39 lines
1023 B
JavaScript
39 lines
1023 B
JavaScript
var globalObject;
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$('#update').click(function () {
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updateData(globalObject);
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fillTable(globalObject, $('table'));
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graphSpectralData(globalObject, $('#spectrogram'));
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});
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// jQuery event binder
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function updateData (obj) {
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// download data from backend into obj
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const url = 'http://' + window.location.hostname + ':5000/data';
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// I understand how bad this line looks. Please don't judge me...
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$.get(url, function (data, status) { // standard jQuery AJAX
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obj = data;
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});
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}
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function fillTable (obj, dom) {
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// applies data in obj[0] to HTML tags with the obj's key as ID.
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// useful mostly for slapping spectrometer JSON into HTML tables.
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for (var i in obj[0]) {
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$(dom).find('#' + i).text(obj[0][i]);
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}
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}
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function graphSpectralData(obj, dom) {
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// graphs the data from obj[0] into canvas at dom
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var chart = new Chart(dom, {
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type: 'line',
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data: {
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labels: obj[0].keys(),
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datasets: [{
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label: 'Spectrometer data',
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data: obj[0].values()
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}]
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}
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});
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}
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