(function(a){a.widget("ui.rcarousel",{_create:function(){var c=this,d=c.options,e=a(this.element),b;d.structure=c._createStructureObject();b=d.structure;c._checkOptionsValidity(c.options);if(a(e).children("div.wrapper").length===1){if(a(e).children("div.wrapper").find("ul > li").length<1){throw new Error("Inside DIV.wrapper you should have placed UL element with at least one LI element")}else{c._configure(true)}}else{if(a(e).children("div.wrapper").length>1){throw new Error("You are not allowed to use more than one div.wrapper in carousel's container!")}else{if(a(e).children("div.wrapper").length<1){c._configure(false)}}}c._trigger("start",null,null)},_autoMode:function(e){var c=this,d=c.options,b=d.structure;if(e==="next"){b.autoModeInterval=setInterval(function(){c.next()},d.auto.interval)}else{b.autoModeInterval=setInterval(function(){c.prev()},d.auto.interval)}},_checkOptionsValidity:function(d){var c=this,g="",f,b,e;for(f in d){b=d[f];switch(f){case"visible":if(typeof b!=="number"||b<=0||(Math.ceil(b)-b>0)){throw new Error("visible should be defined as a positive integer number!")}break;case"step":if(b&&typeof b!=="number"||b<=0){throw new Error("step should be a positive number")}else{if(b<1||b>d.visible){for(e=1;e<=Math.floor(d.visible);e++){g+=(e<Math.floor(b))?e+", ":e}throw new Error("Only following mode.step values are correct: "+g)}}break;case"width":if(b&&(isNaN(b)||typeof b!=="number"||b<=0||(Math.ceil(b)-b>0))){throw new Error("width should be a positive integer number!")}break;case"height":if(b&&(isNaN(b)||typeof b!=="number"||b<=0||(Math.ceil(b)-b>0))){throw new Error("height should be a positive number!")}break;case"speed":if(!b&&b!==0){throw new Error("speed should be defined as a number or a string")}if(typeof b==="number"&&b<0){throw new Error("speed should be a positive number")}else{if(typeof b==="string"&&!(b==="slow"||b==="normal"||b==="fast")){throw new Error('Only "slow", "normal" and "fast" values are valid')}}break;case"remote":if(!b||!(typeof b==="object")){throw new Error("remote should be defined as object with path and format properties in it!")}if(!(typeof b.path==="string")){throw new Error("remote.path should be defined as string!")}if(!(typeof b.format==="string")){throw new Error("remote.format should be defined as a string!")}else{if(!(b.format==="json"||b.format==="xml")){throw new Error("remote.format: '"+b.format+"' is not valid. Only remote.format: 'json' and remote.format: 'xml' are valid!")}}break;case"navigation":if(!b||typeof b!=="object"){throw new Error("navigation should be defined as object with at least one of the properties: 'prev' or 'next' in it!")}if(b.prev&&typeof b.prev!=="string"){throw new Error("navigation.prev should be defined as a string and points to '.class' or '#id' of an element")}if(b.next&&typeof b.next!=="string"){throw new Error("navigation.next should be defined as a string and points to '.class' or '#id' of an element")}break;case"auto":if(typeof b.direction!=="string"){throw new Error("direction should be defined as a string")}if(!(b.direction==="next"||b.direction==="prev")){throw new Error("direction: only 'right' and 'left' values are valid")}if(isNaN(b.interval)||typeof b.interval!=="number"||b.interval<0||(Math.ceil(b.interval)-b.interval>0)){throw new Error("interval should be a positive number!")}break;case"margin":if(isNaN(b)||typeof b!=="number"||b<0||(Math.ceil(b)-b>0)){throw new Error("margin should be a positive number!")}break}}},_configure:function(c){var d=this,e=d.options,b=e.structure;if(c){d._setStructure();d._loadElements();b.hardcoded=true}else{d._createStructure();d.load();b.hardcoded=false}d._setCarouselWidth();d._setCarouselHeight();d._setEventHandlers("next");d._setEventHandlers("prev");d._setStep();if(e.auto.enabled){d._autoMode(e.auto.direction)}},_createNewElement:function(g,e){var c=this,d=c.options,b=d.structure,f=a("<li></li>");a(f).width(d.width).height(d.height).addClass("ui-rcarousel-loader");if(d.orientation==="horizontal"){a(f).css("marginRight",d.margin)}else{a(f).css({marginBottom:d.margin,"float":"none"})}c._loadElement(g,function(h){a(f).removeClass("ui-rcarousel-loader").append(h)});if(e==="prev"){a(b.list).prepend(f)}else{a(f).appendTo(b.list)}},_createStructure:function(){var c=this,d=c.options,b=d.structure,g=a(this.element),f,e;f=a("<div class='wrapper'></div>").appendTo(g);b.wrapper=f;e=a("<ul></ul>").appendTo(f);b.list=e},_createStructureObject:function(){var b=this;b.carousels[b.carousels.length]={paths:[],pathsLen:0,pages:[],firstPage:[],oldPageIndex:0,pageIndex:0,navigation:{},animated:false};return b.carousels[b.carousels.length-1]},_generatePages:function(){var c=this,d=c.options,b=d.structure;function g(){var j;b.pages=[];b.firstPage=[];b.pageIndex=d.startAtPage;b.pages[0]=[];for(j=0;j<d.visible;j++){b.pages[0][b.pages[0].length]=b.paths[j];b.firstPage[j]=b.paths[j]}}function f(l){var j=false,k;for(k=0;k<b.firstPage.length;k++){if(b.firstPage[k]===l[k]){j=true}else{j=false;break}}return j}function e(n,j,l){var m=l||b.pages.length,k;if(!l){b.pages[m]=[]}for(k=n;k<j;k++){b.pages[m].push(b.paths[k])}return m}function h(){var i=b.paths.length,o=true,l=false,k=d.step,j,n,m;while(!f(b.pages[b.pages.length-1])||o){o=false;j=k+d.visible;if(j>i){j=i}if(j-k<d.visible){l=true}else{l=false}if(l){n=e(k,j);e(0,d.visible-(j-k),n);m=false;if(k+d.step>=i){k=0-(j-k)+d.step;m=true}}else{e(k,j);m=false;if(k+d.step>=i){k=0;m=true}}if(!m){k+=d.step;m=false}}b.pages.length-=1;if(d.startAtPage<=0){d.startAtPage=b.oldPageIndex=b.pageIndex=0}else{if(d.startAtPage>b.pages.length-1){d.startAtPage=b.oldPageIndex=b.pageIndex=b.pages.length-1}else{b.oldPageIndex=b.pageIndex=d.startAtPage}}}g();h()},getTotalPages:function(){var c=this,d=c.options,b=d.structure;return b.pages.length},goToPage:function(f){var d=this,e=d.options,b=e.structure,c;if(!b.animated&&f!==b.pageIndex){b.animated=true;if(f>b.pages.length-1){f=b.pages.length-1}else{if(f<0){f=0}}b.pageIndex=f;c=f-b.oldPageIndex;if(c>=0){d._goToNextPage(c)}else{d._goToPrevPage(c)}b.oldPageIndex=f}},load:function(i){var d=this,e=d.options,c=e.structure,g,f,b,h;if(i){d._checkOptionsValidity({remote:i})}g=i||{};f=g.path||e.remote.path;b=g.format||e.remote.format;a(c.list).empty();c.paths.length=0;c.hardcoded=false;if(b==="json"){a.getJSON(f,function(j){a.each(j.paths,function(k,l){c.paths.push(l)});if(c.paths.length<e.visible){throw new Error("At least "+e.visible+" elements are required")}d._generatePages();d._loadElements()})}else{if(b==="xml"){a.get(f,function(j){h=a(j).find("path");a.each(h,function(k,l){c.paths.push(a(l).text())});if(c.paths.length<e.visible){throw new Error("At least "+e.visible+" elements are required")}d._generatePages();d._loadElements()})}}},_loadElement:function(e,f){var c=new Image(),d;c.src=e;function b(){if(c.complete){clearInterval(d);if(f){f(c)}}}d=setInterval(b,100)},_loadElements:function(b,h){var j=this,l=j.options,d=l.structure,f=h||"next",k=b||d.pages[l.startAtPage],c=0,g=k.length,e=0;if(f==="next"){for(e=c;e<g;e++){j._createNewElement(k[e],f)}}else{for(e=g-1;e>=c;e--){j._createNewElement(k[e],f)}}},_goToPrevPage:function(h){var n=this,o=n.options,b=o.structure,c,g,e,f,k,d,j,l,m;k=b.oldPageIndex+h;c=b.pages[k].slice(0);g=b.pages[b.oldPageIndex];j=c[c.length-1];for(f=g.length-1;f>=0;f--){if(j===g[f]){l=false;m=f;break}else{l=true}}if(!l){while(m>=0){if(c[c.length-1]===g[m]){c.pop()}--m}}n._loadElements(c,"prev");e=o.width*c.length+(o.margin*c.length);if(o.orientation==="horizontal"){d={scrollLeft:0};a(b.wrapper).scrollLeft(e)}else{d={scrollTop:0};a(b.wrapper).scrollTop(e)}a(b.wrapper).animate(d,o.speed,function(){n._removeOldElements("last",c.length);b.animated=false;if(o.auto.enabled){clearInterval(b.autoModeInterval);n._autoMode(o.auto.direction)}n._trigger("pageLoaded",null,{page:k})})},_goToNextPage:function(j){var n=this,o=n.options,c=o.structure,d,h,f,g,k,e,b,l,m;k=c.oldPageIndex+j;d=c.pages[k].slice(0);h=c.pages[c.oldPageIndex];b=d[0];for(g=0;g<d.length;g++){if(b===h[g]){l=false;m=g;break}else{l=true}}if(!l){while(m<h.length){if(d[0]===h[m]){d.shift()}++m}}n._loadElements(d,"next");f=o.width*d.length+(o.margin*d.length);e=o.orientation==="horizontal"?{scrollLeft:"+="+f}:{scrollTop:"+="+f};a(c.wrapper).animate(e,o.speed,function(){n._removeOldElements("first",d.length);if(o.orientation==="horizontal"){a(c.wrapper).scrollLeft(0)}else{a(c.wrapper).scrollTop(0)}c.animated=false;if(o.auto.enabled){clearInterval(c.autoModeInterval);n._autoMode(o.auto.direction)}n._trigger("pageLoaded",null,{page:k})})},next:function(){var c=this,d=c.options,b=d.structure;if(!b.animated){b.animated=true;++b.pageIndex;if(b.pageIndex>b.pages.length-1){b.pageIndex=0}c._goToNextPage(b.pageIndex-b.oldPageIndex);b.oldPageIndex=b.pageIndex}},prev:function(){var c=this,d=c.options,b=d.structure;if(!b.animated){b.animated=true;--b.pageIndex;if(b.pageIndex<0){b.pageIndex=b.pages.length-1}c._goToPrevPage(b.pageIndex-b.oldPageIndex);b.oldPageIndex=b.pageIndex}},_removeOldElements:function(b,j){var f=this,g=f.options,e=g.structure,h,d,c;for(h=0;h<j;h++){if(b==="first"){a("li",e.list).eq(0).remove()}else{d=a("li",e.list);c=a(d).length;a(d).eq(c-1).remove()}}},_setOption:function(e,g){var c=this,d=c.options,b=d.structure,f;switch(e){case"step":c._checkOptionsValidity({step:g});c._setStep(g);c._generatePages();a(b.list).empty();c._loadElements();a.Widget.prototype._setOption.apply(this,arguments);break;case"speed":c._checkOptionsValidity({speed:g});d.speed=g;a.Widget.prototype._setOption.apply(this,arguments);break;case"navigation":c._checkOptionsValidity({navigation:g});if(g.next){c._setEventHandlers("next")}if(g.prev){c._setEventHandlers("prev")}a.Widget.prototype._setOption.apply(this,arguments);break;case"auto":f=a.extend(d.auto,g);c._checkOptionsValidity({auto:f});if(d.auto.enabled){c._autoMode(d.auto.direction)}else{clearInterval(b.autoModeInterval)}}},_setStep:function(f){var c=this,d=c.options,b=d.structure,e;e=f||d.step;d.step=e;b.step=d.width*e},_setStructure:function(){var c=this,h=a(this.element),d=c.options,b=d.structure,f,g,e;b.wrapper=a("div.wrapper",h);b.list=a("ul",b.wrapper);f=a("li",b.list);if(f.length<d.visible){throw new Error("At least "+d.visible+" elements are required")}for(e=f.length-1;e>=0;e--){f=a("li",b.list);g=a(f).eq(f.length-1);a(g).remove();b.paths.unshift(a("img",g).attr("src"))}c._generatePages();b.navigation.next=a(d.navigation.next);b.navigation.prev=a(d.navigation.prev)},_setCarouselHeight:function(){var d=this,e=d.options,c=e.structure,b;b=(e.orientation==="vertical")?e.visible*e.height+e.margin*(e.visible-1):e.height;a(c.wrapper).height(b)},_setCarouselWidth:function(){var c=this,d=c.options,b=d.structure,e;e=(d.orientation==="horizontal")?d.visible*d.width+d.margin*(d.visible-1):d.width;a(b.wrapper).css({width:e,overflow:"hidden"})},_setEventHandlers:function(d){var b=this,c=b.options;if(d==="next"){a(c.navigation.next).click(function(){b.next()})}if(d==="prev"){a(c.navigation.prev).click(function(){b.prev()})}},options:{visible:3,step:3,width:279,height:102,speed:1000,margin:0,orientation:"horizontal",structure:null,auto:{enabled:false,direction:"next",interval:2000},startAtPage:0,navigation:{next:"#ui-rcarousel-next",prev:"#ui-rcarousel-prev"}},carousels:[]})}(jQuery));