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/* global console */ |
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/* global visualizer */ |
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/* global jQuery */ |
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window['vizClipboard1'] = window['vizClipboard1'] || null; |
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window['vizClipboard2'] = window['vizClipboard2'] || null; |
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(function($, visualizer){ |
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|
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function initActionsButtons(v) { |
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if($('a.visualizer-chart-shortcode').length > 0 && vizClipboard1 === null) { |
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vizClipboard1 = new ClipboardJS('a.visualizer-chart-shortcode'); // jshint ignore:line |
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vizClipboard1.on('success', function(e) { |
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window.alert(v.i10n['copied']); |
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|
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}); |
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} |
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|
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if($('a.visualizer-action[data-visualizer-type=copy]').length > 0 && vizClipboard2 === null) { |
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$('a.visualizer-action[data-visualizer-type=copy]').on('click', function(e) { |
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e.preventDefault(); |
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}); |
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vizClipboard2 = new ClipboardJS('a.visualizer-action[data-visualizer-type=copy]'); // jshint ignore:line |
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vizClipboard2.on('success', function(e) { |
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window.alert(v.i10n['copied']); |
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}); |
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} |
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$('a.visualizer-action[data-visualizer-type!=copy]').off('click').on('click', function(e) { |
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var type = $(this).attr( 'data-visualizer-type' ); |
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var chart = $(this).attr( 'data-visualizer-chart-id' ); |
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var container = $(this).attr( 'data-visualizer-container-id' ); |
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var lock = $('.visualizer-front.visualizer-front-' + chart); |
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var mime = $(this).attr( 'data-visualizer-mime' ); |
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lock.lock(); |
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e.preventDefault(); |
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$.ajax({ |
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url : v.rest_url.replace('#id#', chart).replace('#type#', type), |
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beforeSend: function ( xhr ) { |
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xhr.setRequestHeader( 'X-WP-Nonce', v.wp_nonce ); |
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}, |
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success: function(data) { |
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if (data && data.data) { |
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switch(type){ |
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case 'csv': |
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var blob = new Blob([data.data.csv], {type: mime }); |
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if(window.navigator.msSaveOrOpenBlob){ |
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window.navigator.msSaveOrOpenBlob(blob, data.data.name); |
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} else { |
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var url = window.URL.createObjectURL(blob); |
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var $a = $("<a>"); |
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$a.attr("href", url); |
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$("body").append($a); |
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$a.attr("download", data.data.name); |
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$a[0].click(); |
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setTimeout(function () { |
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window.URL.revokeObjectURL(url); |
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$a.remove(); |
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}, 100); |
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} |
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break; |
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case 'xls': |
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if(window.navigator.msSaveOrOpenBlob){ |
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blob = new Blob([s2ab(atob(data.data.raw))], {type: '' }); |
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window.navigator.msSaveOrOpenBlob(blob, data.data.name); |
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} else { |
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var $a = $("<a>"); // jshint ignore:line |
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$a.attr("href", data.data.csv); |
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$("body").append($a); |
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$a.attr("download", data.data.name); |
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$a[0].click(); |
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$a.remove(); |
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} |
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break; |
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case 'print': |
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case 'image': |
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$('body').trigger('visualizer:action:specificchart', {action: type, id: container, data: data.data.csv, dataObj: data.data}); |
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break; |
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default: |
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if(window.visualizer_perform_action) { |
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window.visualizer_perform_action(type, chart, data.data); |
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} |
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break; |
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} |
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} |
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lock.unlock(); |
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} |
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}); |
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}); |
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} |
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|
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function s2ab(s) { |
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var buf = new ArrayBuffer(s.length); |
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var view = new Uint8Array(buf); |
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for (var i=0; i !== s.length; ++i) { |
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view[i] = s.charCodeAt(i) & 0xFF; |
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} |
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return buf; |
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} |
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|
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$(document).ready(function(){ |
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|
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// for updating the currently displayed chart (preview mode) |
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window.vizUpdateChartPreview = function(){ |
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var event = new CustomEvent('visualizer:render:currentchart:update', {detail: {visualizer: visualizer}}); |
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document.body.dispatchEvent(event); |
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}; |
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|
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initChartDisplay(); |
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initActionsButtons(visualizer); |
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registerDefaultActions(); |
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}); |
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|
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function initChartDisplay() { |
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if(visualizer.is_front == true){ // jshint ignore:line |
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displayChartsOnFrontEnd(); |
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} else { |
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showChart(); |
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} |
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} |
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|
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/** |
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* If an `id` is provided, that particular chart will load. |
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*/ |
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function showChart(id) { |
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// clone the visualizer object so that the original object is not affected. |
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var viz = Object.assign(visualizer, window.visualizer || {}); |
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if(id){ |
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viz.id = id; |
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} |
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$('body').trigger('visualizer:render:chart:start', viz); |
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} |
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|
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function displayChartsOnFrontEnd() { |
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function renderVisibleLazyCharts() { |
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$('div.visualizer-front:not(.viz-facade-loaded):not(.visualizer-lazy):not(.visualizer-cw-error):empty').each(function(index, element){ |
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// Do not render charts that are intentionally hidden. |
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const style = window.getComputedStyle(element); |
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if (style.display === 'none' || style.visibility === 'hidden') { |
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return; |
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} |
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|
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// Only render charts that are currently within the viewport. |
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const rect = element.getBoundingClientRect(); |
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const inViewport = rect.bottom >= 0 && rect.top <= (window.innerHeight || document.documentElement.clientHeight); |
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if (!inViewport) { |
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return; |
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} |
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|
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const id = $(element).addClass('viz-facade-loaded').attr('id'); |
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setTimeout(function(){ |
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// Add a short delay between each chart to avoid overloading the browser event loop. |
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showChart(id); |
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}, ( index + 1 ) * 100); |
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}); |
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} |
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|
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$(window).on('scroll', renderVisibleLazyCharts); |
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|
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// Run once on page load to render any lazy charts already in the viewport. |
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renderVisibleLazyCharts(); |
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|
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$('div.visualizer-front-container:not(.visualizer-lazy-render)').each(function(index, element){ |
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// Do not render charts that are intentionally hidden. |
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const style = window.getComputedStyle($(element).find('.visualizer-front')[0]); |
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if (style.display === 'none' || style.visibility === 'hidden') { |
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return; |
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} |
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|
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const id = $(element).find('.visualizer-front').addClass('viz-facade-loaded').attr('id'); |
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setTimeout(function(){ |
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// Add a short delay between each chart to avoid overloading the browser event loop. |
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showChart(id); |
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}, ( index + 1 ) * 100); |
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}); |
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|
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// interate through all charts that are to be lazy-loaded and observe each one. |
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$('div.visualizer-front.visualizer-lazy').each(function(index, element){ |
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var id = $(element).attr('id'); |
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var limit = $(element).attr('data-lazy-limit'); |
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if(!limit){ |
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limit = 300; |
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} |
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var target = document.querySelector('#' + id); |
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|
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// configure the intersection observer instance |
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var intersectionObserverOptions = { |
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root: null, |
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rootMargin: limit + 'px', |
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threshold: 0 |
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}; |
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|
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var observer = new IntersectionObserver(function(entries) { |
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entries.forEach(function(entry) { |
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if (entry.isIntersecting) { |
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observer.unobserve(target); |
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showChart($(entry.target).attr('id')); |
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} |
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}); |
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}, intersectionObserverOptions); |
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|
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// start observing. |
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observer.observe(target); |
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}); |
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} |
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|
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function registerDefaultActions(){ |
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$('body').off('visualizer:action:specificchart:defaultprint').on('visualizer:action:specificchart:defaultprint', function(event, v){ |
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var iframe = $('<iframe>').attr("name", "print-visualization").attr("id", "print-visualization").css("position", "absolute"); |
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iframe.appendTo($('body')); |
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var iframe_doc = iframe.get(0).contentWindow || iframe.get(0).contentDocument.document || iframe.get(0).contentDocument; |
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iframe_doc.document.open(); |
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iframe_doc.document.write(v.data); |
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iframe_doc.document.close(); |
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setTimeout(function(){ |
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window.frames['print-visualization'].focus(); |
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window.frames['print-visualization'].print(); |
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iframe.remove(); |
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}, 500); |
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}); |
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} |
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})(jQuery, visualizer); |
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|
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(function ($) { |
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$.fn.lock = function () { |
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$(this).each(function () { |
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var $this = $(this); |
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var position = $this.css('position'); |
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|
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if (!position) { |
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position = 'static'; |
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} |
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|
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switch (position) { |
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case 'absolute': |
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case 'relative': |
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break; |
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default: |
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$this.css('position', 'relative'); |
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break; |
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} |
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$this.data('position', position); |
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|
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var width = $this.width(), |
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height = $this.height(); |
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|
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var locker = $('<div class="locker"></div>'); |
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locker.width(width).height(height); |
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|
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var loader = $('<div class="locker-loader"></div>'); |
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loader.width(width).height(height); |
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|
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locker.append(loader); |
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$this.append(locker); |
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$(window).resize(function () { |
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$this.find('.locker,.locker-loader').width($this.width()).height($this.height()); |
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}); |
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}); |
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|
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return $(this); |
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}; |
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|
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$.fn.unlock = function () { |
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$(this).each(function () { |
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$(this).find('.locker').remove(); |
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$(this).css('position', $(this).data('position')); |
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}); |
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|
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return $(this); |
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}; |
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})(jQuery); |
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|
