initial commit
This commit is contained in:
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584
js/timeline.js
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584
js/timeline.js
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/**
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* 时间轴插件，自写
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* @author 杨黄林
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* @version 1.0
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*/
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;
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(function ($) {
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if (!Date.prototype.hasOwnProperty('format')) {
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Date.prototype.format = function (fmt) {
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var o = {
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"M+": this.getMonth() + 1, //月份
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"d+": this.getDate(), //日
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"h+": this.getHours() % 12 === 0 ? 12 : this.getHours() % 12, //小时
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"H+": this.getHours(), //小时
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"m+": this.getMinutes(), //分
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"s+": this.getSeconds(), //秒
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"q+": Math.floor((this.getMonth() + 3) / 3), //季度
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"S": this.getMilliseconds() //毫秒
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};
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var week = {
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"0": "/u65e5",
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"1": "/u4e00",
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"2": "/u4e8c",
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"3": "/u4e09",
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"4": "/u56db",
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"5": "/u4e94",
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"6": "/u516d"
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};
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if (/(y+)/.test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
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}
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if (/(E+)/.test(fmt)) {
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fmt = fmt.replace(RegExp.$1, ((RegExp.$1.length > 1) ? (RegExp.$1.length > 2 ? "/u661f/u671f" : "/u5468") : "") + week[this.getDay() + ""]);
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}
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for (var k in o) {
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if (new RegExp("(" + k + ")").test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
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}
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}
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return fmt;
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}
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}
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/**
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* 1毫秒
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* @type {number}
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*/
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var millseconds = 1;
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/**
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* 1秒=1000毫秒
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* @type {number}
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*/
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var secondWithMillseconds = 1000 * millseconds;
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/**
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* 1分=60秒
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* @type {number}
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*/
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var minuteWithMillSeconds = 60 * secondWithMillseconds;
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/**
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* 1小时=60分
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* @type {number}
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*/
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var hourWithMillseconds = 60 * minuteWithMillSeconds;
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/**
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* 每个标签宽度为20像素，具体看timeline.css中.timeline-label span的宽度
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* @type {number}
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*/
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var labelWidth = 20;
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/**
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* 时间提示的宽度，具体看timeline.css中.time-tips-time的宽度
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* @type {number}
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*/
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var tipsWidth = 130;
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/**
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* 刻度类型，写json便于调用
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* @type {{hour: string, minute: string}}
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*/
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var minScale = {
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minute: 'minute',
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hour: 'hour'
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}
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var defaults = {
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minScale: minScale.minute,//最小刻度：minute or hour
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realtime: true,//是否实时刷新时间轴：true or false。为true时，若realtimeDate是当天，则时间轴上的时间进度随系统时间变化而变化
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limit: true,//是否限制可拖动刻度范围：true or false。为true时，只能在当天开始到realtimeDate范围内拖动
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date: new Date(),//时间轴时间，会自动取当天的0点到第二天的0作为时间轴刻度
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startHour: '00',
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endHour: '00',
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realtimeDate: new Date(),//实时时间，限制拖动范围开启后，只能在当天0点到这个时间段之间拖动
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loadDataDelay: 1000,//加载数据时延时。即时间轴进度改变时，延迟多久加载数据
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autoPlayDuration: 100,//自动播放间隔，越小越快,最小100
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animationDuration: 100,//动画时间，越小越快。建议小于等于autoPlayDuration
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loadData: function (time) {//加载数据,time为时间字符串，格式为yyyy-MM-dd HH:mm
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},
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autoPlayLoadData: function (time) {//自动播放时加载数据，这里最好不要使用异步。需要自动播放的数据提前加载到页面，后续新增的也是，放到页面对象中扩展改数据集合。如果一定要异步，需要保证其使用时间一定是小于autoPlayDuration
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}
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};
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/**
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* 插件方法
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* @param containerElement 容器对象
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* @param options 插件参数
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*/
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var timeline = function (containerElement, options) {
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this.$containerElement = $(containerElement);
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this.options = options;
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this.startedAutoRefreshLimitScale = false;
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if (this.options.autoPlayDuration < 100)
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this.options.autoPlayDuration = 100;
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//将日期格式化为当天0点
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this.options.date = new Date(this.options.date.format('yyyy-MM-dd 00:00:00'));
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/**
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* 1、算出初始化时，以毫秒为单位的时间。包括当天0时的事件、当天24时（第二天0时）的时间、当前的时间
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*/
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this.calculateTime();
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/**
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* 2、根据算出的时间以及时间轴上刻度类型，算出初始化时，总刻度数、可拖动刻度数
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*/
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this.calculateScaleNum();
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/**
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* 3、根据初始化时计算出的刻度数，初始化插件DOM节点
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*/
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this.initDom();
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/**
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* 4、通过插件节点获取时间轴部分的宽度，根据刻度类型和刻度数，计算出每个刻度的宽度
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*/
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this.initFixedWidth();
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/**
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* 5、根据可拖动刻度数，计算出可拖动刻度的总宽度
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*/
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this.calculateLimitWidth();
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/**
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* 6、绑定鼠标事件
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*/
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this.initEvent();
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/**
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* 开启自动刷新可拖动刻度功能
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*/
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if (this.options.realtime) {
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this.autoRefreshLimitScale();
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} else {
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this.calculateProgress(this.limitScaleNum(), true);
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}
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var that = this;
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window.addEventListener('resize', function () {
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that.resize();
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}, true);
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}
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timeline.prototype = {
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resize: function () {
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this.calculateScaleNum();
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this.initFixedWidth();
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// 偏移量即为已过去时间的时间轴长度，除以固定的每个刻度的宽度，得到已过的刻度数
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var sacleNum = Math.round(this.$containerElement.find('.timeline-line-passed').width() / this.scaleWidth);
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this.showTimeTips(sacleNum);
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if (this.options.realtime) {
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this.autoRefreshLimitScale();
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}
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},
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/**
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* 获取开始、结束、当前时间相对于当天0时0分0秒时的毫秒数
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*/
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calculateTime: function () {
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if (!this.isSameDay(this.options.date, this.options.realtimeDate)) {
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this.options.date.setTime(new Date(this.options.realtimeDate.format('yyyy-MM-dd 00:00:00')).getTime());
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}
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var date = this.options.date;
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var scaleYear = date.getFullYear();
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var scaleMonth = date.getMonth();
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var scaleDate = date.getDate();
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var today = new Date();
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if (this.isSameDay(this.options.date, today)) {
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//当天，则每次计算当前时间时，从系统时间获取
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this.currentTime = new Date(
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today.getFullYear(),
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today.getMonth(),
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today.getDate(),
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today.getHours(),
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today.getMinutes(),
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0).getTime();
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this.options.realtimeDate.setTime(this.currentTime);
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} else {
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//不是当天，则每次计算时间前让其时间根据刻度类型加1个刻度的时间毫秒数
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if (this.startedAutoRefreshLimitScale) {
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if (this.options.minScale === minScale.minute) {
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this.options.realtimeDate.setTime(this.options.realtimeDate.getTime() + minuteWithMillSeconds);
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} else {
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this.options.realtimeDate.setTime(this.options.realtimeDate.getTime() + hourWithMillseconds);
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}
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}
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this.currentTime = new Date(
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this.options.realtimeDate.getFullYear(),
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this.options.realtimeDate.getMonth(),
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this.options.realtimeDate.getDate(),
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this.options.realtimeDate.getHours(),
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this.options.realtimeDate.getMinutes(),
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0).getTime();
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}
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this.startTime = new Date(scaleYear, scaleMonth, scaleDate, parseInt(this.options.startHour), 0, 0,).getTime();
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if (parseInt(this.options.endHour) === 0 || parseInt(this.options.endHour) === 24) {
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this.endTime = new Date(scaleYear, scaleMonth, scaleDate + 1, parseInt(this.options.endHour), 0, 0,).getTime();
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} else {
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this.endTime = new Date(scaleYear, scaleMonth, scaleDate, parseInt(this.options.endHour), 0, 0,).getTime();
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}
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},
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/**
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* 根据刻度类型，以及开始、结束、当前时间与当前0时0分0秒的时间差（毫秒数），计算出有多少刻度（包括总刻度以及可拖动刻度）
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*/
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calculateScaleNum: function () {
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var timeDiffWithMillseconds = this.endTime - this.startTime;
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var limitTimeDiffWithMillseconds = this.currentTime - this.startTime;
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var minutes, hours, limitMinutes, limitHours;
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if (this.options.minScale === minScale.minute) {
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minutes = Math.floor(timeDiffWithMillseconds / minuteWithMillSeconds);
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hours = Math.floor(timeDiffWithMillseconds / hourWithMillseconds);
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limitMinutes = Math.floor(limitTimeDiffWithMillseconds / minuteWithMillSeconds);
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limitHours = Math.floor(limitTimeDiffWithMillseconds / hourWithMillseconds);
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} else {
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hours = Math.floor(timeDiffWithMillseconds / hourWithMillseconds);
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limitHours = Math.floor(limitTimeDiffWithMillseconds / hourWithMillseconds);
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}
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this.scale = {
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minutes: minutes,
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hours: hours,
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limitMinutes: limitMinutes,
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limitHours: limitHours
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};
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},
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/**
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* 初始化dom结构
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*/
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initDom: function () {
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//伪类不能js修改样式，因此必须添加一个style标签
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this.$containerElement.append(
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[
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'<style>' +
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' .timeline .timeline-label span:after{' +
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' transition-duration: ' + this.options.animationDuration + 'ms;' +
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' }' +
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'</style>'
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].join('')
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);
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this.$containerElement.append(
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[
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'<div class="timeline-button">',
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' <span class="timeline-play"></span>',
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'</div>'
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].join('')
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);
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this.$containerElement.append(
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[
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'<div class="timeline-content">',
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' <div class="time-tips" style="transition-duration: ' + this.options.animationDuration + 'ms">',
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' <span class="time-tips-time"></span>',
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' <span class="time-tips-arrow"></span>',
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' </div>',
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' <div class="timeline-line">',
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' <div class="timeline-line-limit" style="transition-duration: ' + this.options.animationDuration + 'ms"></div>',
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' <div class="timeline-line-passed" style="transition-duration: ' + this.options.animationDuration + 'ms"></div>',
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' </div>',
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' <div class="timeline-label">',
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' </div>',
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'</div>'
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].join('')
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);
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var $timelineLabel = this.$containerElement.find('.timeline-label');
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for (var i = 0; i <= this.scale.hours; i++) {
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$timelineLabel.append('<span>' + (parseInt(this.options.startHour) + i) + '</span>');
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}
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},
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/**
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* 根据刻度刻度类型、刻度数，以及时间轴时间进度部分宽度，计算出每个刻度的固定宽度
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*/
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initFixedWidth: function () {
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var timelineWidth = this.$containerElement.find('.timeline-line').width();
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var scaleWidth;
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if (this.options.minScale === minScale.minute) {
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scaleWidth = timelineWidth / this.scale.minutes;
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} else {
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scaleWidth = timelineWidth / this.scale.hours;
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}
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this.scaleWidth = scaleWidth;
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this.timelineWidth = timelineWidth;
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},
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/**
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* 根据刻度类型、可拖动刻度数，计算出可拖动刻度的总宽度占时间轴刻度部分总宽度的百分比
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*/
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calculateLimitWidth: function () {
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var timelineLineLimitWidth;
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if (this.options.minScale === minScale.minute) {
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timelineLineLimitWidth = this.scale.limitMinutes * this.scaleWidth;
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} else {
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timelineLineLimitWidth = this.scale.limitHours * this.scaleWidth;
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}
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this.timelineLineLimitWidth = timelineLineLimitWidth;
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this.$containerElement.find('.timeline-line-limit').css('width', timelineLineLimitWidth / this.timelineWidth * 100 + '%');
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},
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/**
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* 两个日期是否为同一天
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* @param dateOne 日期一
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* @param dateTwo 日期二
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* @returns {boolean} true or false
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*/
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isSameDay: function (dateOne, dateTwo) {
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var dateAString = new Date(dateOne).format('yyyy-MM-dd');
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var dateBString = new Date(dateTwo).format('yyyy-MM-dd');
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return dateAString === dateBString;
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},
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/**
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* 定时刷新时间信息、刻度信息、可拖动刻度宽度百分比
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*/
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autoRefreshLimitScale: function () {
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var that = this;
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var autoRefreshTimerDuration;
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if (this.startedAutoRefreshLimitScale === false) {
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this.calculateProgress(this.limitScaleNum(), true);
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if (this.isSameDay(this.options.date, new Date())) {
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if (this.options.minScale === minScale.minute) {
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autoRefreshTimerDuration = minuteWithMillSeconds - new Date().getSeconds() * secondWithMillseconds;
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} else {
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autoRefreshTimerDuration = hourWithMillseconds - new Date().getMinutes() * minuteWithMillSeconds;
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}
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} else {
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if (this.options.minScale === minScale.minute) {
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autoRefreshTimerDuration = minuteWithMillSeconds;
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} else {
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autoRefreshTimerDuration = hourWithMillseconds;
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}
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}
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} else {
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if (this.options.minScale === minScale.minute) {
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autoRefreshTimerDuration = minuteWithMillSeconds;
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} else {
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autoRefreshTimerDuration = hourWithMillseconds;
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}
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this.calculateTime();
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this.calculateScaleNum();
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this.calculateLimitWidth();
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}
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// 若已播放刻度数和刷新后的(可拖动刻度数-1)，说明刷新刻度前刻度在可用刻度的最末或开头
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if (this.startedAutoRefreshLimitScale && (this.playedScaleNum() === this.limitScaleNum() - 1 ||
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(this.options.minScale === minScale.minute && this.scale.limitMinutes === 1) ||
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(this.options.minScale === minScale.hour && this.scale.limitHours === 1))) {
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this.calculateProgress(this.limitScaleNum(), true);
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}
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var autoRefreshTimer = setTimeout(function () {
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clearTimeout(autoRefreshTimer);
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that.autoRefreshLimitScale();
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}, autoRefreshTimerDuration);
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this.startedAutoRefreshLimitScale = true;
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},
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/**
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* 初始化dom容器上的事件
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*/
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initEvent: function () {
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var that = this;
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this.$containerElement.on('mousemove.timelineLine', '.timeline-line', function (e) {
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// 鼠标移动到刻度轴上时，停止播放时间轴时间
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that.stopPlay();
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that.startedMouse = true;
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// 获取鼠标在时间轴轴线上的x坐标偏移量
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var offsetX = e.originalEvent.offsetX;
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// 偏移量即为已过去时间的时间轴长度，除以固定的每个刻度的宽度，得到已过的刻度数
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var sacleNum = Math.round(offsetX / that.scaleWidth);
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// 如果已过刻度大于可拖动刻度，就不把那一部分展示出来了
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if (that.options.limit && sacleNum > that.limitScaleNum())
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return;
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// 计算并展示时间轴进度
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that.calculateProgress(sacleNum, true);
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}).on('mouseover.timelineLabelSpan', '.timeline-label span', function () {
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that.stopPlay();
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that.startedMouse = true;
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// 获取当前刻度标签所在位置索引
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var index = $(this).index();
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var sacleNum;
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// 根据刻度类型，计算实际刻度。因为展示的是小时，所以如果刻度是minute类型，则需要乘以60（1小时=60分钟）
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if (that.options.minScale === minScale.minute)
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sacleNum = index * 60
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else
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sacleNum = index;
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// 如果已过刻度大于可拖动刻度，就不把那一部分展示出来了
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if (that.options.limit && sacleNum > that.limitScaleNum())
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return;
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// 计算并展示时间轴进度
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that.calculateProgress(sacleNum, true);
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}).on('mouseout.timelineContent', '.timeline-content', function (t) {
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// 鼠标移除后隐藏时间提示
|
||||
// that.$containerElement.find('.time-tips').addClass('time-tips-hide');
|
||||
}).on('click.timelineButton', '.timeline-button', function () {
|
||||
var $this = $(this).children('span');
|
||||
var play;
|
||||
if ($this.is('.timeline-play')) {
|
||||
// 如果按钮上有timeline-play样式，说明显示的播放按钮，即没有播放时间轴
|
||||
play = false;
|
||||
} else if ($this.is('.timeline-pause')) {
|
||||
// 如果按钮上有timeline-pause样式，说明显示的暂停按钮，即正在播放时间轴
|
||||
play = true;
|
||||
}
|
||||
if (!play) {
|
||||
// 如果没播放时间轴，点击播放后则自动播放时间轴
|
||||
if (that.playedScaleNum() > that.limitScaleNum() && !that.options.limit)
|
||||
that.startPlay(0);
|
||||
else
|
||||
that.startPlay(that.playedScaleNum());
|
||||
} else {
|
||||
// 否则暂停播放
|
||||
that.stopPlay();
|
||||
}
|
||||
// 切换播放按钮样式
|
||||
that.togglePlay(!play);
|
||||
});
|
||||
},
|
||||
/**
|
||||
* 根据刻度类型，实时获取可拖动刻度数
|
||||
* @returns {number} 可拖动刻度数
|
||||
*/
|
||||
limitScaleNum: function () {
|
||||
var limitScaleNum;
|
||||
if (this.options.minScale === minScale.minute) {
|
||||
limitScaleNum = this.scale.limitMinutes;
|
||||
} else {
|
||||
limitScaleNum = this.scale.limitHours;
|
||||
}
|
||||
return limitScaleNum;
|
||||
},
|
||||
/**
|
||||
* 切换播放状态
|
||||
* @param play 是否在播放
|
||||
*/
|
||||
togglePlay: function (play) {
|
||||
var $playSpan = this.$containerElement.find('.timeline-button span');
|
||||
if (play) {
|
||||
$playSpan.removeClass('timeline-play').addClass('timeline-pause');
|
||||
} else {
|
||||
$playSpan.removeClass('timeline-pause').addClass('timeline-play');
|
||||
}
|
||||
},
|
||||
showTimeTips: function (scaleNum) {
|
||||
var percent = scaleNum * this.scaleWidth / this.timelineWidth;
|
||||
//因为多次计算的误差，可能出现大于1或小于0的情况，需要限制最大为1，最小为0
|
||||
if (percent > 1)
|
||||
percent = 1;
|
||||
else if (percent < 0)
|
||||
percent = 0;
|
||||
//将当前刻度时间显示出来
|
||||
this.$containerElement.find('.time-tips-time').text(this.timeString);
|
||||
this.$containerElement.find('.time-tips').css('left', percent * this.timelineWidth - (tipsWidth / 2) + labelWidth / 2);
|
||||
},
|
||||
/**
|
||||
* 计算已过时间进度条
|
||||
* @param scaleNum 已过刻度数
|
||||
* @param loadData 是否加载数据 为false，则需要在调用此方法后加载数据
|
||||
*/
|
||||
calculateProgress: function (scaleNum, loadData) {
|
||||
//坐标的offset可能为负数，导致scaleNum也变成了负数，但是刻度最小为0，因此在这归零
|
||||
if (scaleNum < 0)
|
||||
scaleNum = 0;
|
||||
//计算总进度的百分比
|
||||
var percent = scaleNum * this.scaleWidth / this.timelineWidth;
|
||||
var time, hours;
|
||||
//因为多次计算的误差，可能出现大于1或小于0的情况，需要限制最大为1，最小为0
|
||||
if (percent > 1)
|
||||
percent = 1;
|
||||
else if (percent < 0)
|
||||
percent = 0;
|
||||
if (this.options.minScale === minScale.minute) {
|
||||
time = this.startTime + scaleNum * minuteWithMillSeconds;
|
||||
hours = Math.ceil(scaleNum / 60);
|
||||
} else {
|
||||
time = this.startTime + scaleNum * hourWithMillseconds;
|
||||
hours = scaleNum;
|
||||
}
|
||||
this.timeString = new Date(time).format('yyyy-MM-dd HH:mm');
|
||||
//移除刻度标签上的样式
|
||||
this.$containerElement.find('.timeline-label span').removeClass('time-passed');
|
||||
// 根据结果新的刻度突出展示已过时间刻度标签
|
||||
this.$containerElement.find('.timeline-label span:lt(' + hours + ')').addClass('time-passed');
|
||||
if ((this.options.minScale === minScale.minute && scaleNum % 60 === 0) || this.options.minScale === minScale.hour && scaleNum !== 0)
|
||||
this.$containerElement.find('.timeline-label span:eq(' + hours + ')').addClass('time-passed');
|
||||
//展示已过刻度
|
||||
this.$containerElement.find('.timeline-line-passed').css('width', percent * 100 + '%');
|
||||
|
||||
if (this.lastLoadTimeString === this.timeString) {
|
||||
//上次加载时间为当前时间，则不加载
|
||||
return;
|
||||
}
|
||||
|
||||
this.showTimeTips(scaleNum);
|
||||
|
||||
clearTimeout(this.loadDataTimer);
|
||||
if (loadData) {
|
||||
var that = this;
|
||||
this.loadDataTimer = setTimeout(function () {
|
||||
clearTimeout(that.loadDataTimer);
|
||||
that.options.loadData(that.timeString);
|
||||
that.lastLoadTimeString = that.timeString;
|
||||
}, this.options.loadDataDelay);
|
||||
}
|
||||
},
|
||||
/**
|
||||
* 获取已过刻度数，用于暂停后续播。为0则表示已播放的刻度到刻度进度条的末尾了
|
||||
* @returns {number} 已播放过的刻度数
|
||||
*/
|
||||
playedScaleNum: function () {
|
||||
var timelineLinePassedWidth = this.$containerElement.find('.timeline-line-passed').width();
|
||||
if (Math.round(timelineLinePassedWidth / this.scaleWidth) === Math.round(this.timelineLineLimitWidth / this.scaleWidth))
|
||||
return 0;
|
||||
return Math.round(timelineLinePassedWidth / this.scaleWidth);
|
||||
},
|
||||
/**
|
||||
* 开始自动播放
|
||||
* @param playedScaleNum 已播放刻度数
|
||||
*/
|
||||
startPlay: function (playedScaleNum) {
|
||||
playedScaleNum = playedScaleNum || 0;
|
||||
var scaleNum;
|
||||
if (this.options.minScale === minScale.minute) {
|
||||
scaleNum = this.scale.minutes;
|
||||
} else {
|
||||
scaleNum = this.scale.hours;
|
||||
}
|
||||
// 如果已播放的刻度数大于总刻度数或已播放刻度数大于可拖动刻度数，则停止播放
|
||||
if (playedScaleNum > scaleNum || (this.options.limit && playedScaleNum > this.limitScaleNum())) {
|
||||
this.stopPlay();
|
||||
return;
|
||||
}
|
||||
if (this.options.minScale === minScale.minute && playedScaleNum > this.scale.limitMinutes) {
|
||||
this.stopPlay();
|
||||
return;
|
||||
} else if (this.options.minScale === minScale.hour && playedScaleNum > this.scale.limitHours) {
|
||||
this.stopPlay();
|
||||
return;
|
||||
}
|
||||
|
||||
this.startedAutoPlay = true;
|
||||
var that = this;
|
||||
this.calculateProgress(playedScaleNum, false);
|
||||
|
||||
that.options.autoPlayLoadData(that.timeString);
|
||||
|
||||
that.autoPlayTimer = setTimeout(function () {
|
||||
that.startPlay(playedScaleNum + 1);
|
||||
}, that.options.autoPlayDuration);
|
||||
},
|
||||
/**
|
||||
* 停止自动播放
|
||||
*/
|
||||
stopPlay: function () {
|
||||
if (this.autoPlayTimer) {
|
||||
clearTimeout(this.autoPlayTimer);
|
||||
this.togglePlay(false);
|
||||
}
|
||||
this.startedAutoPlay = false;
|
||||
},
|
||||
/**
|
||||
* 销毁时间轴
|
||||
*/
|
||||
destroy: function () {
|
||||
this.stopPlay();
|
||||
this.$containerElement.empty();
|
||||
}
|
||||
}
|
||||
|
||||
$.fn.timeline = function (options) {
|
||||
options = $.extend(true, defaults, options);
|
||||
return new timeline(this, options);
|
||||
}
|
||||
})(jQuery);
|
||||
Reference in New Issue
Block a user