/* Copyright 2010 British Broadcasting Corporation Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ Glow.provide(function(d){var b=d.NodeList,a=b.prototype,c;a.focusable=function(e){return new d.ui.Focusable(this,e);};});Glow.provide(function(a){a.ui=a.ui||{};});Glow.provide(function(b){function a(){}b.util.extend(a,b.events.Target);b.ui.Behaviour=a;});Glow.provide(function(l){var j,s,h=[],n,m,w=l(document),b=false;w.on("blur",function(A){n=j;if(h.length){setTimeout(k,0);}}).on("focus",function(A){if(m&&!m.container.contains(A.source)){(m.activeChild[0]||m.container[0]).focus();return false;}n=A.source;if(b){return;}b=true;d();setTimeout(p,0);});function p(){b=false;}function k(){!n&&d();}function d(){var B=h.slice(0),A=B.length;while(A--){B[A].active((n&&B[A].container.contains(n)&&n)||false);}}function u(A){A.children=A.container.get(A._opts.children);l(A.children).push(A.container).prop("tabIndex",-1);}function x(A,B){return function(C){switch(C.key){case"up":return 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a(w){var y={size:0,count:0},x=w.items.length%w._step;if(w._opts.page&&w._step>1){y.count=x?w._spot.capacity-x:0;y.size=y.count*w._itemDimensions[w._geom[0]];}return y;}b._bind=function(){var w=this;h._bind.call(w);q(w,w._focusable,"childActivate",function(A){var z=A.itemIndex,y=w.spotlightIndexes(true),x=(" "+y.join(" ")+" ").indexOf(" "+z+" ")>-1;if(z!==e&&!x){w.moveTo(z,{tween:""});w._index=z;}});this._focusable.on("select",function(x){x.itemIndex=x.item.data("itemIndex");w.fire("select",x);});};function q(w,z,x,y){z.on(x,y);w._addedEvents=w._addedEvents||[];w._addedEvents.push({target:z,name:x,handler:y});}function i(w){var x=w._addedEvents?w._addedEvents.length:0,y;while(x--){y=w._addedEvents[x];y.target.detach(y.name,y.handler);}}b.updateUi=function(){h._updateUi.call(this);this.stage.css({width:this.stage.width()+this._wingSize*2,height:"100%"});this._spot=s._getSpot(this._viewport.width(),this.items,this._itemDimensions,this._opts);if(this._opts.step===true){this._step=this._spot.capacity;}t.call(this);this._index=0;this.fire("updateUi",{});};b.moveStop=function(){this._gliderBrake=true;};b.moveStart=function(x){var y=(x?-1:1)*this._step,w=this;if(!w._inMotion){w._gliderBrake=false;w.moveTo(w._index+y,{callback:function(){if(!w._gliderBrake){if(w._opts.loop||((x&&w._index>0)||(!x&&w._index+w._spot.capacity=this.items.length||y<0){continue;}z.push(y);}return z;};b.spotlightItems=function(){var x=f(),y=this.spotlightIndexes();for(var z=0,w=y.length;zthis.items.length-this._spot.capacity){z=this.items.length-this._spot.capacity+(this._opts.page?this._gap.count:0);}else{if(!this._opts.loop&&z<0){z=0;}}x=(z!==this._index&&c.call(this,z));if(!B.jump){var D=new f.events.Event({currentIndex:this._index,moveBy:(this._indexthis.items.length+this._step||z<0-this._step){z=this._index+(this._index=this.items.length){this.moveTo(this._index-(this.items.length+this._gap.count),{jump:true});}}}function k(y){var w;if(!this._opts.loop){return;}if(y){this._itemList.place();}else{for(var z=0,x=this._spot.capacity-this._gap.count;z=this.items.length){this._itemList.swap(w,w%this.items.length);}}}}b.moveBy=function(w){this.moveTo(this._index+w);return this;};b.next=function(){this.moveTo(this._index+this._step);return this;};b.prev=function(){this.moveTo(this._index-this._step);return this;};function c(w){if(this._opts.loop){return true;}if(w<0){return false;}if(w-this._step>=this.items.length-this._spot.capacity){return false;}return true;}function j(E){var z,x=0,y=0,F=0,G=0,B=0,D=0,A=0,w=0,C=0;E.each(function(){z=f(this);G=Math.max(this.offsetHeight,G);F=Math.max(this.offsetWidth,F);x=Math.max(z.width(),x);y=Math.max(z.height(),y);D=Math.max(g(z.css("margin-right")),D);A=Math.max(g(z.css("margin-left")),A);w=Math.max(g(z.css("margin-top")),w);C=Math.max(g(z.css("margin-bottom")),C);});B=Math.max(A,D);return{width:F+B,height:G+w+C,innerWidth:x,innerHeight:y,marginLeft:A,marginRight:D,marginTop:w,marginBottom:C};}function g(w){if(w==="auto"){return 0;}else{return parseInt(w);}}s._getSpot=function(w,x,y,A){var z={capacity:0,top:0,left:0,width:0,height:0,offset:{top:0,right:0,bottom:0,left:0}},A=A||{};if(!y){y=j(x);}if(A.axis="x"){if(x.length===0){z.capacity=0;}else{if(A.spotlight){if(A.spotlight>x.length){throw new Error("spotlight cannot be larger than item count.");}z.capacity=A.spotlight;}else{z.capacity=Math.floor(w/y.width);}}if(z.capacity>x.length){z.capacity=x.length;}z.width=z.capacity*y.width+Math.min(y.marginLeft,y.marginRight);z.height=y.height;z.offset.left=Math.floor((w-z.width)/2);z.offset.right=w-(z.offset.left+z.width);}else{throw Error("y axis (vertical) not yet implemented");}return z;};function u(x){position={top:0,left:0};var w=this._itemDimensions.width,y=this._spot.offset.left+this._wingSize+this._itemDimensions.marginLeft,z=0;if(this._opts.page&&x<0){z=-(1+Math.floor(Math.abs(x+this._gap.count)/this.items.length))*this._gap.count*w;}else{if(this._opts.page&&x>=this.items.length){z=Math.floor(x/this.items.length)*this._gap.count*w;}}position.left=y+(x*w)+z;position.top=this._itemDimensions.marginTop;return position;}function t(){var B,A;this.content[0].scrollLeft=this._wingSize;for(var y=0,x=this.items.length;y").parent());s=this.content;t=this._pane=new k.ui.CarouselPane(p,this._opts);q=t._spot;o=this.items=t.items;this.itemContainer=t.itemContainer;t.moveTo(0,{tween:null});this._prevBtn=k('
    ').prependTo(s).css({width:q.offset.left,height:q.height});this._nextBtn=k('
    ').prependTo(s).css({width:q.offset.right,height:q.height});m(this);this._bind();};function m(q){if(q._opts.loop){return;}var o=q.spotlightIndexes(),s=o[o.length-1],p=q.items.length-1;q._prevBtn[(o[0]===0)?"addClass":"removeClass"]("Carousel-prev-disabled");q._nextBtn[(s===p)?"addClass":"removeClass"]("Carousel-next-disabled");}function a(o){this.fire("select",o);}function b(o){var p=this._pane;if(!this.fire("move",o).defaultPrevented()){this._updateNav((p._index+o.moveBy)%this.items.length/p._step);}}function f(o){if(!this.fire("afterMove",o).defaultPrevented()){m(this);}}function c(o){if(o.button===0){this._pane.moveStart(true);return false;}}function n(o){if(o.button===0){this._pane.moveStart();return false;}}function h(){this._pane.moveStop();}g._bind=function(){var p=this._pane,o=this;this._tie(p);p.on("select",a,this).on("afterMove",f,this).on("move",b,this);this._prevBtn.on("mousedown",c,this).on("mouseup",h,this).on("mouseleave",h,this);this._nextBtn.on("mousedown",n,this).on("mouseup",h,this).on("mouseleave",h,this);l._bind.call(this);};g.spotlightItems=function(){return this._pane.spotlightItems();};g.spotlightIndexes=function(){return this._pane.spotlightIndexes();};g.moveTo=function(p,o){this._pane.moveTo(p,o);return this;};function e(o){return function(){this._pane.moveBy(this._pane._step*o);return this;};}g.next=e(1);g.prev=e(-1);g.destroy=function(){this._pane.container.insertBefore(this.container);l.destroy.call(this);};k.ui.Carousel=i;});Glow.provide(function(f){var e,a=f.ui.Carousel.prototype;a.addPageNav=function(h){h=f.util.apply({position:"belowLast"},h);var g="Carousel-pageNav";if(h.useNumbers){g+="Numbers";}this._pageNav=f('
    ').delegate("click","div",d,this);this._pageNavOpts=h;b(this);return this;};function d(g){var h=(f(g.attachedTo).text()-1)*this._pane._step;this.moveTo(h);}function c(i){var j=i._pane,g=i.items.length,h=j._step;if(i._opts.loop){r=Math.ceil(g/h);}else{r=1+Math.ceil((g-j._spot.capacity)/h);}return Math.max(r,0);}function b(k){var h=k._pageNav,g=k._pageNavOpts.position,i=g.slice(0,5),j=g.slice(5),n=k._pane,m=c(k),l="";k.container[(i==="below")?"append":"prepend"](h);h.css("text-align",(j=="Middle")?"center":"right");if(j==="Last"){h.css("margin-right",k._nextBtn.width()+n._itemDimensions.marginRight);}do{l="
    "+m+"
    "+l;}while(--m);h.html(l);k._updateNav(n._index/n._step);}a._updateNav=function(g){if(this._pageNav){var h="active";this._pageNav.children().removeClass(h).item(g).addClass(h);}};});Glow.complete("ui","2.0.0b1");