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videoControlStatus.js
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videoControlStatus.js
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;(function($) {
var VideoStatus = function($this, optionsParam) {
var defaults = {
channelHeight: 30,
channelTitleWidth: null,
hourWidth: null,
minuteWidth: null,
secondWidth: null,
halfHourWidth: null,
containerWidth: null,
thumbContainerWidth: null,
channelNum: 0,
sectionTmpl: '<div class="section">$index<div class="section-half"></div></div>',
channelTitleTmpl: '<div class="channel-title">$name</div>',
channelTmpl: '<div class="channel"></div>',
greenTmpl: '<div class="green"></div>',
defaultDate: null,
onScale: null, // 鼠标在指示器区域缩放事件
onDragStart: null, // 鼠标拖拽指示器和红线开始
onDrag: null, // 鼠标拖拽指示器和红线事件
onDragEnd: null, // 鼠标拖拽指示器和红线结束
onClick: null, // 鼠标点击通道内容区事件
onStart: null, // 开始播放事件
onStop: null, // 停止播放事件
onPause: null, // 暂停播放事件
onContinue: null, // 暂停后继续播放事件
onPlaying: null, // 持续播放事件,每向前播放一点就会触发
onStatusClick: null // 鼠标点击选中时间点后触发事件
};
var options = $.extend(defaults, optionsParam);
options.channelTitleWidth = parseInt($this.find('.left').css('width'));
options.containerWidth = parseInt($this.css('width'));
options.thumbContainerWidth = options.containerWidth - options.channelTitleWidth;
options.hourWidth = options.thumbContainerWidth / 24;
options.secondWidth = options.minuteWidth = options.thumbContainerWidth / 60;
options.thumbWidth = parseInt($this.find('.thumb').css('width'));
options.channelNum = options.channels.length;
this.$this = $this;
this.options = options;
this.state = {
intervalHour: 0,
intervalMinute: 0,
currentHour: 0,
currentMinute: 0,
currentSecond: 0,
currentChannels: options.channels, // 当前的通道数据,调用者通过 setChannels 方法可动态显示隐藏通道
timeLevel: 'hour', // hour,minute,second
isThumbMoving: false, // 指示器是否在被拖动
timerId: null, // 控件的定时器ID
speed: 1, // 播放速度,1,2,,4,8,16
direction: 'forward' // 播放方向,正常播放 forward,后退 backward
};
this.initHtml();
this.renderHour();
this.initBind();
this.render();
return this;
};
/**
* 初始化html
* 左侧通道标题和右侧通道内容区
* 还有红线高度
*/
VideoStatus.prototype.initHtml = function() {
var $this = this.$this;
var options = this.options;
var channelTitleContainer = $this.find('.channel-title-container');
var channelContainer = $this.find('.channel-container');
channelTitleContainer.empty();
for (var i = 0; i < options.channels.length; i++) {
var channel = options.channels[i];
channelTitleContainer.append($(options.channelTitleTmpl.replace('$name', '通道' + channel)).attr('id', 'channelTitle_' + channel));
}
channelContainer.empty();
for (i = 0; i < options.channels.length; i++) {
var channel2 = options.channels[i];
channelContainer.append($(options.channelTmpl).attr('id', 'channel_' + channel2));
}
$this.find('.line').css('height', (options.channelHeight * (i + 1)) + 'px');
var now = null;
var channelData = options.channelData;
if (channelData && Object.keys(channelData).length > 0) {
var channelIds = Object.keys(channelData);
var channelDatas = channelData[channelIds[0]];
if (channelDatas.length > 0) {
now = new Date(channelDatas[0].StartTime.replace(/-/g, '/'));
} else {
now = options.defaultDate ? options.defaultDate : new Date();
}
} else {
now = options.defaultDate ? options.defaultDate : new Date();
}
var date = now.getFullYear() + '-' + (now.getMonth() + 1) + '-' + now.getDate();
$this.find('.day').html(date);
};
/**
* 初始化绑定事件
* 标尺区域鼠标滚动事件
* 指示器拖拽事件
* 通道区域点击事件
*/
VideoStatus.prototype.initBind = function() {
var self = this;
var $this = this.$this;
var options = this.options;
var state = this.state;
// 绑定标尺滚动事件
$($this.find('.ruler')).off('mousewheel DOMMouseScroll').on('mousewheel DOMMouseScroll', function(event) {
event.preventDefault();
// delta > 0 向上滚=>放大;delta < 0 向下滚=>缩小
var delta = (event.originalEvent.wheelDelta && (event.originalEvent.wheelDelta > 0 ? 1 : -1)) || // chrome & ie
(event.originalEvent.detail && (event.originalEvent.detail > 0 ? -1 : 1));// firefox
if ((delta > 0 && state.timeLevel === 'second') || (delta < 0 && state.timeLevel === 'hour')) {
return;
}
if (delta > 0) {
if (state.timeLevel === 'hour') {
state.timeLevel = 'minute';
self.renderMinuteSecond();
} else if (state.timeLevel === 'minute') {
state.timeLevel = 'second';
self.renderMinuteSecond();
}
;
self.updateInterval(event.originalEvent.pageX);
} else {
if (state.timeLevel === 'second') {
self.renderMinuteSecond();
state.timeLevel = 'minute';
} else if (state.timeLevel === 'minute') {
self.renderHour();
state.timeLevel = 'hour';
}
}
self.updateIntervalText();
self.onScale();
});
// 绑定指示器拖拽事件
$this.find('.thumb').bind('mousedown', function(event) {
/* 获取需要拖动节点的坐标 */
var prevLeft = parseInt($(this).css('left'));
/* 获取当前鼠标的坐标 */
var mouseX = event.originalEvent.pageX;
var thumb = $(this);
var leftMargin = -(options.thumbWidth / 2);
var rightMargin = options.thumbContainerWidth - options.thumbWidth - leftMargin;
state.isThumbMoving = true;
self.onDragStart();
/* 绑定拖动事件 */
/* 由于拖动时,可能鼠标会移出元素,所以应该使用全局(document)元素 */
$(document).bind('mousemove', function(ev) {
if (state.isThumbMoving) {
ev.preventDefault();
/* 计算鼠标移动了的位置 */
var _x = ev.originalEvent.pageX - mouseX;
/* 设置移动后的元素坐标 */
var nowLeft = prevLeft + _x;
/* 改变目标元素的位置 */
if (nowLeft < leftMargin) {
thumb.css('left', leftMargin + 'px');
} else if (nowLeft > rightMargin) {
thumb.css('left', rightMargin + 'px');
} else {
thumb.css('left', nowLeft + 'px');
}
self.updateThumbTime();
self.onDrag();
}
});
});
$(document).bind('mouseup', function(event) {
if (state.isThumbMoving) {
$(document).unbind('mousemove');
state.isThumbMoving = false;
self.onDragEnd();
}
});
// 绑定通道区域点击事件
$this.find('.channel-container').bind('click', function(e) {
var thumb = $this.find('.thumb');
var containerOffsetX = $this.offset().left;
var newThumbLeft = e.originalEvent.pageX - (options.channelTitleWidth + containerOffsetX) - (options.thumbWidth / 2);
thumb.css({
'left': newThumbLeft + 'px',
'visibility': 'visible'
});
self.updateThumbTime();
self.onStatusClick();
});
};
/**
* 渲染指示器区域小时级别的网格
*/
VideoStatus.prototype.renderHour = function() {
var $this = this.$this;
var ruler = $this.find('.ruler');
ruler.empty();
var options = this.options;
for (var i = 0; i < 24; i++) {
var $hour = $(options.sectionTmpl.replace('$index', i));
$hour.css('width', options.hourWidth + 'px').css('left', (options.thumbContainerWidth * i / 24) + 'px');
$hour.attr('id', 'hourSection_' + i);
ruler.append($hour);
}
return this;
};
/**
* 渲染指示器区域分和秒级别的网格
*/
VideoStatus.prototype.renderMinuteSecond = function() {
var $this = this.$this;
var ruler = $this.find('.ruler');
ruler.empty();
var options = this.options;
for (var i = 0; i < 60; i++) {
var $hour = $(options.sectionTmpl.replace('$index', i));
$hour.css('width', options.minuteWidth + 'px').css('left', (options.thumbContainerWidth * i / 60) + 'px');
$hour.attr('id', 'hourSection_' + i);
ruler.append($hour);
}
return this;
};
/**
* 更新指示器上的文本,时:分:秒
*/
VideoStatus.prototype.updateThumbText = function() {
var $this = this.$this;
var state = this.state;
var $h = $this.find('.thumb .h');
var $m = $this.find('.thumb .m');
var $s = $this.find('.thumb .s');
$h.html(this.util.padZero(state.currentHour) + ':');
$m.html(this.util.padZero(state.currentMinute) + ':');
$s.html(this.util.padZero(state.currentSecond));
};
/**
* 根据当前指示器的所在位置
* 更新指示器和当前状态的时间值
* 时分秒
*/
VideoStatus.prototype.updateThumbTime = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
var thumb = $this.find('.thumb');
var lineLeft = parseInt(thumb.css('left')) + (options.thumbWidth / 2);
var second = 0;
if (state.timeLevel === 'hour') {
second = lineLeft * (3600 * 24) / options.thumbContainerWidth;
state.currentHour = parseInt(second / 3600);
second -= state.currentHour * 3600;
state.currentMinute = parseInt(second / 60);
second -= state.currentMinute * 60;
state.currentSecond = parseInt(second);
} else if (state.timeLevel === 'minute') {
state.currentHour = state.intervalHour;
second = lineLeft * 3600 / options.thumbContainerWidth;
state.currentMinute = parseInt(second / 60);
second -= state.currentMinute * 60;
state.currentSecond = parseInt(second);
} else {
state.currentHour = state.intervalHour;
state.currentMinute = state.intervalMinute;
second = lineLeft * 60 / options.thumbContainerWidth;
state.currentSecond = parseInt(second);
}
if (state.currentHour === 24) {
state.currentHour = 23;
state.currentMinute = 59;
state.currentSecond = 59;
}
this.updateThumbText();
};
/**
* 更新左上角的文本,显示当前整个插件的时间区间
*/
VideoStatus.prototype.updateIntervalText = function() {
var $this = this.$this;
var state = this.state;
if (state.timeLevel === 'hour') {
$this.find('.title').html('小时');
} else if (state.timeLevel === 'minute') {
$this.find('.title').html('分钟(' + state.intervalHour + '-' + (state.intervalHour + 1) + '时)');
} else {
$this.find('.title').html('秒(' + state.intervalHour + ':' + state.intervalMinute + '-' + state.intervalHour + ':' + (state.intervalMinute + 1) + '分)');
}
};
/**
* 更新当前时间区间
* @param {number} pageX 事件触发时的鼠标x值
*/
VideoStatus.prototype.updateInterval = function(pageX) {
var $this = this.$this;
var options = this.options;
var state = this.state;
var containerOffsetX = $this.offset().left;
var lineLeft = pageX - (options.channelTitleWidth + containerOffsetX);
var second = 0;
if (state.timeLevel === 'minute') {
second = lineLeft * (3600 * 24) / options.thumbContainerWidth;
state.intervalHour = parseInt(second / 3600);
} else if (state.timeLevel === 'second') {
second = lineLeft * 3600 / options.thumbContainerWidth;
state.intervalMinute = parseInt(second / 60);
}
if (state.intervalHour === 24) {
state.intervalHour = 23;
state.intervalMinute = 59;
}
};
/**
* 设置当前的事件,设置后控件会自动更新相应状态
* @param {object|string} time 传日期对象或者日期字符串
* @param {boolean} withDate 日期字符串是否包含日期部分,比如 12:33:33 不包含; 2018/3/6 12:33:33 就包含
*/
VideoStatus.prototype.setCurrentTime = function(time, withDate) {
var date = null;
if (typeof time === 'object') {
date = time;
} else if (typeof time === 'string') {
if (withDate) {
date = new Date(time);
} else {
var now = new Date();
var dateStr = now.getFullYear() + '/' + (now.getMonth() + 1) + '/' + now.getDate() + ' ' + time;
date = new Date(dateStr);
}
} else {
return false;
}
var hour = date.getHours();
var minute = date.getMinutes();
var second = date.getSeconds();
this.setCurrentTimeByHms(hour, minute, second);
};
/**
* 根据时分秒来更新当前时间,更新后控件会自动更新相应状态
* @param {number} hour 时
* @param {number} minute 分
* @param {number} second 秒
*/
VideoStatus.prototype.setCurrentTimeByHms = function(hour, minute, second) {
var state = this.state;
state.currentHour = hour;
state.currentMinute = minute;
state.currentSecond = second;
this.renderRed();
this.updateThumbText();
};
/**
* 设置速度
* @param {number} speed 速度 1,2,4,8,16
*/
VideoStatus.prototype.setSpeed = function(speed) {
var state = this.state;
state.speed = speed;
var interval = parseInt(1000 / state.speed);
if (state.timerId) {
clearInterval(state.timerId);
}
state.timerId = setInterval(this.go.bind(this), interval);
};
/**
* 改变方向
* @param {string} direction 方向 forward,backward
*/
VideoStatus.prototype.setDirection = function(direction) {
var state = this.state;
var d = direction === 'forward' ? 'forward' : 'backward';
state.direction = d;
};
/**
* 设置通道号
* @param {array[string]|string} channelsParam 通道数组,如果是数组就不用改,传字符串也可以
*/
VideoStatus.prototype.setChannels = function(channelsParam) {
var $this = this.$this;
var options = this.options;
var state = this.state;
var channels = null;
if (typeof channelsParam === 'object') {
channels = channelsParam;
} else if (typeof channelsParam === 'string') {
channels = channelsParam.split(',');
} else {
return false;
}
// 设置当前通道数据
state.currentChannels = channels;
for (var i = 0; i < options.channels.length; i++) {
var channelId = options.channels[i].toString();
if (channels.indexOf(channelId) < 0) {
$this.find('#channelTitle_' + channelId).hide();
$this.find('#channel_' + channelId).hide();
} else {
$this.find('#channelTitle_' + channelId).show();
$this.find('#channel_' + channelId).show();
}
}
$this.find('.line').css('height', (options.channelHeight * (Math.min(channels.length, options.channels.length) + 1)) + 'px');
};
/**
* 持续播放
* 通过改变当前时间播放
*/
VideoStatus.prototype.go = function() {
var state = this.state;
var second = state.direction === 'forward' ? 1 : -1;
var totalSecond = this.util.hms2Second(state.currentHour, state.currentMinute, state.currentSecond);
totalSecond += second;
var hms = this.util.second2Hms(totalSecond);
this.setCurrentTimeByHms(hms.hour, hms.minute, hms.second);
this.onPlaying();
};
/**
* 开始播放,从所有通道最前面的时间块开始播放
*/
VideoStatus.prototype.play = function() {
var state = this.state;
var options = this.options;
var interval = parseInt(1000 / state.speed);
if (state.timerId) {
clearInterval(state.timerId);
}
state.timerId = setInterval(this.go.bind(this), interval);
// 将时间设置到所有通道最前面的时间块
var minDate = null;
var itemDate = null;
var channelData = options.channelData;
var channelIds = Object.keys(channelData);
// 过滤隐藏了的通道,也就是不在 state.currentChannels 中的通道
channelIds = channelIds.filter(function(c) {
return state.currentChannels.filter(function(cc) {
return c.toString() === cc.toString();
}).length > 0;
});
for (var i = 0; i < channelIds.length; i++) {
var channelId = channelIds[i];
var greens = channelData[channelId];
for (var j = 0; j < greens.length; j++) {
var greenData = greens[j];
if (!minDate) {
minDate = new Date(greenData.StartTime.replace(/-/g, '/'));
} else if (minDate > (itemDate = new Date(greenData.StartTime.replace(/-/g, '/')))) {
minDate = itemDate;
}
}
}
this.setCurrentTime(minDate);
this.onStart();
};
/**
* 停止播放
*/
VideoStatus.prototype.stop = function() {
var state = this.state;
if (state.timerId) {
clearInterval(state.timerId);
}
this.setCurrentTimeByHms(0, 0, 0);
this.onStop();
};
/**
* 暂停播放
*/
VideoStatus.prototype.pause = function() {
var state = this.state;
if (state.timerId) {
clearInterval(state.timerId);
}
this.onPause();
};
/**
* 继续播放
*/
VideoStatus.prototype.continue = function() {
var state = this.state;
var interval = parseInt(1000 / state.speed);
if (state.timerId) {
clearInterval(state.timerId);
}
state.timerId = setInterval(this.go.bind(this), interval);
this.onContinue();
};
/**
* 销毁
*/
VideoStatus.prototype.destory = function() {
var $this = this.$this;
var state = this.state;
var options = this.options;
if (state.timerId) {
clearInterval(state.timerId);
}
var channelTitleContainer = $this.find('.channel-title-container');
var channelContainer = $this.find('.channel-container');
channelTitleContainer.empty();
channelContainer.empty();
$this.find('.line').css('height', options.channelHeight + 'px');
$this.find('.title').html('小时');
};
/**
* 渲染绿色区域和红线
*/
VideoStatus.prototype.render = function() {
this.renderGreen();
this.renderRed();
};
/**
* 渲染红线
*/
VideoStatus.prototype.renderRed = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
var totalSecond = this.util.hms2Second(state.currentHour, state.currentMinute, state.currentSecond);
var redLeft = 0;
if (state.timeLevel === 'hour') {
redLeft = options.thumbContainerWidth * totalSecond / (3600 * 24);
} else if (state.timeLevel === 'minute') {
redLeft = options.thumbContainerWidth * (totalSecond - state.intervalHour * 3600) / 3600;
} else {
redLeft = options.thumbContainerWidth * (totalSecond - (state.intervalHour * 3600 + state.intervalMinute * 60)) / 60;
}
redLeft -= options.thumbWidth / 2;
$this.find('.thumb').css('left', redLeft + 'px');
if ((redLeft < -options.thumbWidth / 2) || (redLeft > options.thumbContainerWidth + options.thumbWidth / 2)) {
$this.find('.thumb').css('visibility', 'hidden');
} else {
$this.find('.thumb').css('visibility', 'visible');
}
};
/**
* 渲染绿色区域
*/
VideoStatus.prototype.renderGreen = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
var channelData = options.channelData;
var channelIds = Object.keys(channelData);
for (var i = 0; i < channelIds.length; i++) {
var channelId = channelIds[i];
var greens = channelData[channelId];
var $channel = $this.find('#channel_' + channelId);
$channel.empty();
for (var j = 0; j < greens.length; j++) {
var greenData = greens[j];
var $green = $(options.greenTmpl);
var hmsStart = this.util.parseDate2HMS(greenData.StartTime.replace(/-/g, '/'));
var hmsEnd = this.util.parseDate2HMS(greenData.EndTime.replace(/-/g, '/'));
var secondDiff = hmsEnd.totalSecond - hmsStart.totalSecond;
var greenWidth = 0;
var greenLeft = 0;
if (state.timeLevel === 'hour') {
greenWidth = options.thumbContainerWidth * secondDiff / (3600 * 24);
greenLeft = options.thumbContainerWidth * hmsStart.totalSecond / (3600 * 24);
} else if (state.timeLevel === 'minute') {
greenWidth = options.thumbContainerWidth * secondDiff / 3600;
greenLeft = options.thumbContainerWidth * (hmsStart.totalSecond - state.intervalHour * 3600) / 3600;
} else {
greenWidth = options.thumbContainerWidth * secondDiff / 60;
greenLeft = options.thumbContainerWidth * (hmsStart.totalSecond - (state.intervalHour * 3600 + state.intervalMinute * 60)) / 60;
}
$green.css({
width: greenWidth + 'px',
left: greenLeft + 'px'
});
$channel.append($green);
}
}
};
VideoStatus.prototype.util = {
/**
* 如果传入的数字小于10,给前面加0
* 返回字符串
*/
padZero: function(num) {
if (num < 10) {
return '0' + num.toString();
}
return num.toString();
},
/**
* 将日期字符串解析成时分秒的对象
* 还有时分秒累计的总秒数
*/
parseDate2HMS: function(dateStr) {
var date = new Date(dateStr);
var hour = date.getHours();
var minute = date.getMinutes();
var second = date.getSeconds();
return {
hour: hour,
minute: minute,
second: second,
totalSecond: hour * 3600 + minute * 60 + second
};
},
/**
* 计算时分秒的总秒数
*/
hms2Second: function(hour, minute, second) {
return hour * 3600 + minute * 60 + second;
},
/**
* 将字符串形式的时分秒
* 计算时分秒的总秒数
* 07:22:45 => 43560
*/
hmsStr2Second: function(hmsStr) {
var hmsArr = hmsStr.split(':');
var hour = parseInt(hmsArr[0]);
var minute = parseInt(hmsArr[1]);
var second = parseInt(hmsArr[2]);
return hour * 3600 + minute * 60 + second;
},
/**
* 将秒转换成时分秒
*/
second2Hms: function(secondParam) {
var hour = 0;
var minute = 0;
var second = secondParam;
hour = parseInt(second / 3600);
second -= hour * 3600;
minute = parseInt(second / 60);
second -= minute * 60;
return {
hour: hour,
minute: minute,
second: second
};
}
};
/**
* 缩放事件
* 当鼠标在顶部thumb区域缩放改变事件维度时触发
*/
VideoStatus.prototype.onScale = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
this.render();
if (options.onScale && typeof options.onScale === 'function') {
options.onScale.call(this, $this, state);
}
};
/**
* 拖拽事件
* 当鼠标在拖动指示器或者红线时触发
*/
VideoStatus.prototype.onDrag = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onDrag && typeof options.onDrag === 'function') {
options.onDrag.call(this, $this, state);
}
};
/**
* 拖拽事件开始
* 当鼠标在拖动指示器或者红线时触发
*/
VideoStatus.prototype.onDragStart = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onDragStart && typeof options.onDragStart === 'function') {
options.onDragStart.call(this, $this, state);
}
};
/**
* 拖拽事件结束
* 当鼠标在拖动指示器或者红线时触发
*/
VideoStatus.prototype.onDragEnd = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onDragEnd && typeof options.onDragEnd === 'function') {
options.onDragEnd.call(this, $this, state);
}
};
/**
* 点击选中时间段事件
* 当鼠标点击时间刻度后触发
*/
VideoStatus.prototype.onStatusClick = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onStatusClick && typeof options.onStatusClick === 'function') {
options.onStatusClick.call(this, $this, state);
}
};
/**
* 持续播放事件
* 当控件在不断的播放时触发
*/
VideoStatus.prototype.onPlaying = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onPlaying && typeof options.onPlaying === 'function') {
options.onPlaying.call(this, $this, state);
}
};
/**
* 开始播放事件
* 当控件开始播放时触发
*/
VideoStatus.prototype.onStart = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onStart && typeof options.onStart === 'function') {
options.onStart.call(this, $this, state);
}
};
/**
* 停止播放事件
* 当控件开始播放时触发
*/
VideoStatus.prototype.onStop = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onStop && typeof options.onStop === 'function') {
options.onStop.call(this, $this, state);
}
};
/**
* 暂停播放事件
* 当控件暂停播放时触发
*/
VideoStatus.prototype.onPause = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onPause && typeof options.onPause === 'function') {
options.onPause.call(this, $this, state);
}
};
/**
* 继续播放事件
* 当控件继续播放时触发
*/
VideoStatus.prototype.onContinue = function() {
var $this = this.$this;
var options = this.options;
var state = this.state;
if (options.onContinue && typeof options.onContinue === 'function') {
options.onContinue.call(this, $this, state);
}
};
VideoStatus.prototype.test = function() {
// console.log('test this:', this);
};
$.fn.videoStatus = function(options) {
return new VideoStatus(this, options);
};
})(jQuery);