app/templates/modals/remove-previous-event.hbs
{{#modal-dialog}}
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true" aria-label="Dismiss">×</button>
<h4 class="modal-title">Confirmation</h4>
</div>
<div class="modal-body">
Are you sure you want to remove reference to {{model.event.name}} from this computer?
This event, however, will be still reachable by url for anyone.
</div>
<div class="modal-footer">
<button type="button" class="btn btn-primary" {{action "invokeAction" model.actions.yes_remember}}>Yes, don't show this message again</button>
<button type="button" class="btn btn-primary" {{action "invokeAction" model.actions.yes}}>Yes</button>
<button type="button" class="btn btn-default" data-dismiss="modal">No</button>
</div>
{{/modal-dialog}}