	else{
307	overNodeCore(node);
308	pinned = node;
309	node.data.pinned = true;
310	node.label = 'PINNED: '+ node.title;
311	view.refresh();
312	}
313
314	}
315
316
317
318	var hoverNodes= {};
319
320	function overNode(e) {
321	if (pinned){
322	return;
323	}
324	var node = e.data.node;
325	overNodeCore(node);
326	}
327
328	function overNodes(e){
329	if (pinned){
330	return;
331	}
332	for (var i = 0; i < e.data.nodes.length; i++){
333	var node = e.data.nodes [i];
334	overNodeCore(node);
335	}
336	}
337
338	function deleteOldHovers(){
339	for (var key in hoverNodes){
340	var item = hoverNodes[key];
341	hideLabel(item);
342	if (item.conference){
343	hideLabel(item.conference);
344	}
345	delete hoverNodes[key];
346	}
347	}
348	var lastOverNode=null;
349	var lastOutNode = null;
350	var lastNodeEvent=null;
351	function overNodeCore(node){
352
353	showLabel (node);
354	if ((lastOverNode== node)&&
355	(lastNodeEvent =="overNode")){
356	return;
357	}
358	//if (lastOverNode){
359	//hideLabel(lastOverNode);
360	//}
361	lastOverNode = node;
362	lastNodeEvent = "overNode";
363	deleteOldHovers();
364
365	showLabel (node);
366	newHomeNode(node);
367	possiblyLoadContent(node);
368	hoverNodes [node.id]= node;
369	}
370
371	function outNode(e){
372	if (pinned){
373	return;
374	}
375	var node = e.data.node;
376	outNodeCore(node);
377	}
378
379	function outNodes(e){
380	if (pinned){
381	return;
382	}
383	for (var i = 0; i < e.data.nodes.length; i++){
384	var node = e.data.nodes [i];
385	outNodeCore (node);
386	}
387	}
388
389	function outNodeCore(node){
390
391	if ((lastOutNode== node)&&
392	(lastNodeEvent =="outNode")){
393	return;
394	}
395	hideLabel(node);
396	view.refresh();
397	//deleteOldHovers();
398	if (node.conference){
399	hideLabel(node.conference);
400	}
401	lastOutNode = node;
402	lastNodeEvent = "outNode";
403
404	}
405
406
	initialize
407
408	function setParent(item,index){
409	item.data= {};
410	var parent = item.parent;
411	if (item.id == rootName){
412	item.parent = null;
413	return;
414	}
415	parent = getNode (item.parent);
416	item.parent = parent;
417	item.parent.children.push (item);
418	view.graph.addEdge({source:parent.id,
419	target:item.id,
420	label:"Hello",
421	id:(item.id + parent.id), size: 1});
422	if (item.class == 'Conference'){
423	item.data.talks = [];
424	}
425	}
426	function setConferences(node,index){
427	if (getClass(node) == 'Video'){
428	node.conference = getNode(node.conference);
429	node.conference.data.talks.push(node);
430	/*
431	if (node.parent != node.conference){
432	view.graph.addEdge({source:node.id,
433	target:node.conference.id,
434	id:(node.id + node.conference.id),
435	size: 1,
436	hidden:true
437	});
438
439	}
440	*/
441
442	}
443	}
444	function setLabels(item,index){
445	// item.label = item.title;
446	}
447
	loadContent
448	function possiblyLoadContent(node){
449	lastHover = node;
450	setTimeout (maybeLoadContent,400,node);
451	}
452
453	function maybeLoadContent(node){
454	if (lastHover == node){
455	addLinks(node);
456	loadRemoteContent(node);
457	return;
458	}
459	}
460
461	var oldVideoNode=null;
462	var oldConferenceNode = null;
463	function addLinks(node){
464	//if ('talks' in node){
465	// addConferenceLinks(node);
466	//}
467	if ('conference' in node){
468	addVideoLink (node);
469	}
470	view.refresh();
471	}
472
473	function addConferenceLinks(node){
474	dropConferenceLinks (oldVideoNode);
475	oldConferenceNode = node;
476	node.data.hasConferenceLink = true;
477
478	for (var i = 0 i < node.talks.length; i++){
479	var talk = node.talks[i];
480	var name = node.id + talk.id;
481	if (!view.graph.edges(name)){
482	view.graph.addEdge({source:node.id,
483	target:talk.id,
484	id:name,
485	size: 1});
486	}
487	}
488	}
489
490	function addVideoLink(node){
491	dropVideoLink (oldVideoNode);
492	oldVideoNode = node;
493	var name = node.id + node.conference.id;
494	if (!view.graph.edges(name)){
495	node.data.hasVideoLink = true;
496	//showLabel(node.conference);
497	view.graph.addEdge({source:node.id,
498	target:node.conference.id,
499	id:name, size: 1});
500	}
501	}
502
503	function dropConferenceLink(conference){
504	if (! conference){
505	return;
506	}
507	if (conference.data.hasConferenceLink){
508	node.data.hasConferenceLink = false;
509	for (var i=0; i<conference.talks.length; i++ ){
510	var name = conference.id + conference.talks[i];
511	view.graph.dropEdge(name);
512	}
513	view.refresh();
514
515	}
516	}
517
518
519	function dropVideoLink(node){
520
521	if (! node){
522	return;
523	}
524	if (node.data.hasVideoLink){
525	node.data.hasVideoLink = false;
526	var name = node.id + node.conference.id;
527	view.graph.dropEdge(name);
528	view.refresh();
529
530	}
531	}
532
533	function newHomeNode (node){
534	homeNode = node;
535	showLabel(node);
536	saveCurrentURL();
537	// $("#arrows").html(arrows(node));
538	$("#text").html(renderSlide(node));
539	//postRender();
540
541	}
542
543
544
545	function errorF( jqXHR, textStatus, errorThrown ){
546	console.log ("AJAX ERROR", jqXHR, textStatus, errorThrown );
547	}
548
549	//after slide load
550	function loadRemoteContent(node){
551	var url = "/" + getKey(node) + "/content";
552	divName = "#" + getKey(node) + "-content";
553	$.ajax({url: url, cache: false,
554	error: errorF,
555	success: function(result){
556	$(divName).html(result);
557	resizeVideos(0,0,"#text");
558	}
559	});
560
561	}
562
563
564
	moveTo
565	var currentNode=null;
566	function moveTo(node){
567	pinned = null;
568
569	if (currentNode){
570	dispatchOut (currentNode);
571	}
572	dispatchOver(node);
573	}
574
575	function hideLabel(node){
576	node.label = "";
577	}
578	function dispatchOut(node){
579	var data = {};
580	data.node = currentNode;
581	view.renderers[0].dispatchEvent('outNode',data);
582	}
583	function showLabel(node){
584	node.label=node.title;
585	}
586	function dispatchOver(node){
587	view.renderers[0].dispatchEvent('overNode',{node});
588	}
	positions
589
590	function nextItem(array,index){
591	if (index == array.length -1){
592	return array[0];
593	}
594	return array[index+1];
595	}
596	function previousItem(array,index){
597	if (index === 0){
598	return array [array.length -1];
599	}
600	return array [index-1];
601	}
602
603	function average (angle1, angle2,radius){
604	if ((angle1 - angle2) > Math.PI){
605
606	angle2=angle2 + 2*Math.PI;
607	//return angle1;
608	return average (angle1, angle2, radius);
609	}
610
611	if ((angle1 - angle2) > 1){
612	return angle1 - (0.333/radius);
613	}
614
615	if ((angle2 - angle1) > Math.PI){
616
617	angle2= angle2 - 2*Math.PI;
618	return average (angle1, angle2, radius);
619	}
620	if ((angle2 - angle1) > 1){
621	return angle1 + (0.3333/radius);
622	}
623	return (angle1 + angle2 ) /2.0;
624	}
625
626	function calculateChildPositions (row,radius){
627	var i, item, arent, siblings, length, offset, share;
628	var angle, parentAngle,itemIndex, delta;
629	var first, last, previous, previousAngle, next, nextAngle;
630	var j, ratio;
631	var rowLength= row.length;
632	var maxDelta = 0;
633	var minDelta = 0;
634	for (i = 0 i<rowLength;i ++ ){
635	item = row [i];
636	parentAngle= item.parent.angle;
637	siblings = item.parent.children;
638	length = siblings.length;
639	offset = length /2;
640	share = item.parent.share/length;
641	item.share = share;
642	itemIndex = siblings.indexOf(item);
643	delta = (itemIndex -offset) * share
644	angle = parentAngle + delta;
645	onePosition(item, angle, radius);
646	}
647
648	if (radius < 2) {
649	return;
650	}
651
652	for (i = 0 i<rowLength;i ++ ){
653	item = row [i];
654	siblings = item.parent.children;
655	length= siblings.length;
656	itemIndex = siblings.indexOf(item);
657
658	if (itemIndex === 0){
659	previous = previousItem (row,i);
660	previousAngle = previous.angle;
661	first = average (item.angle, previousAngle,radius);
662
663	}
664	if (itemIndex == siblings.length -1 ){
665	next = nextItem(row,i);
666	nextAngle = next.angle;
667	last = average (item.angle, nextAngle,radius);
668
669
670	for (j=0 j< length; j++){
671	item = siblings [j];
672	delta = last - first;
673	offset = length /2;
674	ratio = (j) /length;
675	if (length ==1){
676	ratio = 0.5;
677	}
678	angle = first + (delta * ratio);
679	onePosition(item, angle, radius);
680	}
681	}
682
683	}
684
685
686	}
687
688	function onePosition( item,angle,radius) {
689	item.angle = angle;
690	item.x=radius * Math.cos(angle);
691	item.y= radius * Math.sin(angle);
692	}
693
694
695	function randomPosition(item, index) {
696	item.x=Math.random () +1;
697	item.y=Math.random () +1;
698	}
699	function zeroPosition(item, index) {
700	item.x=0;
701	item.y=0;
702	}
	renderSearchButton
703	function renderSearchOption(node){
704	if (! isMobile){
705	return "" +
706	lili('<a href="https://PythonLinks.info/search">Search</a>');
707	}
708	else{
709	return lili('<a onclick ="showSearch()">Search</a>');
710
711	}
712
713	}
714
	showsearch
715	function showSearch(){}
	traverse
716
717
718	function rowItems(rowArray){
719	var result = [];
720	for (var i=0 i<rowArray.length;i++){
721	result = result.concat(rowArray[i].children);
722	}
723	return result;
724	}
	ChildFunctions
725
726
727	function getChildIndex(homeNode){
728	var childIndex = 0;
729	if (homeNode.hasOwnProperty('previousChildIndex')){
730	childIndex = homeNode.previousChildIndex;
731	}
732	return childIndex;
733	}
	SlideUpOrDown
734
735	function hideDivLater(){
736	$.fn.fullpage.destroy('all');
737	}
738
739	function showSearch(){
740	loadOneSlide();
741	$("#searchDiv").slideDown(400);
742	$("#browse").slideUp(400);
743	setTimeout(hideDivLater,400);
744	$('body').scrollTop(0);
745	if (homeNode.data.class == 'Conference'){
746	oldSearchString="asdfasdfkjhae";
747	currentSearchString="asdfasdfkjhae";
748	$("input[name=search]").val(homeNode.data.title);
749	myKeyUpCore(homeNode.data.title);
750	}
751
752
753	}
754
755
756	function resetHeight(){
757	searchDiv.style.height="auto"
758	}
759
760	function showBrowser(){
761	$("#browse").slideDown(400);
762	$("#searchDiv").slideUp(400);
763	setTimeout (resetHeight,400);
764	$('#fullpage').fullpage(fullPageArguments);
765	setTimeout(reload,1000);
766
767
768	}
769
770	function searchClick(aNode){
771	var duration = 400;
772	$("#browse").slideDown(duration);
773	$("#searchDiv").slideUp(duration);
774	homeNode = aNode;
775	saveCurrentURL();
776	displaySlide(homeNode);
777	//setTimeout(reload,duration);
778	}
779
780
781
782
783
784
	createSlides
785	function renderVerticalSlides(){
786
787	var i,slide;
788	var result = "";
789	for (i = 0 i < verticalSlides.length; i++){
790	slide =renderVerticalSlide (verticalSlides[i],i);
791	result += slide;
792	}
793	return result;
794
795	}
796
797	function renderHorizontalSlides(){
798
799	var j;
800	var result = "";
801	for (j = 0 j < horizontalSlides.length; j++){
802	slide =renderHorizontalSlide (horizontalSlides[j],j);
803	result += slide;
804	}
805	return result;
806
807	}
808
809
	renderSlides
810	function goToChat(item){
811
812	var href = "/" + item + "/chat";
813	window.open(href);
814
815	}
816
817
818
819
	renderVerticalSlide
820	function renderHorizontalSlide(slide,index){
821	var result = "";
822	result += "<div " +
823	" id = \"slide " + slide.key + "\" "+
824	"class=\"slide";
825	if (slide == homeNode) {
826	result +=" active";
827	}
828
829	result +="\">";
830	result += '<div style="width: calc(100% - 20px);"' +
831	'id="' + slide.key + "-page" + '">';
832
833	result += renderSlide(slide,index);
834	result += "</div>";
835	result += "</div>";
836	return result;
837	}
838
839
840	function renderVerticalSlide(slide, index){
841	var result = "";
842	result += "<div class=\"section ";
843	if (slide == homeNode) {
844	result +="active ";
845	}
846	// result += " style=\"background-color:" +
847	// (parents(slide).length & 1) ? '#ccc': '#fff'+ ";\"";
848	result +="\">";
849	if (slide == homeNode) {
850	result += renderHorizontalSlides();
851	}
852	else {
853	result += renderSlide(slide,0);
854	}
855
856	result += "</div>";
857	return result;
858	}
859
	clickNode
860	function clickNode(webPageName){
861	var key = webPageName.key;
862	homeNode=tree.getNodeByKey(key);
863	popSlides(homeNode);
864	}
865
866	window.addEventListener('popstate', function(event) {
867	clickNode(event.state);
868
869	});
	get
870	function slideDownTo(key){
871	var nextNode=tree.getNodeByKey(key);
872	var index = homeNode.children.indexOf(nextNode);
873	homeNode.previousChildIndex=index;
874	goDown();
875	}
876
877	function setRatio(node,score){
878	node.data.ratio = score;
879	}
880
881	function getConferenceKey(slide){
882	return slide.data.conference;
883	}
884
885	function getConference(slide){
886	return getNode(slide.data.conference);
887	}
888
889	function localRebuild(){
890	$.fn.fullpage.reBuild();
891	return true;
892	}
893
894
895	function getNode(key){
896	return tree.getNodeByKey(key);
897	}
898
899	function getConferenceName(node){
900	return node.data.conference;
901	}
902
903	function isRoot(node){
904	if (getKey(node)==rootName){
905	return true;
906	}
907	return false;
908	}
909
910	function getTitle(item){
911	return item.data.title;
912	}
913
914	function getBranchSize(item){
915	return item.data.branchSize;
916	}
917
918
919	function getDescription(item){
920	return item.data.description;
921	}
922	function getUpVotes(item){
923	return item.data.upVotes;
924	}
925	function getDownVotes(item){
926	return item.data.downVotes;
927	}
928
929	function getClass(slide){
930	return slide.data.class;
931	}
932
933
934
935	function getKey(item,array){
936	return item.key;
937	}
938	function getClass(item,array){
939	return item.data.class;
940	}
941
	getHorizontalAndVerticalSlides
942	var horizontalSlides, verticalSlides;
943	var verticalIndex;
944	var horizontalIndex;
945
946	function setSlides(aNode){
947	setSingleSlide();
948	}
949
950	function setSingleSlide(){
951	verticalSlides = [homeNode];
952	horizontalSlides = [homeNode];
953	verticalIndex = 0;
954	horizontalIndex = 0;
955	}
956	function setUpSlides(){
957	verticalSlides = [homeNode.parent,homeNode];
958	horizontalSlides = [homeNode];
959	verticalIndex = 1;
960	horizontalIndex = 0;
961	}
962	function setDownSlides(){
963	var childIndex = getChildIndex(homeNode);
964	verticalSlides = [homeNode,homeNode.children[childIndex]];
965	horizontalSlides = [homeNode];
966	verticalIndex = 0;
967	horizontalIndex = 0;
968	}
969	function setRightSlides(){
970	var hIndex = homeNode.parent.children.indexOf(homeNode);
971	verticalSlides = [homeNode];
972	horizontalSlides = [homeNode, homeNode.parent.children[hIndex+1]];
973	verticalIndex = 0;
974	horizontalIndex = 0;
975	}
976	function setLeftSlides(){
977	var hIndex = homeNode.parent.children.indexOf(homeNode);
978	verticalSlides = [homeNode];
979	horizontalSlides = [homeNode.parent.children[hIndex-1],homeNode];
980	verticalIndex = 0;
981	horizontalIndex = 1;
982	}
983
984
985	/*
986	THis was the old one.
987	function setSlides(aNode){
988	verticalSlides = listOfVerticalSlides(aNode);
989	horizontalSlides = listOfHorizontalSlides(aNode);
990
991	verticalIndex = verticalSlides.indexOf(homeNode);
992	horizontalIndex = horizontalSlides.indexOf(homeNode);
993	}
994	*/
995
996	function listOfVerticalSlides(homeNode){
997	var result = [];
998	if (homeNode.parent.parent !== null){
999	result.push (homeNode.parent);
1000	}
1001	result.push (homeNode);
1002
1003	if (hasChildren(homeNode)){
1004	var childIndex = getChildIndex(homeNode);
1005	var child=homeNode.children[childIndex];
1006	result.push(child);
1007	}
1008	return result;
1009	}
1010
1011
1012	function listOfHorizontalSlides(aNode){
1013	var children = aNode.parent.children;
1014	var index =children.indexOf(aNode);
1015	var result = [];
1016	if (index >0){
1017	result.push (children[index-1]);
1018	}
1019
1020	result.push (aNode);
1021
1022	if (index < children.length -1){
1023	result.push (children[index + 1]);
1024	}
1025	return result;
1026	}
1027
1028
	getPage
1029	function getPage(){
1030	handle = '';
1031	var result = $('#' + homeNode.key + "-page" ).html();
1032	handle = 'lozinski';
1033	return result;
1034	}
	hasChildren
1035
1036	function hasChildren(homeNode){
1037
1038	if (homeNode.hasOwnProperty ('children') &&
1039	(homeNode.children !== null) &&
1040	(homeNode.children.length > 0)){
1041	return true;
1042	}
1043	return false;
1044	}
1045
	initialize
1046	var landingPage = null;
1047
1048	var parameters = {
1049	extensions: ["filter"],
1050	quicksearch: true,
1051
1052	filter: {
1053	autoApply: true, // Re-apply last filter if lazy data is loaded
1054	counter: true, // Show a badge with number of matching child nodes near parent icons
1055	fuzzy: false, // Match single characters in order, e.g. 'fb' will match 'FooBar'
1056	hideExpandedCounter: true, // Hide counter badge, when parent is expanded
1057	highlight: true, // Highlight matches by wrapping inside <mark> tags
1058	mode: "hide", // Grayout unmatched nodes (pass "hide" to remove unmatched node instead)
1059	autoExpand: true,
1060	leavesOnly:false
1061	},
1062
1063
1064	treeInit: function(ctx){
1065	this._superApply(ctx);
1066	},
1067
1068	init: function(arg1,arg2) {
1069
1070	tree= arg2.tree;
1071	homeNode=arg2.tree.getNodeByKey(webPageName);
1072	tree.homeNode=homeNode;
1073	landingPage = homeNode;
1074	root=arg2.tree.getRootNode().children[0];
1075	saveCurrentURLAndSearch();
1076	displaySlide(homeNode);
1077	},
1078
1079	source: $.ajax({
1080	url: mobileJson,
1081	dataType: "json"
1082	}),
1083
1084
1085	click: function(event, data) {
1086	var aNode = data.node;
1087	searchClick(aNode);
1088	return false;
1089
1090	},
1091	};
1092
1093	$("#tree").fancytree(parameters);
1094
	initializeslides
1095	function pleaseLoadContent (anchorLink, index, slideAnchor, slideIndex){
1096	loadContent ();
1097	}
1098	function smallLoadContent (anchorLink, index, slideAnchor, slideIndex){
1099	loadContent ();
1100	}
1101
1102	function reloadSection(anchorLink, index){
1103	if (mayLoad){
1104	mayLoad = false;
1105	reload();
1106	}
1107	}
1108
1109	function reloadSlide(anchorLink, index, slideAnchor, slideIndex){
1110	if (mayLoad){
1111	mayLoad = false;
1112	reload();
1113	}
1114	}
1115
1116	var fullPageArguments= {
1117	verticalCentered: false,
1118	//CHROME
1119	scrollOverflow:true,
1120	scrollBar: false,
1121	loopHorizontal: false,
1122	touchSensitivity: 10,
1123	afterResize: resizeVideos,
1124	css3:false, //JQUERY UI required by Fancytree breaks it
1125	afterRender:pleaseLoadContent,
1126	afterLoad: reloadSection,
1127	afterSlideLoad: reloadSlide,
1128	onLeave: leaveSection,
1129	onSlideLeave: leaveSlide
1130
1131	};
	leave
1132
1133	var mayLoad=false;
1134
1135	//OLD VERSIONS
1136	function leaveSection (index,nextIndex,direction){
1137	if (! allowScrolling){
1138	return false;
1139	}
1140	mayLoad= true;
1141	homeNode = verticalSlides [nextIndex-1];
1142	saveCurrentURL();
1143	return true;
1144	}
1145
1146
1147	function leaveSlide(anchorLink, index, slideIndex, direction, nextSlideIndex){
1148	if (! allowScrolling){
1149	return false;
1150	}
1151	mayLoad= true;
1152	homeNode = horizontalSlides [nextSlideIndex];
1153	saveCurrentURL();
1154
1155	return true;
1156
1157	}
1158
1159
1160
1161	function popSlides(aNode){
1162	setSlides(aNode);
1163	reload();
1164	}
1165
1166	function displaySlideNamed(key){
1167	displaySlide(tree.getNodeByKey(key));
1168	saveCurrentURL();
1169	}
1170
1171	function displaySlide(aNode){
1172	homeNode = aNode;
1173	setSlides(aNode);
1174	reload();
1175	}
	moveMoveCommands
1176	function buildFullPage(){
1177	$('#fullpage').fullpage(fullPageArguments);
1178	}
1179
1180	function moveDown(){
1181	setDownSlides();
1182	restartFullPage();
1183	reloadCore();
1184	$.fn.fullpage.moveSectionDown();
1185	}
1186
1187	function moveUp(){
1188	setUpSlides();
1189	restartFullPage();
1190	reloadCore();
1191	$.fn.fullpage.moveSectionUp();
1192
1193
1194	}
1195
1196
1197
1198	function moveToLast(numberOfSiblings){
1199	return;
1200	}
1201
1202	function moveToFirst(){
1203	return
1204
1205	}
1206
1207	function moveRight(){
1208	setRightSlides();
1209	restartFullPage();
1210	reloadCore();
1211	$.fn.fullpage.moveSlideRight();
1212
1213	}
1214
1215	function moveLeft(){
1216	setLeftSlides();
1217	restartFullPage();
1218	reloadCore();
1219	$.fn.fullpage.moveSlideLeft();
1220
1221	}
	moveToMobile
1222	function MoveTo(){
1223
1224	}
	pinchToZoom
1225	var allowScrolling = true;
1226	/*
1227	$(document).ready(function() {
1228
1229	var scale = 1.0; // initial-scale
1230	var r = 0.10;
1231	var oldScale = scale;
1232
1233	$(document).bind('gesturechange',function(event){
1234	allowScrolling = false;
1235	$.fn.fullpage.destroy();
1236	var height = viewport.height;
1237	var halfHeight = height / 2.0;
1238	var offsetTop = vewport.offsetTop;
1239	var oldHeight = halfHeight + offsetTop;
1240
1241	var newScale = event.originalEvent.scale;
1242	if(newScale > 1) scale = scale <2 ? newScale : 2
1243	else scale = scale > 0.5 ? newScale : 0.5
1244
1245
1246	var ratio = newScale /oldScale;
1247	var newHeight = (oldHeight * ratio) -height;
1248	viewport.offsetTop = newHeight;
1249	$('meta[name=viewport]').attr('content', 'width=device-width, minimum-scale='+ scale.toFixed(2) +', maximum-scale='+ scale.toFixed(2) +', user-scalable=yes'); //
1250	setTimeout(pleaseAllowScrolling,300);
1251	$.fn.fullpage.reBuild();
1252
1253	oldScale = newScale;
1254
1255	});
1256	});
1257
1258	function pleaseAllowScrolling(){
1259	allowScrolling = true;
1260	}
1261	*/
	reload
1262	var fullPage = false;
1263	var newSlides;
1264	function reload(){
1265
1266	setChildIndex();
1267	//setSlides(homeNode);
1268	setAndReload();
1269	}
1270
1271	function loadOneSlide(){
1272
1273	verticalSlides=[homeNode];
1274	horizontalSlides=[homeNode];
1275	setAndReload();
1276	}
1277
1278	function setAndReload(){
1279	setSingleSlide();
1280	reloadCore();
1281	destroyFullPage();
1282	}
1283
1284	function reloadCore(){
1285	replaceFullPage();
1286	destroyFullPage();
1287	restartFullPage();
1288	}
1289
1290
1291
1292	function replaceFullPage(){
1293	document.title=pageTitle(homeNode);
1294	$('#fullpage div').addClass("old");
1295	newSlides = renderVerticalSlides(homeNode);
1296	$(".old").remove();
1297	$('#fullpage').append(newSlides);
1298	}
1299
1300	function destroyFullPage(){
1301	if (fullPage){
1302	$.fn.fullpage.destroy('all');
1303	}
1304	}
1305
1306	function restartFullPage(){
1307	fullPage = true;
1308	$('#fullpage').fullpage(fullPageArguments);
1309	}
1310
	MyFilter
1311	//THS FUNCTION IS A HOOK SO THAT EVERYONE CAN GENERATE THE APPROAPRIATE
1312	//STRING TO SEARCH IN THEIR APPLICATION
1313	function getStringToSearch(node){
1314	var searchString = node.data.title+' '+node.data.description + '';
1315	if (node.data.class == 'Video'){
1316	searchString += tree.getNodeByKey(node.data.conference).title;
1317	}
1318	return searchString;
1319	}
1320
1321
1322	// THIS IS THE FUNCTION WHICH RETURNS TRUE IF ALL THE WORDS ARE FOUND IN THE STRING
1323	//FALSE OTHERWISE
1324	function MyFilter(node,regexpArray){
1325
1326
1327	var j;
1328	var stringToSearch=getStringToSearch(node);
1329	var result=true;
1330	for (j in regexpArray){
1331	if (!(regexpArray[j].test(stringToSearch))){
1332	result=false;
1333	}
1334	}
1335
1336	return result;
1337	}
1338
1339	function formattedTitle(node,coreTitle){
1340	return "• <a title=\""+node.data.description + "\"><b>"+ coreTitle +"</b></a>";
1341
1342	}
1343
1344
	applyFilter
1345	//SETS A SHORT TITLE, NO DESCRIPTION, FOR BREADCRUMB NODES
1346	function setShortTitle(node){
1347	node.title=node.data.title;
1348	//"<a><b>"+node.data.title +"</b></a>"+
1349	//" ("+getBranchSize(node)+")";
1350	}
1351
1352
1353	$.ui.fancytree._FancytreeClass.prototype._applyFilterImpl = function(filter, branchMode, opts){
1354
1355	//FIRST DEFINE AND SET SOME VARIABLES
1356	var leavesOnly,
1357	match,
1358	re,
1359	searchString=filter,
1360	filterOpts = this.options.filter,
1361	hideMode = filterOpts.mode === "hide",
1362	regexpArray=getRegxpArray(filter);
1363	re2 = new RegExp(filter, "gi");
1364	tree.enableFilter=true;
1365
1366
1367	//SET SOME MORE VARIABLES
1368	count=0;
1369	opts = opts \|\| {};
1370	lavesOnly = !!opts.leavesOnly && !branchMode;
1371
1372	//NOW CREATE THE FUNCTION TO SEARCH A SINGLE NODE
1373	filter = function(node){
1374	var coreTitle;
1375	var res = MyFilter(node,regexpArray);
1376	if (res){
1377	node.title=formattedTitle(node,node.data.title);
1378	setTitle(node);
1379	}
1380
1381	// DONT DO THIS IF MULTIPLE SEARCH TERMS (regexpArray.length>1)
1382	if( res && filterOpts.highlight && (regexpArray.length<2)) {
1383	coreTitle=node.data.title.replace(re2, function(s){
1384	return "<mark>" + s + "</mark>";
1385	});
1386	node.titleWithHighlight = formattedTitle(node,coreTitle);
1387
1388	} else {
1389	delete node.titleWithHighlight;
1390	}
1391
1392	return res;
1393	};
1394
1395
1396	this.enableFilter = true;
1397	this.lastFilterArgs = arguments;
1398
1399	this.$div.addClass("fancytree-ext-filter");
1400	if( hideMode ){
1401	this.$div.addClass("fancytree-ext-filter-hide");
1402	} else {
1403	this.$div.addClass("fancytree-ext-filter-dimm");
1404	}
1405
1406	this.visit(function(node){
1407	node.title = node.data.title + node.match;
1408	delete node.match;
1409	delete node.titleWithHighlight;
1410	node.subMatchCount = 0;
1411	});
1412
1413	// SEACH THE TREE
1414	//Adjust node.hide, .match, and .subMatchCount properties
1415
1416	callVisit(this,function(node){
1417
1418	if (filter(node)) {
1419	count++;
1420	node.match = true;
1421	node.visitParents(function(p){
1422	//MAKE THE UNMATCHED PARENTS LOOK GOOD
1423	if (!(p.match)){
1424	p.match=true;
1425	p.titleWithHighlight="<span style=\"color:#888;\" >"+p.data.title+"</span>";
1426	}
1427
1428	if ('subMatchCount' in p) {
1429	p.subMatchCount += 1;
1430	}
1431	else {
1432	p.subMatchCount=1;
1433	}
1434
1435	//if( opts.autoExpand && !p.expanded ) {
1436
1437	p.setExpanded(true, {noAnimation: true, noEvents: true, scrollIntoView: false});
1438	p._filterAutoExpanded = true;
1439
1440	});
1441
1442	}
1443
1444	});
1445
1446
1447	};
1448
1449
1450
	branchSize
1451	var branchSize;
1452	function getBranchSize(node){
1453	if (node.match \|\| node.unmatchedParent){
1454	return node.subMatchCount;
1455	}
1456	else {
1457	branchSize=node.data.branchSize;
1458	branchSize = parseInt(branchSize);
1459	branchSize = branchSize.toString();
1460	return branchSize;
1461
1462	}
1463	}
1464
	collapseChildren
1465	function collapseChildren(node){
1466	var index;
1467	var item;
1468	var children=node.children;
1469	if((node.isFolder())&&node.hasChildren()){
1470	node.setExpanded(false, {noAnimation: true, noEvents: true, scrollIntoView: false});
1471	for (index=0;index<children.length;index++){
1472	item=children[index]
1473	if (item.isExpanded()){
1474	collapseChildren(item);
1475	}
1476	}
1477	}
1478	}
	gui-functions
1479
1480
1481
1482
1483	var tree = $("#tree").fancytree("getTree");
1484
1485	/*
1486	* Event handlers for search
1487	*/
1488	var match;
1489
1490	function searchTheTree(match,opts){
1491	oldSearchString=match;
1492	tree.clearFilter();
1493	tree.filterNodes(match, opts);
1494	}
1495
1496
1497	function myKeyUp(e){
1498	if(e && e.which === $.ui.keyCode.ESCAPE ){
1499	$("button#btnResetSearch").click();
1500	return;
1501	}
1502
1503	var match=$("input[name=search]").val();
1504	myKeyUpCore(match);
1505	}
1506
1507	$("input[name=search]").keyup(myKeyUp);
1508
1509
1510	function myKeyUpCore(match){
1511	var opts={};
1512	var n;
1513	currentSearchString=match;
1514
1515
1516	//IF YOU JUST DELETED THE SEARCH STRING
1517	if (currentSearchString.length===0) {
1518	tree.clearFilter();
1519	collapseChildren(root);
1520	root.render();
1521	oldSearchString="";
1522	return;
1523	}
1524
1525	//IF YOU JUST STARTED SEARCHING
1526	if (oldSearchString===""){
1527	oldSearchString=currentSearchString.slice(1);
1528	root.render();
1529	return;
1530	}
1531
1532	if (callbackCount===0){
1533	searchTheTree(match,opts);
1534
1535	}
1536
1537
1538
1539	}
1540
1541	function futureSearch(match,opts){
1542	searchTheTree(match,opts);
1543	root.render();
1544	}
1545
1546
1547
1548
1549
1550	$("button#btnResetSearch").click(function(e){
1551	$("input[name=search]").val("");
1552	$("span#matches").text("");
1553	tree.clearFilter();
1554	}).attr("disabled", true);
1555
1556
1557
1558
1559
1560
	search.js
1561	var callbackCount=0;
1562	var count;
1563	var currentSearchString="";
1564	var oldSearchString="";
1565
1566	function cleanUp(){
1567	var rootNode=$("#tree").fancytree("getTree").getRootNode();
1568	rootNode.render(true);
1569	$("button#btnResetSearch").attr("disabled", false);
1570	$("span#matches").text("(" + count + " matches)");
1571	$.fn.fullpage.reBuild();
1572
1573	}
1574
1575	function reSearch(filterFunction){
1576	var value=$("input[name=search]").val();
1577	if (currentSearchString!=value){
1578	$("input[name=search]").trigger("keyup");
1579
1580	}
1581	else{
1582
1583	cleanUp();
1584	}
1585	$.fn.fullpage.reBuild();
1586
1587	}
1588
1589
1590
1591
	setScrolling
1592	function setScrolling(){
1593	if (homeNode.data.class == 'Chat'){
1594	$.fn.fullpage.setAutoScrolling(false);
1595	$.fn.fullpage.setFitToSection(false);
1596	}
1597	else{
1598	$.fn.fullpage.setAutoScrolling(true);
1599	$.fn.fullpage.setFitToSection(true);
1600
1601	}
1602	}
1603
	ViewCount
1604	function getViewCount(aNode){
1605	if (isMobile){
1606	return aNode.data.viewCount;
1607	}
1608	return aNode.viewCount;
1609	}
1610
1611	function score (aNode){
1612	var upVotes, downVotes, viewCount, ratio;
1613	upVotes=Number(getUpVotes(aNode));
1614	downVotes= Number(getDownVotes(aNode));
1615	viewCount=Number(getViewCount(aNode));
1616	ratio = (upVotes - (5 * downVotes))/viewCount;
1617	ratio = ratio * 10000;
1618	return ratio;
1619	}
	Arrows
1620	function oneArrow(direction,x,y,visible, onClick){
1621	var result=''+
1622	'<i style="position:relative;' +
1623	'top:' + y + 'em;'+
1624	'left:' + x + 'em;'+
1625	'opacity:';
1626	if (visible){
1627	result +='1.0;';
1628	}
1629	else{
1630	result += '0.4;';
1631	}
1632	if (visible){
1633	result += 'color:green;';
1634	}
1635	else{
1636	result += 'color:red;';
1637	}
1638	result += '" '
1639	result += 'class="fa fa-arrow-circle-' + direction +
1640	'"'+
1641	'onClick="' + onClick + '"' +
1642	'></i>';
1643	return result;
1644	}
1645
1646	function addArrows(slide){
1647
1648	if (isMobile){
1649	return arrowsMobile(slide);
1650	}
1651	else{
1652	return arrowsDesktop(slide);
1653	}
1654
1655
1656	}
1657
1658
1659	function arrowsDesktop(slide){
1660	var result = "" +
1661	'<div class = "my-desktop-arrows" >' +
1662	arrows(slide)+
1663	'</div>';
1664	return result;
1665	}
1666
1667	//THIS IS WHERE THE 3EM FONT SIZE WAS SET
1668	function arrowsMobile(slide){
1669
1670	var result = "" +
1671	'<div class = "my-mobile-arrows" >' +
1672	arrows(slide)+
1673	'</div>';
1674	return result;
1675	}
1676
1677	function arrows(slide){
1678
1679
1680	var result = "" +
1681
1682	oneArrow('left',1,1,canGoLeft(slide),'goLeft()') +
1683	oneArrow('up',1,0,canGoUp(slide),'goUp()') +
1684	oneArrow('right',1,1,canGoRight(slide),'goRight()') +
1685	oneArrow('down',-1.0,2,canGoDown(slide),'goDown()')
1686
1687	return result;
1688	}
	arguments
1689	var urlParams = new URLSearchParams(window.location.search);
1690	var sortBy = 'bestWilsonScore';
1691
1692	if (urlParams.has('sortBy') ){
1693	sortBy = urlParams.get('sortBy');
1694	}
1695	if (!(['bestWilsonScore','bestMyScore','bestMostRecent'].includes(sortBy))){
1696	sortBy='bestWIlsonScore';
1697	}
1698
	arrowKeys
1699	function getChildIndex(aNode){
1700	var childIndex= 0
1701	if ( 'previousChildIndex' in aNode){
1702	childIndex = homeNode.previousChildIndex;
1703	}
1704	return childIndex;
1705	}
1706
1707	function canGoUp(node){
1708	return !isRoot(node);
1709	}
1710
1711	function goUp (){
1712	if (canGoUp(homeNode)){
1713	var offset = homeNode.parent.children.indexOf(homeNode);
1714	homeNode.parent.previousChildIndex = offset;
1715	moveUp();
1716	}
1717	}
1718
1719
1720	function canGoDown(node){
1721	return hasChildren(node);
1722	}
1723
1724	function goDown (){
1725	if(! canGoDown(homeNode)){
1726	return;
1727	}
1728	var childIndex=getChildIndex(homeNode);
1729	moveDown(childIndex);
1730	}
1731
1732	function canGoRight(node){
1733	var siblings= getSiblings(node);
1734	var offset = siblings.indexOf(homeNode);
1735	var numberOfSiblings = siblings.length;
1736	return (offset < numberOfSiblings -1 )
1737	}
1738
1739	function goRight (){
1740	var siblings = getSiblings(homeNode);
1741	var offset = siblings.indexOf(homeNode);
1742	var numberOfSiblings = siblings.length;
1743	if (canGoRight(homeNode)){
1744	homeNode.parent.previousChildIndex = offset + 1;
1745	moveRight(offset);
1746	}
1747	else {
1748	homeNode.parent.previousChildIndex = 0;
1749	moveToFirst();
1750	}
1751	}
1752
1753
1754	function canGoLeft(node){
1755
1756	var siblings= getSiblings(homeNode);
1757	var offset = siblings.indexOf(homeNode);
1758	var numberOfSiblings = siblings.length;
1759	return (offset > 0);
1760
1761	}
1762	function goLeft (){
1763
1764	var siblings= getSiblings(homeNode);
1765	var offset = siblings.indexOf(homeNode);
1766	var numberOfSiblings = siblings.length;
1767
1768	if (canGoLeft(homeNode)){
1769	homeNode.parent.previousChildIndex = offset -1;
1770	moveLeft(offset);
1771	}
1772
1773	else{
1774	homeNode.parent.previousChildIndex = numberOfSiblings -1;
1775	moveToLast(numberOfSiblings);
1776	}
1777
1778	}
1779
1780
1781
1782	document.onkeydown = function (e) {
1783	if (e.key=="ArrowUp"){
1784	goUp();
1785
1786	}
1787	else if (e.key=="ArrowDown"){
1788	goDown();
1789	}
1790	else if (e.key=="ArrowLeft"){
1791	goLeft();
1792	}
1793	else if (e.key=="ArrowRight"){
1794	goRight();
1795
1796	}
1797	else if (e.key=="PageUp"){
1798	goLeft();
1799	}
1800	else if (e.key=="PageDown"){
1801	goRight();
1802
1803	}
1804	};
	arrows
1805	function footer(item,index){
1806	var result = "";
1807
1808	if (hasChildren(item)){
1809	result += " ↑ ";
1810	}
1811	if (isRoot(item) !== null){
1812	result += " ↓ ";
1813	}
1814	if (index > 0){
1815	result += " → ";
1816	}
1817	if (! isRoot(item)){
1818	result += " ← ";
1819	}
1820	return result;
1821	}
	loadContent
1822	function errorF( jqXHR, textStatus, errorThrown ){
1823	console.log ("AJAX ERROR", jqXHR, textStatus, errorThrown );
1824	// $.fn.fullpage.reBuild();
1825
1826	}
1827
1828
1829	//after slide load
1830	function loadContent(){
1831
1832	if (homeNode === undefined){
1833	return;
1834	}
1835
1836	var url = "/" + getKey(homeNode) + "/content";
1837	divName = "#" + getKey(homeNode) + "-content";
1838	console.log("URL", url);
1839	console.log ("sortBy", sortBy);
1840	$.ajax({
1841	type: 'POST',
1842	url: url,
1843	data: {'sortBy':sortBy},
1844	cache: false,
1845	error: errorF,
1846	success: function(result){
1847	$(divName).html(result);
1848	resizeVideos(0,0,"body");
1849	localRebuild();
1850	}
1851	});
1852
1853	}
1854
1855
1856
	navbar.pug
1857	nav.navbar.navbar-expand-md.navbar-dark.bg-dark
1858	button.navbar-toggler(type='button', data-toggle='collapse', data-target='#navbarsExample04', aria-controls='navbarsExample04', aria-expanded='false', aria-label='Toggle navigation')
1859	span.navbar-toggler-icon
1860	#navbarsExample04.collapse.navbar-collapse
1861	ul.navbar-nav.mr-auto
1862	li.nav-item.dropdown
1863	a#dropdown04.nav-link.dropdown-toggle(href='https://example.com', data-toggle='dropdown', aria-haspopup='true', aria-expanded='false') Sites
1864	.dropdown-menu(aria-labelledby='dropdown04')
1865	!= renderServerOptions(node)
1866	a.dropdown-item(href='https://PythonLinks.info') Python Videos
1867	a.dropdown-item(href='https://ClimateVideos.info') Climate Change Videos
1868	a.dropdown-item(href='https://Cloud-Native.pl') Cloud-Native.pl
1869	if getClass(node)!='Video'
1870	li.nav-item.dropdown
1871	a#dropdown04.nav-link.dropdown-toggle(href='https://example.com', data-toggle='dropdown', aria-haspopup='true', aria-expanded='false') View
1872	.dropdown-menu(aria-labelledby='dropdown05')
1873	a.dropdown-item(
1874	href='#'
1875	onClick='wilsonView()'
1876	) WIlson Score
1877	a.dropdown-item(
1878	href='#'
1879	onClick ='myScoreView()'
1880	) Votes/View
1881	a.dropdown-item(
1882	href='#'
1883	onClick ='mostRecentView()'
1884	) Most Recent
1885	a.dropdown-item(href='https://PythonLinks.info/wilson-score') Explain
1886	// IF VIDEO
1887	if getClass(node)=='Video'
1888	li.nav-item.dropdown
1889	a#dropdown04.nav-link.dropdown-toggle(href='https://example.com', data-toggle='dropdown', aria-haspopup='true', aria-expanded='false') Vote
1890	.dropdown-menu(aria-labelledby='dropdown05')
1891	a.dropdown-item(
1892	href='#'
1893	onClick = 'upVote()'
1894	) Up Vote
1895	a.dropdown-item(
1896	href='#'
1897	onClick = 'downVote()'
1898	) Down Vote
1899	a.dropdown-item(href='https://PythonLinks.info/wilson-score') Explain
1900
1901	// More
1902	li.nav-item.dropdown
1903	a#dropdown04.nav-link.dropdown-toggle(href='https://example.com', data-toggle='dropdown', aria-haspopup='true', aria-expanded='false') More
1904	.dropdown-menu(aria-labelledby='dropdown05')
1905	a.dropdown-item(
1906	href='https://PythonLinks.info/contact'
1907	) Contact
1908	span.sr-only (Contact)
1909	if ! isAuthenticated
1910	a.dropdown-item(
1911	href='./register/user'
1912	) Subscribe
1913	span.sr-only (Subscribe)
1914
1915	if ! isAuthenticated
1916	a.dropdown-item(
1917	href='./register/web'
1918	) Login
1919	span.sr-only (Login)
1920
1921
1922
1923
1924
1925
1926	if isMobile
1927	form.form-inline.my-2.my-md-0
1928	input.form-control(
1929	type='text'
1930	placeholder='Search'
1931	onFocus = 'showSearch()'
1932	)
1933	ul.navbar-nav.ml-auto
1934	li.nav-item
1935	a.nav-link(
1936	href='https://twitter.com/intent/follow?screen_name=PythonLinks'
1937	target='_blank'
1938	)
1939	!= twitterLinkFront()
1940	img(
1941	alt='Follow to receive video recommendations'
1942	style = 'height: 1.5em;'
1943	src='https://pythonlinks.info/static/graphics/twitter-logo.png'
1944	)
1945	!= twitterLinkBack()
1946	li.nav-item
1947	a.nav-link(
1948	href='#'
1949	onclick='resizeText(-1)'
1950	) a
1951	span.sr-only (Make the Font Smaller)
1952	li.nav-item
1953	a.nav-link(
1954	href='#'
1955	onclick='resizeText(+1)'
1956	) A
1957	span.sr-only (Make the Font larger)
1958
1959
1960
1961
1962
1963
	breadcrumbs
1964	function oneCrumb(item,step,width,showChildren){
1965	result = '<div style = "margin-left:' + (step).toString() + 'em">' +
1966	getTitle(item).link('/' + getKey(item))
1967	if (width > 500){
1968	result += '  (' + getBranchSize(item) + ')'
1969	}
1970	result += '</div>';
1971	return result;
1972	}
1973
1974
1975	function selectChanged(arg){
1976	if (arg.value===''){
1977	return;
1978	}
1979	displaySlideNamed(arg.value);
1980	}
1981
1982
1983
1984	function setSelectedIndex(s, valsearch){
1985	for (i = 0; i< s.options.length; i++){
1986	if (s.options[i].value == valsearch){
1987	s.options[i].selected = true;
1988	break;
1989	}
1990	}
1991	}
1992
1993
1994	function onSelectFocus(arg,id){
1995
1996	arg.selectedIndex = 0;
1997	}
1998
1999	function onSelectBlur(arg, id){
2000	setSelectedIndex(arg, arg.id.slice(7));
2001	}
2002
2003	function selectSiblings (node,step,width,showChildren){
2004	var siblings = getSiblings(node);
2005	var id = 'select-' + getKey(node);
2006	if (showChildren){
2007	siblings = node.children;
2008	id = 'select-child-category';
2009	}
2010
2011	result = '<div style = "margin-left:' + (step).toString() + 'em">'
2012	result += '<select style="-webkit-appearance: none; -moz-appearance: none; appearance:none; ';
2013	result +='width:auto; max-width: 50em; padding: 0; height:1.7em" class= "text-primary form-control" id = "' + id + '"';
2014	result += ' onchange ="selectChanged(this)" '
2015	result += " onfocus =\"onSelectFocus(this,'" + id + "')\"";
2016	result += " onblur =\"onSelectBlur (this,'" + id + "')\"";
2017	result += ' value="" ';
2018	result += ">";
2019
2020	if (showChildren){
2021	result += '<option selected value="">Select Sub-Category or Video▼</option>';
2022	}
2023	else{
2024	result += '<option >Jump To:</option>';
2025
2026	}
2027
2028	// AND NOW GENERAT OPTIONS
2029	for ( let index in siblings){
2030
2031	item = siblings [index];
2032
2033	result += "<option ";
2034
2035	if (item == node){
2036	result += " selected ";
2037	}
2038	result +=' value="';
2039	result += getKey(item);
2040	result +='">';
2041
2042	result += getTitle(item);
2043	if (item == node){
2044	result += " ▼";
2045	}
2046	if (width > 500){
2047	result += '  (' + getBranchSize(item) + ')'
2048	}
2049
2050	result += "</option>";
2051	}
2052	result += "</select>";
2053	result += '</div>';
2054
2055	return result;
2056	}
2057
2058	function breadcrumbs(node,index){
2059	var width = $( window ).width();
2060	var result="";
2061	var offset;
2062	var items=parents(node);
2063	var length = items.length;
2064	var step;
2065	result+= "<div style = \"text-align:left; \">";
2066	for (step = 0; step < length-1; step++) {
2067	item=items[step];
2068	result += selectSiblings(item,step,width,false);
2069	}
2070	result += selectSiblings(node,length -1,width,false);
2071
2072	if (hasChildren(node)){
2073	result += selectSiblings(node,length,width, true);
2074	}
2075	result += "</div>";
2076	return result;
2077	}
2078
	generateTwitter
2079	function getHashTag(node){
2080	if (isMobile) {
2081	return node.data.hashTag;
2082	}
2083	else {
2084	return node.hashTag;
2085	}
2086	}
2087	function renderTweetForm(node){
2088	if (node != homeNode){
2089	return "";
2090	}
2091	var url = 'https://PythonLinks.info/'+ getKey(node)
2092	result = "";
2093	result += '<div class="form-group" style = "padding: 20px;">'
2094
2095	result += '<form id="messageForm" action="https://twitter.com/share" method="get">' +
2096	'<label for="comment">Comment on Twitter about:</label><br>' +
2097	'<input type="hidden" name="source" value="tweetbutton"> ' +
2098	'<textarea id="tweet" name= "text" rows="5"' +
2099	'class="form-control">' + node.title + '\n' +
2100	url +
2101	' via @PythonLinks ' +
2102	getHashTag(node) + ' ' +
2103	'</textarea>' +
2104	'<button type="submit" formtarget="_blank" class="btn btn-primary">Tweet</button>  ' +
2105	'<span id="charactersRemaining"></span>' +
2106	'</form>'
2107
2108	result += '</div>'
2109
2110	return result;
2111	}
2112
2113	function commentType(node){
2114	if (getClass(node) == 'Conference'){
2115	return 'If you are kind enough to say what you thought about this conference,' +
2116	'your comments will show up here.';
2117	}
2118	if (getClass(node) == 'Video'){
2119	return 'If you are kind enough to review this video after you watch it,' +
2120	'your review on twitter will be posted here';
2121	}
2122	if (getClass(node) == 'Category'){
2123	return 'If you are kind enough to give me your professional advice on the organization '+
2124	'of this category, I will either make the changes, or post your ocmment here';
2125	}
2126	return '';
2127
2128	}
2129
2130	function renderTweet(tweetId){
2131	var result = '<blockquote class="twitter-tweet" data-lang="en"><p lang="en"' +
2132	'dir="ltr">"Data Science Without Borders" is the overall best '+
2133	'<a href="https://twitter.com/hashtag/Python?src=hash&ref_src=' +tweetId +'">#Python</a> video, beating out "Towards Pandas 1.0" by 181 to 119 Youtube up votes. <a href="https://t.co/EXWwvk3BKG">https://t.co/EXWwvk3BKG</a></p>—' +
2134	' The Best of 710 Python Conference Videos (@PythonLinks) ' +
2135	'<a href="https://twitter.com/PythonLinks/status/1048163192080404480?ref_src=twsrc%5Etfw">'+
2136	'October 5, 2018</a></blockquote>' +
2137	'<script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>';
2138	return result;
2139	}
2140	/*
2141	function notUsed(){
2142	if ('showHashTag' in node){
2143	result +='<a href="https://twitter.com/search?q=' +
2144	node.hashTag +
2145	'">See the comments on twitter.</a>';
2146	}
2147	else{
2148	result += "<p>If you would be so kind as to post the "+
2149	"first comment on this page, I will go ahead and add a link to the unique hashtag "+
2150	"timeline on Twitter</p>";
2151	}
2152	}
2153	*/
2154
2155	var el;
2156
2157	function countCharacters(e) {
2158	var textEntered, countRemaining, counter;
2159	textEntered = document.getElementById('tweet').value;
2160	counter = (280 - (textEntered.length));
2161	countRemaining = document.getElementById('charactersRemaining');
2162	countRemaining.textContent = "";
2163
2164	if (counter < 20){
2165	countRemaining.textContent = counter.toString() +
2166	' Characters Remaining';
2167	}
2168
2169	}
2170
2171	function postRender(){
2172	el = document.getElementById('tweet');
2173	el.addEventListener('keyup', countCharacters, false);
2174	countCharacters();
2175	}
2176
	buttonFunctions
2177
2178	function editProfile(){
2179	window.location.href = "/person/" + userId + "/editPrincipal";
2180	}
2181
2182
2183	function editProfile(){
2184	window.location.href = "/person/" + userId + "/editPrincipal";
2185	}
2186
2187	function changeView(){
2188	showBest = ! showBest;
2189
2190	var label = "Best View";
2191	if (showBest){
2192	label = "List View";
2193	}
2194
2195	$("#viewButton").html(label);
2196	var result = generateLeadersOrContentCore(homeNode);
2197	$("#bestContent" + '-' + getKey(homeNode)).html(result);
2198	localRebuild();
2199
2200	}
	renderButtons
2201	function renderServerOptions(node){
2202	var url ="https://";
2203	if (isMobile) {
2204	url += 'desktop.';
2205	url+=domain;
2206	url += '/';
2207	url += getKey (node);
2208	return '<a class="dropdown-item" href="' + url + '">Desktop (Beta)</a>';
2209	}
2210	if (! isMobile) {
2211	url += domain.slice(8);
2212	url += '/';
2213	url += getKey (node);
2214	return '<a class="dropdown-item" href="' + url + '">Mobile</a>';
2215	}
2216
2217	}
2218
2219	function lili(arg){
2220	return '<li>' + arg + '</li>';
2221	}
2222
2223	function renderProfileOption(){
2224	if (isAuthenticated){
2225	return lili('<a onclick="editProfile()">Profile</a>');
2226	}
2227	else
2228	{return "";}
2229	}
2230
2231
2232
2233	function renderSubscribeOption(item){
2234	if ( ! isAuthenticated){
2235	return lili('<a href="./register/user">Get Updates</a>');
2236	}
2237	return '';
2238	}
2239
2240
2241
2242
2243
2244
2245	function renderChatButton(item){
2246	if (getClass(item)=="Video"){
2247	return "<button onclick=\"goToChat('" +
2248	getKey(item)+
2249	"')\" type=\”submit\” class=\”btn btn-primary\”>Chat</button> "
2250	}
2251	return "";
2252	}
2253
2254
2255	function renderRegisterButton(item){
2256	return "<button onclick=goToRegister(\"" +
2257	getKey(item) +
2258	"\") type=\”submit\” class=\”btn btn-primary\”>Register</button> "
2259	}
2260
2261
2262	function renderLoginOption(item){
2263	if ( ! isAuthenticated){
2264	return lili( '<a href = "./register/web">Login</a> ')
2265	}
2266	else {
2267	return "";
2268	}
2269	}
	renderSearchButton
2270	function renderSearchOption(item){
2271	return lili ('<a class="text-primary" onclick="showSearch()"> Search</a>')
2272	}
	renderthumbs
2273	function getVoteDivName(item,divName){
2274	return getKey(item) + "-" + divName;
2275	}
2276
2277	function renderVoteButton(item,thumb,functionName,votes,divName){
2278	if (getClass(item)!="Video"){
2279	return "";
2280	}
2281	return "<button onclick=" + functionName +"('" +
2282	getKey(item)+
2283	"') type=\”submit\” class=\”btn btn-primary\”>" +
2284	"<span style=\"font-size=3em\"" +
2285	"id =\""+ getVoteDivName(item,divName) + "\">" +
2286	votes + "</span>" + thumb + "</button>"
2287
2288	}
2289
2290	function renderThumbs(slide){
2291	if (getClass(slide) != "Video"){
2292	return "";
2293	}
2294
2295
2296	return renderVoteButton(slide," 👍 ","upVote", getUpVotes(item),"upVotes") +
2297	renderVoteButton(slide," 👎 ","downVote", getDownVotes (item), "downVotes");
2298
2299	}
2300
2301
2302
2303
2304
	threeMenuButtons
2305	function visible(){
2306	if ( (userId == 'lozinski') \|\|
2307	(handle == "ChristopherLozinski") \|\|
2308	(handle == "JustinMorgan") \|\|
2309	(handle=="WojtekB.")
2310	){
2311	return true;
2312	}
2313	else{return false;}
2314	}
2315
2316	function editMenu(slide){
2317	if (! visible())
2318	{
2319	return '';
2320	}
2321
2322	var result ="" +
2323	' <span class="dropdown">' +
2324	'<button class="btn btn-primary dropdown-toggle"'+
2325	'type="button"data-toggle="dropdown">Editor'+
2326	'<span class="caret"></span></button>'
2327	result += '<ul class="dropdown-menu dropdown-menu-right">' +
2328	lili("<a href=\"/" + getKey(homeNode) + "/ckedit\">Ck Edit</a> ") +
2329	lili("<a href=\"/" + getKey(homeNode) + "/aceedit\">Ace Edit</a> ")
2330	if (getClass(slide) == 'Category'){
2331	result +='' +
2332	lili("<a href=\"/" + getKey(homeNode) + "/addCategory\">Add Category</a> ") +
2333	lili("<a href=\"/" + getKey(homeNode) + "/addConference\">Add Conference</a> ")
2334	}
2335	if (getClass(slide) != 'Vudeo'){
2336	result +='' +
2337	lili("<a href=\"/" + getKey(homeNode) + "/addVideo\">Add Video</a> ")
2338	}
2339	if (getClass(slide) == 'Video'){
2340	result+= lili("<a href=\"/" + getKey(homeNode) + "/starttime\">Edit Start Time</a>")
2341	//lili("<a href=\"/" + getKey(homeNode) + "/addComment\">Add Comment</a> ")
2342	}
2343	if (getClass(slide) != 'Video'){
2344	result+= lili("<a href=\"/" + getKey(homeNode) + '/manage">Manage</a>')
2345	}
2346
2347	result += "</ul> </span> ";
2348	return result;
2349	}
2350
2351
2352	function manageMenu(slide){
2353	if (userId != 'lozinski'){
2354	return '';
2355	}
2356
2357	var result ="" +
2358	' <span class="dropdown">' +
2359	'<button class="btn btn-primary dropdown-toggle"'+
2360	'type="button"data-toggle="dropdown">Manage'+
2361	'<span class="caret"></span></button>'
2362	result += '<ul class="dropdown-menu dropdown-menu-right">'
2363	if (getClass(slide) != 'Video'){
2364	result +='' +
2365	lili("<a href=\"/" + getKey(homeNode) + '/manage">Manage</a> ') +
2366	lili("<a href=\"/" + getKey(homeNode) + '/manage2">Manage2</a> ') +
2367	lili('<a href=\"' +'/Products/Root/AllJavascript/search">Scripts</a> ') +
2368	lili("<a href=\"/" + getKey(homeNode) + '/addPlayList">Add PlayList</a> ') +
2369	lili("<a href=\"/" + getKey(homeNode) + '/addChannel">Add Channel</a> ') +
2370	lili("<a href=\"/" + getKey(homeNode) + '/addPyVideo">Add PyVideo</a> ') +
2371	lili("<a href=\"/" + getKey(homeNode) + '/editors">Editors</a> ') +
2372	lili("<a href=\"/" + getKey(homeNode) + '/cachedContent">CachedContent</a> ')
2373	}
2374	if (getClass(slide) == 'Video'){
2375	result+= lili( " <a href=\"/" + getKey(homeNode) + "/move\">Move</a>")
2376	}
2377
2378	result += "</ul> </span> ";
2379	return result;
2380	}
2381
2382
2383	function userMenu(slide){
2384	var result ="" +
2385	' <span class="dropdown">' +
2386	'<button class="btn btn-primary dropdown-toggle"'+
2387	'type="button"data-toggle="dropdown">Menu'+
2388	'<span class="caret"></span></button>'
2389	result += '<ul class="dropdown-menu dropdown-menu-right">';
2390	result +=renderViewOption(slide)
2391	result += renderSearchOption(slide) +
2392	renderSubscribeOption(slide) +
2393	renderServerOptions(slide) +
2394	//renderProfileOption (slide) +
2395	lili ('<a href ="/contact">Contact</a>')+
2396	renderLoginOption(slide) +
2397	renderSignOutOption(slide) +
2398	"</ul> </span>"
2399	return result;
2400	}
	whichview
2401	function changeContent(){
2402
2403	$('#buttons').html(renderButtons(homeNode));
2404	loadContent(homeNode);
2405	saveCurrentURL();
2406	}
2407
2408	function wilsonView(){
2409	sortBy='bestWilsonScore';
2410	changeContent();
2411	}
2412
2413	function myScoreView(){
2414	sortBy = 'bestMyScore';
2415	changeContent();
2416	}
2417
2418	function mostRecentView(){
2419	sortBy = 'bestMostRecent';
2420	changeContent();
2421	}
2422
2423	function renderViewOption(item){
2424	if (getClass(item) == "Video"){
2425	return "";
2426	}
2427
2428	var showWilson = ' <a class="text-primary" onclick="wilsonView()"> Best Score</a>'
2429	var showMyScore = ' <a class="text-primary" onclick="myScoreView()">Score/Views</a>'
2430	var showRecent = ' <a class="text-primary" onclick="recentView()"> Most Recent</a>'
2431
2432	var result ='';
2433
2434	if (sortBy != 'bestWilsonScore'){
2435	result+= lili(showWilson);
2436	}
2437	if (sortBy != 'bestMyScore'){
2438	result+= lili(showMyScore);
2439	}
2440	if (sortBy != 'bestMostRecent'){
2441	result+= lili(showRecent);
2442	}
2443	return result;
2444	}
2445
	news
2446	var news = '' //+
2447	//'<b>Nov 27, 2018</b>  ' +
2448	//'Here are <a onclick="displaySlideNamed(\'tensorflow-dev-summit-2018\')">' +
2449	//'the best talks from the TensorFlow Dev Summit.</a>'
2450
	renderContetnDiv
2451	function renderContentDiv(slide){
2452	return "<div id=\"" +
2453	getKey(slide) + "-content" +
2454	'"' +
2455	"></div>"
2456	}
2457
2458	function debugIt(){
2459	var i,j;
2460	var result ="<br>"
2461	for (i=0; i<verticalSlides.length; i++){
2462	if (verticalIndex == i){
2463	for (j=0; j<horizontalSlides.length; j++){
2464	result += horizontalSlides[j].key;
2465	result += " ";
2466	}
2467	}
2468	else{
2469	result += verticalSlides[i].key;
2470	}
2471	result += "<br> \n";
2472	}
2473	return result;
2474	}
	renderMore
2475	function renderExtra(){
2476	return "<br> <br> <br><br><br><br>";
2477
2478	}
2479	function renderButtons(slide,index){
2480	var result = "" +
2481	"<center>" +
2482	editMenu(slide) +
2483	manageMenu(slide);
2484	result += "</center> <br> "
2485	return result;
2486	}
2487
2488	function renderFollowTwitter(){
2489	return '<a style = " padding: 20px;" target="_blank" ' +
2490	'href="https://twitter.com/intent/follow?screen_name=' +
2491	twitterId+ '">' +
2492	'<img alt="Follow to receive video recommendations"' +
2493	'target= "_blank"' +
2494	'src="https://pythonlinks.info/static/graphics/twitter-logo.png"' +
2495	'></a> '
2496	}
2497
2498
2499
2500	function renderDescription (slide){
2501	return '<p style="text-align:left;">' +
2502	getDescription(slide) +
2503	"</p>"
2504	}
2505
	renderTitleSubTitle
2506	function getSubTitle(slide){
2507	if (getClass(slide)!='Conference'){
2508	return "";
2509	}
2510	var result = '';
2511	var conferenceName;
2512	var preamble = "Talks at "
2513	if (slide.key == rootName){
2514	preamble = "at ";
2515	}
2516	if (getClass(slide) == 'Category'){
2517	return '';
2518	}
2519
2520	conferenceName = getConferenceName(slide);//WASgetSearchedConferenceName();
2521	if (conferenceName){
2522	result += '<h3 style ="text-align:center;">' + preamble + conferenceName + '</h3>';
2523	}
2524	return result;
2525	}
2526
2527	function renderTitle(slide){
2528	var children = '';
2529	var offset = 0;
2530	var siblings = getSiblings(slide);
2531	if (siblings.length > 1){
2532	offset = siblings.indexOf(slide);
2533	children = "  (" + (offset + 1) + "/" +
2534	siblings.length + ')'
2535	}
2536	var result = '';
2537
2538	result += '<h1 style ="text-align:center;">' +
2539	getTitle(slide) +
2540	children +
2541	"</h1>"
2542	return result;
2543	}
2544
	socialMediaLinks
2545	// FUNCTION TO GENERATE SOCIAL MEDIA LINKS
2546
2547	function socialMediaLinks(slide){
2548
2549
2550	var title = getTitle(slide);
2551	var encodedTitle = encodeURI(title);
2552	var description = getDescription(slide);
2553	var encodedDescription = encodeURI(description);
2554	var theURL ="https://PythonLinks.info"+ '/' + getKey(slide);
2555	var titlePlusDescription = title + ' ' + description;
2556	var encodedTitlePlusDescription = encodeURI(title + ' ' + description);
2557	var result ="";
2558
2559	result +='<center><div>' +
2560	//FIRST THE EMAIL LINK
2561	'<a href="mailto:?subject='+ encodedTitle+ '&body=' +
2562	encodeURI (description + ' ' + theURL) +'"' +
2563	'class="share-btn email" title="Email">' +
2564	'<i class="fa fa-envelope"></i></a>'
2565
2566
2567
2568	//NOW THE FACEOOK LINK
2569	result += '<a href="https://www.facebook.com/sharer/sharer.php?u=' +
2570	theURL + '&t=' + encodedTitle +'" class="share-btn facebook"' +
2571	'title="Facebook">' +
2572	'<i class="fa fa-facebook"></i></a>';
2573
2574	//NOW TWITTER
2575	//result += '<a href="https://twitter.com/share?text=' +
2576	//encodedDescription + '&url=' + theURL +';via=PythonLinks' +
2577	//'" class="share-btn twitter" title="Twitter">' +
2578	//'<i class="fa fa-twitter"></i></a>'
2579
2580
2581	//AND REDDIT
2582	result += '<a href="http://reddit.com/submit?url=' +
2583	theURL + '&title=' + encodedDescription + '&kind=link" class="share-btn reddit" title="reddit">'+
2584	'<i class="fa fa-reddit"></i></a>';
2585
2586	//NOW FOR LINKED IN
2587	result += '<a href="https://www.linkedin.com/shareArticle?url=' +
2588	theURL + '&title=' + encodedTitlePlusDescription +
2589	encodedTitlePlusDescription +
2590	'" class="share-btn linkedin" title="LinkedIn">' +
2591	'<i class="fa fa-linkedin"></i></a>';
2592
2593
2594	result += '</div></center>';
2595
2596	return result;
2597	}
	generateLeadersCore
2598
2599	function generateLeadersOrContentCore(slide){
2600	if (showBest){
2601	return generateLeaders(slide);
2602	}
2603	else{
2604	return generateContent(slide);
2605	}
2606	}
	generateContents
2607
2608	function generateContent(rootNode){
2609	if ((getClass(rootNode) === 'Video')){
2610	return "";
2611	}
2612	result ='<div style="margin:auto; max-width: 100vh;">';
2613
2614	result += generateContentCore(rootNode)
2615	result +='</div>';
2616	return result;
2617	}
2618
2619
2620
2621	function tableHead(subTitle){
2622	return "<tr>" +
2623	TD (' <a href = "https://www.evanmiller.org/how-not-to-sort-by-average-rating.html">Score</a>')+
2624
2625	TD (' Votes ') +
2626	TD(subTitle ) +
2627	"</tr>";
2628	}
2629	function videosInThisFolder(node){
2630	var videos=[];
2631	var video;
2632	var children = node.children;
2633	if (! hasChildren(node)){
2634	return videos;
2635	}
2636	var arrayLength = node.children.length;
2637	for (var i = 0; i < arrayLength; i++) {
2638	video=children[i];
2639	if (getClass(video) =='Video'){
2640
2641	video.data.ratio = score (video);
2642	videos.push(video);
2643	}
2644	}
2645	return videos;
2646	}
2647
2648	function childCategoriesRow (rootNode){
2649	var text = '<tr><td colspan="4">';
2650	text += renderChildCategories(rootNode);
2651	text += "</td></tr>"
2652	return text;
2653	}
2654
2655
2656
2657	function generateContentCore(rootNode){
2658
2659
2660	var text='';
2661	var i;
2662	var sortedArray = videosInThisFolder(rootNode);
2663	var sortedArrayLength = sortedArray.length;
2664	if (sortedArrayLength === 0){
2665	return renderChildCategories(rootNode);
2666	}
2667
2668	text += renderChildCategories(rootNode);
2669	text += "<h3>Videos in this Folder</h3>";
2670	text +='<table class="table table-striped" style = "padding:20px;">';
2671	text += "<thead>";
2672
2673	text += tableHead("Talk Title");
2674	text += "</thead>";
2675	text += "<tbody>";
2676	for (i = sortedArrayLength-1; i >= 0; i--) {
2677	item=sortedArray[i];
2678	text += '<tr>'
2679	text+= '<td align="left"> ' +
2680	item.data.ratio.toFixed(0) +
2681	'% </td>';
2682
2683	votes = '';
2684	if (getUpVotes(item) >0){
2685	votes += getUpVotes(item) + '👍 ';
2686	}
2687	if (getDownVotes(item) >0){
2688	votes+= '<br>' + getDownVotes(item) + '👎 ';
2689	}
2690	text+= TD(' ' + votes + ' ');
2691
2692	text+=TD(' ' + generateLink(item));
2693
2694
2695	text +='</tr>'
2696	}
2697
2698	text += "</tbody>";
2699	text +='</table>'
2700	//text += '</div>'; //TABLE-RESPONSIVE
2701
2702
2703	return text;
2704	}
2705
2706
2707
	generateLeaders
2708
2709	function generateLeaders(rootNode){
2710	if ((getClass(rootNode) === 'Video')){
2711	return "";
2712	}
2713
2714
2715	// FOR THE LIST OF CHANNELS DO NOT SHOW THE BEST VIDEOS
2716	if (getKey(rootNode) == 'conferences-and-channels'){
2717	return generateContent(rootNode);
2718	}
2719
2720	if (getKey(rootNode) == 'devops'){
2721	return generateContent(rootNode);
2722	}
2723
2724	if (getKey(rootNode) == 'data-science-software'){
2725	return generateContent(rootNode);
2726	}
2727
2728
2729	var result ="";
2730	var text2 = generateLeadersCore(rootNode)
2731	result += "<center>" + text2 + "</center> <br>";
2732
2733	return result;
2734	}
2735
2736
2737	//FIRST GENERATES A SORTED LIST OF ITEMS IN THIS BRANCH OF THE TREE
2738	//AND THEN PRINTS OUT THE SORTED HISTORY
2739	function generateLeadersCore(rootNode){
2740	var text='';
2741	var i;
2742	var subTitle = " Best Videos Overall ";
2743	var sortedArray = generateTop10(rootNode);
2744
2745	var sortedArrayLength = sortedArray.length;
2746	if (sortedArrayLength === 0 ){
2747	return "";
2748	}
2749
2750	text +='<table class="table table-striped" style = "padding:20px;">';
2751
2752	text += "<tr>" +
2753	TD (' <a href = "https://www.evanmiller.org/how-not-to-sort-by-average-rating.html">Score</a>')+
2754
2755	TD (' Votes ')
2756	if (getKey(rootNode) != rootName){
2757	subTitle = ' Best Videos on ' + getTitle(rootNode);
2758	}
2759
2760	text+= TD( sortedArrayLength.toString() + subTitle ) +
2761
2762
2763	"</tr>";
2764	for (i = sortedArrayLength-1; i >= 0; i--) {
2765	item=sortedArray[i];
2766	text += '<tr>'
2767	text+= '<td align="left"> ' +
2768	item.data.ratio.toFixed(0) +
2769	'% </td>';
2770
2771	votes = '';
2772	if (getUpVotes(item) >0){
2773	votes += getUpVotes(item) + '👍 ';
2774	}
2775	if (getDownVotes(item) >0){
2776	votes+= '<br>' + getDownVotes(item) + '👎 ';
2777	}
2778	text+= TD(' ' + votes + ' ');
2779
2780	text+=TD(' ' + generateLink(item));
2781
2782
2783	text +='</tr>'
2784	}
2785
2786	text +='</table>'
2787
2788
2789	return text;
2790	}
2791
2792
2793
	generateTop10Array
2794
2795	function generateTop10(rootNode){
2796	if ( (getClass(rootNode) == 'Category')
2797	&&
2798	(! hasChildren(rootNode))
2799	){
2800	return "";
2801	}
2802	if (rootNode.data.hasOwnProperty('best')){
2803	return rootNode.data.best;
2804	}
2805	var item;
2806	var i;
2807	var rootNodeChildren=rootNode.children;
2808
2809	//IF IT IS A CONFERENCE, Just show the
2810	//Conference Videos
2811	if (getClass(rootNode)=='Conference'){
2812	var allVideos = [];
2813	getConferenceVideos(getKey(rootNode),root,allVideos);
2814	rootNodeChildren = allVideos;
2815	}
2816	sortedTree=buckets.BSTree(compare);
2817	for (k=0;k<rootNodeChildren.length;k++){
2818	var aChild = rootNodeChildren[k];
2819	sortNodes(aChild);
2820	}
2821
2822	var sortedArray=sortedTree.toArray();
2823
2824	//FOR CONFERENCES SHOW ALL THE TALKS, SORTED.
2825	if (getClass (rootNode)== 'Conference'){
2826	return sortedArray;
2827	}
2828
2829	//OTHERWISE RETURN THE FIRST 10 ITEMS
2830	var sortedArrayLength=sortedArray.length;
2831	var lowerBound=sortedArrayLength-10;
2832	if (lowerBound<0) lowerBound=0;
2833
2834
2835	var shortArray = sortedArray.slice(lowerBound);
2836	rootNode.data.best = shortArray;
2837	return shortArray;
2838	}
2839
2840
2841
2842
	getConferenceVideos
2843	function getConferenceVideos(conferenceName,aNode,allVideos){
2844	var i;
2845	var thisNode;
2846	var children;
2847	if ((getClass(aNode) =="Video")&&
2848	(getConferenceKey(aNode)==conferenceName)){
2849	allVideos.push(aNode);
2850	}
2851	//COULD RETURN IF IT IS A VIDEO.
2852
2853	if (! hasChildren(aNode)){
2854	return;
2855	}
2856	children=aNode.children;
2857
2858	if (children && children.length){
2859	for (i in children){
2860	thisNode=children[i];
2861	getConferenceVideos(conferenceName,thisNode,allVideos);
2862	}
2863	}
2864	}
	historyScripts
2865	function generateLink(item){
2866	return "<a onClick=\"displaySlideNamed('" +
2867	getKey(item) +
2868	"')\">"+
2869	getTitle(item)+"</a>";
2870	}
2871
2872	function openWindow (key){
2873	window.open("/" + key);
2874	}
2875
2876	//TO GENERATE HISTORY HAVE TO SORT ITEMS BY EDIT DATE
2877	//THIS COMPARE FUNCTION DOES THAT
2878	function compareLOG(a,b){
2879
2880	var result = compare2(a,b);
2881	var aRatio = a.data.ratio;
2882	var bRatio = b.data.ratio;
2883	return result;
2884	}
2885	function compare(a, b) {
2886	var aRatio = a.data.ratio;
2887	var bRatio = b.data.ratio;
2888
2889	if (aRatio < bRatio) {
2890	return -1;
2891	} if (aRatio > bRatio) {
2892	return 1;
2893	}
2894	//SAME Ratio, CHECK Totals
2895	if (Number(getUpVotes(a)) < Number(getUpVotes(b))) {
2896	return -1;
2897	} if (Number(getUpVotes(a)) > Number(getUpVotes(b))) {
2898	return 1;
2899	}
2900
2901	//SAME Ratio, same upVotes, CHECK URLS
2902	if (getKey(a) < getKey(b)) {
2903	return 1;
2904	} if (getKey(a) > getKey(b)) {
2905	return -1;
2906	}
2907
2908	// a must be equal to b
2909
2910	return 0;
2911	}
2912
2913	var sortedTree;
2914
2915	function TD(text){
2916	return '<td>' + text + '</td>';
2917	}
2918
2919
2920	//THIS FUNCTION ACTUALLY CREATES A BINARY TREE OF NODES SORTED BY EDIT DATE
2921	//USED TO GENERATE HISTORY
2922	function sortNodes(aNode){
2923
2924	//IF IT IS A VIDEO
2925	if (getClass(aNode) =="Video" ){
2926	aNode.data.ratio = score(aNode);
2927	sortedTree.add(aNode);
2928	return;
2929	}
2930	//NOT A VIDEO? CARRY ON
2931	var i;
2932	//SETS THE RATIO
2933	var children=aNode.children;
2934
2935	if (children && children.length){
2936	for (i in children){
2937	var thisNode=children[i];
2938	sortNodes(thisNode);
2939	}
2940	}
2941
2942	}
	score
2943	//THIS IS THE WILSON SCORE
2944	function aScore (positiveScore, total) {
2945
2946	if (total === 0) {
2947	return {
2948	left: 0,
2949	right: 0
2950	};
2951	}
2952
2953	// phat is the proportion of successes
2954	// in a Bernoulli trial process
2955	const phat = positiveScore / total;
2956
2957	// z is 1-alpha/2 percentile of a standard
2958	// normal distribution for error alpha=5%
2959	const z = 1.96;
2960
2961	// implement the algorithm
2962	// (http://goo.gl/kgmV3g)
2963	const a = phat + z * z / (2 * total);
2964	const b = z * Math.sqrt((phat * (1 - phat) + z * z / (4 * total)) / total);
2965	const c = 1 + z * z / total;
2966
2967	return {
2968	left: (a - b) / c,
2969	right: (a + b) / c
2970	};
2971	}
2972
2973
2974	function score (aNode){
2975	var upVotes, downVotes, total,wilsonScore;
2976	upVotes=Number(getUpVotes(aNode));
2977	downVotes= Number(getDownVotes(aNode));
2978	totalVotes = upVotes + downVotes;
2979
2980	wilson = aScore (upVotes, totalVotes);
2981	return wilson.left* 100;
2982
2983	}
	renderChildCategories
2984	function renderChildLink(item){
2985	return "<a onClick=\"slideDownTo('" +
2986	getKey(item) +
2987	"')\">"+
2988	getTitle(item)+"</a>" +
2989	' (' + getBranchSize(item) + ')';
2990	}
2991
2992	function slideDownTo(key){
2993	var nextNode=tree.getNodeByKey(key);
2994	var index = homeNode.children.indexOf(nextNode);
2995	homeNode.previousChildIndex=index;
2996	setSlides(homeNode);
2997	reload();
2998	$.fn.fullpage.moveSectionDown();
2999
3000	}
3001
3002
3003	function displayChildCategories (slide){
3004	var child;
3005	var children = slide.children;
3006	if ((! children) \|\| (children.length===0)){
3007	return "";
3008	}
3009	var result = "<h3>Child Categories</h3><br>";
3010	if (getKey(slide) == 'conferences-and-channels'){
3011	result = "<h3>Conferences Indexed</h3><br>";
3012	}
3013
3014	for (var i in slide.children) {
3015	child = slide.children[i];
3016	if (getClass(child) != "Video"){
3017	result += renderChildLink(child) + "<br><br>";
3018	}
3019
3020	}
3021	//result += "</div>";
3022	return result;
3023
3024	}
3025
3026
3027	//IF ANY CHILD IS A CONFERENCE OR CATEGORY
3028	//DISPLAY THE LIST
3029	function renderChildCategories(slide){
3030	var child;
3031	if (slide.children === null){
3032	return "";
3033	}
3034	if (slide.children.length === 0){
3035	return "";
3036	}
3037	for (var i in slide.children) {
3038	child = slide.children[i];
3039	if (getClass(child) != "Video"){
3040	return displayChildCategories(slide);
3041	}
3042	}
3043	return "";
3044	}
3045
	renderSlide
3046	var showBest = true;
3047
3048
3049
3050	function generateLeadersOrContent(slide){
3051	return '<div id = "bestContent' +
3052	'-' + getKey(slide) + '" >'+
3053	generateLeadersOrContentCore(slide) +
3054	"</div>";
3055	}
3056	var isMobile = true;
3057	function renderSlide(slide,index){
3058	var result = ""
3059
3060	result += template(
3061	{'showSearch':showSearch,
3062	'node':slide,
3063	'upVote':upVote,
3064	'downVote': downVote,
3065	'getClass': getClass,
3066	'renderServerOptions': renderServerOptions,
3067	'isAuthenticated': isAuthenticated,
3068	'twitterLinkFront': twitterLinkFront,
3069	'twitterLinkBack': twitterLinkBack,
3070	'twitterId': twitterId
3071	});
3072
3073	result += addArrows(slide);
3074
3075	result +='<div style = "padding-left: 20px">';
3076
3077	result += breadcrumbs(slide,index)
3078
3079	result += renderTitle(slide) +
3080	"<br>" //+
3081	getSubTitle(slide)
3082
3083
3084	if ((getClass(slide) == 'Video')){
3085
3086	var conference = getConference(slide);
3087	result += '<h5 class="text-primary" style = "margin-left:50%">-'+
3088	'<a onClick="displaySlideNamed(' + "'" + getConferenceKey(slide) + "')" +'">'+
3089	getTitle(conference) +'</a></h5>';
3090	}
3091
3092
3093	if (isMobile){
3094	result+= "<center>";
3095	}
3096	result +=renderDescription (slide);
3097	if (isMobile){
3098
3099	result+= "</center>";
3100	}
3101	result += '<div id="buttons">';
3102	result += renderButtons(slide,index);
3103	result +='</div>';
3104	result += renderContentDiv(slide)
3105
3106
3107	result += socialMediaLinks(slide);
3108	result += renderExtra();
3109	result += '</div>';
3110	return result;
3111	}
	rootname
3112	var rootName='';
3113	var mobileJson ='';
3114	var deskTopJson ='';
3115	var domain= window.location.hostname.toLowerCase();
3116	var searchURL = "/search";
3117	var contactURL = "/contact";
3118	var twitterId ="PythonLinks";
3119
3120	if (domain=='pythonlinks.info'){
3121	mobileJson='https://json.PythonLinks.info/python/json';
3122	rootName ='python';
3123	twitterId ="PythonLinks";
3124	}
3125
3126	else if (domain=='desktop.pythonlinks.info'){
3127	deskTopJson= 'https://json.PythonLinks.info/python/tree.json';
3128	rootName ='python';
3129	twitterId ="PythonLinks";
3130	}
3131
3132	else if (domain=='climatevideos.info'){
3133	mobileJson='https://json.PythonLinks.info/climate-change/json';
3134	rootName='climate-change';
3135	contactURL = "/contact2";
3136	searchURL = "/search2";
3137	twitterId ="ChangeClimate";
3138	}
3139
3140
3141	else if (domain=='desktop.climatevideos.info'){
3142	deskTopJson='https://json.PythonLinks.info/climate-change/tree.json';
3143	rootName='climate-change';
3144	contactURL = "/contact2";
3145	searchURL = "/search2";
3146	twitterId ="ChangeClimate";
3147	}
3148
3149	//AND NOW FOR GoLang
3150	else if (domain=='cloud-native.pl'){
3151	mobileJson='https://json.PythonLinks.info/cloud-native/json';
3152	rootName='cloud-native';
3153	contactURL = "/golang-contact";
3154	searchURL = "/golang-search";
3155	twitterId ="golangwarsaw1";
3156	}
3157
3158
3159	else if (domain=='desktop.cloud-native.pl'){
3160	deskTopJson='https://json.PythonLinks.info/cloud-native/tree.json';
3161	rootName='cloud-native';
3162	contactURL = "/golang-contact";
3163	searchURL = "/golang-search";
3164	twitterId ="golangwarsaw1 ";
3165	}
3166
3167
3168	else if (domain=='dev.pythonlinks.info'){
3169	rootName ='python';
3170	mobileJson='/python/json';
3171	deskTopJson='/python/tree.json';
3172	var twitterId ="PythonLinks";
3173	//rootName ='climate-change';
3174	//mobileJson='/climate-change/json';
3175	//deskTopJson='/climate-change/tree.json';
3176	//searchURL = "/search2";
3177	//contactURL = "/contact2";
3178
3179	}
3180
3181
	callbackVisit
3182
3183	/** Call fn(node) for all child nodes.<br>
3184	* Stop iteration, if fn() returns false. Skip current branch, if fn() returns "skip".<br>
3185	* Return false if iteration was stopped.
3186	*
3187	* @param {function} fn the callback function.
3188	* Return false to stop iteration, return "skip" to skip this node and
3189	* its children only.
3190	* @param {boolean} [includeSelf=false]
3191	* @returns {boolean}
3192	*/
3193
3194
3195	function callbackVisit(item,fn, includeSelf) {
3196	var i,
3197	l,
3198	res = true,
3199	children = item.children;
3200	if( includeSelf === true ) {
3201	res = fn(item);
3202	if( res === false \|\| res === "skip" ){
3203	return res;
3204	}
3205	}
3206	if(children&&(children.length>0)){
3207	callbackCount++;
3208
3209	aFunction = function(){
3210	for(i=0, l=children.length; i<l; i++){
3211	callbackVisit(children[i],fn, true);
3212	}
3213	callbackCount--;
3214	if (callbackCount===0){
3215	reSearch(fn);
3216	}
3217	};
3218	setTimeout(aFunction, 1);
3219	}
3220
3221
3222
3223	}
3224
3225
3226
3227
3228
3229	function callVisit(item,fn) {
3230	return callbackVisit(item.rootNode,fn, false);
3231	}
	childrenFunctions
3232
3233	function getSiblings (item){
3234	if (isRoot(item)){
3235	return [item];
3236	}
3237	return item.parent.children;
3238	}
3239
	parent-functions
3240	function pageTitle(node){
3241	var nodeParents= parents(node);
3242	var arrayLength = nodeParents.length;
3243	var result =[];
3244	for (var i = 0; i < arrayLength; i++) {
3245	result.push (getTitle(nodeParents[i]));
3246	}
3247	return result.join(' -> ');
3248
3249	}
3250
3251	//Starting with parent
3252	function reversedParents(node){
3253	var result=[];
3254	while (true){
3255	result.push(node);
3256	if (isRoot(node)){
3257	return result;
3258	}
3259	node=node.parent;
3260	}
3261	}
3262
3263	//Starting with first ancenstor
3264	function parents(node){
3265	return reversedParents(node).reverse();
3266	}
	pushpopstate
3267	function addSortBy(){
3268	return '?sortBy=' + sortBy;
3269	}
3270	function saveCurrentURL(){
3271
3272	var domain= window.location.hostname;
3273	var location=getKey(homeNode);
3274
3275	var url="https://" + domain + "/" + location + addSortBy();
3276
3277
3278	var title=getTitle(homeNode);
3279	var data={key:getKey(homeNode)};
3280
3281
3282	history.pushState(data, title, url);
3283
3284	}
3285
3286	function saveCurrentURLAndSearch(){
3287
3288	var domain= window.location.hostname;
3289	var location=homeNode.key;
3290	var search=window.location.search;
3291
3292	var url="https://" + domain + "/" + location;
3293	if (search){
3294	url+= search;
3295	}
3296	var title=homeNode.title;
3297	var data={key:homeNode.key};
3298
3299
3300	history.pushState(data, title, url);
3301
3302	}
	regexp
3303
3304
3305	//FUNCTION TO SPLIT A SEARCH STRING INTO W LIST OF WORDS,
3306	// AND THEN CREATRE A LIST OF REGEXP
3307	// FROM IT. This is needed to implement "SearchTermm1" and "SearchTerm2"
3308
3309
3310	function _escapeRegex(str){
3311	/jshint regexdash:true /
3312	return (str + "").replace(/([.?*+\^\$\[\]\\(){}\|-])/g, "\\$1");
3313	}
3314
3315
3316	//FUNCTION TO SPLIT A SEARCH STRING INTO W LIST OF WORDS,
3317	// AND THEN CREATRE A LIST OF REGEXP
3318	// FROM IT. This is needed to implement "SearchTermm1" and "SearchTerm2"
3319
3320	function getRegxpArray(match) {
3321	if (match=="all"){
3322	return [new RegExp(".")];
3323	}
3324	if (match=="All"){
3325	return [new RegExp(".")];
3326	}
3327	var regexpArray=[];
3328	var i;
3329	var input;
3330	var k=0;
3331	var subStrings=match.split(/\s+/i);
3332	for (i in subStrings){
3333	if (subStrings[i]!==""){
3334	input= _escapeRegex(subStrings[i]);
3335	regexpArray[k]=new RegExp(input, "i");
3336	k++;
3337	}
3338	}
3339	return regexpArray;
3340	}
3341
	resizeText
3342	function resizeText(multiplier) {
3343	if (document.body.style.fontSize === "") {
3344	document.body.style.fontSize = "2.0em";
3345	}
3346	document.body.style.fontSize = parseFloat(document.body.style.fontSize) + (multiplier * 0.2) + "em";
3347	localRebuild();
3348
3349	}
3350
	scaleVideos
3351	function resizeVideos( arg1, arg2, containerQuery){
3352	//should be "body"
3353	// Find all YouTube videos
3354	var $allVideos = $("iframe[src^='https://www.youtube.com']"),
3355
3356	// The element that is fluid width
3357	$fluidEl = $(containerQuery);
3358
3359	// Figure out and save aspect ratio for each video
3360	$allVideos.each(function() {
3361
3362	$(this)
3363	.data('aspectRatio', this.height / this.width)
3364	.data('width', this.width)
3365
3366	// and remove the hard coded width/height
3367	.removeAttr('height')
3368	.removeAttr('width');
3369
3370	});
3371
3372	function resize () {
3373
3374	var newWidth = $fluidEl.width();
3375	if (newWidth > 800){
3376	newWidth = 0.8 * newWidth;
3377	}
3378	// Resize all videos according to their own aspect ratio
3379	$allVideos.each(function() {
3380
3381	var $el = $(this);
3382	$el
3383	.width(newWidth)
3384	.height(newWidth * $el.data('aspectRatio'));
3385
3386	});
3387	localRebuild();
3388
3389	// Kick off one resize to fix all videos on page load
3390	}
3391	resize();
3392	}
	setChildINdex
3393	//onSLideLeave
3394	function setChildIndex(){
3395	if (homeNode.parent!== null)
3396	homeNode.parent.previousChildIndex = getSiblings(homeNode).indexOf(homeNode);
3397	}
	setTitle
3398	function setTitle(node){
3399	if (node.data.class == 'Video'){
3400	node.title = score(node).toFixed(0) + '% '
3401	+ node.data.upVotes + '👍 ' +
3402	node.data.downVotes + '👎 '+
3403	node.title;
3404	}
3405	return true;
3406	}
	showRedirect
3407	function showRedirect(node){
3408	if ((isMobile && (node==landingPage))) {
3409	var url = "https://" +
3410	"desktop." + domain + '/' + getKey(node);
3411	return '<center> <a href="' + url +
3412	'">Desktop Site (Beta)</a></center>';
3413	}
3414	return "";
3415	}
	signout
3416	function renderSignOutOption(){
3417	if (isAuthenticated){
3418	return lili( '<a class="text-primary" onclick="signOut()">Sign Out</a>');
3419	}
3420	else
3421	{return "";}
3422	}
3423
3424	function signOut(){
3425	window.location.href = "/" + getKey(homeNode) + "/logout2";
3426	}
	vote
3427	function registerVoter(){
3428	window.location.href="/" + homeNode.key + "/register/voter";
3429	}
3430
3431
3432	function recordVotes(responseText,itemName){
3433
3434	var result = responseText.split (" , ");
3435	document.getElementById(itemName + "-" + "upVotes").innerHTML = result [0];
3436	document.getElementById(itemName + "-" + "downVotes").innerHTML = result [1];
3437	}
3438
3439	function upVote(){
3440	var itemName = getKey(homeNode);
3441
3442	if (isAuthenticated){
3443	var xhttp = new XMLHttpRequest();
3444	xhttp.onreadystatechange = function() {
3445	if (this.readyState == 4 && this.status == 200) {
3446	recordVotes(this.responseText,itemName);
3447	}
3448	};
3449	var url = "/" + homeNode.key + "/upVote";
3450	xhttp.open("GET", url, true);
3451	xhttp.send();
3452	return;
3453	}
3454	registerVoter();
3455	}
3456
3457	function downVote(){
3458	var itemName = getKey(homeNode);
3459
3460	if (isAuthenticated){
3461	var xhttp = new XMLHttpRequest();
3462	xhttp.onreadystatechange = function() {
3463	if (this.readyState == 4 && this.status == 200) {
3464	recordVotes(this.responseText,itemName);
3465	}
3466	};
3467	var url = "/" + homeNode.key + "/downVote";
3468	xhttp.open("GET", url, true);
3469	xhttp.send();
3470	return;
3471	}
3472	registerVoter();
3473
3474	}
3475
3476
3477
3478
	twitterImage
3479	var showBest = true;
3480
3481	function renderTwitterImage(){
3482	return '' +
3483	'<img src="https://pythonlinks.info//static/graphics/Tweet.png" '+
3484	'alt="I wanted to add users tweets to my website, but Twitter'+
3485	'would then track every page that you visit. Not good for privacy. ' +
3486	'So if you are kind enough to tweet comments, I will link to them."'+
3487	'style = "max-width:100%;" onload="localRebuild">' +
3488	'<br>     Privacy Protecting Tweet Image';
3489
3490
3491	}
3492
3493	function showIntroductoryVideo(slide){
3494	if ((slide == landingPage)&&isMobile&& (rootName == 'python'))
3495	{
3496	return '<h3 style = "text-align:center;">'+
3497	'<a onClick="displaySlideNamed('+
3498	"'introductory-video')"+ '">' +
3499	'Introductory Video</a></h3>'+
3500	'<p style="text-align:center">' + news + "</p>";
3501	}
3502	else {
3503	return '';
3504	}
3505	}
3506
3507	function generateLeadersOrContent(slide){
3508	return '<div id = "bestContent' +
3509	'-' + getKey(slide) + '" >'+
3510	generateLeadersOrContentCore(slide) +
3511	"</div>";
3512	}
	twitterlink
3513
3514	function twitterLinkFront(){
3515	var result ="";
3516	var base = 'https://twitter.com/intent/follow?screen_name=';
3517	result += '<a href="' + base +
3518	twitterId +
3519	'">'
3520	return result;
3521	}
3522	function twitterLinkBack(){
3523	return + '</a>';
3524	}
3525