1
0
mirror of https://github.com/MisskeyIO/misskey synced 2024-12-15 15:18:18 +09:00
MisskeyIO/packages/frontend/src/widgets/activity.chart.vue
2022-12-27 14:36:33 +09:00

93 lines
2.4 KiB
Vue

<template>
<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`" @mousedown.prevent="onMousedown">
<polyline
:points="pointsNote"
fill="none"
stroke-width="1"
stroke="#41ddde"/>
<polyline
:points="pointsReply"
fill="none"
stroke-width="1"
stroke="#f7796c"/>
<polyline
:points="pointsRenote"
fill="none"
stroke-width="1"
stroke="#a1de41"/>
<polyline
:points="pointsTotal"
fill="none"
stroke-width="1"
stroke="#555"
stroke-dasharray="2 2"/>
</svg>
</template>
<script lang="ts" setup>
const props = defineProps<{
activity: any[]
}>();
let viewBoxX: number = $ref(147);
let viewBoxY: number = $ref(60);
let zoom: number = $ref(1);
let pos: number = $ref(0);
let pointsNote: any = $ref(null);
let pointsReply: any = $ref(null);
let pointsRenote: any = $ref(null);
let pointsTotal: any = $ref(null);
function dragListen(fn) {
window.addEventListener('mousemove', fn);
window.addEventListener('mouseleave', dragClear.bind(null, fn));
window.addEventListener('mouseup', dragClear.bind(null, fn));
}
function dragClear(fn) {
window.removeEventListener('mousemove', fn);
window.removeEventListener('mouseleave', dragClear);
window.removeEventListener('mouseup', dragClear);
}
function onMousedown(ev) {
const clickX = ev.clientX;
const clickY = ev.clientY;
const baseZoom = zoom;
const basePos = pos;
// 動かした時
dragListen(me => {
let moveLeft = me.clientX - clickX;
let moveTop = me.clientY - clickY;
zoom = Math.max(1, baseZoom + (-moveTop / 20));
pos = Math.min(0, basePos + moveLeft);
if (pos < -(((props.activity.length - 1) * zoom) - viewBoxX)) pos = -(((props.activity.length - 1) * zoom) - viewBoxX);
render();
});
}
function render() {
const peak = Math.max(...props.activity.map(d => d.total));
if (peak !== 0) {
const activity = props.activity.slice().reverse();
pointsNote = activity.map((d, i) => `${(i * zoom) + pos},${(1 - (d.notes / peak)) * viewBoxY}`).join(' ');
pointsReply = activity.map((d, i) => `${(i * zoom) + pos},${(1 - (d.replies / peak)) * viewBoxY}`).join(' ');
pointsRenote = activity.map((d, i) => `${(i * zoom) + pos},${(1 - (d.renotes / peak)) * viewBoxY}`).join(' ');
pointsTotal = activity.map((d, i) => `${(i * zoom) + pos},${(1 - (d.total / peak)) * viewBoxY}`).join(' ');
}
}
</script>
<style lang="scss" scoped>
svg {
display: block;
padding: 16px;
width: 100%;
box-sizing: border-box;
cursor: all-scroll;
}
</style>