New Twiddle

controllers.list.details.js

import Ember from 'ember';

export default Ember.Controller.extend({
  queryParams: ['something'],
  filter: null,

  actions: {
    reloadList() {
      this.transitionToRoute('list.details', { queryParams: { filter: 'hello' } });
    },
    reloadDetails() {
      this.transitionToRoute('list.details', { queryParams: { something: 'hello' } });
    }
  }
});

controllers.list.js

import Ember from 'ember';

export default Ember.Controller.extend({
  queryParams: ['filter'],
  filter: null
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('list', function() {
    this.route('details');
  });
});

export default Router;

routes.list.details.js

import Ember from 'ember';

export default Ember.Route.extend({
  queryParams: {
    something: {
      refreshModel: true
    }
  },

  model() {
    return new Ember.RSVP.Promise(function(resolve) {
      setTimeout(function() {
        resolve({ "hello": "world" });
      }, 2000);
    });
  }
});

routes.list.js

import Ember from 'ember';

export default Ember.Route.extend({
  queryParams: {
    filter: {
      refreshModel: true
    }
  },

  model() {
    return new Ember.RSVP.Promise(function(resolve) {
      setTimeout(function() {
        resolve({ "hello": "world" });
      }, 2000);
    });
  }
});

templates.application.hbs

<h1>Application</h1>
<nav>
  <ul>
    <li>{{#link-to "application"}}application{{/link-to}}</li>
    <li>{{#link-to "list.details"}}list.details{{/link-to}}</li>
  </ul>
</nav>
<hr />
{{outlet}}

templates.list-loading.hbs

List loading...

templates.list.details-loading.hbs

Details loading...

templates.list.details.hbs

<h3>Details</h3>
{{model.hello}}

<button onclick={{action "reloadList"}}>Reload List</button>
<button onclick={{action "reloadDetails"}}>Reload Details</button>

templates.list.hbs

<h2>List</h2>
{{model.hello}}
<hr />
{{outlet}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}