7 lines
24 KiB
JavaScript
7 lines
24 KiB
JavaScript
/**
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* bxSlider v4.2.1d
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* Copyright 2013-2017 Steven Wanderski
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* Written while drinking Belgian ales and listening to jazz
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* Licensed under MIT (http://opensource.org/licenses/MIT)
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*/
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!function(t){var e={mode:"horizontal",slideSelector:"",infiniteLoop:!0,hideControlOnEnd:!1,speed:500,easing:null,slideMargin:0,startSlide:0,randomStart:!1,captions:!1,ticker:!1,tickerHover:!1,adaptiveHeight:!1,adaptiveHeightSpeed:500,video:!1,useCSS:!0,preloadImages:"visible",responsive:!0,slideZIndex:50,wrapperClass:"bx-wrapper",touchEnabled:!0,swipeThreshold:50,oneToOneTouch:!0,preventDefaultSwipeX:!0,preventDefaultSwipeY:!1,ariaLive:!0,ariaHidden:!0,keyboardEnabled:!1,pager:!0,pagerType:"full",pagerShortSeparator:" / ",pagerSelector:null,buildPager:null,pagerCustom:null,controls:!0,nextText:"Next",prevText:"Prev",nextSelector:null,prevSelector:null,autoControls:!1,startText:"Start",stopText:"Stop",autoControlsCombine:!1,autoControlsSelector:null,auto:!1,pause:4e3,autoStart:!0,autoDirection:"next",stopAutoOnClick:!1,autoHover:!1,autoDelay:0,autoSlideForOnePage:!1,minSlides:1,maxSlides:1,moveSlides:0,slideWidth:0,shrinkItems:!1,onSliderLoad:function(){return!0},onSlideBefore:function(){return!0},onSlideAfter:function(){return!0},onSlideNext:function(){return!0},onSlidePrev:function(){return!0},onSliderResize:function(){return!0},onAutoChange:function(){return!0}};t.fn.bxSlider=function(n){if(0===this.length)return this;if(this.length>1)return this.each(function(){t(this).bxSlider(n)}),this;var s={},o=this,r=t(window).width(),a=t(window).height();if(!t(o).data("bxSlider")){var l=function(){t(o).data("bxSlider")||(s.settings=t.extend({},e,n),s.settings.slideWidth=parseInt(s.settings.slideWidth),s.children=o.children(s.settings.slideSelector),s.children.length<s.settings.minSlides&&(s.settings.minSlides=s.children.length),s.children.length<s.settings.maxSlides&&(s.settings.maxSlides=s.children.length),s.settings.randomStart&&(s.settings.startSlide=Math.floor(Math.random()*s.children.length)),s.active={index:s.settings.startSlide},s.carousel=s.settings.minSlides>1||s.settings.maxSlides>1,s.carousel&&(s.settings.preloadImages="all"),s.minThreshold=s.settings.minSlides*s.settings.slideWidth+(s.settings.minSlides-1)*s.settings.slideMargin,s.maxThreshold=s.settings.maxSlides*s.settings.slideWidth+(s.settings.maxSlides-1)*s.settings.slideMargin,s.working=!1,s.controls={},s.interval=null,s.animProp="vertical"===s.settings.mode?"top":"left",s.usingCSS=s.settings.useCSS&&"fade"!==s.settings.mode&&function(){for(var t=document.createElement("div"),e=["WebkitPerspective","MozPerspective","OPerspective","msPerspective"],i=0;i<e.length;i++)if(void 0!==t.style[e[i]])return s.cssPrefix=e[i].replace("Perspective","").toLowerCase(),s.animProp="-"+s.cssPrefix+"-transform",!0;return!1}(),"vertical"===s.settings.mode&&(s.settings.maxSlides=s.settings.minSlides),o.data("origStyle",o.attr("style")),o.children(s.settings.slideSelector).each(function(){t(this).data("origStyle",t(this).attr("style"))}),d())},d=function(){var e=s.children.eq(s.settings.startSlide);o.wrap('<div class="'+s.settings.wrapperClass+'"><div class="bx-viewport"></div></div>'),s.viewport=o.parent(),s.settings.ariaLive&&!s.settings.ticker&&s.viewport.attr("aria-live","polite"),s.loader=t('<div class="bx-loading" />'),s.viewport.prepend(s.loader),o.css({width:"horizontal"===s.settings.mode?1e3*s.children.length+215+"%":"auto",position:"relative"}),s.usingCSS&&s.settings.easing?o.css("-"+s.cssPrefix+"-transition-timing-function",s.settings.easing):s.settings.easing||(s.settings.easing="swing"),s.viewport.css({width:"100%",overflow:"hidden",position:"relative"}),s.viewport.parent().css({maxWidth:u()}),s.children.css({float:"horizontal"===s.settings.mode?"left":"none",listStyle:"none",position:"relative"}),s.children.css("width",h()),"horizontal"===s.settings.mode&&s.settings.slideMargin>0&&s.children.css("marginRight",s.settings.slideMargin),"vertical"===s.settings.mode&&s.settings.slideMargin>0&&s.children.css("marginBottom",s.settings.slideMargin),"fade"===s.settings.mode&&(s.children.css({position:"absolute",zIndex:0,display:"none"}),s.children.eq(s.settings.startSlide).css({zIndex:s.settings.slideZIndex,display:"block"})),s.controls.el=t('<div class="bx-controls" />'),s.settings.captions&&k(),s.active.last=s.settings.startSlide===f()-1,s.settings.video&&o.fitVids(),"none"===s.settings.preloadImages?e=null:("all"===s.settings.preloadImages||s.settings.ticker)&&(e=s.children),s.settings.ticker?s.settings.pager=!1:(s.settings.controls&&C(),s.settings.auto&&s.settings.autoControls&&T(),s.settings.pager&&b(),(s.settings.controls||s.settings.autoControls||s.settings.pager)&&s.viewport.after(s.controls.el)),null===e?g():c(e,g)},c=function(e,i){var n=e.find('img:not([src=""]), iframe').length,s=0;if(0===n)return void i();e.find('img:not([src=""]), iframe').each(function(){t(this).one("load error",function(){++s===n&&i()}).each(function(){(this.complete||""==this.src)&&t(this).trigger("load")})})},g=function(){if(s.settings.infiniteLoop&&"fade"!==s.settings.mode&&!s.settings.ticker){var e="vertical"===s.settings.mode?s.settings.minSlides:s.settings.maxSlides,i=s.children.slice(0,e).clone(!0).addClass("bx-clone"),n=s.children.slice(-e).clone(!0).addClass("bx-clone");s.settings.ariaHidden&&(i.attr("aria-hidden",!0),n.attr("aria-hidden",!0)),o.append(i).prepend(n)}s.loader.remove(),m(),"vertical"===s.settings.mode&&(s.settings.adaptiveHeight=!0),s.viewport.height(p()),o.redrawSlider(),s.settings.onSliderLoad.call(o,s.active.index),s.initialized=!0,s.settings.responsive&&t(window).on("resize",U),s.settings.auto&&s.settings.autoStart&&(f()>1||s.settings.autoSlideForOnePage)&&L(),s.settings.ticker&&O(),s.settings.pager&&z(s.settings.startSlide),s.settings.controls&&q(),s.settings.touchEnabled&&!s.settings.ticker&&X(),s.settings.keyboardEnabled&&!s.settings.ticker&&t(document).keydown(B)},p=function(){var e=0,n=t();if("vertical"===s.settings.mode||s.settings.adaptiveHeight)if(s.carousel){var o=1===s.settings.moveSlides?s.active.index:s.active.index*x();for(n=s.children.eq(o),i=1;i<=s.settings.maxSlides-1;i++)n=o+i>=s.children.length?n.add(s.children.eq(i-1)):n.add(s.children.eq(o+i))}else n=s.children.eq(s.active.index);else n=s.children;return"vertical"===s.settings.mode?(n.each(function(i){e+=t(this).outerHeight()}),s.settings.slideMargin>0&&(e+=s.settings.slideMargin*(s.settings.minSlides-1))):e=Math.max.apply(Math,n.map(function(){return t(this).outerHeight(!1)}).get()),"border-box"===s.viewport.css("box-sizing")?e+=parseFloat(s.viewport.css("padding-top"))+parseFloat(s.viewport.css("padding-bottom"))+parseFloat(s.viewport.css("border-top-width"))+parseFloat(s.viewport.css("border-bottom-width")):"padding-box"===s.viewport.css("box-sizing")&&(e+=parseFloat(s.viewport.css("padding-top"))+parseFloat(s.viewport.css("padding-bottom"))),e},u=function(){var t="100%";return s.settings.slideWidth>0&&(t="horizontal"===s.settings.mode?s.settings.maxSlides*s.settings.slideWidth+(s.settings.maxSlides-1)*s.settings.slideMargin:s.settings.slideWidth),t},h=function(){var t=s.settings.slideWidth,e=s.viewport.width();if(0===s.settings.slideWidth||s.settings.slideWidth>e&&!s.carousel||"vertical"===s.settings.mode)t=e;else if(s.settings.maxSlides>1&&"horizontal"===s.settings.mode){if(e>s.maxThreshold)return t;e<s.minThreshold?t=(e-s.settings.slideMargin*(s.settings.minSlides-1))/s.settings.minSlides:s.settings.shrinkItems&&(t=Math.floor((e+s.settings.slideMargin)/Math.ceil((e+s.settings.slideMargin)/(t+s.settings.slideMargin))-s.settings.slideMargin))}return t},v=function(){var t=1,e=null;return"horizontal"===s.settings.mode&&s.settings.slideWidth>0?s.viewport.width()<s.minThreshold?t=s.settings.minSlides:s.viewport.width()>s.maxThreshold?t=s.settings.maxSlides:(e=s.children.first().width()+s.settings.slideMargin,t=Math.floor((s.viewport.width()+s.settings.slideMargin)/e)||1):"vertical"===s.settings.mode&&(t=s.settings.minSlides),t},f=function(){var t=0,e=0,i=0;if(s.settings.moveSlides>0){if(!s.settings.infiniteLoop){for(;e<s.children.length;)++t,e=i+v(),i+=s.settings.moveSlides<=v()?s.settings.moveSlides:v();return i}t=Math.ceil(s.children.length/x())}else t=Math.ceil(s.children.length/v());return t},x=function(){return s.settings.moveSlides>0&&s.settings.moveSlides<=v()?s.settings.moveSlides:v()},m=function(){var t,e,i;s.children.length>s.settings.maxSlides&&s.active.last&&!s.settings.infiniteLoop?"horizontal"===s.settings.mode?(e=s.children.last(),t=e.position(),S(-(t.left-(s.viewport.width()-e.outerWidth())),"reset",0)):"vertical"===s.settings.mode&&(i=s.children.length-s.settings.minSlides,t=s.children.eq(i).position(),S(-t.top,"reset",0)):(t=s.children.eq(s.active.index*x()).position(),s.active.index===f()-1&&(s.active.last=!0),void 0!==t&&("horizontal"===s.settings.mode?S(-t.left,"reset",0):"vertical"===s.settings.mode&&S(-t.top,"reset",0)))},S=function(e,i,n,r){var a,l;s.usingCSS?(l="vertical"===s.settings.mode?"translate3d(0, "+e+"px, 0)":"translate3d("+e+"px, 0, 0)",o.css("-"+s.cssPrefix+"-transition-duration",n/1e3+"s"),"slide"===i?(o.css(s.animProp,l),0!==n?o.on("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd",function(e){t(e.target).is(o)&&(o.off("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd"),A())}):A()):"reset"===i?o.css(s.animProp,l):"ticker"===i&&(o.css("-"+s.cssPrefix+"-transition-timing-function","linear"),o.css(s.animProp,l),0!==n?o.on("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd",function(e){t(e.target).is(o)&&(o.off("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd"),S(r.resetValue,"reset",0),F())}):(S(r.resetValue,"reset",0),F()))):(a={},a[s.animProp]=e,"slide"===i?o.animate(a,n,s.settings.easing,function(){A()}):"reset"===i?o.css(s.animProp,e):"ticker"===i&&o.animate(a,n,"linear",function(){S(r.resetValue,"reset",0),F()}))},w=function(){for(var e="",i="",n=f(),o=0;o<n;o++)i="",s.settings.buildPager&&t.isFunction(s.settings.buildPager)||s.settings.pagerCustom?(i=s.settings.buildPager(o),s.pagerEl.addClass("bx-custom-pager")):(i=o+1,s.pagerEl.addClass("bx-default-pager")),e+='<div class="bx-pager-item"><a href="" data-slide-index="'+o+'" class="bx-pager-link">'+i+"</a></div>";s.pagerEl.html(e)},b=function(){s.settings.pagerCustom?s.pagerEl=t(s.settings.pagerCustom):(s.pagerEl=t('<div class="bx-pager" />'),s.settings.pagerSelector?t(s.settings.pagerSelector).html(s.pagerEl):s.controls.el.addClass("bx-has-pager").append(s.pagerEl),w()),s.pagerEl.on("click touchend","a",I)},C=function(){s.controls.next=t('<a class="bx-next" href="">'+s.settings.nextText+"</a>"),s.controls.prev=t('<a class="bx-prev" href="">'+s.settings.prevText+"</a>"),s.controls.next.on("click touchend",P),s.controls.prev.on("click touchend",E),s.settings.nextSelector&&t(s.settings.nextSelector).append(s.controls.next),s.settings.prevSelector&&t(s.settings.prevSelector).append(s.controls.prev),s.settings.nextSelector||s.settings.prevSelector||(s.controls.directionEl=t('<div class="bx-controls-direction" />'),s.controls.directionEl.append(s.controls.prev).append(s.controls.next),s.controls.el.addClass("bx-has-controls-direction").append(s.controls.directionEl))},T=function(){s.controls.start=t('<div class="bx-controls-auto-item"><a class="bx-start" href="">'+s.settings.startText+"</a></div>"),s.controls.stop=t('<div class="bx-controls-auto-item"><a class="bx-stop" href="">'+s.settings.stopText+"</a></div>"),s.controls.autoEl=t('<div class="bx-controls-auto" />'),s.controls.autoEl.on("click",".bx-start",M),s.controls.autoEl.on("click",".bx-stop",y),s.settings.autoControlsCombine?s.controls.autoEl.append(s.controls.start):s.controls.autoEl.append(s.controls.start).append(s.controls.stop),s.settings.autoControlsSelector?t(s.settings.autoControlsSelector).html(s.controls.autoEl):s.controls.el.addClass("bx-has-controls-auto").append(s.controls.autoEl),D(s.settings.autoStart?"stop":"start")},k=function(){s.children.each(function(e){var i=t(this).find("img:first").attr("title");void 0!==i&&(""+i).length&&t(this).append('<div class="bx-caption"><span>'+i+"</span></div>")})},P=function(t){t.preventDefault(),s.controls.el.hasClass("disabled")||(s.settings.auto&&s.settings.stopAutoOnClick&&o.stopAuto(),o.goToNextSlide())},E=function(t){t.preventDefault(),s.controls.el.hasClass("disabled")||(s.settings.auto&&s.settings.stopAutoOnClick&&o.stopAuto(),o.goToPrevSlide())},M=function(t){o.startAuto(),t.preventDefault()},y=function(t){o.stopAuto(),t.preventDefault()},I=function(e){var i,n;e.preventDefault(),s.controls.el.hasClass("disabled")||(s.settings.auto&&s.settings.stopAutoOnClick&&o.stopAuto(),i=t(e.currentTarget),void 0!==i.attr("data-slide-index")&&(n=parseInt(i.attr("data-slide-index")))!==s.active.index&&o.goToSlide(n))},z=function(e){var i=s.children.length;if("short"===s.settings.pagerType)return s.settings.maxSlides>1&&(i=Math.ceil(s.children.length/s.settings.maxSlides)),void s.pagerEl.html(e+1+s.settings.pagerShortSeparator+i);s.pagerEl.find("a").removeClass("active"),s.pagerEl.each(function(i,n){t(n).find("a").eq(e).addClass("active")})},A=function(){if(s.settings.infiniteLoop){var t="";0===s.active.index?t=s.children.eq(0).position():s.active.index===f()-1&&s.carousel?t=s.children.eq((f()-1)*x()).position():s.active.index===s.children.length-1&&(t=s.children.eq(s.children.length-1).position()),t&&("horizontal"===s.settings.mode?S(-t.left,"reset",0):"vertical"===s.settings.mode&&S(-t.top,"reset",0))}s.working=!1,s.settings.onSlideAfter.call(o,s.children.eq(s.active.index),s.oldIndex,s.active.index)},D=function(t){s.settings.autoControlsCombine?s.controls.autoEl.html(s.controls[t]):(s.controls.autoEl.find("a").removeClass("active"),s.controls.autoEl.find("a:not(.bx-"+t+")").addClass("active"))},q=function(){1===f()?(s.controls.prev.addClass("disabled"),s.controls.next.addClass("disabled")):!s.settings.infiniteLoop&&s.settings.hideControlOnEnd&&(0===s.active.index?(s.controls.prev.addClass("disabled"),s.controls.next.removeClass("disabled")):s.active.index===f()-1?(s.controls.next.addClass("disabled"),s.controls.prev.removeClass("disabled")):(s.controls.prev.removeClass("disabled"),s.controls.next.removeClass("disabled")))},H=function(){o.startAuto()},W=function(){o.stopAuto()},L=function(){s.settings.autoDelay>0?setTimeout(o.startAuto,s.settings.autoDelay):(o.startAuto(),t(window).focus(H).blur(W)),s.settings.autoHover&&o.hover(function(){s.interval&&(o.stopAuto(!0),s.autoPaused=!0)},function(){s.autoPaused&&(o.startAuto(!0),s.autoPaused=null)})},O=function(){var e,i,n,r,a,l,d,c,g=0;"next"===s.settings.autoDirection?o.append(s.children.clone().addClass("bx-clone")):(o.prepend(s.children.clone().addClass("bx-clone")),e=s.children.first().position(),g="horizontal"===s.settings.mode?-e.left:-e.top),S(g,"reset",0),s.settings.pager=!1,s.settings.controls=!1,s.settings.autoControls=!1,s.settings.tickerHover&&(s.usingCSS?(r="horizontal"===s.settings.mode?4:5,s.viewport.hover(function(){i=o.css("-"+s.cssPrefix+"-transform"),n=parseFloat(i.split(",")[r]),S(n,"reset",0)},function(){c=0,s.children.each(function(e){c+="horizontal"===s.settings.mode?t(this).outerWidth(!0):t(this).outerHeight(!0)}),a=s.settings.speed/c,l="horizontal"===s.settings.mode?"left":"top",d=a*(c-Math.abs(parseInt(n))),F(d)})):s.viewport.hover(function(){o.stop()},function(){c=0,s.children.each(function(e){c+="horizontal"===s.settings.mode?t(this).outerWidth(!0):t(this).outerHeight(!0)}),a=s.settings.speed/c,l="horizontal"===s.settings.mode?"left":"top",d=a*(c-Math.abs(parseInt(o.css(l)))),F(d)})),F()},F=function(t){var e,i,n,r=t||s.settings.speed,a={left:0,top:0},l={left:0,top:0};"next"===s.settings.autoDirection?a=o.find(".bx-clone").first().position():l=s.children.first().position(),e="horizontal"===s.settings.mode?-a.left:-a.top,i="horizontal"===s.settings.mode?-l.left:-l.top,n={resetValue:i},S(e,"ticker",r,n)},N=function(e){var i=t(window),n={top:i.scrollTop(),left:i.scrollLeft()},s=e.offset();return n.right=n.left+i.width(),n.bottom=n.top+i.height(),s.right=s.left+e.outerWidth(),s.bottom=s.top+e.outerHeight(),!(n.right<s.left||n.left>s.right||n.bottom<s.top||n.top>s.bottom)},B=function(t){var e=document.activeElement.tagName.toLowerCase();if(null==new RegExp(e,["i"]).exec("input|textarea")&&N(o)){if(39===t.keyCode)return P(t),!1;if(37===t.keyCode)return E(t),!1}},X=function(){s.touch={start:{x:0,y:0},end:{x:0,y:0}},s.viewport.on("touchstart MSPointerDown pointerdown",Y),s.viewport.on("click",".bxslider a",function(t){s.viewport.hasClass("click-disabled")&&(t.preventDefault(),s.viewport.removeClass("click-disabled"))})},Y=function(t){if("touchstart"===t.type||0===t.button)if(t.preventDefault(),s.controls.el.addClass("disabled"),s.working)s.controls.el.removeClass("disabled");else{s.touch.originalPos=o.position();var e=t.originalEvent,i=void 0!==e.changedTouches?e.changedTouches:[e],n="function"==typeof PointerEvent;if(n&&void 0===e.pointerId)return;s.touch.start.x=i[0].pageX,s.touch.start.y=i[0].pageY,s.viewport.get(0).setPointerCapture&&(s.pointerId=e.pointerId,s.viewport.get(0).setPointerCapture(s.pointerId)),s.originalClickTarget=e.originalTarget||e.target,s.originalClickButton=e.button,s.originalClickButtons=e.buttons,s.originalEventType=e.type,s.hasMove=!1,s.viewport.on("touchmove MSPointerMove pointermove",R),s.viewport.on("touchend MSPointerUp pointerup",Z),s.viewport.on("MSPointerCancel pointercancel",V)}},V=function(t){t.preventDefault(),S(s.touch.originalPos.left,"reset",0),s.controls.el.removeClass("disabled"),s.viewport.off("MSPointerCancel pointercancel",V),s.viewport.off("touchmove MSPointerMove pointermove",R),s.viewport.off("touchend MSPointerUp pointerup",Z),s.viewport.get(0).releasePointerCapture&&s.viewport.get(0).releasePointerCapture(s.pointerId)},R=function(t){var e=t.originalEvent,i=void 0!==e.changedTouches?e.changedTouches:[e],n=Math.abs(i[0].pageX-s.touch.start.x),o=Math.abs(i[0].pageY-s.touch.start.y),r=0,a=0;s.hasMove=!0,3*n>o&&s.settings.preventDefaultSwipeX?t.preventDefault():3*o>n&&s.settings.preventDefaultSwipeY&&t.preventDefault(),"touchmove"!==t.type&&t.preventDefault(),"fade"!==s.settings.mode&&s.settings.oneToOneTouch&&("horizontal"===s.settings.mode?(a=i[0].pageX-s.touch.start.x,r=s.touch.originalPos.left+a):(a=i[0].pageY-s.touch.start.y,r=s.touch.originalPos.top+a),S(r,"reset",0))},Z=function(e){e.preventDefault(),s.viewport.off("touchmove MSPointerMove pointermove",R),s.controls.el.removeClass("disabled");var i=e.originalEvent,n=void 0!==i.changedTouches?i.changedTouches:[i],r=0,a=0;s.touch.end.x=n[0].pageX,s.touch.end.y=n[0].pageY,"fade"===s.settings.mode?(a=Math.abs(s.touch.start.x-s.touch.end.x))>=s.settings.swipeThreshold&&(s.touch.start.x>s.touch.end.x?o.goToNextSlide():o.goToPrevSlide(),o.stopAuto()):("horizontal"===s.settings.mode?(a=s.touch.end.x-s.touch.start.x,r=s.touch.originalPos.left):(a=s.touch.end.y-s.touch.start.y,r=s.touch.originalPos.top),!s.settings.infiniteLoop&&(0===s.active.index&&a>0||s.active.last&&a<0)?S(r,"reset",200):Math.abs(a)>=s.settings.swipeThreshold?(a<0?o.goToNextSlide():o.goToPrevSlide(),o.stopAuto()):S(r,"reset",200)),s.viewport.off("touchend MSPointerUp 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