102 lines
2.7 KiB
Vue
102 lines
2.7 KiB
Vue
<template>
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<svg :viewBox="`0 0 ${ viewBoxX } ${ viewBoxY }`" preserveAspectRatio="none" @mousedown.prevent="onMousedown">
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<title>Black ... Total<br/>Blue ... Posts<br/>Red ... Replies<br/>Green ... Reposts</title>
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<polyline
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:points="pointsPost"
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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="pointsRepost"
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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">
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import Vue from 'vue';
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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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export default Vue.extend({
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props: ['data'],
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data() {
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return {
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viewBoxX: 140,
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viewBoxY: 60,
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zoom: 1,
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pos: 0,
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pointsPost: null,
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pointsReply: null,
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pointsRepost: null,
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pointsTotal: null
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};
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},
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created() {
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this.data.reverse();
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this.data.forEach(d => d.total = d.posts + d.replies + d.reposts);
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this.render();
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},
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methods: {
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render() {
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const peak = Math.max.apply(null, this.data.map(d => d.total));
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this.pointsPost = this.data.map((d, i) => `${(i * this.zoom) + this.pos},${(1 - (d.posts / peak)) * this.viewBoxY}`).join(' ');
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this.pointsReply = this.data.map((d, i) => `${(i * this.zoom) + this.pos},${(1 - (d.replies / peak)) * this.viewBoxY}`).join(' ');
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this.pointsRepost = this.data.map((d, i) => `${(i * this.zoom) + this.pos},${(1 - (d.reposts / peak)) * this.viewBoxY}`).join(' ');
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this.pointsTotal = this.data.map((d, i) => `${(i * this.zoom) + this.pos},${(1 - (d.total / peak)) * this.viewBoxY}`).join(' ');
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},
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onMousedown(e) {
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const clickX = e.clientX;
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const clickY = e.clientY;
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const baseZoom = this.zoom;
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const basePos = this.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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this.zoom = baseZoom + (-moveTop / 20);
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this.pos = basePos + moveLeft;
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if (this.zoom < 1) this.zoom = 1;
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if (this.pos > 0) this.pos = 0;
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if (this.pos < -(((this.data.length - 1) * this.zoom) - this.viewBoxX)) this.pos = -(((this.data.length - 1) * this.zoom) - this.viewBoxX);
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this.render();
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});
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}
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}
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});
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</script>
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<style lang="stylus" scoped>
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svg
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display block
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padding 10px
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width 100%
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cursor all-scroll
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</style>
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