yielding actions

application.controller.js

import Ember from 'ember';

const { Controller, computed } = Ember;

export default Controller.extend({
  totalItems: 3,
  items: computed(function() {
    return [
      {id: 1, title:'1'},
      {id: 2, title:'2'},
      {id: 3, title:'3'},
    ];
  })
});

application.template.hbs

<h1>Select all component?</h1>
<br>
<br>
{{#selectable-list displayItems=items numTotalItems=totalItems as |onCheckboxChange|}}

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

selectable-list.component.js

import Ember from 'ember';

const { Component } = Ember;
const ALL = Symbol();
const ALL_EXCEPT = Symbol();
const SOME = Symbol();
const NONE = Symbol();

export default Component.extend({
  // Server total of items, this can either be virtual or actual total
  numTotalItems: 0,
  // Items which are currently displayed
  displayItems: [],
  selectedItemIds: [],
  delectedItemIds: [],
  selectionState: NONE,
  
  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/2.1.4/jquery.js",
    "ember": "2.0.2",
    "ember-template-compiler": "2.0.2"
  }
}