Clear up confusion about preview

Author: Ives van Hoorne

src/app/pages/Sandbox/Editor/Content/Header/ShareView.js

@@ -207,7 +207,7 @@ export default class ShareView extends React.PureComponent {
                     </div>
                   </div>
                   <div>
-                    <h4>Default module</h4>
+                    <h4>Default module to show and preview</h4>
 
                     <Files
                       modules={sandbox.modules}

src/embed/components/Content.js

@@ -33,11 +33,13 @@ type Props = {
 
 type State = {
   bundle: Object,
+  isInProjectView: boolean,
 };
 
 export default class Content extends React.Component {
   state = {
     bundle: { processing: true },
+    isInProjectView: false,
   };
 
   componentDidMount() {
@@ -55,6 +57,10 @@ export default class Content extends React.Component {
     });
   };
 
+  setProjectView = (id: string, view) => {
+    this.setState({ isInProjectView: view });
+  };
+
   props: Props;
   state: State;
   render() {
@@ -89,7 +95,7 @@ export default class Content extends React.Component {
           <Split show={showPreview} only={showPreview && !showEditor}>
             <Preview
               sandboxId={sandbox.id}
-              isInProjectView={false}
+              isInProjectView={this.state.isInProjectView}
               modules={sandbox.modules}
               directories={sandbox.directories}
               bundle={this.state.bundle}
@@ -98,6 +104,7 @@ export default class Content extends React.Component {
               fetchBundle={this.fetchBundle}
               setError={() => {}}
               preferences={preferences}
+              setProjectView={this.setProjectView}
             />
           </Split>}
       </Container>