working version of inking buttons

12 files changed, 78 insertions, 48 deletions

diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts
index 6df172f46..f4fce34ac 100644
--- a/src/client/documents/Documents.ts
+++ b/src/client/documents/Documents.ts
@@ -93,6 +93,8 @@ export interface DocumentOptions {
     autoHeight?: boolean;
     removeDropProperties?: List<string>; // list of properties that should be removed from a document when it is dropped.  e.g., a creator button may be forceActive to allow it be dragged, but the forceActive property can be removed from the dropped document
     dbDoc?: Doc;
+    unchecked?: ScriptField; // returns whether a check box is unchecked
+    activePen?: Doc; // which pen document is currently active (used as the radio button state for the 'unhecked' pen tool scripts)
     onClick?: ScriptField;
     onDragStart?: ScriptField; //script to execute at start of drag operation --  e.g., when a "creator" button is dragged this script generates a different document to drop
     icon?: string;
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index 169f2edec..92666c03c 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -234,9 +234,9 @@ export namespace DragManager {
 
     export let StartDragFunctions: (() => void)[] = [];
 
-    export async function StartDocumentDrag(eles: HTMLElement[], dragData: DocumentDragData, downX: number, downY: number, options?: DragOptions) {
+    export function StartDocumentDrag(eles: HTMLElement[], dragData: DocumentDragData, downX: number, downY: number, options?: DragOptions) {
         runInAction(() => StartDragFunctions.map(func => func()));
-        await dragData.draggedDocuments.map(d => d.dragFactory);
+        dragData.draggedDocuments.map(d => d.dragFactory); // does this help?  trying to make sure the dragFactory Doc is loaded
         StartDrag(eles, dragData, downX, downY, options, options && options.finishDrag ? options.finishDrag :
             (dropData: { [id: string]: any }) => {
                 (dropData.droppedDocuments =
diff --git a/src/client/util/SelectionManager.ts b/src/client/util/SelectionManager.ts
index df1b46b33..2d717ca57 100644
--- a/src/client/util/SelectionManager.ts
+++ b/src/client/util/SelectionManager.ts
@@ -45,17 +45,6 @@ export namespace SelectionManager {
     }
 
     const manager = new Manager();
-    reaction(() => manager.SelectedDocuments, sel => {
-        let targetColor = "#FFFFFF";
-        if (sel.length > 0) {
-            let firstView = sel[0];
-            let doc = firstView.props.Document;
-            let targetDoc = doc.isTemplate ? doc : Doc.GetProto(doc);
-            let stored = StrCast(targetDoc.backgroundColor);
-            stored.length > 0 && (targetColor = stored);
-        }
-        InkingControl.Instance.updateSelectedColor(targetColor);
-    }, { fireImmediately: true });
 
     export function DeselectDoc(docView: DocumentView): void {
         manager.DeselectDoc(docView);
diff --git a/src/client/views/CollectionLinearView.tsx b/src/client/views/CollectionLinearView.tsx
index 9d1dd7749..eb3c768d0 100644
--- a/src/client/views/CollectionLinearView.tsx
+++ b/src/client/views/CollectionLinearView.tsx
@@ -48,7 +48,7 @@ export class CollectionLinearView extends CollectionSubView(LinearDocument) {
     drop = action((e: Event, de: DragManager.DropEvent) => {
         (de.data as DragManager.DocumentDragData).draggedDocuments.map((doc, i) => {
             let dbox = doc;
-            if (!doc.onDragStart && this.props.Document.convertToButtons && doc.viewType !== CollectionViewType.Linear) {
+            if (!doc.onDragStart && !doc.onClick && this.props.Document.convertToButtons && doc.viewType !== CollectionViewType.Linear) {
                 dbox = Docs.Create.FontIconDocument({ nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, backgroundColor: StrCast(doc.backgroundColor), title: "Custom", icon: "bolt" });
                 dbox.dragFactory = doc;
                 dbox.removeDropProperties = doc.removeDropProperties instanceof ObjectField ? ObjectField.MakeCopy(doc.removeDropProperties) : undefined;
@@ -90,7 +90,7 @@ export class CollectionLinearView extends CollectionSubView(LinearDocument) {
                         return <div className={`collectionLinearView-docBtn` + (pair.layout.onClick || pair.layout.onDragStart ? "-scalable" : "")} key={StrCast(pair.layout.title)} ref={dref}
                             style={{
                                 width: nested ? pair.layout[WidthSym]() : this.dimension(),
-                                height: nested ? pair.layout[HeightSym]() : this.dimension(),
+                                height: nested && pair.layout.isExpanded ? pair.layout[HeightSym]() : this.dimension(),
                                 transform: nested ? undefined : `translate(${deltaSize / 2}px, ${deltaSize / 2}px)`
                             }}  >
                             <DocumentView
diff --git a/src/client/views/InkingControl.tsx b/src/client/views/InkingControl.tsx
index 41dec9f83..149a4fc8a 100644
--- a/src/client/views/InkingControl.tsx
+++ b/src/client/views/InkingControl.tsx
@@ -117,9 +117,9 @@ export class InkingControl {
     }
 
 }
-Scripting.addGlobal(function activatePen() { return InkingControl.Instance.switchTool(InkTool.Pen); });
-Scripting.addGlobal(function activateBrush() { return InkingControl.Instance.switchTool(InkTool.Highlighter); });
-Scripting.addGlobal(function activateEraser() { return InkingControl.Instance.switchTool(InkTool.Eraser); });
+Scripting.addGlobal(function activatePen(pen: any, width: any, color: any) { InkingControl.Instance.switchTool(pen ? InkTool.Pen : InkTool.None); InkingControl.Instance.switchWidth(width); InkingControl.Instance.updateSelectedColor(color); });
+Scripting.addGlobal(function activateBrush(pen: any, width: any, color: any) { InkingControl.Instance.switchTool(pen ? InkTool.Highlighter : InkTool.None); InkingControl.Instance.switchWidth(width); InkingControl.Instance.updateSelectedColor(color); });
+Scripting.addGlobal(function activateEraser(pen: any) { return InkingControl.Instance.switchTool(pen ? InkTool.Eraser : InkTool.None); });
 Scripting.addGlobal(function deactivateInk() { return InkingControl.Instance.switchTool(InkTool.None); });
 Scripting.addGlobal(function setInkWidth(width: any) { return InkingControl.Instance.switchWidth(width); });
 Scripting.addGlobal(function setInkColor(color: any) { return InkingControl.Instance.updateSelectedColor(color); });
\ No newline at end of file
diff --git a/src/client/views/MainView.tsx b/src/client/views/MainView.tsx
index 4e06763a4..8035916a2 100644
--- a/src/client/views/MainView.tsx
+++ b/src/client/views/MainView.tsx
@@ -466,12 +466,12 @@ export class MainView extends React.Component {
     }
     _docBtnRef = React.createRef<HTMLDivElement>();
     @computed get docButtons() {
-        console.log("stuff = " + this.flyoutWidthFunc() + " " + this.getContentsHeight());
         if (CurrentUserUtils.UserDocument.expandingButtons instanceof Doc) {
-            return <div className="mainView-docButtons" ref={this._docBtnRef} style={{ left: (this._flyoutTranslate ? this.flyoutWidth : 0) + 20, height: "42px" }} >
+            return <div className="mainView-docButtons" ref={this._docBtnRef}
+                style={{ left: (this._flyoutTranslate ? this.flyoutWidth : 0) + 20, height: !CurrentUserUtils.UserDocument.expandingButtons.isExpanded ? "42px" : undefined }} >
                 <MainViewNotifs />
                 <CollectionLinearView
-                    Document={CurrentUserUtils.UserDocument.expandingButtons as Doc}
+                    Document={CurrentUserUtils.UserDocument.expandingButtons}
                     DataDoc={undefined}
                     fieldKey={"data"}
                     fieldExt={""}
diff --git a/src/client/views/nodes/ColorBox.tsx b/src/client/views/nodes/ColorBox.tsx
index d280258ae..87c91c121 100644
--- a/src/client/views/nodes/ColorBox.tsx
+++ b/src/client/views/nodes/ColorBox.tsx
@@ -7,6 +7,9 @@ import { InkingControl } from "../InkingControl";
 import { DocStaticComponent } from "../DocComponent";
 import { documentSchema } from "./DocumentView";
 import { makeInterface } from "../../../new_fields/Schema";
+import { trace, reaction, observable, action, IReactionDisposer } from "mobx";
+import { SelectionManager } from "../../util/SelectionManager";
+import { StrCast } from "../../../new_fields/Types";
 
 type ColorDocument = makeInterface<[typeof documentSchema]>;
 const ColorDocument = makeInterface(documentSchema);
@@ -14,9 +17,35 @@ const ColorDocument = makeInterface(documentSchema);
 @observer
 export class ColorBox extends DocStaticComponent<FieldViewProps, ColorDocument>(ColorDocument) {
     public static LayoutString(fieldKey?: string) { return FieldView.LayoutString(ColorBox, fieldKey); }
+    _selectedDisposer: IReactionDisposer | undefined;
+    componentDidMount() {
+        this._selectedDisposer = reaction(() => SelectionManager.SelectedDocuments(),
+            action(() => this._startupColor = SelectionManager.SelectedDocuments().length ? StrCast(SelectionManager.SelectedDocuments()[0].Document.backgroundColor, "black") : "black"),
+            { fireImmediately: true });
+
+        // compare to this reaction that used to be in Selection Manager
+        // reaction(() => manager.SelectedDocuments, sel => {
+        //     let targetColor = "#FFFFFF";
+        //     if (sel.length > 0) {
+        //         let firstView = sel[0];
+        //         let doc = firstView.props.Document;
+        //         let targetDoc = doc.isTemplate ? doc : Doc.GetProto(doc);
+        //         let stored = StrCast(targetDoc.backgroundColor);
+        //         stored.length > 0 && (targetColor = stored);
+        //     }
+        //     InkingControl.Instance.updateSelectedColor(targetColor);
+        // }, { fireImmediately: true });
+    }
+    componentWillUnmount() {
+        this._selectedDisposer && this._selectedDisposer();
+    }
+
+    @observable _startupColor = "black";
+
     render() {
-        return <div className={`colorBox-container${this.active() ? "-interactive" : ""}`} onPointerDown={e => e.button === 0 && !e.ctrlKey && e.stopPropagation()}>
-            <SketchPicker color={InkingControl.Instance.selectedColor} onChange={InkingControl.Instance.switchColor} />
+        return <div className={`colorBox-container${this.active() ? "-interactive" : ""}`}
+            onPointerDown={e => e.button === 0 && !e.ctrlKey && e.stopPropagation()}>
+            <SketchPicker color={this._startupColor} onChange={InkingControl.Instance.switchColor} />
         </div>;
     }
 } 
\ No newline at end of file
diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index c0e5185c1..6f99c541f 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -107,7 +107,7 @@ export const documentSchema = createSchema({
     removeDropProperties: listSpec("string"), // properties that should be removed from the alias/copy/etc of this document when it is dropped
     onClick: ScriptField,       // script to run when document is clicked (can be overriden by an onClick prop)
     onDragStart: ScriptField,   // script to run when document is dragged (without being selected).  the script should return the Doc to be dropped.
-    dragFactory: Doc,           // the document that serves as the "template" for the onDragStart script
+    dragFactory: Doc,           // the document that serves as the "template" for the onDragStart script.  ie, to drag out copies of the dragFactory document.
     ignoreAspect: "boolean",    // whether aspect ratio should be ignored when laying out or manipulating the document
     autoHeight: "boolean",      // whether the height of the document should be computed automatically based on its contents
     isTemplate: "boolean",      // whether this document acts as a template layout for describing how other documents should be displayed
@@ -676,6 +676,7 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
 
         const highlightColors = ["transparent", "maroon", "maroon", "yellow", "magenta", "cyan", "orange"];
         const highlightStyles = ["solid", "dashed", "solid", "solid", "solid", "solid", "solid", "solid"];
+        let highlighting = fullDegree && this.props.Document.type !== DocumentType.FONTICON && this.props.Document.viewType !== CollectionViewType.Linear
         return (
             <div className={`documentView-node${this.topMost ? "-topmost" : ""}`}
                 ref={this._mainCont}
@@ -683,8 +684,8 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
                     transition: this.props.Document.isAnimating !== undefined ? ".5s linear" : StrCast(this.Document.transition),
                     pointerEvents: this.Document.isBackground && !this.isSelected() ? "none" : "all",
                     color: StrCast(this.Document.color),
-                    outline: fullDegree && !borderRounding ? `${highlightColors[fullDegree]} ${highlightStyles[fullDegree]} ${localScale}px` : "solid 0px",
-                    border: fullDegree && borderRounding ? `${highlightStyles[fullDegree]} ${highlightColors[fullDegree]} ${localScale}px` : undefined,
+                    outline: highlighting && !borderRounding ? `${highlightColors[fullDegree]} ${highlightStyles[fullDegree]} ${localScale}px` : "solid 0px",
+                    border: highlighting && borderRounding ? `${highlightStyles[fullDegree]} ${highlightColors[fullDegree]} ${localScale}px` : undefined,
                     background: this.props.Document.type === DocumentType.FONTICON || this.props.Document.viewType === CollectionViewType.Linear ? undefined : backgroundColor,
                     width: animwidth,
                     height: animheight,
diff --git a/src/client/views/nodes/FontIconBox.tsx b/src/client/views/nodes/FontIconBox.tsx
index aa442cd92..efe47d8a8 100644
--- a/src/client/views/nodes/FontIconBox.tsx
+++ b/src/client/views/nodes/FontIconBox.tsx
@@ -18,7 +18,7 @@ export class FontIconBox extends DocComponent<FieldViewProps, FontIconDocument>(
 
     render() {
         return <button className="fontIconBox-outerDiv" style={{ background: StrCast(this.props.Document.backgroundColor) }}>
-            <FontAwesomeIcon className="fontIconBox-icon" icon={this.Document.icon as any} size="sm" color="white" />
+            <FontAwesomeIcon className="fontIconBox-icon" icon={this.Document.icon as any} size="sm" opacity={this.props.Document.unchecked ? "0.5" : "1"} />
         </button>;
     }
 }
\ No newline at end of file
diff --git a/src/client/views/nodes/FormattedTextBox.tsx b/src/client/views/nodes/FormattedTextBox.tsx
index 181f37d36..1bdff3ec7 100644
--- a/src/client/views/nodes/FormattedTextBox.tsx
+++ b/src/client/views/nodes/FormattedTextBox.tsx
@@ -927,16 +927,18 @@ export class FormattedTextBox extends DocComponent<(FieldViewProps & FormattedTe
     onMouseUp = (e: React.MouseEvent): void => {
         e.stopPropagation();
 
-        // this interposes on prosemirror's upHandler to prevent prosemirror's up from invoked multiple times when there are nested prosemirrors.  We only want the lowest level prosemirror to be invoked.
-        if ((this._editorView as any).mouseDown) {
-            let originalUpHandler = (this._editorView as any).mouseDown.up;
-            (this._editorView as any).root.removeEventListener("mouseup", originalUpHandler);
-            (this._editorView as any).mouseDown.up = (e: MouseEvent) => {
+        let view = this._editorView as any;
+        // this interposes on prosemirror's upHandler to prevent prosemirror's up from invoked multiple times when there 
+        // are nested prosemirrors.  We only want the lowest level prosemirror to be invoked.
+        if (view.mouseDown) {
+            let originalUpHandler = view.mouseDown.up;
+            view.root.removeEventListener("mouseup", originalUpHandler);
+            view.mouseDown.up = (e: MouseEvent) => {
                 !(e as any).formattedHandled && originalUpHandler(e);
-                e.stopPropagation();
+                // e.stopPropagation();
                 (e as any).formattedHandled = true;
             };
-            (this._editorView as any).root.addEventListener("mouseup", (this._editorView as any).mouseDown.up);
+            view.root.addEventListener("mouseup", view.mouseDown.up);
         }
     }
 
diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index 4bed113e3..276596fb8 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -525,6 +525,7 @@ export namespace Doc {
     export function MakeCopy(doc: Doc, copyProto: boolean = false, copyProtoId?: string): Doc {
         const copy = new Doc(copyProtoId, true);
         Object.keys(doc).forEach(key => {
+            let cfield = ComputedField.WithoutComputed(() => FieldValue(doc[key]));
             const field = ProxyField.WithoutProxy(() => doc[key]);
             if (key === "proto" && copyProto) {
                 if (doc[key] instanceof Doc) {
@@ -533,6 +534,8 @@ export namespace Doc {
             } else {
                 if (field instanceof RefField) {
                     copy[key] = field;
+                } else if (cfield instanceof ComputedField) {
+                    copy[key] = ComputedField.MakeFunction(cfield.script.originalScript);
                 } else if (field instanceof ObjectField) {
                     copy[key] = ObjectField.MakeCopy(field);
                 } else if (field instanceof Promise) {
@@ -735,5 +738,6 @@ Scripting.addGlobal(function getCopy(doc: any, copyProto: any) { return Doc.Make
 Scripting.addGlobal(function copyField(field: any) { return ObjectField.MakeCopy(field); });
 Scripting.addGlobal(function aliasDocs(field: any) { return new List<Doc>(field.map((d: any) => Doc.MakeAlias(d))); });
 Scripting.addGlobal(function docList(field: any) { return DocListCast(field); });
+Scripting.addGlobal(function sameDocs(doc1: any, doc2: any) { return Doc.AreProtosEqual(doc1, doc2) });
 Scripting.addGlobal(function undo() { return UndoManager.Undo(); });
 Scripting.addGlobal(function redo() { return UndoManager.Redo(); });
\ No newline at end of file
diff --git a/src/server/authentication/models/current_user_utils.ts b/src/server/authentication/models/current_user_utils.ts
index c4b91dadd..3c4a46ed8 100644
--- a/src/server/authentication/models/current_user_utils.ts
+++ b/src/server/authentication/models/current_user_utils.ts
@@ -8,7 +8,7 @@ import { UndoManager } from "../../../client/util/UndoManager";
 import { Doc, DocListCast } from "../../../new_fields/Doc";
 import { List } from "../../../new_fields/List";
 import { listSpec } from "../../../new_fields/Schema";
-import { ScriptField } from "../../../new_fields/ScriptField";
+import { ScriptField, ComputedField } from "../../../new_fields/ScriptField";
 import { Cast, PromiseValue } from "../../../new_fields/Types";
 import { Utils } from "../../../Utils";
 import { RouteStore } from "../../RouteStore";
@@ -45,29 +45,32 @@ export class CurrentUserUtils {
     }
 
     // setup the "creator" buttons for the sidebar-- eg. the default set of draggable document creation tools
-    static setupCreatorButtons() {
-        let docProtoData: { title: string, icon: string, drag?: string, click?: string }[] = [
+    static setupCreatorButtons(doc: Doc) {
+        doc.activePen = doc;
+        let docProtoData: { title: string, icon: string, drag?: string, click?: string, unchecked?: string, activePen?: Doc, backgroundColor?: string }[] = [
             { title: "collection", icon: "folder", drag: 'Docs.Create.FreeformDocument([], { nativeWidth: undefined, nativeHeight: undefined, width: 150, height: 100, title: "freeform" })' },
             { title: "web page", icon: "globe-asia", drag: 'Docs.Create.WebDocument("https://en.wikipedia.org/wiki/Hedgehog", { width: 300, height: 300, title: "New Webpage" })' },
             { title: "image", icon: "cat", drag: 'Docs.Create.ImageDocument("https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Cat03.jpg/1200px-Cat03.jpg", { width: 200, title: "an image of a cat" })' },
             { title: "button", icon: "bolt", drag: 'Docs.Create.ButtonDocument({ width: 150, height: 50, title: "Button" })' },
             { title: "presentation", icon: "tv", drag: 'Doc.UserDoc().curPresentation = Docs.Create.PresDocument(new List<Doc>(), { width: 200, height: 500, title: "a presentation trail" })' },
             { title: "import folder", icon: "cloud-upload-alt", drag: 'Docs.Create.DirectoryImportDocument({ title: "Directory Import", width: 400, height: 400 })' },
-            { title: "pen", icon: "pen-nib", click: 'activatePen(); setInkWidth(2);' },
-            { title: "highlighter", icon: "pen", click: 'activateBrush(); setInkWidth(20);' },
-            { title: "eraser", icon: "eraser", click: 'activateEraser();' },
-            { title: "none", icon: "pause", click: 'deactivateInk();' },
+            { title: "pen", icon: "pen-nib", click: 'activatePen(this.activePen.pen = sameDocs(this.activePen.pen, this) ? undefined : this,2, this.backgroundColor)', backgroundColor: "blue", unchecked: `!sameDocs(this.activePen.pen,  this)`, activePen: doc },
+            { title: "highlighter", icon: "pen", click: 'activateBrush(this.activePen.pen = sameDocs(this.activePen.pen, this) ? undefined : this,20,this.backgroundColor)', backgroundColor: "yellow", unchecked: `!sameDocs(this.activePen.pen, this)`, activePen: doc },
+            { title: "eraser", icon: "eraser", click: 'activateEraser(this.activePen.pen = sameDocs(this.activePen.pen, this) ? undefined : this);', unchecked: `!sameDocs(this.activePen.pen, this)`, activePen: doc },
+            { title: "none", icon: "pause", click: 'deactivateInk();this.activePen.pen = this;', unchecked: `!sameDocs(this.activePen.pen, this)`, activePen: doc },
         ];
         return docProtoData.map(data => Docs.Create.FontIconDocument({
-            nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, dropAction: data.click ? "alias" : undefined,
-            title: data.title, icon: data.icon, onDragStart: data.drag ? ScriptField.MakeFunction(data.drag) : undefined, onClick: data.click ? ScriptField.MakeScript(data.click) : undefined
+            nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, dropAction: data.click ? "copy" : undefined, title: data.title, icon: data.icon,
+            onDragStart: data.drag ? ScriptField.MakeFunction(data.drag) : undefined, onClick: data.click ? ScriptField.MakeScript(data.click) : undefined,
+            unchecked: data.unchecked ? ComputedField.MakeFunction(data.unchecked) : undefined, activePen: data.activePen,
+            backgroundColor: data.backgroundColor
         }));
     }
 
     // setup the Creator button which will display the creator panel.  This panel will include the drag creators and the color picker.  when clicked, this panel will be displayed in the target container (ie, sidebarContainer)  
-    static setupCreatePanel(sidebarContainer: Doc) {
+    static setupCreatePanel(sidebarContainer: Doc, doc: Doc) {
         // setup a masonry view of all he creators
-        const dragCreators = Docs.Create.MasonryDocument(CurrentUserUtils.setupCreatorButtons(), {
+        const dragCreators = Docs.Create.MasonryDocument(CurrentUserUtils.setupCreatorButtons(doc), {
             width: 500, autoHeight: true, columnWidth: 35, ignoreClick: true, lockedPosition: true, chromeStatus: "disabled", title: "buttons"
         });
         // setup a color picker
@@ -129,7 +132,7 @@ export class CurrentUserUtils {
         doc.sidebarContainer = new Doc();
         (doc.sidebarContainer as Doc).chromeStatus = "disabled";
 
-        doc.CreateBtn = this.setupCreatePanel(doc.sidebarContainer as Doc);
+        doc.CreateBtn = this.setupCreatePanel(doc.sidebarContainer as Doc, doc);
         doc.LibraryBtn = this.setupLibraryPanel(doc.sidebarContainer as Doc, doc);
         doc.SearchBtn = this.setupSearchPanel(doc.sidebarContainer as Doc);
 
@@ -143,9 +146,9 @@ export class CurrentUserUtils {
     /// sets up the default list of buttons to be shown in the expanding button menu at the bottom of the Dash window
     static setupExpandingButtons(doc: Doc) {
         doc.undoBtn = Docs.Create.FontIconDocument(
-            { nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, onClick: ScriptField.MakeScript("undo()"), title: "undo button", icon: "undo-alt" });
+            { nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, dropAction: "alias", onClick: ScriptField.MakeScript("undo()"), title: "undo button", icon: "undo-alt" });
         doc.redoBtn = Docs.Create.FontIconDocument(
-            { nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, onClick: ScriptField.MakeScript("redo()"), title: "redo button", icon: "redo-alt" });
+            { nativeWidth: 100, nativeHeight: 100, width: 100, height: 100, dropAction: "alias", onClick: ScriptField.MakeScript("redo()"), title: "redo button", icon: "redo-alt" });
 
         doc.expandingButtons = Docs.Create.LinearDocument([doc.undoBtn as Doc, doc.redoBtn as Doc], {
             title: "expanding buttons", gridGap: 5, xMargin: 5, yMargin: 5, height: 42, width: 100, boxShadow: "0 0",