Focusable svgs

components.a-rect.js

import Ember from 'ember';

export default Ember.Component.extend({
  attributeBindings: ['x', 'y','width', 'height', 'data-tabindex'],
  tagName: 'rect',
  'data-tabindex': '0'
});

components.svg-anchor.js

import Ember from 'ember';

export default Ember.Component.extend({
  attributeBindings: ['href'],
  classNames: ['svg-anchor'],
  href: '#',
  tagName: 'a',
  
  click() {
    return false;
  },
  
  focusIn() {
    this.onFocusEvent(this.name, 'in')
  },
  
  focusOut() {
    this.onFocusEvent(this.name, 'out')
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  actions: {
    showFocusEvent(name, event) {
      this.setProperties({
        name,
        event
      })
    }
  }
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.svg-anchor {
  pointer-events: all;
}

.svg-anchor:focus {
  fill: pink;
  stroke: red;
  stroke-width: 1;
}

templates.application.hbs

<svg width=100 height=100>
	{{#svg-anchor name='1' onFocusEvent=(action 'showFocusEvent')}}
		{{a-rect x=0 y=0 width=40 height=40}}
  {{/svg-anchor}}
  {{#svg-anchor name='2' onFocusEvent=(action 'showFocusEvent')}}
		{{a-rect x=60 y=0 width=40 height=40}}
  {{/svg-anchor}}
  {{#svg-anchor name='3' onFocusEvent=(action 'showFocusEvent')}}
		{{a-rect x=0 y=60 width=40 height=40}}
  {{/svg-anchor}}
  {{#svg-anchor name='4' onFocusEvent=(action 'showFocusEvent')}}
		{{a-rect x=60 y=60 width=40 height=40}}
  {{/svg-anchor}}
</svg>
<br>
<br>
<div>Focused element: {{name}}</div>
<br>
<div>Focus event: {{event}}</div>

templates.components.a-rect.hbs

{{yield}}

templates.components.svg-anchor.hbs

{{yield}}

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0",
    "ember-data": "2.10.0",
    "ember-template-compiler": "2.10.0",
    "ember-testing": "2.10.0"
  },
  "addons": {}
}