detecte non-block mode and hide messaging

app/app/components/document/page-wizard.js

@@ -12,16 +12,20 @@
 import Ember from 'ember';
 import NotifierMixin from '../../mixins/notifier';
 
-const {
-	computed,
-} = Ember;
-
 export default Ember.Component.extend(NotifierMixin, {
 	display: 'section', // which CSS to use
 	hasTemplates: false,
+	hasBlocks: false,
+	blockMode: false,
 
 	didReceiveAttrs() {
 		let blocks = this.get('blocks');
+		let blockMode = is.not.undefined(blocks);
+
+		this.set('blockMode', blockMode);
+		if (!blockMode) {
+			return;
+		}
 
 		this.set('hasBlocks', blocks.get('length') > 0);
 

app/app/pods/document/wizard/template.hbs

@@ -1 +1 @@
-{{document/page-wizard display='tab' document=model.document folder=model.folder sections=model.sections onCancel=(action 'onCancel') onAction=(action 'onAddSection')}}
+{{document/page-wizard display='tab' document=model.document folder=model.folder sections=model.sections onCancel=(action 'onCancel') onAddSection=(action 'onAddSection')}}

app/app/templates/components/document/page-wizard.hbs

@@ -19,6 +19,7 @@
 				</li>
 			{{/each}}
 		</ul>
+		{{#if blockMode}}
 			{{#if hasBlocks}}
 				<div class="divider"></div>
 				<div class="template-caption">Reusable content</div>
@@ -55,5 +56,6 @@
 				<div class="divider"></div>
 				<div class="template-caption">Reusable content appears below</div>
 			{{/if}}
+		{{/if}}
 	</div>
 </div>