"

From 2013.igem.org

/**

* jQuery Roundabout - v2.1.1
* 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, 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(a){"use strict";var b,c,d;a.extend({roundaboutShapes:{def:"lazySusan",lazySusan:function(a,b,c){return{x:Math.sin(a+b),y:Math.sin(a+3*Math.PI/2+b)/8*c,z:(Math.cos(a+b)+1)/2,scale:Math.sin(a+Math.PI/2+b)/2+.5}}}});b={bearing:0,tilt:0,minZ:100,maxZ:280,minOpacity:.4,maxOpacity:1,minScale:.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:.001,autoplay:false,autoplayDuration:1e3,autoplayPauseOnHover:false,autoplayCallback:function(){},enableDrag:false,dropDuration:600,dropEasing:"swing",dropAnimateTo:"nearest",dropCallback:function(){},dragAxis:"x",dragFactor:4,triggerFocusEvents:true,triggerBlurEvents:true,responsive:false};c={autoplayInterval:null,autoplayIsRunning:false,animating:false,childInFocus:-1,touchMoveStartPosition:null,stopAnimation:false,lastAnimationStep:false};d={init:function(e,f,g){var h,i=(new Date).getTime();e=typeof e==="object"?e:{};f=a.isFunction(f)?f:function(){};f=a.isFunction(e)?e:f;h=a.extend({},b,e,c);return this.each(function(){var b=a(this),c=b.children(h.childSelector).length,e=360/c,i=h.startingChild&&h.startingChild>c-1?c-1:h.startingChild,j=h.startingChild===null?h.bearing:360-i*e,k=b.css("position")!=="static"?b.css("position"):"relative";b.css({padding:0,position:k}).addClass("roundabout-holder").data("roundabout",a.extend({},h,{startingChild:i,bearing:j,oppositeOfFocusBearing:d.normalize.apply(null,[h.focusBearing-180]),dragBearing:j,period:e}));if(!g){if(h.clickToFocus){b.children(h.childSelector).each(function(c){a(this).bind("click.roundabout",function(){var e=d.getPlacement.apply(b,[c]);if(!d.isInFocus.apply(b,[e])){d.stopAnimation.apply(a(this));if(!b.data("roundabout").animating){d.animateBearingToFocus.apply(b,[e,b.data("roundabout").clickToFocusCallback])}return false}})})}if(h.btnNext){a(h.btnNext).bind("click.roundabout",function(){if(!b.data("roundabout").animating){d.animateToNextChild.apply(b,[b.data("roundabout").btnNextCallback])}return false})}if(h.btnPrev){a(h.btnPrev).bind("click.roundabout",function(){d.animateToPreviousChild.apply(b,[b.data("roundabout").btnPrevCallback]);return false})}if(h.btnToggleAutoplay){a(h.btnToggleAutoplay).bind("click.roundabout",function(){d.toggleAutoplay.apply(b);return false})}if(h.btnStartAutoplay){a(h.btnStartAutoplay).bind("click.roundabout",function(){d.startAutoplay.apply(b);return false})}if(h.btnStopAutoplay){a(h.btnStopAutoplay).bind("click.roundabout",function(){d.stopAutoplay.apply(b);return false})}if(h.autoplayPauseOnHover){b.bind("mouseenter.roundabout.autoplay",function(){d.stopAutoplay.apply(b,[true])}).bind("mouseleave.roundabout.autoplay",function(){d.startAutoplay.apply(b)})}if(h.enableDrag){if(!a.isFunction(b.drag)){if(h.debug){alert("You do not have the drag plugin loaded.")}}else if(!a.isFunction(b.drop)){if(h.debug){alert("You do not have the drop plugin loaded.")}}else{b.drag(function(a,c){var e=b.data("roundabout"),f=e.dragAxis.toLowerCase()==="x"?"deltaX":"deltaY";d.stopAnimation.apply(b);d.setBearing.apply(b,[e.dragBearing+c[f]/e.dragFactor])}).drop(function(a){var c=b.data("roundabout"),e=d.getAnimateToMethod(c.dropAnimateTo);d.allowAnimation.apply(b);d[e].apply(b,[c.dropDuration,c.dropEasing,c.dropCallback]);c.dragBearing=c.period*d.getNearestChild.apply(b)})}b.each(function(){var b=a(this).get(0),c=a(this).data("roundabout"),e=c.dragAxis.toLowerCase()==="x"?"pageX":"pageY",f=d.getAnimateToMethod(c.dropAnimateTo);if(b.addEventListener){b.addEventListener("touchstart",function(a){c.touchMoveStartPosition=a.touches[0][e]},false);b.addEventListener("touchmove",function(b){var f=(b.touches[0][e]-c.touchMoveStartPosition)/c.dragFactor;b.preventDefault();d.stopAnimation.apply(a(this));d.setBearing.apply(a(this),[c.dragBearing+f])},false);b.addEventListener("touchend",function(b){b.preventDefault();d.allowAnimation.apply(a(this));f=d.getAnimateToMethod(c.dropAnimateTo);d[f].apply(a(this),[c.dropDuration,c.dropEasing,c.dropCallback]);c.dragBearing=c.period*d.getNearestChild.apply(a(this))},false)}})}if(h.responsive){a(window).resize(function(){d.relayoutChildren.apply(b)})}}d.initChildren.apply(b,[f,g])})},initChildren:function(b,c){var e=a(this),f=e.data("roundabout");b=b||function(){};e.children(f.childSelector).each(function(b){var f,g,h,i=d.getPlacement.apply(e,[b]);if(c){f=a(this).data("roundabout").startWidth;g=a(this).data("roundabout").startHeight;h=a(this).data("roundabout").startFontSize}a(this).addClass("roundabout-moveable-item").css("position","absolute");a(this).data("roundabout",{startWidth:f||a(this).width(),startHeight:g||a(this).height(),startFontSize:h||parseInt(a(this).css("font-size"),10),degrees:i,backDegrees:d.normalize.apply(null,[i-180]),childNumber:b,currentScale:1,parent:e})});d.updateChildren.apply(e);if(f.autoplay){d.startAutoplay.apply(e)}e.trigger("ready");b.apply(e);return e},updateChildren:function(){return this.each(function(){var b=a(this),c=b.data("roundabout"),e=-1,f={bearing:c.bearing,tilt:c.tilt,stage:{width:Math.floor(a(this).width()*.9),height:Math.floor(a(this).height()*.9)},animating:c.animating,inFocus:c.childInFocus,focusBearingRadian:d.degToRad.apply(null,[c.focusBearing]),shape:a.roundaboutShapes[c.shape]||a.roundaboutShapes[a.roundaboutShapes.def]};f.midStage={width:f.stage.width/2,height:f.stage.height/2};f.nudge={width:f.midStage.width+f.stage.width*.05,height:f.midStage.height+f.stage.height*.05};f.zValues={min:c.minZ,max:c.maxZ,diff:c.maxZ-c.minZ};f.opacity={min:c.minOpacity,max:c.maxOpacity,diff:c.maxOpacity-c.minOpacity};f.scale={min:c.minScale,max:c.maxScale,diff:c.maxScale-c.minScale};b.children(c.childSelector).each(function(g){if(d.updateChild.apply(b,[a(this),f,g,function(){a(this).trigger("ready")}])&&(!f.animating||c.lastAnimationStep)){e=g;a(this).addClass("roundabout-in-focus")}else{a(this).removeClass("roundabout-in-focus")}});if(e!==f.inFocus){if(c.triggerBlurEvents){b.children(c.childSelector).eq(f.inFocus).trigger("blur")}c.childInFocus=e;if(c.triggerFocusEvents&&e!==-1){b.children(c.childSelector).eq(e).trigger("focus")}}b.trigger("childrenUpdated")})},updateChild:function(b,c,e,f){var g,h=this,i=a(b),j=i.data("roundabout"),k=[],l=d.degToRad.apply(null,[360-j.degrees+c.bearing]);f=f||function(){};l=d.normalizeRad.apply(null,[l]);g=c.shape(l,c.focusBearingRadian,c.tilt);g.scale=g.scale>1?1:g.scale;g.adjustedScale=(c.scale.min+c.scale.diff*g.scale).toFixed(4);g.width=(g.adjustedScale*j.startWidth).toFixed(4);g.height=(g.adjustedScale*j.startHeight).toFixed(4);i.css({left:(g.x*c.midStage.width+c.nudge.width-g.width/2).toFixed(0)+"px",top:(g.y*c.midStage.height+c.nudge.height-g.height/2).toFixed(0)+"px",width:g.width+"px",height:g.height+"px",opacity:(c.opacity.min+c.opacity.diff*g.scale).toFixed(2),zIndex:Math.round(c.zValues.min+c.zValues.diff*g.z),fontSize:(g.adjustedScale*j.startFontSize).toFixed(1)+"px"});j.currentScale=g.adjustedScale;if(h.data("roundabout").debug){k.push('");i.html(k.join(""))}i.trigger("reposition");f.apply(h);return d.isInFocus.apply(h,[j.degrees])},setBearing:function(b,c){c=c||function(){};b=d.normalize.apply(null,[b]);this.each(function(){var c,e,f,g=a(this),h=g.data("roundabout"),i=h.bearing;h.bearing=b;g.trigger("bearingSet");d.updateChildren.apply(g);c=Math.abs(i-b);if(!h.animating||c>180){return}c=Math.abs(i-b);g.children(h.childSelector).each(function(c){var e;if(d.isChildBackDegreesBetween.apply(a(this),[b,i])){e=i>b?"Clockwise":"Counterclockwise";a(this).trigger("move"+e+"ThroughBack")}})});c.apply(this);return this},adjustBearing:function(b,c){c=c||function(){};if(b===0){return this}this.each(function(){d.setBearing.apply(a(this),[a(this).data("roundabout").bearing+b])});c.apply(this);return this},setTilt:function(b,c){c=c||function(){};this.each(function(){a(this).data("roundabout").tilt=b;d.updateChildren.apply(a(this))});c.apply(this);return this},adjustTilt:function(b,c){c=c||function(){};this.each(function(){d.setTilt.apply(a(this),[a(this).data("roundabout").tilt+b])});c.apply(this);return this},animateToBearing:function(b,c,e,f,g){var h=(new Date).getTime();g=g||function(){};if(a.isFunction(f)){g=f;f=null}else if(a.isFunction(e)){g=e;e=null}else if(a.isFunction(c)){g=c;c=null}this.each(function(){var i,j,k,l=a(this),m=l.data("roundabout"),n=!c?m.duration:c,o=e?e:m.easing||"swing";if(!f){f={timerStart:h,start:m.bearing,totalTime:n}}i=h-f.timerStart;if(m.stopAnimation){d.allowAnimation.apply(l);m.animating=false;return}if(i<n){if(!m.animating){l.trigger("animationStart")}m.animating=true;if(typeof a.easing.def==="string"){j=a.easing[o]||a.easing[a.easing.def];k=j(null,i,f.start,b-f.start,f.totalTime)}else{k=a.easing[o](i/f.totalTime,i,f.start,b-f.start,f.totalTime)}k=d.normalize.apply(null,[k]);m.dragBearing=k;d.setBearing.apply(l,[k,function(){setTimeout(function(){d.animateToBearing.apply(l,[b,n,o,f,g])},0)}])}else{if(m.animating){l.trigger("animationEnd")}m.lastAnimationStep=true;b=d.normalize.apply(null,[b]);d.setBearing.apply(l,[b]);m.animating=false;m.lastAnimationStep=false;m.dragBearing=b;g.apply(l)}});return this},animateToNearbyChild:function(b,c){var e=b[0],f=b[1],g=b[2]||function(){};if(a.isFunction(f)){g=f;f=null}else if(a.isFunction(e)){g=e;e=null}return this.each(function(){var b,h,i=a(this),j=i.data("roundabout"),k=!j.reflect?j.bearing%360:j.bearing,l=i.children(j.childSelector).length;if(!j.animating){if(j.reflect&&c==="previous"||!j.reflect&&c==="next"){k=Math.abs(k)<j.floatComparisonThreshold?360:k;for(b=0;b<l;b+=1){h={lower:j.period*b,upper:j.period*(b+1)};h.upper=b===l-1?360:h.upper;if(k<=Math.ceil(h.upper)&&k>=Math.floor(h.lower)){if(l===2&&k===360){d.animateToDelta.apply(i,[-180,e,f,g])}else{d.animateBearingToFocus.apply(i,[h.lower,e,f,g])}break}}}else{k=Math.abs(k)<j.floatComparisonThreshold||360-Math.abs(k)<j.floatComparisonThreshold?0:k;for(b=l-1;b>=0;b-=1){h={lower:j.period*b,upper:j.period*(b+1)};h.upper=b===l-1?360:h.upper;if(k>=Math.floor(h.lower)&&k<Math.ceil(h.upper)){if(l===2&&k===360){d.animateToDelta.apply(i,[180,e,f,g])}else{d.animateBearingToFocus.apply(i,[h.upper,e,f,g])}break}}}}})},animateToNearestChild:function(b,c,e){e=e||function(){};if(a.isFunction(c)){e=c;c=null}else if(a.isFunction(b)){e=b;b=null}return this.each(function(){var f=d.getNearestChild.apply(a(this));d.animateToChild.apply(a(this),[f,b,c,e])})},animateToChild:function(b,c,e,f){f=f||function(){};if(a.isFunction(e)){f=e;e=null}else if(a.isFunction(c)){f=c;c=null}return this.each(function(){var g,h=a(this),i=h.data("roundabout");if(i.childInFocus!==b&&!i.animating){g=h.children(i.childSelector).eq(b);d.animateBearingToFocus.apply(h,[g.data("roundabout").degrees,c,e,f])}})},animateToNextChild:function(a,b,c){return d.animateToNearbyChild.apply(this,[arguments,"next"])},animateToPreviousChild:function(a,b,c){return d.animateToNearbyChild.apply(this,[arguments,"previous"])},animateToDelta:function(b,c,e,f){f=f||function(){};if(a.isFunction(e)){f=e;e=null}else if(a.isFunction(c)){f=c;c=null}return this.each(function(){var g=a(this).data("roundabout").bearing+b;d.animateToBearing.apply(a(this),[g,c,e,f])})},animateBearingToFocus:function(b,c,e,f){f=f||function(){};if(a.isFunction(e)){f=e;e=null}else if(a.isFunction(c)){f=c;c=null}return this.each(function(){var g=a(this).data("roundabout").bearing-b;g=Math.abs(360-g)<Math.abs(g)?360-g:-g;g=g>180?-(360-g):g;if(g!==0){d.animateToDelta.apply(a(this),[g,c,e,f])}})},stopAnimation:function(){return this.each(function(){a(this).data("roundabout").stopAnimation=true})},allowAnimation:function(){return this.each(function(){a(this).data("roundabout").stopAnimation=false})},startAutoplay:function(b){return this.each(function(){var c=a(this),e=c.data("roundabout");b=b||e.autoplayCallback||function(){};clearInterval(e.autoplayInterval);e.autoplayInterval=setInterval(function(){d.animateToNextChild.apply(c,[b])},e.autoplayDuration);e.autoplayIsRunning=true;c.trigger("autoplayStart")})},stopAutoplay:function(b){return this.each(function(){clearInterval(a(this).data("roundabout").autoplayInterval);a(this).data("roundabout").autoplayInterval=null;a(this).data("roundabout").autoplayIsRunning=false;if(!b){a(this).unbind(".autoplay")}a(this).trigger("autoplayStop")})},toggleAutoplay:function(b){return this.each(function(){var c=a(this),e=c.data("roundabout");b=b||e.autoplayCallback||function(){};if(!d.isAutoplaying.apply(a(this))){d.startAutoplay.apply(a(this),[b])}else{d.stopAutoplay.apply(a(this),[b])}})},isAutoplaying:function(){return this.data("roundabout").autoplayIsRunning},changeAutoplayDuration:function(b){return this.each(function(){var c=a(this),e=c.data("roundabout");e.autoplayDuration=b;if(d.isAutoplaying.apply(c)){d.stopAutoplay.apply(c);setTimeout(function(){d.startAutoplay.apply(c)},10)}})},normalize:function(a){var b=a%360;return b<0?360+b:b},normalizeRad:function(a){while(a<0){a+=Math.PI*2}while(a>Math.PI*2){a-=Math.PI*2}return a},isChildBackDegreesBetween:function(b,c){var d=a(this).data("roundabout").backDegrees;if(b>c){return d>=c&&d<b}else{return d<c&&d>=b}},getAnimateToMethod:function(a){a=a.toLowerCase();if(a==="next"){return"animateToNextChild"}else if(a==="previous"){return"animateToPreviousChild"}return"animateToNearestChild"},relayoutChildren:function(){return this.each(function(){var b=a(this),c=a.extend({},b.data("roundabout"));c.startingChild=b.data("roundabout").childInFocus;d.init.apply(b,[c,null,true])})},getNearestChild:function(){var b=a(this),c=b.data("roundabout"),d=b.children(c.childSelector).length;if(!c.reflect){return(d-Math.round(c.bearing/c.period)%d)%d}else{return Math.round(c.bearing/c.period)%d}},degToRad:function(a){return d.normalize.apply(null,[a])*Math.PI/180},getPlacement:function(a){var b=this.data("roundabout");return!b.reflect?360-b.period*a:b.period*a},isInFocus:function(a){var b,c=this,e=c.data("roundabout"),f=d.normalize.apply(null,[e.bearing]);a=d.normalize.apply(null,[a]);b=Math.abs(f-a);return b<=e.floatComparisonThreshold||b>=360-e.floatComparisonThreshold}};a.fn.roundabout=function(b){if(d[b]){return d[b].apply(this,Array.prototype.slice.call(arguments,1))}else if(typeof b==="object"||a.isFunction(b)||!b){return d.init.apply(this,arguments)}else{a.error("Method "+b+" does not exist for jQuery.roundabout.")}}})(jQuery)