4 files changed, 38 insertions, 1 deletions
diff --git a/src/fields/ImageField.ts b/src/fields/ImageField.ts
index b2226d55a..be8d73e68 100644
--- a/src/fields/ImageField.ts
+++ b/src/fields/ImageField.ts
@@ -1,7 +1,6 @@
 import { BasicField } from "./BasicField";
 import { Field, FieldId } from "./Field";
 import { Types } from "../server/Message";
-import { ObjectID } from "bson";
 
 export class ImageField extends BasicField<URL> {
     constructor(data: URL | undefined = undefined, id?: FieldId, save: boolean = true) {
diff --git a/src/fields/KeyStore.ts b/src/fields/KeyStore.ts
index 9cdd18f4e..259d1acaf 100644
--- a/src/fields/KeyStore.ts
+++ b/src/fields/KeyStore.ts
@@ -26,5 +26,6 @@ export namespace KeyStore {
     export const Caption = new Key("Caption");
     export const ActiveFrame = new Key("ActiveFrame");
     export const DocumentText = new Key("DocumentText");
+    export const Thumbnail = new Key("Thumbnail");
     export const Ink = new Key("Ink");
 }
diff --git a/src/fields/ListField.ts b/src/fields/ListField.ts
index 700600804..a71325a65 100644
--- a/src/fields/ListField.ts
+++ b/src/fields/ListField.ts
@@ -40,6 +40,7 @@ export class ListField<T extends Field> extends BasicField<T[]> {
             this.observeDisposer()
         }
         this.data = observable(value);
+        this.updateProxies();
         this.observeList();
     }
 
diff --git a/src/fields/PDFField.ts b/src/fields/PDFField.ts
new file mode 100644
index 000000000..f3a009001
--- /dev/null
+++ b/src/fields/PDFField.ts
@@ -0,0 +1,36 @@
+import { BasicField } from "./BasicField";
+import { Field, FieldId } from "./Field";
+import { observable } from "mobx"
+import { Types } from "../server/Message";
+
+
+
+export class PDFField extends BasicField<URL> {
+    constructor(data: URL | undefined = undefined, id?: FieldId, save: boolean = true) {
+        super(data == undefined ? new URL("http://cs.brown.edu/~bcz/bob_fettucine.jpg") : data, save, id);
+    }
+
+    toString(): string {
+        return this.Data.href;
+    }
+
+    Copy(): Field {
+        return new PDFField(this.Data);
+    }
+
+    ToScriptString(): string {
+        return `new PDFField("${this.Data}")`;
+    }
+
+    ToJson(): { type: Types, data: URL, _id: string } {
+        return {
+            type: Types.PDF,
+            data: this.Data,
+            _id: this.Id
+        }
+    }
+
+    @observable
+    Page: Number = 1;
+
+}
+\ No newline at end of file