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@Asherlc
Created November 4, 2015 01:04
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Association Computation
import Ember from 'ember';
export default Ember.Controller.extend({
appName:'Ember Twiddle',
actions: {
addWord: function() {
var word = this.store.createRecord('word', {
});
this
.get('model')
.get('pages')
.get('firstObject')
.get('words')
.pushObject(word)
}
}
});
import Ember from 'ember';
export default Ember.Route.extend({
model: function() {
return this.store.createRecord('book', {
pages: [
this.store.createRecord('page')
]
});
}
});
<h1>Welcome to {{appName}}</h1>
<br>
<button {{action 'addWord'}}>Add Word</button>
<br>
Book:{{model.title}}
<br>
<br>
{{#each model.pages as |page|}}
{{page}}:{{page.number}}
<br>
{{#each page.words as |word|}}
{{word}}
{{/each}}
<br>
{{/each}}
<br>
<br>
import DS from 'ember-data';
import Ember from 'ember';
export default DS.Model.extend({
title: DS.attr('string'),
pages: DS.hasMany('page'),
pageNumbers: Ember.observer('pages.@each.words.[]', function() {
console.log('i should trigger each time a word is added to a page');
})
});
import DS from 'ember-data';
export default DS.Model.extend({
number: DS.attr('number'),
words: DS.hasMany('word')
});
import DS from 'ember-data';
export default DS.Model.extend({
});
{
"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"
}
}
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