1 files changed, 15 insertions, 4 deletions
diff --git a/src/client/views/collections/CollectionSubView.tsx b/src/client/views/collections/CollectionSubView.tsx
index cbc9e61eb..26ebbfe63 100644
--- a/src/client/views/collections/CollectionSubView.tsx
+++ b/src/client/views/collections/CollectionSubView.tsx
@@ -5,14 +5,13 @@ import { Doc, DocListCast, Opt } from "../../../new_fields/Doc";
 import { Id } from "../../../new_fields/FieldSymbols";
 import { List } from "../../../new_fields/List";
 import { listSpec } from "../../../new_fields/Schema";
-import { BoolCast, Cast } from "../../../new_fields/Types";
+import { BoolCast, Cast, PromiseValue } from "../../../new_fields/Types";
 import { CurrentUserUtils } from "../../../server/authentication/models/current_user_utils";
 import { RouteStore } from "../../../server/RouteStore";
 import { DocServer } from "../../DocServer";
 import { Docs, DocumentOptions, DocumentType } from "../../documents/Documents";
 import { DragManager } from "../../util/DragManager";
 import { undoBatch, UndoManager } from "../../util/UndoManager";
-import { DocComponent } from "../DocComponent";
 import { FieldViewProps } from "../nodes/FieldView";
 import { FormattedTextBox } from "../nodes/FormattedTextBox";
 import { CollectionPDFView } from "./CollectionPDFView";
@@ -21,6 +20,7 @@ import { CollectionView } from "./CollectionView";
 import React = require("react");
 import { MainView } from "../MainView";
 import { Utils } from "../../../Utils";
+import { DocComponent } from "../DocComponent";
 
 export interface CollectionViewProps extends FieldViewProps {
     addDocument: (document: Doc, allowDuplicates?: boolean) => boolean;
@@ -98,15 +98,26 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
         @action
         protected drop(e: Event, de: DragManager.DropEvent): boolean {
             if (de.data instanceof DragManager.DocumentDragData) {
+                if (de.data.dropAction || de.data.userDropAction) {
+                    ["width", "height", "curPage"].map(key =>
+                        de.data.draggedDocuments.map((draggedDocument: Doc, i: number) =>
+                            PromiseValue(Cast(draggedDocument[key], "number")).then(f => f && (de.data.droppedDocuments[i][key] = f))));
+                }
                 let added = false;
                 if (de.data.dropAction || de.data.userDropAction) {
-                    added = de.data.droppedDocuments.reduce((added: boolean, d) => this.props.addDocument(d) || added, false);
+                    added = de.data.droppedDocuments.reduce((added: boolean, d) => {
+                        let moved = this.props.addDocument(d);
+                        return moved || added;
+                    }, false);
                 } else if (de.data.moveDocument) {
                     let movedDocs = de.data.options === this.props.Document[Id] ? de.data.draggedDocuments : de.data.droppedDocuments;
                     added = movedDocs.reduce((added: boolean, d) =>
                         de.data.moveDocument(d, this.props.Document, this.props.addDocument) || added, false);
                 } else {
-                    added = de.data.droppedDocuments.reduce((added: boolean, d) => this.props.addDocument(d) || added, false);
+                    added = de.data.droppedDocuments.reduce((added: boolean, d) => {
+                        let moved = this.props.addDocument(d);
+                        return moved || added;
+                    }, false);
                 }
                 e.stopPropagation();
                 return added;