Moved PreviewPane to a separate directory. Extracted Preview component to a separate file.

src/components/EntryEditor/EntryEditor.js

@@ -1,7 +1,7 @@
 import React, { Component, PropTypes } from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import ControlPane from '../ControlPanel/ControlPane';
-import PreviewPane from '../PreviewPane';
+import PreviewPane from '../PreviewPane/PreviewPane';
 import styles from './EntryEditor.css';
 
 export default class EntryEditor extends Component {

src/components/PreviewPane/Preview.js

@@ -0,0 +1,39 @@
+import React, { PropTypes } from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { resolveWidget } from '../Widgets';
+
+export default class Preview extends React.Component {
+
+  previewFor(field) {
+    const { entry, getMedia } = this.props;
+    const widget = resolveWidget(field.get('widget'));
+    return React.createElement(widget.preview, {
+      field: field,
+      value: entry.getIn(['data', field.get('name')]),
+      getMedia: getMedia,
+    });
+  }
+
+  render() {
+    const { collection } = this.props;
+    if (!collection) {
+      return null;
+    }
+
+    return <div>
+      {
+        collection.get('fields').map(field => (
+          <div key={field.get('name')}>
+            {this.previewFor(field)}
+          </div>
+        ))
+      }
+    </div>;
+  }
+}
+
+Preview.propTypes = {
+  collection: ImmutablePropTypes.map.isRequired,
+  entry: ImmutablePropTypes.map.isRequired,
+  getMedia: PropTypes.func.isRequired,
+};

src/components/PreviewPane/PreviewPane.js

@@ -1,48 +1,11 @@
 import React, { PropTypes } from 'react';
 import { render } from 'react-dom';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import registry from '../lib/registry';
-import { resolveWidget } from './Widgets';
+import registry from '../../lib/registry';
+import { resolveWidget } from '../Widgets';
+import Preview from './Preview';
 import styles from './PreviewPane.css';
 
-class Preview extends React.Component {
-
-  previewFor(field) {
-    const { entry, getMedia } = this.props;
-    const widget = resolveWidget(field.get('widget'));
-    return React.createElement(widget.preview, {
-      field: field,
-      value: entry.getIn(['data', field.get('name')]),
-      getMedia: getMedia,
-    });
-  }
-
-  render() {
-    const { collection } = this.props;
-    if (!collection) {
-      return null;
-    }
-
-    return <div>
-      {
-        collection.get('fields').map(field => (
-          <div
-            key={field.get('name')}
-          >
-            {this.previewFor(field)}
-          </div>
-        ))
-      }
-    </div>;
-  }
-}
-
-Preview.propTypes = {
-  collection: ImmutablePropTypes.map.isRequired,
-  entry: ImmutablePropTypes.map.isRequired,
-  getMedia: PropTypes.func.isRequired,
-};
-
 export default class PreviewPane extends React.Component {
 
   componentDidUpdate(prevProps) {