2012-04-17 16:34:45 -04:00
|
|
|
(function(a,b){a.ui=a.ui||{};var c=/left|center|right/,d=/top|center|bottom/,e="center",f={},g=a.fn.position,h=a.fn.offset;a.fn.position=function(b){if(!b||!b.of)return g.apply(this,arguments);b=a.extend({},b);var h=a(b.of),i=h[0],j=(b.collision||"flip").split(" "),k=b.offset?b.offset.split(" "):[0,0],l,m,n;return i.nodeType===9?(l=h.width(),m=h.height(),n={top:0,left:0}):i.setTimeout?(l=h.width(),m=h.height(),n={top:h.scrollTop(),left:h.scrollLeft()}):i.preventDefault?(b.at="left top",l=m=0,n={top:b.of.pageY,left:b.of.pageX}):(l=h.outerWidth(),m=h.outerHeight(),n=h.offset()),a.each(["my","at"],function(){var a=(b[this]||"").split(" ");a.length===1&&(a=c.test(a[0])?a.concat([e]):d.test(a[0])?[e].concat(a):[e,e]),a[0]=c.test(a[0])?a[0]:e,a[1]=d.test(a[1])?a[1]:e,b[this]=a}),j.length===1&&(j[1]=j[0]),k[0]=parseInt(k[0],10)||0,k.length===1&&(k[1]=k[0]),k[1]=parseInt(k[1],10)||0,b.at[0]==="right"?n.left+=l:b.at[0]===e&&(n.left+=l/2),b.at[1]==="bottom"?n.top+=m:b.at[1]===e&&(n.top+=m/2),n.left+=k[0],n.top+=k[1],this.each(function(){var c=a(this),d=c.outerWidth(),g=c.outerHeight(),h=parseInt(a.curCSS(this,"marginLeft",!0))||0,i=parseInt(a.curCSS(this,"marginTop",!0))||0,o=d+h+(parseInt(a.curCSS(this,"marginRight",!0))||0),p=g+i+(parseInt(a.curCSS(this,"marginBottom",!0))||0),q=a.extend({},n),r;b.my[0]==="right"?q.left-=d:b.my[0]===e&&(q.left-=d/2),b.my[1]==="bottom"?q.top-=g:b.my[1]===e&&(q.top-=g/2),f.fractions||(q.left=Math.round(q.left),q.top=Math.round(q.top)),r={left:q.left-h,top:q.top-i},a.each(["left","top"],function(c,e){a.ui.position[j[c]]&&a.ui.position[j[c]][e](q,{targetWidth:l,targetHeight:m,elemWidth:d,elemHeight:g,collisionPosition:r,collisionWidth:o,collisionHeight:p,offset:k,my:b.my,at:b.at})}),a.fn.bgiframe&&c.bgiframe(),c.offset(a.extend(q,{using:b.using}))})},a.ui.position={fit:{left:function(b,c){var d=a(window),e=c.collisionPosition.left+c.collisionWidth-d.width()-d.scrollLeft();b.left=e>0?b.left-e:Math.max(b.left-c.collisionPosition.left,b.left)},top:function(b,c){var d=a(window),e=c.collisionPosition.top+c.collisionHeight-d.height()-d.scrollTop();b.top=e>0?b.top-e:Math.max(b.top-c.collisionPosition.top,b.top)}},flip:{left:function(b,c){if(c.at[0]===e)return;var d=a(window),f=c.collisionPosition.left+c.collisionWidth-d.width()-d.scrollLeft(),g=c.my[0]==="left"?-c.elemWidth:c.my[0]==="right"?c.elemWidth:0,h=c.at[0]==="left"?c.targetWidth:-c.targetWidth,i=-2*c.offset[0];b.left+=c.collisionPosition.left<0?g+h+i:f>0?g+h+i:0},top:function(b,c){if(c.at[1]===e)return;var d=a(window),f=c.collisionPosition.top+c.collisionHeight-d.height()-d.scrollTop(),g=c.my[1]==="top"?-c.elemHeight:c.my[1]==="bottom"?c.elemHeight:0,h=c.at[1]==="top"?c.targetHeight:-c.targetHeight,i=-2*c.offset[1];b.top+=c.collisionPosition.top<0?g+h+i:f>0?g+h+i:0}}},a.offset.setOffset||(a.offset.setOffset=function(b,c){/static/.test(a.curCSS(b,"position"))&&(b.style.position="relative");var d=a(b),e=d.offset(),f=parseInt(a.curCSS(b,"top",!0),10)||0,g=parseInt(a.curCSS(b,"left",!0),10)||0,h={top:c.top-e.top+f,left:c.left-e.left+g};"using"in c?c.using.call(b,h):d.css(h)},a.fn.offset=function(b){var c=this[0];return!c||!c.ownerDocument?null:b?this.each(function(){a.offset.setOffset(this,b)}):h.call(this)}),function(){var b=document.getElementsByTagName("body")[0],c=document.createElement("div"),d,e,g,h,i;d=document.createElement(b?"div":"body"),g={visibility:"hidden",width:0,height:0,border:0,margin:0,background:"none"},b&&a.extend(g,{position:"absolute",left:"-1000px",top:"-1000px"});for(var j in g)d.style[j]=g[j];d.appendChild(c),e=b||document.documentElement,e.insertBefore(d,e.firstChild),c.style.cssText="position: absolute; left: 10.7432222px; top: 10.432325px; height: 30px; width: 201px;",h=a(c).offset(function(a,b){return b}).offset(),d.innerHTML="",e.removeChild(d),i=h.top+h.left+(b?2e3:0),f.fractions=i>21&&i<22}()})(jQuery);
|
