Enhancing the Angular UI Bootstrap Accordion: Customizing the header with a new class

I currently have a functional accordion implemented as shown below

<accordion-group is-open="open.first">
        <accordion-heading>
          My Title
        </accordion-heading>
</accordion-group>

The "Accordion-heading" directive transforms into the following structure

    <h4 class="panel-title">
    <a class="accordion-toggle" 
accordion-transclude="heading" ng-click="toggleOpen()" href="">
My Title
    </h4>

Now, my goal is to toggle a class on the h4 element whenever a user clicks on the accordion option/title. The equivalent jQuery code for achieving this functionality would be:

$('.panel-heading .panel-title').on('click', function () {   
    $(this).toggleClass('actives'); 
 });

I believe I need to create a directive to accomplish this task, but I am unsure about the exact approach. Any guidance on how to proceed with creating the directive would be greatly appreciated.

javascriptangularjstwitter-bootstrapaccordion

Answer №1

If you are utilizing ng-repeat with your <accordion-group> directive, here's a way to accomplish the desired functionality:

<accordion-group ng-repeat="group in groups" ng-init="group.isOpen = false" ng-class="{'open': group.isOpen}" is-open="group.isOpen">

In this snippet, a new variable named isOpen is initialized within the $scope using ng-init. This variable is linked to each individual group being iterated over (group.isOpen). By default, I've set it to false so that all accordion groups begin in a closed state. The value of this variable is then assigned to is-open. When an accordion group is clicked and opened, the directive will automatically update group.isOpen to true. Consequently, the ng-class expression will evaluate to true as well, adding the "open" class to the panel-heading within the DOM.

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