From 1354d17270961fff662d40f90521223f8fd0d73b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Tue, 14 Aug 2012 18:59:10 +0400
Subject: update dojo to 1.7.3

---
 lib/dojo/data/util/sorter.js.uncompressed.js | 99 ++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 lib/dojo/data/util/sorter.js.uncompressed.js

(limited to 'lib/dojo/data/util/sorter.js.uncompressed.js')

diff --git a/lib/dojo/data/util/sorter.js.uncompressed.js b/lib/dojo/data/util/sorter.js.uncompressed.js
new file mode 100644
index 000000000..82356858c
--- /dev/null
+++ b/lib/dojo/data/util/sorter.js.uncompressed.js
@@ -0,0 +1,99 @@
+define("dojo/data/util/sorter", ["dojo/_base/lang"], function(lang) {
+	// module:
+	//		dojo/data/util/sorter
+	// summary:
+	//		TODOC
+
+var sorter = lang.getObject("dojo.data.util.sorter", true);
+
+sorter.basicComparator = function(	/*anything*/ a,
+													/*anything*/ b){
+	//	summary:
+	//		Basic comparision function that compares if an item is greater or less than another item
+	//	description:
+	//		returns 1 if a > b, -1 if a < b, 0 if equal.
+	//		'null' values (null, undefined) are treated as larger values so that they're pushed to the end of the list.
+	//		And compared to each other, null is equivalent to undefined.
+
+	//null is a problematic compare, so if null, we set to undefined.
+	//Makes the check logic simple, compact, and consistent
+	//And (null == undefined) === true, so the check later against null
+	//works for undefined and is less bytes.
+	var r = -1;
+	if(a === null){
+		a = undefined;
+	}
+	if(b === null){
+		b = undefined;
+	}
+	if(a == b){
+		r = 0;
+	}else if(a > b || a == null){
+		r = 1;
+	}
+	return r; //int {-1,0,1}
+};
+
+sorter.createSortFunction = function(	/* attributes array */sortSpec, /*dojo.data.core.Read*/ store){
+	//	summary:
+	//		Helper function to generate the sorting function based off the list of sort attributes.
+	//	description:
+	//		The sort function creation will look for a property on the store called 'comparatorMap'.  If it exists
+	//		it will look in the mapping for comparisons function for the attributes.  If one is found, it will
+	//		use it instead of the basic comparator, which is typically used for strings, ints, booleans, and dates.
+	//		Returns the sorting function for this particular list of attributes and sorting directions.
+	//
+	//	sortSpec: array
+	//		A JS object that array that defines out what attribute names to sort on and whether it should be descenting or asending.
+	//		The objects should be formatted as follows:
+	//		{
+	//			attribute: "attributeName-string" || attribute,
+	//			descending: true|false;   // Default is false.
+	//		}
+	//	store: object
+	//		The datastore object to look up item values from.
+	//
+	var sortFunctions=[];
+
+	function createSortFunction(attr, dir, comp, s){
+		//Passing in comp and s (comparator and store), makes this
+		//function much faster.
+		return function(itemA, itemB){
+			var a = s.getValue(itemA, attr);
+			var b = s.getValue(itemB, attr);
+			return dir * comp(a,b); //int
+		};
+	}
+	var sortAttribute;
+	var map = store.comparatorMap;
+	var bc = sorter.basicComparator;
+	for(var i = 0; i < sortSpec.length; i++){
+		sortAttribute = sortSpec[i];
+		var attr = sortAttribute.attribute;
+		if(attr){
+			var dir = (sortAttribute.descending) ? -1 : 1;
+			var comp = bc;
+			if(map){
+				if(typeof attr !== "string" && ("toString" in attr)){
+					 attr = attr.toString();
+				}
+				comp = map[attr] || bc;
+			}
+			sortFunctions.push(createSortFunction(attr,
+				dir, comp, store));
+		}
+	}
+	return function(rowA, rowB){
+		var i=0;
+		while(i < sortFunctions.length){
+			var ret = sortFunctions[i++](rowA, rowB);
+			if(ret !== 0){
+				return ret;//int
+			}
+		}
+		return 0; //int
+	}; // Function
+};
+
+return sorter;
+});
-- 
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