mobiledoc template fill in

components.template-tag.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: 'span',
  classNames: ['template-tag'],
  
  click() {
    let tag = this.get('tag');
  	let promise = this.get('onClick')(tag);

    promise.then((tagVal) => {
    	tag.setProperties({
        tag: tagVal,
      	value: tagVal
      });
    });
  }
});

components.template-tags-input.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ['template-tags-input'],
  attributeBindings: ['contenteditable'],
  contenteditable: true,
  
  init() {
  	this._super(...arguments);
    this.templateItems = [];
  },
  
  didInsertElement() {
    // see https://github.com/bustlelabs/mobiledoc-kit#dom-parsing-hooks
    let pastedTextPlugin = function(node, builder, {addSection, addMarkerable, nodeFinished}) {
      if (node.nodeType === Node.TEXT_NODE) {
        let text = node.textContent;
        if (text.indexOf('{email}') !== -1) {
          let [before, after] = text.split('{email}');
          
          // docs http://bustlelabs.github.io/mobiledoc-kit/demo/docs/PostNodeBuilder.html#createAtom
          before = builder.createMarker(before);
          after = builder.createMarker(after);
          let atom = builder.createAtom('tag', 'email');
          
          addMarkerable(before);
          addMarkerable(atom);
          addMarkerable(after);
          nodeFinished();
        }
      }
    };
    let editor = new Mobiledoc.Editor({
      html: 'hi',
      autofocus: false,
      parserPlugins: [pastedTextPlugin],
      atoms: [
        {
        	name: 'tag',
          type: 'dom',
          render: ({ value, env, payload }) => {
            let span = document.createElement('span');
            span.textContent = `{${value}}`;
            span.classList.add('template-tag');
            span.onclick = () => {
              this.get('onShowTags')().then((tag) => {
                if (tag !== null) {
                  env.save(tag, payload);
                }
              });
            };
            
          	return span;
          }
        }
      ]
    });
    
    editor.onTextInput({
      text: '{',
      run: (editor) => {
        let { range } = editor;
        let position = editor.post.tailPosition();
        this.get('onShowTags')().then((tag) => {
          editor.selectRange(range);
          editor.deleteAtPosition(range.head, -1, {});
          editor.insertAtom('tag', tag);
        });
      }
    });
    
    editor.render(this.element);
  }
});

components.template-tags.js

import Ember from 'ember';

export default Ember.Component.extend({
	classNames: ['template-tags'],
  
  actions: {
    openAndSelect(open, close, reposition) {
    	open();
      reposition();
      let defer = Ember.RSVP.defer();
      this.set('defer', defer);
      return defer.promise.then((tag) => {
        close();
      	return tag;
      });
    },
    
    setTag(tag) {
    	let defer = this.get('defer');
      
      defer.resolve(tag);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  tags: ['firstName', 'lastName', 'email'],
  template: ''
});

helpers.eq.js

import Ember from 'ember';

export function eq([val1, val2]/*, hash*/) {
  return val1 === val2;
}

export default Ember.Helper.helper(eq);

styles.app.css

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

.template-tags-input {
  background-color: #efefef;
  line-height: 1.5;
}

.template-tag {
	color: tomato;
}

templates.application.hbs

<h1>template-tags</h1>
<p>
Start typing text in the input below. Use `{` character to
start adding a template value. Click on one of the options to select.
Try copying and pasting this text:
hello there {email} something else 
</p>
<br>

{{template-tags template=template tags=tags onChange=(action (mut template))}}

<div id="ember-basic-dropdown-wormhole"></div>

templates.components.template-tag.hbs

{{yield}}
{{~tag.value~}}

templates.components.template-tags-input.hbs

{{yield}}

templates.components.template-tags.hbs

{{yield}}

{{#basic-dropdown as |dropdown|}}
	{{template-tags-input tags=tags template=template
  	onShowTags=(action 'openAndSelect' dropdown.actions.open dropdown.actions.close dropdown.actions.reposition)
    onTagClick=(action 'openAndSelect' dropdown.actions.open dropdown.actions.close dropdown.actions.reposition)}}
  {{#dropdown.content}}
  	<ul>
    	{{#each tags as |tag|}}
      	<li>
        	<a onclick={{action 'setTag' tag}}>{{tag}}</a>
        </li>
      {{/each}}
    </ul>
  {{/dropdown.content}}
{{/basic-dropdown}}

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",
    "mobiledoc-kit": "https://unpkg.com/mobiledoc-kit@0.10.15/dist/global/mobiledoc-kit.js"
  },
  "addons": {
    "ember-data": "2.12.1",
    "ember-basic-dropdown": "0.31.0"
  }
}