Creating the CollectionControls component

Now, when we understand what the Collection component renders, let's discuss its child components. We'll start with CollectionControls. Create the following ~/snapterest/source/components/CollectionControls.react.js file:

var React = require('react');
var Header = require('./Header.react');
var Button = require('./Button.react');
var CollectionRenameForm = require('./CollectionRenameForm.react');
var CollectionExportForm = require('./CollectionExportForm.react');

var CollectionControls = React.createClass({

  getInitialState: function () {
    return {
      name: 'new',
      isEditingName: false
    };
  },

  getHeaderText: function () {
    var numberOfTweetsInCollection = this.props.numberOfTweetsInCollection;
    var text = numberOfTweetsInCollection;

    if (numberOfTweetsInCollection === 1) {
      text = text + ' tweet in your';
    } else {
      text = text + ' tweets in your';
    }

    return (
      <span>
        {text} <...