gridjs-spreadsheet/xspreadsheet.js

this is the client side script for GridJs which is a lightweight, scalable, and customizable toolkit that provides cross-platform web applications, enables convenient development for editing or viewing Excel/Spreadsheet files, offers simple deployment, an

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e=C.util.string.camelize(e.charAt(0).toUpperCase()+e.slice(1)),C.util.resolveNamespace(t)[e]},getSvgAttributes:function(e){var t=["instantiated_by_use","style","id","class"];switch(e){case"linearGradient":t=t.concat(["x1","y1","x2","y2","gradientUnits","gradientTransform"]);break;case"radialGradient":t=t.concat(["gradientUnits","gradientTransform","cx","cy","r","fx","fy","fr"]);break;case"stop":t=t.concat(["offset","stop-color","stop-opacity"])}return t},resolveNamespace:function(e){if(!e)return C;var t,n=e.split("."),r=n.length,a=i||C.window;for(t=0;t<r;++t)a=a[n[t]];return a},loadImage:function(e,t,n,i){if(e){var r=C.util.createImage(),a=function(){t&&t.call(n,r,!1),r=r.onload=r.onerror=null};r.onload=a,r.onerror=function(){C.log("Error loading "+r.src),t&&t.call(n,null,!0),r=r.onload=r.onerror=null},0!==e.indexOf("data")&&null!=i&&(r.crossOrigin=i),"data:image/svg"===e.substring(0,14)&&(r.onload=null,C.util.loadImageInDom(r,a)),r.src=e}else t&&t.call(n,e)},loadImageInDom:function(e,t){var n=C.document.createElement("div");n.style.width=n.style.height="1px",n.style.left=n.style.top="-100%",n.style.position="absolute",n.appendChild(e),C.document.querySelector("body").appendChild(n),e.onload=function(){t(),n.parentNode.removeChild(n),n=null}},enlivenObjects:function(e,t,n,i){var r=[],a=0,o=(e=e||[]).length;function s(){++a===o&&t&&t(r.filter((function(e){return e})))}o?e.forEach((function(e,t){e&&e.type?C.util.getKlass(e.type,n).fromObject(e,(function(n,a){a||(r[t]=n),i&&i(e,n,a),s()})):s()})):t&&t(r)},enlivenPatterns:function(e,t){function n(){++r===a&&t&&t(i)}var i=[],r=0,a=(e=e||[]).length;a?e.forEach((function(e,t){e&&e.source?new C.Pattern(e,(function(e){i[t]=e,n()})):(i[t]=e,n())})):t&&t(i)},groupSVGElements:function(e,t,n){var i;return e&&1===e.length?e[0]:(t&&(t.width&&t.height?t.centerPoint={x:t.width/2,y:t.height/2}:(delete t.width,delete t.height)),i=new C.Group(e,t),void 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t=a(e[1],e[0]),n=o(e[0],2)+o(e[1],2),i=r(n),l=(e[0]*e[3]-e[2]*e[1])/i,c=a(e[0]*e[2]+e[1]*e[3],n);return{angle:t/s,scaleX:i,scaleY:l,skewX:c/s,skewY:0,translateX:e[4],translateY:e[5]}},calcRotateMatrix:function(e){if(!e.angle)return C.iMatrix.concat();var t=C.util.degreesToRadians(e.angle),n=C.util.cos(t),i=C.util.sin(t);return[n,i,-i,n,0,0]},calcDimensionsMatrix:function(e){var t=void 0===e.scaleX?1:e.scaleX,n=void 0===e.scaleY?1:e.scaleY,i=[e.flipX?-t:t,0,0,e.flipY?-n:n,0,0],r=C.util.multiplyTransformMatrices,a=C.util.degreesToRadians;return e.skewX&&(i=r(i,[1,0,Math.tan(a(e.skewX)),1],!0)),e.skewY&&(i=r(i,[1,Math.tan(a(e.skewY)),0,1],!0)),i},composeMatrix:function(e){var t=[1,0,0,1,e.translateX||0,e.translateY||0],n=C.util.multiplyTransformMatrices;return e.angle&&(t=n(t,C.util.calcRotateMatrix(e))),(1!==e.scaleX||1!==e.scaleY||e.skewX||e.skewY||e.flipX||e.flipY)&&(t=n(t,C.util.calcDimensionsMatrix(e))),t},resetObjectTransform:function(e){e.scaleX=1,e.scaleY=1,e.skewX=0,e.skewY=0,e.flipX=!1,e.flipY=!1,e.rotate(0)},saveObjectTransform:function(e){return{scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX,skewY:e.skewY,angle:e.angle,left:e.left,flipX:e.flipX,flipY:e.flipY,top:e.top}},isTransparent:function(e,t,n,i){i>0&&(t>i?t-=i:t=0,n>i?n-=i:n=0);var r,a=!0,o=e.getImageData(t,n,2*i||1,2*i||1),s=o.data.length;for(r=3;r<s&&!1!=(a=o.data[r]<=0);r+=4);return o=null,a},parsePreserveAspectRatioAttribute:function(e){var t,n="meet",i=e.split(" ");return i&&i.length&&("meet"!==(n=i.pop())&&"slice"!==n?(t=n,n="meet"):i.length&&(t=i.pop())),{meetOrSlice:n,alignX:"none"!==t?t.slice(1,4):"none",alignY:"none"!==t?t.slice(5,8):"none"}},clearFabricFontCache:function(e){(e=(e||"").toLowerCase())?C.charWidthsCache[e]&&delete C.charWidthsCache[e]:C.charWidthsCache={}},limitDimsByArea:function(e,t){var n=Math.sqrt(t*e),i=Math.floor(t/n);return{x:Math.floor(n),y:i}},capValue:function(e,t,n){return Math.max(e,Math.min(t,n))},findScaleToFit:function(e,t){return Math.min(t.width/e.width,t.height/e.height)},findScaleToCover:function(e,t){return Math.max(t.width/e.width,t.height/e.height)},matrixToSVG:function(e){return"matrix("+e.map((function(e){return C.util.toFixed(e,C.Object.NUM_FRACTION_DIGITS)})).join(" ")+")"},removeTransformFromObject:function(e,t){var n=C.util.invertTransform(t),i=C.util.multiplyTransformMatrices(n,e.calcOwnMatrix());C.util.applyTransformToObject(e,i)},addTransformToObject:function(e,t){C.util.applyTransformToObject(e,C.util.multiplyTransformMatrices(t,e.calcOwnMatrix()))},applyTransformToObject:function(e,t){var n=C.util.qrDecompose(t),i=new C.Point(n.translateX,n.translateY);e.flipX=!1,e.flipY=!1,e.set("scaleX",n.scaleX),e.set("scaleY",n.scaleY),e.skewX=n.skewX,e.skewY=n.skewY,e.angle=n.angle,e.setPositionByOrigin(i,"center","center")},sizeAfterTransform:function(e,t,n){var i=e/2,r=t/2,a=[{x:-i,y:-r},{x:i,y:-r},{x:-i,y:r},{x:i,y:r}],o=C.util.calcDimensionsMatrix(n),s=C.util.makeBoundingBoxFromPoints(a,o);return{x:s.width,y:s.height}}},function(){var e=Array.prototype.join,t={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},n={m:"l",M:"L"};function i(e,t,n,i,r,a,o,s,l,c,u){var h=C.util.cos(e),d=C.util.sin(e),f=C.util.cos(t),p=C.util.sin(t),g=n*r*f-i*a*p+o,v=i*r*f+n*a*p+s;return["C",c+l*(-n*r*d-i*a*h),u+l*(-i*r*d+n*a*h),g+l*(n*r*p+i*a*f),v+l*(i*r*p-n*a*f),g,v]}function r(e,t,n,r,o,s,l){var c=Math.PI,u=l*c/180,h=C.util.sin(u),d=C.util.cos(u),f=0,p=0,g=-d*e*.5-h*t*.5,v=-d*t*.5+h*e*.5,m=(n=Math.abs(n))*n,y=(r=Math.abs(r))*r,b=v*v,x=g*g,w=m*y-m*b-y*x,_=0;if(w<0){var k=Math.sqrt(1-w/(m*y));n*=k,r*=k}else 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T,q,O,M=_.length,I=M;M--;)T=(O=1-(f=_[M]))*O*O*t+3*O*O*f*i+3*O*f*f*a+f*f*f*s,k[0][M]=T,q=O*O*O*n+3*O*O*f*r+3*O*f*f*o+f*f*f*l,k[1][M]=q;k[0][I]=t,k[1][I]=n,k[0][I+1]=s,k[1][I+1]=l;var A=[{x:b.apply(null,k[0]),y:b.apply(null,k[1])},{x:x.apply(null,k[0]),y:x.apply(null,k[1])}];return C.cachesBoundsOfCurve&&(C.boundsOfCurveCache[c]=A),A}function s(e,t,n){for(var i=n[1],a=n[2],o=n[3],s=n[4],l=n[5],c=r(n[6]-e,n[7]-t,i,a,s,l,o),u=0,h=c.length;u<h;u++)c[u][1]+=e,c[u][2]+=t,c[u][3]+=e,c[u][4]+=t,c[u][5]+=e,c[u][6]+=t;return c}function l(e,t,n,i){return Math.sqrt((n-e)*(n-e)+(i-t)*(i-t))}function c(e,t,n,i,r,a,o,s){return function(l){var c,u=(c=l)*c*c,h=function(e){return 3*e*e*(1-e)}(l),d=function(e){return 3*e*(1-e)*(1-e)}(l),f=function(e){return(1-e)*(1-e)*(1-e)}(l);return{x:o*u+r*h+n*d+e*f,y:s*u+a*h+i*d+t*f}}}function u(e,t,n,i,r,a,o,s){return function(l){var c=1-l,u=3*c*c*(n-e)+6*c*l*(r-n)+3*l*l*(o-r),h=3*c*c*(i-t)+6*c*l*(a-i)+3*l*l*(s-a);return Math.atan2(h,u)}}function h(e,t,n,i,r,a){return function(o){var s,l=(s=o)*s,c=function(e){return 2*e*(1-e)}(o),u=function(e){return(1-e)*(1-e)}(o);return{x:r*l+n*c+e*u,y:a*l+i*c+t*u}}}function d(e,t,n,i,r,a){return function(o){var s=1-o,l=2*s*(n-e)+2*o*(r-n),c=2*s*(i-t)+2*o*(a-i);return Math.atan2(c,l)}}function f(e,t,n){var i,r,a={x:t,y:n},o=0;for(r=1;r<=100;r+=1)i=e(r/100),o+=l(a.x,a.y,i.x,i.y),a=i;return o}function p(e,t){for(var n,i,r,a=0,o=0,s=e.iterator,c={x:e.x,y:e.y},u=.01,h=e.angleFinder;o<t&&a<=1&&u>1e-4;)n=s(a),r=a,(i=l(c.x,c.y,n.x,n.y))+o>t?a-=u/=2:(c=n,a+=u,o+=i);return n.angle=h(r),n}function g(e){for(var t,n,i,r,a=0,o=e.length,s=0,p=0,g=0,v=0,m=[],y=0;y<o;y++){switch(i={x:s,y:p,command:(t=e[y])[0]},t[0]){case"M":i.length=0,g=s=t[1],v=p=t[2];break;case"L":i.length=l(s,p,t[1],t[2]),s=t[1],p=t[2];break;case"C":n=c(s,p,t[1],t[2],t[3],t[4],t[5],t[6]),r=u(s,p,t[1],t[2],t[3],t[4],t[5],t[6]),i.iterator=n,i.angleFinder=r,i.length=f(n,s,p),s=t[5],p=t[6];break;case"Q":n=h(s,p,t[1],t[2],t[3],t[4]),r=d(s,p,t[1],t[2],t[3],t[4]),i.iterator=n,i.angleFinder=r,i.length=f(n,s,p),s=t[3],p=t[4];break;case"Z":case"z":i.destX=g,i.destY=v,i.length=l(s,p,g,v),s=g,p=v}a+=i.length,m.push(i)}return m.push({length:a,x:s,y:p}),m}C.util.joinPath=function(e){return e.map((function(e){return e.join(" ")})).join(" ")},C.util.parsePath=function(e){var i,r,a,o,s,l=[],c=[],u=C.rePathCommand,h="[-+]?(?:\\d*\\.\\d+|\\d+\\.?)(?:[eE][-+]?\\d+)?\\s*",d="("+h+")"+C.commaWsp,f="([01])"+C.commaWsp+"?",p=new RegExp(d+"?"+d+"?"+d+f+f+d+"?("+h+")","g");if(!e||!e.match)return l;for(var g,v=0,m=(s=e.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi)).length;v<m;v++){o=(i=s[v]).slice(1).trim(),c.length=0;var y=i.charAt(0);if(g=[y],"a"===y.toLowerCase())for(var b;b=p.exec(o);)for(var x=1;x<b.length;x++)c.push(b[x]);else for(;a=u.exec(o);)c.push(a[0]);x=0;for(var w=c.length;x<w;x++)r=parseFloat(c[x]),isNaN(r)||g.push(r);var _=t[y.toLowerCase()],k=n[y]||y;if(g.length-1>_)for(var S=1,T=g.length;S<T;S+=_)l.push([y].concat(g.slice(S,S+_))),y=k;else l.push(g)}return l},C.util.makePathSimpler=function(e){var t,n,i,r,a,o,l=0,c=0,u=e.length,h=0,d=0,f=[];for(n=0;n<u;++n){switch(i=!1,(t=e[n].slice(0))[0]){case"l":t[0]="L",t[1]+=l,t[2]+=c;case"L":l=t[1],c=t[2];break;case"h":t[1]+=l;case"H":t[0]="L",t[2]=c,l=t[1];break;case"v":t[1]+=c;case"V":t[0]="L",c=t[1],t[1]=l,t[2]=c;break;case"m":t[0]="M",t[1]+=l,t[2]+=c;case"M":l=t[1],c=t[2],h=t[1],d=t[2];break;case"c":t[0]="C",t[1]+=l,t[2]+=c,t[3]+=l,t[4]+=c,t[5]+=l,t[6]+=c;case"C":a=t[3],o=t[4],l=t[5],c=t[6];break;case"s":t[0]="S",t[1]+=l,t[2]+=c,t[3]+=l,t[4]+=c;case"S":"C"===r?(a=2*l-a,o=2*c-o):(a=l,o=c),l=t[3],c=t[4],t[0]="C",t[5]=t[3],t[6]=t[4],t[3]=t[1],t[4]=t[2],t[1]=a,t[2]=o,a=t[3],o=t[4];break;case"q":t[0]="Q",t[1]+=l,t[2]+=c,t[3]+=l,t[4]+=c;case"Q":a=t[1],o=t[2],l=t[3],c=t[4];break;case"t":t[0]="T",t[1]+=l,t[2]+=c;case"T":"Q"===r?(a=2*l-a,o=2*c-o):(a=l,o=c),t[0]="Q",l=t[1],c=t[2],t[1]=a,t[2]=o,t[3]=l,t[4]=c;break;case"a":t[0]="A",t[6]+=l,t[7]+=c;case"A":i=!0,f=f.concat(s(l,c,t)),l=t[6],c=t[7];break;case"z":case"Z":l=h,c=d}i||f.push(t),r=t[0]}return f},C.util.getSmoothPathFromPoints=function(e,t){var n,i=[],r=new C.Point(e[0].x,e[0].y),a=new C.Point(e[1].x,e[1].y),o=e.length,s=1,l=0,c=o>2;for(t=t||0,c&&(s=e[2].x<a.x?-1:e[2].x===a.x?0:1,l=e[2].y<a.y?-1:e[2].y===a.y?0:1),i.push(["M",r.x-s*t,r.y-l*t]),n=1;n<o;n++){if(!r.eq(a)){var u=r.midPointFrom(a);i.push(["Q",r.x,r.y,u.x,u.y])}r=e[n],n+1<e.length&&(a=e[n+1])}return c&&(s=r.x>e[n-2].x?1:r.x===e[n-2].x?0:-1,l=r.y>e[n-2].y?1:r.y===e[n-2].y?0:-1),i.push(["L",r.x+s*t,r.y+l*t]),i},C.util.getPathSegmentsInfo=g,C.util.getBoundsOfCurve=o,C.util.getPointOnPath=function(e,t,n){n||(n=g(e));for(var i=0;t-n[i].length>0&&i<n.length-2;)t-=n[i].length,i++;var r,a=n[i],o=t/a.length,s=a.command,l=e[i];switch(s){case"M":return{x:a.x,y:a.y,angle:0};case"Z":case"z":return(r=new C.Point(a.x,a.y).lerp(new C.Point(a.destX,a.destY),o)).angle=Math.atan2(a.destY-a.y,a.destX-a.x),r;case"L":return(r=new C.Point(a.x,a.y).lerp(new C.Point(l[1],l[2]),o)).angle=Math.atan2(l[2]-a.y,l[1]-a.x),r;case"C":case"Q":return p(a,t)}},C.util.transformPath=function(e,t,n){return n&&(t=C.util.multiplyTransformMatrices(t,[1,0,0,1,-n.x,-n.y])),e.map((function(e){for(var n=e.slice(0),i={},r=1;r<e.length-1;r+=2)i.x=e[r],i.y=e[r+1],i=C.util.transformPoint(i,t),n[r]=i.x,n[r+1]=i.y;return n}))},C.util.fromArcToBeizers=s,C.util.getBoundsOfArc=function(e,t,n,i,a,s,l,c,u){for(var h,d=0,f=0,p=[],g=r(c-e,u-t,n,i,s,l,a),v=0,m=g.length;v<m;v++)h=o(d,f,g[v][1],g[v][2],g[v][3],g[v][4],g[v][5],g[v][6]),p.push({x:h[0].x+e,y:h[0].y+t}),p.push({x:h[1].x+e,y:h[1].y+t}),d=g[v][5],f=g[v][6];return p},C.util.drawArc=function(e,t,n,i){s(t,n,i=i.slice(0).unshift("X")).forEach((function(t){e.bezierCurveTo.apply(e,t.slice(1))}))}}(),function(){var e=Array.prototype.slice;function t(e,t,n){if(e&&0!==e.length){var i=e.length-1,r=t?e[i][t]:e[i];if(t)for(;i--;)n(e[i][t],r)&&(r=e[i][t]);else for(;i--;)n(e[i],r)&&(r=e[i]);return r}}C.util.array={fill:function(e,t){for(var n=e.length;n--;)e[n]=t;return e},invoke:function(t,n){for(var i=e.call(arguments,2),r=[],a=0,o=t.length;a<o;a++)r[a]=i.length?t[a][n].apply(t[a],i):t[a][n].call(t[a]);return r},min:function(e,n){return t(e,n,(function(e,t){return e<t}))},max:function(e,n){return t(e,n,(function(e,t){return e>=t}))}}}(),function(){function e(t,n,i){if(i)if(!C.isLikelyNode&&n instanceof Element)t=n;else if(n instanceof Array){t=[];for(var r=0,a=n.length;r<a;r++)t[r]=e({},n[r],i)}else if(n&&"object"==typeof n)for(var o in n)"canvas"===o||"group"===o?t[o]=null:n.hasOwnProperty(o)&&(t[o]=e({},n[o],i));else t=n;else for(var o in n)t[o]=n[o];return t}C.util.object={extend:e,clone:function(t,n){return e({},t,n)}},C.util.object.extend(C.util,C.Observable)}(),function(){function e(e,t){var n=e.charCodeAt(t);if(isNaN(n))return"";if(n<55296||n>57343)return e.charAt(t);if(55296<=n&&n<=56319){if(e.length<=t+1)throw"High surrogate without following low surrogate";var i=e.charCodeAt(t+1);if(56320>i||i>57343)throw"High surrogate without following low surrogate";return e.charAt(t)+e.charAt(t+1)}if(0===t)throw"Low surrogate without preceding high surrogate";var r=e.charCodeAt(t-1);if(55296>r||r>56319)throw"Low surrogate without preceding high surrogate";return!1}C.util.string={camelize:function(e){return e.replace(/-+(.)?/g,(function(e,t){return t?t.toUpperCase():""}))},capitalize:function(e,t){return e.charAt(0).toUpperCase()+(t?e.slice(1):e.slice(1).toLowerCase())},escapeXml:function(e){return e.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&apos;").replace(/</g,"&lt;").replace(/>/g,"&gt;")},graphemeSplit:function(t){var n,i=0,r=[];for(i=0;i<t.length;i++)!1!==(n=e(t,i))&&r.push(n);return r}}}(),function(){var e=Array.prototype.slice,t=function(){},n=function(){for(var e in{toString:1})if("toString"===e)return!1;return!0}(),i=function(e,t,i){for(var r in t)r in e.prototype&&"function"==typeof e.prototype[r]&&(t[r]+"").indexOf("callSuper")>-1?e.prototype[r]=function(e){return function(){var n=this.constructor.superclass;this.constructor.superclass=i;var r=t[e].apply(this,arguments);if(this.constructor.superclass=n,"initialize"!==e)return r}}(r):e.prototype[r]=t[r],n&&(t.toString!==Object.prototype.toString&&(e.prototype.toString=t.toString),t.valueOf!==Object.prototype.valueOf&&(e.prototype.valueOf=t.valueOf))};function r(){}function a(t){for(var n=null,i=this;i.constructor.superclass;){var r=i.constructor.superclass.prototype[t];if(i[t]!==r){n=r;break}i=i.constructor.superclass.prototype}return n?arguments.length>1?n.apply(this,e.call(arguments,1)):n.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}C.util.createClass=function(){var n=null,o=e.call(arguments,0);function s(){this.initialize.apply(this,arguments)}"function"==typeof o[0]&&(n=o.shift()),s.superclass=n,s.subclasses=[],n&&(r.prototype=n.prototype,s.prototype=new r,n.subclasses.push(s));for(var l=0,c=o.length;l<c;l++)i(s,o[l],n);return s.prototype.initialize||(s.prototype.initialize=t),s.prototype.constructor=s,s.prototype.callSuper=a,s}}(),c=!!C.document.createElement("div").attachEvent,u=["touchstart","touchmove","touchend"],C.util.addListener=function(e,t,n,i){e&&e.addEventListener(t,n,!c&&i)},C.util.removeListener=function(e,t,n,i){e&&e.removeEventListener(t,n,!c&&i)},C.util.getPointer=function(e){var t=e.target,n=C.util.getScrollLeftTop(t),i=function(e){var t=e.changedTouches;return t&&t[0]?t[0]:e}(e);return{x:i.clientX+n.left,y:i.clientY+n.top}},C.util.isTouchEvent=function(e){return u.indexOf(e.type)>-1||"touch"===e.pointerType},h=C.document.createElement("div"),d="string"==typeof h.style.opacity,f="string"==typeof h.style.filter,p=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,g=function(e){return e},d?g=function(e,t){return e.style.opacity=t,e}:f&&(g=function(e,t){var n=e.style;return e.currentStyle&&!e.currentStyle.hasLayout&&(n.zoom=1),p.test(n.filter)?(t=t>=.9999?"":"alpha(opacity="+100*t+")",n.filter=n.filter.replace(p,t)):n.filter+=" alpha(opacity="+100*t+")",e}),C.util.setStyle=function(e,t){var n=e.style;if(!n)return e;if("string"==typeof t)return e.style.cssText+=";"+t,t.indexOf("opacity")>-1?g(e,t.match(/opacity:\s*(\d?\.?\d*)/)[1]):e;for(var i in t)"opacity"===i?g(e,t[i]):n["float"===i||"cssFloat"===i?void 0===n.styleFloat?"cssFloat":"styleFloat":i]=t[i];return e},function(){var e=Array.prototype.slice;var t,n,i,r,a=function(t){return e.call(t,0)};try{t=a(C.document.childNodes)instanceof Array}catch(e){}function o(e,t){var n=C.document.createElement(e);for(var i in t)"class"===i?n.className=t[i]:"for"===i?n.htmlFor=t[i]:n.setAttribute(i,t[i]);return n}function s(e){for(var t=0,n=0,i=C.document.documentElement,r=C.document.body||{scrollLeft:0,scrollTop:0};e&&(e.parentNode||e.host)&&((e=e.parentNode||e.host)===C.document?(t=r.scrollLeft||i.scrollLeft||0,n=r.scrollTop||i.scrollTop||0):(t+=e.scrollLeft||0,n+=e.scrollTop||0),1!==e.nodeType||"fixed"!==e.style.position););return{left:t,top:n}}t||(a=function(e){for(var t=new Array(e.length),n=e.length;n--;)t[n]=e[n];return t}),n=C.document.defaultView&&C.document.defaultView.getComputedStyle?function(e,t){var n=C.document.defaultView.getComputedStyle(e,null);return n?n[t]:void 0}:function(e,t){var n=e.style[t];return!n&&e.currentStyle&&(n=e.currentStyle[t]),n},i=C.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in i?"KhtmlUserSelect":"",C.util.makeElementUnselectable=function(e){return void 0!==e.onselectstart&&(e.onselectstart=C.util.falseFunction),r?e.style[r]="none":"string"==typeof e.unselectable&&(e.unselectable="on"),e},C.util.makeElementSelectable=function(e){return void 0!==e.onselectstart&&(e.onselectstart=null),r?e.style[r]="":"string"==typeof e.unselectable&&(e.unselectable=""),e},C.util.setImageSmoothing=function(e,t){e.imageSmoothingEnabled=e.imageSmoothingEnabled||e.webkitImageSmoothingEnabled||e.mozImageSmoothingEnabled||e.msImageSmoothingEnabled||e.oImageSmoothingEnabled,e.imageSmoothingEnabled=t},C.util.getById=function(e){return"string"==typeof e?C.document.getElementById(e):e},C.util.toArray=a,C.util.addClass=function(e,t){e&&-1===(" "+e.className+" ").indexOf(" "+t+" ")&&(e.className+=(e.className?" ":"")+t)},C.util.makeElement=o,C.util.wrapElement=function(e,t,n){return"string"==typeof t&&(t=o(t,n)),e.parentNode&&e.parentNode.replaceChild(t,e),t.appendChild(e),t},C.util.getScrollLeftTop=s,C.util.getElementOffset=function(e){var t,i,r=e&&e.ownerDocument,a={left:0,top:0},o={left:0,top:0},l={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!r)retu