see: http://dojotoolkit.org/license for details
*/
-
-if(!dojo._hasResource["dojo.store.util.SimpleQueryEngine"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojo.store.util.SimpleQueryEngine"] = true;
-dojo.provide("dojo.store.util.SimpleQueryEngine");
-
-dojo.getObject("store.util", true, dojo);
-
-dojo.store.util.SimpleQueryEngine = function(query, options){
- // summary:
- // Simple query engine that matches using filter functions, named filter
- // functions or objects by name-value on a query object hash
- //
- // description:
- // The SimpleQueryEngine provides a way of getting a QueryResults through
- // the use of a simple object hash as a filter. The hash will be used to
- // match properties on data objects with the corresponding value given. In
- // other words, only exact matches will be returned.
- //
- // This function can be used as a template for more complex query engines;
- // for example, an engine can be created that accepts an object hash that
- // contains filtering functions, or a string that gets evaluated, etc.
- //
- // When creating a new dojo.store, simply set the store's queryEngine
- // field as a reference to this function.
- //
- // query: Object
- // An object hash with fields that may match fields of items in the store.
- // Values in the hash will be compared by normal == operator, but regular expressions
- // or any object that provides a test() method are also supported and can be
- // used to match strings by more complex expressions
- // (and then the regex's or object's test() method will be used to match values).
- //
- // options: dojo.store.util.SimpleQueryEngine.__queryOptions?
- // An object that contains optional information such as sort, start, and count.
- //
- // returns: Function
- // A function that caches the passed query under the field "matches". See any
- // of the "query" methods on dojo.stores.
- //
- // example:
- // Define a store with a reference to this engine, and set up a query method.
- //
- // | var myStore = function(options){
- // | // ...more properties here
- // | this.queryEngine = dojo.store.util.SimpleQueryEngine;
- // | // define our query method
- // | this.query = function(query, options){
- // | return dojo.store.util.QueryResults(this.queryEngine(query, options)(this.data));
- // | };
- // | };
-
- // create our matching query function
- switch(typeof query){
- default:
- throw new Error("Can not query with a " + typeof query);
- case "object": case "undefined":
- var queryObject = query;
- query = function(object){
- for(var key in queryObject){
- var required = queryObject[key];
- if(required && required.test){
- if(!required.test(object[key])){
- return false;
- }
- }else if(required != object[key]){
- return false;
- }
- }
- return true;
- };
- break;
- case "string":
- // named query
- if(!this[query]){
- throw new Error("No filter function " + query + " was found in store");
- }
- query = this[query];
- // fall through
- case "function":
- // fall through
- }
- function execute(array){
- // execute the whole query, first we filter
- var results = dojo.filter(array, query);
- // next we sort
- if(options && options.sort){
- results.sort(function(a, b){
- for(var sort, i=0; sort = options.sort[i]; i++){
- var aValue = a[sort.attribute];
- var bValue = b[sort.attribute];
- if (aValue != bValue) {
- return !!sort.descending == aValue > bValue ? -1 : 1;
- }
- }
- return 0;
- });
- }
- // now we paginate
- if(options && (options.start || options.count)){
- var total = results.length;
- results = results.slice(options.start || 0, (options.start || 0) + (options.count || Infinity));
- results.total = total;
- }
- return results;
- }
- execute.matches = query;
- return execute;
-};
-
-}
+//>>built
+define("dojo/store/util/SimpleQueryEngine",["../../_base/array"],function(_1){return function(_2,_3){switch(typeof _2){default:throw new Error("Can not query with a "+typeof _2);case "object":case "undefined":var _4=_2;_2=function(_5){for(var _6 in _4){var _7=_4[_6];if(_7&&_7.test){if(!_7.test(_5[_6])){return false;}}else{if(_7!=_5[_6]){return false;}}}return true;};break;case "string":if(!this[_2]){throw new Error("No filter function "+_2+" was found in store");}_2=this[_2];case "function":}function _8(_9){var _a=_1.filter(_9,_2);if(_3&&_3.sort){_a.sort(function(a,b){for(var _b,i=0;_b=_3.sort[i];i++){var _c=a[_b.attribute];var _d=b[_b.attribute];if(_c!=_d){return !!_b.descending==_c>_d?-1:1;}}return 0;});}if(_3&&(_3.start||_3.count)){var _e=_a.length;_a=_a.slice(_3.start||0,(_3.start||0)+(_3.count||Infinity));_a.total=_e;}return _a;};_8.matches=_2;return _8;};});
\ No newline at end of file
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