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Sorting an ArrayController backed by Ember-Data via sortProperty mixin

Asked By: Anonymous

I’d like to be able to sort an ArrayController whose content arises from an ember-data query. Unfortunately, the sortProperty mixin doesn’t seem to work in this case.

I’d like to be able to do the following:

App = Ember.Application.create(); = DS.Store.create({ revision: 4});

App.Item = DS.Model.extend({
    id: DS.attr('string'),
    name: DS.attr('string')
});, {id: '4', name: 'banana' });, {id: '2', name: 'apple'});, {id: '6', name: 'spaghetti'}); 

App.ItemsController = Ember.ArrayController.create({
    sortProperties: ['name']

With the latest version of Ember and Ember-data, this gives the output:

[ id: 4, name: banana ]

[ id: 2, name: apple ]

[ id: 6, name: spaghetti ]

The issue here is that returns a RecordArray whose content property is not simply an array of App.Item instances (in this case, content is [2, 3, 4])

To actually get my hands on the instances I need to use something like objectAt(). But even if I extract the App.Item instances from the RecordArray and dump them in an ordinary array, things don’t work as expected.

Am I missing the obvious way to do this, or is this just the present state of the framework? I’d rather not have to replicate all of my models as plain objects just to sort them.


I got around the issue by making my own custom ArrayController. Still, it would be nice if things worked as above.

EDIT #2:

Original Handlebars template:

<script type="text/x-handlebars">
    {{#each App.ItemsController.content }}
        <p>[ id: {{id}}, name: {{name}} ]</p>

(Also, I had used a sortProperty property instead of sortProperties in my code above, but that was just a typo.)

And yes, if one instead uses

<script type="text/x-handlebars">
    {{#each App.ItemsController.arrangedContent }}
        <p>[ id: {{id}}, name: {{name}} ]</p>

Then we get exactly what we want:

[ id: 2, name: apple ]

[ id: 4, name: banana ]

[ id: 6, name: spaghetti ]


Answered By: Anonymous

As of Ember 1.1.2 and ember-data 1.0.0-beta.3, and probably earlier, just setting sortProperties on the Controller is enough. sortAscending can be set to true or false depending on which direction you want to sort.

App.ArrayController = Ember.ArrayController.extend({
  sortProperties: ['name'],
  sortAscending: true

However, note that

sortProperties: ['id']

appears to sort lexically rather than numerically. I got around the lexical sorting by a created_at timestamp, but there may be another way around it.

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