Component Grid

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'a Grid of Components',
  
  actions: {
    action1() { alert("action1 fired"); },
    action2() { alert("action2 fired"); },
    action3() { alert("action3 fired"); },
    action4() { alert("action4 fired"); },
    action5() { alert("action5 fired"); },
    action6() { alert("action6 fired"); },
    action7() { alert("action7 fired"); },
    action8() { alert("action8 fired"); }
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>

<p>pass in an array of components.. and set how many rows and how many cells.</p>

<p>TODO: Make sure extra rows and cells are not actually rendered.. if not enough components to fill them.. </p>

{{component-grid rows=4 cells=3
  components=(array
    (component 'foo-a' click=(action 'action1') fooText="1")
    (component 'foo-b' click=(action 'action2') fooText="2")
    (component 'foo-b' click=(action 'action3') fooText="3")
    (component 'foo-b' click=(action 'action4') fooText="4")
    (component 'foo-a' click=(action 'action5') fooText="5")
    (component 'foo-a' click=(action 'action6') fooText="6")
    (component 'foo-a' click=(action 'action7') fooText="7")
    (component 'foo-a' click=(action 'action8') fooText="8")
  )
}}

component-grid.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  classNames: ['component-grid'],

  gridRows: Ember.computed('components.[]', 'rows', 'cells', {
    get() {
      let components = this.get('components');
      let totalRows = parseInt(this.get('rows'));
      let totalCells = parseInt(this.get('cells'));
      let rows = [];
      for (let i = 0; i < totalRows; i++) {
        let cells = [];
        for (let j = 0; j < totalCells; j++) {
          let idx = (totalCells * i) + j;
          cells.push(idx);
        }
        rows.pushObject(Ember.Object.create({
          gridCells: components.objectsAt(cells)
        }));
      }
      return rows;
    }
  })
  
});

component-grid.template.hbs

{{#each gridRows as |row|}}
  <div class="grid-row">
    {{#each row.gridCells as |cell|}}
      <div class="grid-cell">
        {{component cell}}
      </div>
    {{/each}}
  </div>
{{/each}}

foo-a.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  tagName: 'button',
  classNames: ['foo-a']
  
});

foo-a.template.hbs

{{fooText}}

foo-b.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  tagName: 'button',
  classNames: ['foo-b']
  
});

foo-b.template.hbs

{{fooText}}

helpers.array.js

import Ember from 'ember';

export function array(params) {
  return params;
}

export default Ember.Helper.helper(array);

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}
.component-grid {
  display: table;
  border-collapse: collapse;
}
.grid-row {
  display: table-row;
}
.grid-cell {
  display: table-cell
}

.foo-a {
  display: block;
  background-color: #666;
  color: #fff;
  width: 50px;
  height: 50px;
}

.foo-b {
  display: block;
  background-color: #333;
  color: #fff;
  width: 50px;
  height: 50px;
}

twiddle.json

{
  "version": "0.6.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.3.1/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.3.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}