root / trunk / web / dojo / dojox / charting / axis2d / Invisible.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.axis2d.Invisible"]){ |
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dojo._hasResource["dojox.charting.axis2d.Invisible"]=true; |
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dojo.provide("dojox.charting.axis2d.Invisible");
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dojo.require("dojox.charting.scaler.linear");
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dojo.require("dojox.charting.axis2d.common");
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dojo.require("dojox.charting.axis2d.Base");
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dojo.require("dojo.string");
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dojo.require("dojox.gfx");
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dojo.require("dojox.lang.functional");
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dojo.require("dojox.lang.utils");
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(function(){
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var dc=dojox.charting,df=dojox.lang.functional,du=dojox.lang.utils,g=dojox.gfx,_1=dc.scaler.linear,_2=du.merge,_3=4,_4=45; |
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dojo.declare("dojox.charting.axis2d.Invisible",dojox.charting.axis2d.Base,{defaultParams:{vertical:false,fixUpper:"none",fixLower:"none",natural:false,leftBottom:true,includeZero:false,fixed:true,majorLabels:true,minorTicks:true,minorLabels:true,microTicks:false,rotation:0},optionalParams:{min:0,max:1,from:0,to:1,majorTickStep:4,minorTickStep:2,microTickStep:1,labels:[],labelFunc:null,maxLabelSize:0},constructor:function(_5,_6){ |
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this.opt=dojo.delegate(this.defaultParams,_6); |
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du.updateWithPattern(this.opt,_6,this.optionalParams); |
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},dependOnData:function(){ |
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return !("min" in this.opt)||!("max" in this.opt); |
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},clear:function(){ |
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delete this.scaler; |
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delete this.ticks; |
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this.dirty=true; |
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return this; |
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},initialized:function(){ |
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return "scaler" in this&&!(this.dirty&&this.dependOnData()); |
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},setWindow:function(_7,_8){ |
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this.scale=_7;
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this.offset=_8;
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return this.clear(); |
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},getWindowScale:function(){ |
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return "scale" in this?this.scale:1; |
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},getWindowOffset:function(){ |
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return "offset" in this?this.offset:0; |
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},_groupLabelWidth:function(_9,_a){ |
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if(!_9.length){
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return 0; |
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} |
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if(dojo.isObject(_9[0])){ |
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_9=df.map(_9,function(_b){
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return _b.text;
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}); |
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} |
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var s=_9.join("<br>"); |
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return dojox.gfx._base._getTextBox(s,{font:_a}).w||0; |
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},calculate:function(_c,_d,_e,_f){ |
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if(this.initialized()){ |
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return this; |
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} |
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var o=this.opt; |
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this.labels="labels" in o?o.labels:_f; |
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this.scaler=_1.buildScaler(_c,_d,_e,o);
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var tsb=this.scaler.bounds; |
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if("scale" in this){ |
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o.from=tsb.lower+this.offset;
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o.to=(tsb.upper-tsb.lower)/this.scale+o.from;
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if(!isFinite(o.from)||isNaN(o.from)||!isFinite(o.to)||isNaN(o.to)||o.to-o.from>=tsb.upper-tsb.lower){
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delete o.from;
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delete o.to;
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delete this.scale; |
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delete this.offset; |
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}else{
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if(o.from<tsb.lower){
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o.to+=tsb.lower-o.from; |
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o.from=tsb.lower; |
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}else{
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if(o.to>tsb.upper){
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o.from+=tsb.upper-o.to; |
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o.to=tsb.upper; |
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} |
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} |
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this.offset=o.from-tsb.lower;
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} |
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this.scaler=_1.buildScaler(_c,_d,_e,o);
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tsb=this.scaler.bounds;
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if(this.scale==1&&this.offset==0){ |
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delete this.scale; |
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delete this.offset; |
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} |
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} |
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var ta=this.chart.theme.axis,_10=0,_11=o.rotation%360,_12=o.font||(ta.majorTick&&ta.majorTick.font)||(ta.tick&&ta.tick.font),_13=_12?g.normalizedLength(g.splitFontString(_12).size):0,_14=Math.abs(Math.cos(_11*Math.PI/180)),_15=Math.abs(Math.sin(_11*Math.PI/180)); |
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if(_11<0){ |
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_11+=360;
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} |
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if(_13){
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if(this.vertical?_11!=0&&_11!=180:_11!=90&&_11!=270){ |
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if(o.maxLabelSize){
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_10=o.maxLabelSize; |
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}else{
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if(this.labels){ |
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_10=this._groupLabelWidth(this.labels,_12); |
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}else{
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var _16=Math.ceil(Math.log(Math.max(Math.abs(tsb.from),Math.abs(tsb.to)))/Math.LN10),t=[];
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if(tsb.from<0||tsb.to<0){ |
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t.push("-");
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} |
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t.push(dojo.string.rep("9",_16));
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var _17=Math.floor(Math.log(tsb.to-tsb.from)/Math.LN10);
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if(_17>0){ |
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t.push(".");
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t.push(dojo.string.rep("9",_17));
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} |
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_10=dojox.gfx._base._getTextBox(t.join(""),{font:_12}).w; |
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} |
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} |
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}else{
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_10=_13; |
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} |
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switch(_11){
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case 0: |
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case 90: |
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case 180: |
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case 270: |
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break;
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default:
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var _18=Math.sqrt(_10*_10+_13*_13),_19=this.vertical?_13*_14+_10*_15:_10*_14+_13*_15; |
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_10=Math.min(_18,_19); |
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break;
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} |
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} |
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this.scaler.minMinorStep=_10+_3;
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this.ticks=_1.buildTicks(this.scaler,o); |
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return this; |
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},getScaler:function(){ |
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return this.scaler; |
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},getTicks:function(){ |
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return this.ticks; |
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}}); |
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})(); |
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} |