discourse-data-explorer/assets/javascripts/discourse/components/data-explorer-bar-chart.js

92 lines
2.0 KiB
JavaScript

import Component from "@glimmer/component";
import loadScript from "discourse/lib/load-script";
import themeColor from "../lib/themeColor";
import { bind } from "discourse-common/utils/decorators";
import { action } from "@ember/object";
export default class DataExplorerBarChart extends Component {
chart;
barsColor = themeColor("--tertiary");
barsHoverColor = themeColor("--tertiary-high");
gridColor = themeColor("--primary-low");
labelsColor = themeColor("--primary-medium");
get config() {
const data = this.data;
const options = this.options;
return {
type: "bar",
data,
options,
};
}
get data() {
const labels = this.args.labels;
return {
labels,
datasets: [
{
label: this.args.datasetName,
data: this.args.values,
backgroundColor: this.barsColor,
hoverBackgroundColor: this.barsHoverColor,
},
],
};
}
get options() {
return {
scales: {
legend: {
labels: {
fontColor: this.labelsColor,
},
},
xAxes: [
{
gridLines: {
color: this.gridColor,
zeroLineColor: this.gridColor,
},
ticks: {
fontColor: this.labelsColor,
},
},
],
yAxes: [
{
gridLines: {
color: this.gridColor,
zeroLineColor: this.gridColor,
},
ticks: {
beginAtZero: true,
fontColor: this.labelsColor,
},
},
],
},
};
}
@bind
async initChart(canvas) {
await loadScript("/javascripts/Chart.min.js");
const context = canvas.getContext("2d");
// eslint-disable-next-line
this.chart = new Chart(context, this.config);
}
@action
updateChartData() {
this.chart.data = this.data;
this.chart.update();
}
willDestroy() {
this.chart.destroy();
}
}