YNU_JEUS/admin_home/dojo/dojox/charting/scaler/linear.js

/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.charting.scaler.linear"]){dojo._hasResource["dojox.charting.scaler.linear"]=true;dojo.provide("dojox.charting.scaler.linear");dojo.require("dojox.charting.scaler.common");(function(){var _1=3,dc=dojox.charting,_2=dc.scaler,_3=_2.common,_4=_3.findString,_5=_3.getNumericLabel;var _6=function(_7,_8,_9,_a,_b,_c,_d){_9=dojo.delegate(_9);if(!_a){if(_9.fixUpper=="major"){_9.fixUpper="minor";}if(_9.fixLower=="major"){_9.fixLower="minor";}}if(!_b){if(_9.fixUpper=="minor"){_9.fixUpper="micro";}if(_9.fixLower=="minor"){_9.fixLower="micro";}}if(!_c){if(_9.fixUpper=="micro"){_9.fixUpper="none";}if(_9.fixLower=="micro"){_9.fixLower="none";}}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;if(_9.useMin){_7=_e;}if(_9.useMax){_8=_f;}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);if(!isFinite(_1a)){_1a=1;}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};};dojo.mixin(dojox.charting.scaler.linear,{buildScaler:function(min,max,_1b,_1c){var h={fixUpper:"none",fixLower:"none",natural:false};if(_1c){if("fixUpper" in _1c){h.fixUpper=String(_1c.fixUpper);}if("fixLower" in _1c){h.fixLower=String(_1c.fixLower);}if("natural" in _1c){h.natural=Boolean(_1c.natural);}}if("min" in _1c){min=_1c.min;}if("max" in _1c){max=_1c.max;}if(_1c.includeZero){if(min>0){min=0;}if(max<0){max=0;}}h.min=min;h.useMin=true;h.max=max;h.useMax=true;if("from" in _1c){min=_1c.from;h.useMin=false;}if("to" in _1c){max=_1c.to;h.useMax=false;}if(max<=min){return _6(min,max,h,0,0,0,_1b);}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;if(_1c&&("minorTickStep" in _1c)){_1e=_1c.minorTickStep;}else{do{_1e=_1d/10;if(!h.natural||_1e>0.9){_20=_6(min,max,h,_1d,_1e,0,_1b);if(_20.bounds.scale*_20.minor.tick>_1){break;}}_1e=_1d/5;if(!h.natural||_1e>0.9){_20=_6(min,max,h,_1d,_1e,0,_1b);if(_20.bounds.scale*_20.minor.tick>_1){break;}}_1e=_1d/2;if(!h.natural||_1e>0.9){_20=_6(min,max,h,_1d,_1e,0,_1b);if(_20.bounds.scale*_20.minor.tick>_1){break;}}return _6(min,max,h,_1d,0,0,_1b);}while(false);}if(_1c&&("microTickStep" in _1c)){_1f=_1c.microTickStep;_20=_6(min,max,h,_1d,_1e,_1f,_1b);}else{do{_1f=_1e/10;if(!h.natural||_1f>0.9){_20=_6(min,max,h,_1d,_1e,_1f,_1b);if(_20.bounds.scale*_20.micro.tick>_1){break;}}_1f=_1e/5;if(!h.natural||_1f>0.9){_20=_6(min,max,h,_1d,_1e,_1f,_1b);if(_20.bounds.scale*_20.micro.tick>_1){break;}}_1f=_1e/2;if(!h.natural||_1f>0.9){_20=_6(min,max,h,_1d,_1e,_1f,_1b);if(_20.bounds.scale*_20.micro.tick>_1){break;}}_1f=0;}while(false);}return _1f?_20:_6(min,max,h,_1d,_1e,0,_1b);},buildTicks:function(_21,_22){var _23,_24,_25,_26=_21.major.start,_27=_21.minor.start,_28=_21.micro.start;if(_22.microTicks&&_21.micro.tick){_23=_21.micro.tick,_24=_28;}else{if(_22.minorTicks&&_21.minor.tick){_23=_21.minor.tick,_24=_27;}else{if(_21.major.tick){_23=_21.major.tick,_24=_26;}else{return null;}}}var _29=1/_21.bounds.scale;if(_21.bounds.to<=_21.bounds.from||isNaN(_29)||!isFinite(_29)||_23<=0||isNaN(_23)||!isFinite(_23)){return null;}var _2a=[],_2b=[],_2c=[];while(_24<=_21.bounds.to+_29){if(Math.abs(_26-_24)<_23/2){_25={value:_26};if(_22.majorLabels){_25.label=_5(_26,_21.major.prec,_22);}_2a.push(_25);_26+=_21.major.tick;_27+=_21.minor.tick;_28+=_21.micro.tick;}else{if(Math.abs(_27-_24)<_23/2){if(_22.minorTicks){_25={value:_27};if(_22.minorLabels&&(_21.minMinorStep<=_21.minor.tick*_21.bounds.scale)){_25.label=_5(_27,_21.minor.prec,_22);}_2b.push(_25);}_27+=_21.minor.tick;_28+=_21.micro.tick;}else{if(_22.microTicks){_2c.push({value:_28});}_28+=_21.micro.tick;}}_24+=_23;}return {major:_2a,minor:_2b,micro:_2c};},getTransformerFromModel:function(_2d){var _2e=_2d.bounds.from,_2f=_2d.bounds.scale;return function(x){return (x-_2e)*_2f;};},getTransformerFromPlot:function(_30){var _31=_30.bounds.from,_32=_30.bounds.scale;return function(x){return x/_32+_31;};}});})();}