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g.line.js
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g.line.js
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/*!
* g.Raphael 0.51 - Charting library, based on Raphaël
*
* Copyright (c) 2009-2012 Dmitry Baranovskiy (http://g.raphaeljs.com)
* Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
*/
(function(){function S(h,o){for(var p=h.length/o,m=0,k=p,b=0,i=[];m<h.length;)k--,0>k?(b+=h[m]*(1+k),i.push(b/p),b=h[m++]*-k,k+=p):b+=1*h[m++];return i}function E(h,o,p,m,k,b,i,c){var F,f,u,w;function J(a){for(var s=[],e=0,G=b.length;e<G;e++)s=s.concat(b[e]);s.sort(function(a,e){return a-e});for(var c=[],g=[],e=0,G=s.length;e<G;e++)s[e]!=s[e-1]&&c.push(s[e])&&g.push(o+d+(s[e]-v)*A);for(var s=c,G=s.length,l=a||h.set(),e=0;e<G;e++){var c=g[e]-(g[e]-(g[e-1]||o))/2,f=((g[e+1]||o+m)-g[e])/2+(g[e]-(g[e-
1]||o))/2,j;a?j={}:l.push(j=h.rect(c-1,p,Math.max(f+1,1),k).attr({stroke:"none",fill:"#000",opacity:0}));j.values=[];j.symbols=h.set();j.y=[];j.x=g[e];j.axis=s[e];for(var f=0,r=i.length;f<r;f++)for(var c=b[f]||b[0],n=0,u=c.length;n<u;n++)c[n]==s[e]&&(j.values.push(i[f][n]),j.y.push(p+k-d-(i[f][n]-y)*H),j.symbols.push(q.symbols[f][n]));a&&a.call(j)}!a&&(t=l)}function N(a){for(var g=a||h.set(),e,c=0,j=i.length;c<j;c++)for(var f=0,m=i[c].length;f<m;f++){var l=o+d+((b[c]||b[0])[f]-v)*A,n=o+d+((b[c]||
b[0])[f?f-1:1]-v)*A,r=p+k-d-(i[c][f]-y)*H;a?e={}:g.push(e=h.circle(l,r,Math.abs(n-l)/2).attr({stroke:"#000",fill:"#000",opacity:1}));e.x=l;e.y=r;e.value=i[c][f];e.line=q.lines[c];e.shade=q.shades[c];e.symbol=q.symbols[c][f];e.symbols=q.symbols[c];e.axis=(b[c]||b[0])[f];a&&a.call(e)}!a&&(C=g)}c=c||{};h.raphael.is(b[0],"array")||(b=[b]);h.raphael.is(i[0],"array")||(i=[i]);for(var d=c.gutter||10,l=Math.max(b[0].length,i[0].length),O=c.symbol||"",P=c.colors||this.colors,t=null,C=null,q=h.set(),g=[],a=
0,n=i.length;a<n;a++)l=Math.max(l,i[a].length);for(var K=h.set(),a=0,n=i.length;a<n;a++)c.shade&&K.push(h.path().attr({stroke:"none",fill:P[a],opacity:c.nostroke?1:0.3})),i[a].length>m-2*d&&(i[a]=S(i[a],m-2*d),l=m-2*d),b[a]&&b[a].length>m-2*d&&(b[a]=S(b[a],m-2*d));var g=Array.prototype.concat.apply([],b),l=Array.prototype.concat.apply([],i),g=this.snapEnds(Math.min.apply(Math,g),Math.max.apply(Math,g),b[0].length-1),v=g.from,g=g.to,l=this.snapEnds(Math.min.apply(Math,l),Math.max.apply(Math,l),i[0].length-
1),y=l.from,a=l.to,A=(m-2*d)/(g-v||1),H=(k-2*d)/(a-y||1),l=h.set();c.axis&&(n=(c.axis+"").split(/[,\s]+/),+n[0]&&l.push(this.axis(o+d,p+d,m-2*d,v,g,c.axisxstep||Math.floor((m-2*d)/20),2,h)),+n[1]&&l.push(this.axis(o+m-d,p+k-d,k-2*d,y,a,c.axisystep||Math.floor((k-2*d)/20),3,h)),+n[2]&&l.push(this.axis(o+d,p+k-d,m-2*d,v,g,c.axisxstep||Math.floor((m-2*d)/20),0,h)),+n[3]&&l.push(this.axis(o+d,p+k-d,k-2*d,y,a,c.axisystep||Math.floor((k-2*d)/20),1,h)));for(var Q=h.set(),R=h.set(),E,a=0,n=i.length;a<n;a++){c.nostroke||
Q.push(E=h.path().attr({stroke:P[a],"stroke-width":c.width||2,"stroke-linejoin":"round","stroke-linecap":"round","stroke-dasharray":c.dash||""}));for(var D=Raphael.is(O,"array")?O[a]:O,I=h.set(),g=[],j=0,T=i[a].length;j<T;j++){var x=o+d+((b[a]||b[0])[j]-v)*A,z=p+k-d-(i[a][j]-y)*H;(Raphael.is(D,"array")?D[j]:D)&&I.push(h[Raphael.is(D,"array")?D[j]:D](x,z,3*(c.width||2)).attr({fill:P[a],stroke:"none"}));if(c.smooth){if(j&&j!=T-1){f=o+d+((b[a]||b[0])[j-1]-v)*A;var L=p+k-d-(i[a][j-1]-y)*H;u=x;w=z;var r=
o+d+((b[a]||b[0])[j+1]-v)*A,B=p+k-d-(i[a][j+1]-y)*H,M=(u-f)/2;F=(r-u)/2;f=Math.atan((u-f)/Math.abs(w-L));r=Math.atan((r-u)/Math.abs(w-B));f=L<w?Math.PI-f:f;r=B<w?Math.PI-r:r;B=Math.PI/2-(f+r)%(2*Math.PI)/2;L=M*Math.sin(B+f);f=M*Math.cos(B+f);M=F*Math.sin(B+r);r=F*Math.cos(B+r);F=u-L;f=w+f;u+=M;w+=r;g=g.concat([F,f,x,z,u,w])}j||(g=["M",x,z,"C",x,z])}else g=g.concat([j?"L":"M",x,z])}c.smooth&&(g=g.concat([x,z,x,z]));R.push(I);c.shade&&K[a].attr({path:g.concat(["L",x,p+k-d,"L",o+d+((b[a]||b[0])[0]-v)*
A,p+k-d,"z"]).join(",")});!c.nostroke&&E.attr({path:g.join(",")})}q.push(Q,K,R,l,t,C);q.lines=Q;q.shades=K;q.symbols=R;q.axis=l;q.hoverColumn=function(a,c){!t&&J();t.mouseover(a).mouseout(c);return this};q.clickColumn=function(a){!t&&J();t.click(a);return this};q.hrefColumn=function(a){var c=h.raphael.is(arguments[0],"array")?arguments[0]:arguments;if(!(arguments.length-1)&&typeof a=="object")for(var e in a)for(var b=0,d=t.length;b<d;b++)t[b].axis==e&&t[b].attr("href",a[e]);!t&&J();b=0;for(d=c.length;b<
d;b++)t[b]&&t[b].attr("href",c[b]);return this};q.hover=function(a,b){!C&&N();C.mouseover(a).mouseout(b);return this};q.click=function(a){!C&&N();C.click(a);return this};q.each=function(a){N(a);return this};q.eachColumn=function(a){J(a);return this};return q}var I=function(){};I.prototype=Raphael.g;E.prototype=new I;Raphael.fn.linechart=function(h,o,p,m,k,b,i){return new E(this,h,o,p,m,k,b,i)}})();