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/wp-includes/js/jquery/ui/ -> position.min.js (source)

   1  /*!
   2   * jQuery UI Position 1.11.4
   3   * http://jqueryui.com
   4   *
   5   * Copyright jQuery Foundation and other contributors
   6   * Released under the MIT license.
   7   * http://jquery.org/license
   8   *
   9   * http://api.jqueryui.com/position/
  10   */
  11  !function(t){"function"==typeof define&&define.amd?define(["jquery"],t):t(jQuery)}(function(I){return function(){I.ui=I.ui||{};var n,H,x=Math.max,T=Math.abs,L=Math.round,o=/left|center|right/,l=/top|center|bottom/,f=/[\+\-]\d+(\.[\d]+)?%?/,s=/^\w+/,h=/%$/,i=I.fn.position;function P(t,i,e){return[parseFloat(t[0])*(h.test(t[0])?i/100:1),parseFloat(t[1])*(h.test(t[1])?e/100:1)]}function D(t,i){return parseInt(I.css(t,i),10)||0}I.position={scrollbarWidth:function(){if(void 0!==n)return n;var t,i,e=I("<div style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>"),o=e.children()[0];return I("body").append(e),t=o.offsetWidth,e.css("overflow","scroll"),t===(i=o.offsetWidth)&&(i=e[0].clientWidth),e.remove(),n=t-i},getScrollInfo:function(t){var i=t.isWindow||t.isDocument?"":t.element.css("overflow-x"),e=t.isWindow||t.isDocument?"":t.element.css("overflow-y"),o="scroll"===i||"auto"===i&&t.width<t.element[0].scrollWidth;return{width:"scroll"===e||"auto"===e&&t.height<t.element[0].scrollHeight?I.position.scrollbarWidth():0,height:o?I.position.scrollbarWidth():0}},getWithinInfo:function(t){var i=I(t||window),e=I.isWindow(i[0]),o=!!i[0]&&9===i[0].nodeType;return{element:i,isWindow:e,isDocument:o,offset:i.offset()||{left:0,top:0},scrollLeft:i.scrollLeft(),scrollTop:i.scrollTop(),width:e||o?i.width():i.outerWidth(),height:e||o?i.height():i.outerHeight()}}},I.fn.position=function(c){if(!c||!c.of)return i.apply(this,arguments);c=I.extend({},c);var d,a,g,u,m,t,w=I(c.of),W=I.position.getWithinInfo(c.within),v=I.position.getScrollInfo(W),y=(c.collision||"flip").split(" "),b={};return t=function(t){var i=t[0];return 9===i.nodeType?{width:t.width(),height:t.height(),offset:{top:0,left:0}}:I.isWindow(i)?{width:t.width(),height:t.height(),offset:{top:t.scrollTop(),left:t.scrollLeft()}}:i.preventDefault?{width:0,height:0,offset:{top:i.pageY,left:i.pageX}}:{width:t.outerWidth(),height:t.outerHeight(),offset:t.offset()}}(w),w[0].preventDefault&&(c.at="left top"),a=t.width,g=t.height,u=t.offset,m=I.extend({},u),I.each(["my","at"],function(){var t,i,e=(c[this]||"").split(" ");1===e.length&&(e=o.test(e[0])?e.concat(["center"]):l.test(e[0])?["center"].concat(e):["center","center"]),e[0]=o.test(e[0])?e[0]:"center",e[1]=l.test(e[1])?e[1]:"center",t=f.exec(e[0]),i=f.exec(e[1]),b[this]=[t?t[0]:0,i?i[0]:0],c[this]=[s.exec(e[0])[0],s.exec(e[1])[0]]}),1===y.length&&(y[1]=y[0]),"right"===c.at[0]?m.left+=a:"center"===c.at[0]&&(m.left+=a/2),"bottom"===c.at[1]?m.top+=g:"center"===c.at[1]&&(m.top+=g/2),d=P(b.at,a,g),m.left+=d[0],m.top+=d[1],this.each(function(){var e,t,f=I(this),s=f.outerWidth(),h=f.outerHeight(),i=D(this,"marginLeft"),o=D(this,"marginTop"),n=s+i+D(this,"marginRight")+v.width,l=h+o+D(this,"marginBottom")+v.height,r=I.extend({},m),p=P(b.my,f.outerWidth(),f.outerHeight());"right"===c.my[0]?r.left-=s:"center"===c.my[0]&&(r.left-=s/2),"bottom"===c.my[1]?r.top-=h:"center"===c.my[1]&&(r.top-=h/2),r.left+=p[0],r.top+=p[1],H||(r.left=L(r.left),r.top=L(r.top)),e={marginLeft:i,marginTop:o},I.each(["left","top"],function(t,i){I.ui.position[y[t]]&&I.ui.position[y[t]][i](r,{targetWidth:a,targetHeight:g,elemWidth:s,elemHeight:h,collisionPosition:e,collisionWidth:n,collisionHeight:l,offset:[d[0]+p[0],d[1]+p[1]],my:c.my,at:c.at,within:W,elem:f})}),c.using&&(t=function(t){var i=u.left-r.left,e=i+a-s,o=u.top-r.top,n=o+g-h,l={target:{element:w,left:u.left,top:u.top,width:a,height:g},element:{element:f,left:r.left,top:r.top,width:s,height:h},horizontal:e<0?"left":0<i?"right":"center",vertical:n<0?"top":0<o?"bottom":"middle"};a<s&&T(i+e)<a&&(l.horizontal="center"),g<h&&T(o+n)<g&&(l.vertical="middle"),x(T(i),T(e))>x(T(o),T(n))?l.important="horizontal":l.important="vertical",c.using.call(this,t,l)}),f.offset(I.extend(r,{using:t}))})},I.ui.position={fit:{left:function(t,i){var e,o=i.within,n=o.isWindow?o.scrollLeft:o.offset.left,l=o.width,f=t.left-i.collisionPosition.marginLeft,s=n-f,h=f+i.collisionWidth-l-n;i.collisionWidth>l?0<s&&h<=0?(e=t.left+s+i.collisionWidth-l-n,t.left+=s-e):t.left=0<h&&s<=0?n:h<s?n+l-i.collisionWidth:n:0<s?t.left+=s:0<h?t.left-=h:t.left=x(t.left-f,t.left)},top:function(t,i){var e,o=i.within,n=o.isWindow?o.scrollTop:o.offset.top,l=i.within.height,f=t.top-i.collisionPosition.marginTop,s=n-f,h=f+i.collisionHeight-l-n;i.collisionHeight>l?0<s&&h<=0?(e=t.top+s+i.collisionHeight-l-n,t.top+=s-e):t.top=0<h&&s<=0?n:h<s?n+l-i.collisionHeight:n:0<s?t.top+=s:0<h?t.top-=h:t.top=x(t.top-f,t.top)}},flip:{left:function(t,i){var e,o,n=i.within,l=n.offset.left+n.scrollLeft,f=n.width,s=n.isWindow?n.scrollLeft:n.offset.left,h=t.left-i.collisionPosition.marginLeft,r=h-s,p=h+i.collisionWidth-f-s,c="left"===i.my[0]?-i.elemWidth:"right"===i.my[0]?i.elemWidth:0,d="left"===i.at[0]?i.targetWidth:"right"===i.at[0]?-i.targetWidth:0,a=-2*i.offset[0];r<0?((e=t.left+c+d+a+i.collisionWidth-f-l)<0||e<T(r))&&(t.left+=c+d+a):0<p&&(0<(o=t.left-i.collisionPosition.marginLeft+c+d+a-s)||T(o)<p)&&(t.left+=c+d+a)},top:function(t,i){var e,o,n=i.within,l=n.offset.top+n.scrollTop,f=n.height,s=n.isWindow?n.scrollTop:n.offset.top,h=t.top-i.collisionPosition.marginTop,r=h-s,p=h+i.collisionHeight-f-s,c="top"===i.my[1]?-i.elemHeight:"bottom"===i.my[1]?i.elemHeight:0,d="top"===i.at[1]?i.targetHeight:"bottom"===i.at[1]?-i.targetHeight:0,a=-2*i.offset[1];r<0?((o=t.top+c+d+a+i.collisionHeight-f-l)<0||o<T(r))&&(t.top+=c+d+a):0<p&&(0<(e=t.top-i.collisionPosition.marginTop+c+d+a-s)||T(e)<p)&&(t.top+=c+d+a)}},flipfit:{left:function(){I.ui.position.flip.left.apply(this,arguments),I.ui.position.fit.left.apply(this,arguments)},top:function(){I.ui.position.flip.top.apply(this,arguments),I.ui.position.fit.top.apply(this,arguments)}}},function(){var t,i,e,o,n,l=document.getElementsByTagName("body")[0],f=document.createElement("div");for(n in t=document.createElement(l?"div":"body"),e={visibility:"hidden",width:0,height:0,border:0,margin:0,background:"none"},l&&I.extend(e,{position:"absolute",left:"-1000px",top:"-1000px"}),e)t.style[n]=e[n];t.appendChild(f),(i=l||document.documentElement).insertBefore(t,i.firstChild),f.style.cssText="position: absolute; left: 10.7432222px;",o=I(f).offset().left,H=10<o&&o<11,t.innerHTML="",i.removeChild(t)}()}(),I.ui.position});


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