forked from mirrors/firefish
121 lines
2.5 KiB
Vue
121 lines
2.5 KiB
Vue
<template>
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<svg
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:viewBox="`0 0 ${viewBoxX} ${viewBoxY}`"
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@mousedown.prevent="onMousedown"
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>
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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="#c4a7e7"
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/>
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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="#eb6f92"
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/>
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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="#ebbcba"
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/>
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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="#6e6a86"
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stroke-dasharray="2 2"
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/>
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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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const viewBoxX: number = $ref(147);
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const viewBoxY: number = $ref(60);
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let zoom: number = $ref(1),
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pos: number = $ref(0),
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pointsNote: any = $ref(null),
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pointsReply: any = $ref(null),
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pointsRenote: any = $ref(null),
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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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const moveLeft = me.clientX - clickX;
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const 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))
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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
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.map(
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(d, i) =>
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`${i * zoom + pos},${(1 - d.notes / peak) * viewBoxY}`,
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)
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.join(" ");
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pointsReply = activity
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.map(
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(d, i) =>
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`${i * zoom + pos},${(1 - d.replies / peak) * viewBoxY}`,
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)
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.join(" ");
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pointsRenote = activity
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.map(
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(d, i) =>
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`${i * zoom + pos},${(1 - d.renotes / peak) * viewBoxY}`,
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)
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.join(" ");
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pointsTotal = activity
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.map(
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(d, i) =>
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`${i * zoom + pos},${(1 - d.total / peak) * viewBoxY}`,
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)
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.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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