more cleanup/organization of 'props' . removed VisibleHeight props and cleaned up PDF and other props

22 files changed, 84 insertions, 200 deletions

diff --git a/src/client/util/CurrentUserUtils.ts b/src/client/util/CurrentUserUtils.ts
index 213bc3d88..676e7ce3e 100644
--- a/src/client/util/CurrentUserUtils.ts
+++ b/src/client/util/CurrentUserUtils.ts
@@ -801,7 +801,6 @@ export class CurrentUserUtils {
         }
     }
 
-
     static setupUserDoc(doc: Doc) {
         if (doc.myUserDoc === undefined) {
             doc.treeViewOpen = true;
diff --git a/src/client/util/Import & Export/DirectoryImportBox.tsx b/src/client/util/Import & Export/DirectoryImportBox.tsx
index 7f01966b9..d9f010557 100644
--- a/src/client/util/Import & Export/DirectoryImportBox.tsx
+++ b/src/client/util/Import & Export/DirectoryImportBox.tsx
@@ -158,7 +158,6 @@ export class DirectoryImportBox extends React.Component<FieldViewProps> {
                 importContainer = Docs.Create.SchemaDocument(headers, docs, options);
             }
             runInAction(() => this.phase = 'External: uploading files to Google Photos...');
-            importContainer._columnsStack = false;
             await GooglePhotos.Export.CollectionToAlbum({ collection: importContainer });
             Doc.AddDocToList(Doc.GetProto(parent.props.Document), "data", importContainer);
             !this.persistent && this.props.removeDocument && this.props.removeDocument(doc);
diff --git a/src/client/views/PropertiesView.tsx b/src/client/views/PropertiesView.tsx
index 08394cd97..233429f4d 100644
--- a/src/client/views/PropertiesView.tsx
+++ b/src/client/views/PropertiesView.tsx
@@ -272,7 +272,7 @@ export class PropertiesView extends React.Component<PropertiesViewProps> {
                     treeViewDoc={undefined}
                     styleProvider={this.props.styleProvider}
                     fitToBox={true}
-                    FreezeDimensions={true}
+                    freezeDimensions={true}
                     dontCenter={"y"}
                     NativeWidth={layoutDoc.type === DocumentType.RTF ? this.rtfWidth : undefined}
                     NativeHeight={layoutDoc.type === DocumentType.RTF ? this.rtfHeight : undefined}
diff --git a/src/client/views/collections/CollectionSchemaView.tsx b/src/client/views/collections/CollectionSchemaView.tsx
index e22b8effe..c64048345 100644
--- a/src/client/views/collections/CollectionSchemaView.tsx
+++ b/src/client/views/collections/CollectionSchemaView.tsx
@@ -401,7 +401,7 @@ export class CollectionSchemaView extends CollectionSubView(doc => doc) {
                     Document={this.previewDocument}
                     DataDoc={undefined}
                     fitToBox={true}
-                    FreezeDimensions={true}
+                    freezeDimensions={true}
                     dontCenter={"y"}
                     focus={emptyFunction}
                     renderDepth={this.props.renderDepth}
diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index 058536f69..b1c5dec84 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -3,7 +3,6 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { CursorProperty } from "csstype";
 import { action, computed, IReactionDisposer, observable, reaction, runInAction } from "mobx";
 import { observer } from "mobx-react";
-import Switch from 'rc-switch';
 import { DataSym, Doc, HeightSym, WidthSym } from "../../../fields/Doc";
 import { collectionSchema, documentSchema } from "../../../fields/documentSchemas";
 import { Id } from "../../../fields/FieldSymbols";
@@ -12,23 +11,23 @@ import { listSpec, makeInterface } from "../../../fields/Schema";
 import { SchemaHeaderField } from "../../../fields/SchemaHeaderField";
 import { BoolCast, Cast, NumCast, ScriptCast, StrCast } from "../../../fields/Types";
 import { TraceMobx } from "../../../fields/util";
-import { emptyFunction, returnFalse, returnOne, returnZero, setupMoveUpEvents, Utils, smoothScroll, returnVal } from "../../../Utils";
+import { emptyFunction, returnFalse, returnOne, returnVal, returnZero, setupMoveUpEvents, smoothScroll, Utils } from "../../../Utils";
+import { DocUtils } from "../../documents/Documents";
 import { DragManager, dropActionType } from "../../util/DragManager";
+import { SnappingManager } from "../../util/SnappingManager";
 import { Transform } from "../../util/Transform";
 import { undoBatch } from "../../util/UndoManager";
 import { ContextMenu } from "../ContextMenu";
 import { ContextMenuProps } from "../ContextMenuItem";
 import { EditableView } from "../EditableView";
+import { CollectionFreeFormDocumentView } from "../nodes/CollectionFreeFormDocumentView";
 import { ContentFittingDocumentView } from "../nodes/ContentFittingDocumentView";
+import { DocAfterFocusFunc } from "../nodes/DocumentView";
 import { CollectionMasonryViewFieldRow } from "./CollectionMasonryViewFieldRow";
 import "./CollectionStackingView.scss";
 import { CollectionStackingViewFieldColumn } from "./CollectionStackingViewFieldColumn";
 import { CollectionSubView } from "./CollectionSubView";
 import { CollectionViewType } from "./CollectionView";
-import { SnappingManager } from "../../util/SnappingManager";
-import { CollectionFreeFormDocumentView } from "../nodes/CollectionFreeFormDocumentView";
-import { DocUtils } from "../../documents/Documents";
-import { DocAfterFocusFunc } from "../nodes/DocumentView";
 const _global = (window /* browser */ || global /* node */) as any;
 
 type StackingDocument = makeInterface<[typeof collectionSchema, typeof documentSchema]>;
@@ -56,7 +55,7 @@ export class CollectionStackingView extends CollectionSubView<StackingDocument,
     @computed get xMargin() { return NumCast(this.layoutDoc._xMargin, 2 * Math.min(this.gridGap, .05 * this.props.PanelWidth())); }
     @computed get yMargin() { return Math.max(this.layoutDoc._showTitle && !this.layoutDoc._showTitleHover ? 30 : 0, this.props.yMargin || NumCast(this.layoutDoc._yMargin, 5)); } // 2 * this.gridGap)); }
     @computed get gridGap() { return NumCast(this.layoutDoc._gridGap, 10); }
-    @computed get isStackingView() { return BoolCast(this.layoutDoc._columnsStack, true); }
+    @computed get isStackingView() { return this.layoutDoc._viewType === CollectionViewType.Stacking; }
     @computed get numGroupColumns() { return this.isStackingView ? Math.max(1, this.Sections.size + (this.showAddAGroup ? 1 : 0)) : 1; }
     @computed get showAddAGroup() { return (this.pivotField && (this.chromeStatus !== 'view-mode' && this.chromeStatus !== 'disabled')); }
     @computed get columnWidth() {
@@ -192,13 +191,13 @@ export class CollectionStackingView extends CollectionSubView<StackingDocument,
         return <ContentFittingDocumentView
             Document={doc}
             DataDoc={dataDoc || (!Doc.AreProtosEqual(doc[DataSym], doc) && doc[DataSym])}
-            styleProvider={this.props.styleProvider}
-            LayoutTemplate={this.props.childLayoutTemplate}
-            LayoutTemplateString={this.props.childLayoutString}
-            FreezeDimensions={this.props.childFreezeDimensions}
             renderDepth={this.props.renderDepth + 1}
             PanelWidth={width}
             PanelHeight={height}
+            styleProvider={this.props.styleProvider}
+            LayoutTemplate={this.props.childLayoutTemplate}
+            LayoutTemplateString={this.props.childLayoutString}
+            freezeDimensions={this.props.childFreezeDimensions}
             NativeWidth={this.props.childIgnoreNativeSize ? returnZero : undefined}  // explicitly ignore nativeWidth/height if childIgnoreNativeSize is set- used by PresBox
             NativeHeight={this.props.childIgnoreNativeSize ? returnZero : undefined}
             dontCenter={this.props.childIgnoreNativeSize ? "xy" : ""}
diff --git a/src/client/views/collections/CollectionTimeView.tsx b/src/client/views/collections/CollectionTimeView.tsx
index e4a3c384c..c7a826669 100644
--- a/src/client/views/collections/CollectionTimeView.tsx
+++ b/src/client/views/collections/CollectionTimeView.tsx
@@ -85,7 +85,12 @@ export class CollectionTimeView extends CollectionSubView(doc => doc) {
 
     @computed get contents() {
         return <div className="collectionTimeView-innards" key="timeline" style={{ width: "100%", pointerEvents: this.props.active() ? undefined : "none" }} onPointerDown={this.contentsDown}>
-            <CollectionFreeFormView {...this.props} childClickScript={this._childClickedScript} viewDefDivClick={this._viewDefDivClick} fitToBox={true} childFreezeDimensions={true} layoutEngine={this.layoutEngine} />
+            <CollectionFreeFormView {...this.props}
+                fitToBox={true}
+                childClickScript={this._childClickedScript}
+                viewDefDivClick={this._viewDefDivClick}
+                childFreezeDimensions={true}
+                layoutEngine={this.layoutEngine} />
         </div>;
     }
 
diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 511fc723d..dbbb3e991 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -66,7 +66,6 @@ export interface CollectionViewProps extends FieldViewProps {
     layoutEngine?: () => string;
     parentActive: (outsideReaction: boolean) => boolean;
     filterAddDocument?: (doc: Doc | Doc[]) => boolean;  // allows a document that renders a Collection view to filter or modify any documents added to the collection (see PresBox for an example)
-    VisibleHeight?: () => number;
     setPreviewCursor?: (func: (x: number, y: number, drag: boolean) => void) => void;
 
     // property overrides for child documents
@@ -242,28 +241,27 @@ export class CollectionView extends Touchable<CollectionViewProps> {
     private SubView = (type: CollectionViewType, props: SubCollectionViewProps) => {
         TraceMobx();
         switch (type) {
-            case CollectionViewType.Schema: return (<CollectionSchemaView key="collview" {...props} />);
-            case CollectionViewType.Docking: return (<CollectionDockingView key="collview" {...props} />);
-            case CollectionViewType.Tree: return (<CollectionTreeView key="collview" {...props} />);
-            //case CollectionViewType.Staff: return (<CollectionStaffView key="collview" {...props} />);
-            case CollectionViewType.Multicolumn: return (<CollectionMulticolumnView key="collview" {...props} />);
-            case CollectionViewType.Multirow: return (<CollectionMultirowView key="rpwview" {...props} />);
-            case CollectionViewType.Linear: { return (<CollectionLinearView key="collview" {...props} />); }
-            case CollectionViewType.Pile: { return (<CollectionPileView key="collview" {...props} />); }
-            case CollectionViewType.Carousel: { return (<CollectionCarouselView key="collview" {...props} />); }
-            case CollectionViewType.Carousel3D: { return (<CollectionCarousel3DView key="collview" {...props} />); }
-            case CollectionViewType.Stacking: { this.props.Document._columnsStack = true; return (<CollectionStackingView key="collview" {...props} />); }
-            case CollectionViewType.Masonry: { this.props.Document._columnsStack = false; return (<CollectionStackingView key="collview" {...props} />); }
-            case CollectionViewType.Time: { return (<CollectionTimeView key="collview" {...props} />); }
-            case CollectionViewType.Map: return (<CollectionMapView key="collview" {...props} />);
-            case CollectionViewType.Grid: return (<CollectionGridView key="gridview" {...props} />);
-            case CollectionViewType.Freeform:
-            default: { this.props.Document._freeformLayoutEngine = undefined; return (<CollectionFreeFormView key="collview" {...props} />); }
+            default:
+            case CollectionViewType.Freeform: return <CollectionFreeFormView key="collview" {...props} />;
+            case CollectionViewType.Schema: return <CollectionSchemaView key="collview" {...props} />;
+            case CollectionViewType.Docking: return <CollectionDockingView key="collview" {...props} />;
+            case CollectionViewType.Tree: return <CollectionTreeView key="collview" {...props} />;
+            case CollectionViewType.Multicolumn: return <CollectionMulticolumnView key="collview" {...props} />;
+            case CollectionViewType.Multirow: return <CollectionMultirowView key="collview" {...props} />;
+            case CollectionViewType.Linear: return <CollectionLinearView key="collview" {...props} />;
+            case CollectionViewType.Pile: return <CollectionPileView key="collview" {...props} />;
+            case CollectionViewType.Carousel: return <CollectionCarouselView key="collview" {...props} />;
+            case CollectionViewType.Carousel3D: return <CollectionCarousel3DView key="collview" {...props} />;
+            case CollectionViewType.Stacking: return <CollectionStackingView key="collview" {...props} />;
+            case CollectionViewType.Masonry: return <CollectionStackingView key="collview" {...props} />;
+            case CollectionViewType.Time: return <CollectionTimeView key="collview" {...props} />;
+            case CollectionViewType.Map: return <CollectionMapView key="collview" {...props} />;
+            case CollectionViewType.Grid: return <CollectionGridView key="collview" {...props} />;
+            //case CollectionViewType.Staff: return <CollectionStaffView key="collview" {...props} />;
         }
     }
 
     setupViewTypes(category: string, func: (viewType: CollectionViewType) => Doc, addExtras: boolean) {
-
         const subItems: ContextMenuProps[] = [];
         subItems.push({ description: "Freeform", event: () => func(CollectionViewType.Freeform), icon: "signature" });
         if (addExtras && CollectionView._safeMode) {
diff --git a/src/client/views/collections/SchemaTable.tsx b/src/client/views/collections/SchemaTable.tsx
index b532d3302..24a67faaf 100644
--- a/src/client/views/collections/SchemaTable.tsx
+++ b/src/client/views/collections/SchemaTable.tsx
@@ -571,7 +571,7 @@ export class SchemaTable extends React.Component<SchemaTableProps> {
                         Document={this._showDoc}
                         DataDoc={this._showDataDoc}
                         fitToBox={true}
-                        FreezeDimensions={true}
+                        freezeDimensions={true}
                         focus={emptyFunction}
                         renderDepth={this.props.renderDepth}
                         rootSelected={() => false}
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index e09abd017..94de40bc8 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -918,7 +918,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
                 !dontCenter && this.props.focus(doc);
                 afterFocus && setTimeout(afterFocus, delay);
             } else {
-                const contextHgt = Doc.AreProtosEqual(annotOn, this.props.Document) && this.props.VisibleHeight ? this.props.VisibleHeight() : NumCast(annotOn._height);
+                const contextHgt = NumCast(annotOn._height);
                 const curScroll = NumCast(this.props.Document._scrollTop);
                 let scrollTo = curScroll;
                 if (curScroll + contextHgt < NumCast(doc.y)) {
@@ -998,30 +998,30 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
             fitToBox: false,
             DataDoc: childData,
             Document: childLayout,
+            ContainingCollectionView: this.props.CollectionView,
+            ContainingCollectionDoc: this.props.Document,
             LayoutTemplate: childLayout.z ? undefined : this.props.childLayoutTemplate,
             LayoutTemplateString: childLayout.z ? undefined : this.props.childLayoutString,
-            FreezeDimensions: this.props.childFreezeDimensions,
             setupDragLines: this.setupDragLines,
-            dontRegisterView: this.props.dontRegisterView,
             rootSelected: childData ? this.rootSelected : returnFalse,
-            dropAction: StrCast(this.props.Document.childDropAction) as dropActionType,
             onClick: this.onChildClickHandler,
             onDoubleClick: this.onChildDoubleClickHandler,
             ScreenToLocalTransform: childLayout.z ? this.getTransformOverlay : this.getTransform,
-            renderDepth: this.props.renderDepth + 1,
             PanelWidth: childLayout[WidthSym],
             PanelHeight: childLayout[HeightSym],
             ContentScaling: returnOne,
-            ContainingCollectionView: this.props.CollectionView,
-            ContainingCollectionDoc: this.props.Document,
             docFilters: this.docFilters,
             docRangeFilters: this.docRangeFilters,
             searchFilterDocs: this.searchFilterDocs,
             focus: this.focusDocument,
             styleProvider: this.getClusterColor,
             backgroundHalo: this.backgroundHalo,
+            freezeDimensions: this.props.childFreezeDimensions,
+            dropAction: StrCast(this.props.Document.childDropAction) as dropActionType,
             bringToFront: this.bringToFront,
             addDocTab: this.addDocTab,
+            renderDepth: this.props.renderDepth + 1,
+            dontRegisterView: this.props.dontRegisterView,
         };
     }
 
@@ -1172,7 +1172,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
                     jitterRotation={NumCast(this.props.Document._jitterRotation) || ((Doc.UserDoc().renderStyle === "comic" ? 10 : 0))}
                     //fitToBox={this.props.fitToBox || BoolCast(this.props.freezeChildDimensions)} // bcz: check this
                     fitToBox={BoolCast(this.props.childFreezeDimensions)} // bcz: check this
-                    FreezeDimensions={BoolCast(this.props.childFreezeDimensions)}
+                    freezeDimensions={BoolCast(this.props.childFreezeDimensions)}
                 />,
                 bounds: this.childDataProvider(entry[1].pair.layout, entry[1].replica)
             }));
diff --git a/src/client/views/collections/collectionGrid/CollectionGridView.tsx b/src/client/views/collections/collectionGrid/CollectionGridView.tsx
index f3e385746..bef197bee 100644
--- a/src/client/views/collections/collectionGrid/CollectionGridView.tsx
+++ b/src/client/views/collections/collectionGrid/CollectionGridView.tsx
@@ -170,7 +170,7 @@ export class CollectionGridView extends CollectionSubView(GridSchema) {
             PanelWidth={width}
             PanelHeight={height}
             ContentScaling={returnOne}
-            FreezeDimensions={true}
+            freezeDimensions={true}
             fitToBox={true}
             ScreenToLocalTransform={dxf}
             onClick={this.onChildClickHandler}
diff --git a/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx b/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx
index 586c5d1df..d4913a5ed 100644
--- a/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx
+++ b/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx
@@ -219,7 +219,7 @@ export class CollectionMulticolumnView extends CollectionSubView(MulticolumnDocu
             styleProvider={this.props.styleProvider}
             LayoutTemplate={this.props.childLayoutTemplate}
             LayoutTemplateString={this.props.childLayoutString}
-            FreezeDimensions={this.props.childFreezeDimensions}
+            freezeDimensions={this.props.childFreezeDimensions}
             renderDepth={this.props.renderDepth + 1}
             PanelWidth={width}
             PanelHeight={height}
diff --git a/src/client/views/collections/collectionMulticolumn/CollectionMultirowView.tsx b/src/client/views/collections/collectionMulticolumn/CollectionMultirowView.tsx
index 87c56de6f..9039090d1 100644
--- a/src/client/views/collections/collectionMulticolumn/CollectionMultirowView.tsx
+++ b/src/client/views/collections/collectionMulticolumn/CollectionMultirowView.tsx
@@ -219,7 +219,7 @@ export class CollectionMultirowView extends CollectionSubView(MultirowDocument)
             styleProvider={this.props.styleProvider}
             LayoutTemplate={this.props.childLayoutTemplate}
             LayoutTemplateString={this.props.childLayoutString}
-            FreezeDimensions={this.props.childFreezeDimensions}
+            freezeDimensions={this.props.childFreezeDimensions}
             renderDepth={this.props.renderDepth + 1}
             PanelWidth={width}
             PanelHeight={height}
diff --git a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
index b4b887617..d68184da6 100644
--- a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
+++ b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
@@ -52,7 +52,7 @@ export class CollectionFreeFormDocumentView extends DocComponent<CollectionFreeF
         const hgt = this.props.sizeProvider && this.sizeProvider ? this.sizeProvider.height : this.layoutDoc[HeightSym]();
         return (hgt === undefined && this.nativeWidth && this.nativeHeight) ? this.width * this.nativeHeight / this.nativeWidth : hgt;
     }
-    @computed get freezeDimensions() { return this.props.FreezeDimensions; }
+    @computed get freezeDimensions() { return this.props.freezeDimensions; }
     @computed get dataProvider() { return this.props.dataProvider?.(this.props.Document, this.props.replica); }
     @computed get sizeProvider() { return this.props.sizeProvider?.(this.props.Document, this.props.replica); }
     @computed get nativeWidth() { return returnVal(this.props.NativeWidth?.(), Doc.NativeWidth(this.layoutDoc, undefined, this.freezeDimensions)); }
diff --git a/src/client/views/nodes/ContentFittingDocumentView.tsx b/src/client/views/nodes/ContentFittingDocumentView.tsx
index 74d7cb24e..7b767a10a 100644
--- a/src/client/views/nodes/ContentFittingDocumentView.tsx
+++ b/src/client/views/nodes/ContentFittingDocumentView.tsx
@@ -22,7 +22,7 @@ export class ContentFittingDocumentView extends React.Component<DocumentViewProp
             (this.props.layoutKey && Doc.Layout(this.props.Document, Cast(this.props.Document[this.props.layoutKey], Doc, null))) ||
             Doc.Layout(this.props.Document);
     }
-    @computed get freezeDimensions() { return this.props.FreezeDimensions; }
+    @computed get freezeDimensions() { return this.props.freezeDimensions; }
     @computed get nativeWidth() { return !this.layoutDoc._fitWidth && returnVal(this.props.NativeWidth?.(), Doc.NativeWidth(this.layoutDoc, this.props.DataDoc, this.freezeDimensions)); }
     @computed get nativeHeight() { return returnVal(this.props.NativeHeight?.(), Doc.NativeHeight(this.layoutDoc, this.props.DataDoc, this.freezeDimensions) || 0); }
     @computed get nativeScaling() {
diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index dc048843f..595c3a950 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -84,7 +84,7 @@ export interface DocumentViewSharedProps {
 }
 export interface DocumentViewProps extends DocumentViewSharedProps {
     // properties specific to DocumentViews but not to FieldView
-    FreezeDimensions?: boolean;
+    freezeDimensions?: boolean;
     fitToBox?: boolean;
     treeViewDoc?: Doc;
     dragDivName?: string;
@@ -133,7 +133,7 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
                 undefined);
     }
     @computed get topMost() { return this.props.renderDepth === 0; }
-    @computed get freezeDimensions() { return this.props.FreezeDimensions; }
+    @computed get freezeDimensions() { return this.props.freezeDimensions; }
     @computed get nativeWidth() { return returnVal(this.props.NativeWidth?.(), Doc.NativeWidth(this.layoutDoc, this.dataDoc, this.freezeDimensions)); }
     @computed get nativeHeight() { return returnVal(this.props.NativeHeight?.(), Doc.NativeHeight(this.layoutDoc, this.dataDoc, this.freezeDimensions)); }
     @computed get onClickHandler() { return this.props.onClick?.() ?? Cast(this.Document.onClick, ScriptField, Cast(this.layoutDoc.onClick, ScriptField, null)); }
diff --git a/src/client/views/nodes/KeyValueBox.tsx b/src/client/views/nodes/KeyValueBox.tsx
index 4ac932c24..8acf4081c 100644
--- a/src/client/views/nodes/KeyValueBox.tsx
+++ b/src/client/views/nodes/KeyValueBox.tsx
@@ -169,7 +169,6 @@ export class KeyValueBox extends React.Component<FieldViewProps> {
 
     getTemplate = async () => {
         const parent = Docs.Create.StackingDocument([], { _width: 800, _height: 800, title: "Template" });
-        parent._columnsStack = false;
         parent._columnWidth = 100;
         for (const row of this.rows.filter(row => row.isChecked)) {
             await this.createTemplateField(parent, row);
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index 42b24f6f6..a2f3fb2d1 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -1,28 +1,27 @@
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
-import { action, observable, runInAction, reaction, IReactionDisposer, trace, untracked, computed } from 'mobx';
+import { action, computed, IReactionDisposer, observable, reaction, runInAction } from 'mobx';
 import { observer } from "mobx-react";
 import * as Pdfjs from "pdfjs-dist";
 import "pdfjs-dist/web/pdf_viewer.css";
-import { Opt, WidthSym, Doc, HeightSym } from "../../../fields/Doc";
+import { Doc, Opt, WidthSym } from "../../../fields/Doc";
+import { documentSchema } from '../../../fields/documentSchemas';
 import { makeInterface } from "../../../fields/Schema";
-import { ScriptField } from '../../../fields/ScriptField';
-import { Cast, NumCast, StrCast } from "../../../fields/Types";
-import { PdfField, URLField } from "../../../fields/URLField";
+import { Cast, NumCast } from "../../../fields/Types";
+import { PdfField } from "../../../fields/URLField";
+import { TraceMobx } from '../../../fields/util';
 import { Utils } from '../../../Utils';
+import { KeyCodes } from '../../util/KeyCodes';
 import { undoBatch } from '../../util/UndoManager';
 import { panZoomSchema } from '../collections/collectionFreeForm/CollectionFreeFormView';
+import { CollectionViewType } from '../collections/CollectionView';
 import { ContextMenu } from '../ContextMenu';
 import { ContextMenuProps } from '../ContextMenuItem';
 import { ViewBoxAnnotatableComponent } from "../DocComponent";
 import { PDFViewer } from "../pdf/PDFViewer";
 import { FieldView, FieldViewProps } from './FieldView';
 import { pageSchema } from "./ImageBox";
-import { KeyCodes } from '../../util/KeyCodes';
 import "./PDFBox.scss";
 import React = require("react");
-import { documentSchema } from '../../../fields/documentSchemas';
-import { CollectionViewType } from '../collections/CollectionView';
-import { TraceMobx } from '../../../fields/util';
 
 type PdfDocument = makeInterface<[typeof documentSchema, typeof panZoomSchema, typeof pageSchema]>;
 const PdfDocument = makeInterface(documentSchema, panZoomSchema, pageSchema);
@@ -30,17 +29,11 @@ const PdfDocument = makeInterface(documentSchema, panZoomSchema, pageSchema);
 @observer
 export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocument>(PdfDocument) {
     public static LayoutString(fieldKey: string) { return FieldView.LayoutString(PDFBox, fieldKey); }
-    private _keyValue: string = "";
-    private _valueValue: string = "";
-    private _scriptValue: string = "";
     private _searchString: string = "";
     private _initialScale: number = 0;  // the initial scale of the PDF when first rendered which determines whether the document will be live on startup or not.  Getting bigger after startup won't make it automatically be live.
     private _displayPdfLive = false; // has this box ever had its contents activated -- if so, stop drawing the overlay title
     private _pdfViewer: PDFViewer | undefined;
     private _searchRef = React.createRef<HTMLInputElement>();
-    private _keyRef = React.createRef<HTMLInputElement>();
-    private _valueRef = React.createRef<HTMLInputElement>();
-    private _scriptRef = React.createRef<HTMLInputElement>();
     private _selectReactionDisposer: IReactionDisposer | undefined;
 
     @observable private _searching: boolean = false;
@@ -130,25 +123,6 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
         }
     });
 
-    @undoBatch
-    @action
-    private applyFilter = () => {
-        const scriptText = this._scriptValue ? this._scriptValue :
-            this._keyValue && this._valueValue ? `this.${this._keyValue} === ${this._valueValue}` : "true";
-        this.props.Document.filterScript = ScriptField.MakeFunction(scriptText);
-    }
-
-    private resetFilters = () => {
-        this._keyValue = this._valueValue = this._scriptValue = "";
-        this._keyRef.current && (this._keyRef.current.value = "");
-        this._valueRef.current && (this._valueRef.current.value = "");
-        this._scriptRef.current && (this._scriptRef.current.value = "");
-        this.applyFilter();
-    }
-    private newKeyChange = (e: React.ChangeEvent<HTMLInputElement>) => this._keyValue = e.currentTarget.value;
-    private newValueChange = (e: React.ChangeEvent<HTMLInputElement>) => this._valueValue = e.currentTarget.value;
-    private newScriptChange = (e: React.ChangeEvent<HTMLInputElement>) => this._scriptValue = e.currentTarget.value;
-
     whenActiveChanged = action((isActive: boolean) => this.props.whenActiveChanged(this._isChildActive = isActive));
     setPdfViewer = (pdfViewer: PDFViewer) => { this._pdfViewer = pdfViewer; };
     searchStringChanged = (e: React.ChangeEvent<HTMLInputElement>) => this._searchString = e.currentTarget.value;
@@ -197,36 +171,6 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
                         onClick={action(() => this._pageControls = !this._pageControls)} />
                     {this._pageControls ? pageBtns : (null)}
                 </div>
-                {/* <div className="pdfBox-settingsCont" key="settings" onPointerDown={(e) => e.stopPropagation()}>
-                    <button className="pdfBox-settingsButton" onClick={action(() => this._flyout = !this._flyout)} title="Open Annotation Settings" >
-                        <div className="pdfBox-settingsButton-arrow" style={{ transform: `scaleX(${this._flyout ? -1 : 1})` }} />
-                        <div className="pdfBox-settingsButton-iconCont">
-                            <FontAwesomeIcon style={{ color: "white" }} icon="cog" size="lg" />
-                        </div>
-                    </button>
-                    <div className="pdfBox-settingsFlyout" style={{ right: `${this._flyout ? 20 : -1000}px` }} >
-                        <div className="pdfBox-settingsFlyout-title">
-                            Annotation View Settings
-                        </div>
-                        <div className="pdfBox-settingsFlyout-kvpInput">
-                            <input placeholder="Key" className="pdfBox-settingsFlyout-input" onChange={this.newKeyChange} style={{ gridColumn: 1 }} ref={this._keyRef} />
-                            <input placeholder="Value" className="pdfBox-settingsFlyout-input" onChange={this.newValueChange} style={{ gridColumn: 3 }} ref={this._valueRef} />
-                        </div>
-                        <div className="pdfBox-settingsFlyout-kvpInput">
-                            <input placeholder="Custom Script" onChange={this.newScriptChange} style={{ gridColumn: "1 / 4" }} ref={this._scriptRef} />
-                        </div>
-                        <div className="pdfBox-settingsFlyout-kvpInput">
-                            <button style={{ gridColumn: 1 }} onClick={this.resetFilters}>
-                                <FontAwesomeIcon style={{ color: "white" }} icon="trash" size="lg" />
-                                &nbsp; Reset Filters
-                            </button>
-                            <button style={{ gridColumn: 3 }} onClick={this.applyFilter}>
-                                <FontAwesomeIcon style={{ color: "white" }} icon="check" size="lg" />
-                                &nbsp; Apply
-                            </button>
-                        </div>
-                    </div>
-                </div> */}
             </div>);
     }
 
@@ -253,19 +197,19 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
     @computed get renderPdfView() {
         TraceMobx();
         const pdfUrl = Cast(this.dataDoc[this.props.fieldKey], PdfField);
-        return <div className={"pdfBox"} onContextMenu={this.specificContextMenu} style={{ height: this.props.Document._scrollTop && !this.Document._fitWidth && (window.screen.width > 600) ? NumCast(this.Document._height) * this.props.PanelWidth() / NumCast(this.Document._width) : undefined }}>
-            <div className="pdfBox-background"></div>
-            <PDFViewer {...this.props} pdf={this._pdf!} url={pdfUrl!.url.pathname} active={this.props.active} loaded={!Doc.NativeAspect(this.dataDoc) ? this.loaded : undefined}
-                setPdfViewer={this.setPdfViewer} ContainingCollectionView={this.props.ContainingCollectionView}
-                renderDepth={this.props.renderDepth} PanelHeight={this.props.PanelHeight} PanelWidth={this.props.PanelWidth}
-                addDocTab={this.props.addDocTab} focus={this.props.focus} searchFilterDocs={this.props.searchFilterDocs}
-                docFilters={this.props.docFilters} docRangeFilters={this.props.docRangeFilters}
-                pinToPres={this.props.pinToPres} addDocument={this.addDocument}
-                Document={this.props.Document} DataDoc={this.dataDoc} ContentScaling={this.props.ContentScaling}
-                ScreenToLocalTransform={this.props.ScreenToLocalTransform} select={this.props.select}
-                isSelected={this.props.isSelected} whenActiveChanged={this.whenActiveChanged}
+        return <div className={"pdfBox"} onContextMenu={this.specificContextMenu}
+            style={{ height: this.props.Document._scrollTop && !this.Document._fitWidth && (window.screen.width > 600) ? NumCast(this.Document._height) * this.props.PanelWidth() / NumCast(this.Document._width) : undefined }}>
+            <div className="pdfBox-background" />
+            <PDFViewer {...this.props}
+                pdf={this._pdf!}
+                url={pdfUrl!.url.pathname}
+                loaded={!Doc.NativeAspect(this.dataDoc) ? this.loaded : undefined}
+                setPdfViewer={this.setPdfViewer}
+                addDocument={this.addDocument}
+                whenActiveChanged={this.whenActiveChanged}
                 isChildActive={this.isChildActive}
-                fieldKey={this.props.fieldKey} startupLive={true} />
+                startupLive={true}
+            />
             {this.settingsPanel()}
         </div>;
     }
diff --git a/src/client/views/nodes/VideoBox.tsx b/src/client/views/nodes/VideoBox.tsx
index 8d10768ff..90a5dee23 100644
--- a/src/client/views/nodes/VideoBox.tsx
+++ b/src/client/views/nodes/VideoBox.tsx
@@ -427,11 +427,7 @@ export class VideoBox extends ViewBoxAnnotatableComponent<FieldViewProps, VideoD
             <div className="videoBox-viewer" >
                 <CollectionFreeFormView {...OmitKeys(this.props, ["NativeWidth", "NativeHeight"]).omit}
                     forceScaling={true}
-                    PanelHeight={this.props.PanelHeight}
-                    PanelWidth={this.props.PanelWidth}
                     fieldKey={this.annotationKey}
-                    focus={this.props.focus}
-                    isSelected={this.props.isSelected}
                     isAnnotationOverlay={true}
                     select={emptyFunction}
                     active={this.annotationsActive}
@@ -441,12 +437,7 @@ export class VideoBox extends ViewBoxAnnotatableComponent<FieldViewProps, VideoD
                     moveDocument={this.moveDocument}
                     addDocument={this.addDocumentWithTimestamp}
                     CollectionView={undefined}
-                    ScreenToLocalTransform={this.props.ScreenToLocalTransform}
-                    renderDepth={this.props.renderDepth + 1}
-                    docFilters={this.props.docFilters}
-                    docRangeFilters={this.props.docRangeFilters}
-                    searchFilterDocs={this.props.searchFilterDocs}
-                    ContainingCollectionDoc={this.props.ContainingCollectionDoc}>
+                    renderDepth={this.props.renderDepth + 1}>
                     {this.contentFunc}
                 </CollectionFreeFormView>
             </div>
diff --git a/src/client/views/nodes/WebBox.tsx b/src/client/views/nodes/WebBox.tsx
index 197ff20d5..47464d794 100644
--- a/src/client/views/nodes/WebBox.tsx
+++ b/src/client/views/nodes/WebBox.tsx
@@ -646,14 +646,6 @@ export class WebBox extends ViewBoxAnnotatableComponent<FieldViewProps, WebDocum
     marqueeX = () => this._marqueeX;
     marqueeY = () => this._marqueeY;
     marqueeing = () => this._marqueeing;
-    visibleHeight = () => {
-        if (this._mainCont.current) {
-            const boundingRect = this._mainCont.current.getBoundingClientRect();
-            const scaling = (Doc.NativeWidth(this.Document) || 0) / boundingRect.width;
-            return Math.min(boundingRect.height * scaling, this.props.PanelHeight() * scaling);
-        }
-        return this.props.PanelHeight();
-    }
     scrollXf = () => this.props.ScreenToLocalTransform().translate(NumCast(this.layoutDoc._scrollLeft), NumCast(this.layoutDoc._scrollTop));
     render() {
         const scaling = Number.isFinite(this.props.ContentScaling()) ? this.props.ContentScaling() || 1 : 1;
@@ -697,13 +689,8 @@ export class WebBox extends ViewBoxAnnotatableComponent<FieldViewProps, WebDocum
                         pointerEvents: this.props.layerProvider?.(this.layoutDoc) === false ? "none" : undefined
                     }}>
                         <CollectionFreeFormView {...OmitKeys(this.props, ["NativeWidth", "NativeHeight"]).omit}
-                            PanelHeight={this.props.PanelHeight}
-                            PanelWidth={this.props.PanelWidth}
                             fieldKey={this.annotationKey}
-                            VisibleHeight={this.visibleHeight}
-                            focus={this.props.focus}
                             setPreviewCursor={this.setPreviewCursor}
-                            isSelected={this.props.isSelected}
                             isAnnotationOverlay={true}
                             select={emptyFunction}
                             active={this.active}
@@ -714,11 +701,7 @@ export class WebBox extends ViewBoxAnnotatableComponent<FieldViewProps, WebDocum
                             addDocument={this.addDocument}
                             CollectionView={undefined}
                             ScreenToLocalTransform={this.scrollXf}
-                            renderDepth={this.props.renderDepth + 1}
-                            docFilters={this.props.docFilters}
-                            docRangeFilters={this.props.docRangeFilters}
-                            searchFilterDocs={this.props.searchFilterDocs}
-                            ContainingCollectionDoc={this.props.ContainingCollectionDoc}>
+                            renderDepth={this.props.renderDepth + 1}>
                         </CollectionFreeFormView>
                     </div>
                 </div>
diff --git a/src/client/views/nodes/formattedText/FormattedTextBox.tsx b/src/client/views/nodes/formattedText/FormattedTextBox.tsx
index 33515e475..bfbd7805d 100644
--- a/src/client/views/nodes/formattedText/FormattedTextBox.tsx
+++ b/src/client/views/nodes/formattedText/FormattedTextBox.tsx
@@ -1620,8 +1620,6 @@ export class FormattedTextBox extends ViewBoxAnnotatableComponent<(FieldViewProp
             isAnnotationOverlay: true,
             fieldKey: this.annotationKey,
             fitToBox: fitToBox,
-            focus: this.props.focus,
-            isSelected: this.props.isSelected,
             select: emptyFunction,
             active: this.annotationsActive,
             ContentScaling: this.sidebarContentScaling,
@@ -1632,7 +1630,6 @@ export class FormattedTextBox extends ViewBoxAnnotatableComponent<(FieldViewProp
             CollectionView: undefined,
             ScreenToLocalTransform: this.sidebarScreenToLocal,
             renderDepth: this.props.renderDepth + 1,
-            ContainingCollectionDoc: this.props.ContainingCollectionDoc,
         };
         return !this.layoutDoc._showSidebar || this.sidebarWidthPercent === "0%" ? (null) :
             <div className={"formattedTextBox-sidebar" + (Doc.GetSelectedTool() !== InkTool.None ? "-inking" : "")}
diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index 633a34c5e..199b77408 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -3,7 +3,7 @@ import { observer } from "mobx-react";
 import * as Pdfjs from "pdfjs-dist";
 import "pdfjs-dist/web/pdf_viewer.css";
 import { Dictionary } from "typescript-collections";
-import { AclAddonly, AclAdmin, AclEdit, DataSym, Doc, DocListCast, HeightSym, Opt, WidthSym, Field } from "../../../fields/Doc";
+import { AclAddonly, AclAdmin, AclEdit, DataSym, Doc, DocListCast, Field, HeightSym, Opt, WidthSym } from "../../../fields/Doc";
 import { documentSchema } from "../../../fields/documentSchemas";
 import { Id } from "../../../fields/FieldSymbols";
 import { InkTool } from "../../../fields/InkField";
@@ -13,29 +13,30 @@ import { ScriptField } from "../../../fields/ScriptField";
 import { Cast, NumCast, StrCast } from "../../../fields/Types";
 import { PdfField } from "../../../fields/URLField";
 import { GetEffectiveAcl, TraceMobx } from "../../../fields/util";
-import { addStyleSheet, addStyleSheetRule, clearStyleSheetRules, emptyFunction, emptyPath, intersectRect, returnZero, smoothScroll, Utils, OmitKeys } from "../../../Utils";
+import { addStyleSheet, addStyleSheetRule, clearStyleSheetRules, emptyFunction, OmitKeys, smoothScroll, Utils } from "../../../Utils";
 import { Docs, DocUtils } from "../../documents/Documents";
 import { DocumentType } from "../../documents/DocumentTypes";
 import { Networking } from "../../Network";
+import { CurrentUserUtils } from "../../util/CurrentUserUtils";
 import { DragManager } from "../../util/DragManager";
 import { CompiledScript, CompileScript } from "../../util/Scripting";
 import { SelectionManager } from "../../util/SelectionManager";
+import { SharingManager } from "../../util/SharingManager";
 import { SnappingManager } from "../../util/SnappingManager";
 import { Transform } from "../../util/Transform";
 import { undoBatch } from "../../util/UndoManager";
 import { CollectionFreeFormView } from "../collections/collectionFreeForm/CollectionFreeFormView";
 import { CollectionView } from "../collections/CollectionView";
 import { ViewBoxAnnotatableComponent } from "../DocComponent";
+import { FormattedTextBox } from "../nodes/formattedText/FormattedTextBox";
+import { FormattedTextBoxComment } from "../nodes/formattedText/FormattedTextBoxComment";
+import { LinkDocPreview } from "../nodes/LinkDocPreview";
 import { Annotation } from "./Annotation";
 import { PDFMenu } from "./PDFMenu";
 import "./PDFViewer.scss";
 const pdfjs = require('pdfjs-dist/es5/build/pdf.js');
 import React = require("react");
-import { LinkDocPreview } from "../nodes/LinkDocPreview";
-import { FormattedTextBoxComment } from "../nodes/formattedText/FormattedTextBoxComment";
-import { CurrentUserUtils } from "../../util/CurrentUserUtils";
-import { SharingManager } from "../../util/SharingManager";
-import { FormattedTextBox } from "../nodes/formattedText/FormattedTextBox";
+import { FieldViewProps } from "../nodes/FieldView";
 const PDFJSViewer = require("pdfjs-dist/web/pdf_viewer");
 const pdfjsLib = require("pdfjs-dist");
 const _global = (window /* browser */ || global /* node */) as any;
@@ -54,34 +55,13 @@ pdfjsLib.GlobalWorkerOptions.workerSrc = "https://unpkg.com/pdfjs-dist@2.4.456/b
 type PdfDocument = makeInterface<[typeof documentSchema, typeof pageSchema]>;
 const PdfDocument = makeInterface(documentSchema, pageSchema);
 
-interface IViewerProps {
+interface IViewerProps extends FieldViewProps {
     pdf: Pdfjs.PDFDocumentProxy;
     url: string;
-    fieldKey: string;
-    Document: Doc;
-    DataDoc?: Doc;
-    searchFilterDocs: () => Doc[];
-    ContainingCollectionView: Opt<CollectionView>;
-    docFilters: () => string[];
-    docRangeFilters: () => string[];
-    PanelWidth: () => number;
-    PanelHeight: () => number;
-    ContentScaling: () => number;
-    select: (isCtrlPressed: boolean) => void;
-    rootSelected: (outsideReaction?: boolean) => boolean;
     startupLive: boolean;
-    renderDepth: number;
-    focus: (doc: Doc) => void;
-    isSelected: (outsideReaction?: boolean) => boolean;
     loaded?: (nw: number, nh: number, np: number) => void;
-    active: (outsideReaction?: boolean) => boolean;
     isChildActive: (outsideReaction?: boolean) => boolean;
-    addDocTab: (document: Doc, where: string) => boolean;
-    pinToPres: (document: Doc, unpin?: boolean) => void;
-    addDocument?: (doc: Doc) => boolean;
     setPdfViewer: (view: PDFViewer) => void;
-    ScreenToLocalTransform: () => Transform;
-    whenActiveChanged: (isActive: boolean) => void;
 }
 
 /**
@@ -392,13 +372,12 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
     @action
     scrollToAnnotation = (scrollToAnnotation: Doc) => {
         if (scrollToAnnotation) {
-            const offset = this.visibleHeight() / 2;
+            const offset = (this.props.PanelHeight() / this.props.ContentScaling()) / 2;
             this._mainCont.current && smoothScroll(500, this._mainCont.current, NumCast(scrollToAnnotation.y) - offset);
             Doc.linkFollowHighlight(scrollToAnnotation);
         }
     }
 
-
     pageDelay: any;
     @action
     onScroll = (e: React.UIEvent<HTMLElement>) => {
@@ -742,9 +721,6 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
                 PanelHeight={this.panelWidth}
                 PanelWidth={this.panelHeight}
                 dropAction={"alias"}
-                VisibleHeight={this.visibleHeight}
-                focus={this.props.focus}
-                isSelected={this.props.isSelected}
                 select={emptyFunction}
                 active={this.annotationsActive}
                 ContentScaling={this.contentZoom}
@@ -754,12 +730,9 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
                 removeDocument={this.removeDocument}
                 moveDocument={this.moveDocument}
                 addDocument={this.addDocument}
-                docFilters={this.props.docFilters}
-                docRangeFilters={this.props.docRangeFilters}
                 CollectionView={undefined}
                 ScreenToLocalTransform={this.overlayTransform}
-                renderDepth={this.props.renderDepth + 1}
-                ContainingCollectionDoc={this.props.ContainingCollectionView?.props.Document}>
+                renderDepth={this.props.renderDepth + 1}>
             </CollectionFreeFormView>
         </div>;
     }
@@ -778,7 +751,6 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
     marqueeX = () => this._marqueeX;
     marqueeY = () => this._marqueeY;
     marqueeing = () => this._marqueeing;
-    visibleHeight = () => this.props.PanelHeight() / this.props.ContentScaling();
     contentZoom = () => this._zoomed;
     render() {
         TraceMobx();
diff --git a/src/fields/documentSchemas.ts b/src/fields/documentSchemas.ts
index 979238767..67df56015 100644
--- a/src/fields/documentSchemas.ts
+++ b/src/fields/documentSchemas.ts
@@ -49,14 +49,12 @@ export const documentSchema = createSchema({
     _showTitle: "string",       // the fieldkey whose contents should be displayed at the top of the document
     _showTitleHover: "string",  // the showTitle should be shown only on hover
     _showAudio: "boolean",      // whether to show the audio record icon on documents
-    _freeformLayoutEngine: "string",// the string ID for the layout engine to use to layout freeform view documents
     _freeformLOD: "boolean",    // whether to enable LOD switching for CollectionFreeFormViews
     _pivotField: "string",      // specifies which field key should be used as the timeline/pivot axis
     _replacedChrome: "string",  // what the default chrome is replaced with. Currently only supports the value of 'replaced' for PresBox's.
     _chromeStatus: "string",    // determines the state of the collection chrome. values allowed are 'replaced', 'enabled', 'disabled', 'collapsed'
     _columnsFill: "boolean",    // whether documents in a stacking view column should be sized to fill the column
     _columnsSort: "string",     // how a document should be sorted "ascending", "descending", undefined (none)   
-    _columnsStack: "boolean",   // whether a stacking document stacks vertically (as opposed to masonry horizontal)
     _columnsHideIfEmpty: "boolean",   // whether empty stacking view column headings should be hidden
     _columnHeaders: listSpec(SchemaHeaderField), // header descriptions for stacking/masonry
     _schemaHeaders: listSpec(SchemaHeaderField), // header descriptions for schema views