diff options
author | Andrew Dolgov <[email protected]> | 2013-03-18 10:26:24 +0400 |
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committer | Andrew Dolgov <[email protected]> | 2013-03-18 10:26:26 +0400 |
commit | f0cfe83e3725f9a3928da97a6e3085e79cb25309 (patch) | |
tree | 4b0af188defaa807c7bc6ff3a101b41c9166c463 /lib/dojo/store/util/QueryResults.js.uncompressed.js | |
parent | 9a2885da170ffd64358b99194095851a2d09c1b6 (diff) |
upgrade dojo to 1.8.3 (refs #570)
Diffstat (limited to 'lib/dojo/store/util/QueryResults.js.uncompressed.js')
-rw-r--r-- | lib/dojo/store/util/QueryResults.js.uncompressed.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/dojo/store/util/QueryResults.js.uncompressed.js b/lib/dojo/store/util/QueryResults.js.uncompressed.js new file mode 100644 index 000000000..58503179a --- /dev/null +++ b/lib/dojo/store/util/QueryResults.js.uncompressed.js @@ -0,0 +1,63 @@ +define("dojo/store/util/QueryResults", ["../../_base/array", "../../_base/lang", "../../_base/Deferred" +], function(array, lang, Deferred){ + +// module: +// dojo/store/util/QueryResults + +var QueryResults = function(results){ + // summary: + // A function that wraps the results of a store query with additional + // methods. + // description: + // QueryResults is a basic wrapper that allows for array-like iteration + // over any kind of returned data from a query. While the simplest store + // will return a plain array of data, other stores may return deferreds or + // promises; this wrapper makes sure that *all* results can be treated + // the same. + // + // Additional methods include `forEach`, `filter` and `map`. + // results: Array|dojo/promise/Promise + // The result set as an array, or a promise for an array. + // returns: + // An array-like object that can be used for iterating over. + // example: + // Query a store and iterate over the results. + // + // | store.query({ prime: true }).forEach(function(item){ + // | // do something + // | }); + + if(!results){ + return results; + } + // if it is a promise it may be frozen + if(results.then){ + results = lang.delegate(results); + } + function addIterativeMethod(method){ + if(!results[method]){ + results[method] = function(){ + var args = arguments; + return Deferred.when(results, function(results){ + Array.prototype.unshift.call(args, results); + return QueryResults(array[method].apply(array, args)); + }); + }; + } + } + addIterativeMethod("forEach"); + addIterativeMethod("filter"); + addIterativeMethod("map"); + if(!results.total){ + results.total = Deferred.when(results, function(results){ + return results.length; + }); + } + return results; // Object +}; + +lang.setObject("dojo.store.util.QueryResults", QueryResults); + +return QueryResults; + +}); |