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@losting/timeline

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@losting/timeline

Canvas timeline supports zooming, dragging, infinite scrolling, and custom control levels.

  • 5.0.1
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简体中文 | English

Timeline

Canvas 时间轴,支持缩放、拖拽、无限滚动、自定义控制级别 预览图 演示地址

如何使用

ES Module

npm install @losting/timeline
<canvas id="Timeline"></canvas>
import Timeline from '@losting/timeline';

const timeline = new Timeline('#Timeline', {
  fill: false,
  width: 1000,
  height: 60,
});

// 自定义绘制
timeline.draw({
  currentTime: 1651827817000,
  areas: [{
    startTime: 1651827433000,
    endTime: 1651829413000,
    bgColor: '#f897aa'
  },{
    startTime: 1651829533000,
    endTime: 1651832533000,
  }],
});

timeline.on('dragged', (timestamp) => {
  console.log(new Date(timestamp));
  // ...
})

CDN

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://unpkg.com/@losting/timeline@4.0.0/dist/timeline.iife.js"></script>
</head>
<body>
  <canvas id="Timeline"></canvas>
  <script>
    const timeline = new window['$timeline']('#Timeline');
    // ....
  </script>
</body>
</html>

配置文档

Config

属性类型是否必填默认值说明
fillbooleantrue是否适应父容器宽高,若为false则需要手动设定canvas宽高
widthnumber1000canvas宽度
heightnumber60canvas高度
bgColorstringrgba(0,0,0,0.5)canvas背景色
textColorstring#ffffff文字颜色
fontFamilystringArial字体
timezonestring-时间显示的时区。支持 IANA 时区格式(如:'Asia/Shanghai'、'America/New_York'、'Europe/London')或 UTC 偏移格式(如:'+04:00'、'-08:00')
scaleColorstring#ffffff刻度颜色
scaleSpacingnumber7刻度间距
areaBgColorstring#ffffff55阴影区域背景颜色
pointerColorstring#00aeec当前时间指针颜色
pointerWidthnumber3当前时间指针宽度
pointerDisplayWidthnumber100当前时间显示区域宽度
pointerDisplayHeightnumber14当前时间显示区域高度
fpsnumber60帧数
zoominteger3初始缩放值,0 ~ timeSpacingList.length - 1 之间(包含)的正整数。 对应 timeSpacingList 的索引值
timeSpacingListnumber[][10, 100, 1000, 10000, 60000, 600000, 3600000, 86400000, 604800000]自定义每刻度所占时间(毫秒)
scaleHeightobject{ long: this.$canvas.height / 3, short: this.$canvas.height / 10 }刻度高度,如果设置此项,则long、short必填
bgTextColorstringrgba(textColor, .18)背景文字的颜色
thresholdsConfigObject见默认配置文件对应缩放阈值的配置, 当 timeSpacingList 配置时,该选项必填

Events

事件名说明参数示例
drawtimeline 的自定义绘制方法draw(DrawConfig)
on监听 timeline 内部事件,目前只支持事件名 dragged, 拖动结束的回调事件。on(name, (listener) => void)
off取消监听 timeline 内部事件off(name, listener)、 取消全部 off('*')
getCurrentTime获取当前时间-
DrawConfig
参数类型是否必填默认值说明
currentTimenumberDate.now()中心点指向时间戳(毫秒)
areasObject[][]阴影区配置,见 AreaConfig
AreaConfig
参数类型是否必填默认值说明
startTimenumber-阴影区域开始时间戳(毫秒)
endTimenumber-阴影区域结束时间戳(毫秒)
bgColorstringConfig.bgColor当前阴影区背景颜色

License

MIT

Copyright (c) 2022-present lostinghttps://www.github.com/thelostword

Keywords

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Package last updated on 12 Nov 2024

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