rudeshark.net/packages/client/src/widgets/activity.chart.vue
2023-04-07 17:01:42 -07:00

119 lines
2.5 KiB
Vue

<template>
<svg
:viewBox="`0 0 ${viewBoxX} ${viewBoxY}`"
@mousedown.prevent="onMousedown"
>
<polyline
:points="pointsNote"
fill="none"
stroke-width="1"
stroke="#c4a7e7"
/>
<polyline
:points="pointsReply"
fill="none"
stroke-width="1"
stroke="#eb6f92"
/>
<polyline
:points="pointsRenote"
fill="none"
stroke-width="1"
stroke="#ebbcba"
/>
<polyline
:points="pointsTotal"
fill="none"
stroke-width="1"
stroke="#6e6a86"
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>