yielding actions

application.controller.js

import Ember from 'ember';

const { Controller, computed } = Ember;

export default Controller.extend({
  items: computed(function() {
    return ['Item1', 'Item2', 'Item3'];
  })
});

application.template.hbs

<h1>Select all component?</h1>
<br>
<br>


{{#selectable-list items=items as |onCheckboxChange|}}
	{{#each items as |item|}}
  	<label>
      {{input type="checkbox" change=(action onCheckboxChange item)}}
      {{item}}
    </label>
	{{/each}}

{{/selectable-list}}
<br>
<br>

selectable-list.component.js

import Ember from 'ember';

const { Component } = Ember;

export default Component.extend({
  actions: {
    onCheckboxChange(model, event) {
      console.log(model, event.target.checked);
    }
  }
});

selectable-list.template.hbs

{{yield (action 'onCheckboxChange')}}

twiddle.json

{
  "version": "0.4.16",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}