root / trunk / web / dojo / dojox / charting / plot2d / common.js @ 13
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.charting.plot2d.common"]){ |
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dojo._hasResource["dojox.charting.plot2d.common"]=true; |
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dojo.provide("dojox.charting.plot2d.common");
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dojo.require("dojo.colors");
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dojo.require("dojox.gfx");
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dojo.require("dojox.lang.functional");
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(function(){
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var df=dojox.lang.functional,dc=dojox.charting.plot2d.common;
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dojo.mixin(dojox.charting.plot2d.common,{makeStroke:function(_1){ |
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if(!_1){
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return _1;
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} |
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if(typeof _1=="string"||_1 instanceof dojo.Color){ |
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_1={color:_1};
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} |
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return dojox.gfx.makeParameters(dojox.gfx.defaultStroke,_1);
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},augmentColor:function(_2,_3){ |
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var t=new dojo.Color(_2),c=new dojo.Color(_3); |
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c.a=t.a; |
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return c;
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},augmentStroke:function(_4,_5){ |
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var s=dc.makeStroke(_4);
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if(s){
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s.color=dc.augmentColor(s.color,_5); |
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} |
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return s;
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},augmentFill:function(_6,_7){ |
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var fc,c=new dojo.Color(_7); |
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if(typeof _6=="string"||_6 instanceof dojo.Color){ |
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return dc.augmentColor(_6,_7);
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} |
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return _6;
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},defaultStats:{hmin:Number.POSITIVE_INFINITY,hmax:Number.NEGATIVE_INFINITY,vmin:Number.POSITIVE_INFINITY,vmax:Number.NEGATIVE_INFINITY},collectSimpleStats:function(_8){ |
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var _9=dojo.delegate(dc.defaultStats);
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for(var i=0;i<_8.length;++i){ |
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var _a=_8[i];
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for(var j=0;j<_a.data.length;j++){ |
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if(_a.data[j]!==null){ |
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if(typeof _a.data[j]=="number"){ |
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var _b=_9.vmin,_c=_9.vmax;
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if(!("ymin" in _a)||!("ymax" in _a)){ |
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dojo.forEach(_a.data,function(_d,i){
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if(_d!==null){ |
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var x=i+1,y=_d; |
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if(isNaN(y)){
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y=0;
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} |
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_9.hmin=Math.min(_9.hmin,x); |
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_9.hmax=Math.max(_9.hmax,x); |
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_9.vmin=Math.min(_9.vmin,y); |
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_9.vmax=Math.max(_9.vmax,y); |
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} |
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}); |
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} |
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if("ymin" in _a){ |
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_9.vmin=Math.min(_b,_a.ymin); |
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} |
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if("ymax" in _a){ |
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_9.vmax=Math.max(_c,_a.ymax); |
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} |
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}else{
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var _e=_9.hmin,_f=_9.hmax,_b=_9.vmin,_c=_9.vmax;
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if(!("xmin" in _a)||!("xmax" in _a)||!("ymin" in _a)||!("ymax" in _a)){ |
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dojo.forEach(_a.data,function(val,i){
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if(val!==null){ |
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var x="x" in val?val.x:i+1,y=val.y; |
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if(isNaN(x)){
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x=0;
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} |
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if(isNaN(y)){
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y=0;
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} |
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_9.hmin=Math.min(_9.hmin,x); |
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_9.hmax=Math.max(_9.hmax,x); |
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_9.vmin=Math.min(_9.vmin,y); |
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_9.vmax=Math.max(_9.vmax,y); |
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} |
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}); |
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} |
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if("xmin" in _a){ |
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_9.hmin=Math.min(_e,_a.xmin); |
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} |
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if("xmax" in _a){ |
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_9.hmax=Math.max(_f,_a.xmax); |
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} |
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if("ymin" in _a){ |
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_9.vmin=Math.min(_b,_a.ymin); |
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} |
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if("ymax" in _a){ |
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_9.vmax=Math.max(_c,_a.ymax); |
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} |
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} |
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break;
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} |
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} |
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} |
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return _9;
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},calculateBarSize:function(_10,opt,_11){ |
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if(!_11){
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_11=1;
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} |
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var gap=opt.gap,_12=(_10-2*gap)/_11; |
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if("minBarSize" in opt){ |
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_12=Math.max(_12,opt.minBarSize); |
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} |
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if("maxBarSize" in opt){ |
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_12=Math.min(_12,opt.maxBarSize); |
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} |
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_12=Math.max(_12,1);
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gap=(_10-_12*_11)/2;
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return {size:_12,gap:gap}; |
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},collectStackedStats:function(_13){ |
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var _14=dojo.clone(dc.defaultStats);
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if(_13.length){
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_14.hmin=Math.min(_14.hmin,1);
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_14.hmax=df.foldl(_13,"seed, run -> Math.max(seed, run.data.length)",_14.hmax);
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for(var i=0;i<_14.hmax;++i){ |
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var v=_13[0].data[i]; |
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if(isNaN(v)){
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v=0;
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} |
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_14.vmin=Math.min(_14.vmin,v); |
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for(var j=1;j<_13.length;++j){ |
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var t=_13[j].data[i];
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if(isNaN(t)){
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t=0;
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} |
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v+=t; |
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} |
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_14.vmax=Math.max(_14.vmax,v); |
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} |
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} |
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return _14;
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},curve:function(a,_15){ |
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var arr=a.slice(0); |
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if(_15=="x"){ |
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arr[arr.length]=arr[0];
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} |
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var p=dojo.map(arr,function(_16,i){ |
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if(i==0){ |
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return "M"+_16.x+","+_16.y; |
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} |
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if(!isNaN(_15)){
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var dx=_16.x-arr[i-1].x,dy=arr[i-1].y; |
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return "C"+(_16.x-(_15-1)*(dx/_15))+","+dy+" "+(_16.x-(dx/_15))+","+_16.y+" "+_16.x+","+_16.y; |
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}else{
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if(_15=="X"||_15=="x"||_15=="S"){ |
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var p0,p1=arr[i-1],p2=arr[i],p3; |
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var _17,_18,_19,_1a;
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var f=1/6; |
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if(i==1){ |
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if(_15=="x"){ |
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p0=arr[arr.length-2];
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}else{
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p0=p1; |
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} |
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f=1/3; |
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}else{
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p0=arr[i-2];
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} |
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if(i==(arr.length-1)){ |
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if(_15=="x"){ |
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p3=arr[1];
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}else{
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p3=p2; |
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} |
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f=1/3; |
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}else{
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p3=arr[i+1];
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} |
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var _1b=Math.sqrt((p2.x-p1.x)*(p2.x-p1.x)+(p2.y-p1.y)*(p2.y-p1.y));
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var _1c=Math.sqrt((p2.x-p0.x)*(p2.x-p0.x)+(p2.y-p0.y)*(p2.y-p0.y));
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var _1d=Math.sqrt((p3.x-p1.x)*(p3.x-p1.x)+(p3.y-p1.y)*(p3.y-p1.y));
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var _1e=_1c*f;
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var _1f=_1d*f;
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if(_1e>_1b/2&&_1f>_1b/2){ |
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_1e=_1b/2;
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_1f=_1b/2;
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}else{
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if(_1e>_1b/2){ |
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_1e=_1b/2;
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_1f=_1b/2*_1d/_1c;
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}else{
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if(_1f>_1b/2){ |
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_1f=_1b/2;
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_1e=_1b/2*_1c/_1d;
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} |
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} |
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} |
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if(_15=="S"){ |
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if(p0==p1){
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_1e=0;
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} |
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if(p2==p3){
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_1f=0;
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} |
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} |
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_17=p1.x+_1e*(p2.x-p0.x)/_1c; |
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_18=p1.y+_1e*(p2.y-p0.y)/_1c; |
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_19=p2.x-_1f*(p3.x-p1.x)/_1d; |
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_1a=p2.y-_1f*(p3.y-p1.y)/_1d; |
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} |
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} |
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return "C"+(_17+","+_18+" "+_19+","+_1a+" "+p2.x+","+p2.y); |
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}); |
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return p.join(" "); |
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}}); |
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})(); |
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} |