enable sidebar nav; fix build error

src/app/pages/editor/editor.page.html

@@ -15,7 +15,7 @@
   <ng-container>
     <div class="editor-root ion-padding">
       <div class="host-container ion-padding">
-        <editor-host #editorHosts *ngFor="let record of hostRecords" [(record)]="record"
+        <editor-host #editorHosts *ngFor="let record of hostRecords; let i = index" [(record)]="hostRecords[i]"
           (newHostRequested)="onNewHostRequested($event)" (destroyHostRequested)="onDestroyHostRequested($event)">
         </editor-host>
       </div>
@@ -25,4 +25,4 @@
       <ion-button (click)="onSaveClick()" class="ion-padding ion-margin">Save</ion-button>
     </div>
   </ng-container>
-</ion-content>
+</ion-content>

src/app/pages/editor/editor.page.ts

@@ -2,6 +2,7 @@ import {Component, Host, OnInit, ViewChild, ViewChildren} from '@angular/core';
 import HostRecord from '../../structures/HostRecord';
 import PageRecord from '../../structures/PageRecord';
 import {PageService} from '../../service/page.service';
+import {ActivatedRoute} from '@angular/router';
 
 @Component({
   selector: 'app-editor',
@@ -11,26 +12,33 @@ import {PageService} from '../../service/page.service';
 export class EditorPage implements OnInit {
   public hostRecords: Array<HostRecord> = [new HostRecord('Click to edit page...')];
   public pageRecord: PageRecord = new PageRecord();
+  public pageId: string;
 
   @ViewChildren('editorHosts') editorHosts;
   @ViewChild('titleBar', {static: false}) titleBar;
 
   constructor(
     protected pages: PageService,
-  ) { }
+    protected route: ActivatedRoute,
+  ) {
+    this.route.params.subscribe(params => {
+      this.pageId = params.id;
+    });
+  }
 
   ngOnInit() {
     console.log('Editor component: ', this);
   }
 
   ionViewDidEnter() {
-    const pageId = prompt('What is the ID of the page to load?');
-    this.pages.load(pageId).subscribe(pageRecord => {
-      this.pageRecord = pageRecord;
-      this.pages.get_nodes(pageRecord).subscribe((hosts: Array<HostRecord>) => {
-        this.hostRecords = hosts;
+    if ( this.pageId ) {
+      this.pages.load(this.pageId).subscribe(pageRecord => {
+        this.pageRecord = pageRecord;
+        this.pages.get_nodes(pageRecord).subscribe((hosts: Array<HostRecord>) => {
+          this.hostRecords = hosts;
+        });
       });
-    });
+    }
   }
 
   onAddClick() {