1 files changed, 76 insertions, 0 deletions
diff --git a/js/dojo/dojox/charting/scaler/common.js b/js/dojo/dojox/charting/scaler/common.js
new file mode 100644
index 0000000..9bc62bd
--- /dev/null
+++ b/js/dojo/dojox/charting/scaler/common.js
@@ -0,0 +1,76 @@
+//>>built
+define("dojox/charting/scaler/common", ["dojo/_base/lang"], function(lang){
+
+	var eq = function(/*Number*/ a, /*Number*/ b){
+		// summary: compare two FP numbers for equality
+		return Math.abs(a - b) <= 1e-6 * (Math.abs(a) + Math.abs(b));	// Boolean
+	};
+	
+	var common = lang.getObject("dojox.charting.scaler.common", true);
+	
+	var testedModules = {};
+
+	return lang.mixin(common, {
+		doIfLoaded: function(moduleName, ifloaded, ifnotloaded){
+			if(testedModules[moduleName] == undefined){
+				try{
+					testedModules[moduleName] = require(moduleName);
+				}catch(e){
+					testedModules[moduleName] = null;
+				}
+			}
+			if(testedModules[moduleName]){
+				return ifloaded(testedModules[moduleName]);
+			}else{
+				return ifnotloaded();
+			}
+		},
+		findString: function(/*String*/ val, /*Array*/ text){
+			val = val.toLowerCase();
+			for(var i = 0; i < text.length; ++i){
+				if(val == text[i]){ return true; }
+			}
+			return false;
+		},
+		getNumericLabel: function(/*Number*/ number, /*Number*/ precision, /*Object*/ kwArgs){
+			var def = "";
+			common.doIfLoaded("dojo/number", function(numberLib){
+				def = (kwArgs.fixed ? numberLib.format(number, {places : precision < 0 ? -precision : 0}) :
+					numberLib.format(number)) || "";
+			}, function(){
+				def = kwArgs.fixed ? number.toFixed(precision < 0 ? -precision : 0) : number.toString();
+			});
+			if(kwArgs.labelFunc){
+				var r = kwArgs.labelFunc(def, number, precision);
+				if(r){ return r; }
+				// else fall through to the regular labels search
+			}
+			if(kwArgs.labels){
+				// classic binary search
+				var l = kwArgs.labels, lo = 0, hi = l.length;
+				while(lo < hi){
+					var mid = Math.floor((lo + hi) / 2), val = l[mid].value;
+					if(val < number){
+						lo = mid + 1;
+					}else{
+						hi = mid;
+					}
+				}
+				// lets take into account FP errors
+				if(lo < l.length && eq(l[lo].value, number)){
+					return l[lo].text;
+				}
+				--lo;
+				if(lo >= 0 && lo < l.length && eq(l[lo].value, number)){
+					return l[lo].text;
+				}
+				lo += 2;
+				if(lo < l.length && eq(l[lo].value, number)){
+					return l[lo].text;
+				}
+				// otherwise we will produce a number
+			}
+			return def;
+		}
+	});
+});