@xysfe/actui/lib/CascadePicker/index.js

A fantastic mobile ui lib implement by Vue

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1, 0.32, 1)",fn:function(t){return 1+--t*t*t*t*t}},swipeBounce:{style:"cubic-bezier(0.25, 0.46, 0.45, 0.94)",fn:function(t){return t*(2-t)}},bounce:{style:"cubic-bezier(0.165, 0.84, 0.44, 1)",fn:function(t){return 1- --t*t*t*t}}},V=function(){return X?window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||function(t){return window.setTimeout(t,(t.interval||100/60)/2)}:w}(),q=function(){return X?window.cancelAnimationFrame||window.webkitCancelAnimationFrame||window.mozCancelAnimationFrame||window.oCancelAnimationFrame||function(t){window.clearTimeout(t)}:w}(),K=1,G=-1,J=1,Z=-1,Q=1,tt=3;P.prototype.handleEvent=function(t){switch(t.type){case"touchstart":case"mousedown":this._start(t);break;case"touchmove":case"mousemove":this._move(t);break;case"touchend":case"mouseup":case"touchcancel":case"mousecancel":this._end(t)}},P.prototype.refresh=function(){this._shouldShow()&&(this.transitionTime(),this._calculate(),this.updatePosition())},P.prototype.fade=function(t,e){var i=this;if(!e||this.visible){var n=t?250:500;t=t?"1":"0",this.wrapperStyle[R.transitionDuration]=n+"ms",clearTimeout(this.fadeTimeout),this.fadeTimeout=setTimeout(function(){i.wrapperStyle.opacity=t,i.visible=+t},0)}},P.prototype.updatePosition=function(){if("vertical"===this.direction){var t=Math.round(this.sizeRatioY*this.scroller.y);if(t<0){this.transitionTime(500);var e=Math.max(this.indicatorHeight+3*t,8);this.indicatorStyle.height=e+"px",t=0}else if(t>this.maxPosY){this.transitionTime(500);var i=Math.max(this.indicatorHeight-3*(t-this.maxPosY),8);this.indicatorStyle.height=i+"px",t=this.maxPosY+this.indicatorHeight-i}else this.indicatorStyle.height=this.indicatorHeight+"px";this.y=t,this.scroller.options.useTransform?this.indicatorStyle[R.transform]="translateY("+t+"px)"+this.scroller.translateZ:this.indicatorStyle.top=t+"px"}else{var n=Math.round(this.sizeRatioX*this.scroller.x);if(n<0){this.transitionTime(500);var o=Math.max(this.indicatorWidth+3*n,8);this.indicatorStyle.width=o+"px",n=0}else if(n>this.maxPosX){this.transitionTime(500);var s=Math.max(this.indicatorWidth-3*(n-this.maxPosX),8);this.indicatorStyle.width=s+"px",n=this.maxPosX+this.indicatorWidth-s}else this.indicatorStyle.width=this.indicatorWidth+"px";this.x=n,this.scroller.options.useTransform?this.indicatorStyle[R.transform]="translateX("+n+"px)"+this.scroller.translateZ:this.indicatorStyle.left=n+"px"}},P.prototype.transitionTime=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;this.indicatorStyle[R.transitionDuration]=t+"ms"},P.prototype.transitionTimingFunction=function(t){this.indicatorStyle[R.transitionTimingFunction]=t},P.prototype.destroy=function(){this._removeDOMEvents(),this.wrapper.parentNode.removeChild(this.wrapper)},P.prototype._start=function(t){var e=t.touches?t.touches[0]:t;t.preventDefault(),t.stopPropagation(),this.transitionTime(),this.initiated=!0,this.moved=!1,this.lastPointX=e.pageX,this.lastPointY=e.pageY,this.startTime=n(),this._handleMoveEvents(h),this.scroller.trigger("beforeScrollStart")},P.prototype._move=function(t){var e=t.touches?t.touches[0]:t;t.preventDefault(),t.stopPropagation(),this.moved||this.scroller.trigger("scrollStart"),this.moved=!0;var i=e.pageX-this.lastPointX;this.lastPointX=e.pageX;var n=e.pageY-this.lastPointY;this.lastPointY=e.pageY;var o=this.x+i,s=this.y+n;this._pos(o,s)},P.prototype._end=function(t){if(this.initiated){this.initiated=!1,t.preventDefault(),t.stopPropagation(),this._handleMoveEvents(c);var e=this.scroller.options.snap;if(e){var i=e.speed,n=e.easing,o=void 0===n?U.bounce:n,s=this.scroller._nearestSnap(this.scroller.x,this.scroller.y),r=i||Math.max(Math.max(Math.min(Math.abs(this.scroller.x-s.x),1e3),Math.min(Math.abs(this.scroller.y-s.y),1e3)),300);this.scroller.x===s.x&&this.scroller.y===s.y||(this.scroller.directionX=0,this.scroller.directionY=0,this.scroller.currentPage=s,this.scroller.scrollTo(s.x,s.y,r,o))}this.moved&&this.scroller.trigger("scrollEnd",{x:this.scroller.x,y:this.scroller.y})}},P.prototype._pos=function(t,e){t<0?t=0:t>this.maxPosX&&(t=this.maxPosX),e<0?e=0:e>this.maxPosY&&(e=this.maxPosY),t=Math.round(t/this.sizeRatioX),e=Math.round(e/this.sizeRatioY),this.scroller.scrollTo(t,e),this.scroller.trigger("scroll",{x:this.scroller.x,y:this.scroller.y})},P.prototype._shouldShow=function(){return"vertical"===this.direction&&this.scroller.hasVerticalScroll||"horizontal"===this.direction&&this.scroller.hasHorizontalScroll?(this.wrapper.style.display="",!0):(this.wrapper.style.display="none",!1)},P.prototype._calculate=function(){if("vertical"===this.direction){var t=this.wrapper.clientHeight;this.indicatorHeight=Math.max(Math.round(t*t/(this.scroller.scrollerHeight||t||1)),8),this.indicatorStyle.height=this.indicatorHeight+"px",this.maxPosY=t-this.indicatorHeight,this.sizeRatioY=this.maxPosY/this.scroller.maxScrollY}else{var e=this.wrapper.clientWidth;this.indicatorWidth=Math.max(Math.round(e*e/(this.scroller.scrollerWidth||e||1)),8),this.indicatorStyle.width=this.indicatorWidth+"px",this.maxPosX=e-this.indicatorWidth,this.sizeRatioX=this.maxPosX/this.scroller.maxScrollX}},P.prototype._addDOMEvents=function(){var t=h;this._handleDOMEvents(t)},P.prototype._removeDOMEvents=function(){var t=c;this._handleDOMEvents(t),this._handleMoveEvents(t)},P.prototype._handleMoveEvents=function(t){this.scroller.options.disableTouch||t(window,"touchmove",this),this.scroller.options.disableMouse||t(window,"mousemove",this)},P.prototype._handleDOMEvents=function(t){this.scroller.options.disableTouch||(t(this.indicator,"touchstart",this),t(window,"touchend",this)),this.scroller.options.disableMouse||(t(this.indicator,"mousedown",this),t(window,"mouseup",this))};var et=2e3;k.prototype.onScroll=function(){var t=-this.scroller.y,e=t-this.anchorScrollTop;this.anchorItem=0===t?{index:0,offset:0}:this._calculateAnchoredItem(this.anchorItem,e),this.anchorScrollTop=t;var i=this._calculateAnchoredItem(this.anchorItem,this.wrapperEl.offsetHeight),n=this.anchorItem.index,o=i.index;e<0?(n-=30,o+=10):(n-=10,o+=30),this.fill(n,o),this.maybeRequestContent()},k.prototype.onResize=function(){var t=this.options.createTombstone();t.style.position="absolute",this.scrollerEl.appendChild(t),t.style.display="",this.tombstoneHeight=t.offsetHeight,this.tombstoneWidth=t.offsetWidth,this.scrollerEl.removeChild(t);for(var e=0;e<this.items.length;e++)this.items[e].height=this.items[e].width=0;this.onScroll()},k.prototype.fill=function(t,e){this.firstAttachedItem=Math.max(0,t),this.hasMore||(e=Math.min(e,this.items.length)),this.lastAttachedItem=e,this.attachContent()},k.prototype.maybeRequestContent=function(){var t=this;if(!this.requestInProgress&&this.hasMore){var e=this.lastAttachedItem-this.loadedItems;e<=0||(this.requestInProgress=!0,this.options.fetch(e).then(function(e){if(t.requestInProgress=!1,e)t.addContent(e);else{t.hasMore=!1;var i=t._removeTombstones(),n=0;t.anchorItem.index<=t.items.length?(n=t._fixScrollPosition(),t._setupAnimations({},n),t.scroller.resetPosition(t.scroller.options.bounceTime)):(t.anchorItem.index-=i,n=t._fixScrollPosition(),t._setupAnimations({},n),t.scroller.stop(),t.scroller.resetPosition(),t.onScroll())}}))}},k.prototype.addContent=function(t){for(var e=0;e<t.length;e++)this.items.length<=this.loadedItems&&this._addItem(),this.items[this.loadedItems++].data=t[e];this.attachContent(),this.maybeRequestContent()},k.prototype.attachContent=function(){var t=this._collectUnusedNodes(),e=this._createDOMNodes(t);this._cleanupUnusedNodes(t),this._cacheNodeSize();var i=this._fixScrollPosition();this._setupAnimations(e,i)},k.prototype.resetMore=function(){this.hasMore=!0},k.prototype._removeTombstones=function(){for(var t=void 0,e=0,i=this.items.length,n=0;n<i;n++){var o=this.items[n].node,s=this.items[n].data;o&&!M(o)||s||(t||(t=n),o&&this.scrollerEl.removeChild(o))}return e=i-t,this.items.splice(t),this.lastAttachedItem=Math.min(this.lastAttachedItem,this.items.length),e},k.prototype._collectUnusedNodes=function(){for(var t=[],e=0;e<this.items.length;e++)if(e!==this.firstAttachedItem){var i=this.items[e].node;i&&(M(i)?(this.tombstones.push(i),this.tombstones[this.tombstones.length-1].style.display="none"):t.push(i)),this.items[e].node=null}else e=this.lastAttachedItem-1;return t},k.prototype._createDOMNodes=function(t){for(var e={},i=this.firstAttachedItem;i<this.lastAttachedItem;i++){for(;this.items.length<=i;)this._addItem();var n=this.items[i].node,o=this.items[i].data;if(n){if(!M(n)||!o)continue;n.style.zIndex=1,e[i]=[n,this.items[i].top-this.anchorScrollTop],this.items[i].node=null}var s=o?this.options.render(o,t.pop()):this._getTombStone();s.style.position="absolute",this.items[i].top=-1,this.scrollerEl.appendChild(s),this.items[i].node=s}return e},k.prototype._cleanupUnusedNodes=function(t){for(;t.length;)this.scrollerEl.removeChild(t.pop())},k.prototype._cacheNodeSize=function(){for(var t=this.firstAttachedItem;t<this.lastAttachedItem;t++)this.items[t].data&&!this.items[t].height&&(this.items[t].height=this.items[t].node.offsetHeight,this.items[t].width=this.items[t].node.offsetWidth)},k.prototype._fixScrollPosition=function(){this.anchorScrollTop=0;for(var t=0;t<this.anchorItem.index;t++)this.anchorScrollTop+=this.items[t].height||this.tombstoneHeight;this.anchorScrollTop+=this.anchorItem.offset;for(var e=this.anchorScrollTop-this.anchorItem.offset,i=this.anchorItem.index;i>this.firstAttachedItem;)e-=this.items[i-1].height||this.tombstoneHeight,i--;return e},k.prototype._setupAnimations=function(t,e){var i=this;for(var n in t){var o=t[n];this.items[n].node.style.transform="translateY("+(this.anchorScrollTop+o[1])+"px) scale("+this.tombstoneWidth/this.items[n].width+", "+this.tombstoneHeight/this.items[n].height+")",this.items[n].node.offsetTop,o[0].offsetTop,this.items[n].node.style.transition="transform 200ms"}for(var s=this.firstAttachedItem;s<this.lastAttachedItem;s++){var r=t[s];if(r){var a=r[0];a.style.transition="transform 200ms, opacity 200ms",a.style.transform="translateY("+e+"px) scale("+this.items[s].width/this.tombstoneWidth+", "+this.items[s].height/this.tombstoneHeight+")",a.style.opacity=0}e!==this.items[s].top&&(r||(this.items[s].node.style.transition=""),this.items[s].node.style.transform="translateY("+e+"px)"),this.items[s].top=e,e+=this.items[s].height||this.tombstoneHeight}this.scroller.maxScrollY=-(e-this.wrapperEl.offsetHeight+(this.hasMore?et:0)),setTimeout(function(){for(var e in t){var n=t[e];n[0].style.display="none",i.tombstones.push(n[0])}},200)},k.prototype._getTombStone=function(){var t=this.tombstones.pop();return t?(t.style.display="",t.style.opacity=1,t.style.transform="",t.style.transition="",t):this.options.createTombstone()},k.prototype._addItem=function(){this.items.push({data:null,node:null,height:0,width:0,top:0})},k.prototype._calculateAnchoredItem=function(t,e){if(0===e)return t;var i=t.index,n=0;if((e+=t.offset)<0){for(;e<0&&i>0&&this.items[i-1].height;)e+=this.items[i-1].height,i--;n=Math.max(-i,Math.ceil(Math.min(e,0)/this.tombstoneHeight))}else{for(;e>0&&i<this.items.length&&this.items[i].height&&this.items[i].height<e;)e-=this.items[i].height,i++;(i>=this.items.length||!this.items[i].height)&&(n=Math.floor(Math.max(e,0)/this.tombstoneHeight))}return i+=n,e-=n*this.tombstoneHeight,{index:i,offset:e}},function(t){t.prototype._init=function(t,e){this._handleOptions(e),this._events={},this.x=0,this.y=0,this.directionX=0,this.directionY=0,this.setScale(1),this._addDOMEvents(),this._initExtFeatures(),this._watchTransition(),this.options.observeDOM&&this._initDOMObserver(),this.options.autoBlur&&this._handleAutoBlur(),this.refresh(),this.options.snap||this.scrollTo(this.options.startX,this.options.startY),this.enable()},t.prototype.setScale=function(t){this.lastScale=s(this.scale)?t:this.scale,this.scale=t},t.prototype._handleOptions=function(t){this.options=o({},B,t),this.translateZ=this.options.HWCompositing&&W?" translateZ(0)":"",this.options.useTransition=this.options.useTransition&&N,this.options.useTransform=this.options.useTransform&&H,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollX="horizontal"!==this.options.eventPassthrough&&this.options.scrollX,this.options.scrollY="vertical"!==this.options.eventPassthrough&&this.options.scrollY,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,!0===this.options.tap&&(this.options.tap="tap")},t.prototype._addDOMEvents=function(){var t=h;this._handleDOMEvents(t)},t.prototype._removeDOMEvents=function(){var t=c;this._handleDOMEvents(t)},t.prototype._handleDOMEvents=function(t){var e=this.options.bindToWrapper?this.wrapper:window;t(window,"orientationchange",this),t(window,"resize",this),this.options.click&&t(this.wrapper,"click",this,!0),this.options.disableMouse||(t(this.wrapper,"mousedown",this),t(e,"mousemove",this),t(e,"mousecancel",this),t(e,"mouseup",this)),z&&!this.options.disableTouch&&(t(this.wrapper,"touchstart",this),t(e,"touchmove",this),t(e,"touchcancel",this),t(e,"touchend",this)),t(this.scroller,R.transitionEnd,this)},t.prototype._initExtFeatures=function(){this.options.snap&&this._initSnap(),this.options.scrollbar&&this._initScrollbar(),this.options.pullUpLoad&&this._initPullUp(),this.options.pullDownRefresh&&this._initPullDown(),this.options.wheel&&this._initWheel(),this.options.mouseWheel&&this._initMouseWheel(),this.options.zoom&&this._initZoom(),this.options.infinity&&this._initInfinite()},t.prototype._watchTransition=function(){if("function"==typeof Object.defineProperty){var t=this,e=!1,i=this.useTransition?"isInTransition":"isAnimating";Object.defineProperty(this,i,{get:function(){return e},set:function(i){e=i;for(var n=t.scroller.children.length?t.scroller.children:[t.scroller],o=e&&!t.pulling?"none":"auto",s=0;s<n.length;s++)n[s].style.pointerEvents=o}})}},t.prototype._handleAutoBlur=function(){this.on("scrollStart",function(){var t=document.activeElement;!t||"INPUT"!==t.tagName&&"TEXTAREA"!==t.tagName||t.blur()})},t.prototype._initDOMObserver=function(){var t=this;if("undefined"!=typeof MutationObserver){var e=void 0,i=new MutationObserver(function(i){if(!t._shouldNotRefresh()){for(var n=!1,o=!1,s=0;s<i.length;s++){var r=i[s];if("attributes"!==r.type){n=!0;break}if(r.target!==t.scroller){o=!0;break}}n?t.refresh():o&&(clearTimeout(e),e=setTimeout(function(){t._shouldNotRefresh()||t.refresh()},60))}}),n={attributes:!0,childList:!0,subtree:!0};i.observe(this.scroller,n),this.on("destroy",function(){i.disconnect()})}else this._checkDOMUpdate()},t.prototype._shouldNotRefresh=function(){var t=this.x>this.minScrollX||this.x<this.maxScrollX||this.y>this.minScrollY||this.y<this.maxScrollY;return this.isInTransition||this.stopFromTransition||t},t.prototype._checkDOMUpdate=function(){function t(){if(!this.destroyed){i=p(this.scroller);var t=i.width,s=i.height;n===t&&o===s||this.refresh(),n=t,o=s,e.call(this)}}function e(){var e=this;setTimeout(function(){t.call(e)},1e3)}var i=p(this.scroller),n=i.width,o=i.height;e.call(this)},t.prototype.handleEvent=function(t){switch(t.type){case"touchstart":case"mousedown":this._start(t),this.options.zoom&&t.touches&&t.touches.length>1&&this._zoomStart(t);break;case"touchmove":case"mousemove":this.options.zoom&&t.touches&&t.touches.length>1?this._zoom(t):this._move(t);break;case"touchend":case"mouseup":case"touchcancel":case"mousecancel":this.scaled?this._zoomEnd(t):this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"click":this.enabled&&!t._constructed&&(f(t.target,this.options.preventDefaultException)||(t.preventDefault(),t.stopPropagation()));break;case"wheel":case"DOMMouseScroll":case"mousewheel":this._onMouseWheel(t)}},t.prototype.refresh=function(){var t="static"===window.getComputedStyle(this.wrapper,null).position,e=p(this.wrapper);this.wrapperWidth=e.width,this.wrapperHeight=e.height;var i=p(this.scroller);this.scrollerWidth=Math.round(i.width*this.scale),this.scrollerHeight=Math.round(i.height*this.scale),this.relativeX=i.left,this.relativeY=i.top,t&&(this.relativeX-=e.left,this.relativeY-=e.top),this.minScrollX=0,this.minScrollY=0;var n=this.options.wheel;n?(this.items=this.scroller.children,this.options.itemHeight=this.itemHeight=this.items.length?this.scrollerHeight/this.items.length:0,void 0===this.selectedIndex&&(this.selectedIndex=n.selectedIndex||0),this.options.startY=-this.selectedIndex*this.itemHeight,this.maxScrollX=0,this.maxScrollY=-this.itemHeight*(this.items.length-1)):(this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.options.infinity||(this.maxScrollY=this.wrapperHeight-this.scrollerHeight),this.maxScrollX<0?(this.maxScrollX-=this.relativeX,this.minScrollX=-this.relativeX):this.scale>1&&(this.maxScrollX=this.maxScrollX/2-this.relativeX,this.minScrollX=this.maxScrollX),this.maxScrollY<0?(this.maxScrollY-=this.relativeY,this.minScrollY=-this.relativeY):this.scale>1&&(this.maxScrollY=this.maxScrollY/2-this.relativeY,this.minScrollY=this.maxScrollY)),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<this.minScrollX,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<this.minScrollY,this.hasHorizontalScroll||(this.maxScrollX=this.minScrollX,this.scrollerWidth=this.wrapperWidth),this.hasVerticalScroll||(this.maxScrollY=this.minScrollY,this.scrollerHeight=this.wrapperHeight),this.endTime=0,this.directionX=0,this.directionY=0,this.wrapperOffset=l(this.wrapper),this.trigger("refresh"),!this.scaled&&this.resetPosition()},t.prototype.enable=function(){this.enabled=!0},t.prototype.disable=function(){this.enabled=!1}}(E),function(t){t.prototype._start=function(t){var e=$[t.type];if((e===F||0===t.button)&&!(!this.enabled||this.destroyed||this.initiated&&this.initiated!==e)){this.initiated=e,this.options.preventDefault&&!f(t.target,this.options.preventDefaultException)&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.movingDirectionX=0,this.movingDirectionY=0,this.directionLocked=0,this._transitionTime(),this.startTime=n(),this.options.wheel&&(this.target=t.target),this.stop();var i=t.touches?t.touches[0]:t;this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=i.pageX,this.pointY=i.pageY,this.trigger("beforeScrollStart")}},t.prototype._move=function(t){if(this.enabled&&!this.destroyed&&$[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation();var e=t.touches?t.touches[0]:t,i=e.pageX-this.pointX,o=e.pageY-this.pointY;this.pointX=e.pageX,this.pointY=e.pageY,this.distX+=i,this.distY+=o;var s=Math.abs(this.distX),r=Math.abs(this.distY),a=n();if(!(a-this.endTime>this.options.momentumLimitTime&&r<this.options.momentumLimitDistance&&s<this.options.momentumLimitDistance)){if(this.directionLocked||this.options.freeScroll||(s>r+this.options.directionLockThreshold?this.directionLocked="h":r>=s+this.options.directionLockThreshold?this.directionLocked="v":this.directionLocked="n"),"h"===this.directionLocked){if("vertical"===this.options.eventPassthrough)t.preventDefault();else if("horizontal"===this.options.eventPassthrough)return void(this.initiated=!1);o=0}else if("v"===this.directionLocked){if("horizontal"===this.options.eventPassthrough)t.preventDefault();else if("vertical"===this.options.eventPassthrough)return void(this.initiated=!1);i=0}i=this.hasHorizontalScroll?i:0,o=this.hasVerticalScroll?o:0,this.movingDirectionX=i>0?Z:i<0?J:0,this.movingDirectionY=o>0?G:o<0?K:0;var h=this.x+i,c=this.y+o,l=!1,u=!1,p=!1,f=!1,d=this.options.bounce;!1!==d&&(l=void 0===d.top||d.top,u=void 0===d.bottom||d.bottom,p=void 0===d.left||d.left,f=void 0===d.right||d.right),(h>this.minScrollX||h<this.maxScrollX)&&(h=h>this.minScrollX&&p||h<this.maxScrollX&&f?this.x+i/3:h>this.minScrollX?this.minScrollX:this.maxScrollX),(c>this.minScrollY||c<this.maxScrollY)&&(c=c>this.minScrollY&&l||c<this.maxScrollY&&u?this.y+o/3:c>this.minScrollY?this.minScrollY:this.maxScrollY),this.moved||(this.moved=!0,this.trigger("scrollStart")),this._translate(h,c),a-this.startTime>this.options.momentumLimitTime&&(this.startTime=a,this.startX=this.x,this.startY=this.y,this.options.probeType===Q&&this.trigger("scroll",{x:this.x,y:this.y})),this.options.probeType>Q&&this.trigger("scroll",{x:this.x,y:this.y});var m=document.documentElement.scrollLeft||window.pageXOffset||document.body.scrollLeft,v=document.documentElement.scrollTop||window.pageYOffset||document.body.scrollTop,g=this.pointX-m,y=this.pointY-v;(g>document.documentElement.clientWidth-this.options.momentumLimitDistance||g<this.options.momentumLimitDistance||y<this.options.momentumLimitDistance||y>document.documentElement.clientHeight-this.options.momentumLimitDistance)&&this._end(t)}}},t.prototype._end=function(t){if(this.enabled&&!this.destroyed&&$[t.type]===this.initiated){this.initiated=!1,this.options.preventDefault&&!f(t.target,this.options.preventDefaultException)&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.trigger("touchEnd",{x:this.x,y:this.y}),this.isInTransition=!1;var e=Math.round(this.x),i=Math.round(this.y),o=e-this.absStartX,s=i-this.absStartY;if(this.directionX=o>0?Z:o<0?J:0,this.directionY=s>0?G:s<0?K:0,!this.options.pullDownRefresh||!this._checkPullDown()){if(this._checkClick(t))return void this.trigger("scrollCancel");if(!this.resetPosition(this.options.bounceTime,U.bounce)){this._translate(e,i),this.endTime=n();var r=this.endTime-this.startTime,a=Math.abs(e-this.startX),h=Math.abs(i-this.startY);if(this._events.flick&&r<this.options.flickLimitTime&&a<this.options.flickLimitDistance&&h<this.options.flickLimitDistance)return void this.trigger("flick");var c=0;if(this.options.momentum&&r<this.options.momentumLimitTime&&(h>this.options.momentumLimitDistance||a>this.options.momentumLimitDistance)){var l=!1,u=!1,p=!1,d=!1,m=this.options.bounce;!1!==m&&(l=void 0===m.top||m.top,u=void 0===m.bottom||m.bottom,p=void 0===m.left||m.left,d=void 0===m.right||m.right);var v=this.directionX===Z&&p||this.directionX===J&&d?this.wrapperWidth:0,g=this.directionY===G&&l||this.directionY===K&&u?this.wrapperHeight:0,y=this.hasHorizontalScroll?b(this.x,this.startX,r,this.maxScrollX,this.minScrollX,v,this.options):{destination:e,duration:0},x=this.hasVerticalScroll?b(this.y,this.startY,r,this.maxScrollY,this.minScrollY,g,this.options):{destination:i,duration:0};e=y.destination,i=x.destination,c=Math.max(y.duration,x.duration),this.isInTransition=!0}else this.options.wheel&&(i=Math.round(i/this.itemHeight)*this.itemHeight,c=this.options.wheel.adjustTime||400);var w=U.swipe;if(this.options.snap){var S=this._nearestSnap(e,i);this.currentPage=S,c=this.options.snapSpeed||Math.max(Math.max(Math.min(Math.abs(e-S.x),1e3),Math.min(Math.abs(i-S.y),1e3)),300),e=S.x,i=S.y,this.directionX=0,this.directionY=0,w=this.options.snap.easing||U.bounce}if(e!==this.x||i!==this.y)return(e>this.minScrollX||e<this.maxScrollX||i>this.minScrollY||i<this.maxScrollY)&&(w=U.swipeBounce),void this.scrollTo(e,i,c,w);this.options.wheel&&(this.selectedIndex=Math.round(Math.abs(this.y/this.itemHeight))),this.trigger("scrollEnd",{x:this.x,y:this.y})}}}},t.prototype._checkClick=function(t){var e=this.stopFromTransition&&!this.pulling;if(this.stopFromTransition=!1,!this.moved){if(this.options.wheel){if(this.target&&this.target.classList.contains(this.options.wheel.wheelWrapperClass)){var i=Math.abs(Math.round(this.y/this.itemHeight)),o=Math.round((this.pointY+u(this.wrapper).top-this.wrapperHeight/2)/this.itemHeight);this.target=this.items[i+o]}return this.scrollToElement(this.target,this.options.wheel.adjustTime||400,!0,!0,U.swipe),!0}if(!e){var s=this.options.dblclick,r=!1;if(s&&this.lastClickTime){var a=s.delay,h=void 0===a?300:a;n()-this.lastClickTime<h&&(r=!0,v(t))}return this.options.tap&&d(t,this.options.tap),this.options.click&&!f(t.target,this.options.preventDefaultException)&&m(t),this.lastClickTime=r?null:n(),!0}return!1}return!1},t.prototype._resize=function(){var t=this;this.enabled&&(I&&(this.wrapper.scrollTop=0),clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh()},this.options.resizePolling))},t.prototype._startProbe=function(){function t(){var i=e.getComputedPosition();if(e.trigger("scroll",i),!e.isInTransition)return void e.trigger("scrollEnd",i);e.probeTimer=V(t)}q(this.probeTimer),this.probeTimer=V(t);var e=this},t.prototype._transitionTime=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;if(this.scrollerStyle[R.transitionDuration]=t+"ms",this.options.wheel)for(var e=0;e<this.items.length;e++)this.items[e].style[R.transitionDuration]=t+"ms";if(this.indicators)for(var i=0;i<this.indicators.length;i++)this.indicators[i].transitionTime(t)},t.prototype._transitionTimingFunction=function(t){if(this.scrollerStyle[R.transitionTimingFunction]=t,this.options.wheel)for(var e=0;e<this.items.length;e++)this.items[e].style[R.transitionTimingFunction]=t;if(this.indicators)for(var i=0;i<this.indicators.length;i++)this.indicators[i].transitionTimingFunction(t)},t.prototype._transitionEnd=function(t){t.target===this.scroller&&this.isInTransition&&(this._transitionTime(),(!this.pulling||this.movingDirectionY===K)&&!this.resetPosition(this.options.bounceTime,U.bounce)&&(this.isInTransition=!1,this.options.probeType!==tt&&this.trigger("scrollEnd",{x:this.x,y:this.y})))},t.prototype._translate=function(t,e,i){if(_(!s(t)&&!s(e),"Translate x or y is null or undefined."),s(i)&&(i=this.scale),this.options.useTransform?this.scrollerStyle[R.transform]="translate("+t+"px,"+e+"px) scale("+i+")"+this.translateZ:(t=Math.round(t),e=Math.round(e),this.scrollerStyle.left=t+"px",this.scrollerStyle.top=e+"px"),this.options.wheel)for(var n=this.options.wheel.rotate,o=void 0===n?25:n,r=0;r<this.items.length;r++){var a=o*(e/this.itemHeight+r);this.items[r].style[R.transform]="rotateX("+a+"deg)"}if(this.x=t,this.y=e,this.setScale(i),this.indicators)for(var h=0;h<this.indicators.length;h++)this.indicators[h].updatePosition()},t.prototype._animate=function(t,e,i,o){function s(){var f=n();if(f>=p)return r.isAnimating=!1,r._translate(t,e,l),r.trigger("scroll",{x:r.x,y:r.y}),void(r.pulling||r.resetPosition(r.options.bounceTime)||r.trigger("scrollEnd",{x:r.x,y:r.y}));f=(f-u)/i;var d=o(f),m=(t-a)*d+a,v=(e-h)*d+h,g=(l-c)*d+c;r._translate(m,v,g),r.isAnimating&&(r.animateTimer=V(s)),r.options.probeType===tt&&r.trigger("scroll",{x:r.x,y:r.y})}var r=this,a=this.x,h=this.y,c=this.lastScale,l=this.scale,u=n(),p=u+i;this.isAnimating=!0,q(this.animateTimer),s()},t.prototype.scrollBy=function(t,e){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:U.bounce;t=this.x+t,e=this.y+e,this.scrollTo(t,e,i,n)},t.prototype.scrollTo=function(t,e){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:U.bounce;this.isInTransition=this.options.useTransition&&i>0&&(t!==this.x||e!==this.y),!i||this.options.useTransition?(this._transitionTimingFunction(n.style),this._transitionTime(i),this._translate(t,e),i&&this.options.probeType===tt&&this._startProbe(),i||t===this.x&&e===this.y||(this.trigger("scroll",{x:t,y:e}),this._reflow=document.body.offsetHeight,this.resetPosition(this.options.bounceTime,U.bounce)||this.trigger("scrollEnd",{x:t,y:e})),this.options.wheel&&(e>this.minScrollY?this.selectedIndex=0:e<this.maxScrollY?this.selectedIndex=this.items.length-1:this.selectedIndex=Math.round(Math.abs(e/this.itemHeight)))):this._animate(t,e,i,n.fn)},t.prototype.scrollToElement=function(t,e,i,n,o){if(t&&(t=t.nodeType?t:this.scroller.querySelector(t),!this.options.wheel||t.classList.contains(this.options.wheel.wheelItemClass))){var s=l(t);s.left-=this.wrapperOffset.left,s.top-=this.wrapperOffset.top,!0===i&&(i=Math.round(t.offsetWidth/2-this.wrapper.offsetWidth/2)),!0===n&&(n=Math.round(t.offsetHeight/2-this.wrapper.offsetHeight/2)),s.left-=i||0,s.top-=n||0,s.left=s.left>this.minScrollX?this.minScrollX:s.left<this.maxScrollX?this.maxScrollX:s.left,s.top=s.top>this.minScrollY?this.minScrollY:s.top<this.maxScrollY?this.maxScrollY:s.top,this.options.wheel&&(s.top=Math.round(s.top/this.itemHeight)*this.itemHeight),this.scrollTo(s.left,s.top,e,o)}},t.prototype.resetPosition=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:U.bounce,i=this.x,n=Math.round(i);!this.hasHorizontalScroll||n>this.minScrollX?i=this.minScrollX:n<this.maxScrollX&&(i=this.maxScrollX);var o=this.y,s=Math.round(o);return!this.hasVerticalScroll||s>this.minScrollY?o=this.minScrollY:s<this.maxScrollY&&(o=this.maxScrollY),(i!==this.x||o!==this.y)&&(this.scrollTo(i,o,t,e),!0)},t.prototype.getComputedPosition=function(){var t=window.getComputedStyle(this.scroller,null),e=void 0,i=void 0;return this.options.useTransform?(t=t[R.transform].split(")")[0].split(", "),e=+(t[12]||t[4]),i=+(t[13]||t[5])):(e=+t.left.replace(/[^-\d.]/g,""),i=+t.top.replace(/[^-\d.]/g,"")),{x:e,y:i}},t.prototype.stop=function(){if(this.options.useTransition&&this.isInTransition){this.isInTransition=!1,q(this.probeTimer);var t=this.getComputedPosition();this._translate(t.x,t.y),this.options.wheel?this.target=this.items[Math.round(-t.y/this.itemHeight)]:this.trigger("scrollEnd",{x:this.x,y:this.y}),this.stopFromTransition=!0}else!this.options.useTransition&&this.isAnimating&&(this.isAnimating=!1,q(this.animateTimer),this.trigger("scrollEnd",{x:this.x,y:this.y}),this.stopFromTransition=!0)},t.prototype.destroy=function(){this.destroyed=!0,this.trigger("destroy"),q(this.options.useTransition?this.probeTimer:this.animateTimer),this._removeDOMEvents(),this._events={}}}(E),function(t){t.prototype.on=function(t,e){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this;this._events[t]||(this._events[t]=[]),this._events[t].push([e,i])},t.prototype.once=function(t,e){function i(){this.off(t,i),e.apply(n,arguments)}var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this;i.fn=e,this.on(t,i)},t.prototype.off=function(t,e){var i=this._events[t];if(i)for(var n=i.length;n--;)(i[n][0]===e||i[n][0]&&i[n][0].fn===e)&&(i