New Twiddle

components.my-component.js

import Ember from 'ember';

const events = [
  //keyboard
  'keydown',
  'keyup',
  'keypress',
  //im
  'compositionstart',
	'compositionupdate',
  'compositionend',
  //dnd
  'drag',
  'dragend',
  'dragenter',
  'dragexit',
  'dragleave',
  'dragover',
  'dragstart',
  'drop',
  //actions
  'cut',
  'copy',
  'past',
];

export default Ember.Component.extend({
  attributeBindings: ['contenteditable'],
  contenteditable: true,
  init() {
    this._super(...arguments);
    //rebind
    this._selection = this._selection.bind(this);
    this._keydown = this._keydown.bind(this);
    this._keypress = this._keypress.bind(this);
  },
  willInsertElement() {
    for (var x of events) {
      if (this[`_${x}`]) {
        this.$().on(x, this[`_${x}`]);
      }
    }
  },
  willDestroyElement() {
    //TODO: delete all events
  },
  _selection() {
    return window.getSelection() || document.getSelection();
  },
  _keydown(e) {
    //quick and diry prevent all commands
    if(e.ctrlKey){ 
    	e.preventDefault();
      return;
    }
  },
  _keypress(e) {
    //TODO: keycode into big list
    // ignore arrow keys
    switch (e.keyCode) {
      case 37: //left
      case 38: //up
      case 39: //right
      case 40: //down
        return;
    }
  	e.preventDefault();
    // get selection
    const selection = this._selection();
    console.log("Selection ", selection);
    //replace if not collapsed selection
    //add if collapsed
    //+ move cursor by one
	}
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

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

{{my-component}}

templates.components.my-component.hbs

{{! never yield}}
Demo Text

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": {}
}