目录
目标效果：
更换的新接口：
1.机器人智能回复接口：http://www.liulongbin.top:3006/api/robot
2.机器人语音接口：http://www.liulongbin.top:3006/api/synthesize
重点原理：
1.jQuery中trim方法
2.jquery中append方法
3.jQuery中attr方法-设置/返回被选元素的属性值
4.通过设置 自动播放语音
5.keyup是某个键盘按键松开触发
6.keyup是某个键盘按键松开触发
代码部分：
1.chat.js（全是重点）
2.聊天机器人.html（辅助作用，用于添加 和查看结构）
3.scroll.js（辅助作用，用于实现：页面滚动效果）
4.jquery-1.12.4.min.js（辅助作用）
5.jquery-ui.min.js（辅助作用）
6.jquery.mousewheel.js（辅助作用）
7.reset.css（辅助作用）
8.main.css（辅助作用）
目标效果：
1.点击发送按钮，即可发送自己在聊天框输入的内容【空格/没输入，则不会被发送】
2.聊天机器人会回复自己发送的内容
3.机器人可以将它发送的聊天信息的语音自动播放【该接口有时行，有时不行。好的时候可以智能回应1中的内容，并读出该内容的语音】
4.在有多次对话之后，右边的滚动条会默认处于右边最下方，以显示最新的对话
5.按回车键，也可发送自己在聊天框输入的内容
更换的新接口：
1.机器人智能回复接口：http://www.liulongbin.top:3006/api/robot
2.机器人语音接口：http://www.liulongbin.top:3006/api/synthesize
e.g.1初始状态：
e.g.2用户输入牛奶：
机器人智能回复，并且读出回复内容的语音
e.g.3多次对话后，右边滚动条还是在右边的最下面
重点原理：
1.jQuery中trim方法
2.jquery中append方法
3.jQuery中attr方法-设置/返回被选元素的属性值
4.通过设置 <audio> 自动播放语音
5.keyup是某个键盘按键松开触发
6.keyup是某个键盘按键松开触发
代码部分：
1.chat.js（全是重点）
$(function () {
// 初始化右侧滚动条
// 这个方法定义在scroll.js中
resetui();//resetui函数用于实现：每次发送内容之后，页面会自动滚动到最底部
//1.给发送按钮绑定点击事件
$('#btnSend').on('click', function () {
var text = $('#ipt').val().trim();//trim()用于去除两端的空格
//(1)如果用户输入的是空格/没输入
if (text.length <= 0) {
return $('#ipt').val('');//清空#ipt文本框内容
}
//(2)如果用户输入了内容，则将该内容追加至页面上显示
//字符串不允许回车换行，所以下一行中append后面的内容得在一行上
$('#talk_list').append('<li class="right_word"><img src="img/person02.png" /><span>' + text + '</span></li>');
$('#ipt').val('');//发送完毕后，清空#ipt文本框内容
//发送完毕，实现页面自动滚动到最底部
resetui();
//调用下面的getMsg函数，传递参数text给下面的text
getMsg(text);
})
//2.获取聊天机器人发送回来的消息
function getMsg(text1) {//此处text1,接收上面的text参数
$.ajax({
method: 'GET',
url: 'http://www.liulongbin.top:3006/api/robot',
data: {
spoken: text1
},
success: function (res) {
if (res.message === 'success') {
//接收机器人发送过来的聊天消息
var msg = res.data.info.text;
$('#talk_list').append('<li class="left_word"><img src="img/person01.png"/><span>' + msg + '</span></li>');
//发送完毕，实现页面自动滚动到最底部
resetui();
//调用下面的getVoice函数，传递参数msg给下面的text2
getVoice(msg);
}
}
})
}
//3.将机器人发送的聊天信息转换为语音
function getVoice(msg1) {//此处msg1和,接收上面的msg参数
$.ajax({
method: 'GET',
url: 'http://www.liulongbin.top:3006/api/synthesize',
data: {
text: msg1
},
success: function (res) {
// console.log(res);
if (res.status === 200) {
//播放语音
$('#voice').attr('src', res.voiceUrl);//给audio设置了新的src属性
}
}
})
}
//4.按回车键可以发送自己聊天消息内容
$('#ipt').on('keyup', function (e) {
//e.key返回按键的字符串形式（ie9以上支持）
//用户弹起键盘的回车键的时候
if (e.key === 'Enter') {
//触发发送的按钮
$('#ntnSend').click();
}
})
})2.聊天机器人.html（辅助作用，用于添加<audio></audio>和查看结构）
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<link rel="stylesheet" href="css/reset.css" />
<link rel="stylesheet" href="css/main.css" />
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript" src="js/jquery-ui.min.js"></script>
<script type="text/javascript" src="js/jquery.mousewheel.js"></script>
<title>聊天机器人</title>
</head>
<body>
<div class="wrap">
<!-- 头部 Header 区域 -->
<div class="header">
<h3>小思同学</h3>
<img src="img/person01.png" alt="icon" />
</div>
<!-- 中间 聊天内容区域 -->
<div class="main">
<ul class="talk_list" style="top: 0px;" id="talk_list">
<li class="left_word">
<img src="img/person01.png" /> <span>嗨，最近想我了没有</span>
</li>
<!-- <li class="right_word">
<img src="img/person02.png" /> <span>你好哦</span>
</li> -->
</ul>
<div class="drag_bar" style="display: none;">
<div class="drager ui-draggable ui-draggable-handle" style="display: none; height: 412.628px;"></div>
</div>
</div>
<!-- 底部 消息编辑区域 -->
<div class="footer">
<img src="img/person02.png" alt="icon" />
<input type="text" placeholder="说的什么吧..." class="input_txt" id="ipt" />
<input type="button" value="发 送" class="input_sub" id="btnSend" />
</div>
</div>
<!-- 只要为audio指定了新的src属性，并且指定了autoplay，就会自动播放语音 -->
<audio src="" id="voice" autoplay style="display: none;"></audio>
<!-- scroll.js用于实现：页面滚动效果 -->
<script type="text/javascript" src="js/scroll.js"></script>
<script src="./js/chat.js"></script>
</body>
</html>3.scroll.js（辅助作用，用于实现：页面滚动效果）
$(function () {
var $main = $('.main');
var $list = $('.talk_list');
var $drager = $('.drager');
var $mainh = $main.outerHeight(false);
var $listh = $list.outerHeight(false);
var $rate = $mainh / $listh;
var $dragh = $mainh * $rate;
var $top = 0;
$drager.css({ 'height': $dragh });
$drager.draggable({
containment: "parent",
drag: function (ev, ui) {
$top = ui.position.top;
$list.css({ 'top': -$top / $rate });
}
});
$(window).resize(function () {
resetui();
});
//var timer = null;
var flag = false;
$main.mousewheel(function(ev,delta){
//console.log(delta);
//clearTimeout(timer);
//timer = setTimeout(function(){
// 向上滚动正值，向下滚动负值
if(flag){
return;
}
flag = true;
setTimeout(function(){
flag = false;
},300);
if($listh <= $mainh){
return;
}else{
if(delta>0){
$top = $top-60;
if($top<0){
$top=0;
}
$drager.animate({ 'top': $top },200);
$list.animate({ 'top': -$top / $rate },200);
}else{
$top = $top+60;
if($top>($mainh-$dragh)){
$top=parseInt($mainh-$dragh);
}
$drager.animate({ 'top': $top },200);
$list.animate({ 'top': -parseInt($top / $rate) },200);
}
}
//},300);
});
if ($listh <= $mainh) {
$('.drag_bar').hide();
$('.drager').hide();
}
function resetui(){
$mainh = $main.outerHeight(false);
$listh = $list.outerHeight(false);
$rate = $mainh / $listh;
$dragh = $mainh * $rate;
$drager.css({ 'height': $dragh });
if ($listh <= $mainh) {
$('.drag_bar').hide();
$drager.hide();
$list.css({ 'top':0 });
} else {
$('.drag_bar').show();
$drager.show();
$drager.css({ 'top': $mainh-$dragh });
$list.css({ 'top': -($listh-$mainh) });
}
}
window.resetui = resetui;
})4.jquery-1.12.4.min.js（辅助作用）
/*! jQuery v1.12.4 | (c) jQuery Foundation | jquery.org/license */
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d,e,f,g,h,i,j,k=n.css(a,"position"),l=n(a),m={};"static"===k&&(a.style.position="relative"),h=l.offset(),f=n.css(a,"top"),i=n.css(a,"left"),j=("absolute"===k||"fixed"===k)&&n.inArray("auto",[f,i])>-1,j?(d=l.position(),g=d.top,e=d.left):(g=parseFloat(f)||0,e=parseFloat(i)||0),n.isFunction(b)&&(b=b.call(a,c,n.extend({},h))),null!=b.top&&(m.top=b.top-h.top+g),null!=b.left&&(m.left=b.left-h.left+e),"using"in b?b.using.call(a,m):l.css(m)}},n.fn.extend({offset:function(a){if(arguments.length)return void 0===a?this:this.each(function(b){n.offset.setOffset(this,a,b)});var b,c,d={top:0,left:0},e=this[0],f=e&&e.ownerDocument;if(f)return b=f.documentElement,n.contains(b,e)?("undefined"!=typeof e.getBoundingClientRect&&(d=e.getBoundingClientRect()),c=mc(f),{top:d.top+(c.pageYOffset||b.scrollTop)-(b.clientTop||0),left:d.left+(c.pageXOffset||b.scrollLeft)-(b.clientLeft||0)}):d},position:function(){if(this[0]){var 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5.jquery-ui.min.js（辅助作用）
/*! jQuery UI - v1.12.1 - 2016-10-06
* http://jqueryui.com
* Includes: widget.js, position.js, data.js, keycode.js, scroll-parent.js, unique-id.js, widgets/draggable.js, widgets/autocomplete.js, widgets/menu.js, widgets/mouse.js, effect.js
* Copyright jQuery Foundation and other contributors; Licensed MIT */
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e=this;this._destroy(),t.each(this.classesElementLookup,function(t,i){e._removeClass(i,t)}),this.element.off(this.eventNamespace).removeData(this.widgetFullName),this.widget().off(this.eventNamespace).removeAttr("aria-disabled"),this.bindings.off(this.eventNamespace)},_destroy:t.noop,widget:function(){return this.element},option:function(e,i){var s,n,o,a=e;if(0===arguments.length)return t.widget.extend({},this.options);if("string"==typeof e)if(a={},s=e.split("."),e=s.shift(),s.length){for(n=a[e]=t.widget.extend({},this.options[e]),o=0;s.length-1>o;o++)n[s[o]]=n[s[o]]||{},n=n[s[o]];if(e=s.pop(),1===arguments.length)return void 0===n[e]?null:n[e];n[e]=i}else{if(1===arguments.length)return void 0===this.options[e]?null:this.options[e];a[e]=i}return this._setOptions(a),this},_setOptions:function(t){var e;for(e in t)this._setOption(e,t[e]);return this},_setOption:function(t,e){return"classes"===t&&this._setOptionClasses(e),this.options[t]=e,"disabled"===t&&this._setOptionDisabled(e),this},_setOptionClasses:function(e){var i,s,n;for(i in e)n=this.classesElementLookup[i],e[i]!==this.options.classes[i]&&n&&n.length&&(s=t(n.get()),this._removeClass(n,i),s.addClass(this._classes({element:s,keys:i,classes:e,add:!0})))},_setOptionDisabled:function(t){this._toggleClass(this.widget(),this.widgetFullName+"-disabled",null,!!t),t&&(this._removeClass(this.hoverable,null,"ui-state-hover"),this._removeClass(this.focusable,null,"ui-state-focus"))},enable:function(){return this._setOptions({disabled:!1})},disable:function(){return this._setOptions({disabled:!0})},_classes:function(e){function i(i,o){var a,r;for(r=0;i.length>r;r++)a=n.classesElementLookup[i[r]]||t(),a=e.add?t(t.unique(a.get().concat(e.element.get()))):t(a.not(e.element).get()),n.classesElementLookup[i[r]]=a,s.push(i[r]),o&&e.classes[i[r]]&&s.push(e.classes[i[r]])}var s=[],n=this;return e=t.extend({element:this.element,classes:this.options.classes||{}},e),this._on(e.element,{remove:"_untrackClassesElement"}),e.keys&&i(e.keys.match(/\S+/g)||[],!0),e.extra&&i(e.extra.match(/\S+/g)||[]),s.join(" ")},_untrackClassesElement:function(e){var i=this;t.each(i.classesElementLookup,function(s,n){-1!==t.inArray(e.target,n)&&(i.classesElementLookup[s]=t(n.not(e.target).get()))})},_removeClass:function(t,e,i){return this._toggleClass(t,e,i,!1)},_addClass:function(t,e,i){return this._toggleClass(t,e,i,!0)},_toggleClass:function(t,e,i,s){s="boolean"==typeof s?s:i;var n="string"==typeof t||null===t,o={extra:n?e:i,keys:n?t:e,element:n?this.element:t,add:s};return o.element.toggleClass(this._classes(o),s),this},_on:function(e,i,s){var n,o=this;"boolean"!=typeof e&&(s=i,i=e,e=!1),s?(i=n=t(i),this.bindings=this.bindings.add(i)):(s=i,i=this.element,n=this.widget()),t.each(s,function(s,a){function r(){return e||o.options.disabled!==!0&&!t(this).hasClass("ui-state-disabled")?("string"==typeof a?o[a]:a).apply(o,arguments):void 0}"string"!=typeof a&&(r.guid=a.guid=a.guid||r.guid||t.guid++);var l=s.match(/^([\w:-]*)\s*(.*)$/),h=l[1]+o.eventNamespace,c=l[2];c?n.on(h,c,r):i.on(h,r)})},_off:function(e,i){i=(i||"").split(" ").join(this.eventNamespace+" ")+this.eventNamespace,e.off(i).off(i),this.bindings=t(this.bindings.not(e).get()),this.focusable=t(this.focusable.not(e).get()),this.hoverable=t(this.hoverable.not(e).get())},_delay:function(t,e){function i(){return("string"==typeof t?s[t]:t).apply(s,arguments)}var s=this;return setTimeout(i,e||0)},_hoverable:function(e){this.hoverable=this.hoverable.add(e),this._on(e,{mouseenter:function(e){this._addClass(t(e.currentTarget),null,"ui-state-hover")},mouseleave:function(e){this._removeClass(t(e.currentTarget),null,"ui-state-hover")}})},_focusable:function(e){this.focusable=this.focusable.add(e),this._on(e,{focusin:function(e){this._addClass(t(e.currentTarget),null,"ui-state-focus")},focusout:function(e){this._removeClass(t(e.currentTarget),null,"ui-state-focus")}})},_trigger:function(e,i,s){var n,o,a=this.options[e];if(s=s||{},i=t.Event(i),i.type=(e===this.widgetEventPrefix?e:this.widgetEventPrefix+e).toLowerCase(),i.target=this.element[0],o=i.originalEvent)for(n in o)n in i||(i[n]=o[n]);return this.element.trigger(i,s),!(t.isFunction(a)&&a.apply(this.element[0],[i].concat(s))===!1||i.isDefaultPrevented())}},t.each({show:"fadeIn",hide:"fadeOut"},function(e,i){t.Widget.prototype["_"+e]=function(s,n,o){"string"==typeof n&&(n={effect:n});var a,r=n?n===!0||"number"==typeof n?i:n.effect||i:e;n=n||{},"number"==typeof n&&(n={duration:n}),a=!t.isEmptyObject(n),n.complete=o,n.delay&&s.delay(n.delay),a&&t.effects&&t.effects.effect[r]?s[e](n):r!==e&&s[r]?s[r](n.duration,n.easing,o):s.queue(function(i){t(this)[e](),o&&o.call(s[0]),i()})}}),t.widget,function(){function e(t,e,i){return[parseFloat(t[0])*(u.test(t[0])?e/100:1),parseFloat(t[1])*(u.test(t[1])?i/100:1)]}function i(e,i){return parseInt(t.css(e,i),10)||0}function s(e){var i=e[0];return 9===i.nodeType?{width:e.width(),height:e.height(),offset:{top:0,left:0}}:t.isWindow(i)?{width:e.width(),height:e.height(),offset:{top:e.scrollTop(),left:e.scrollLeft()}}:i.preventDefault?{width:0,height:0,offset:{top:i.pageY,left:i.pageX}}:{width:e.outerWidth(),height:e.outerHeight(),offset:e.offset()}}var n,o=Math.max,a=Math.abs,r=/left|center|right/,l=/top|center|bottom/,h=/[\+\-]\d+(\.[\d]+)?%?/,c=/^\w+/,u=/%$/,d=t.fn.position;t.position={scrollbarWidth:function(){if(void 0!==n)return n;var e,i,s=t("<div style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>"),o=s.children()[0];return t("body").append(s),e=o.offsetWidth,s.css("overflow","scroll"),i=o.offsetWidth,e===i&&(i=s[0].clientWidth),s.remove(),n=e-i},getScrollInfo:function(e){var i=e.isWindow||e.isDocument?"":e.element.css("overflow-x"),s=e.isWindow||e.isDocument?"":e.element.css("overflow-y"),n="scroll"===i||"auto"===i&&e.width<e.element[0].scrollWidth,o="scroll"===s||"auto"===s&&e.height<e.element[0].scrollHeight;return{width:o?t.position.scrollbarWidth():0,height:n?t.position.scrollbarWidth():0}},getWithinInfo:function(e){var i=t(e||window),s=t.isWindow(i[0]),n=!!i[0]&&9===i[0].nodeType,o=!s&&!n;return{element:i,isWindow:s,isDocument:n,offset:o?t(e).offset():{left:0,top:0},scrollLeft:i.scrollLeft(),scrollTop:i.scrollTop(),width:i.outerWidth(),height:i.outerHeight()}}},t.fn.position=function(n){if(!n||!n.of)return d.apply(this,arguments);n=t.extend({},n);var u,p,f,g,m,_,v=t(n.of),b=t.position.getWithinInfo(n.within),y=t.position.getScrollInfo(b),w=(n.collision||"flip").split(" "),k={};return _=s(v),v[0].preventDefault&&(n.at="left top"),p=_.width,f=_.height,g=_.offset,m=t.extend({},g),t.each(["my","at"],function(){var t,e,i=(n[this]||"").split(" ");1===i.length&&(i=r.test(i[0])?i.concat(["center"]):l.test(i[0])?["center"].concat(i):["center","center"]),i[0]=r.test(i[0])?i[0]:"center",i[1]=l.test(i[1])?i[1]:"center",t=h.exec(i[0]),e=h.exec(i[1]),k[this]=[t?t[0]:0,e?e[0]:0],n[this]=[c.exec(i[0])[0],c.exec(i[1])[0]]}),1===w.length&&(w[1]=w[0]),"right"===n.at[0]?m.left+=p:"center"===n.at[0]&&(m.left+=p/2),"bottom"===n.at[1]?m.top+=f:"center"===n.at[1]&&(m.top+=f/2),u=e(k.at,p,f),m.left+=u[0],m.top+=u[1],this.each(function(){var s,r,l=t(this),h=l.outerWidth(),c=l.outerHeight(),d=i(this,"marginLeft"),_=i(this,"marginTop"),x=h+d+i(this,"marginRight")+y.width,C=c+_+i(this,"marginBottom")+y.height,D=t.extend({},m),T=e(k.my,l.outerWidth(),l.outerHeight());"right"===n.my[0]?D.left-=h:"center"===n.my[0]&&(D.left-=h/2),"bottom"===n.my[1]?D.top-=c:"center"===n.my[1]&&(D.top-=c/2),D.left+=T[0],D.top+=T[1],s={marginLeft:d,marginTop:_},t.each(["left","top"],function(e,i){t.ui.position[w[e]]&&t.ui.position[w[e]][i](D,{targetWidth:p,targetHeight:f,elemWidth:h,elemHeight:c,collisionPosition:s,collisionWidth:x,collisionHeight:C,offset:[u[0]+T[0],u[1]+T[1]],my:n.my,at:n.at,within:b,elem:l})}),n.using&&(r=function(t){var e=g.left-D.left,i=e+p-h,s=g.top-D.top,r=s+f-c,u={target:{element:v,left:g.left,top:g.top,width:p,height:f},element:{element:l,left:D.left,top:D.top,width:h,height:c},horizontal:0>i?"left":e>0?"right":"center",vertical:0>r?"top":s>0?"bottom":"middle"};h>p&&p>a(e+i)&&(u.horizontal="center"),c>f&&f>a(s+r)&&(u.vertical="middle"),u.important=o(a(e),a(i))>o(a(s),a(r))?"horizontal":"vertical",n.using.call(this,t,u)}),l.offset(t.extend(D,{using:r}))})},t.ui.position={fit:{left:function(t,e){var i,s=e.within,n=s.isWindow?s.scrollLeft:s.offset.left,a=s.width,r=t.left-e.collisionPosition.marginLeft,l=n-r,h=r+e.collisionWidth-a-n;e.collisionWidth>a?l>0&&0>=h?(i=t.left+l+e.collisionWidth-a-n,t.left+=l-i):t.left=h>0&&0>=l?n:l>h?n+a-e.collisionWidth:n:l>0?t.left+=l:h>0?t.left-=h:t.left=o(t.left-r,t.left)},top:function(t,e){var i,s=e.within,n=s.isWindow?s.scrollTop:s.offset.top,a=e.within.height,r=t.top-e.collisionPosition.marginTop,l=n-r,h=r+e.collisionHeight-a-n;e.collisionHeight>a?l>0&&0>=h?(i=t.top+l+e.collisionHeight-a-n,t.top+=l-i):t.top=h>0&&0>=l?n:l>h?n+a-e.collisionHeight:n:l>0?t.top+=l:h>0?t.top-=h:t.top=o(t.top-r,t.top)}},flip:{left:function(t,e){var i,s,n=e.within,o=n.offset.left+n.scrollLeft,r=n.width,l=n.isWindow?n.scrollLeft:n.offset.left,h=t.left-e.collisionPosition.marginLeft,c=h-l,u=h+e.collisionWidth-r-l,d="left"===e.my[0]?-e.elemWidth:"right"===e.my[0]?e.elemWidth:0,p="left"===e.at[0]?e.targetWidth:"right"===e.at[0]?-e.targetWidth:0,f=-2*e.offset[0];0>c?(i=t.left+d+p+f+e.collisionWidth-r-o,(0>i||a(c)>i)&&(t.left+=d+p+f)):u>0&&(s=t.left-e.collisionPosition.marginLeft+d+p+f-l,(s>0||u>a(s))&&(t.left+=d+p+f))},top:function(t,e){var i,s,n=e.within,o=n.offset.top+n.scrollTop,r=n.height,l=n.isWindow?n.scrollTop:n.offset.top,h=t.top-e.collisionPosition.marginTop,c=h-l,u=h+e.collisionHeight-r-l,d="top"===e.my[1],p=d?-e.elemHeight:"bottom"===e.my[1]?e.elemHeight:0,f="top"===e.at[1]?e.targetHeight:"bottom"===e.at[1]?-e.targetHeight:0,g=-2*e.offset[1];0>c?(s=t.top+p+f+g+e.collisionHeight-r-o,(0>s||a(c)>s)&&(t.top+=p+f+g)):u>0&&(i=t.top-e.collisionPosition.marginTop+p+f+g-l,(i>0||u>a(i))&&(t.top+=p+f+g))}},flipfit:{left:function(){t.ui.position.flip.left.apply(this,arguments),t.ui.position.fit.left.apply(this,arguments)},top:function(){t.ui.position.flip.top.apply(this,arguments),t.ui.position.fit.top.apply(this,arguments)}}}}(),t.ui.position,t.extend(t.expr[":"],{data:t.expr.createPseudo?t.expr.createPseudo(function(e){return function(i){return!!t.data(i,e)}}):function(e,i,s){return!!t.data(e,s[3])}}),t.ui.keyCode={BACKSPACE:8,COMMA:188,DELETE:46,DOWN:40,END:35,ENTER:13,ESCAPE:27,HOME:36,LEFT:37,PAGE_DOWN:34,PAGE_UP:33,PERIOD:190,RIGHT:39,SPACE:32,TAB:9,UP:38},t.fn.scrollParent=function(e){var i=this.css("position"),s="absolute"===i,n=e?/(auto|scroll|hidden)/:/(auto|scroll)/,o=this.parents().filter(function(){var e=t(this);return s&&"static"===e.css("position")?!1:n.test(e.css("overflow")+e.css("overflow-y")+e.css("overflow-x"))}).eq(0);return"fixed"!==i&&o.length?o:t(this[0].ownerDocument||document)},t.fn.extend({uniqueId:function(){var t=0;return function(){return this.each(function(){this.id||(this.id="ui-id-"+ ++t)})}}(),removeUniqueId:function(){return this.each(function(){/^ui-id-\d+$/.test(this.id)&&t(this).removeAttr("id")})}}),t.ui.ie=!!/msie [\w.]+/.exec(navigator.userAgent.toLowerCase());var s=!1;t(document).on("mouseup",function(){s=!1}),t.widget("ui.mouse",{version:"1.12.1",options:{cancel:"input, textarea, button, select, option",distance:1,delay:0},_mouseInit:function(){var e=this;this.element.on("mousedown."+this.widgetName,function(t){return e._mouseDown(t)}).on("click."+this.widgetName,function(i){return!0===t.data(i.target,e.widgetName+".preventClickEvent")?(t.removeData(i.target,e.widgetName+".preventClickEvent"),i.stopImmediatePropagation(),!1):void 0}),this.started=!1},_mouseDestroy:function(){this.element.off("."+this.widgetName),this._mouseMoveDelegate&&this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate)},_mouseDown:function(e){if(!s){this._mouseMoved=!1,this._mouseStarted&&this._mouseUp(e),this._mouseDownEvent=e;var i=this,n=1===e.which,o="string"==typeof this.options.cancel&&e.target.nodeName?t(e.target).closest(this.options.cancel).length:!1;return n&&!o&&this._mouseCapture(e)?(this.mouseDelayMet=!this.options.delay,this.mouseDelayMet||(this._mouseDelayTimer=setTimeout(function(){i.mouseDelayMet=!0},this.options.delay)),this._mouseDistanceMet(e)&&this._mouseDelayMet(e)&&(this._mouseStarted=this._mouseStart(e)!==!1,!this._mouseStarted)?(e.preventDefault(),!0):(!0===t.data(e.target,this.widgetName+".preventClickEvent")&&t.removeData(e.target,this.widgetName+".preventClickEvent"),this._mouseMoveDelegate=function(t){return i._mouseMove(t)},this._mouseUpDelegate=function(t){return i._mouseUp(t)},this.document.on("mousemove."+this.widgetName,this._mouseMoveDelegate).on("mouseup."+this.widgetName,this._mouseUpDelegate),e.preventDefault(),s=!0,!0)):!0}},_mouseMove:function(e){if(this._mouseMoved){if(t.ui.ie&&(!document.documentMode||9>document.documentMode)&&!e.button)return this._mouseUp(e);if(!e.which)if(e.originalEvent.altKey||e.originalEvent.ctrlKey||e.originalEvent.metaKey||e.originalEvent.shiftKey)this.ignoreMissingWhich=!0;else if(!this.ignoreMissingWhich)return this._mouseUp(e)}return(e.which||e.button)&&(this._mouseMoved=!0),this._mouseStarted?(this._mouseDrag(e),e.preventDefault()):(this._mouseDistanceMet(e)&&this._mouseDelayMet(e)&&(this._mouseStarted=this._mouseStart(this._mouseDownEvent,e)!==!1,this._mouseStarted?this._mouseDrag(e):this._mouseUp(e)),!this._mouseStarted)},_mouseUp:function(e){this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate),this._mouseStarted&&(this._mouseStarted=!1,e.target===this._mouseDownEvent.target&&t.data(e.target,this.widgetName+".preventClickEvent",!0),this._mouseStop(e)),this._mouseDelayTimer&&(clearTimeout(this._mouseDelayTimer),delete this._mouseDelayTimer),this.ignoreMissingWhich=!1,s=!1,e.preventDefault()},_mouseDistanceMet:function(t){return Math.max(Math.abs(this._mouseDownEvent.pageX-t.pageX),Math.abs(this._mouseDownEvent.pageY-t.pageY))>=this.options.distance},_mouseDelayMet:function(){return this.mouseDelayMet},_mouseStart:function(){},_mouseDrag:function(){},_mouseStop:function(){},_mouseCapture:function(){return!0}}),t.ui.plugin={add:function(e,i,s){var n,o=t.ui[e].prototype;for(n in s)o.plugins[n]=o.plugins[n]||[],o.plugins[n].push([i,s[n]])},call:function(t,e,i,s){var n,o=t.plugins[e];if(o&&(s||t.element[0].parentNode&&11!==t.element[0].parentNode.nodeType))for(n=0;o.length>n;n++)t.options[o[n][0]]&&o[n][1].apply(t.element,i)}},t.ui.safeActiveElement=function(t){var e;try{e=t.activeElement}catch(i){e=t.body}return e||(e=t.body),e.nodeName||(e=t.body),e},t.ui.safeBlur=function(e){e&&"body"!==e.nodeName.toLowerCase()&&t(e).trigger("blur")},t.widget("ui.draggable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1,drag:null,start:null,stop:null},_create:function(){"original"===this.options.helper&&this._setPositionRelative(),this.options.addClasses&&this._addClass("ui-draggable"),this._setHandleClassName(),this._mouseInit()},_setOption:function(t,e){this._super(t,e),"handle"===t&&(this._removeHandleClassName(),this._setHandleClassName())},_destroy:function(){return(this.helper||this.element).is(".ui-draggable-dragging")?(this.destroyOnClear=!0,void 0):(this._removeHandleClassName(),this._mouseDestroy(),void 0)},_mouseCapture:function(e){var i=this.options;return this.helper||i.disabled||t(e.target).closest(".ui-resizable-handle").length>0?!1:(this.handle=this._getHandle(e),this.handle?(this._blurActiveElement(e),this._blockFrames(i.iframeFix===!0?"iframe":i.iframeFix),!0):!1)},_blockFrames:function(e){this.iframeBlocks=this.document.find(e).map(function(){var e=t(this);return t("<div>").css("position","absolute").appendTo(e.parent()).outerWidth(e.outerWidth()).outerHeight(e.outerHeight()).offset(e.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_blurActiveElement:function(e){var i=t.ui.safeActiveElement(this.document[0]),s=t(e.target);s.closest(i).length||t.ui.safeBlur(i)},_mouseStart:function(e){var i=this.options;return this.helper=this._createHelper(e),this._addClass(this.helper,"ui-draggable-dragging"),this._cacheHelperProportions(),t.ui.ddmanager&&(t.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(!0),this.offsetParent=this.helper.offsetParent(),this.hasFixedAncestor=this.helper.parents().filter(function(){return"fixed"===t(this).css("position")}).length>0,this.positionAbs=this.element.offset(),this._refreshOffsets(e),this.originalPosition=this.position=this._generatePosition(e,!1),this.originalPageX=e.pageX,this.originalPageY=e.pageY,i.cursorAt&&this._adjustOffsetFromHelper(i.cursorAt),this._setContainment(),this._trigger("start",e)===!1?(this._clear(),!1):(this._cacheHelperProportions(),t.ui.ddmanager&&!i.dropBehaviour&&t.ui.ddmanager.prepareOffsets(this,e),this._mouseDrag(e,!0),t.ui.ddmanager&&t.ui.ddmanager.dragStart(this,e),!0)},_refreshOffsets:function(t){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()},this.offset.click={left:t.pageX-this.offset.left,top:t.pageY-this.offset.top}},_mouseDrag:function(e,i){if(this.hasFixedAncestor&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(e,!0),this.positionAbs=this._convertPositionTo("absolute"),!i){var s=this._uiHash();if(this._trigger("drag",e,s)===!1)return this._mouseUp(new t.Event("mouseup",e)),!1;this.position=s.position}return this.helper[0].style.left=this.position.left+"px",this.helper[0].style.top=this.position.top+"px",t.ui.ddmanager&&t.ui.ddmanager.drag(this,e),!1},_mouseStop:function(e){var i=this,s=!1;return t.ui.ddmanager&&!this.options.dropBehaviour&&(s=t.ui.ddmanager.drop(this,e)),this.dropped&&(s=this.dropped,this.dropped=!1),"invalid"===this.options.revert&&!s||"valid"===this.options.revert&&s||this.options.revert===!0||t.isFunction(this.options.revert)&&this.options.revert.call(this.element,s)?t(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){i._trigger("stop",e)!==!1&&i._clear()}):this._trigger("stop",e)!==!1&&this._clear(),!1},_mouseUp:function(e){return this._unblockFrames(),t.ui.ddmanager&&t.ui.ddmanager.dragStop(this,e),this.handleElement.is(e.target)&&this.element.trigger("focus"),t.ui.mouse.prototype._mouseUp.call(this,e)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp(new t.Event("mouseup",{target:this.element[0]})):this._clear(),this},_getHandle:function(e){return this.options.handle?!!t(e.target).closest(this.element.find(this.options.handle)).length:!0},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element,this._addClass(this.handleElement,"ui-draggable-handle")},_removeHandleClassName:function(){this._removeClass(this.handleElement,"ui-draggable-handle")},_createHelper:function(e){var i=this.options,s=t.isFunction(i.helper),n=s?t(i.helper.apply(this.element[0],[e])):"clone"===i.helper?this.element.clone().removeAttr("id"):this.element;return n.parents("body").length||n.appendTo("parent"===i.appendTo?this.element[0].parentNode:i.appendTo),s&&n[0]===this.element[0]&&this._setPositionRelative(),n[0]===this.element[0]||/(fixed|absolute)/.test(n.css("position"))||n.css("position","absolute"),n},_setPositionRelative:function(){/^(?:r|a|f)/.test(this.element.css("position"))||(this.element[0].style.position="relative")},_adjustOffsetFromHelper:function(e){"string"==typeof e&&(e=e.split(" ")),t.isArray(e)&&(e={left:+e[0],top:+e[1]||0}),"left"in e&&(this.offset.click.left=e.left+this.margins.left),"right"in e&&(this.offset.click.left=this.helperProportions.width-e.right+this.margins.left),"top"in e&&(this.offset.click.top=e.top+this.margins.top),"bottom"in e&&(this.offset.click.top=this.helperProportions.height-e.bottom+this.margins.top)},_isRootNode:function(t){return/(html|body)/i.test(t.tagName)||t===this.document[0]},_getParentOffset:function(){var e=this.offsetParent.offset(),i=this.document[0];return"absolute"===this.cssPosition&&this.scrollParent[0]!==i&&t.contains(this.scrollParent[0],this.offsetParent[0])&&(e.left+=this.scrollParent.scrollLeft(),e.top+=this.scrollParent.scrollTop()),this._isRootNode(this.offsetParent[0])&&(e={top:0,left:0}),{top:e.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:e.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"!==this.cssPosition)return{top:0,left:0};var t=this.element.position(),e=this._isRootNode(this.scrollParent[0]);return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+(e?0:this.scrollParent.scrollTop()),left:t.left-(parseInt(this.helper.css("left"),10)||0)+(e?0:this.scrollParent.scrollLeft())}},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var e,i,s,n=this.options,o=this.document[0];return this.relativeContainer=null,n.containment?"window"===n.containment?(this.containment=[t(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,t(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,t(window).scrollLeft()+t(window).width()-this.helperProportions.width-this.margins.left,t(window).scrollTop()+(t(window).height()||o.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top],void 0):"document"===n.containment?(this.containment=[0,0,t(o).width()-this.helperProportions.width-this.margins.left,(t(o).height()||o.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top],void 0):n.containment.constructor===Array?(this.containment=n.containment,void 0):("parent"===n.containment&&(n.containment=this.helper[0].parentNode),i=t(n.containment),s=i[0],s&&(e=/(scroll|auto)/.test(i.css("overflow")),this.containment=[(parseInt(i.css("borderLeftWidth"),10)||0)+(parseInt(i.css("paddingLeft"),10)||0),(parseInt(i.css("borderTopWidth"),10)||0)+(parseInt(i.css("paddingTop"),10)||0),(e?Math.max(s.scrollWidth,s.offsetWidth):s.offsetWidth)-(parseInt(i.css("borderRightWidth"),10)||0)-(parseInt(i.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(e?Math.max(s.scrollHeight,s.offsetHeight):s.offsetHeight)-(parseInt(i.css("borderBottomWidth"),10)||0)-(parseInt(i.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relativeContainer=i),void 0):(this.containment=null,void 0)},_convertPositionTo:function(t,e){e||(e=this.position);var i="absolute"===t?1:-1,s=this._isRootNode(this.scrollParent[0]);return{top:e.top+this.offset.relative.top*i+this.offset.parent.top*i-("fixed"===this.cssPosition?-this.offset.scroll.top:s?0:this.offset.scroll.top)*i,left:e.left+this.offset.relative.left*i+this.offset.parent.left*i-("fixed"===this.cssPosition?-this.offset.scroll.left:s?0:this.offset.scroll.left)*i}},_generatePosition:function(t,e){var i,s,n,o,a=this.options,r=this._isRootNode(this.scrollParent[0]),l=t.pageX,h=t.pageY;return r&&this.offset.scroll||(this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()}),e&&(this.containment&&(this.relativeContainer?(s=this.relativeContainer.offset(),i=[this.containment[0]+s.left,this.containment[1]+s.top,this.containment[2]+s.left,this.containment[3]+s.top]):i=this.containment,t.pageX-this.offset.click.left<i[0]&&(l=i[0]+this.offset.click.left),t.pageY-this.offset.click.top<i[1]&&(h=i[1]+this.offset.click.top),t.pageX-this.offset.click.left>i[2]&&(l=i[2]+this.offset.click.left),t.pageY-this.offset.click.top>i[3]&&(h=i[3]+this.offset.click.top)),a.grid&&(n=a.grid[1]?this.originalPageY+Math.round((h-this.originalPageY)/a.grid[1])*a.grid[1]:this.originalPageY,h=i?n-this.offset.click.top>=i[1]||n-this.offset.click.top>i[3]?n:n-this.offset.click.top>=i[1]?n-a.grid[1]:n+a.grid[1]:n,o=a.grid[0]?this.originalPageX+Math.round((l-this.originalPageX)/a.grid[0])*a.grid[0]:this.originalPageX,l=i?o-this.offset.click.left>=i[0]||o-this.offset.click.left>i[2]?o:o-this.offset.click.left>=i[0]?o-a.grid[0]:o+a.grid[0]:o),"y"===a.axis&&(l=this.originalPageX),"x"===a.axis&&(h=this.originalPageY)),{top:h-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.offset.scroll.top:r?0:this.offset.scroll.top),left:l-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.offset.scroll.left:r?0:this.offset.scroll.left)}},_clear:function(){this._removeClass(this.helper,"ui-draggable-dragging"),this.helper[0]===this.element[0]||this.cancelHelperRemoval||this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1,this.destroyOnClear&&this.destroy()},_trigger:function(e,i,s){return s=s||this._uiHash(),t.ui.plugin.call(this,e,[i,s,this],!0),/^(drag|start|stop)/.test(e)&&(this.positionAbs=this._convertPositionTo("absolute"),s.offset=this.positionAbs),t.Widget.prototype._trigger.call(this,e,i,s)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),t.ui.plugin.add("draggable","connectToSortable",{start:function(e,i,s){var n=t.extend({},i,{item:s.element});s.sortables=[],t(s.options.connectToSortable).each(function(){var i=t(this).sortable("instance");i&&!i.options.disabled&&(s.sortables.push(i),i.refreshPositions(),i._trigger("activate",e,n))})},stop:function(e,i,s){var n=t.extend({},i,{item:s.element});s.cancelHelperRemoval=!1,t.each(s.sortables,function(){var t=this;t.isOver?(t.isOver=0,s.cancelHelperRemoval=!0,t.cancelHelperRemoval=!1,t._storedCSS={position:t.placeholder.css("position"),top:t.placeholder.css("top"),left:t.placeholder.css("left")},t._mouseStop(e),t.options.helper=t.options._helper):(t.cancelHelperRemoval=!0,t._trigger("deactivate",e,n))})},drag:function(e,i,s){t.each(s.sortables,function(){var n=!1,o=this;o.positionAbs=s.positionAbs,o.helperProportions=s.helperProportions,o.offset.click=s.offset.click,o._intersectsWith(o.containerCache)&&(n=!0,t.each(s.sortables,function(){return this.positionAbs=s.positionAbs,this.helperProportions=s.helperProportions,this.offset.click=s.offset.click,this!==o&&this._intersectsWith(this.containerCache)&&t.contains(o.element[0],this.element[0])&&(n=!1),n})),n?(o.isOver||(o.isOver=1,s._parent=i.helper.parent(),o.currentItem=i.helper.appendTo(o.element).data("ui-sortable-item",!0),o.options._helper=o.options.helper,o.options.helper=function(){return i.helper[0]},e.target=o.currentItem[0],o._mouseCapture(e,!0),o._mouseStart(e,!0,!0),o.offset.click.top=s.offset.click.top,o.offset.click.left=s.offset.click.left,o.offset.parent.left-=s.offset.parent.left-o.offset.parent.left,o.offset.parent.top-=s.offset.parent.top-o.offset.parent.top,s._trigger("toSortable",e),s.dropped=o.element,t.each(s.sortables,function(){this.refreshPositions()}),s.currentItem=s.element,o.fromOutside=s),o.currentItem&&(o._mouseDrag(e),i.position=o.position)):o.isOver&&(o.isOver=0,o.cancelHelperRemoval=!0,o.options._revert=o.options.revert,o.options.revert=!1,o._trigger("out",e,o._uiHash(o)),o._mouseStop(e,!0),o.options.revert=o.options._revert,o.options.helper=o.options._helper,o.placeholder&&o.placeholder.remove(),i.helper.appendTo(s._parent),s._refreshOffsets(e),i.position=s._generatePosition(e,!0),s._trigger("fromSortable",e),s.dropped=!1,t.each(s.sortables,function(){this.refreshPositions()}))})}}),t.ui.plugin.add("draggable","cursor",{start:function(e,i,s){var n=t("body"),o=s.options;
n.css("cursor")&&(o._cursor=n.css("cursor")),n.css("cursor",o.cursor)},stop:function(e,i,s){var n=s.options;n._cursor&&t("body").css("cursor",n._cursor)}}),t.ui.plugin.add("draggable","opacity",{start:function(e,i,s){var n=t(i.helper),o=s.options;n.css("opacity")&&(o._opacity=n.css("opacity")),n.css("opacity",o.opacity)},stop:function(e,i,s){var n=s.options;n._opacity&&t(i.helper).css("opacity",n._opacity)}}),t.ui.plugin.add("draggable","scroll",{start:function(t,e,i){i.scrollParentNotHidden||(i.scrollParentNotHidden=i.helper.scrollParent(!1)),i.scrollParentNotHidden[0]!==i.document[0]&&"HTML"!==i.scrollParentNotHidden[0].tagName&&(i.overflowOffset=i.scrollParentNotHidden.offset())},drag:function(e,i,s){var n=s.options,o=!1,a=s.scrollParentNotHidden[0],r=s.document[0];a!==r&&"HTML"!==a.tagName?(n.axis&&"x"===n.axis||(s.overflowOffset.top+a.offsetHeight-e.pageY<n.scrollSensitivity?a.scrollTop=o=a.scrollTop+n.scrollSpeed:e.pageY-s.overflowOffset.top<n.scrollSensitivity&&(a.scrollTop=o=a.scrollTop-n.scrollSpeed)),n.axis&&"y"===n.axis||(s.overflowOffset.left+a.offsetWidth-e.pageX<n.scrollSensitivity?a.scrollLeft=o=a.scrollLeft+n.scrollSpeed:e.pageX-s.overflowOffset.left<n.scrollSensitivity&&(a.scrollLeft=o=a.scrollLeft-n.scrollSpeed))):(n.axis&&"x"===n.axis||(e.pageY-t(r).scrollTop()<n.scrollSensitivity?o=t(r).scrollTop(t(r).scrollTop()-n.scrollSpeed):t(window).height()-(e.pageY-t(r).scrollTop())<n.scrollSensitivity&&(o=t(r).scrollTop(t(r).scrollTop()+n.scrollSpeed))),n.axis&&"y"===n.axis||(e.pageX-t(r).scrollLeft()<n.scrollSensitivity?o=t(r).scrollLeft(t(r).scrollLeft()-n.scrollSpeed):t(window).width()-(e.pageX-t(r).scrollLeft())<n.scrollSensitivity&&(o=t(r).scrollLeft(t(r).scrollLeft()+n.scrollSpeed)))),o!==!1&&t.ui.ddmanager&&!n.dropBehaviour&&t.ui.ddmanager.prepareOffsets(s,e)}}),t.ui.plugin.add("draggable","snap",{start:function(e,i,s){var n=s.options;s.snapElements=[],t(n.snap.constructor!==String?n.snap.items||":data(ui-draggable)":n.snap).each(function(){var e=t(this),i=e.offset();this!==s.element[0]&&s.snapElements.push({item:this,width:e.outerWidth(),height:e.outerHeight(),top:i.top,left:i.left})})},drag:function(e,i,s){var n,o,a,r,l,h,c,u,d,p,f=s.options,g=f.snapTolerance,m=i.offset.left,_=m+s.helperProportions.width,v=i.offset.top,b=v+s.helperProportions.height;for(d=s.snapElements.length-1;d>=0;d--)l=s.snapElements[d].left-s.margins.left,h=l+s.snapElements[d].width,c=s.snapElements[d].top-s.margins.top,u=c+s.snapElements[d].height,l-g>_||m>h+g||c-g>b||v>u+g||!t.contains(s.snapElements[d].item.ownerDocument,s.snapElements[d].item)?(s.snapElements[d].snapping&&s.options.snap.release&&s.options.snap.release.call(s.element,e,t.extend(s._uiHash(),{snapItem:s.snapElements[d].item})),s.snapElements[d].snapping=!1):("inner"!==f.snapMode&&(n=g>=Math.abs(c-b),o=g>=Math.abs(u-v),a=g>=Math.abs(l-_),r=g>=Math.abs(h-m),n&&(i.position.top=s._convertPositionTo("relative",{top:c-s.helperProportions.height,left:0}).top),o&&(i.position.top=s._convertPositionTo("relative",{top:u,left:0}).top),a&&(i.position.left=s._convertPositionTo("relative",{top:0,left:l-s.helperProportions.width}).left),r&&(i.position.left=s._convertPositionTo("relative",{top:0,left:h}).left)),p=n||o||a||r,"outer"!==f.snapMode&&(n=g>=Math.abs(c-v),o=g>=Math.abs(u-b),a=g>=Math.abs(l-m),r=g>=Math.abs(h-_),n&&(i.position.top=s._convertPositionTo("relative",{top:c,left:0}).top),o&&(i.position.top=s._convertPositionTo("relative",{top:u-s.helperProportions.height,left:0}).top),a&&(i.position.left=s._convertPositionTo("relative",{top:0,left:l}).left),r&&(i.position.left=s._convertPositionTo("relative",{top:0,left:h-s.helperProportions.width}).left)),!s.snapElements[d].snapping&&(n||o||a||r||p)&&s.options.snap.snap&&s.options.snap.snap.call(s.element,e,t.extend(s._uiHash(),{snapItem:s.snapElements[d].item})),s.snapElements[d].snapping=n||o||a||r||p)}}),t.ui.plugin.add("draggable","stack",{start:function(e,i,s){var n,o=s.options,a=t.makeArray(t(o.stack)).sort(function(e,i){return(parseInt(t(e).css("zIndex"),10)||0)-(parseInt(t(i).css("zIndex"),10)||0)});a.length&&(n=parseInt(t(a[0]).css("zIndex"),10)||0,t(a).each(function(e){t(this).css("zIndex",n+e)}),this.css("zIndex",n+a.length))}}),t.ui.plugin.add("draggable","zIndex",{start:function(e,i,s){var n=t(i.helper),o=s.options;n.css("zIndex")&&(o._zIndex=n.css("zIndex")),n.css("zIndex",o.zIndex)},stop:function(e,i,s){var n=s.options;n._zIndex&&t(i.helper).css("zIndex",n._zIndex)}}),t.ui.draggable,t.widget("ui.menu",{version:"1.12.1",defaultElement:"<ul>",delay:300,options:{icons:{submenu:"ui-icon-caret-1-e"},items:"> *",menus:"ul",position:{my:"left top",at:"right top"},role:"menu",blur:null,focus:null,select:null},_create:function(){this.activeMenu=this.element,this.mouseHandled=!1,this.element.uniqueId().attr({role:this.options.role,tabIndex:0}),this._addClass("ui-menu","ui-widget ui-widget-content"),this._on({"mousedown .ui-menu-item":function(t){t.preventDefault()},"click .ui-menu-item":function(e){var i=t(e.target),s=t(t.ui.safeActiveElement(this.document[0]));!this.mouseHandled&&i.not(".ui-state-disabled").length&&(this.select(e),e.isPropagationStopped()||(this.mouseHandled=!0),i.has(".ui-menu").length?this.expand(e):!this.element.is(":focus")&&s.closest(".ui-menu").length&&(this.element.trigger("focus",[!0]),this.active&&1===this.active.parents(".ui-menu").length&&clearTimeout(this.timer)))},"mouseenter .ui-menu-item":function(e){if(!this.previousFilter){var i=t(e.target).closest(".ui-menu-item"),s=t(e.currentTarget);i[0]===s[0]&&(this._removeClass(s.siblings().children(".ui-state-active"),null,"ui-state-active"),this.focus(e,s))}},mouseleave:"collapseAll","mouseleave .ui-menu":"collapseAll",focus:function(t,e){var i=this.active||this.element.find(this.options.items).eq(0);e||this.focus(t,i)},blur:function(e){this._delay(function(){var i=!t.contains(this.element[0],t.ui.safeActiveElement(this.document[0]));i&&this.collapseAll(e)})},keydown:"_keydown"}),this.refresh(),this._on(this.document,{click:function(t){this._closeOnDocumentClick(t)&&this.collapseAll(t),this.mouseHandled=!1}})},_destroy:function(){var e=this.element.find(".ui-menu-item").removeAttr("role aria-disabled"),i=e.children(".ui-menu-item-wrapper").removeUniqueId().removeAttr("tabIndex role aria-haspopup");this.element.removeAttr("aria-activedescendant").find(".ui-menu").addBack().removeAttr("role aria-labelledby aria-expanded aria-hidden aria-disabled tabIndex").removeUniqueId().show(),i.children().each(function(){var e=t(this);e.data("ui-menu-submenu-caret")&&e.remove()})},_keydown:function(e){var i,s,n,o,a=!0;switch(e.keyCode){case t.ui.keyCode.PAGE_UP:this.previousPage(e);break;case t.ui.keyCode.PAGE_DOWN:this.nextPage(e);break;case t.ui.keyCode.HOME:this._move("first","first",e);break;case t.ui.keyCode.END:this._move("last","last",e);break;case t.ui.keyCode.UP:this.previous(e);break;case t.ui.keyCode.DOWN:this.next(e);break;case t.ui.keyCode.LEFT:this.collapse(e);break;case t.ui.keyCode.RIGHT:this.active&&!this.active.is(".ui-state-disabled")&&this.expand(e);break;case t.ui.keyCode.ENTER:case t.ui.keyCode.SPACE:this._activate(e);break;case t.ui.keyCode.ESCAPE:this.collapse(e);break;default:a=!1,s=this.previousFilter||"",o=!1,n=e.keyCode>=96&&105>=e.keyCode?""+(e.keyCode-96):String.fromCharCode(e.keyCode),clearTimeout(this.filterTimer),n===s?o=!0:n=s+n,i=this._filterMenuItems(n),i=o&&-1!==i.index(this.active.next())?this.active.nextAll(".ui-menu-item"):i,i.length||(n=String.fromCharCode(e.keyCode),i=this._filterMenuItems(n)),i.length?(this.focus(e,i),this.previousFilter=n,this.filterTimer=this._delay(function(){delete this.previousFilter},1e3)):delete this.previousFilter}a&&e.preventDefault()},_activate:function(t){this.active&&!this.active.is(".ui-state-disabled")&&(this.active.children("[aria-haspopup='true']").length?this.expand(t):this.select(t))},refresh:function(){var e,i,s,n,o,a=this,r=this.options.icons.submenu,l=this.element.find(this.options.menus);this._toggleClass("ui-menu-icons",null,!!this.element.find(".ui-icon").length),s=l.filter(":not(.ui-menu)").hide().attr({role:this.options.role,"aria-hidden":"true","aria-expanded":"false"}).each(function(){var e=t(this),i=e.prev(),s=t("<span>").data("ui-menu-submenu-caret",!0);a._addClass(s,"ui-menu-icon","ui-icon "+r),i.attr("aria-haspopup","true").prepend(s),e.attr("aria-labelledby",i.attr("id"))}),this._addClass(s,"ui-menu","ui-widget ui-widget-content ui-front"),e=l.add(this.element),i=e.find(this.options.items),i.not(".ui-menu-item").each(function(){var e=t(this);a._isDivider(e)&&a._addClass(e,"ui-menu-divider","ui-widget-content")}),n=i.not(".ui-menu-item, .ui-menu-divider"),o=n.children().not(".ui-menu").uniqueId().attr({tabIndex:-1,role:this._itemRole()}),this._addClass(n,"ui-menu-item")._addClass(o,"ui-menu-item-wrapper"),i.filter(".ui-state-disabled").attr("aria-disabled","true"),this.active&&!t.contains(this.element[0],this.active[0])&&this.blur()},_itemRole:function(){return{menu:"menuitem",listbox:"option"}[this.options.role]},_setOption:function(t,e){if("icons"===t){var i=this.element.find(".ui-menu-icon");this._removeClass(i,null,this.options.icons.submenu)._addClass(i,null,e.submenu)}this._super(t,e)},_setOptionDisabled:function(t){this._super(t),this.element.attr("aria-disabled",t+""),this._toggleClass(null,"ui-state-disabled",!!t)},focus:function(t,e){var i,s,n;this.blur(t,t&&"focus"===t.type),this._scrollIntoView(e),this.active=e.first(),s=this.active.children(".ui-menu-item-wrapper"),this._addClass(s,null,"ui-state-active"),this.options.role&&this.element.attr("aria-activedescendant",s.attr("id")),n=this.active.parent().closest(".ui-menu-item").children(".ui-menu-item-wrapper"),this._addClass(n,null,"ui-state-active"),t&&"keydown"===t.type?this._close():this.timer=this._delay(function(){this._close()},this.delay),i=e.children(".ui-menu"),i.length&&t&&/^mouse/.test(t.type)&&this._startOpening(i),this.activeMenu=e.parent(),this._trigger("focus",t,{item:e})},_scrollIntoView:function(e){var 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this.menu.element},_value:function(){return this.valueMethod.apply(this.element,arguments)},_keyEvent:function(t,e){(!this.isMultiLine||this.menu.element.is(":visible"))&&(this._move(t,e),e.preventDefault())},_isContentEditable:function(t){if(!t.length)return!1;var e=t.prop("contentEditable");return"inherit"===e?this._isContentEditable(t.parent()):"true"===e}}),t.extend(t.ui.autocomplete,{escapeRegex:function(t){return t.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")},filter:function(e,i){var s=RegExp(t.ui.autocomplete.escapeRegex(i),"i");return t.grep(e,function(t){return s.test(t.label||t.value||t)})}}),t.widget("ui.autocomplete",t.ui.autocomplete,{options:{messages:{noResults:"No search results.",results:function(t){return t+(t>1?" results are":" result is")+" available, use up and down arrow keys to navigate."}}},__response:function(e){var 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function(i){return!!t(i).data(a)||e(i)}}(t.expr.filters.animated)),t.uiBackCompat!==!1&&t.extend(t.effects,{save:function(t,e){for(var i=0,s=e.length;s>i;i++)null!==e[i]&&t.data(n+e[i],t[0].style[e[i]])
},restore:function(t,e){for(var i,s=0,o=e.length;o>s;s++)null!==e[s]&&(i=t.data(n+e[s]),t.css(e[s],i))},setMode:function(t,e){return"toggle"===e&&(e=t.is(":hidden")?"show":"hide"),e},createWrapper:function(e){if(e.parent().is(".ui-effects-wrapper"))return e.parent();var i={width:e.outerWidth(!0),height:e.outerHeight(!0),"float":e.css("float")},s=t("<div></div>").addClass("ui-effects-wrapper").css({fontSize:"100%",background:"transparent",border:"none",margin:0,padding:0}),n={width:e.width(),height:e.height()},o=document.activeElement;try{o.id}catch(a){o=document.body}return e.wrap(s),(e[0]===o||t.contains(e[0],o))&&t(o).trigger("focus"),s=e.parent(),"static"===e.css("position")?(s.css({position:"relative"}),e.css({position:"relative"})):(t.extend(i,{position:e.css("position"),zIndex:e.css("z-index")}),t.each(["top","left","bottom","right"],function(t,s){i[s]=e.css(s),isNaN(parseInt(i[s],10))&&(i[s]="auto")}),e.css({position:"relative",top:0,left:0,right:"auto",bottom:"auto"})),e.css(n),s.css(i).show()},removeWrapper:function(e){var i=document.activeElement;return e.parent().is(".ui-effects-wrapper")&&(e.parent().replaceWith(e),(e[0]===i||t.contains(e[0],i))&&t(i).trigger("focus")),e}}),t.extend(t.effects,{version:"1.12.1",define:function(e,i,s){return s||(s=i,i="effect"),t.effects.effect[e]=s,t.effects.effect[e].mode=i,s},scaledDimensions:function(t,e,i){if(0===e)return{height:0,width:0,outerHeight:0,outerWidth:0};var s="horizontal"!==i?(e||100)/100:1,n="vertical"!==i?(e||100)/100:1;return{height:t.height()*n,width:t.width()*s,outerHeight:t.outerHeight()*n,outerWidth:t.outerWidth()*s}},clipToBox:function(t){return{width:t.clip.right-t.clip.left,height:t.clip.bottom-t.clip.top,left:t.clip.left,top:t.clip.top}},unshift:function(t,e,i){var s=t.queue();e>1&&s.splice.apply(s,[1,0].concat(s.splice(e,i))),t.dequeue()},saveStyle:function(t){t.data(o,t[0].style.cssText)},restoreStyle:function(t){t[0].style.cssText=t.data(o)||"",t.removeData(o)},mode:function(t,e){var i=t.is(":hidden");return"toggle"===e&&(e=i?"show":"hide"),(i?"hide"===e:"show"===e)&&(e="none"),e},getBaseline:function(t,e){var i,s;switch(t[0]){case"top":i=0;break;case"middle":i=.5;break;case"bottom":i=1;break;default:i=t[0]/e.height}switch(t[1]){case"left":s=0;break;case"center":s=.5;break;case"right":s=1;break;default:s=t[1]/e.width}return{x:s,y:i}},createPlaceholder:function(e){var i,s=e.css("position"),o=e.position();return e.css({marginTop:e.css("marginTop"),marginBottom:e.css("marginBottom"),marginLeft:e.css("marginLeft"),marginRight:e.css("marginRight")}).outerWidth(e.outerWidth()).outerHeight(e.outerHeight()),/^(static|relative)/.test(s)&&(s="absolute",i=t("<"+e[0].nodeName+">").insertAfter(e).css({display:/^(inline|ruby)/.test(e.css("display"))?"inline-block":"block",visibility:"hidden",marginTop:e.css("marginTop"),marginBottom:e.css("marginBottom"),marginLeft:e.css("marginLeft"),marginRight:e.css("marginRight"),"float":e.css("float")}).outerWidth(e.outerWidth()).outerHeight(e.outerHeight()).addClass("ui-effects-placeholder"),e.data(n+"placeholder",i)),e.css({position:s,left:o.left,top:o.top}),i},removePlaceholder:function(t){var e=n+"placeholder",i=t.data(e);i&&(i.remove(),t.removeData(e))},cleanUp:function(e){t.effects.restoreStyle(e),t.effects.removePlaceholder(e)},setTransition:function(e,i,s,n){return n=n||{},t.each(i,function(t,i){var o=e.cssUnit(i);o[0]>0&&(n[i]=o[0]*s+o[1])}),n}}),t.fn.extend({effect:function(){function i(e){function i(){l.removeData(a),t.effects.cleanUp(l),"hide"===s.mode&&l.hide(),r()}function r(){t.isFunction(h)&&h.call(l[0]),t.isFunction(e)&&e()}var l=t(this);s.mode=u.shift(),t.uiBackCompat===!1||o?"none"===s.mode?(l[c](),r()):n.call(l[0],s,i):(l.is(":hidden")?"hide"===c:"show"===c)?(l[c](),r()):n.call(l[0],s,r)}var s=e.apply(this,arguments),n=t.effects.effect[s.effect],o=n.mode,r=s.queue,l=r||"fx",h=s.complete,c=s.mode,u=[],d=function(e){var i=t(this),s=t.effects.mode(i,c)||o;i.data(a,!0),u.push(s),o&&("show"===s||s===o&&"hide"===s)&&i.show(),o&&"none"===s||t.effects.saveStyle(i),t.isFunction(e)&&e()};return t.fx.off||!n?c?this[c](s.duration,h):this.each(function(){h&&h.call(this)}):r===!1?this.each(d).each(i):this.queue(l,d).queue(l,i)},show:function(t){return function(s){if(i(s))return t.apply(this,arguments);var n=e.apply(this,arguments);return n.mode="show",this.effect.call(this,n)}}(t.fn.show),hide:function(t){return function(s){if(i(s))return t.apply(this,arguments);var n=e.apply(this,arguments);return n.mode="hide",this.effect.call(this,n)}}(t.fn.hide),toggle:function(t){return function(s){if(i(s)||"boolean"==typeof s)return t.apply(this,arguments);var n=e.apply(this,arguments);return n.mode="toggle",this.effect.call(this,n)}}(t.fn.toggle),cssUnit:function(e){var i=this.css(e),s=[];return t.each(["em","px","%","pt"],function(t,e){i.indexOf(e)>0&&(s=[parseFloat(i),e])}),s},cssClip:function(t){return t?this.css("clip","rect("+t.top+"px "+t.right+"px "+t.bottom+"px "+t.left+"px)"):s(this.css("clip"),this)},transfer:function(e,i){var s=t(this),n=t(e.to),o="fixed"===n.css("position"),a=t("body"),r=o?a.scrollTop():0,l=o?a.scrollLeft():0,h=n.offset(),c={top:h.top-r,left:h.left-l,height:n.innerHeight(),width:n.innerWidth()},u=s.offset(),d=t("<div class='ui-effects-transfer'></div>").appendTo("body").addClass(e.className).css({top:u.top-r,left:u.left-l,height:s.innerHeight(),width:s.innerWidth(),position:o?"fixed":"absolute"}).animate(c,e.duration,e.easing,function(){d.remove(),t.isFunction(i)&&i()})}}),t.fx.step.clip=function(e){e.clipInit||(e.start=t(e.elem).cssClip(),"string"==typeof e.end&&(e.end=s(e.end,e.elem)),e.clipInit=!0),t(e.elem).cssClip({top:e.pos*(e.end.top-e.start.top)+e.start.top,right:e.pos*(e.end.right-e.start.right)+e.start.right,bottom:e.pos*(e.end.bottom-e.start.bottom)+e.start.bottom,left:e.pos*(e.end.left-e.start.left)+e.start.left})}}(),function(){var e={};t.each(["Quad","Cubic","Quart","Quint","Expo"],function(t,i){e[i]=function(e){return Math.pow(e,t+2)}}),t.extend(e,{Sine:function(t){return 1-Math.cos(t*Math.PI/2)},Circ:function(t){return 1-Math.sqrt(1-t*t)},Elastic:function(t){return 0===t||1===t?t:-Math.pow(2,8*(t-1))*Math.sin((80*(t-1)-7.5)*Math.PI/15)},Back:function(t){return t*t*(3*t-2)},Bounce:function(t){for(var e,i=4;((e=Math.pow(2,--i))-1)/11>t;);return 1/Math.pow(4,3-i)-7.5625*Math.pow((3*e-2)/22-t,2)}}),t.each(e,function(e,i){t.easing["easeIn"+e]=i,t.easing["easeOut"+e]=function(t){return 1-i(1-t)},t.easing["easeInOut"+e]=function(t){return.5>t?i(2*t)/2:1-i(-2*t+2)/2}})}(),t.effects});6.jquery.mousewheel.js（辅助作用）
/*! Copyright (c) 2013 Brandon Aaron (http://brandon.aaron.sh)
* Licensed under the MIT License (LICENSE.txt).
*
* Version: 3.1.12
*
* Requires: jQuery 1.2.2+
*/
(function (factory) {
if ( typeof define === 'function' && define.amd ) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS style for Browserify
module.exports = factory;
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {
var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'],
toBind = ( 'onwheel' in document || document.documentMode >= 9 ) ?
['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'],
slice = Array.prototype.slice,
nullLowestDeltaTimeout, lowestDelta;
if ( $.event.fixHooks ) {
for ( var i = toFix.length; i; ) {
$.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
}
}
var special = $.event.special.mousewheel = {
version: '3.1.12',
setup: function() {
if ( this.addEventListener ) {
for ( var i = toBind.length; i; ) {
this.addEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = handler;
}
// Store the line height and page height for this particular element
$.data(this, 'mousewheel-line-height', special.getLineHeight(this));
$.data(this, 'mousewheel-page-height', special.getPageHeight(this));
},
teardown: function() {
if ( this.removeEventListener ) {
for ( var i = toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
// Clean up the data we added to the element
$.removeData(this, 'mousewheel-line-height');
$.removeData(this, 'mousewheel-page-height');
},
getLineHeight: function(elem) {
var $elem = $(elem),
$parent = $elem['offsetParent' in $.fn ? 'offsetParent' : 'parent']();
if (!$parent.length) {
$parent = $('body');
}
return parseInt($parent.css('fontSize'), 10) || parseInt($elem.css('fontSize'), 10) || 16;
},
getPageHeight: function(elem) {
return $(elem).height();
},
settings: {
adjustOldDeltas: true, // see shouldAdjustOldDeltas() below
normalizeOffset: true // calls getBoundingClientRect for each event
}
};
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
},
unmousewheel: function(fn) {
return this.unbind('mousewheel', fn);
}
});
function handler(event) {
var orgEvent = event || window.event,
args = slice.call(arguments, 1),
delta = 0,
deltaX = 0,
deltaY = 0,
absDelta = 0,
offsetX = 0,
offsetY = 0;
event = $.event.fix(orgEvent);
event.type = 'mousewheel';
// Old school scrollwheel delta
if ( 'detail' in orgEvent ) { deltaY = orgEvent.detail * -1; }
if ( 'wheelDelta' in orgEvent ) { deltaY = orgEvent.wheelDelta; }
if ( 'wheelDeltaY' in orgEvent ) { deltaY = orgEvent.wheelDeltaY; }
if ( 'wheelDeltaX' in orgEvent ) { deltaX = orgEvent.wheelDeltaX * -1; }
// Firefox < 17 horizontal scrolling related to DOMMouseScroll event
if ( 'axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
deltaX = deltaY * -1;
deltaY = 0;
}
// Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
delta = deltaY === 0 ? deltaX : deltaY;
// New school wheel delta (wheel event)
if ( 'deltaY' in orgEvent ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( 'deltaX' in orgEvent ) {
deltaX = orgEvent.deltaX;
if ( deltaY === 0 ) { delta = deltaX * -1; }
}
// No change actually happened, no reason to go any further
if ( deltaY === 0 && deltaX === 0 ) { return; }
// Need to convert lines and pages to pixels if we aren't already in pixels
// There are three delta modes:
// * deltaMode 0 is by pixels, nothing to do
// * deltaMode 1 is by lines
// * deltaMode 2 is by pages
if ( orgEvent.deltaMode === 1 ) {
var lineHeight = $.data(this, 'mousewheel-line-height');
delta *= lineHeight;
deltaY *= lineHeight;
deltaX *= lineHeight;
} else if ( orgEvent.deltaMode === 2 ) {
var pageHeight = $.data(this, 'mousewheel-page-height');
delta *= pageHeight;
deltaY *= pageHeight;
deltaX *= pageHeight;
}
// Store lowest absolute delta to normalize the delta values
absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
if ( !lowestDelta || absDelta < lowestDelta ) {
lowestDelta = absDelta;
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
lowestDelta /= 40;
}
}
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
// Divide all the things by 40!
delta /= 40;
deltaX /= 40;
deltaY /= 40;
}
// Get a whole, normalized value for the deltas
delta = Math[ delta >= 1 ? 'floor' : 'ceil' ](delta / lowestDelta);
deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta);
deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta);
// Normalise offsetX and offsetY properties
if ( special.settings.normalizeOffset && this.getBoundingClientRect ) {
var boundingRect = this.getBoundingClientRect();
offsetX = event.clientX - boundingRect.left;
offsetY = event.clientY - boundingRect.top;
}
// Add information to the event object
event.deltaX = deltaX;
event.deltaY = deltaY;
event.deltaFactor = lowestDelta;
event.offsetX = offsetX;
event.offsetY = offsetY;
// Go ahead and set deltaMode to 0 since we converted to pixels
// Although this is a little odd since we overwrite the deltaX/Y
// properties with normalized deltas.
event.deltaMode = 0;
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
// Clearout lowestDelta after sometime to better
// handle multiple device types that give different
// a different lowestDelta
// Ex: trackpad = 3 and mouse wheel = 120
if (nullLowestDeltaTimeout) { clearTimeout(nullLowestDeltaTimeout); }
nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200);
return ($.event.dispatch || $.event.handle).apply(this, args);
}
function nullLowestDelta() {
lowestDelta = null;
}
function shouldAdjustOldDeltas(orgEvent, absDelta) {
// If this is an older event and the delta is divisable by 120,
// then we are assuming that the browser is treating this as an
// older mouse wheel event and that we should divide the deltas
// by 40 to try and get a more usable deltaFactor.
// Side note, this actually impacts the reported scroll distance
// in older browsers and can cause scrolling to be slower than native.
// Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false.
return special.settings.adjustOldDeltas && orgEvent.type === 'mousewheel' && absDelta % 120 === 0;
}
}));
7.reset.css（辅助作用）
body,ul,h1,h2,h3,h4,h5,h6{
margin: 0;
padding: 0;
}
h1,h2,h3,h4,h5,h6{
font-size:100%;
font-weight:normal;
}
a{
text-decoration:none;
}
ul{
list-style:none;
}
img{
border:0px;
}
/* 清除浮动，解决margin-top塌陷 */
.clearfix:before,.clearfix:after{
content:'';
display:table;
}
.clearfix:after{
clear:both;
}
.clearfix{
zoom:1;
}
.fl{
float:left;
}
.fr{
float:right;
}
8.main.css（辅助作用）
body {
font-family: 'Microsoft YaHei';
}
.wrap {
position: fixed;
width: 450px;
left: 50%;
margin-left: -225px;
top: 20px;
bottom: 20px;
border: 1px solid #ebebeb;
background-color: #fff;
border-radius: 10px;
box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
overflow: hidden;
}
.header {
height: 55px;
background: linear-gradient(90deg, rgba(246, 60, 47, 0.6), rgba(128, 58, 242, 0.6));
overflow: hidden;
}
.header h3 {
color: #faf3fc;
line-height: 55px;
font-weight: normal;
float: left;
letter-spacing: 2px;
margin-left: 25px;
font-size: 18px;
text-shadow: 0px 0px 5px #944846;
}
.header img {
float: right;
margin: 7px 25px 0 0;
border-radius: 20px;
box-shadow: 0 0 5px #f7f2fe;
}
.main {
position: absolute;
left: 0;
right: 0;
top: 55px;
bottom: 55px;
background-color: #f4f3f3;
box-sizing: border-box;
padding: 10px 0;
overflow:hidden;
}
.talk_list{
position: absolute;
width:100%;
left:0px;
top:0px;
}
.talk_list li {
overflow: hidden;
margin: 20px 0px 30px;
}
.talk_list .left_word img {
float: left;
margin-left: 20px;
}
.talk_list .left_word span {
float: left;
background-color: #fe9697;
padding: 10px 15px;
max-width: 290px;
border-radius: 12px;
font-size: 16px;
color: #fff;
margin-left: 13px;
position: relative;
line-height: 24px;
}
.talk_list .left_word span:before {
content: '';
position: absolute;
left: -8px;
top: 3px;
width: 13px;
height: 12px;
background: url('../img/corner01.png') no-repeat;
}
.talk_list .right_word img {
float: right;
margin-right: 20px;
}
.talk_list .right_word span {
float: right;
background-color: #fff;
padding: 10px 15px;
max-width: 290px;
border-radius: 12px;
font-size: 16px;
color: #000;
margin-right: 13px;
position: relative;
line-height: 24px;
}
.talk_list .right_word span:before {
content: '';
position: absolute;
right: -8px;
top: 3px;
width: 13px;
height: 12px;
background: url('../img/corner02.png') no-repeat;
}
.drag_bar{
position:absolute;
right:0px;
top:0px;
background-color: #fff;
height:100%;
width:6px;
box-sizing:border-box;
border-bottom:1px solid #f4f3f3;
}
.drager{
position:absolute;
left:0px;
top:0px;
background-color: #cdcdcd;
height:100px;
width:6px;
border-radius:3px;
cursor: pointer;
}
.footer{
width:100%;
height: 55px;
left:0px;
bottom:0px;
background-color:#fff;
position: absolute;
}
.footer img{
float: left;
margin:8px 0 0 20px;
}
.input_txt{
float: left;
width:270px;
height:37px;
border:0px;
background-color: #f4f3f3;
margin:9px 0 0 20px;
border-radius:8px;
padding:0px;
outline:none;
text-indent:15px;
}
.input_sub{
float: left;
width:70px;
height:37px;
border:0px;
background-color: #fe9697;
margin:9px 0 0 15px;
border-radius:8px;
padding:0px;
outline:none;
color:#fff;
cursor: pointer;
}
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