DDAU Input Component

components.ddau-input.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: 'input',
  attributeBindings: [ 'type', 'value', 'placeholder', 'data-stripe', 'name' ],
  type: 'text',
  value: '',
  caret: 0,

  input() {
  	let newValue = this.readDOMAttr('value');
    let newCaret = this.element.selectionStart;
    console.log('onInput', newValue, newCaret);
    this._syncDom();
    this.sendAction('update', newValue, newCaret);
  },
  
  _syncDom() {
  	let oldValue = this.get('value') || '';
    let oldCaret = this.get('caret') || 0;
    this.element.value = oldValue;
    this.element.setSelectionRange(oldCaret, oldCaret);
  },

  
  didRender: function() {
    this.element.value = this.get('value') || '';
    let caret = this.get('caret') || 0;
    this.element.setSelectionRange(caret, caret);
  },
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    update(newValue, newCaret) {
      let isValid = newValue.match(/^[\d]*[\.]?[\d]*$/);
      if (isValid) {
        this.set('value', newValue);
        this.set('caret', newCaret);
      }
    }
  }
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}
label, input {
  display: block;
  box-sizing: border-box;
}
input {
  margin: .5em 0;
  font-size: 16px;
  padding:.5em;
}

templates.application.hbs

<h1>DDAU Input Example</h1>
<div>
	<label>Field</label>
	{{ddau-input
    value=value
    caret=caret
    update=(action "update")}}
</div>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}