← All changes | js/render-facade.js +23 -111 4.0.5 → 3.4.4 View file →

		@@ -1,26 +1,17 @@
1	1	/* global console */
2	2	/* global visualizer */
3	3	/* global jQuery */
4		-window['vizClipboard1'] = window['vizClipboard1'] || null;
5		-window['vizClipboard2'] = window['vizClipboard2'] || null;
	4	+
6	5	(function($, visualizer){
7		-
	6	+
8	7	function initActionsButtons(v) {
9		- if($('a.visualizer-chart-shortcode').length > 0 && vizClipboard1 === null) {
10		- vizClipboard1 = new ClipboardJS('a.visualizer-chart-shortcode'); // jshint ignore:line
11		- vizClipboard1.on('success', function(e) {
12		- window.alert(v.i10n['copied']);
13		-
14		- });
15		- }
16		-
17		- if($('a.visualizer-action[data-visualizer-type=copy]').length > 0 && vizClipboard2 === null) {
	8	+ if($('a.visualizer-action[data-visualizer-type=copy]').length > 0) {
18	9	$('a.visualizer-action[data-visualizer-type=copy]').on('click', function(e) {
19	10	e.preventDefault();
20	11	});
21		- vizClipboard2 = new ClipboardJS('a.visualizer-action[data-visualizer-type=copy]'); // jshint ignore:line
22		- vizClipboard2.on('success', function(e) {
	12	+ var clipboard = new Clipboard('a.visualizer-action[data-visualizer-type=copy]'); // jshint ignore:line
	13	+ clipboard.on('success', function(e) {
23	14	window.alert(v.i10n['copied']);
24	15	});
25	16	}
26	17	$('a.visualizer-action[data-visualizer-type!=copy]').off('click').on('click', function(e) {
		@@ -32,11 +23,8 @@
32	23	lock.lock();
33	24	e.preventDefault();
34	25	$.ajax({
35	26	url : v.rest_url.replace('#id#', chart).replace('#type#', type),
36		- beforeSend: function ( xhr ) {
37		- xhr.setRequestHeader( 'X-WP-Nonce', v.wp_nonce );
38		- },
39	27	success: function(data) {
40	28	if (data && data.data) {
41	29	switch(type){
42	30	case 'csv':
		@@ -102,105 +90,29 @@
102	90	var event = new CustomEvent('visualizer:render:currentchart:update', {detail: {visualizer: visualizer}});
103	91	document.body.dispatchEvent(event);
104	92	};
105	93
106		- initChartDisplay();
	94	+ // facade loads N times in the library and front end (where N = the number of different chart libraries supported)
	95	+ // so all charts are also loaded N times
	96	+ // this will ensure that no matter how many times facade is loaded, it initializes all charts only once.
	97	+ // fixed as part of the issue to add annotations.
	98	+ if(localStorage.getItem( 'viz-facade-loaded' ) === '1'){
	99	+ // prevent library from hanging.
	100	+ setTimeout( function(){
	101	+ localStorage.removeItem( 'viz-facade-loaded' );
	102	+ }, 2000);
	103	+ return;
	104	+ }
	105	+ localStorage.setItem( 'viz-facade-loaded', '1');
	106	+ // remove the flag so that repeated loading of the library does not cause problems.
	107	+ setTimeout( function(){
	108	+ localStorage.removeItem( 'viz-facade-loaded' );
	109	+ }, 2000);
	110	+
	111	+ $('body').trigger('visualizer:render:chart:start', visualizer);
107	112	initActionsButtons(visualizer);
108	113	registerDefaultActions();
109	114	});
110		-
111		- function initChartDisplay() {
112		- if(visualizer.is_front == true){ // jshint ignore:line
113		- displayChartsOnFrontEnd();
114		- } else {
115		- showChart();
116		- }
117		- }
118		-
119		- /**
120		- * If an `id` is provided, that particular chart will load.
121		- */
122		- function showChart(id) {
123		- // clone the visualizer object so that the original object is not affected.
124		- var viz = Object.assign(visualizer, window.visualizer || {});
125		- if(id){
126		- viz.id = id;
127		- }
128		- $('body').trigger('visualizer:render:chart:start', viz);
129		- }
130		-
131		- function displayChartsOnFrontEnd() {
132		- function renderVisibleLazyCharts() {
133		- $('div.visualizer-front:not(.viz-facade-loaded):not(.visualizer-lazy):not(.visualizer-cw-error):empty').each(function(index, element){
134		- // Do not render charts that are intentionally hidden.
135		- const style = window.getComputedStyle(element);
136		- if (style.display === 'none' || style.visibility === 'hidden') {
137		- return;
138		- }
139		-
140		- // Only render charts that are currently within the viewport.
141		- const rect = element.getBoundingClientRect();
142		- const inViewport = rect.bottom >= 0 && rect.top <= (window.innerHeight || document.documentElement.clientHeight);
143		- if (!inViewport) {
144		- return;
145		- }
146		-
147		- const id = $(element).addClass('viz-facade-loaded').attr('id');
148		- setTimeout(function(){
149		- // Add a short delay between each chart to avoid overloading the browser event loop.
150		- showChart(id);
151		- }, ( index + 1 ) * 100);
152		- });
153		- }
154		-
155		- $(window).on('scroll', renderVisibleLazyCharts);
156		-
157		- // Run once on page load to render any lazy charts already in the viewport.
158		- renderVisibleLazyCharts();
159		-
160		- $('div.visualizer-front-container:not(.visualizer-lazy-render)').each(function(index, element){
161		- // Do not render charts that are intentionally hidden.
162		- const style = window.getComputedStyle($(element).find('.visualizer-front')[0]);
163		- if (style.display === 'none' || style.visibility === 'hidden') {
164		- return;
165		- }
166		-
167		- const id = $(element).find('.visualizer-front').addClass('viz-facade-loaded').attr('id');
168		- setTimeout(function(){
169		- // Add a short delay between each chart to avoid overloading the browser event loop.
170		- showChart(id);
171		- }, ( index + 1 ) * 100);
172		- });
173		-
174		- // interate through all charts that are to be lazy-loaded and observe each one.
175		- $('div.visualizer-front.visualizer-lazy').each(function(index, element){
176		- var id = $(element).attr('id');
177		- var limit = $(element).attr('data-lazy-limit');
178		- if(!limit){
179		- limit = 300;
180		- }
181		- var target = document.querySelector('#' + id);
182		-
183		- // configure the intersection observer instance
184		- var intersectionObserverOptions = {
185		- root: null,
186		- rootMargin: limit + 'px',
187		- threshold: 0
188		- };
189		-
190		- var observer = new IntersectionObserver(function(entries) {
191		- entries.forEach(function(entry) {
192		- if (entry.isIntersecting) {
193		- observer.unobserve(target);
194		- showChart($(entry.target).attr('id'));
195		- }
196		- });
197		- }, intersectionObserverOptions);
198		-
199		- // start observing.
200		- observer.observe(target);
201		- });
202		- }
203	115
204	116	function registerDefaultActions(){
205	117	$('body').off('visualizer:action:specificchart:defaultprint').on('visualizer:action:specificchart:defaultprint', function(event, v){
206	118	var iframe = $('<iframe>').attr("name", "print-visualization").attr("id", "print-visualization").css("position", "absolute");