root / trunk / web / dojo / dojox / charting / scaler / linear.js
History | View | Annotate | Download (5.3 KB)
| 1 | 9 | andrej.cim | /*
|
|---|---|---|---|
| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
||
| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
|
||
| 4 | see: http://dojotoolkit.org/license for details
|
||
| 5 | */
|
||
| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.charting.scaler.linear"]){ |
||
| 9 | dojo._hasResource["dojox.charting.scaler.linear"]=true; |
||
| 10 | dojo.provide("dojox.charting.scaler.linear");
|
||
| 11 | dojo.require("dojox.charting.scaler.common");
|
||
| 12 | (function(){
|
||
| 13 | var _1=3,dc=dojox.charting,_2=dc.scaler,_3=_2.common,_4=_3.findString,_5=_3.getNumericLabel; |
||
| 14 | var _6=function(_7,_8,_9,_a,_b,_c,_d){ |
||
| 15 | _9=dojo.delegate(_9); |
||
| 16 | if(!_a){
|
||
| 17 | if(_9.fixUpper=="major"){ |
||
| 18 | _9.fixUpper="minor";
|
||
| 19 | } |
||
| 20 | if(_9.fixLower=="major"){ |
||
| 21 | _9.fixLower="minor";
|
||
| 22 | } |
||
| 23 | } |
||
| 24 | if(!_b){
|
||
| 25 | if(_9.fixUpper=="minor"){ |
||
| 26 | _9.fixUpper="micro";
|
||
| 27 | } |
||
| 28 | if(_9.fixLower=="minor"){ |
||
| 29 | _9.fixLower="micro";
|
||
| 30 | } |
||
| 31 | } |
||
| 32 | if(!_c){
|
||
| 33 | if(_9.fixUpper=="micro"){ |
||
| 34 | _9.fixUpper="none";
|
||
| 35 | } |
||
| 36 | if(_9.fixLower=="micro"){ |
||
| 37 | _9.fixLower="none";
|
||
| 38 | } |
||
| 39 | } |
||
| 40 | var _e=_4(_9.fixLower,["major"])?Math.floor(_9.min/_a)*_a:_4(_9.fixLower,["minor"])?Math.floor(_9.min/_b)*_b:_4(_9.fixLower,["micro"])?Math.floor(_9.min/_c)*_c:_9.min,_f=_4(_9.fixUpper,["major"])?Math.ceil(_9.max/_a)*_a:_4(_9.fixUpper,["minor"])?Math.ceil(_9.max/_b)*_b:_4(_9.fixUpper,["micro"])?Math.ceil(_9.max/_c)*_c:_9.max; |
||
| 41 | if(_9.useMin){
|
||
| 42 | _7=_e; |
||
| 43 | } |
||
| 44 | if(_9.useMax){
|
||
| 45 | _8=_f; |
||
| 46 | } |
||
| 47 | var _10=(!_a||_9.useMin&&_4(_9.fixLower,["major"]))?_7:Math.ceil(_7/_a)*_a,_11=(!_b||_9.useMin&&_4(_9.fixLower,["major","minor"]))?_7:Math.ceil(_7/_b)*_b,_12=(!_c||_9.useMin&&_4(_9.fixLower,["major","minor","micro"]))?_7:Math.ceil(_7/_c)*_c,_13=!_a?0:(_9.useMax&&_4(_9.fixUpper,["major"])?Math.round((_8-_10)/_a):Math.floor((_8-_10)/_a))+1,_14=!_b?0:(_9.useMax&&_4(_9.fixUpper,["major","minor"])?Math.round((_8-_11)/_b):Math.floor((_8-_11)/_b))+1,_15=!_c?0:(_9.useMax&&_4(_9.fixUpper,["major","minor","micro"])?Math.round((_8-_12)/_c):Math.floor((_8-_12)/_c))+1,_16=_b?Math.round(_a/_b):0,_17=_c?Math.round(_b/_c):0,_18=_a?Math.floor(Math.log(_a)/Math.LN10):0,_19=_b?Math.floor(Math.log(_b)/Math.LN10):0,_1a=_d/(_8-_7); |
||
| 48 | if(!isFinite(_1a)){
|
||
| 49 | _1a=1;
|
||
| 50 | } |
||
| 51 | return {bounds:{lower:_e,upper:_f,from:_7,to:_8,scale:_1a,span:_d},major:{tick:_a,start:_10,count:_13,prec:_18},minor:{tick:_b,start:_11,count:_14,prec:_19},micro:{tick:_c,start:_12,count:_15,prec:0},minorPerMajor:_16,microPerMinor:_17,scaler:_2.linear}; |
||
| 52 | }; |
||
| 53 | dojo.mixin(dojox.charting.scaler.linear,{buildScaler:function(min,max,_1b,_1c){
|
||
| 54 | var h={fixUpper:"none",fixLower:"none",natural:false}; |
||
| 55 | if(_1c){
|
||
| 56 | if("fixUpper" in _1c){ |
||
| 57 | h.fixUpper=String(_1c.fixUpper); |
||
| 58 | } |
||
| 59 | if("fixLower" in _1c){ |
||
| 60 | h.fixLower=String(_1c.fixLower); |
||
| 61 | } |
||
| 62 | if("natural" in _1c){ |
||
| 63 | h.natural=Boolean(_1c.natural); |
||
| 64 | } |
||
| 65 | } |
||
| 66 | if("min" in _1c){ |
||
| 67 | min=_1c.min; |
||
| 68 | } |
||
| 69 | if("max" in _1c){ |
||
| 70 | max=_1c.max; |
||
| 71 | } |
||
| 72 | if(_1c.includeZero){
|
||
| 73 | if(min>0){ |
||
| 74 | min=0;
|
||
| 75 | } |
||
| 76 | if(max<0){ |
||
| 77 | max=0;
|
||
| 78 | } |
||
| 79 | } |
||
| 80 | h.min=min; |
||
| 81 | h.useMin=true;
|
||
| 82 | h.max=max; |
||
| 83 | h.useMax=true;
|
||
| 84 | if("from" in _1c){ |
||
| 85 | min=_1c.from; |
||
| 86 | h.useMin=false;
|
||
| 87 | } |
||
| 88 | if("to" in _1c){ |
||
| 89 | max=_1c.to; |
||
| 90 | h.useMax=false;
|
||
| 91 | } |
||
| 92 | if(max<=min){
|
||
| 93 | return _6(min,max,h,0,0,0,_1b); |
||
| 94 | } |
||
| 95 | var mag=Math.floor(Math.log(max-min)/Math.LN10),_1d=_1c&&("majorTickStep" in _1c)?_1c.majorTickStep:Math.pow(10,mag),_1e=0,_1f=0,_20; |
||
| 96 | if(_1c&&("minorTickStep" in _1c)){ |
||
| 97 | _1e=_1c.minorTickStep; |
||
| 98 | }else{
|
||
| 99 | do{
|
||
| 100 | _1e=_1d/10;
|
||
| 101 | if(!h.natural||_1e>0.9){ |
||
| 102 | _20=_6(min,max,h,_1d,_1e,0,_1b);
|
||
| 103 | if(_20.bounds.scale*_20.minor.tick>_1){
|
||
| 104 | break;
|
||
| 105 | } |
||
| 106 | } |
||
| 107 | _1e=_1d/5;
|
||
| 108 | if(!h.natural||_1e>0.9){ |
||
| 109 | _20=_6(min,max,h,_1d,_1e,0,_1b);
|
||
| 110 | if(_20.bounds.scale*_20.minor.tick>_1){
|
||
| 111 | break;
|
||
| 112 | } |
||
| 113 | } |
||
| 114 | _1e=_1d/2;
|
||
| 115 | if(!h.natural||_1e>0.9){ |
||
| 116 | _20=_6(min,max,h,_1d,_1e,0,_1b);
|
||
| 117 | if(_20.bounds.scale*_20.minor.tick>_1){
|
||
| 118 | break;
|
||
| 119 | } |
||
| 120 | } |
||
| 121 | return _6(min,max,h,_1d,0,0,_1b); |
||
| 122 | }while(false); |
||
| 123 | } |
||
| 124 | if(_1c&&("microTickStep" in _1c)){ |
||
| 125 | _1f=_1c.microTickStep; |
||
| 126 | _20=_6(min,max,h,_1d,_1e,_1f,_1b); |
||
| 127 | }else{
|
||
| 128 | do{
|
||
| 129 | _1f=_1e/10;
|
||
| 130 | if(!h.natural||_1f>0.9){ |
||
| 131 | _20=_6(min,max,h,_1d,_1e,_1f,_1b); |
||
| 132 | if(_20.bounds.scale*_20.micro.tick>_1){
|
||
| 133 | break;
|
||
| 134 | } |
||
| 135 | } |
||
| 136 | _1f=_1e/5;
|
||
| 137 | if(!h.natural||_1f>0.9){ |
||
| 138 | _20=_6(min,max,h,_1d,_1e,_1f,_1b); |
||
| 139 | if(_20.bounds.scale*_20.micro.tick>_1){
|
||
| 140 | break;
|
||
| 141 | } |
||
| 142 | } |
||
| 143 | _1f=_1e/2;
|
||
| 144 | if(!h.natural||_1f>0.9){ |
||
| 145 | _20=_6(min,max,h,_1d,_1e,_1f,_1b); |
||
| 146 | if(_20.bounds.scale*_20.micro.tick>_1){
|
||
| 147 | break;
|
||
| 148 | } |
||
| 149 | } |
||
| 150 | _1f=0;
|
||
| 151 | }while(false); |
||
| 152 | } |
||
| 153 | return _1f?_20:_6(min,max,h,_1d,_1e,0,_1b); |
||
| 154 | },buildTicks:function(_21,_22){ |
||
| 155 | var _23,_24,_25,_26=_21.major.start,_27=_21.minor.start,_28=_21.micro.start;
|
||
| 156 | if(_22.microTicks&&_21.micro.tick){
|
||
| 157 | _23=_21.micro.tick,_24=_28; |
||
| 158 | }else{
|
||
| 159 | if(_22.minorTicks&&_21.minor.tick){
|
||
| 160 | _23=_21.minor.tick,_24=_27; |
||
| 161 | }else{
|
||
| 162 | if(_21.major.tick){
|
||
| 163 | _23=_21.major.tick,_24=_26; |
||
| 164 | }else{
|
||
| 165 | return null; |
||
| 166 | } |
||
| 167 | } |
||
| 168 | } |
||
| 169 | var _29=1/_21.bounds.scale; |
||
| 170 | if(_21.bounds.to<=_21.bounds.from||isNaN(_29)||!isFinite(_29)||_23<=0||isNaN(_23)||!isFinite(_23)){ |
||
| 171 | return null; |
||
| 172 | } |
||
| 173 | var _2a=[],_2b=[],_2c=[];
|
||
| 174 | while(_24<=_21.bounds.to+_29){
|
||
| 175 | if(Math.abs(_26-_24)<_23/2){ |
||
| 176 | _25={value:_26};
|
||
| 177 | if(_22.majorLabels){
|
||
| 178 | _25.label=_5(_26,_21.major.prec,_22); |
||
| 179 | } |
||
| 180 | _2a.push(_25); |
||
| 181 | _26+=_21.major.tick; |
||
| 182 | _27+=_21.minor.tick; |
||
| 183 | _28+=_21.micro.tick; |
||
| 184 | }else{
|
||
| 185 | if(Math.abs(_27-_24)<_23/2){ |
||
| 186 | if(_22.minorTicks){
|
||
| 187 | _25={value:_27};
|
||
| 188 | if(_22.minorLabels&&(_21.minMinorStep<=_21.minor.tick*_21.bounds.scale)){
|
||
| 189 | _25.label=_5(_27,_21.minor.prec,_22); |
||
| 190 | } |
||
| 191 | _2b.push(_25); |
||
| 192 | } |
||
| 193 | _27+=_21.minor.tick; |
||
| 194 | _28+=_21.micro.tick; |
||
| 195 | }else{
|
||
| 196 | if(_22.microTicks){
|
||
| 197 | _2c.push({value:_28});
|
||
| 198 | } |
||
| 199 | _28+=_21.micro.tick; |
||
| 200 | } |
||
| 201 | } |
||
| 202 | _24+=_23; |
||
| 203 | } |
||
| 204 | return {major:_2a,minor:_2b,micro:_2c}; |
||
| 205 | },getTransformerFromModel:function(_2d){ |
||
| 206 | var _2e=_2d.bounds.from,_2f=_2d.bounds.scale;
|
||
| 207 | return function(x){ |
||
| 208 | return (x-_2e)*_2f;
|
||
| 209 | }; |
||
| 210 | },getTransformerFromPlot:function(_30){ |
||
| 211 | var _31=_30.bounds.from,_32=_30.bounds.scale;
|
||
| 212 | return function(x){ |
||
| 213 | return x/_32+_31;
|
||
| 214 | }; |
||
| 215 | }}); |
||
| 216 | })(); |
||
| 217 | } |