sorting troubles in ng-options

[Mike Brennan]

http://jsfiddle.net/mjb14/5PsWJ/1/

Rather than having a simple array of objects, I am using an object to power the <select> box.  The fiddle has the select working fine, I am just having trouble getting the order by to work.  Is it possible to sort on a key of a value?  I need the data in this structure because I use it to do lookups.  My alternative right now is to generate the data 2x in 2 different formats, but that isn't ideal.

  $scope.metaData = {

    "column": {

        "application_id": {

            "foreign_key_data": {

                "1": {

                    "application_name": "mojo_rose",

                    "descr": "Mojo Rose framework project",

                    "application_id": "1"

                },

                "2": {

                    "application_name": "eas",

                    "descr": "EAS utility apps",

                    "application_id": "2"

                },

                "3": {

                    "application_name": "app_security",

                    "descr": "Application Security project",

                    "application_id": "3"

                }

            }

        }

    }

};

HTML:

 <select id="form-application_id" ng-model="formData.application_id" ng-options="k as v.application_name for (k,v) in metaData.column.application_id.foreign_key_data" >

<option value=""></option>

</select>

[Pawel Kozlowski]

Hi!

The orderBy filter works only with arrays: https://github.com/angular/angular.js/blob/master/src/ng/filter/orderBy.js#L92

It kind of makes sense since AFAIK you can't grantee iteration order over object keys in JavaScript. AngularJS would have to change your data model behind the scenes...

Cheers,

Pawel

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[Carl Chouinard]

You can use a custom filter to do what you want. Check this blog post that describe the filter: http://justinklemm.com/angularjs-filter-ordering-objects-ngrepeat/

[Kumar R]

Welcome Carl Chouinard,

refer this link you can get some idea:

http://argutech.blogspot.in/2013/10/angularjs-sorting-array-itmes-using.html

Thanks.

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