4 files changed, 31 insertions, 4 deletions
diff --git a/src/fields/BasicField.ts b/src/fields/BasicField.ts
index 91977b243..a92c4a236 100644
--- a/src/fields/BasicField.ts
+++ b/src/fields/BasicField.ts
@@ -32,7 +32,7 @@ export abstract class BasicField<T> extends Field {
             return;
         }
         let oldValue = this.data;
-        this.data = value;
+        this.setData(value);
         UndoManager.AddEvent({
             undo: () => this.Data = oldValue,
             redo: () => this.Data = value
@@ -40,6 +40,10 @@ export abstract class BasicField<T> extends Field {
         Server.UpdateField(this);
     }
 
+    protected setData(value: T) {
+        this.data = value;
+    }
+
     @action
     TrySetValue(value: any): boolean {
         if (typeof value == typeof this.data) {
diff --git a/src/fields/Document.ts b/src/fields/Document.ts
index 6667485b6..ff13732b3 100644
--- a/src/fields/Document.ts
+++ b/src/fields/Document.ts
@@ -90,6 +90,15 @@ export class Document extends Field {
         return field;
     }
 
+    GetAsync(key: Key, callback: (field: Field) => void): boolean {
+        //This currently doesn't deal with prototypes
+        if (this._proxies.has(key.Id)) {
+            Server.GetDocumentField(this, key, callback);
+            return true;
+        }
+        return false;
+    }
+
     GetT<T extends Field = Field>(key: Key, ctor: { new(...args: any[]): T }, ignoreProto: boolean = false): FieldValue<T> {
         var getfield = this.Get(key, ignoreProto);
         if (getfield != FieldWaiting) {
diff --git a/src/fields/KeyStore.ts b/src/fields/KeyStore.ts
index 7056886aa..6d6c6a546 100644
--- a/src/fields/KeyStore.ts
+++ b/src/fields/KeyStore.ts
@@ -16,6 +16,7 @@ export namespace KeyStore {
     export const ZIndex = new Key("ZIndex");
     export const Data = new Key("Data");
     export const Annotations = new Key("Annotations");
+    export const ViewType = new Key("ViewType");
     export const Layout = new Key("Layout");
     export const BackgroundLayout = new Key("BackgroundLayout");
     export const LayoutKeys = new Key("LayoutKeys");
diff --git a/src/fields/ListField.ts b/src/fields/ListField.ts
index 75c2eb343..700600804 100644
--- a/src/fields/ListField.ts
+++ b/src/fields/ListField.ts
@@ -1,4 +1,4 @@
-import { action, IArrayChange, IArraySplice, IObservableArray, observe } from "mobx";
+import { action, IArrayChange, IArraySplice, IObservableArray, observe, observable, Lambda } from "mobx";
 import { Server } from "../client/Server";
 import { UndoManager } from "../client/util/UndoManager";
 import { Types } from "../server/Message";
@@ -13,7 +13,12 @@ export class ListField<T extends Field> extends BasicField<T[]> {
         if (save) {
             Server.UpdateField(this);
         }
-        observe(this.Data as IObservableArray<T>, (change: IArrayChange<T> | IArraySplice<T>) => {
+        this.observeList();
+    }
+
+    private observeDisposer: Lambda | undefined;
+    private observeList(): void {
+        this.observeDisposer = observe(this.Data as IObservableArray<T>, (change: IArrayChange<T> | IArraySplice<T>) => {
             this.updateProxies()
             if (change.type == "splice") {
                 UndoManager.AddEvent({
@@ -27,7 +32,15 @@ export class ListField<T extends Field> extends BasicField<T[]> {
                 })
             }
             Server.UpdateField(this);
-        })
+        });
+    }
+
+    protected setData(value: T[]) {
+        if (this.observeDisposer) {
+            this.observeDisposer()
+        }
+        this.data = observable(value);
+        this.observeList();
     }
 
     private updateProxies() {