11 lines
6.4 KiB
JavaScript
11 lines
6.4 KiB
JavaScript
/*!
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* jQuery UI Position 1.11.2
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* http://jqueryui.com
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*
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* Copyright 2014 jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/position/
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*/
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!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):a(jQuery)}(function(a){return function(){function b(a,b,c){return[parseFloat(a[0])*(n.test(a[0])?b/100:1),parseFloat(a[1])*(n.test(a[1])?c/100:1)]}function c(b,c){return parseInt(a.css(b,c),10)||0}function d(b){var c=b[0];return 9===c.nodeType?{width:b.width(),height:b.height(),offset:{top:0,left:0}}:a.isWindow(c)?{width:b.width(),height:b.height(),offset:{top:b.scrollTop(),left:b.scrollLeft()}}:c.preventDefault?{width:0,height:0,offset:{top:c.pageY,left:c.pageX}}:{width:b.outerWidth(),height:b.outerHeight(),offset:b.offset()}}a.ui=a.ui||{};var e,f,g=Math.max,h=Math.abs,i=Math.round,j=/left|center|right/,k=/top|center|bottom/,l=/[\+\-]\d+(\.[\d]+)?%?/,m=/^\w+/,n=/%$/,o=a.fn.position;a.position={scrollbarWidth:function(){if(void 0!==e)return e;var b,c,d=a("<div style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>"),f=d.children()[0];return a("body").append(d),b=f.offsetWidth,d.css("overflow","scroll"),c=f.offsetWidth,b===c&&(c=d[0].clientWidth),d.remove(),e=b-c},getScrollInfo:function(b){var c=b.isWindow||b.isDocument?"":b.element.css("overflow-x"),d=b.isWindow||b.isDocument?"":b.element.css("overflow-y"),e="scroll"===c||"auto"===c&&b.width<b.element[0].scrollWidth,f="scroll"===d||"auto"===d&&b.height<b.element[0].scrollHeight;return{width:f?a.position.scrollbarWidth():0,height:e?a.position.scrollbarWidth():0}},getWithinInfo:function(b){var c=a(b||window),d=a.isWindow(c[0]),e=!!c[0]&&9===c[0].nodeType;return{element:c,isWindow:d,isDocument:e,offset:c.offset()||{left:0,top:0},scrollLeft:c.scrollLeft(),scrollTop:c.scrollTop(),width:d||e?c.width():c.outerWidth(),height:d||e?c.height():c.outerHeight()}}},a.fn.position=function(e){if(!e||!e.of)return o.apply(this,arguments);e=a.extend({},e);var n,p,q,r,s,t,u=a(e.of),v=a.position.getWithinInfo(e.within),w=a.position.getScrollInfo(v),x=(e.collision||"flip").split(" "),y={};return t=d(u),u[0].preventDefault&&(e.at="left top"),p=t.width,q=t.height,r=t.offset,s=a.extend({},r),a.each(["my","at"],function(){var a,b,c=(e[this]||"").split(" ");1===c.length&&(c=j.test(c[0])?c.concat(["center"]):k.test(c[0])?["center"].concat(c):["center","center"]),c[0]=j.test(c[0])?c[0]:"center",c[1]=k.test(c[1])?c[1]:"center",a=l.exec(c[0]),b=l.exec(c[1]),y[this]=[a?a[0]:0,b?b[0]:0],e[this]=[m.exec(c[0])[0],m.exec(c[1])[0]]}),1===x.length&&(x[1]=x[0]),"right"===e.at[0]?s.left+=p:"center"===e.at[0]&&(s.left+=p/2),"bottom"===e.at[1]?s.top+=q:"center"===e.at[1]&&(s.top+=q/2),n=b(y.at,p,q),s.left+=n[0],s.top+=n[1],this.each(function(){var d,j,k=a(this),l=k.outerWidth(),m=k.outerHeight(),o=c(this,"marginLeft"),t=c(this,"marginTop"),z=l+o+c(this,"marginRight")+w.width,A=m+t+c(this,"marginBottom")+w.height,B=a.extend({},s),C=b(y.my,k.outerWidth(),k.outerHeight());"right"===e.my[0]?B.left-=l:"center"===e.my[0]&&(B.left-=l/2),"bottom"===e.my[1]?B.top-=m:"center"===e.my[1]&&(B.top-=m/2),B.left+=C[0],B.top+=C[1],f||(B.left=i(B.left),B.top=i(B.top)),d={marginLeft:o,marginTop:t},a.each(["left","top"],function(b,c){a.ui.position[x[b]]&&a.ui.position[x[b]][c](B,{targetWidth:p,targetHeight:q,elemWidth:l,elemHeight:m,collisionPosition:d,collisionWidth:z,collisionHeight:A,offset:[n[0]+C[0],n[1]+C[1]],my:e.my,at:e.at,within:v,elem:k})}),e.using&&(j=function(a){var b=r.left-B.left,c=b+p-l,d=r.top-B.top,f=d+q-m,i={target:{element:u,left:r.left,top:r.top,width:p,height:q},element:{element:k,left:B.left,top:B.top,width:l,height:m},horizontal:0>c?"left":b>0?"right":"center",vertical:0>f?"top":d>0?"bottom":"middle"};l>p&&h(b+c)<p&&(i.horizontal="center"),m>q&&h(d+f)<q&&(i.vertical="middle"),i.important=g(h(b),h(c))>g(h(d),h(f))?"horizontal":"vertical",e.using.call(this,a,i)}),k.offset(a.extend(B,{using:j}))})},a.ui.position={fit:{left:function(a,b){var c,d=b.within,e=d.isWindow?d.scrollLeft:d.offset.left,f=d.width,h=a.left-b.collisionPosition.marginLeft,i=e-h,j=h+b.collisionWidth-f-e;b.collisionWidth>f?i>0&&0>=j?(c=a.left+i+b.collisionWidth-f-e,a.left+=i-c):a.left=j>0&&0>=i?e:i>j?e+f-b.collisionWidth:e:i>0?a.left+=i:j>0?a.left-=j:a.left=g(a.left-h,a.left)},top:function(a,b){var c,d=b.within,e=d.isWindow?d.scrollTop:d.offset.top,f=b.within.height,h=a.top-b.collisionPosition.marginTop,i=e-h,j=h+b.collisionHeight-f-e;b.collisionHeight>f?i>0&&0>=j?(c=a.top+i+b.collisionHeight-f-e,a.top+=i-c):a.top=j>0&&0>=i?e:i>j?e+f-b.collisionHeight:e:i>0?a.top+=i:j>0?a.top-=j:a.top=g(a.top-h,a.top)}},flip:{left:function(a,b){var c,d,e=b.within,f=e.offset.left+e.scrollLeft,g=e.width,i=e.isWindow?e.scrollLeft:e.offset.left,j=a.left-b.collisionPosition.marginLeft,k=j-i,l=j+b.collisionWidth-g-i,m="left"===b.my[0]?-b.elemWidth:"right"===b.my[0]?b.elemWidth:0,n="left"===b.at[0]?b.targetWidth:"right"===b.at[0]?-b.targetWidth:0,o=-2*b.offset[0];0>k?(c=a.left+m+n+o+b.collisionWidth-g-f,(0>c||c<h(k))&&(a.left+=m+n+o)):l>0&&(d=a.left-b.collisionPosition.marginLeft+m+n+o-i,(d>0||h(d)<l)&&(a.left+=m+n+o))},top:function(a,b){var c,d,e=b.within,f=e.offset.top+e.scrollTop,g=e.height,i=e.isWindow?e.scrollTop:e.offset.top,j=a.top-b.collisionPosition.marginTop,k=j-i,l=j+b.collisionHeight-g-i,m="top"===b.my[1],n=m?-b.elemHeight:"bottom"===b.my[1]?b.elemHeight:0,o="top"===b.at[1]?b.targetHeight:"bottom"===b.at[1]?-b.targetHeight:0,p=-2*b.offset[1];0>k?(d=a.top+n+o+p+b.collisionHeight-g-f,a.top+n+o+p>k&&(0>d||d<h(k))&&(a.top+=n+o+p)):l>0&&(c=a.top-b.collisionPosition.marginTop+n+o+p-i,a.top+n+o+p>l&&(c>0||h(c)<l)&&(a.top+=n+o+p))}},flipfit:{left:function(){a.ui.position.flip.left.apply(this,arguments),a.ui.position.fit.left.apply(this,arguments)},top:function(){a.ui.position.flip.top.apply(this,arguments),a.ui.position.fit.top.apply(this,arguments)}}},function(){var b,c,d,e,g,h=document.getElementsByTagName("body")[0],i=document.createElement("div");b=document.createElement(h?"div":"body"),d={visibility:"hidden",width:0,height:0,border:0,margin:0,background:"none"},h&&a.extend(d,{position:"absolute",left:"-1000px",top:"-1000px"});for(g in d)b.style[g]=d[g];b.appendChild(i),c=h||document.documentElement,c.insertBefore(b,c.firstChild),i.style.cssText="position: absolute; left: 10.7432222px;",e=a(i).offset().left,f=e>10&&11>e,b.innerHTML="",c.removeChild(b)}()}(),a.ui.position}); |