swipe.min.js

(function(e,t){if(typeof module!=="undefined"&&module.exports){module.exports=t()}else{e.Swipe=t()}})(this,function(){"use strict";return function Swipe(n,s){var t=function(){};var r=function(e){setTimeout(e||t,0)};var o={addEventListener:!!window.addEventListener,touch:"ontouchstart"in window||window.DocumentTouch&&document instanceof window.DocumentTouch,transitions:function(e){var t=["transitionProperty","WebkitTransition","MozTransition","OTransition","msTransition"];for(var n in t)if(e.style[t[n]]!==undefined)return true;return false}(document.createElement("swipe"))};if(!n)return;var f=n.children[0];var l,u,d,i;s=s||{};var c=parseInt(s.startSlide,10)||0;var v=s.speed||300;var a=parseInt(s.widthOfSiblingSlidePreview,10)||0;var h=s.continuous=s.continuous!==undefined?s.continuous:true;function w(){l=f.children;i=l.length;h=l.length<2?false:s.continuous;u=new Array(l.length);d=Math.round(n.getBoundingClientRect().width||n.offsetWidth)-a*2;f.style.width=l.length*d+"px";var e=l.length;while(e--){var t=l[e];t.style.width=d+"px";t.setAttribute("data-index",e);if(o.transitions){t.style.left=e*-d+a+"px";x(e,c>e?-d:c<e?d:0,0)}}if(h&&o.transitions){x(E(c-1),-d,0);x(E(c+1),d,0)}if(!o.transitions)f.style.left=c*-d+a+"px";n.style.visibility="visible"}function e(){if(h)p(c-1);else if(c)p(c-1)}function m(){if(h)p(c+1);else if(c<l.length-1)p(c+1)}function E(e){return(l.length+e%l.length)%l.length}function p(e,t){if(c==e)return;if(o.transitions){var n=Math.abs(c-e)/(c-e);if(h){var i=n;n=-u[E(e)]/d;if(n!==i)e=-n*l.length+e}var a=Math.abs(c-e)-1;while(a--)x(E((e>c?e:c)-a-1),d*n,0);e=E(e);x(c,d*n,t||v);x(e,0,t||v);if(h)x(E(e-n),-(d*n),0)}else{e=E(e);b(c*-d,e*-d,t||v)}c=e;r(s.callback&&s.callback(c,l[c]))}function x(e,t,n){g(e,t,n);u[e]=t}function g(e,t,n){var i=l[e];var a=i&&i.style;if(!a)return;a.webkitTransitionDuration=a.MozTransitionDuration=a.msTransitionDuration=a.OTransitionDuration=a.transitionDuration=n+"ms";a.webkitTransform="translate("+t+"px,0)"+"translateZ(0)";a.msTransform=a.MozTransform=a.OTransform="translateX("+t+"px)"}function b(t,n,i){if(!i){f.style.left=n+"px";return}var a=+new Date;var r=setInterval(function(){var e=+new Date-a;if(e>i){f.style.left=n+"px";if(T)L();s.transitionEnd&&s.transitionEnd.call(event,c,l[c]);clearInterval(r);return}f.style.left=(n-t)*(Math.floor(e/i*100)/100)+t+"px"},4)}var T=s.auto||0;var y;function L(){clearTimeout(y);y=setTimeout(m,T)}function k(){T=s.auto||0;clearTimeout(y)}var D={};var M={};var z;var S=true;var I={handleEvent:function(e){switch(e.type){case"touchstart":this.start(e);break;case"touchmove":this.move(e);break;case"touchend":r(this.end(e));break;case"webkitTransitionEnd":case"msTransitionEnd":case"oTransitionEnd":case"otransitionend":case"transitionend":r(this.transitionEnd(e));break;case"resize":r(w);break}if(s.stopPropagation)e.stopPropagation()},start:function(e){if(!S){return}var t=e.touches[0];D={x:t.pageX,y:t.pageY,time:+new Date};z=undefined;M={};f.addEventListener("touchmove",this,false);f.addEventListener("touchend",this,false)},move:function(e){if(!S){return}if(e.touches.length>1||e.scale&&e.scale!==1)return;if(s.disableScroll)return;var t=e.touches[0];M={x:t.pageX-D.x,y:t.pageY-D.y};if(typeof z=="undefined"){z=!!(z||Math.abs(M.x)<Math.abs(M.y))}if(!z){e.preventDefault();k();if(h){g(E(c-1),M.x+u[E(c-1)],0);g(c,M.x+u[c],0);g(E(c+1),M.x+u[E(c+1)],0)}else{M.x=M.x/(!c&&M.x>0||c==l.length-1&&M.x<0?Math.abs(M.x)/d+1:1);g(c-1,M.x+u[c-1],0);g(c,M.x+u[c],0);g(c+1,M.x+u[c+1],0)}s.swiping&&s.swiping(-M.x/d)}},end:function(e){var t=+new Date-D.time;var n=Number(t)<250&&Math.abs(M.x)>20||Math.abs(M.x)>d/2;var i=!c&&M.x>0||c==l.length-1&&M.x<0;if(h)i=false;var a=M.x<0;if(!z){if(n&&!i){if(a){if(h){x(E(c-1),-d,0);x(E(c+2),d,0)}else{x(c-1,-d,0)}x(c,u[c]-d,v);x(E(c+1),u[E(c+1)]-d,v);c=E(c+1)}else{if(h){x(E(c+1),d,0);x(E(c-2),-d,0)}else{x(c+1,d,0)}x(c,u[c]+d,v);x(E(c-1),u[E(c-1)]+d,v);c=E(c-1)}s.callback&&s.callback(c,l[c])}else{if(h){x(E(c-1),-d,v);x(c,0,v);x(E(c+1),d,v)}else{x(c-1,-d,v);x(c,0,v);x(c+1,d,v)}}}f.removeEventListener("touchmove",I,false);f.removeEventListener("touchend",I,false);f.removeEventListener("touchforcechange",function(){},false)},transitionEnd:function(e){if(parseInt(e.target.getAttribute("data-index"),10)==c){if(T)L();s.transitionEnd&&s.transitionEnd.call(e,c,l[c])}}};w();if(T)L();if(o.addEventListener){if(o.touch){f.addEventListener("touchstart",I,false);f.addEventListener("touchforcechange",function(){},false)}if(o.transitions){f.addEventListener("webkitTransitionEnd",I,false);f.addEventListener("msTransitionEnd",I,false);f.addEventListener("oTransitionEnd",I,false);f.addEventListener("otransitionend",I,false);f.addEventListener("transitionend",I,false)}window.addEventListener("resize",I,false)}else{window.onresize=function(){w()}}return{setup:function(){w()},slide:function(e,t){k();p(e,t)},prev:function(){k();e()},next:function(){k();m()},stop:function(){k()},disableSwiping:function(){S=false},enableSwiping:function(){S=true},getPos:function(){return c},getNumSlides:function(){return i},kill:function(){k();f.style.width="";f.style.left="";var e=l.length;while(e--){var t=l[e];t.style.width="";t.style.left="";if(o.transitions)g(e,0,0)}if(o.addEventListener){f.removeEventListener("touchstart",I,false);f.removeEventListener("webkitTransitionEnd",I,false);f.removeEventListener("msTransitionEnd",I,false);f.removeEventListener("oTransitionEnd",I,false);f.removeEventListener("otransitionend",I,false);f.removeEventListener("transitionend",I,false);window.removeEventListener("resize",I,false)}else{window.onresize=null}}}}});