/* jQuery Roundabout - v2.4.2
* http://fredhq.com/projects/roundabout
*
* Moves list-items of enabled ordered and unordered lists long
* a chosen path. Includes the default "lazySusan" path, that
* moves items long a spinning turntable.
*
* Terms of Use // jQuery Roundabout
*
* Open source under the BSD license
*
* Copyright (c) 2011-2012, Fred LeBlanc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* - Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
(function(b){var c,d,a;b.extend({roundaboutShapes:{def:"lazySusan",lazySusan:function(g,e,f){return{x:Math.sin(g+e),y:(Math.sin(g+3*Math.PI/2+e)/8)*f,z:(Math.cos(g+e)+1)/2,scale:(Math.sin(g+Math.PI/2+e)/2)+0.5}}}});c={bearing:0,tilt:0,minZ:100,maxZ:280,minOpacity:0.4,maxOpacity:1,minScale:0.4,maxScale:1,duration:600,btnNext:null,btnNextCallback:function(){},btnPrev:null,btnPrevCallback:function(){},btnToggleAutoplay:null,btnStartAutoplay:null,btnStopAutoplay:null,easing:"swing",clickToFocus:true,clickToFocusCallback:function(){},focusBearing:0,shape:"lazySusan",debug:false,childSelector:"li",startingChild:null,reflect:false,floatComparisonThreshold:0.001,autoplay:false,autoplayDuration:1000,autoplayPauseOnHover:false,autoplayCallback:function(){},autoplayInitialDelay:0,enableDrag:false,dropDuration:600,dropEasing:"swing",dropAnimateTo:"nearest",dropCallback:function(){},dragAxis:"x",dragFactor:4,triggerFocusEvents:true,triggerBlurEvents:true,responsive:false};d={autoplayInterval:null,autoplayIsRunning:false,autoplayStartTimeout:null,animating:false,childInFocus:-1,touchMoveStartPosition:null,stopAnimation:false,lastAnimationStep:false};a={init:function(f,i,h){var g,e=(new Date()).getTime();f=(typeof f==="object")?f:{};i=(b.isFunction(i))?i:function(){};i=(b.isFunction(f))?f:i;g=b.extend({},c,f,d);return this.each(function(){var k=b(this),j=k.children(g.childSelector).length,n=360/j,m=(g.startingChild&&g.startingChild>(j-1))?(j-1):g.startingChild,l=(g.startingChild===null)?g.bearing:360-(m*n),o=(k.css("position")!=="static")?k.css("position"):"relative";k.css({padding:0,position:o}).addClass("roundabout-holder").data("roundabout",b.extend({},g,{startingChild:m,bearing:l,oppositeOfFocusBearing:a.normalize.apply(null,[g.focusBearing-180]),dragBearing:l,period:n}));if(h){k.unbind(".roundabout").children(g.childSelector).unbind(".roundabout")}else{if(g.responsive){b(window).bind("resize.roundabout",function(){a.stopAutoplay.apply(k);a.relayoutChildren.apply(k)})}}if(g.clickToFocus){k.children(g.childSelector).each(function(p){b(this).bind("click.roundabout",function(){var q=a.getPlacement.apply(k,[p]);if(!a.isInFocus.apply(k,[q])){a.stopAnimation.apply(b(this));if(!k.data("roundabout").animating){a.animateBearingToFocus.apply(k,[q,k.data("roundabout").clickToFocusCallback])}return false}})})}if(g.btnNext){b(g.btnNext).bind("click.roundabout",function(){if(!k.data("roundabout").animating){a.animateToNextChild.apply(k,[k.data("roundabout").btnNextCallback])}return false})}if(g.btnPrev){b(g.btnPrev).bind("click.roundabout",function(){a.animateToPreviousChild.apply(k,[k.data("roundabout").btnPrevCallback]);return false})}if(g.btnToggleAutoplay){b(g.btnToggleAutoplay).bind("click.roundabout",function(){a.toggleAutoplay.apply(k);return false})}if(g.btnStartAutoplay){b(g.btnStartAutoplay).bind("click.roundabout",function(){a.startAutoplay.apply(k);return false})}if(g.btnStopAutoplay){b(g.btnStopAutoplay).bind("click.roundabout",function(){a.stopAutoplay.apply(k);return false})}if(g.autoplayPauseOnHover){k.bind("mouseenter.roundabout.autoplay",function(){a.stopAutoplay.apply(k,[true])}).bind("mouseleave.roundabout.autoplay",function(){a.startAutoplay.apply(k)})}if(g.enableDrag){if(!b.isFunction(k.drag)){if(g.debug){alert("You do not have the drag plugin loaded.")}}else{if(!b.isFunction(k.drop)){if(g.debug){alert("You do not have the drop plugin loaded.")}}else{k.drag(function(r,p){var q=k.data("roundabout"),s=(q.dragAxis.toLowerCase()==="x")?"deltaX":"deltaY";a.stopAnimation.apply(k);a.setBearing.apply(k,[q.dragBearing+p[s]/q.dragFactor])}).drop(function(q){var p=k.data("roundabout"),r=a.getAnimateToMethod(p.dropAnimateTo);a.allowAnimation.apply(k);a[r].apply(k,[p.dropDuration,p.dropEasing,p.dropCallback]);p.dragBearing=p.period*a.getNearestChild.apply(k)})}}k.each(function(){var p=b(this).get(0),r=b(this).data("roundabout"),q=(r.dragAxis.toLowerCase()==="x")?"pageX":"pageY",s=a.getAnimateToMethod(r.dropAnimateTo);if(p.addEventListener){p.addEventListener("touchstart",function(t){r.touchMoveStartPosition=t.touches[0][q]},false);p.addEventListener("touchmove",function(t){var u=(t.touches[0][q]-r.touchMoveStartPosition)/r.dragFactor;t.preventDefault();a.stopAnimation.apply(b(this));a.setBearing.apply(b(this),[r.dragBearing+u])},false);p.addEventListener("touchend",function(t){t.preventDefault();a.allowAnimation.apply(b(this));s=a.getAnimateToMethod(r.dropAnimateTo);a[s].apply(b(this),[r.dropDuration,r.dropEasing,r.dropCallback]);r.dragBearing=r.period*a.getNearestChild.apply(b(this))},false)}})}a.initChildren.apply(k,[i,h])})},initChildren:function(h,f){var e=b(this),g=e.data("roundabout");h=h||function(){};e.children(g.childSelector).each(function(m){var k,j,l,n=a.getPlacement.apply(e,[m]);if(f&&b(this).data("roundabout")){k=b(this).data("roundabout").startWidth;j=b(this).data("roundabout").startHeight;l=b(this).data("roundabout").startFontSize}b(this).addClass("roundabout-moveable-item").css("position","absolute");b(this).data("roundabout",{startWidth:k||b(this).width(),startHeight:j||b(this).height(),startFontSize:l||parseInt(b(this).css("font-size"),10),degrees:n,backDegrees:a.normalize.apply(null,[n-180]),childNumber:m,currentScale:1,parent:e})});a.updateChildren.apply(e);if(g.autoplay){g.autoplayStartTimeout=setTimeout(function(){a.startAutoplay.apply(e)},g.autoplayInitialDelay)}e.trigger("ready");h.apply(e);return e},updateChildren:function(){return this.each(function(){var e=b(this),f=e.data("roundabout"),h=-1,g={bearing:f.bearing,tilt:f.tilt,stage:{width:Math.floor(b(this).width()*0.9),height:Math.floor(b(this).height()*0.9)},animating:f.animating,inFocus:f.childInFocus,focusBearingRadian:a.degToRad.apply(null,[f.focusBearing]),shape:b.roundaboutShapes[f.shape]||b.roundaboutShapes[b.roundaboutShapes.def]};g.midStage={width:g.stage.width/2,height:g.stage.height/2};g.nudge={width:g.midStage.width+(g.stage.width*0.05),height:g.midStage.height+(g.stage.height*0.05)};g.zValues={min:f.minZ,max:f.maxZ,diff:f.maxZ-f.minZ};g.opacity={min:f.minOpacity,max:f.maxOpacity,diff:f.maxOpacity-f.minOpacity};g.scale={min:f.minScale,max:f.maxScale,diff:f.maxScale-f.minScale};e.children(f.childSelector).each(function(j){if(a.updateChild.apply(e,[b(this),g,j,function(){b(this).trigger("ready")}])&&(!g.animating||f.lastAnimationStep)){h=j;b(this).addClass("roundabout-in-focus")}else{b(this).removeClass("roundabout-in-focus")}});if(h!==g.inFocus){if(f.triggerBlurEvents){e.children(f.childSelector).eq(g.inFocus).trigger("blur")}f.childInFocus=h;if(f.triggerFocusEvents&&h!==-1){e.children(f.childSelector).eq(h).trigger("focus")}}e.trigger("childrenUpdated")})},updateChild:function(h,g,e,m){var l,n=this,f=b(h),j=f.data("roundabout"),i=[],k=a.degToRad.apply(null,[(360-j.degrees)+g.bearing]);m=m||function(){};k=a.normalizeRad.apply(null,[k]);l=g.shape(k,g.focusBearingRadian,g.tilt);l.scale=(l.scale>1)?1:l.scale;l.adjustedScale=(g.scale.min+(g.scale.diff*l.scale)).toFixed(4);l.width=(l.adjustedScale*j.startWidth).toFixed(4);l.height=(l.adjustedScale*j.startHeight).toFixed(4);f.css({left:((l.x*g.midStage.width+g.nudge.width)-l.width/2).toFixed(0)+"px",top:((l.y*g.midStage.height+g.nudge.height)-l.height/2).toFixed(0)+"px",width:l.width+"px",height:l.height+"px",opacity:(g.opacity.min+(g.opacity.diff*l.scale)).toFixed(2),zIndex:Math.round(g.zValues.min+(g.zValues.diff*l.z)),fontSize:(l.adjustedScale*j.startFontSize).toFixed(1)+"px"});j.currentScale=l.adjustedScale;if(n.data("roundabout").debug){i.push('<div style="font-weight: normal; font-size: 10px; padding: 2px; width: '+f.css("width")+'; background-color: #ffc;">');i.push('<strong style="font-size: 12px; white-space: nowrap;">Child '+e+"</strong><br />");i.push("<strong>left:</strong> "+f.css("left")+"<br />");i.push("<strong>top:</strong> "+f.css("top")+"<br />");i.push("<strong>width:</strong> "+f.css("width")+"<br />");i.push("<strong>opacity:</strong> "+f.css("opacity")+"<br />");i.push("<strong>height:</strong> "+f.css("height")+"<br />");i.push("<strong>z-index:</strong> "+f.css("z-index")+"<br />");i.push("<strong>font-size:</strong> "+f.css("font-size")+"<br />");i.push("<strong>scale:</strong> "+f.data("roundabout").currentScale);i.push("</div>");f.html(i.join(""))}f.trigger("reposition");m.apply(n);return a.isInFocus.apply(n,[j.degrees])},setBearing:function(e,f){f=f||function(){};e=a.normalize.apply(null,[e]);this.each(function(){var l,g,j,i=b(this),k=i.data("roundabout"),h=k.bearing;k.bearing=e;i.trigger("bearingSet");a.updateChildren.apply(i);l=Math.abs(h-e);if(!k.animating||l>180){return}l=Math.abs(h-e);i.children(k.childSelector).each(function(n){var m;if(a.isChildBackDegreesBetween.apply(b(this),[e,h])){m=(h>e)?"Clockwise":"Counterclockwise";b(this).trigger("move"+m+"ThroughBack")}})});f.apply(this);return this},adjustBearing:function(f,e){e=e||function(){};if(f===0){return this}this.each(function(){a.setBearing.apply(b(this),[b(this).data("roundabout").bearing+f])});e.apply(this);return this},setTilt:function(e,f){f=f||function(){};this.each(function(){b(this).data("roundabout").tilt=e;a.updateChildren.apply(b(this))});f.apply(this);return this},adjustTilt:function(f,e){e=e||function(){};this.each(function(){a.setTilt.apply(b(this),[b(this).data("roundabout").tilt+f])});e.apply(this);return this},animateToBearing:function(f,g,j,h,i){var e=(new Date()).getTime();i=i||function(){};if(b.isFunction(h)){i=h;h=null}else{if(b.isFunction(j)){i=j;j=null}else{if(b.isFunction(g)){i=g;g=null}}}this.each(function(){var q,p,k,l=b(this),o=l.data("roundabout"),m=(!g)?o.duration:g,n=(j)?j:o.easing||"swing";if(!h){h={timerStart:e,start:o.bearing,totalTime:m}}q=e-h.timerStart;if(o.stopAnimation){a.allowAnimation.apply(l);o.animating=false;return}if(q<m){if(!o.animating){l.trigger("animationStart")}o.animating=true;if(typeof b.easing.def==="string"){p=b.easing[n]||b.easing[b.easing.def];k=p(null,q,h.start,f-h.start,h.totalTime)}else{k=b.easing[n]((q/h.totalTime),q,h.start,f-h.start,h.totalTime)}if(a.compareVersions.apply(null,[b().jquery,"1.7.2"])>=0&&!(b.easing.easeOutBack)){k=h.start+((f-h.start)*k)}k=a.normalize.apply(null,[k]);o.dragBearing=k;a.setBearing.apply(l,[k,function(){setTimeout(function(){a.animateToBearing.apply(l,[f,m,n,h,i])},0)}])}else{o.lastAnimationStep=true;f=a.normalize.apply(null,[f]);a.setBearing.apply(l,[f,function(){l.trigger("animationEnd")}]);o.animating=false;o.lastAnimationStep=false;o.dragBearing=f;i.apply(l)}});return this},animateToNearbyChild:function(e,g){var f=e[0],i=e[1],h=e[2]||function(){};if(b.isFunction(i)){h=i;i=null}else{if(b.isFunction(f)){h=f;f=null}}return this.each(function(){var n,l,k=b(this),p=k.data("roundabout"),m=(!p.reflect)?p.bearing%360:p.bearing,o=k.children(p.childSelector).length;if(!p.animating){if((p.reflect&&g==="previous")||(!p.reflect&&g==="next")){m=(Math.abs(m)<p.floatComparisonThreshold)?360:m;for(n=0;n<o;n+=1){l={lower:(p.period*n),upper:(p.period*(n+1))};l.upper=(n===o-1)?360:l.upper;if(m<=Math.ceil(l.upper)&&m>=Math.floor(l.lower)){if(o===2&&m===360){a.animateToDelta.apply(k,[-180,f,i,h])}else{a.animateBearingToFocus.apply(k,[l.lower,f,i,h])}break}}}else{m=(Math.abs(m)<p.floatComparisonThreshold||360-Math.abs(m)<p.floatComparisonThreshold)?0:m;for(n=o-1;n>=0;n-=1){l={lower:p.period*n,upper:p.period*(n+1)};l.upper=(n===o-1)?360:l.upper;if(m>=Math.floor(l.lower)&&m<Math.ceil(l.upper)){if(o===2&&m===360){a.animateToDelta.apply(k,[180,f,i,h])}else{a.animateBearingToFocus.apply(k,[l.upper,f,i,h])}break}}}}})},animateToNearestChild:function(e,g,f){f=f||function(){};if(b.isFunction(g)){f=g;g=null}else{if(b.isFunction(e)){f=e;e=null}}return this.each(function(){var h=a.getNearestChild.apply(b(this));a.animateToChild.apply(b(this),[h,e,g,f])})},animateToChild:function(e,f,h,g){g=g||function(){};if(b.isFunction(h)){g=h;h=null}else{if(b.isFunction(f)){g=f;f=null}}return this.each(function(){var k,i=b(this),j=i.data("roundabout");if(j.childInFocus!==e&&!j.animating){k=i.children(j.childSelector).eq(e);a.animateBearingToFocus.apply(i,[k.data("roundabout").degrees,f,h,g])}})},animateToNextChild:function(e,g,f){return a.animateToNearbyChild.apply(this,[arguments,"next"])},animateToPreviousChild:function(e,g,f){return a.animateToNearbyChild.apply(this,[arguments,"previous"])},animateToDelta:function(f,e,h,g){g=g||function(){};if(b.isFunction(h)){g=h;h=null}else{if(b.isFunction(e)){g=e;e=null}}return this.each(function(){var i=b(this).data("roundabout").bearing+f;a.animateToBearing.apply(b(this),[i,e,h,g])})},animateBearingToFocus:function(f,e,h,g){g=g||function(){};if(b.isFunction(h)){g=h;h=null}else{if(b.isFunction(e)){g=e;e=null}}return this.each(function(){var i=b(this).data("roundabout").bearing-f;i=(Math.abs(360-i)<Math.abs(i))?360-i:-i;i=(i>180)?-(360-i):i;if(i!==0){a.animateToDelta.apply(b(this),[i,e,h,g])}})},stopAnimation:function(){return this.each(function(){b(this).data("roundabout").stopAnimation=true})},allowAnimation:function(){return this.each(function(){b(this).data("roundabout").stopAnimation=false})},startAutoplay:function(e){return this.each(function(){var f=b(this),g=f.data("roundabout");e=e||g.autoplayCallback||function(){};clearInterval(g.autoplayInterval);g.autoplayInterval=setInterval(function(){a.animateToNextChild.apply(f,[e])},g.autoplayDuration);g.autoplayIsRunning=true;f.trigger("autoplayStart")})},stopAutoplay:function(e){return this.each(function(){clearInterval(b(this).data("roundabout").autoplayInterval);b(this).data("roundabout").autoplayInterval=null;b(this).data("roundabout").autoplayIsRunning=false;if(!e){b(this).unbind(".autoplay")}b(this).trigger("autoplayStop")})},toggleAutoplay:function(e){return this.each(function(){var f=b(this),g=f.data("roundabout");e=e||g.autoplayCallback||function(){};if(!a.isAutoplaying.apply(b(this))){a.startAutoplay.apply(b(this),[e])}else{a.stopAutoplay.apply(b(this),[e])}})},isAutoplaying:function(){return(this.data("roundabout").autoplayIsRunning)},changeAutoplayDuration:function(e){return this.each(function(){var f=b(this),g=f.data("roundabout");g.autoplayDuration=e;if(a.isAutoplaying.apply(f)){a.stopAutoplay.apply(f);setTimeout(function(){a.startAutoplay.apply(f)},10)}})},normalize:function(f){var e=f%360;return(e<0)?360+e:e},normalizeRad:function(e){while(e<0){e+=(Math.PI*2)}while(e>(Math.PI*2)){e-=(Math.PI*2)}return e},isChildBackDegreesBetween:function(f,e){var g=b(this).data("roundabout").backDegrees;if(f>e){return(g>=e&&g<f)}else{return(g<e&&g>=f)}},getAnimateToMethod:function(e){e=e.toLowerCase();if(e==="next"){return"animateToNextChild"}else{if(e==="previous"){return"animateToPreviousChild"}}return"animateToNearestChild"},relayoutChildren:function(){return this.each(function(){var e=b(this),f=b.extend({},e.data("roundabout"));f.startingChild=e.data("roundabout").childInFocus;a.init.apply(e,[f,null,true])})},getNearestChild:function(){var e=b(this),g=e.data("roundabout"),f=e.children(g.childSelector).length;if(!g.reflect){return((f)-(Math.round(g.bearing/g.period)%f))%f}else{return(Math.round(g.bearing/g.period)%f)}},degToRad:function(e){return a.normalize.apply(null,[e])*Math.PI/180},getPlacement:function(f){var e=this.data("roundabout");return(!e.reflect)?360-(e.period*f):e.period*f},isInFocus:function(i){var h,e=this,g=e.data("roundabout"),f=a.normalize.apply(null,[g.bearing]);i=a.normalize.apply(null,[i]);h=Math.abs(f-i);return(h<=g.floatComparisonThreshold||h>=360-g.floatComparisonThreshold)},getChildInFocus:function(){var e=b(this).data("roundabout");return(e.childInFocus>-1)?e.childInFocus:false},compareVersions:function(e,k){var g,j=e.split(/\./i),h=k.split(/\./i),f=(j.length>h.length)?j.length:h.length;for(g=0;g<=f;g++){if(j[g]&&!h[g]&&parseInt(j[g],10)!==0){return 1}else{if(h[g]&&!j[g]&&parseInt(h[g],10)!==0){return -1}else{if(j[g]===h[g]){continue}}}if(j[g]&&h[g]){if(parseInt(j[g],10)>parseInt(h[g],10)){return 1}else{return -1}}}return 0},destroy:function(){var e=b(this),f=e.data("roundabout");b(window).unbind(".roundabout");e.removeClass("roundabout-holder").removeAttr("style");e.children(f.childSelector).removeClass("roundabout-moveable-item").removeClass("roundabout-in-focus").removeData("roundabout").removeAttr("style");e.children(f.childSelector).andSelf().unbind(".roundabout").unbind(".roundabout.autoplay");if(f.btnNext){b(f.btnNext).unbind(".roundabout")}if(f.btnPrev){b(f.btnPrev).bind(".roundabout")}if(f.btnToggleAutoplay){b(f.btnToggleAutoplay).bind(".roundabout")}if(f.btnStartAutoplay){b(f.btnStartAutoplay).bind(".roundabout")}if(f.btnStopAutoplay){b(f.btnStopAutoplay).bind(".roundabout")}e.removeData("roundabout")}};b.fn.roundabout=function(e){if(a[e]){return a[e].apply(this,Array.prototype.slice.call(arguments,1))}else{if(typeof e==="object"||b.isFunction(e)||!e){return a.init.apply(this,arguments)}else{b.error("Method "+e+" does not exist for jQuery.roundabout.")}}}})(jQuery);