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