Why is my model not being updated when selecting an option in Angular UI Select-UI?

I want to streamline the use of select-ui by creating a wrapper in a directive. This way, I can easily update the control in one place and avoid the hassle of scattering it all over my site.

Despite building a wrapper, I'm facing an issue where the value in the select isn't getting updated.

Check out this plunkr for an example of the code:

http://plnkr.co/edit/QZP0MsDQOmafOW3dcfhT?p=preview

To use the ui-select, simply do the following:

<div dropdown-select ng-model="input"></div>

EDIT:

I may not have explained myself clearly, but what I want is to use ng-model on the wrapper directive called dropdown-select. I don't want to be restricted to using the same scope variable names every time I implement dropdown-select.

For instance, with inputs, you can do:

<input ng-model="input1" />
<input ng-model="myVarName" />
<input ng-model="somethingDifferent" />

All three examples above will work and hold values from the input.

Similarly, I want to achieve the same flexibility with the wrapper directive I've used, just like with inputs and other controls.

Therefore, I should be able to do:

<div dropdown-select ng-model="input1"></div>
<div dropdown-select ng-model="myItem"></div>
<div dropdown-select ng-model="whateverIWant"></div>

The select-ui should then populate the selected item into these scope variables once a value is selected.

Here's a plunkr with 2 instances of the dropdown-select wrapper, neither showing the selected value when the select-ui value is chosen:

http://plnkr.co/edit/k6Bb4MRqNwD8Ar1HVMJU?p=preview

Answer №1

Consider including .id in the ng-model attribute within the directive template. (Alternatively, you can use a different key, such as .data)

template: '<ui-select ng-model="ngModel.id">' + ....

If you wish to assign an initial value in your controller, you should incorporate something similar to this:

$scope.input = {"id":{"id":2,"name":"item 2"}};

The first id key in the object refers to the one utilized in ng-model.

http://plnkr.co/edit/1t4kKYnU0PFYXRP3vQAP?p=preview

Answer №2

Here is the correct solution for your issue!

Make sure to update your JavaScript code as follows:

     angular.module('dgUi', ['ui.select', 'ngSanitize'])

        .config(['uiSelectConfig', function(uiSelectConfig){
          uiSelectConfig.theme = 'bootstrap';
        }])

        .controller('BaseController', ['$scope', function($scope) {
          // Modified to use $scope.data instead of $scope.input
          $scope.data = {"results":{
              id:0, 
              name:'item0'}
          };
        }])

        .controller('DropdownSelectController', ['$scope', function ($scope) {
          $scope.items = [];

          $scope.refresh = function (text) {
                $scope.items = [];

                for (var i = 0; i < 100; i++) {
                  $scope.items.push({id: i, name: 'item ' + i});
                }
          };
        }])

        .directive('dropdownSelect', function () {
            'use strict';

        // Ensure not to alter ng-model="input.name" as
        // it needs to remain consistent as a directive

            return {
                restrict: 'A',
                scope: false,
                controller: 'DropdownSelectController',
                template: '{{data.results}}<ui-select ng-model="data.results">' +
                               '<ui-select-match placeholder="Enter an address...">{{$select.selected.name}}</ui-select-match>' +
                               '<ui-select-choices repeat="item in items track by $index"' +
                               '    refresh="refresh($select.search)"' +
                               '    refresh-delay="0">' +
                               '   <div ng-bind-html="item.name | highlight: $select.search"></div>' +
                               '</ui-select-choices>' +
                           '</ui-select>',
                link: function (scope, element, attrs, ctrl) {

                }
            }
        });

Your updated HTML should look like this:

value in $scope.input: {{ data.results }}

<div class="form-group" style="width:300px">
  <label>select an item</label>

  <!-- Updated here to display data -->
  <div dropdown-select ></div>
</div>

For a working example, visit:

http://plnkr.co/edit/VuktEq?p=info

Answer №3

Personally, I encountered an issue with the

element where the text was not updating correctly. To resolve this, I implemented the following code:</p>

<pre><code>$timeout(function () {
    $('#ownerdetail').trigger("create");
    $('#selectdcontact').selectmenu().selectmenu('refresh'); //This fixed the problem
    $('#selectdcust').selectmenu().selectmenu('refresh'); //This fixed the problem
  });

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