1 files changed, 99 insertions, 0 deletions
diff --git a/js/dojo-1.7.2/dojox/data/util/JsonQuery.js b/js/dojo-1.7.2/dojox/data/util/JsonQuery.js
new file mode 100644
index 0000000..bd90f35
--- /dev/null
+++ b/js/dojo-1.7.2/dojox/data/util/JsonQuery.js
@@ -0,0 +1,99 @@
+//>>built
+define("dojox/data/util/JsonQuery", ["dojo", "dojox"], function(dojo, dojox) {
+
+// this is a mixin to convert object attribute queries to
+// JSONQuery/JSONPath syntax to be sent to the server.
+dojo.declare("dojox.data.util.JsonQuery", null, {
+	useFullIdInQueries: false,
+	_toJsonQuery: function(args, jsonQueryPagination){
+		var first = true;
+		var self = this;
+		function buildQuery(path, query){
+			var isDataItem = query.__id;
+			if(isDataItem){
+				// it is a reference to a persisted object, need to make it a query by id
+				var newQuery = {};
+				newQuery[self.idAttribute] = self.useFullIdInQueries ? query.__id : query[self.idAttribute];
+				query = newQuery;
+			}
+			for(var i in query){
+				// iterate through each property, adding them to the overall query
+				var value = query[i];
+				var newPath = path + (/^[a-zA-Z_][\w_]*$/.test(i) ? '.' + i : '[' + dojo._escapeString(i) + ']');
+				if(value && typeof value == "object"){
+					buildQuery(newPath, value);
+				}else if(value!="*"){ // full wildcards can be ommitted
+					jsonQuery += (first ? "" : "&") + newPath +
+						((!isDataItem && typeof value == "string" && args.queryOptions && args.queryOptions.ignoreCase) ? "~" : "=") +
+						 (self.simplifiedQuery ? encodeURIComponent(value) : dojo.toJson(value));
+					first = false;
+				}
+			}
+		}
+		// performs conversion of Dojo Data query objects and sort arrays to JSONQuery strings
+		if(args.query && typeof args.query == "object"){
+			// convert Dojo Data query objects to JSONQuery
+			var jsonQuery = "[?(";
+			buildQuery("@", args.query);
+			if(!first){
+				// use ' instead of " for quoting in JSONQuery, and end with ]
+				jsonQuery += ")]";
+			}else{
+				jsonQuery = "";
+			}
+			args.queryStr = jsonQuery.replace(/\\"|"/g,function(t){return t == '"' ? "'" : t;});
+		}else if(!args.query || args.query == '*'){
+			args.query = "";
+		}
+		
+		var sort = args.sort;
+		if(sort){
+			// if we have a sort order, add that to the JSONQuery expression
+			args.queryStr = args.queryStr || (typeof args.query == 'string' ? args.query : "");
+			first = true;
+			for(i = 0; i < sort.length; i++){
+				args.queryStr += (first ? '[' : ',') + (sort[i].descending ? '\\' : '/') + "@[" + dojo._escapeString(sort[i].attribute) + "]";
+				first = false;
+			}
+			args.queryStr += ']';
+		}
+		// this is optional because with client side paging JSONQuery doesn't yield the total count
+		if(jsonQueryPagination && (args.start || args.count)){
+			// pagination
+			args.queryStr = (args.queryStr || (typeof args.query == 'string' ? args.query : "")) +
+				'[' + (args.start || '') + ':' + (args.count ? (args.start || 0) + args.count : '') + ']';
+		}
+		if(typeof args.queryStr == 'string'){
+			args.queryStr = args.queryStr.replace(/\\"|"/g,function(t){return t == '"' ? "'" : t;});
+			return args.queryStr;
+		}
+		return args.query;
+	},
+	jsonQueryPagination: true,
+	fetch: function(args){
+		this._toJsonQuery(args, this.jsonQueryPagination);
+		return this.inherited(arguments);
+	},
+	isUpdateable: function(){
+		return true;
+	},
+	matchesQuery: function(item,request){
+		request._jsonQuery = request._jsonQuery || dojox.json.query(this._toJsonQuery(request));
+		return request._jsonQuery([item]).length;
+	},
+	clientSideFetch: function(/*Object*/ request,/*Array*/ baseResults){
+		request._jsonQuery = request._jsonQuery || dojox.json.query(this._toJsonQuery(request));
+		// we use client side paging function here instead of JSON Query because we must also determine the total count
+		return this.clientSidePaging(request, request._jsonQuery(baseResults));
+	},
+	querySuperSet: function(argsSuper,argsSub){
+		if(!argsSuper.query){
+			return argsSub.query;
+		}
+		return this.inherited(arguments);
+	}
+	
+});
+
+return dojox.data.util.JsonQuery;
+});