339 lines
12 KiB
JavaScript
339 lines
12 KiB
JavaScript
/*!
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* TouchSlide v1.1
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* javascript触屏滑动特效插件，移动端滑动特效，触屏焦点图，触屏Tab切换，触屏多图切换等
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* 详尽信息请看官网：http://www.SuperSlide2.com/TouchSlide/
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*
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* Copyright 2013 大话主席
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*
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* 请尊重原创，保留头部版权
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* 在保留版权的前提下可应用于个人或商业用途
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* 1.1 宽度自适应（修复安卓横屏时滑动范围不变的bug）
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*/
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var TouchSlide = function(a){
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a = a||{};
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var opts = {
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slideCell:a.slideCell || "#touchSlide", //运行效果主对象，必须用id！，例如 slideCell:"#touchSlide"
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titCell:a.titCell || ".hd li", // 导航对象，当自动分页设为true时为“导航对象包裹层”
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mainCell:a.mainCell || ".bd", // 切换对象包裹层
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effect:a.effect || "left", // 效果，支持 left、leftLoop
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autoPlay:a.autoPlay || false, // 自动播放
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delayTime:a.delayTime || 200, // 效果持续时间
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interTime:a.interTime ||2500, // 自动运行间隔
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defaultIndex:a.defaultIndex ||0, // 默认的当前位置索引。0是第一个； defaultIndex:1 时，相当于从第2个开始执行
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titOnClassName:a.titOnClassName ||"on", // 当前导航对象添加的className
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autoPage:a.autoPage || false, // 自动分页，当为true时titCell为“导航对象包裹层”
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prevCell:a.prevCell ||".prev", // 前一页按钮
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nextCell:a.nextCell ||".next", // 后一页按钮
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pageStateCell:a.pageStateCell ||".pageState", // 分页状态对象，用于显示分页状态，例如：2/3
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pnLoop:a.pnLoop=='undefined '?true:a.pnLoop , // 前后按钮点击是否继续执行效果，当为最前/后页是会自动添加“prevStop”/“nextStop”控制样色
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startFun:a.startFun || null, // 每次切换效果开始时执行函数，用于处理特殊情况或创建更多效果。用法 satrtFun:function(i,c){ }； 其中i为当前分页，c为总页数
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endFun:a.endFun || null, // 每次切换效果结束时执行函数，用于处理特殊情况或创建更多效果。用法 endFun:function(i,c){ }； 其中i为当前分页，c为总页数
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switchLoad:a.switchLoad || null //每次切换效果结束时执行函数，用于处理特殊情况或创建更多效果。用法 endFun:function(i,c){ }； 其中i为当前分页，c为总页数
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}
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var slideCell = document.getElementById(opts.slideCell.replace("#",""));
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if( !slideCell ) return false;
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//简单模拟jquery选择器
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var obj = function(str,parEle){
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str = str.split(" ");
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var par = [];
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parEle = parEle||document;
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var retn = [ parEle ] ;
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for( var i in str ){ if(str[i].length!=0) par.push(str[i]) } //去掉重复空格
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for( var i in par ){
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if( retn.length==0 ) return false;
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var _retn = [];
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for ( var r in retn )
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{
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if( par[i][0] =="#" ) _retn.push( document.getElementById( par[i].replace("#","") ) );
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else if( par[i][0] =="." ){
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var tag = retn[r].getElementsByTagName('*');
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for( var j=0; j<tag.length; j++ ){
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var cln = tag[j].className;
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if( cln && cln.search(new RegExp("\\b" + par[i].replace(".","") + "\\b"))!=-1 ){ _retn.push( tag[j] ); }
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}
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}
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else { var tag = retn[r].getElementsByTagName( par[i] ); for( var j=0; j<tag.length; j++ ){ _retn.push( tag[j] ) } }
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}
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retn =_retn;
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}
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return retn.length==0 || retn[0] == parEle ? false:retn;
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}// obj E
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// 创建包裹层
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var wrap = function(el, v){
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var tmp = document.createElement('div');
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tmp.innerHTML = v;
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tmp = tmp.children[0];
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var _el = el.cloneNode(true);
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tmp.appendChild(_el);
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el.parentNode.replaceChild(tmp, el);
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conBox = _el; // 重置conBox
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return tmp;
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};
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// 获取样色数值
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var getStyleVal =function(el, attr){ var v=0; if(el.currentStyle){ v= el.currentStyle[attr] } else { v= getComputedStyle(el,false)[attr]; } return parseInt(v.replace("px","")) }
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// class处理
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var addClass =function(ele, className){
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if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1)) return;
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ele.className += (ele.className ? " " : "") + className;
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}
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var removeClass = function(ele, className){
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if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1)) return;
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ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
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}
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//全局对象
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var effect = opts.effect;
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var prevBtn = obj( opts.prevCell,slideCell )[0];
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var nextBtn = obj( opts.nextCell,slideCell )[0];
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var pageState = obj( opts.pageStateCell )[0];
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var conBox = obj( opts.mainCell,slideCell )[0];//内容元素父层对象
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if( !conBox ) return false;
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var conBoxSize= conBox.children.length;
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var navObj = obj( opts.titCell,slideCell );//导航子元素结合
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var navObjSize = navObj?navObj.length:conBoxSize;
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var sLoad=opts.switchLoad;
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/*字符串转换*/
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var index=parseInt(opts.defaultIndex);
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var delayTime=parseInt(opts.delayTime);
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var interTime=parseInt(opts.interTime);
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var autoPlay = (opts.autoPlay=="false"||opts.autoPlay==false)?false:true;
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var autoPage = (opts.autoPage=="false"||opts.autoPage==false)?false:true;
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var loop = (opts.pnLoop=="false"||opts.pnLoop==false)?false:true;
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var oldIndex = index;
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var inter=null;// autoPlay的setInterval
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var timeout = null; // leftLoop的setTimeout
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var endTimeout = null; //translate的setTimeout
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var startX = 0;
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var startY = 0;
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var distX = 0;
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var distY = 0;
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var dist = 0; //手指滑动距离
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var isTouchPad = (/hp-tablet/gi).test(navigator.appVersion);
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var hasTouch = 'ontouchstart' in window && !isTouchPad;
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var touchStart = hasTouch ? 'touchstart' : 'mousedown';
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//var touchMove = hasTouch ? 'touchmove' : 'mousemove';
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var touchMove = hasTouch ? 'touchmove' : '';
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var touchEnd = hasTouch ? 'touchend' : 'mouseup';
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var slideH=0;
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var slideW= conBox.parentNode.clientWidth;// mainCell滑动距离
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var twCell;
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var scrollY ;
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var tempSize = conBoxSize;
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//处理分页
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if( navObjSize==0 )navObjSize=conBoxSize;
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if( autoPage ){
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navObjSize=conBoxSize;
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navObj=navObj[0];
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navObj.innerHTML="";
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var str="";
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if( opts.autoPage==true|| opts.autoPage=="true" ){ for( var i=0; i<navObjSize; i++ ){ str+="<li>"+(i+1)+"</li>" } }
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else{ for( var i=0; i<navObjSize; i++ ){ str+=opts.autoPage.replace("$",(i+1)) } }
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navObj.innerHTML=str;
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navObj = navObj.children;//重置navObj
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}
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if( effect == "leftLoop" ){
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tempSize +=2;
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conBox.appendChild( conBox.children[0].cloneNode(true) );
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conBox.insertBefore( conBox.children[conBoxSize-1].cloneNode(true),conBox.children[0] );
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}
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twCell = wrap(conBox,'<div class="tempWrap" style="overflow:hidden; position:relative;"></div>');
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conBox.style.cssText="width:"+tempSize*slideW+"px;"+"position:relative;overflow:hidden;padding:0;margin:0;";
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for ( var i =0; i<tempSize; i++ ){ conBox.children[i].style.cssText="display:table-cell;vertical-align:top;width:"+slideW+"px" }
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var doStartFun=function(){ if ( typeof opts.startFun =='function' ){ opts.startFun( index,navObjSize ) } }
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var doEndFun=function(){ if ( typeof opts.endFun =='function' ){ opts.endFun( index,navObjSize ) } }
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var doSwitchLoad=function( moving ){
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var curIndex = ( effect=="leftLoop"?index+1:index ) + moving;
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var changeImg = function( ind ){
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var img = conBox.children[ind].getElementsByTagName("img");
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for ( var i=0; i<img.length ; i++ )
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{
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if ( img[i].getAttribute(sLoad) ){
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img[i].setAttribute("src", img[i].getAttribute(sLoad) );
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img[i].removeAttribute( sLoad );
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}
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}
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}// changeImg E
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changeImg( curIndex );
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if( effect=="leftLoop" ){
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switch ( curIndex )
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{
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case 0: changeImg( conBoxSize );break;
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case 1: changeImg( conBoxSize+1 );break;
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case conBoxSize: changeImg( 0 );break;
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case conBoxSize+1: changeImg( 1 );break;
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}
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}
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}// doSwitchLoad E
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//动态设置滑动宽度
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var orientationChange = function(){
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slideW = twCell.clientWidth;
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conBox.style.width = tempSize*slideW +"px";
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for ( var i =0; i<tempSize; i++ ){ conBox.children[i].style.width=slideW+"px"; }
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var ind = effect == "leftLoop"? index+1:index;
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translate( -ind*slideW ,0 );
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}
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window.addEventListener("resize", orientationChange, false);
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//滑动效果
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var translate = function( dist, speed, ele ) {
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if( !!ele ){ ele=ele.style; }else{ ele=conBox.style; }
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ele.webkitTransitionDuration = ele.MozTransitionDuration = ele.msTransitionDuration = ele.OTransitionDuration = ele.transitionDuration = speed + 'ms';
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ele.webkitTransform = 'translate(' + dist + 'px,0)' + 'translateZ(0)';
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ele.msTransform = ele.MozTransform = ele.OTransform = 'translateX(' + dist + 'px)';
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}
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//效果函数
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var doPlay=function(isTouch){
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switch (effect)
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{
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case "left":
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if ( index >= navObjSize) { index = isTouch?index-1:0; } else if( index < 0) { index = isTouch?0:navObjSize-1; }
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if( sLoad!=null ){ doSwitchLoad(0) }
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translate( (-index*slideW),delayTime ); oldIndex=index; break;
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case "leftLoop":
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if( sLoad!=null ){ doSwitchLoad(0) }
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translate( -(index+1)*slideW ,delayTime );
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if ( index==-1){
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timeout= setTimeout( function(){ translate( -navObjSize*slideW ,0 ); }, delayTime );
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index = navObjSize-1;
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}
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else if( index==navObjSize ){ timeout= setTimeout( function(){ translate( -slideW ,0 ); }, delayTime );
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index = 0;
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}
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oldIndex=index;
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break;// leftLoop end
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}//switch end
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doStartFun();
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endTimeout= setTimeout( function(){ doEndFun() }, delayTime );
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//设置className
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for ( var i=0; i<navObjSize; i++ )
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{
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removeClass(navObj[i],opts.titOnClassName);
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if( i == index ){ addClass(navObj[i],opts.titOnClassName) }
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}
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if( loop==false ){ //loop控制是否继续循环
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removeClass( nextBtn,"nextStop" );removeClass( prevBtn,"prevStop" );
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if (index==0 ){ addClass( prevBtn,"prevStop" ) }
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else if (index==navObjSize-1 ){ addClass( nextBtn,"nextStop" ) }
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}
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if(pageState){ pageState.innerHTML= "<span>"+(index+1)+"</span>/"+navObjSize; }
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};// doPlay end
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//初始化执行
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doPlay();
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//自动播放
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if (autoPlay) {
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inter=setInterval(function(){ index++; doPlay() }, interTime);
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}
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//点击事件
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if( navObj ){
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for ( var i=0; i<navObjSize; i++ )
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{
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(function(){
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var j = i;
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navObj[j].addEventListener('click', function(e){ clearTimeout( timeout ); clearTimeout( endTimeout ); index=j; doPlay(); })
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})()
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}
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}
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if(nextBtn){ nextBtn.addEventListener('click', function(e){ if ( loop==true || index!=navObjSize-1 ){ clearTimeout( timeout ); clearTimeout( endTimeout ); index++; doPlay(); } }) }
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if(prevBtn){ prevBtn.addEventListener('click', function(e){ if ( loop==true || index!=0 ){ clearTimeout( timeout ); clearTimeout( endTimeout ); index--; doPlay(); } }) }
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//触摸开始函数
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var tStart = function(e){
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clearTimeout( timeout );clearTimeout( endTimeout );
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scrollY = undefined;
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distX = 0;
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var point = hasTouch ? e.touches[0] : e;
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startX = point.pageX;
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startY = point.pageY;
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//添加“触摸移动”事件监听
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conBox. addEventListener(touchMove, tMove,false);
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//添加“触摸结束”事件监听
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conBox.addEventListener(touchEnd, tEnd ,false);
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}
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//触摸移动函数
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var tMove = function(e){
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if( hasTouch ){ if ( e.touches.length > 1 || e.scale && e.scale !== 1) return }; //多点或缩放
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var point = hasTouch ? e.touches[0] : e;
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distX = point.pageX-startX;
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distY = point.pageY-startY;
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if ( typeof scrollY == 'undefined') { scrollY = !!( scrollY || Math.abs(distX) < Math.abs(distY) ); }
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if( !scrollY ){
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e.preventDefault(); if(autoPlay){clearInterval(inter) }
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switch (effect){
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case "left":
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if( (index==0 && distX>0) || (index>=navObjSize-1&&distX<0 )){ distX=distX*0.4 }
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translate( -index*slideW+distX ,0 );
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break;
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case "leftLoop":translate( -(index+1)*slideW+distX ,0 );break;
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}
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if( sLoad!=null && Math.abs(distX)>slideW/3 ){
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doSwitchLoad( distX>-0?-1:1 )
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}
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}
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}
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//触摸结束函数
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var tEnd = function(e){
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if(distX==0) return;
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e.preventDefault();
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if( !scrollY )
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{
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if( Math.abs(distX) > slideW/10 ){ distX>0? index--: index++; }
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doPlay( true );
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if (autoPlay) {
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inter=setInterval(function(){ index++; doPlay() }, interTime);
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}
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}
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conBox.removeEventListener(touchMove, tMove, false);
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conBox.removeEventListener(touchEnd, tEnd, false);
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}
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//添加“触摸开始”事件监听
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conBox.addEventListener(touchStart, tStart ,false);
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}// TouchSlide E
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