1 files changed, 13 insertions, 5 deletions

diff --git a/src/fields/Field.ts b/src/fields/Field.ts
index 6adee9b61..c7e0232af 100644
--- a/src/fields/Field.ts
+++ b/src/fields/Field.ts
@@ -1,5 +1,6 @@
 
 import { Utils } from "../Utils";
+import { Types } from "../server/Message";
 
 export function Cast<T extends Field>(field: FieldValue<Field>, ctor: { new(): T }): Opt<T> {
     if (field) {
@@ -10,21 +11,25 @@ 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 {
+    init(callback: (res: Field) => any) {
+        callback(this);
+    }
+
+    private id: FieldId;
+    get Id(): FieldId {
         return this.id;
     }
 
-    constructor(id: FIELD_ID = undefined) {
+    constructor(id: Opt<FieldId> = undefined) {
         this.id = id || Utils.GenerateGuid();
     }
 
@@ -47,6 +52,8 @@ export abstract class Field {
         return this.id === other.id;
     }
 
+    abstract UpdateFromServer(serverData: any): void;
+
     abstract ToScriptString(): string;
 
     abstract TrySetValue(value: any): boolean;
@@ -55,4 +62,5 @@ export abstract class Field {
 
     abstract Copy(): Field;
 
+    abstract ToJson(): { _id: string, type: Types, data: any }
 }
\ No newline at end of file