Contextually-Good-Times

components.popover-container.js

import Ember from 'ember';

export default Ember.Component.extend({
  isShowing: false,
  
  actions: {
    toggle() {
      this.toggleProperty('isShowing');
    }
  }
});

components.popover-content.js

import Ember from 'ember';

export default Ember.Component.extend({
});

components.popover-handle.js

import Ember from 'ember';

export default Ember.Component.extend({
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  isShowing: false,
  
  actions: {
  	toggle() {
  		this.toggleProperty('isShowing');
		}
	}
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
{{#popover-container as |popover|}}
	{{#popover.handle tagName="button"}}
  	toggle
  {{/popover.handle}}
  {{#popover.content}}
  	content
  {{/popover.content}}
{{/popover-container}}

<hr />

{{#popover-container}}
	{{#popover-handle tagName="button" click=(action 'toggle')}}
  	toggle
  {{/popover-handle}}
  {{#popover-content isShowing=isShowing}}
  	content
  {{/popover-content}}
  
{{/popover-container}}

templates.components.popover-container.hbs

{{yield (hash
	handle=(component 'popover-handle' click=(action 'toggle'))
  content=(component 'popover-content' isShowing=isShowing)
)}}

templates.components.popover-content.hbs

{{#if isShowing}}
	{{yield}}
{{/if}}

templates.components.popover-handle.hbs

{{yield}}

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}