resolved merge conflicts

11 files changed, 236 insertions, 209 deletions

diff --git a/src/client/views/collections/CollectionBaseView.tsx b/src/client/views/collections/CollectionBaseView.tsx
index cad87ebcc..4a296493a 100644
--- a/src/client/views/collections/CollectionBaseView.tsx
+++ b/src/client/views/collections/CollectionBaseView.tsx
@@ -83,7 +83,7 @@ export class CollectionBaseView extends React.Component<CollectionViewProps> {
 
     active = (): boolean => {
         var isSelected = this.props.isSelected();
-        return isSelected || this._isChildActive || this.props.renderDepth === 0 || BoolCast(this.props.Document.excludeFromLibrary);
+        return isSelected || BoolCast(this.props.Document.forceActive) || this._isChildActive || this.props.renderDepth === 0 || BoolCast(this.props.Document.excludeFromLibrary);
     }
 
     //TODO should this be observable?
diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index 77b698a07..7332a490a 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -389,7 +389,7 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
                 const stack = tab.contentItem.parent;
                 // shifts the focus to this tab when another tab is dragged over it
                 tab.element[0].onmouseenter = (e: any) => {
-                    if (!this._isPointerDown) return;
+                    if (!this._isPointerDown || !SelectionManager.GetIsDragging()) return;
                     var activeContentItem = tab.header.parent.getActiveContentItem();
                     if (tab.contentItem !== activeContentItem) {
                         tab.header.parent.setActiveContentItem(tab.contentItem);
@@ -552,11 +552,11 @@ export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
         }
     }
 
-    panelWidth = () => Math.min(this._panelWidth, Math.max(NumCast(this._document!.width), this.nativeWidth()));
-    panelHeight = () => Math.min(this._panelHeight, Math.max(NumCast(this._document!.height), NumCast(this._document!.nativeHeight, this._panelHeight)));
+    panelWidth = () => this._document!.ignoreAspect ? this._panelWidth : Math.min(this._panelWidth, Math.max(NumCast(this._document!.width), this.nativeWidth()));
+    panelHeight = () => this._document!.ignoreAspect ? this._panelHeight : Math.min(this._panelHeight, Math.max(NumCast(this._document!.height), NumCast(this._document!.nativeHeight, this._panelHeight)));
 
-    nativeWidth = () => !BoolCast(this._document!.ignoreAspect) ? NumCast(this._document!.nativeWidth, this._panelWidth) : 0;
-    nativeHeight = () => !BoolCast(this._document!.ignoreAspect) ? NumCast(this._document!.nativeHeight, this._panelHeight) : 0;
+    nativeWidth = () => !this._document!.ignoreAspect ? NumCast(this._document!.nativeWidth) || this._panelWidth : 0;
+    nativeHeight = () => !this._document!.ignoreAspect ? NumCast(this._document!.nativeHeight) || this._panelHeight : 0;
 
     contentScaling = () => {
         const nativeH = this.nativeHeight();
diff --git a/src/client/views/collections/CollectionSchemaView.scss b/src/client/views/collections/CollectionSchemaView.scss
index 01744fb34..e0cedc210 100644
--- a/src/client/views/collections/CollectionSchemaView.scss
+++ b/src/client/views/collections/CollectionSchemaView.scss
@@ -22,30 +22,6 @@
         overflow: scroll;
     }
 
-    .collectionSchemaView-previewRegion {
-        position: relative;
-        background: $light-color;
-        height: 100%;
-
-        .collectionSchemaView-previewDoc {
-            height: 100%;
-            width: 100%;
-            position: absolute;
-        }
-
-        .collectionSchemaView-input {
-            position: absolute;
-            max-width: 150px;
-            width: 100%;
-            bottom: 0px;
-        }
-
-        .documentView-node:first-child {
-            position: relative;
-            background: $light-color;
-        }
-    }
-
     .collectionSchemaView-dividerDragger {
         position: relative;
         height: 100%;
@@ -62,6 +38,30 @@
     }
 }
 
+.collectionSchemaView-previewRegion {
+    position: relative;
+    background: $light-color;
+    height: auto !important;
+
+    .collectionSchemaView-previewDoc {
+        height: 100%;
+        width: 100%;
+        position: absolute;
+    }
+
+    .collectionSchemaView-input {
+        position: absolute;
+        max-width: 150px;
+        width: 100%;
+        bottom: 0px;
+    }
+
+    .documentView-node:first-child {
+        position: relative;
+        background: $light-color;
+    }
+}
+
 .ReactTable {
     width: 100%;
     background: white;
diff --git a/src/client/views/collections/CollectionSchemaView.tsx b/src/client/views/collections/CollectionSchemaView.tsx
index ebfa737be..4537dcc85 100644
--- a/src/client/views/collections/CollectionSchemaView.tsx
+++ b/src/client/views/collections/CollectionSchemaView.tsx
@@ -30,7 +30,7 @@ import { undoBatch } from "../../util/UndoManager";
 import { CollectionSchemaHeader, CollectionSchemaAddColumnHeader } from "./CollectionSchemaHeaders";
 import { CellProps, CollectionSchemaCell, CollectionSchemaNumberCell, CollectionSchemaStringCell, CollectionSchemaBooleanCell, CollectionSchemaCheckboxCell, CollectionSchemaDocCell } from "./CollectionSchemaCells";
 import { MovableColumn, MovableRow } from "./CollectionSchemaMovableTableHOC";
-import { ComputedField } from "../../../new_fields/ScriptField";
+import { ComputedField, ScriptField } from "../../../new_fields/ScriptField";
 import { SchemaHeaderField } from "../../../new_fields/SchemaHeaderField";
 
 
@@ -303,13 +303,13 @@ export class SchemaTable extends React.Component<SchemaTableProps> {
             return resized;
         }, [] as { "id": string, "value": number }[]);
     }
-    @computed get sorted(): { "id": string, "desc"?: true }[] {
+    @computed get sorted(): { id: string, desc: boolean }[] {
         return this.columns.reduce((sorted, shf) => {
             if (shf.desc) {
                 sorted.push({ "id": shf.heading, "desc": shf.desc });
             }
             return sorted;
-        }, [] as { "id": string, "desc"?: true }[]);
+        }, [] as { id: string, desc: boolean }[]);
     }
 
     @computed get borderWidth() { return Number(COLLECTION_BORDER_WIDTH); }
@@ -899,6 +899,7 @@ interface CollectionSchemaPreviewProps {
     height: () => number;
     showOverlays?: (doc: Doc) => { title?: string, caption?: string };
     CollectionView?: CollectionView | CollectionPDFView | CollectionVideoView;
+    onClick?: ScriptField;
     getTransform: () => Transform;
     addDocument: (document: Doc, allowDuplicates?: boolean) => boolean;
     moveDocument: (document: Doc, target: Doc, addDoc: ((doc: Doc) => boolean)) => boolean;
@@ -988,23 +989,24 @@ export class CollectionSchemaPreview extends React.Component<CollectionSchemaPre
                         DataDoc={this.props.DataDocument}
                         Document={this.props.Document}
                         fitToBox={this.props.fitToBox}
-                        renderDepth={this.props.renderDepth + 1}
-                        selectOnLoad={false}
+                        onClick={this.props.onClick}
                         showOverlays={this.props.showOverlays}
                         addDocument={this.props.addDocument}
                         removeDocument={this.props.removeDocument}
                         moveDocument={this.props.moveDocument}
+                        whenActiveChanged={this.props.whenActiveChanged}
+                        ContainingCollectionView={this.props.CollectionView}
+                        addDocTab={this.props.addDocTab}
+                        parentActive={this.props.active}
                         ScreenToLocalTransform={this.getTransform}
+                        renderDepth={this.props.renderDepth + 1}
+                        selectOnLoad={false}
                         ContentScaling={this.contentScaling}
                         PanelWidth={this.PanelWidth}
                         PanelHeight={this.PanelHeight}
-                        ContainingCollectionView={this.props.CollectionView}
                         focus={emptyFunction}
                         backgroundColor={returnEmptyString}
-                        parentActive={this.props.active}
-                        whenActiveChanged={this.props.whenActiveChanged}
                         bringToFront={emptyFunction}
-                        addDocTab={this.props.addDocTab}
                         zoomToScale={emptyFunction}
                         getScale={returnOne}
                     />
diff --git a/src/client/views/collections/CollectionStackingView.scss b/src/client/views/collections/CollectionStackingView.scss
index 271ad2d58..01d4ea2b6 100644
--- a/src/client/views/collections/CollectionStackingView.scss
+++ b/src/client/views/collections/CollectionStackingView.scss
@@ -1,10 +1,15 @@
 @import "../globalCssVariables";
 
-.collectionStackingView {
+.collectionMasonryView {
+    display:inline;
+}
+.collectionStackingView{
+    display: flex;
+}
+.collectionStackingView, .collectionMasonryView{
     height: 100%;
     width: 100%;
     position: absolute;
-    display: flex;
     top: 0;
     overflow-y: auto;
     flex-wrap: wrap;
@@ -31,14 +36,20 @@
     .collectionStackingView-masonrySingle,
     .collectionStackingView-masonryGrid {
         width: 100%;
-        height: 100%;
-        position: absolute;
         display: grid;
         top: 0;
         left: 0;
-        width: 100%;
+    }
+    .collectionStackingView-masonrySingle {
+        height: 100%;
         position: absolute;
     }
+    .collectionStackingView-masonryGrid {
+        margin: auto;
+        height: max-content;
+        position: relative;
+        grid-auto-rows: 0px;
+    }
 
     .collectionStackingView-masonrySingle {
         width: 100%;
@@ -80,12 +91,17 @@
         height: 100%;
         margin: auto;
     }
+    
+    .collectionStackingView-masonrySection {
+        margin: auto;
+    }
 
     .collectionStackingView-sectionHeader {
         text-align: center;
         margin-left: 2px;
         margin-right: 2px;
         margin-top: 10px;
+        background: gray;
         // overflow: hidden; overflow is visible so the color menu isn't hidden -ftong
 
         .editableView-input {
diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index ccdffa899..a17ac96e1 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -9,8 +9,8 @@ import { Id } from "../../../new_fields/FieldSymbols";
 import { List } from "../../../new_fields/List";
 import { listSpec } from "../../../new_fields/Schema";
 import { SchemaHeaderField } from "../../../new_fields/SchemaHeaderField";
-import { BoolCast, Cast, NumCast, StrCast } from "../../../new_fields/Types";
-import { emptyFunction } from "../../../Utils";
+import { BoolCast, Cast, NumCast, StrCast, ScriptCast } from "../../../new_fields/Types";
+import { emptyFunction, Utils, numberRange } from "../../../Utils";
 import { DocumentType } from "../../documents/Documents";
 import { DragManager } from "../../util/DragManager";
 import { Transform } from "../../util/Transform";
@@ -20,6 +20,9 @@ import { CollectionSchemaPreview } from "./CollectionSchemaView";
 import "./CollectionStackingView.scss";
 import { CollectionStackingViewFieldColumn } from "./CollectionStackingViewFieldColumn";
 import { CollectionSubView } from "./CollectionSubView";
+import { ContextMenu } from "../ContextMenu";
+import { ContextMenuProps } from "../ContextMenuItem";
+import { ScriptBox } from "../ScriptBox";
 
 @observer
 export class CollectionStackingView extends CollectionSubView(doc => doc) {
@@ -30,14 +33,21 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     _docXfs: any[] = [];
     _columnStart: number = 0;
     @observable private cursor: CursorProperty = "grab";
-    get sectionHeaders() { return Cast(this.props.Document.sectionHeaders, listSpec(SchemaHeaderField)); }
+    @computed get sectionHeaders() { return Cast(this.props.Document.sectionHeaders, listSpec(SchemaHeaderField)); }
+    @computed get sectionFilter() { return StrCast(this.props.Document.sectionFilter); }
+    @computed get filteredChildren() { return this.childDocs.filter(d => !d.isMinimized); }
     @computed get xMargin() { return NumCast(this.props.Document.xMargin, 2 * this.gridGap); }
     @computed get yMargin() { return NumCast(this.props.Document.yMargin, 2 * this.gridGap); }
     @computed get gridGap() { return NumCast(this.props.Document.gridGap, 10); }
-    @computed get singleColumn() { return BoolCast(this.props.Document.singleColumn, true); }
-    @computed get columnWidth() { return this.singleColumn ? (this.props.PanelWidth() / (this.props as any).ContentScaling() - 2 * this.xMargin) : Math.min(this.props.PanelWidth() - 2 * this.xMargin, NumCast(this.props.Document.columnWidth, 250)); }
-    @computed get filteredChildren() { return this.childDocs.filter(d => !d.isMinimized); }
-    @computed get sectionFilter() { return this.singleColumn ? StrCast(this.props.Document.sectionFilter) : ""; }
+    @computed get isStackingView() { return BoolCast(this.props.Document.singleColumn, true); }
+    @computed get numGroupColumns() { return this.isStackingView ? Math.max(1, this.Sections.size + (this.showAddAGroup ? 1 : 0)) : 1; }
+    @computed get showAddAGroup() { return (this.sectionFilter && (this.props.CollectionView.props.Document.chromeStatus !== 'view-mode' && this.props.CollectionView.props.Document.chromeStatus !== 'disabled')); }
+    @computed get columnWidth() {
+        return Math.min(this.props.PanelWidth() / (this.props as any).ContentScaling() - 2 * this.xMargin,
+            this.isStackingView ? Number.MAX_VALUE : NumCast(this.props.Document.columnWidth, 250));
+    }
+
+    childDocHeight(child: Doc) { return this.getDocHeight(Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, child).layout); }
 
     get layoutDoc() {
         // if this document's layout field contains a document (ie, a rendering template), then we will use that
@@ -45,7 +55,6 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         return this.props.Document.layout instanceof Doc ? this.props.Document.layout : this.props.Document;
     }
 
-
     get Sections() {
         if (!this.sectionFilter) return new Map<SchemaHeaderField, Doc[]>();
 
@@ -75,18 +84,22 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     componentDidMount() {
-        // is there any reason this needs to exist? -syip
-        this._heightDisposer = reaction(() => [this.yMargin, this.props.Document[WidthSym](), this.gridGap, this.columnWidth, this.childDocs.map(d => [d.height, d.width, d.zoomBasis, d.nativeHeight, d.nativeWidth, d.isMinimized])],
-            () => {
-                if (this.singleColumn && BoolCast(this.props.Document.autoHeight)) {
-                    let hgt = this.Sections.size * 50 + this.filteredChildren.reduce((height, d, i) => {
-                        let pair = Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, d);
-                        return height + this.getDocHeight(pair.layout) + (i === this.filteredChildren.length - 1 ? this.yMargin : this.gridGap);
-                    }, this.yMargin);
-                    (this.props.DataDoc && this.props.DataDoc.layout === this.layoutDoc ? this.props.DataDoc : this.layoutDoc)
-                        .height = hgt * (this.props as any).ContentScaling();
-                }
-            }, { fireImmediately: true });
+        // is there any reason this needs to exist? -syip.  yes, it handles autoHeight for stacking views (masonry isn't yet supported).
+        this._heightDisposer = reaction(() => {
+            if (this.isStackingView && BoolCast(this.props.Document.autoHeight)) {
+                let sectionsList = Array.from(this.Sections.size ? this.Sections.values() : [this.filteredChildren]);
+                return this.props.ContentScaling() * sectionsList.reduce((maxHght, s) => Math.max(maxHght,
+                    50 + s.reduce((height, d, i) => height + this.childDocHeight(d) + (i === s.length - 1 ? this.yMargin : this.gridGap), this.yMargin)
+                ), 0);
+            }
+            return -1;
+        },
+            (hgt: number) => {
+                let doc = hgt === -1 ? undefined : this.props.DataDoc && this.props.DataDoc.layout === this.layoutDoc ? this.props.DataDoc : this.layoutDoc;
+                doc && (doc.height = hgt);
+            },
+            { fireImmediately: true }
+        );
 
         // reset section headers when a new filter is inputted
         this._sectionFilterDisposer = reaction(
@@ -109,9 +122,12 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     overlays = (doc: Doc) => {
-        return doc.type === DocumentType.IMG || doc.type === DocumentType.VID ? { title: "title", caption: "caption" } : {};
+        return doc.type === DocumentType.IMG || doc.type === DocumentType.VID ? { title: StrCast(this.props.Document.showTitles), caption: StrCast(this.props.Document.showCaptions) } : {};
     }
 
+    @computed get onChildClickHandler() { return ScriptCast(this.Document.onChildClick); }
+    @computed get onClickHandler() { return this.props.onClick ? this.props.onClick : ScriptCast(this.Document.onChildClick); }
+
     getDisplayDoc(layoutDoc: Doc, dataDoc: Doc | undefined, dxf: () => Transform, width: () => number) {
         let height = () => this.getDocHeight(layoutDoc);
         let finalDxf = () => dxf().scale(this.columnWidth / layoutDoc[WidthSym]());
@@ -120,7 +136,8 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
             DataDocument={dataDoc}
             showOverlays={this.overlays}
             renderDepth={this.props.renderDepth}
-            fitToBox={true}
+            fitToBox={this.props.fitToBox}
+            onClick={layoutDoc.isTemplate ? this.onClickHandler : this.onChildClickHandler}
             width={width}
             height={height}
             getTransform={finalDxf}
@@ -135,12 +152,13 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
             previewScript={undefined}>
         </CollectionSchemaPreview>;
     }
-    getDocHeight(d: Doc, columnScale: number = 1) {
+    getDocHeight(d: Doc) {
         let nw = NumCast(d.nativeWidth);
         let nh = NumCast(d.nativeHeight);
-        if (!BoolCast(d.ignoreAspect) && nw && nh) {
+        if (!d.ignoreAspect && nw && nh) {
             let aspect = nw && nh ? nh / nw : 1;
-            let wid = Math.min(d[WidthSym](), this.columnWidth / columnScale);
+            let wid = this.columnWidth / (this.isStackingView ? this.numGroupColumns : 1);
+            if (!(d.nativeWidth && !d.ignoreAspect && this.props.Document.fillColumn)) wid = Math.min(d[WidthSym](), wid);
             return wid * aspect;
         }
         return d[HeightSym]();
@@ -226,14 +244,14 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         });
     }
     headings = () => Array.from(this.Sections.keys());
-    section = (heading: SchemaHeaderField | undefined, docList: Doc[]) => {
+    sectionStacking = (heading: SchemaHeaderField | undefined, docList: Doc[]) => {
         let key = this.sectionFilter;
         let type: "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function" | undefined = undefined;
         let types = docList.length ? docList.map(d => typeof d[key]) : this.childDocs.map(d => typeof d[key]);
         if (types.map((i, idx) => types.indexOf(i) === idx).length === 1) {
             type = types[0];
         }
-        let cols = () => this.singleColumn ? 1 : Math.max(1, Math.min(this.filteredChildren.length,
+        let cols = () => this.isStackingView ? 1 : Math.max(1, Math.min(this.filteredChildren.length,
             Math.floor((this.props.PanelWidth() - 2 * this.xMargin) / (this.columnWidth + this.gridGap))));
         return <CollectionStackingViewFieldColumn
             key={heading ? heading.heading : ""}
@@ -249,6 +267,55 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         />;
     }
 
+    getDocTransform(doc: Doc, dref: HTMLDivElement) {
+        let { scale, translateX, translateY } = Utils.GetScreenTransform(dref);
+        let outerXf = Utils.GetScreenTransform(this._masonryGridRef!);
+        let offset = this.props.ScreenToLocalTransform().transformDirection(outerXf.translateX - translateX, outerXf.translateY - translateY);
+        return this.props.ScreenToLocalTransform().
+            translate(offset[0], offset[1]).
+            scale(NumCast(doc.width, 1) / this.columnWidth);
+    }
+    masonryChildren(docs: Doc[]) {
+        this._docXfs.length = 0;
+        return docs.map((d, i) => {
+            let dref = React.createRef<HTMLDivElement>();
+            let layoutDoc = Doc.expandTemplateLayout(d, this.props.DataDoc);
+            let width = () => (d.nativeWidth && !d.ignoreAspect && !this.props.Document.fillColumn ? Math.min(d[WidthSym](), this.columnWidth) : this.columnWidth);/// (uniqueHeadings.length + 1);
+            let height = () => this.getDocHeight(layoutDoc);
+            let dxf = () => this.getDocTransform(layoutDoc, dref.current!);
+            let rowSpan = Math.ceil((height() + this.gridGap) / this.gridGap);
+            this._docXfs.push({ dxf: dxf, width: width, height: height });
+            return <div className="collectionStackingView-masonryDoc" key={d[Id]} ref={dref} style={{ gridRowEnd: `span ${rowSpan}` }} >
+                {this.getDisplayDoc(layoutDoc, d, dxf, width)}
+            </div>;
+        });
+    }
+
+    @observable _headingsHack: number = 1;
+    sectionMasonry(heading: SchemaHeaderField | undefined, docList: Doc[]) {
+        let cols = Math.max(1, Math.min(docList.length,
+            Math.floor((this.props.PanelWidth() - 2 * this.xMargin) / (this.columnWidth + this.gridGap))));
+        return <div key={heading ? heading.heading : "empty"} className="collectionStackingView-masonrySection">
+            {!heading ? (null) :
+                <div key={`${heading.heading}`} className="collectionStackingView-sectionHeader" style={{ background: heading.color }}
+                    onClick={action(() => this._headingsHack++ && heading.setCollapsed(!heading.collapsed))} >
+                    {heading.heading}
+                </div>}
+            {this._headingsHack && heading && heading.collapsed ? (null) :
+                <div key={`${heading}-stack`} className={`collectionStackingView-masonryGrid`}
+                    style={{
+                        padding: `${this.yMargin}px ${this.xMargin}px`,
+                        width: `${cols * (this.columnWidth + this.gridGap) + 2 * this.xMargin - this.gridGap}px`,
+                        gridGap: this.gridGap,
+                        gridTemplateColumns: numberRange(cols).reduce((list, i) => list + ` ${this.columnWidth}px`, ""),
+                    }}>
+                    {this.masonryChildren(docList)}
+                    {this.columnDragger}
+                </div>
+            }
+        </div>;
+    }
+
     @action
     addGroup = (value: string) => {
         if (value && this.sectionHeaders) {
@@ -269,8 +336,19 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         this.props.CollectionView.props.Document.chromeStatus = checked ? "collapsed" : "view-mode";
     }
 
+    onContextMenu = (e: React.MouseEvent): void => {
+        // need to test if propagation has stopped because GoldenLayout forces a parallel react hierarchy to be created for its top-level layout
+        if (!e.isPropagationStopped()) {
+            let subItems: ContextMenuProps[] = [];
+            subItems.push({ description: `${this.props.Document.fillColumn ? "Variable Size" : "Autosize"} Column`, event: () => this.props.Document.fillColumn = !this.props.Document.fillColumn, icon: "plus" });
+            subItems.push({ description: `${this.props.Document.showTitles ? "Hide Titles" : "Show Titles"}`, event: () => this.props.Document.showTitles = !this.props.Document.showTitles ? "title" : "", icon: "plus" });
+            subItems.push({ description: `${this.props.Document.showCaptions ? "Hide Captions" : "Show Captions"}`, event: () => this.props.Document.showCaptions = !this.props.Document.showCaptions ? "caption" : "", icon: "plus" });
+            subItems.push({ description: "Edit onChildClick script", icon: "edit", event: () => ScriptBox.EditClickScript(this.props.Document, "onChildClick") });
+            ContextMenu.Instance.addItem({ description: "Stacking Options ...", subitems: subItems, icon: "eye" });
+        }
+    }
+
     render() {
-        let headings = Array.from(this.Sections.keys());
         let editableViewProps = {
             GetValue: () => "",
             SetValue: this.addGroup,
@@ -278,18 +356,16 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         };
         Doc.UpdateDocumentExtensionForField(this.props.DataDoc ? this.props.DataDoc : this.props.Document, this.props.fieldKey);
 
-        // let uniqueHeadings = headings.map((i, idx) => headings.indexOf(i) === idx);
+        let sections = (this.sectionFilter ? Array.from(this.Sections.entries()).sort(this.sortFunc) : [[undefined, this.filteredChildren] as [SchemaHeaderField | undefined, Doc[]]]);
         return (
-            <div className="collectionStackingView"
-                ref={this.createRef} onDrop={this.onDrop.bind(this)} onWheel={(e: React.WheelEvent) => e.stopPropagation()} >
-                {this.sectionFilter ? Array.from(this.Sections.entries()).sort(this.sortFunc).
-                    map((section: [SchemaHeaderField, Doc[]]) => this.section(section[0], section[1])) :
-                    this.section(undefined, this.filteredChildren)}
-                {(this.sectionFilter && (this.props.CollectionView.props.Document.chromeStatus !== 'view-mode' && this.props.CollectionView.props.Document.chromeStatus !== 'disabled')) ?
+            <div className={this.isStackingView ? "collectionStackingView" : "collectionMasonryView"}
+                ref={this.createRef} onDrop={this.onDrop.bind(this)} onContextMenu={this.onContextMenu} onWheel={(e: React.WheelEvent) => e.stopPropagation()} >
+                {sections.map(section => this.isStackingView ? this.sectionStacking(section[0], section[1]) : this.sectionMasonry(section[0], section[1]))}
+                {!this.showAddAGroup ? (null) :
                     <div key={`${this.props.Document[Id]}-addGroup`} className="collectionStackingView-addGroupButton"
-                        style={{ width: (this.columnWidth / (headings.length + ((this.props.CollectionView.props.Document.chromeStatus !== 'view-mode' && this.props.CollectionView.props.Document.chromeStatus !== 'disabled') ? 1 : 0))) - 10, marginTop: 10 }}>
+                        style={{ width: this.columnWidth / this.numGroupColumns - 10, marginTop: 10 }}>
                         <EditableView {...editableViewProps} />
-                    </div> : null}
+                    </div>}
                 {this.props.CollectionView.props.Document.chromeStatus !== 'disabled' ? <Switch
                     onChange={this.onToggle}
                     onClick={this.onToggle}
diff --git a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
index df03da376..74c7ef305 100644
--- a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
+++ b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
@@ -1,28 +1,25 @@
 import React = require("react");
+import { library } from '@fortawesome/fontawesome-svg-core';
+import { faPalette } from '@fortawesome/free-solid-svg-icons';
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { action, observable } from "mobx";
 import { observer } from "mobx-react";
-import { number } from "prop-types";
 import { Doc, WidthSym } from "../../../new_fields/Doc";
-import { CollectionStackingView } from "./CollectionStackingView";
 import { Id } from "../../../new_fields/FieldSymbols";
+import { PastelSchemaPalette, SchemaHeaderField } from "../../../new_fields/SchemaHeaderField";
+import { ScriptField } from "../../../new_fields/ScriptField";
+import { NumCast, StrCast } from "../../../new_fields/Types";
 import { Utils } from "../../../Utils";
-import { NumCast, StrCast, BoolCast } from "../../../new_fields/Types";
-import { EditableView } from "../EditableView";
-import { action, observable, computed } from "mobx";
-import { undoBatch } from "../../util/UndoManager";
-import { DragManager } from "../../util/DragManager";
-import { DocumentManager } from "../../util/DocumentManager";
-import { SelectionManager } from "../../util/SelectionManager";
-import "./CollectionStackingView.scss";
 import { Docs } from "../../documents/Documents";
-import { SchemaHeaderField, PastelSchemaPalette } from "../../../new_fields/SchemaHeaderField";
-import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { ScriptField } from "../../../new_fields/ScriptField";
+import { DragManager } from "../../util/DragManager";
 import { CompileScript } from "../../util/Scripting";
-import { RichTextField } from "../../../new_fields/RichTextField";
+import { SelectionManager } from "../../util/SelectionManager";
 import { Transform } from "../../util/Transform";
-import { Flyout, anchorPoints } from "../DocumentDecorations";
-import { library } from '@fortawesome/fontawesome-svg-core';
-import { faPalette } from '@fortawesome/free-solid-svg-icons';
+import { undoBatch } from "../../util/UndoManager";
+import { anchorPoints, Flyout } from "../DocumentDecorations";
+import { EditableView } from "../EditableView";
+import { CollectionStackingView } from "./CollectionStackingView";
+import "./CollectionStackingView.scss";
 
 library.add(faPalette);
 
@@ -81,38 +78,17 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
         let parent = this.props.parent;
         parent._docXfs.length = 0;
         return docs.map((d, i) => {
-            let headings = this.props.headings();
-            let uniqueHeadings = headings.map((i, idx) => headings.indexOf(i) === idx);
             let pair = Doc.GetLayoutDataDocPair(parent.props.Document, parent.props.DataDoc, parent.props.fieldKey, d);
-            let width = () => (d.nativeWidth && !BoolCast(d.ignoreAspect) ? Math.min(pair.layout[WidthSym](), parent.columnWidth / (uniqueHeadings.length + 1)) : parent.columnWidth / (uniqueHeadings.length + 1));/// (uniqueHeadings.length + 1);
-            let height = () => parent.getDocHeight(pair.layout, uniqueHeadings.length + 1);// / (d.nativeWidth && !BoolCast(d.ignoreAspect) ? uniqueHeadings.length + 1 : 1);
+            let width = () => Math.min(d.nativeWidth && !d.ignoreAspect && !parent.props.Document.fillColumn ? d[WidthSym]() : Number.MAX_VALUE, parent.columnWidth / parent.numGroupColumns);
+            let height = () => parent.getDocHeight(pair.layout);
             let dref = React.createRef<HTMLDivElement>();
-            // if (uniqueHeadings.length > 0) {
             let dxf = () => this.getDocTransform(pair.layout, dref.current!);
             this.props.parent._docXfs.push({ dxf: dxf, width: width, height: height });
-            // }
-            // else {
-            //     //have to add the height of all previous single column sections or the doc decorations will be in the wrong place.
-            //     let dxf = () => this.getDocTransform(layoutDoc, i, width());
-            //     this.props.parent._docXfs.push({ dxf: dxf, width: width, height: height });
-            // }
-            let rowHgtPcnt = height();
             let rowSpan = Math.ceil((height() + parent.gridGap) / parent.gridGap);
-            let style = parent.singleColumn ? { width: width(), margin: "auto", marginTop: i === 0 ? 0 : parent.gridGap, height: `${rowHgtPcnt}` } : { gridRowEnd: `span ${rowSpan}` };
-            return <div className={`collectionStackingView-${parent.singleColumn ? "columnDoc" : "masonryDoc"}`} key={d[Id]} ref={dref} style={style} >
+            let style = parent.isStackingView ? { width: width(), margin: "auto", marginTop: i === 0 ? 0 : parent.gridGap, height: height() } : { gridRowEnd: `span ${rowSpan}` };
+            return <div className={`collectionStackingView-${parent.isStackingView ? "columnDoc" : "masonryDoc"}`} key={d[Id]} ref={dref} style={style} >
                 {this.props.parent.getDisplayDoc(pair.layout, pair.data, dxf, width)}
             </div>;
-            // } else {
-            // let dref = React.createRef<HTMLDivElement>();
-            // let dxf = () => this.getDocTransform(layoutDoc, dref.current!);
-            // this.props.parent._docXfs.push({ dxf: dxf, width: width, height: height });
-            // let rowHgtPcnt = height();
-            // let rowSpan = Math.ceil((height() + parent.gridGap) / parent.gridGap);
-            // let divStyle = parent.singleColumn ? { width: width(), marginTop: i === 0 ? 0 : parent.gridGap, height: `${rowHgtPcnt}` } : { gridRowEnd: `span ${rowSpan}` };
-            // return <div className="collectionStackingView-masonryDoc" key={d[Id]} ref={dref} style={divStyle} >
-            //     {this.props.parent.getDisplayDoc(layoutDoc, d, dxf, width)}
-            // </div>;
-            // }
         });
     }
 
@@ -278,7 +254,7 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
         let headings = this.props.headings();
         let heading = this._heading;
         let style = this.props.parent;
-        let singleColumn = style.singleColumn;
+        let singleColumn = style.isStackingView;
         let uniqueHeadings = headings.map((i, idx) => headings.indexOf(i) === idx);
         let evContents = heading ? heading : this.props.type && this.props.type === "number" ? "0" : `NO ${key.toUpperCase()} VALUE`;
         let headerEditableViewProps = {
@@ -326,9 +302,9 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
                         </button>}
                 </div>
             </div> : (null);
-        for (let i = 0; i < cols; i++) templatecols += `${style.columnWidth}px `;
+        for (let i = 0; i < cols; i++) templatecols += `${style.columnWidth / style.numGroupColumns}px `;
         return (
-            <div key={heading} style={{ width: `${100 / ((uniqueHeadings.length + ((this.props.parent.props.CollectionView.props.Document.chromeStatus !== 'view-mode' && this.props.parent.props.CollectionView.props.Document.chromeStatus !== 'disabled') ? 1 : 0)) || 1)}%`, background: this._background }}
+            <div className="collectionStackingViewFieldColumn" key={heading} style={{ width: `${100 / ((uniqueHeadings.length + ((this.props.parent.props.CollectionView.props.Document.chromeStatus !== 'view-mode' && this.props.parent.props.CollectionView.props.Document.chromeStatus !== 'disabled') ? 1 : 0)) || 1)}%`, background: this._background }}
                 ref={this.createColumnDropRef} onPointerEnter={this.pointerEntered} onPointerLeave={this.pointerLeave}>
                 {headingView}
                 <div key={`${heading}-stack`} className={`collectionStackingView-masonry${singleColumn ? "Single" : "Grid"}`}
@@ -348,7 +324,7 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
                 </div>
                 {(this.props.parent.props.CollectionView.props.Document.chromeStatus !== 'view-mode' && this.props.parent.props.CollectionView.props.Document.chromeStatus !== 'disabled') ?
                     <div key={`${heading}-add-document`} className="collectionStackingView-addDocumentButton"
-                        style={{ width: style.columnWidth / (uniqueHeadings.length + 1) }}>
+                        style={{ width: style.columnWidth / style.numGroupColumns }}>
                         <EditableView {...newEditableViewProps} />
                     </div> : null}
             </div>
diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 7a402798e..7e1adaa19 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -30,6 +30,10 @@ export class CollectionView extends React.Component<FieldViewProps> {
 
     public static LayoutString(fieldStr: string = "data", fieldExt: string = "") { return FieldView.LayoutString(CollectionView, fieldStr, fieldExt); }
 
+    constructor(props: any) {
+        super(props);
+    }
+
     componentDidMount = () => {
         this._reactionDisposer = reaction(() => StrCast(this.props.Document.chromeStatus),
             () => {
@@ -65,7 +69,7 @@ export class CollectionView extends React.Component<FieldViewProps> {
     @action
     private collapse = (value: boolean) => {
         this._collapsed = value;
-        this.props.Document.chromeStatus = value ? "collapsed" : "visible";
+        this.props.Document.chromeStatus = value ? "collapsed" : "enabled";
     }
 
     private SubView = (type: CollectionViewType, renderProps: CollectionRenderProps) => {
@@ -86,12 +90,7 @@ export class CollectionView extends React.Component<FieldViewProps> {
     onContextMenu = (e: React.MouseEvent): void => {
         if (!this.isAnnotationOverlay && !e.isPropagationStopped() && this.props.Document[Id] !== CurrentUserUtils.MainDocId) { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
             let subItems: ContextMenuProps[] = [];
-            subItems.push({
-                description: "Freeform", event: () => {
-                    this.props.Document.viewType = CollectionViewType.Freeform;
-                    delete this.props.Document.usePivotLayout;
-                }, icon: "signature"
-            });
+            subItems.push({ description: "Freeform", event: () => { this.props.Document.viewType = CollectionViewType.Freeform; delete this.props.Document.usePivotLayout; }, icon: "signature" });
             if (CollectionBaseView.InSafeMode()) {
                 ContextMenu.Instance.addItem({ description: "Test Freeform", event: () => this.props.Document.viewType = CollectionViewType.Invalid, icon: "project-diagram" });
             }
@@ -107,10 +106,11 @@ export class CollectionView extends React.Component<FieldViewProps> {
                 }
             }
             ContextMenu.Instance.addItem({ description: "View Modes...", subitems: subItems, icon: "eye" });
-            ContextMenu.Instance.addItem({ description: "Apply Template", event: () => this.props.addDocTab && this.props.addDocTab(Doc.ApplyTemplate(this.props.Document)!, undefined, "onRight"), icon: "project-diagram" });
-            ContextMenu.Instance.addItem({
-                description: this.props.Document.chromeStatus !== "disabled" ? "Hide Chrome" : "Show Chrome", event: () => this.props.Document.chromeStatus = (this.props.Document.chromeStatus !== "disabled" ? "disabled" : "enabled"), icon: "project-diagram"
-            });
+            let existing = ContextMenu.Instance.findByDescription("Layout...");
+            let layoutItems: ContextMenuProps[] = existing && "subitems" in existing ? existing.subitems : [];
+            layoutItems.push({ description: "Create Layout Instance", event: () => this.props.addDocTab && this.props.addDocTab(Doc.ApplyTemplate(this.props.Document)!, undefined, "onRight"), icon: "project-diagram" });
+            layoutItems.push({ description: `${this.props.Document.forceActive ? "Select" : "Force"} Contents Active`, event: () => this.props.Document.forceActive = !this.props.Document.forceActive, icon: "project-diagram" });
+            !existing && ContextMenu.Instance.addItem({ description: "Layout...", subitems: layoutItems, icon: "hand-point-right" });
         }
     }
 
diff --git a/src/client/views/collections/CollectionViewChromes.tsx b/src/client/views/collections/CollectionViewChromes.tsx
index 1de2f060e..000e7b276 100644
--- a/src/client/views/collections/CollectionViewChromes.tsx
+++ b/src/client/views/collections/CollectionViewChromes.tsx
@@ -37,7 +37,6 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
     @observable private _dateWithinValue: string = "";
     @observable private _dateValue: Date | string = "";
     @observable private _keyRestrictions: [JSX.Element, string][] = [];
-    @observable private _collapsed: boolean = false;
     @computed private get filterValue() { return Cast(this.props.CollectionView.props.Document.viewSpecScript, ScriptField); }
 
     private _picker: any;
@@ -61,7 +60,6 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
                     throw new Error("how did you get here, if chrome status is 'disabled' on a collection, a chrome shouldn't even be instantiated!");
                 }
                 else if (chromeStatus === "collapsed") {
-                    this._collapsed = true;
                     if (this.props.collapse) {
                         this.props.collapse(true);
                     }
@@ -163,9 +161,9 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
 
     @action
     toggleCollapse = () => {
-        this._collapsed = !this._collapsed;
+        this.props.CollectionView.props.Document.chromeStatus = this.props.CollectionView.props.Document.chromeStatus === "enabled" ? "collapsed" : "enabled";
         if (this.props.collapse) {
-            this.props.collapse(this._collapsed);
+            this.props.collapse(this.props.CollectionView.props.Document.chromeStatus !== "enabled");
         }
     }
 
@@ -224,16 +222,17 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
     }
 
     render() {
+        let collapsed = this.props.CollectionView.props.Document.chromeStatus !== "enabled";
         return (
-            <div className="collectionViewChrome-cont" style={{ top: this._collapsed ? -70 : 0 }}>
+            <div className="collectionViewChrome-cont" style={{ top: collapsed ? -70 : 0 }}>
                 <div className="collectionViewChrome">
                     <div className="collectionViewBaseChrome">
                         <button className="collectionViewBaseChrome-collapse"
                             style={{
-                                top: this._collapsed ? 70 : 10,
-                                transform: `rotate(${this._collapsed ? 180 : 0}deg) scale(${this._collapsed ? 0.5 : 1}) translate(${this._collapsed ? "-100%, -100%" : "0, 0"})`,
-                                opacity: (this._collapsed && !this.props.CollectionView.props.isSelected()) ? 0 : 0.9,
-                                left: (this._collapsed ? 0 : "unset"),
+                                top: collapsed ? 70 : 10,
+                                transform: `rotate(${collapsed ? 180 : 0}deg) scale(${collapsed ? 0.5 : 1}) translate(${collapsed ? "-100%, -100%" : "0, 0"})`,
+                                opacity: (collapsed && !this.props.CollectionView.props.isSelected()) ? 0 : 0.9,
+                                left: (collapsed ? 0 : "unset"),
                             }}
                             title="Collapse collection chrome" onClick={this.toggleCollapse}>
                             <FontAwesomeIcon icon="caret-up" size="2x" />
@@ -249,7 +248,7 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
                             <option className="collectionViewBaseChrome-viewOption" onPointerDown={stopPropagation} value="5">Stacking View</option>
                             <option className="collectionViewBaseChrome-viewOption" onPointerDown={stopPropagation} value="6">Masonry View</option>
                         </select>
-                        <div className="collectionViewBaseChrome-viewSpecs" style={{ display: this._collapsed ? "none" : "grid" }}>
+                        <div className="collectionViewBaseChrome-viewSpecs" style={{ display: collapsed ? "none" : "grid" }}>
                             <input className="collectionViewBaseChrome-viewSpecsInput"
                                 placeholder="FILTER DOCUMENTS"
                                 value={this.filterValue ? this.filterValue.script.originalScript : ""}
diff --git a/src/client/views/collections/ParentDocumentSelector.tsx b/src/client/views/collections/ParentDocumentSelector.tsx
index c3e55d825..17111af58 100644
--- a/src/client/views/collections/ParentDocumentSelector.tsx
+++ b/src/client/views/collections/ParentDocumentSelector.tsx
@@ -50,10 +50,10 @@ export class SelectorContextMenu extends React.Component<SelectorProps> {
     render() {
         return (
             <>
-                <p>Contexts:</p>
-                {this._docs.map(doc => <p><a onClick={this.getOnClick(doc)}>{doc.col.title}</a></p>)}
-                {this._otherDocs.length ? <hr></hr> : null}
-                {this._otherDocs.map(doc => <p><a onClick={this.getOnClick(doc)}>{doc.col.title}</a></p>)}
+                <p key="contexts">Contexts:</p>
+                {this._docs.map(doc => <p key={doc.col[Id] + doc.target[Id]}><a onClick={this.getOnClick(doc)}>{doc.col.title}</a></p>)}
+                {this._otherDocs.length ? <hr key="hr" /> : null}
+                {this._otherDocs.map(doc => <p key="p"><a onClick={this.getOnClick(doc)}>{doc.col.title}</a></p>)}
             </>
         );
     }
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index ba8dcff98..0501bf929 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -37,8 +37,6 @@ import "./CollectionFreeFormView.scss";
 import { MarqueeView } from "./MarqueeView";
 import React = require("react");
 import { DocumentType, Docs } from "../../../documents/Documents";
-import { RouteStore } from "../../../../server/RouteStore";
-import { string, number, elementType } from "prop-types";
 
 library.add(faEye as any, faTable, faPaintBrush, faExpandArrowsAlt, faCompressArrowsAlt, faCompass, faUpload, faBraille, faChalkboard);
 
@@ -195,6 +193,10 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     private get _pheight() { return this.props.PanelHeight(); }
     private inkKey = "ink";
 
+    constructor(props: any) {
+        super(props);
+    }
+
     get parentScaling() {
         return (this.props as any).ContentScaling && this.fitToBox && !this.isAnnotationOverlay ? (this.props as any).ContentScaling() : 1;
     }
@@ -631,6 +633,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             addDocument: this.props.addDocument,
             removeDocument: this.props.removeDocument,
             moveDocument: this.props.moveDocument,
+            onClick: this.props.onClick,
             ScreenToLocalTransform: pair.layout.z ? this.getTransformOverlay : this.getTransform,
             renderDepth: this.props.renderDepth + 1,
             selectOnLoad: pair.layout[Id] === this._selectOnLoaded,
@@ -655,6 +658,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             addDocument: this.props.addDocument,
             removeDocument: this.props.removeDocument,
             moveDocument: this.props.moveDocument,
+            onClick: this.props.onClick,
             ScreenToLocalTransform: this.getTransform,
             renderDepth: this.props.renderDepth,
             selectOnLoad: layoutDoc[Id] === this._selectOnLoaded,
@@ -812,17 +816,8 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
     onContextMenu = (e: React.MouseEvent) => {
         let layoutItems: ContextMenuProps[] = [];
-        layoutItems.push({
-            description: `${this.fitToBox ? "Unset" : "Set"} Fit To Container`,
-            event: this.fitToContainer,
-            icon: !this.fitToBox ? "expand-arrows-alt" : "compress-arrows-alt"
-        });
-        layoutItems.push({
-            description: "reset view", event: () => {
-                this.props.Document.panX = this.props.Document.panY = 0;
-                this.props.Document.scale = 1;
-            }, icon: "compress-arrows-alt"
-        });
+        layoutItems.push({ description: `${this.fitToBox ? "Unset" : "Set"} Fit To Container`, event: this.fitToContainer, icon: !this.fitToBox ? "expand-arrows-alt" : "compress-arrows-alt" });
+        layoutItems.push({ description: "reset view", event: () => { this.props.Document.panX = this.props.Document.panY = 0; this.props.Document.scale = 1; }, icon: "compress-arrows-alt" });
         layoutItems.push({
             description: `${this.props.Document.useClusters ? "Uncluster" : "Use Clusters"}`,
             event: async () => {
@@ -837,50 +832,13 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             event: async () => this.props.Document.clusterOverridesDefaultBackground = !this.props.Document.clusterOverridesDefaultBackground,
             icon: !this.props.Document.useClusters ? "chalkboard" : "chalkboard"
         });
-        layoutItems.push({
-            description: "Arrange contents in grid",
-            event: this.arrangeContents,
-            icon: "table"
-        });
-        ContextMenu.Instance.addItem({
-            description: "Layout...",
-            subitems: layoutItems,
-            icon: "compass"
-        });
-        ContextMenu.Instance.addItem({
-            description: "Analyze Strokes",
-            event: this.analyzeStrokes,
-            icon: "paint-brush"
-        });
-        ContextMenu.Instance.addItem({
-            description: "Import document", icon: "upload", event: () => {
-                const input = document.createElement("input");
-                input.type = "file";
-                input.accept = ".zip";
-                input.onchange = async _e => {
-                    const files = input.files;
-                    if (!files) return;
-                    const file = files[0];
-                    let formData = new FormData();
-                    formData.append('file', file);
-                    formData.append('remap', "true");
-                    const upload = Utils.prepend("/uploadDoc");
-                    const response = await fetch(upload, { method: "POST", body: formData });
-                    const json = await response.json();
-                    if (json === "error") {
-                        return;
-                    }
-                    const doc = await DocServer.GetRefField(json);
-                    if (!doc || !(doc instanceof Doc)) {
-                        return;
-                    }
-                    const [x, y] = this.props.ScreenToLocalTransform().transformPoint(e.pageX, e.pageY);
-                    doc.x = x, doc.y = y;
-                    this.addDocument(doc, false);
-                };
-                input.click();
-            }
-        });
+        layoutItems.push({ description: "Arrange contents in grid", event: this.arrangeContents, icon: "table" });
+        ContextMenu.Instance.addItem({ description: "Layout...", subitems: layoutItems, icon: "compass" });
+
+        let existingAnalyze = ContextMenu.Instance.findByDescription("Analyzers...");
+        let analyzers: ContextMenuProps[] = existingAnalyze && "subitems" in existingAnalyze ? existingAnalyze.subitems : [];
+        analyzers.push({ description: "Analyze Strokes", event: this.analyzeStrokes, icon: "paint-brush" });
+        !existingAnalyze && ContextMenu.Instance.addItem({ description: "Analyzers...", subitems: analyzers, icon: "hand-point-right" });
     }