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<script>
import {Bar} from 'vue-chartjs';
import {
Chart,
Tooltip,
BarElement,
CategoryScale,
LinearScale,
} from 'chart.js';
import {chartJsColors} from '../utils/color.js';
import {createApp} from 'vue';
Chart.defaults.color = chartJsColors.text;
Chart.defaults.borderColor = chartJsColors.border;
Chart.register(
CategoryScale,
LinearScale,
BarElement,
Tooltip,
);
const sfc = {
components: {Bar},
props: {
locale: {
type: Object,
required: true,
},
},
data: () => ({
colors: {
barColor: 'green',
},
// possible keys:
// * avatar_link: (...)
// * commits: (...)
// * home_link: (...)
// * login: (...)
// * name: (...)
activityTopAuthors: window.config.pageData.repoActivityTopAuthors || [],
i18nCommitActivity: this,
}),
methods: {
graphPoints() {
return {
datasets: [{
label: this.locale.commitActivity,
data: this.activityTopAuthors.map((item) => item.commits),
backgroundColor: this.colors.barColor,
barThickness: 40,
borderWidth: 0,
tension: 0.3,
}],
labels: this.activityTopAuthors.map((item) => item.name),
};
},
getOptions() {
return {
responsive: true,
maintainAspectRatio: false,
animation: true,
scales: {
x: {
type: 'category',
grid: {
display: false,
},
ticks: {
// Disable the drawing of the labels on the x-asis and force them all
// of them to be 'shown', this avoids them being internally skipped
// for some data points. We rely on the internally generated ticks
// to know where to draw our own ticks. Set rotation to 90 degree
// and disable autoSkip. autoSkip is disabled to ensure no ticks are
// skipped and rotation is set to avoid messing with the width of the chart.
color: 'transparent',
minRotation: 90,
maxRotation: 90,
autoSkip: false,
},
},
y: {
ticks: {
stepSize: 1,
},
},
},
};
},
},
mounted() {
const refStyle = window.getComputedStyle(this.$refs.style);
this.colors.barColor = refStyle.backgroundColor;
for (const item of this.activityTopAuthors) {
const img = new Image();
img.src = item.avatar_link;
item.avatar_img = img;
}
Chart.register({
id: 'image_label',
afterDraw: (chart) => {
const xAxis = chart.boxes[0];
const yAxis = chart.boxes[1];
for (const [index] of xAxis.ticks.entries()) {
const x = xAxis.getPixelForTick(index);
const img = this.activityTopAuthors[index].avatar_img;
chart.ctx.save();
chart.ctx.drawImage(img, 0, 0, img.naturalWidth, img.naturalHeight, x - 10, yAxis.bottom + 10, 20, 20);
chart.ctx.restore();
}
},
beforeEvent: (chart, args) => {
const event = args.event;
if (event.type !== 'mousemove' && event.type !== 'click') return;
const yAxis = chart.boxes[1];
if (event.y < yAxis.bottom + 10 || event.y > yAxis.bottom + 30) {
chart.canvas.style.cursor = '';
return;
}
const xAxis = chart.boxes[0];
const pointIdx = xAxis.ticks.findIndex((_, index) => {
const x = xAxis.getPixelForTick(index);
return event.x >= x - 10 && event.x <= x + 10;
});
if (pointIdx === -1) {
chart.canvas.style.cursor = '';
return;
}
chart.canvas.style.cursor = 'pointer';
if (event.type === 'click' && this.activityTopAuthors[pointIdx].home_link) {
window.location.href = this.activityTopAuthors[pointIdx].home_link;
}
},
});
},
};
export function initRepoActivityTopAuthorsChart() {
const el = document.getElementById('repo-activity-top-authors-chart');
if (el) {
createApp(sfc, {
locale: {
commitActivity: el.getAttribute('data-locale-commit-activity'),
},
}).mount(el);
}
}
export default sfc; // activate the IDE's Vue plugin
</script>
<template>
<div>
<div class="activity-bar-graph" ref="style" style="width: 0; height: 0;"/>
<Bar height="150px" :data="graphPoints()" :options="getOptions()"/>
</div>
</template>
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