80 lines
2.1 KiB
JavaScript
80 lines
2.1 KiB
JavaScript
class BatchcodeByCountryBarChart {
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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(barChartDescription) {
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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(barChartDescription),
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options: this.#getOptions()
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});
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}
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setData(barChartDescription) {
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const data = this.#getData(barChartDescription);
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this.#chart.config.data = data;
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this.#chart.update();
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}
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#getData(barChartDescription) {
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return {
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labels: barChartDescription.countries,
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datasets: [
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{
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label: `Known (${this.#dateRange2str(barChartDescription['date range known'])})`,
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data: barChartDescription["Adverse Reaction Reports known"]
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},
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{
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label: `Guessed (${this.#dateRange2str(barChartDescription['date range guessed'])})`,
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data: barChartDescription["Adverse Reaction Reports guessed"]
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}
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]
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};
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}
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#dateRange2str(dateRange) {
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return `${dateRange.start} - ${dateRange.end}`;
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}
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#getOptions() {
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return {
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plugins: {
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datalabels: {
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anchor: 'end',
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align: 'top'
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}
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},
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title: {
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display: true,
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position: 'top'
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},
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scales: {
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y: {
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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: 'Adverse Reaction Reports'
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}
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},
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x: {
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title: {
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display: true,
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text: 'Country'
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}
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}
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}
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};
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}
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} |