Utilize AngularJS to determine the specific tag to select from a set list of Parse objects

I have a controller in AngularJS that retrieves objects from the backend using Parse:

function MyController() {
    var self = this;
    var listObjects;

    function fetchObjects() {
        var myObject = Parse.Object.extend("MyObject");
        var query = new Parse.Query(myObject);

        query.find().then(function(objects) {
            for (var i = 0; i < objects.length; i++) {
                var object = objects[i];
                self.listObjects.push(object);
            }
        }, function(error) {
          console.log("ERROR: " + error);
        });
    }

    fetchObjects();

    self.fetchObjects = fetchObjects;
}

I am attempting to populate a <select> element with these objects using:

<select ng-options="object.Name for object in myController.listObjects"></select> 

The issue I'm facing is that listObjects appears to be inaccessible within my function. When I try to log listObjects, it returns as undefined. Is there a way to ensure that my <select> dropdown is populated when the page loads? I've also tried triggering my function on an onLoad event without success. Any suggestions or advice would be greatly welcomed.

Answer №1

It's crucial to ensure that listObjects is defined as an array in order to access its properties.

Instead of

var listObjects;

Try using

var listObjects = [];

This way, you can utilize array.prototype methods and other functionalities.

For a demonstration, check out this JsFiddle link: http://jsfiddle.net/chrislewispac/0bmd2rxd/

Answer №2

Start by establishing shared objects within the controller's scope.

$scope.listItems = ....

Next, utilize the following code:

<select ng-options="item.Name for item in listItems track by item.id"></select>

This will create an <option> tag for each item in listItems like so:

<option value="value obtained from item.id">item.Name</option>

Alternatively, you can use ng-repeat on the option tag as shown below:

<select>
   <option ng-repeat="item in listItems" value="{{item.id}}">{{item.Name}}</option>
</select>

Make sure to properly define your listItems within the $scope of the controller.

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