98 lines
2.1 KiB
JavaScript
98 lines
2.1 KiB
JavaScript
import loadScript from "discourse/lib/load-script";
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import { default as computed } from "discourse-common/utils/decorators";
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import themeColor from "../lib/themeColor";
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export default Ember.Component.extend({
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barsColor: themeColor("--tertiary"),
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barsHoverColor: themeColor("--tertiary-high"),
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gridColor: themeColor("--primary-low"),
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labelsColor: themeColor("--primary-medium"),
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chart: null,
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@computed("data", "options")
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config(data, options) {
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return {
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type: "bar",
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data,
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options,
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};
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},
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@computed("labels.[]", "values.[]", "datasetName")
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data(labels, values, datasetName) {
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return {
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labels,
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datasets: [
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{
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label: datasetName,
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data: values,
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backgroundColor: this.barsColor,
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hoverBackgroundColor: this.barsHoverColor,
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},
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],
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};
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},
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@computed
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options() {
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return {
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scales: {
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legend: {
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labels: {
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fontColor: this.labelsColor,
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},
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},
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xAxes: [
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{
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gridLines: {
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color: this.gridColor,
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zeroLineColor: this.gridColor,
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},
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ticks: {
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fontColor: this.labelsColor,
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},
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},
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],
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yAxes: [
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{
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gridLines: {
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color: this.gridColor,
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zeroLineColor: this.gridColor,
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},
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ticks: {
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beginAtZero: true,
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fontColor: this.labelsColor,
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},
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},
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],
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},
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};
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},
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didInsertElement() {
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this._super(...arguments);
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this._initChart();
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},
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didUpdate() {
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this._super(...arguments);
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this.chart.data = this.data;
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this.chart.update();
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},
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willDestroyElement() {
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this._super(...arguments);
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this.chart.destroy();
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},
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_initChart() {
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loadScript("/javascripts/Chart.min.js").then(() => {
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const canvas = this.element.querySelector("canvas");
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const context = canvas.getContext("2d");
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const config = this.config;
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// eslint-disable-next-line
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this.chart = new Chart(context, config);
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});
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},
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});
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