3 files changed, 10 insertions, 10 deletions
diff --git a/src/fields/Document.ts b/src/fields/Document.ts
index 6f9752a8e..c682d8e94 100644
--- a/src/fields/Document.ts
+++ b/src/fields/Document.ts
@@ -1,15 +1,14 @@
-import { Field, Cast, Opt, FieldWaiting, FIELD_ID, FieldValue } from "./Field"
+import { Field, Cast, Opt, FieldWaiting, FieldId, FieldValue } from "./Field"
 import { Key, KeyStore } from "./Key"
 import { NumberField } from "./NumberField";
 import { ObservableMap, computed, action, observable } from "mobx";
 import { TextField } from "./TextField";
 import { ListField } from "./ListField";
-import { findDOMNode } from "react-dom";
 import { Server } from "../client/Server";
 
 export class Document extends Field {
-    public fields: ObservableMap<Key, Opt<Field>> = new ObservableMap();
-    public _proxies: ObservableMap<Key, FIELD_ID> = new ObservableMap();
+    public fields: ObservableMap<Key, Field> = new ObservableMap();
+    public _proxies: ObservableMap<Key, FieldId> = new ObservableMap();
 
     @computed
     public get Title() {
diff --git a/src/fields/Field.ts b/src/fields/Field.ts
index 6adee9b61..4a3968699 100644
--- a/src/fields/Field.ts
+++ b/src/fields/Field.ts
@@ -10,21 +10,21 @@ export function Cast<T extends Field>(field: FieldValue<Field>, ctor: { new(): T
     return undefined;
 }
 
-export let FieldWaiting: FIELD_WAITING = "<Waiting>";
+export const FieldWaiting: FIELD_WAITING = "<Waiting>";
 export type FIELD_WAITING = "<Waiting>";
-export type FIELD_ID = string | undefined;
+export type FieldId = string;
 export type Opt<T> = T | undefined;
 export type FieldValue<T> = Opt<T> | FIELD_WAITING;
 
 export abstract class Field {
     //FieldUpdated: TypedEvent<Opt<FieldUpdatedArgs>> = new TypedEvent<Opt<FieldUpdatedArgs>>();
 
-    private id: FIELD_ID;
-    get Id(): FIELD_ID {
+    private id: FieldId;
+    get Id(): FieldId {
         return this.id;
     }
 
-    constructor(id: FIELD_ID = undefined) {
+    constructor(id: Opt<FieldId> = undefined) {
         this.id = id || Utils.GenerateGuid();
     }
 
diff --git a/src/fields/Key.ts b/src/fields/Key.ts
index 67a5f86fb..8d92b89b6 100644
--- a/src/fields/Key.ts
+++ b/src/fields/Key.ts
@@ -43,13 +43,14 @@ export namespace KeyStore {
     export const PanY = new Key("PanY");
     export const Scale = new Key("Scale");
     export const NativeWidth = new Key("NativeWidth");
+    export const NativeHeight = new Key("NativeHeight");
     export const Width = new Key("Width");
     export const Height = new Key("Height");
     export const ZIndex = new Key("ZIndex");
     export const Data = new Key("Data");
     export const Annotations = new Key("Annotations");
     export const Layout = new Key("Layout");
-    export const AnnotatedLayout = new Key("AnnotatedLayout");
+    export const BackgroundLayout = new Key("BackgroundLayout");
     export const LayoutKeys = new Key("LayoutKeys");
     export const LayoutFields = new Key("LayoutFields");
     export const ColumnsKey = new Key("SchemaColumns");