62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
class HistogramChartView {
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#canvas;
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#chart;
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constructor(canvas) {
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this.#canvas = canvas;
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}
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displayChart(histoDescr) {
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if (this.#chart != null) {
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this.#chart.destroy();
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}
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this.#chart = new Chart(
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this.#canvas,
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{
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type: 'bar',
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data: this.#getData(histoDescr),
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options: this.#getOptions()
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});
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}
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// setData(data) {
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// this.#chart.config.data.datasets[0].data = data;
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// this.#chart.update();
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// }
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#getData(histoDescr) {
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const { 'keys': symptoms, 'values': frequencies } = Utils.getKeysAlignedWithValues(histoDescr.histogram);
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return {
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labels: symptoms,
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datasets: [{
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label: histoDescr.batchcodes.join(', '),
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data: frequencies
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}]
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};
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}
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#getOptions() {
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return {
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indexAxis: 'y',
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responsive: true,
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scales: {
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y: {
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title: {
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display: true,
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text: 'Symptom'
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}
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},
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x: {
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ticks: {
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precision: 0
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},
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title: {
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display: true,
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text: 'Frequency'
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}
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}
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}
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};
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}
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} |