merged w master

24 files changed, 635 insertions, 363 deletions

diff --git a/src/client/views/collections/CollectionDockingView.scss b/src/client/views/collections/CollectionDockingView.scss
index bcdc9c97e..f518ef8fb 100644
--- a/src/client/views/collections/CollectionDockingView.scss
+++ b/src/client/views/collections/CollectionDockingView.scss
@@ -25,7 +25,7 @@
     position: absolute;
     top: 0;
     left: 0;
-    overflow: hidden;
+    // overflow: hidden;  // bcz: menus don't show up when this is on (e.g., the parentSelectorMenu)
 
     .collectionDockingView-dragAsDocument {
         touch-action: none;
diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index 77e6e1c93..6c50ea0f2 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -20,7 +20,7 @@ import { emptyFunction, returnEmptyString, returnFalse, returnOne, returnTrue, U
 import { DocServer } from "../../DocServer";
 import { Docs } from '../../documents/Documents';
 import { DocumentManager } from '../../util/DocumentManager';
-import { DragLinksAsDocuments, DragManager } from "../../util/DragManager";
+import { DragManager } from "../../util/DragManager";
 import { SelectionManager } from '../../util/SelectionManager';
 import { Transform } from '../../util/Transform';
 import { undoBatch } from "../../util/UndoManager";
@@ -32,6 +32,9 @@ import React = require("react");
 import { ButtonSelector } from './ParentDocumentSelector';
 import { DocumentType } from '../../documents/DocumentTypes';
 import { ComputedField } from '../../../new_fields/ScriptField';
+import { InteractionUtils } from '../../util/InteractionUtils';
+import { TraceMobx } from '../../../new_fields/util';
+import { Scripting } from '../../util/Scripting';
 library.add(faFile);
 const _global = (window /* browser */ || global /* node */) as any;
 
@@ -39,7 +42,7 @@ const _global = (window /* browser */ || global /* node */) as any;
 export class CollectionDockingView extends React.Component<SubCollectionViewProps> {
     @observable public static Instances: CollectionDockingView[] = [];
     @computed public static get Instance() { return CollectionDockingView.Instances[0]; }
-    public static makeDocumentConfig(document: Doc, dataDoc: Doc | undefined, width?: number) {
+    public static makeDocumentConfig(document: Doc, dataDoc: Doc | undefined, width?: number, libraryPath?: Doc[]) {
         return {
             type: 'react-component',
             component: 'DocumentFrameRenderer',
@@ -47,7 +50,8 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
             width: width,
             props: {
                 documentId: document[Id],
-                dataDocumentId: dataDoc && dataDoc[Id] !== document[Id] ? dataDoc[Id] : ""
+                dataDocumentId: dataDoc && dataDoc[Id] !== document[Id] ? dataDoc[Id] : "",
+                libraryPath: libraryPath ? libraryPath.map(d => d[Id]) : []
                 //collectionDockingView: CollectionDockingView.Instance
             }
         };
@@ -95,12 +99,12 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
 
     @undoBatch
     @action
-    public OpenFullScreen(docView: DocumentView) {
+    public OpenFullScreen(docView: DocumentView, libraryPath?: Doc[]) {
         const document = Doc.MakeAlias(docView.props.Document);
         const dataDoc = docView.props.DataDoc;
         const newItemStackConfig = {
             type: 'stack',
-            content: [CollectionDockingView.makeDocumentConfig(document, dataDoc)]
+            content: [CollectionDockingView.makeDocumentConfig(document, dataDoc, undefined, libraryPath)]
         };
         const docconfig = this._goldenLayout.root.layoutManager.createContentItem(newItemStackConfig, this._goldenLayout);
         this._goldenLayout.root.contentItems[0].addChild(docconfig);
@@ -174,12 +178,12 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
     //
     @undoBatch
     @action
-    public static AddRightSplit(document: Doc, dataDoc: Doc | undefined, minimize: boolean = false) {
+    public static AddRightSplit(document: Doc, dataDoc: Doc | undefined, libraryPath?: Doc[]) {
         if (!CollectionDockingView.Instance) return false;
         const instance = CollectionDockingView.Instance;
         const newItemStackConfig = {
             type: 'stack',
-            content: [CollectionDockingView.makeDocumentConfig(document, dataDoc)]
+            content: [CollectionDockingView.makeDocumentConfig(document, dataDoc, undefined, libraryPath)]
         };
 
         const newContentItem = instance._goldenLayout.root.layoutManager.createContentItem(newItemStackConfig, instance._goldenLayout);
@@ -199,11 +203,6 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
             collayout.config.width = 50;
             newContentItem.config.width = 50;
         }
-        if (minimize) {
-            // bcz: this makes the drag image show up better, but it also messes with fixed layout sizes
-            // newContentItem.config.width = 10;
-            // newContentItem.config.height = 10;
-        }
         newContentItem.callDownwards('_$init');
         instance.layoutChanged();
         return true;
@@ -211,9 +210,9 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
 
     @undoBatch
     @action
-    public AddTab = (stack: any, document: Doc, dataDocument: Doc | undefined) => {
+    public AddTab = (stack: any, document: Doc, dataDocument: Doc | undefined, libraryPath?: Doc[]) => {
         Doc.GetProto(document).lastOpened = new DateField;
-        const docContentConfig = CollectionDockingView.makeDocumentConfig(document, dataDocument);
+        const docContentConfig = CollectionDockingView.makeDocumentConfig(document, dataDocument, undefined, libraryPath);
         if (stack === undefined) {
             let stack: any = this._goldenLayout.root;
             while (!stack.isStack) {
@@ -344,7 +343,7 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
             const docid = (e.target as any).DashDocId;
             const tab = (e.target as any).parentElement as HTMLElement;
             DocServer.GetRefField(docid).then(action(async (sourceDoc: Opt<Field>) =>
-                (sourceDoc instanceof Doc) && DragLinksAsDocuments(tab, x, y, sourceDoc)));
+                (sourceDoc instanceof Doc) && DragManager.StartLinkTargetsDrag(tab, x, y, sourceDoc)));
         }
         if (className === "lm_drag_handle" || className === "lm_close" || className === "lm_maximise" || className === "lm_minimise" || className === "lm_close_tab") {
             this._flush = true;
@@ -417,20 +416,14 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
                 };
                 ReactDOM.render(<span title="Drag as document"
                     className="collectionDockingView-dragAsDocument"
-                    onPointerDown={
-                        e => {
-                            e.preventDefault();
-                            e.stopPropagation();
-                            DragManager.StartDocumentDrag([dragSpan], new DragManager.DocumentDragData([doc]), e.clientX, e.clientY, {
-                                handlers: { dragComplete: emptyFunction },
-                                hideSource: false
-                            });
-                        }}><FontAwesomeIcon icon="file" size="lg" /></span>, dragSpan);
+                    onPointerDown={e => {
+                        e.preventDefault();
+                        e.stopPropagation();
+                        DragManager.StartDocumentDrag([dragSpan], new DragManager.DocumentDragData([doc]), e.clientX, e.clientY);
+                    }}>
+                    <FontAwesomeIcon icon="file" size="lg" />
+                </span>, dragSpan);
                 ReactDOM.render(<ButtonSelector Document={doc} Stack={stack} />, gearSpan);
-                // ReactDOM.render(<ParentDocSelector Document={doc} addDocTab={(doc, data, where) => {
-                //     where === "onRight" ? CollectionDockingView.AddRightSplit(doc, dataDoc) : CollectionDockingView.Instance.AddTab(stack, doc, dataDoc);
-                //     return true;
-                // }} />, upDiv);
                 tab.reactComponents = [dragSpan, gearSpan, upDiv];
                 tab.element.append(dragSpan);
                 tab.element.append(gearSpan);
@@ -482,6 +475,28 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
                 this.AddTab(stack, Docs.Create.FreeformDocument([], { width: this.props.PanelWidth(), height: this.props.PanelHeight(), title: "Untitled Collection" }), undefined);
             }
         });
+
+        // starter code for bezel to add new pane
+        // stack.element.on("touchstart", (e: TouchEvent) => {
+        // if (e.targetTouches.length === 2) {
+        //     let pt1 = e.targetTouches.item(0);
+        //     let pt2 = e.targetTouches.item(1);
+        //     let threshold = 40 * window.devicePixelRatio;
+        //     if (pt1 && pt2 && InteractionUtils.TwoPointEuclidist(pt1, pt2) < threshold) {
+        //         let edgeThreshold = 30 * window.devicePixelRatio;
+        //         let center = InteractionUtils.CenterPoint([pt1, pt2]);
+        //         let stackRect: DOMRect = stack.element.getBoundingClientRect();
+        //         let nearLeft = center.X - stackRect.x < edgeThreshold;
+        //         let nearTop = center.Y - stackRect.y < edgeThreshold;
+        //         let nearRight = stackRect.right - center.X < edgeThreshold;
+        //         let nearBottom = stackRect.bottom - center.Y < edgeThreshold;
+        //         let ns = [nearLeft, nearTop, nearRight, nearBottom].filter(n => n);
+        //         if (ns.length === 1) {
+
+        //         }
+        //     }
+        // }
+        // });
         stack.header.controlsContainer.find('.lm_close') //get the close icon
             .off('click') //unbind the current click handler
             .click(action(async function () {
@@ -532,11 +547,13 @@ interface DockedFrameProps {
     documentId: FieldId;
     dataDocumentId: FieldId;
     glContainer: any;
+    libraryPath: (FieldId[]);
     //collectionDockingView: CollectionDockingView
 }
 @observer
 export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
     _mainCont: HTMLDivElement | null = null;
+    @observable private _libraryPath: Doc[] = [];
     @observable private _panelWidth = 0;
     @observable private _panelHeight = 0;
     @observable private _document: Opt<Doc>;
@@ -554,6 +571,14 @@ export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
                 DocServer.GetRefField(this.props.dataDocumentId).then(action((f: Opt<Field>) => this._dataDoc = f as Doc));
             }
         }));
+        this.props.libraryPath && this.setupLibraryPath();
+    }
+
+    async setupLibraryPath() {
+        Promise.all(this.props.libraryPath.map(async docid => {
+            const d = await DocServer.GetRefField(docid);
+            return d instanceof Doc ? d : undefined;
+        })).then(action((list: (Doc | undefined)[]) => this._libraryPath = list.filter(d => d).map(d => d as Doc)));
     }
 
     /**
@@ -640,25 +665,26 @@ export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
     get previewPanelCenteringOffset() { return this.nativeWidth() && !this.layoutDoc!.ignoreAspect ? (this._panelWidth - this.nativeWidth() * this.contentScaling()) / 2 : 0; }
     get widthpercent() { return this.nativeWidth() && !this.layoutDoc!.ignoreAspect ? `${(this.nativeWidth() * this.contentScaling()) / this.panelWidth() * 100}%` : undefined; }
 
-    addDocTab = (doc: Doc, dataDoc: Opt<Doc>, location: string) => {
+    addDocTab = (doc: Doc, dataDoc: Opt<Doc>, location: string, libraryPath?: Doc[]) => {
         SelectionManager.DeselectAll();
         if (doc.dockingConfig) {
-            MainView.Instance.openWorkspace(doc);
-            return true;
+            return MainView.Instance.openWorkspace(doc);
         } else if (location === "onRight") {
-            return CollectionDockingView.AddRightSplit(doc, dataDoc);
+            return CollectionDockingView.AddRightSplit(doc, dataDoc, libraryPath);
         } else if (location === "close") {
             return CollectionDockingView.CloseRightSplit(doc);
         } else {
-            return CollectionDockingView.Instance.AddTab(this._stack, doc, dataDoc);
+            return CollectionDockingView.Instance.AddTab(this._stack, doc, dataDoc, libraryPath);
         }
     }
 
     @computed get docView() {
+        TraceMobx();
         if (!this._document) return (null);
         const document = this._document;
         const resolvedDataDoc = document.layout instanceof Doc ? document : this._dataDoc;
         return <DocumentView key={document[Id]}
+            LibraryPath={this._libraryPath}
             Document={document}
             DataDoc={resolvedDataDoc}
             bringToFront={emptyFunction}
@@ -694,3 +720,4 @@ export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
             </div >);
     }
 }
+Scripting.addGlobal(function openOnRight(doc: any) { CollectionDockingView.AddRightSplit(doc, undefined); });
diff --git a/src/client/views/collections/CollectionMasonryViewFieldRow.tsx b/src/client/views/collections/CollectionMasonryViewFieldRow.tsx
index d697e721b..80752303c 100644
--- a/src/client/views/collections/CollectionMasonryViewFieldRow.tsx
+++ b/src/client/views/collections/CollectionMasonryViewFieldRow.tsx
@@ -56,7 +56,7 @@ export class CollectionMasonryViewFieldRow extends React.Component<CMVFieldRowPr
     createRowDropRef = (ele: HTMLDivElement | null) => {
         this._dropDisposer && this._dropDisposer();
         if (ele) {
-            this._dropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.rowDrop.bind(this) } });
+            this._dropDisposer = DragManager.MakeDropTarget(ele, this.rowDrop.bind(this));
         }
     }
 
@@ -74,12 +74,12 @@ export class CollectionMasonryViewFieldRow extends React.Component<CMVFieldRowPr
     @undoBatch
     rowDrop = action((e: Event, de: DragManager.DropEvent) => {
         this._createAliasSelected = false;
-        if (de.data instanceof DragManager.DocumentDragData) {
+        if (de.complete.docDragData) {
             (this.props.parent.Document.dropConverter instanceof ScriptField) &&
-                this.props.parent.Document.dropConverter.script.run({ dragData: de.data });
+                this.props.parent.Document.dropConverter.script.run({ dragData: de.complete.docDragData });
             const key = StrCast(this.props.parent.props.Document.sectionFilter);
             const castedValue = this.getValue(this._heading);
-            de.data.droppedDocuments.forEach(d => d[key] = castedValue);
+            de.complete.docDragData.droppedDocuments.forEach(d => d[key] = castedValue);
             this.props.parent.drop(e, de);
             e.stopPropagation();
         }
@@ -171,10 +171,8 @@ export class CollectionMasonryViewFieldRow extends React.Component<CMVFieldRowPr
             const script = `return doc.${key} === ${value}`;
             const compiled = CompileScript(script, { params: { doc: Doc.name } });
             if (compiled.compiled) {
-                const scriptField = new ScriptField(compiled);
-                alias.viewSpecScript = scriptField;
-                const dragData = new DragManager.DocumentDragData([alias]);
-                DragManager.StartDocumentDrag([this._headerRef.current!], dragData, e.clientX, e.clientY);
+                alias.viewSpecScript = new ScriptField(compiled);
+                DragManager.StartDocumentDrag([this._headerRef.current!], new DragManager.DocumentDragData([alias]), e.clientX, e.clientY);
             }
 
             e.stopPropagation();
diff --git a/src/client/views/collections/CollectionSchemaCells.tsx b/src/client/views/collections/CollectionSchemaCells.tsx
index 1700c14cf..79a34bc00 100644
--- a/src/client/views/collections/CollectionSchemaCells.tsx
+++ b/src/client/views/collections/CollectionSchemaCells.tsx
@@ -37,7 +37,7 @@ export interface CellProps {
     renderDepth: number;
     addDocTab: (document: Doc, dataDoc: Doc | undefined, where: string) => boolean;
     pinToPres: (document: Doc) => void;
-    moveDocument: (document: Doc, targetCollection: Doc, addDocument: (document: Doc) => boolean) => boolean;
+    moveDocument: (document: Doc, targetCollection: Doc | undefined, addDocument: (document: Doc) => boolean) => boolean;
     isFocused: boolean;
     changeFocusedCellByIndex: (row: number, col: number) => void;
     setIsEditing: (isEditing: boolean) => void;
@@ -105,13 +105,13 @@ export class CollectionSchemaCell extends React.Component<CellProps> {
     }
 
     private drop = (e: Event, de: DragManager.DropEvent) => {
-        if (de.data instanceof DragManager.DocumentDragData) {
+        if (de.complete.docDragData) {
             const fieldKey = this.props.rowProps.column.id as string;
-            if (de.data.draggedDocuments.length === 1) {
-                this._document[fieldKey] = de.data.draggedDocuments[0];
+            if (de.complete.docDragData.draggedDocuments.length === 1) {
+                this._document[fieldKey] = de.complete.docDragData.draggedDocuments[0];
             }
             else {
-                const coll = Docs.Create.SchemaDocument([new SchemaHeaderField("title", "#f1efeb")], de.data.draggedDocuments, {});
+                const coll = Docs.Create.SchemaDocument([new SchemaHeaderField("title", "#f1efeb")], de.complete.docDragData.draggedDocuments, {});
                 this._document[fieldKey] = coll;
             }
             e.stopPropagation();
@@ -121,7 +121,7 @@ export class CollectionSchemaCell extends React.Component<CellProps> {
     private dropRef = (ele: HTMLElement | null) => {
         this._dropDisposer && this._dropDisposer();
         if (ele) {
-            this._dropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.drop.bind(this) } });
+            this._dropDisposer = DragManager.MakeDropTarget(ele, this.drop.bind(this));
         }
     }
 
@@ -143,6 +143,7 @@ export class CollectionSchemaCell extends React.Component<CellProps> {
         const props: FieldViewProps = {
             Document: this.props.rowProps.original,
             DataDoc: this.props.rowProps.original,
+            LibraryPath: [],
             fieldKey: this.props.rowProps.column.id as string,
             ruleProvider: undefined,
             ContainingCollectionView: this.props.CollectionView,
@@ -166,11 +167,10 @@ export class CollectionSchemaCell extends React.Component<CellProps> {
         const fieldIsDoc = (type === "document" && typeof field === "object") || (typeof field === "object" && doc);
 
         const onItemDown = (e: React.PointerEvent) => {
-            if (fieldIsDoc) {
-                SetupDrag(this._focusRef, () => this._document[props.fieldKey] instanceof Doc ? this._document[props.fieldKey] : this._document,
-                    this._document[props.fieldKey] instanceof Doc ? (doc: Doc, target: Doc, addDoc: (newDoc: Doc) => any) => addDoc(doc) : this.props.moveDocument,
-                    this._document[props.fieldKey] instanceof Doc ? "alias" : this.props.Document.schemaDoc ? "copy" : undefined)(e);
-            }
+            fieldIsDoc && SetupDrag(this._focusRef,
+                () => this._document[props.fieldKey] instanceof Doc ? this._document[props.fieldKey] : this._document,
+                this._document[props.fieldKey] instanceof Doc ? (doc: Doc, target: Doc | undefined, addDoc: (newDoc: Doc) => any) => addDoc(doc) : this.props.moveDocument,
+                this._document[props.fieldKey] instanceof Doc ? "alias" : this.props.Document.schemaDoc ? "copy" : undefined)(e);
         };
         const onPointerEnter = (e: React.PointerEvent): void => {
             if (e.buttons === 1 && SelectionManager.GetIsDragging() && (type === "document" || type === undefined)) {
diff --git a/src/client/views/collections/CollectionSchemaHeaders.tsx b/src/client/views/collections/CollectionSchemaHeaders.tsx
index 0114342b9..92dc8780e 100644
--- a/src/client/views/collections/CollectionSchemaHeaders.tsx
+++ b/src/client/views/collections/CollectionSchemaHeaders.tsx
@@ -286,7 +286,6 @@ class KeysDropdown extends React.Component<KeysDropdownProps> {
     }
 
     @undoBatch
-    @action
     onKeyDown = (e: React.KeyboardEvent): void => {
         if (e.key === "Enter") {
             const keyOptions = this._searchTerm === "" ? this.props.possibleKeys : this.props.possibleKeys.filter(key => key.toUpperCase().indexOf(this._searchTerm.toUpperCase()) > -1);
@@ -296,7 +295,7 @@ class KeysDropdown extends React.Component<KeysDropdownProps> {
             if (!exactFound && this._searchTerm !== "" && this.props.canAddNew) {
                 this.onSelect(this._searchTerm);
             } else {
-                this._searchTerm = this._key;
+                this.setSearchTerm(this._key);
             }
         }
     }
diff --git a/src/client/views/collections/CollectionSchemaMovableTableHOC.tsx b/src/client/views/collections/CollectionSchemaMovableTableHOC.tsx
index 90320df82..153bbd410 100644
--- a/src/client/views/collections/CollectionSchemaMovableTableHOC.tsx
+++ b/src/client/views/collections/CollectionSchemaMovableTableHOC.tsx
@@ -56,7 +56,7 @@ export class MovableColumn extends React.Component<MovableColumnProps> {
     createColDropTarget = (ele: HTMLDivElement) => {
         this._colDropDisposer && this._colDropDisposer();
         if (ele) {
-            this._colDropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.colDrop.bind(this) } });
+            this._colDropDisposer = DragManager.MakeDropTarget(ele, this.colDrop.bind(this));
         }
     }
 
@@ -66,8 +66,8 @@ export class MovableColumn extends React.Component<MovableColumnProps> {
         const rect = this._header!.current!.getBoundingClientRect();
         const bounds = this.props.ScreenToLocalTransform().transformPoint(rect.left + ((rect.right - rect.left) / 2), rect.top);
         const before = x[0] < bounds[0];
-        if (de.data instanceof DragManager.ColumnDragData) {
-            this.props.reorderColumns(de.data.colKey, this.props.columnValue, before, this.props.allColumns);
+        if (de.complete.columnDragData) {
+            this.props.reorderColumns(de.complete.columnDragData.colKey, this.props.columnValue, before, this.props.allColumns);
             return true;
         }
         return false;
@@ -165,7 +165,7 @@ export class MovableRow extends React.Component<MovableRowProps> {
     createRowDropTarget = (ele: HTMLDivElement) => {
         this._rowDropDisposer && this._rowDropDisposer();
         if (ele) {
-            this._rowDropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.rowDrop.bind(this) } });
+            this._rowDropDisposer = DragManager.MakeDropTarget(ele, this.rowDrop.bind(this));
         }
     }
 
@@ -178,16 +178,17 @@ export class MovableRow extends React.Component<MovableRowProps> {
         const bounds = this.props.ScreenToLocalTransform().transformPoint(rect.left, rect.top + rect.height / 2);
         const before = x[1] < bounds[1];
 
-        if (de.data instanceof DragManager.DocumentDragData) {
+        const docDragData = de.complete.docDragData;
+        if (docDragData) {
             e.stopPropagation();
-            if (de.data.draggedDocuments[0] === rowDoc) return true;
+            if (docDragData.draggedDocuments[0] === rowDoc) return true;
             const addDocument = (doc: Doc) => this.props.addDoc(doc, rowDoc, before);
-            const movedDocs = de.data.draggedDocuments;
-            return (de.data.dropAction || de.data.userDropAction) ?
-                de.data.droppedDocuments.reduce((added: boolean, d) => this.props.addDoc(d, rowDoc, before) || added, false)
-                : (de.data.moveDocument) ?
-                    movedDocs.reduce((added: boolean, d) => de.data.moveDocument(d, rowDoc, addDocument) || added, false)
-                    : de.data.droppedDocuments.reduce((added: boolean, d) => this.props.addDoc(d, rowDoc, before), false);
+            const movedDocs = docDragData.draggedDocuments;
+            return (docDragData.dropAction || docDragData.userDropAction) ?
+                docDragData.droppedDocuments.reduce((added: boolean, d) => this.props.addDoc(d, rowDoc, before) || added, false)
+                : (docDragData.moveDocument) ?
+                    movedDocs.reduce((added: boolean, d) => docDragData.moveDocument?.(d, rowDoc, addDocument) || added, false)
+                    : docDragData.droppedDocuments.reduce((added: boolean, d) => this.props.addDoc(d, rowDoc, before), false);
         }
         return false;
     }
@@ -199,12 +200,12 @@ export class MovableRow extends React.Component<MovableRowProps> {
 
     @undoBatch
     @action
-    move: DragManager.MoveFunction = (doc: Doc, target: Doc, addDoc) => {
-        const targetView = DocumentManager.Instance.getDocumentView(target);
+    move: DragManager.MoveFunction = (doc: Doc, targetCollection: Doc | undefined, addDoc) => {
+        const targetView = targetCollection && DocumentManager.Instance.getDocumentView(targetCollection);
         if (targetView && targetView.props.ContainingCollectionDoc) {
-            return doc !== target && doc !== targetView.props.ContainingCollectionDoc && this.props.removeDoc(doc) && addDoc(doc);
+            return doc !== targetCollection && doc !== targetView.props.ContainingCollectionDoc && this.props.removeDoc(doc) && addDoc(doc);
         }
-        return doc !== target && this.props.removeDoc(doc) && addDoc(doc);
+        return doc !== targetCollection && this.props.removeDoc(doc) && addDoc(doc);
     }
 
     render() {
diff --git a/src/client/views/collections/CollectionSchemaView.tsx b/src/client/views/collections/CollectionSchemaView.tsx
index f336eaf75..b466d9511 100644
--- a/src/client/views/collections/CollectionSchemaView.tsx
+++ b/src/client/views/collections/CollectionSchemaView.tsx
@@ -141,6 +141,7 @@ export class CollectionSchemaView extends CollectionSubView(doc => doc) {
             <ContentFittingDocumentView
                 Document={layoutDoc}
                 DataDocument={this.previewDocument !== this.props.DataDoc ? this.props.DataDoc : undefined}
+                LibraryPath={this.props.LibraryPath}
                 childDocs={this.childDocs}
                 renderDepth={this.props.renderDepth}
                 ruleProvider={this.props.Document.isRuleProvider && layoutDoc && layoutDoc.type !== DocumentType.TEXT ? this.props.Document : this.props.ruleProvider}
@@ -156,8 +157,6 @@ export class CollectionSchemaView extends CollectionSubView(doc => doc) {
                 whenActiveChanged={this.props.whenActiveChanged}
                 addDocTab={this.props.addDocTab}
                 pinToPres={this.props.pinToPres}
-                setPreviewScript={this.setPreviewScript}
-                previewScript={this.previewScript}
             />
         </div>;
     }
@@ -223,7 +222,7 @@ export interface SchemaTableProps {
     renderDepth: number;
     deleteDocument: (document: Doc) => boolean;
     addDocument: (document: Doc) => boolean;
-    moveDocument: (document: Doc, targetCollection: Doc, addDocument: (document: Doc) => boolean) => boolean;
+    moveDocument: (document: Doc, targetCollection: Doc | undefined, addDocument: (document: Doc) => boolean) => boolean;
     ScreenToLocalTransform: () => Transform;
     active: (outsideReaction: boolean) => boolean;
     onDrop: (e: React.DragEvent<Element>, options: DocumentOptions, completed?: (() => void) | undefined) => void;
diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index 955fcda80..886a9c870 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -22,8 +22,9 @@ import { CollectionStackingViewFieldColumn } from "./CollectionStackingViewField
 import { CollectionSubView } from "./CollectionSubView";
 import { ContextMenu } from "../ContextMenu";
 import { ContextMenuProps } from "../ContextMenuItem";
-import { ScriptBox } from "../ScriptBox";
 import { CollectionMasonryViewFieldRow } from "./CollectionMasonryViewFieldRow";
+import { TraceMobx } from "../../../new_fields/util";
+import { CollectionViewType } from "./CollectionView";
 
 @observer
 export class CollectionStackingView extends CollectionSubView(doc => doc) {
@@ -38,9 +39,9 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     @observable _scroll = 0; // used to force the document decoration to update when scrolling
     @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 filteredChildren() { return this.childDocs.filter(d => !d.isMinimized).map(d => (Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, d).layout as Doc) || d); }
     @computed get xMargin() { return NumCast(this.props.Document.xMargin, 2 * this.gridGap); }
-    @computed get yMargin() { return Math.max(this.props.Document.showTitle ? 30 : 0, NumCast(this.props.Document.yMargin, 2 * this.gridGap)); }
+    @computed get yMargin() { return Math.max(this.props.Document.showTitle && !this.props.Document.showTitleHover ? 30 : 0, NumCast(this.props.Document.yMargin, 2 * this.gridGap)); }
     @computed get gridGap() { return NumCast(this.props.Document.gridGap, 10); }
     @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; }
@@ -51,22 +52,18 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
     @computed get NodeWidth() { return this.props.PanelWidth() - this.gridGap; }
 
-    childDocHeight(child: Doc) { return this.getDocHeight(Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, child).layout); }
-
     children(docs: Doc[]) {
         this._docXfs.length = 0;
         return docs.map((d, i) => {
-            const pair = Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, d);
-            const layoutDoc = pair.layout ? Doc.Layout(pair.layout) : d;
-            const width = () => Math.min(layoutDoc.nativeWidth && !layoutDoc.ignoreAspect && !this.props.Document.fillColumn ? layoutDoc[WidthSym]() : Number.MAX_VALUE, this.columnWidth / this.numGroupColumns);
-            const height = () => this.getDocHeight(layoutDoc);
+            const width = () => Math.min(d.nativeWidth && !d.ignoreAspect && !this.props.Document.fillColumn ? d[WidthSym]() : Number.MAX_VALUE, this.columnWidth / this.numGroupColumns);
+            const height = () => this.getDocHeight(d);
             const dref = React.createRef<HTMLDivElement>();
-            const dxf = () => this.getDocTransform(layoutDoc, dref.current!);
+            const dxf = () => this.getDocTransform(d, dref.current!);
             this._docXfs.push({ dxf: dxf, width: width, height: height });
             const rowSpan = Math.ceil((height() + this.gridGap) / this.gridGap);
             const style = this.isStackingView ? { width: width(), marginTop: i === 0 ? 0 : this.gridGap, height: height() } : { gridRowEnd: `span ${rowSpan}` };
             return <div className={`collectionStackingView-${this.isStackingView ? "columnDoc" : "masonryDoc"}`} key={d[Id]} ref={dref} style={style} >
-                {this.getDisplayDoc(pair.layout || d, pair.data, dxf, width)}
+                {this.getDisplayDoc(d, (d.resolvedDataDoc as Doc) || d, dxf, width)}
             </div>;
         });
     }
@@ -113,7 +110,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
                     const res = this.props.ContentScaling() * sectionsList.reduce((maxHght, s) => {
                         const r1 = Math.max(maxHght,
                             (this.Sections.size ? 50 : 0) + s.reduce((height, d, i) => {
-                                const val = height + this.childDocHeight(d) + (i === s.length - 1 ? this.yMargin : this.gridGap);
+                                const val = height + this.getDocHeight(d) + (i === s.length - 1 ? this.yMargin : this.gridGap);
                                 return val;
                             }, this.yMargin));
                         return r1;
@@ -146,7 +143,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     @action
-    moveDocument = (doc: Doc, targetCollection: Doc, addDocument: (document: Doc) => boolean): boolean => {
+    moveDocument = (doc: Doc, targetCollection: Doc | undefined, addDocument: (document: Doc) => boolean): boolean => {
         return this.props.removeDocument(doc) && addDocument(doc);
     }
     createRef = (ele: HTMLDivElement | null) => {
@@ -155,7 +152,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     overlays = (doc: Doc) => {
-        return doc.type === DocumentType.IMG || doc.type === DocumentType.VID ? { title: StrCast(this.props.Document.showTitles), caption: StrCast(this.props.Document.showCaptions) } : {};
+        return doc.type === DocumentType.IMG || doc.type === DocumentType.VID ? { title: StrCast(this.props.Document.showTitles), titleHover: StrCast(this.props.Document.showTitleHovers), caption: StrCast(this.props.Document.showCaptions) } : {};
     }
 
     @computed get onChildClickHandler() { return ScriptCast(this.Document.onChildClick); }
@@ -164,18 +161,18 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     getDisplayDoc(doc: Doc, dataDoc: Doc | undefined, dxf: () => Transform, width: () => number) {
         const layoutDoc = Doc.Layout(doc);
         const height = () => this.getDocHeight(doc);
-        const finalDxf = () => dxf().scale(this.columnWidth / layoutDoc[WidthSym]());
         return <ContentFittingDocumentView
             Document={doc}
             DataDocument={dataDoc}
+            LibraryPath={this.props.LibraryPath}
             showOverlays={this.overlays}
-            renderDepth={this.props.renderDepth}
+            renderDepth={this.props.renderDepth + 1}
             ruleProvider={this.props.Document.isRuleProvider && layoutDoc.type !== DocumentType.TEXT ? this.props.Document : this.props.ruleProvider}
             fitToBox={this.props.fitToBox}
             onClick={layoutDoc.isTemplateDoc ? this.onClickHandler : this.onChildClickHandler}
             PanelWidth={width}
             PanelHeight={height}
-            getTransform={finalDxf}
+            getTransform={dxf}
             focus={this.props.focus}
             CollectionDoc={this.props.CollectionView && this.props.CollectionView.props.Document}
             CollectionView={this.props.CollectionView}
@@ -185,9 +182,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
             active={this.props.active}
             whenActiveChanged={this.props.whenActiveChanged}
             addDocTab={this.props.addDocTab}
-            pinToPres={this.props.pinToPres}
-            setPreviewScript={emptyFunction}
-            previewScript={undefined}>
+            pinToPres={this.props.pinToPres}>
         </ContentFittingDocumentView>;
     }
     getDocHeight(d?: Doc) {
@@ -240,26 +235,27 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     drop = (e: Event, de: DragManager.DropEvent) => {
         const where = [de.x, de.y];
         let targInd = -1;
-        let plusOne = false;
-        if (de.data instanceof DragManager.DocumentDragData) {
+        let plusOne = 0;
+        if (de.complete.docDragData) {
             this._docXfs.map((cd, i) => {
                 const pos = cd.dxf().inverse().transformPoint(-2 * this.gridGap, -2 * this.gridGap);
                 const pos1 = cd.dxf().inverse().transformPoint(cd.width(), cd.height());
                 if (where[0] > pos[0] && where[0] < pos1[0] && where[1] > pos[1] && where[1] < pos1[1]) {
                     targInd = i;
-                    plusOne = (where[1] > (pos[1] + pos1[1]) / 2 ? 1 : 0) ? true : false;
+                    const axis = this.Document.viewType === CollectionViewType.Masonry ? 0 : 1;
+                    plusOne = where[axis] > (pos[axis] + pos1[axis]) / 2 ? 1 : 0;
                 }
             });
-        }
-        if (super.drop(e, de)) {
-            const newDoc = de.data.droppedDocuments[0];
-            const docs = this.childDocList;
-            if (docs) {
-                if (targInd === -1) targInd = docs.length;
-                else targInd = docs.indexOf(this.filteredChildren[targInd]);
-                const srcInd = docs.indexOf(newDoc);
-                docs.splice(srcInd, 1);
-                docs.splice((targInd > srcInd ? targInd - 1 : targInd) + (plusOne ? 1 : 0), 0, newDoc);
+            if (super.drop(e, de)) {
+                const newDoc = de.complete.docDragData.droppedDocuments[0];
+                const docs = this.childDocList;
+                if (docs) {
+                    if (targInd === -1) targInd = docs.length;
+                    else targInd = docs.indexOf(this.filteredChildren[targInd]);
+                    const srcInd = docs.indexOf(newDoc);
+                    docs.splice(srcInd, 1);
+                    docs.splice((targInd > srcInd ? targInd - 1 : targInd) + plusOne, 0, newDoc);
+                }
             }
         }
         return false;
@@ -291,7 +287,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     sectionStacking = (heading: SchemaHeaderField | undefined, docList: Doc[]) => {
         const key = this.sectionFilter;
         let type: "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function" | undefined = undefined;
-        const types = docList.length ? docList.map(d => typeof d[key]) : this.childDocs.map(d => typeof d[key]);
+        const types = docList.length ? docList.map(d => typeof d[key]) : this.filteredChildren.map(d => typeof d[key]);
         if (types.map((i, idx) => types.indexOf(i) === idx).length === 1) {
             type = types[0];
         }
@@ -316,16 +312,17 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         const y = this._scroll; // required for document decorations to update when the text box container is scrolled
         const { scale, translateX, translateY } = Utils.GetScreenTransform(dref);
         const outerXf = Utils.GetScreenTransform(this._masonryGridRef!);
+        const scaling = 1 / Math.min(1, this.props.PanelHeight() / this.layoutDoc[HeightSym]());
         const offset = this.props.ScreenToLocalTransform().transformDirection(outerXf.translateX - translateX, outerXf.translateY - translateY);
-        return this.props.ScreenToLocalTransform().
-            translate(offset[0], offset[1] + (this.props.ChromeHeight && this.props.ChromeHeight() < 0 ? this.props.ChromeHeight() : 0)).
-            scale(NumCast(doc.width, 1) / this.columnWidth);
+        const offsetx = (doc[WidthSym]() - doc[WidthSym]() / scaling) / 2;
+        const offsety = (this.props.ChromeHeight && this.props.ChromeHeight() < 0 ? this.props.ChromeHeight() : 0);
+        return this.props.ScreenToLocalTransform().translate(offset[0] - offsetx, offset[1] + offsety).scale(scaling);
     }
 
     sectionMasonry = (heading: SchemaHeaderField | undefined, docList: Doc[]) => {
         const key = this.sectionFilter;
         let type: "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function" | undefined = undefined;
-        const types = docList.length ? docList.map(d => typeof d[key]) : this.childDocs.map(d => typeof d[key]);
+        const types = docList.length ? docList.map(d => typeof d[key]) : this.filteredChildren.map(d => typeof d[key]);
         if (types.map((i, idx) => types.indexOf(i) === idx).length === 1) {
             type = types[0];
         }
@@ -374,34 +371,39 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
             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" });
             ContextMenu.Instance.addItem({ description: "Stacking Options ...", subitems: subItems, icon: "eye" });
-
-            const existingOnClick = ContextMenu.Instance.findByDescription("OnClick...");
-            const onClicks: ContextMenuProps[] = existingOnClick && "subitems" in existingOnClick ? existingOnClick.subitems : [];
-            onClicks.push({ description: "Edit onChildClick script", icon: "edit", event: (obj: any) => ScriptBox.EditButtonScript("On Child Clicked...", this.props.Document, "onChildClick", obj.x, obj.y) });
-            !existingOnClick && ContextMenu.Instance.addItem({ description: "OnClick...", subitems: onClicks, icon: "hand-point-right" });
         }
     }
 
+    @computed get renderedSections() {
+        TraceMobx();
+        let sections = [[undefined, this.filteredChildren] as [SchemaHeaderField | undefined, Doc[]]];
+        if (this.sectionFilter) {
+            const entries = Array.from(this.Sections.entries());
+            sections = entries.sort(this.sortFunc);
+        }
+        return sections.map(section => this.isStackingView ? this.sectionStacking(section[0], section[1]) : this.sectionMasonry(section[0], section[1]));
+    }
     render() {
+        TraceMobx();
         const editableViewProps = {
             GetValue: () => "",
             SetValue: this.addGroup,
             contents: "+ ADD A GROUP"
         };
-        let sections = [[undefined, this.filteredChildren] as [SchemaHeaderField | undefined, Doc[]]];
-        if (this.sectionFilter) {
-            const entries = Array.from(this.Sections.entries());
-            sections = entries.sort(this.sortFunc);
-        }
         return (
             <div className="collectionStackingMasonry-cont" >
                 <div className={this.isStackingView ? "collectionStackingView" : "collectionMasonryView"}
                     ref={this.createRef}
+                    style={{
+                        transform: `scale(${Math.min(1, this.props.PanelHeight() / this.layoutDoc[HeightSym]())})`,
+                        height: `${100 * 1 / Math.min(this.props.PanelWidth() / this.layoutDoc[WidthSym](), this.props.PanelHeight() / this.layoutDoc[HeightSym]())}%`,
+                        transformOrigin: "top"
+                    }}
                     onScroll={action((e: React.UIEvent<HTMLDivElement>) => this._scroll = e.currentTarget.scrollTop)}
                     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]))}
+                    onWheel={e => e.stopPropagation()} >
+                    {this.renderedSections}
                     {!this.showAddAGroup ? (null) :
                         <div key={`${this.props.Document[Id]}-addGroup`} className="collectionStackingView-addGroupButton"
                             style={{ width: !this.isStackingView ? "100%" : this.columnWidth / this.numGroupColumns - 10, marginTop: 10 }}>
diff --git a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
index 80dc482af..39b4e4e1d 100644
--- a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
+++ b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
@@ -17,6 +17,7 @@ import { anchorPoints, Flyout } from "../DocumentDecorations";
 import { EditableView } from "../EditableView";
 import { CollectionStackingView } from "./CollectionStackingView";
 import "./CollectionStackingView.scss";
+import { TraceMobx } from "../../../new_fields/util";
 
 library.add(faPalette);
 
@@ -50,21 +51,21 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
         this._dropRef = ele;
         this.dropDisposer && this.dropDisposer();
         if (ele) {
-            this.dropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.columnDrop.bind(this) } });
+            this.dropDisposer = DragManager.MakeDropTarget(ele, this.columnDrop.bind(this));
         }
     }
 
     @undoBatch
     columnDrop = action((e: Event, de: DragManager.DropEvent) => {
         this._createAliasSelected = false;
-        if (de.data instanceof DragManager.DocumentDragData) {
+        if (de.complete.docDragData) {
             const key = StrCast(this.props.parent.props.Document.sectionFilter);
             const castedValue = this.getValue(this._heading);
             if (castedValue) {
-                de.data.droppedDocuments.forEach(d => d[key] = castedValue);
+                de.complete.docDragData.droppedDocuments.forEach(d => d[key] = castedValue);
             }
             else {
-                de.data.droppedDocuments.forEach(d => d[key] = undefined);
+                de.complete.docDragData.droppedDocuments.forEach(d => d[key] = undefined);
             }
             this.props.parent.drop(e, de);
             e.stopPropagation();
@@ -252,13 +253,12 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
 
     @observable private collapsed: boolean = false;
 
-    private toggleVisibility = action(() => {
-        this.collapsed = !this.collapsed;
-    });
+    private toggleVisibility = action(() => this.collapsed = !this.collapsed);
 
     @observable _headingsHack: number = 1;
 
     render() {
+        TraceMobx();
         const cols = this.props.cols();
         const key = StrCast(this.props.parent.props.Document.sectionFilter);
         let templatecols = "";
diff --git a/src/client/views/collections/CollectionSubView.tsx b/src/client/views/collections/CollectionSubView.tsx
index 0a2e27165..5753dd34e 100644
--- a/src/client/views/collections/CollectionSubView.tsx
+++ b/src/client/views/collections/CollectionSubView.tsx
@@ -27,7 +27,7 @@ import { Networking } from "../../Network";
 export interface CollectionViewProps extends FieldViewProps {
     addDocument: (document: Doc) => boolean;
     removeDocument: (document: Doc) => boolean;
-    moveDocument: (document: Doc, targetCollection: Doc, addDocument: (document: Doc) => boolean) => boolean;
+    moveDocument: (document: Doc, targetCollection: Doc | undefined, addDocument: (document: Doc) => boolean) => boolean;
     PanelWidth: () => number;
     PanelHeight: () => number;
     VisibleHeight?: () => number;
@@ -51,7 +51,7 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
         protected createDropTarget = (ele: HTMLDivElement) => { //used for stacking and masonry view
             this.dropDisposer && this.dropDisposer();
             if (ele) {
-                this.dropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.drop.bind(this) } });
+                this.dropDisposer = DragManager.MakeDropTarget(ele, this.drop.bind(this));
             }
         }
         protected CreateDropTarget(ele: HTMLDivElement) { //used in schema view
@@ -85,8 +85,10 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
             return this.props.annotationsKey ? (this.extensionDoc ? this.extensionDoc[this.props.annotationsKey] : undefined) : this.dataDoc[this.props.fieldKey];
         }
 
-        get childLayoutPairs() {
-            return this.childDocs.map(cd => Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, cd)).filter(pair => pair.layout).map(pair => ({ layout: pair.layout!, data: pair.data! }));
+        get childLayoutPairs(): { layout: Doc; data: Doc; }[] {
+            const { Document, DataDoc, fieldKey } = this.props;
+            const validPairs = this.childDocs.map(doc => Doc.GetLayoutDataDocPair(Document, DataDoc, fieldKey, doc)).filter(pair => pair.layout);
+            return validPairs.map(({ data, layout }) => ({ data: data!, layout: layout! })); // this mapping is a bit of a hack to coerce types
         }
         get childDocList() {
             return Cast(this.dataField, listSpec(Doc));
@@ -132,32 +134,33 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
         @undoBatch
         @action
         protected drop(e: Event, de: DragManager.DropEvent): boolean {
+            const docDragData = de.complete.docDragData;
             (this.props.Document.dropConverter instanceof ScriptField) &&
-                this.props.Document.dropConverter.script.run({ dragData: de.data });
-            if (de.data instanceof DragManager.DocumentDragData && !de.data.applyAsTemplate) {
-                if (de.mods === "AltKey" && de.data.draggedDocuments.length) {
+                this.props.Document.dropConverter.script.run({ dragData: docDragData }); /// bcz: check this 
+            if (docDragData && !docDragData.applyAsTemplate) {
+                if (de.altKey && docDragData.draggedDocuments.length) {
                     this.childDocs.map(doc =>
-                        Doc.ApplyTemplateTo(de.data.draggedDocuments[0], doc, "layoutFromParent"));
+                        Doc.ApplyTemplateTo(docDragData.draggedDocuments[0], doc, "layoutFromParent"));
                     e.stopPropagation();
                     return true;
                 }
                 let added = false;
-                if (de.data.dropAction || de.data.userDropAction) {
-                    added = de.data.droppedDocuments.reduce((added: boolean, d) => this.props.addDocument(d) || added, false);
-                } else if (de.data.moveDocument) {
-                    const movedDocs = de.data.draggedDocuments;
+                if (docDragData.dropAction || docDragData.userDropAction) {
+                    added = docDragData.droppedDocuments.reduce((added: boolean, d) => this.props.addDocument(d) || added, false);
+                } else if (docDragData.moveDocument) {
+                    const movedDocs = docDragData.draggedDocuments;
                     added = movedDocs.reduce((added: boolean, d, i) =>
-                        de.data.droppedDocuments[i] !== d ? this.props.addDocument(de.data.droppedDocuments[i]) :
-                            de.data.moveDocument(d, this.props.Document, this.props.addDocument) || added, false);
+                        docDragData.droppedDocuments[i] !== d ? this.props.addDocument(docDragData.droppedDocuments[i]) :
+                            docDragData.moveDocument?.(d, this.props.Document, this.props.addDocument) || added, false);
                 } else {
-                    added = de.data.droppedDocuments.reduce((added: boolean, d) => this.props.addDocument(d) || added, false);
+                    added = docDragData.droppedDocuments.reduce((added: boolean, d) => this.props.addDocument(d) || added, false);
                 }
                 e.stopPropagation();
                 return added;
             }
-            else if (de.data instanceof DragManager.AnnotationDragData) {
+            else if (de.complete.annoDragData) {
                 e.stopPropagation();
-                return this.props.addDocument(de.data.dropDocument);
+                return this.props.addDocument(de.complete.annoDragData.dropDocument);
             }
             return false;
         }
@@ -190,7 +193,7 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
                             }
                         });
                     } else {
-                        this.props.addDocument && this.props.addDocument(Docs.Create.WebDocument(href, options));
+                        this.props.addDocument && this.props.addDocument(Docs.Create.WebDocument(href, { ...options, title: href }));
                     }
                 } else if (text) {
                     this.props.addDocument && this.props.addDocument(Docs.Create.TextDocument({ ...options, width: 100, height: 25, documentText: "@@@" + text }));
@@ -261,7 +264,7 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
                         .then(result => {
                             const type = result["content-type"];
                             if (type) {
-                                Docs.Get.DocumentFromType(type, str, { ...options, width: 300, nativeWidth: type.indexOf("video") !== -1 ? 600 : 300 })
+                                Docs.Get.DocumentFromType(type, str, options)
                                     .then(doc => doc && this.props.addDocument(doc));
                             }
                         });
@@ -280,7 +283,7 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
                     const dropFileName = file ? file.name : "-empty-";
                     promises.push(Networking.PostFormDataToServer("/upload", formData).then(results => {
                         results.map(action(({ clientAccessPath }: any) => {
-                            const full = { ...options, nativeWidth: type.indexOf("video") !== -1 ? 600 : 300, width: 300, title: dropFileName };
+                            const full = { ...options, width: 300, title: dropFileName };
                             const pathname = Utils.prepend(clientAccessPath);
                             Docs.Get.DocumentFromType(type, pathname, full).then(doc => {
                                 doc && (Doc.GetProto(doc).fileUpload = basename(pathname).replace("upload_", "").replace(/\.[a-z0-9]*$/, ""));
@@ -290,14 +293,13 @@ export function CollectionSubView<T>(schemaCtor: (doc: Doc) => T) {
                     }));
                 }
             }
-            if (text && !text.includes("https://")) {
-                this.props.addDocument(Docs.Create.TextDocument({ ...options, documentText: "@@@" + text, width: 400, height: 315 }));
-                return;
-            }
 
             if (promises.length) {
                 Promise.all(promises).finally(() => { completed && completed(); batch.end(); });
             } else {
+                if (text && !text.includes("https://")) {
+                    this.props.addDocument(Docs.Create.TextDocument({ ...options, documentText: "@@@" + text, width: 400, height: 315 }));
+                }
                 batch.end();
             }
         }
diff --git a/src/client/views/collections/CollectionTreeView.scss b/src/client/views/collections/CollectionTreeView.scss
index 8b12395a7..0b9dc2eb2 100644
--- a/src/client/views/collections/CollectionTreeView.scss
+++ b/src/client/views/collections/CollectionTreeView.scss
@@ -15,6 +15,7 @@
     background: $light-color-secondary;
     font-size: 13px;
     overflow: auto;
+    user-select: none;
     cursor: default;
 
     ul {
diff --git a/src/client/views/collections/CollectionTreeView.tsx b/src/client/views/collections/CollectionTreeView.tsx
index 48ea35c6b..3356aed68 100644
--- a/src/client/views/collections/CollectionTreeView.tsx
+++ b/src/client/views/collections/CollectionTreeView.tsx
@@ -1,15 +1,15 @@
 import { library } from '@fortawesome/fontawesome-svg-core';
 import { faAngleRight, faArrowsAltH, faBell, faCamera, faCaretDown, faCaretRight, faCaretSquareDown, faCaretSquareRight, faExpand, faMinus, faPlus, faTrash, faTrashAlt } from '@fortawesome/free-solid-svg-icons';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
-import { action, computed, observable } from "mobx";
+import { action, computed, observable, untracked, runInAction } from "mobx";
 import { observer } from "mobx-react";
 import { Doc, DocListCast, Field, HeightSym, WidthSym } from '../../../new_fields/Doc';
 import { Id } from '../../../new_fields/FieldSymbols';
 import { List } from '../../../new_fields/List';
 import { Document, listSpec } from '../../../new_fields/Schema';
 import { ComputedField, ScriptField } from '../../../new_fields/ScriptField';
-import { BoolCast, Cast, NumCast, StrCast } from '../../../new_fields/Types';
-import { emptyFunction, Utils, returnFalse } from '../../../Utils';
+import { BoolCast, Cast, NumCast, StrCast, ScriptCast } from '../../../new_fields/Types';
+import { emptyFunction, Utils, returnFalse, emptyPath } from '../../../Utils';
 import { Docs, DocUtils } from '../../documents/Documents';
 import { DocumentType } from "../../documents/DocumentTypes";
 import { DocumentManager } from '../../util/DocumentManager';
@@ -28,11 +28,13 @@ import { CollectionSubView } from "./CollectionSubView";
 import "./CollectionTreeView.scss";
 import React = require("react");
 import { CurrentUserUtils } from '../../../server/authentication/models/current_user_utils';
+import { ScriptBox } from '../ScriptBox';
 
 
 export interface TreeViewProps {
     document: Doc;
     dataDoc?: Doc;
+    libraryPath: Doc[] | undefined;
     containingCollection: Doc;
     prevSibling?: Doc;
     renderDepth: number;
@@ -40,7 +42,7 @@ export interface TreeViewProps {
     ruleProvider: Doc | undefined;
     moveDocument: DragManager.MoveFunction;
     dropAction: "alias" | "copy" | undefined;
-    addDocTab: (doc: Doc, dataDoc: Doc | undefined, where: string) => boolean;
+    addDocTab: (doc: Doc, dataDoc: Doc | undefined, where: string, libraryPath?: Doc[]) => boolean;
     pinToPres: (document: Doc) => void;
     panelWidth: () => number;
     panelHeight: () => number;
@@ -56,6 +58,7 @@ export interface TreeViewProps {
     hideHeaderFields: () => boolean;
     preventTreeViewOpen: boolean;
     renderedIds: string[];
+    onCheckedClick?: ScriptField;
 }
 
 library.add(faTrashAlt);
@@ -89,14 +92,14 @@ class TreeView extends React.Component<TreeViewProps> {
 
     get defaultExpandedView() { return this.childDocs ? this.fieldKey : StrCast(this.props.document.defaultExpandedView, "fields"); }
     @observable _overrideTreeViewOpen = false; // override of the treeViewOpen field allowing the display state to be independent of the document's state
-    set treeViewOpen(c: boolean) { if (this.props.preventTreeViewOpen) this._overrideTreeViewOpen = c; else this.props.document.treeViewOpen = c; }
-    @computed get treeViewOpen() { return (this.props.document.treeViewOpen && !this.props.preventTreeViewOpen) || this._overrideTreeViewOpen; }
+    set treeViewOpen(c: boolean) { if (this.props.preventTreeViewOpen) this._overrideTreeViewOpen = c; else this.props.document.treeViewOpen = this._overrideTreeViewOpen = c; }
+    @computed get treeViewOpen() { return (!this.props.preventTreeViewOpen && BoolCast(this.props.document.treeViewOpen)) || this._overrideTreeViewOpen; }
     @computed get treeViewExpandedView() { return StrCast(this.props.document.treeViewExpandedView, this.defaultExpandedView); }
     @computed get MAX_EMBED_HEIGHT() { return NumCast(this.props.document.maxEmbedHeight, 300); }
     @computed get dataDoc() { return this.templateDataDoc ? this.templateDataDoc : this.props.document; }
     @computed get fieldKey() {
-        const splits = StrCast(Doc.LayoutField(this.props.document)).split("fieldKey={\"");
-        return splits.length > 1 ? splits[1].split("\"")[0] : "data";
+        const splits = StrCast(Doc.LayoutField(this.props.document)).split("fieldKey={\'");
+        return splits.length > 1 ? splits[1].split("\'")[0] : "data";
     }
     childDocList(field: string) {
         const layout = Doc.LayoutField(this.props.document) instanceof Doc ? Doc.LayoutField(this.props.document) as Doc : undefined;
@@ -120,9 +123,9 @@ class TreeView extends React.Component<TreeViewProps> {
     }
 
     @undoBatch delete = () => this.props.deleteDoc(this.props.document);
-    @undoBatch openRight = () => this.props.addDocTab(this.props.document, this.templateDataDoc, "onRight");
+    @undoBatch openRight = () => this.props.addDocTab(this.props.document, this.templateDataDoc, "onRight", this.props.libraryPath);
     @undoBatch indent = () => this.props.addDocument(this.props.document) && this.delete();
-    @undoBatch move = (doc: Doc, target: Doc, addDoc: (doc: Doc) => boolean) => {
+    @undoBatch move = (doc: Doc, target: Doc | undefined, addDoc: (doc: Doc) => boolean) => {
         return this.props.document !== target && this.props.deleteDoc(doc) && addDoc(doc);
     }
     @undoBatch @action remove = (document: Document, key: string) => {
@@ -131,7 +134,7 @@ class TreeView extends React.Component<TreeViewProps> {
 
     protected createTreeDropTarget = (ele: HTMLDivElement) => {
         this._treedropDisposer && this._treedropDisposer();
-        ele && (this._treedropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.treeDrop.bind(this) } }));
+        ele && (this._treedropDisposer = DragManager.MakeDropTarget(ele, this.treeDrop.bind(this)));
     }
 
     onPointerDown = (e: React.PointerEvent) => e.stopPropagation();
@@ -194,14 +197,13 @@ class TreeView extends React.Component<TreeViewProps> {
                 ContextMenu.Instance.addItem({ description: "Clear All", event: () => Doc.GetProto(CurrentUserUtils.UserDocument.recentlyClosed as Doc).data = new List<Doc>(), icon: "plus" });
             } else if (this.props.document !== CurrentUserUtils.UserDocument.workspaces) {
                 ContextMenu.Instance.addItem({ description: "Pin to Presentation", event: () => this.props.pinToPres(this.props.document), icon: "tv" });
-                ContextMenu.Instance.addItem({ description: "Open Tab", event: () => this.props.addDocTab(this.props.document, this.templateDataDoc, "inTab"), icon: "folder" });
-                ContextMenu.Instance.addItem({ description: "Open Right", event: () => this.props.addDocTab(this.props.document, this.templateDataDoc, "onRight"), icon: "caret-square-right" });
+                ContextMenu.Instance.addItem({ description: "Open Tab", event: () => this.props.addDocTab(this.props.document, this.templateDataDoc, "inTab", this.props.libraryPath), icon: "folder" });
+                ContextMenu.Instance.addItem({ description: "Open Right", event: () => this.props.addDocTab(this.props.document, this.templateDataDoc, "onRight", this.props.libraryPath), icon: "caret-square-right" });
                 if (DocumentManager.Instance.getDocumentViews(this.dataDoc).length) {
-                    ContextMenu.Instance.addItem({ description: "Focus", event: () => (view => view && view.props.focus(this.props.document, true))(DocumentManager.Instance.getFirstDocumentView(this.dataDoc)), icon: "camera" });
+                    ContextMenu.Instance.addItem({ description: "Focus", event: () => (view => view && view.props.focus(this.props.document, true))(DocumentManager.Instance.getFirstDocumentView(this.props.document)), icon: "camera" });
                 }
                 ContextMenu.Instance.addItem({ description: "Delete Item", event: () => this.props.deleteDoc(this.props.document), icon: "trash-alt" });
             } else {
-                ContextMenu.Instance.addItem({ description: "Open as Workspace", event: () => MainView.Instance.openWorkspace(this.dataDoc), icon: "caret-square-right" });
                 ContextMenu.Instance.addItem({ description: "Delete Workspace", event: () => this.props.deleteDoc(this.props.document), icon: "trash-alt" });
                 ContextMenu.Instance.addItem({ description: "Create New Workspace", event: () => MainView.Instance.createNewWorkspace(), icon: "plus" });
             }
@@ -219,25 +221,25 @@ class TreeView extends React.Component<TreeViewProps> {
         const rect = this._header!.current!.getBoundingClientRect();
         const before = pt[1] < rect.top + rect.height / 2;
         const inside = pt[0] > Math.min(rect.left + 75, rect.left + rect.width * .75) || (!before && this.treeViewOpen && DocListCast(this.dataDoc[this.fieldKey]).length);
-        if (de.data instanceof DragManager.LinkDragData) {
-            const sourceDoc = de.data.linkSourceDocument;
+        if (de.complete.linkDragData) {
+            const sourceDoc = de.complete.linkDragData.linkSourceDocument;
             const destDoc = this.props.document;
             DocUtils.MakeLink({ doc: sourceDoc }, { doc: destDoc });
             e.stopPropagation();
         }
-        if (de.data instanceof DragManager.DocumentDragData) {
+        if (de.complete.docDragData) {
             e.stopPropagation();
-            if (de.data.draggedDocuments[0] === this.props.document) return true;
+            if (de.complete.docDragData.draggedDocuments[0] === this.props.document) return true;
             let addDoc = (doc: Doc) => this.props.addDocument(doc, undefined, before);
             if (inside) {
                 addDoc = (doc: Doc) => Doc.AddDocToList(this.dataDoc, this.fieldKey, doc) || addDoc(doc);
             }
-            const movedDocs = (de.data.options === this.props.treeViewId ? de.data.draggedDocuments : de.data.droppedDocuments);
-            return ((de.data.dropAction && (de.data.options !== this.props.treeViewId)) || de.data.userDropAction) ?
-                de.data.droppedDocuments.reduce((added, d) => addDoc(d) || added, false)
-                : de.data.moveDocument ?
-                    movedDocs.reduce((added, d) => de.data.moveDocument(d, undefined, addDoc) || added, false)
-                    : de.data.droppedDocuments.reduce((added, d) => addDoc(d), false);
+            const movedDocs = (de.complete.docDragData.treeViewId === this.props.treeViewId ? de.complete.docDragData.draggedDocuments : de.complete.docDragData.droppedDocuments);
+            return ((de.complete.docDragData.dropAction && (de.complete.docDragData.treeViewId !== this.props.treeViewId)) || de.complete.docDragData.userDropAction) ?
+                de.complete.docDragData.droppedDocuments.reduce((added, d) => addDoc(d) || added, false)
+                : de.complete.docDragData.moveDocument ?
+                    movedDocs.reduce((added, d) => de.complete.docDragData?.moveDocument?.(d, undefined, addDoc) || added, false)
+                    : de.complete.docDragData.droppedDocuments.reduce((added, d) => addDoc(d), false);
         }
         return false;
     }
@@ -279,14 +281,14 @@ class TreeView extends React.Component<TreeViewProps> {
             const contents = doc[key];
             let contentElement: (JSX.Element | null)[] | JSX.Element = [];
 
-            if (contents instanceof Doc || Cast(contents, listSpec(Doc))) {
+            if (contents instanceof Doc || (Cast(contents, listSpec(Doc)) && (Cast(contents, listSpec(Doc))!.length && Cast(contents, listSpec(Doc))![0] instanceof Doc))) {
                 const remDoc = (doc: Doc) => this.remove(doc, key);
                 const addDoc = (doc: Doc, addBefore?: Doc, before?: boolean) => Doc.AddDocToList(this.dataDoc, key, doc, addBefore, before, false, true);
                 contentElement = TreeView.GetChildElements(contents instanceof Doc ? [contents] :
                     DocListCast(contents), this.props.treeViewId, doc, undefined, key, this.props.containingCollection, this.props.prevSibling, addDoc, remDoc, this.move,
                     this.props.dropAction, this.props.addDocTab, this.props.pinToPres, this.props.ScreenToLocalTransform, this.props.outerXf, this.props.active,
                     this.props.panelWidth, this.props.ChromeHeight, this.props.renderDepth, this.props.hideHeaderFields, this.props.preventTreeViewOpen,
-                    [...this.props.renderedIds, doc[Id]]);
+                    [...this.props.renderedIds, doc[Id]], this.props.libraryPath, this.props.onCheckedClick);
             } else {
                 contentElement = <EditableView
                     key="editableView"
@@ -294,7 +296,7 @@ class TreeView extends React.Component<TreeViewProps> {
                     height={13}
                     fontSize={12}
                     GetValue={() => Field.toKeyValueString(doc, key)}
-                    SetValue={(value: string) => KeyValueBox.SetField(doc, key, value)} />;
+                    SetValue={(value: string) => KeyValueBox.SetField(doc, key, value, true)} />;
             }
             rows.push(<div style={{ display: "flex" }} key={key}>
                 <span style={{ fontWeight: "bold" }}>{key + ":"}</span>
@@ -302,6 +304,18 @@ class TreeView extends React.Component<TreeViewProps> {
                 {contentElement}
             </div>);
         }
+        rows.push(<div style={{ display: "flex" }} key={"newKeyValue"}>
+            <EditableView
+                key="editableView"
+                contents={"+key:value"}
+                height={13}
+                fontSize={12}
+                GetValue={() => ""}
+                SetValue={(value: string) => {
+                    value.indexOf(":") !== -1 && KeyValueBox.SetField(doc, value.substring(0, value.indexOf(":")), value.substring(value.indexOf(":") + 1, value.length), true);
+                    return true;
+                }} />
+        </div>);
         return rows;
     }
 
@@ -319,7 +333,7 @@ class TreeView extends React.Component<TreeViewProps> {
                         this.templateDataDoc, expandKey, this.props.containingCollection, this.props.prevSibling, addDoc, remDoc, this.move,
                         this.props.dropAction, this.props.addDocTab, this.props.pinToPres, this.props.ScreenToLocalTransform,
                         this.props.outerXf, this.props.active, this.props.panelWidth, this.props.ChromeHeight, this.props.renderDepth, this.props.hideHeaderFields, this.props.preventTreeViewOpen,
-                        [...this.props.renderedIds, this.props.document[Id]])}
+                        [...this.props.renderedIds, this.props.document[Id]], this.props.libraryPath, this.props.onCheckedClick)}
             </ul >;
         } else if (this.treeViewExpandedView === "fields") {
             return <ul><div ref={this._dref} style={{ display: "inline-block" }} key={this.props.document[Id] + this.props.document.title}>
@@ -331,7 +345,8 @@ class TreeView extends React.Component<TreeViewProps> {
                 <ContentFittingDocumentView
                     Document={layoutDoc}
                     DataDocument={this.templateDataDoc}
-                    renderDepth={this.props.renderDepth}
+                    LibraryPath={emptyPath}
+                    renderDepth={this.props.renderDepth + 1}
                     showOverlays={this.noOverlays}
                     ruleProvider={this.props.document.isRuleProvider && layoutDoc.type !== DocumentType.TEXT ? this.props.document : this.props.ruleProvider}
                     fitToBox={this.boundsOfCollectionDocument !== undefined}
@@ -346,16 +361,31 @@ class TreeView extends React.Component<TreeViewProps> {
                     active={this.props.active}
                     whenActiveChanged={emptyFunction}
                     addDocTab={this.props.addDocTab}
-                    pinToPres={this.props.pinToPres}
-                    setPreviewScript={emptyFunction} />
+                    pinToPres={this.props.pinToPres} />
             </div>;
         }
     }
 
+    @action
+    bulletClick = (e: React.MouseEvent) => {
+        if (this.props.onCheckedClick) {
+            this.props.document.treeViewChecked = this.props.document.treeViewChecked === "check" ? "x" : this.props.document.treeViewChecked === "x" ? undefined : "check";
+            ScriptCast(this.props.onCheckedClick).script.run({
+                this: this.props.document.isTemplateField && this.props.dataDoc ? this.props.dataDoc : this.props.document,
+                heading: this.props.containingCollection.title,
+                checked: this.props.document.treeViewChecked === "check" ? false : this.props.document.treeViewChecked === "x" ? "x" : "none"
+            }, console.log);
+        } else {
+            this.treeViewOpen = !this.treeViewOpen;
+        }
+        e.stopPropagation();
+    }
+
     @computed
     get renderBullet() {
-        return <div className="bullet" title="view inline" onClick={action((e: React.MouseEvent) => { this.treeViewOpen = !this.treeViewOpen; e.stopPropagation(); })} style={{ color: StrCast(this.props.document.color, "black"), opacity: 0.4 }}>
-            {<FontAwesomeIcon icon={!this.treeViewOpen ? (this.childDocs ? "caret-square-right" : "caret-right") : (this.childDocs ? "caret-square-down" : "caret-down")} />}
+        const checked = this.props.onCheckedClick ? (this.props.document.treeViewChecked ? this.props.document.treeViewChecked : "unchecked") : undefined;
+        return <div className="bullet" title="view inline" onClick={this.bulletClick} style={{ color: StrCast(this.props.document.color, checked === "unchecked" ? "white" : "black"), opacity: 0.4 }}>
+            {<FontAwesomeIcon icon={checked === "check" ? "check" : (checked === "x" ? "times" : checked === "unchecked" ? "square" : !this.treeViewOpen ? (this.childDocs ? "caret-square-right" : "caret-right") : (this.childDocs ? "caret-square-down" : "caret-down"))} />}
         </div>;
     }
     /**
@@ -386,8 +416,8 @@ class TreeView extends React.Component<TreeViewProps> {
             <div className="docContainer" title="click to edit title" id={`docContainer-${this.props.parentKey}`} ref={reference} onPointerDown={onItemDown}
                 style={{
                     color: this.props.document.isMinimized ? "red" : "black",
-                    background: Doc.IsBrushed(this.props.document) ? "#06121212" : "0",
-                    fontWeight: this.props.document.search_string ? "bold" : undefined,
+                    background: Doc.IsHighlighted(this.props.document) ? "orange" : Doc.IsBrushed(this.props.document) ? "#06121212" : "0",
+                    fontWeight: this.props.document.searchMatch ? "bold" : undefined,
                     outline: BoolCast(this.props.document.workspaceBrush) ? "dashed 1px #06123232" : undefined,
                     pointerEvents: this.props.active() || SelectionManager.GetIsDragging() ? "all" : "none"
                 }} >
@@ -399,6 +429,7 @@ class TreeView extends React.Component<TreeViewProps> {
     }
 
     render() {
+        setTimeout(() => runInAction(() => untracked(() => this._overrideTreeViewOpen = this.treeViewOpen)), 0);
         return <div className="treeViewItem-container" ref={this.createTreeDropTarget} onContextMenu={this.onWorkspaceContextMenu}>
             <li className="collection-child">
                 <div className="treeViewItem-header" ref={this._header} onPointerEnter={this.onPointerEnter} onPointerLeave={this.onPointerLeave}>
@@ -433,7 +464,9 @@ class TreeView extends React.Component<TreeViewProps> {
         renderDepth: number,
         hideHeaderFields: () => boolean,
         preventTreeViewOpen: boolean,
-        renderedIds: string[]
+        renderedIds: string[],
+        libraryPath: Doc[] | undefined,
+        onCheckedClick: ScriptField | undefined
     ) {
         const viewSpecScript = Cast(containingCollection.viewSpecScript, ScriptField);
         if (viewSpecScript) {
@@ -487,9 +520,9 @@ class TreeView extends React.Component<TreeViewProps> {
             }
 
             const indent = i === 0 ? undefined : () => {
-                if (StrCast(docs[i - 1].layout).indexOf("fieldKey") !== -1) {
-                    const fieldKeysub = StrCast(docs[i - 1].layout).split("fieldKey")[1];
-                    const fieldKey = fieldKeysub.split("\"")[1];
+                if (StrCast(docs[i - 1].layout).indexOf('fieldKey') !== -1) {
+                    const fieldKeysub = StrCast(docs[i - 1].layout).split('fieldKey')[1];
+                    const fieldKey = fieldKeysub.split("\'")[1];
                     if (fieldKey && Cast(docs[i - 1][fieldKey], listSpec(Doc)) !== undefined) {
                         Doc.AddDocToList(docs[i - 1], fieldKey, child);
                         docs[i - 1].treeViewOpen = true;
@@ -498,9 +531,9 @@ class TreeView extends React.Component<TreeViewProps> {
                 }
             };
             const outdent = !parentCollectionDoc ? undefined : () => {
-                if (StrCast(parentCollectionDoc.layout).indexOf("fieldKey") !== -1) {
-                    const fieldKeysub = StrCast(parentCollectionDoc.layout).split("fieldKey")[1];
-                    const fieldKey = fieldKeysub.split("\"")[1];
+                if (StrCast(parentCollectionDoc.layout).indexOf('fieldKey') !== -1) {
+                    const fieldKeysub = StrCast(parentCollectionDoc.layout).split('fieldKey')[1];
+                    const fieldKey = fieldKeysub.split("\'")[1];
                     Doc.AddDocToList(parentCollectionDoc, fieldKey, child, parentPrevSibling, false);
                     parentCollectionDoc.treeViewOpen = true;
                     remove(child);
@@ -517,6 +550,7 @@ class TreeView extends React.Component<TreeViewProps> {
             return !(child instanceof Doc) ? (null) : <TreeView
                 document={pair.layout}
                 dataDoc={pair.data}
+                libraryPath={libraryPath ? [...libraryPath, containingCollection] : undefined}
                 containingCollection={containingCollection}
                 prevSibling={docs[i]}
                 treeViewId={treeViewId}
@@ -524,6 +558,7 @@ class TreeView extends React.Component<TreeViewProps> {
                 key={child[Id]}
                 indentDocument={indent}
                 outdentDocument={outdent}
+                onCheckedClick={onCheckedClick}
                 renderDepth={renderDepth}
                 deleteDoc={remove}
                 addDocument={addDocument}
@@ -555,7 +590,7 @@ export class CollectionTreeView extends CollectionSubView(Document) {
     protected createTreeDropTarget = (ele: HTMLDivElement) => {
         this.treedropDisposer && this.treedropDisposer();
         if (this._mainEle = ele) {
-            this.treedropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.drop.bind(this) } });
+            this.treedropDisposer = DragManager.MakeDropTarget(ele, this.drop.bind(this));
         }
     }
 
@@ -592,6 +627,10 @@ export class CollectionTreeView extends CollectionSubView(Document) {
             layoutItems.push({ description: (this.props.Document.hideHeaderFields ? "Show" : "Hide") + " Header Fields", event: () => this.props.Document.hideHeaderFields = !this.props.Document.hideHeaderFields, icon: "paint-brush" });
             ContextMenu.Instance.addItem({ description: "Treeview Options ...", subitems: layoutItems, icon: "eye" });
         }
+        const existingOnClick = ContextMenu.Instance.findByDescription("OnClick...");
+        const onClicks: ContextMenuProps[] = existingOnClick && "subitems" in existingOnClick ? existingOnClick.subitems : [];
+        onClicks.push({ description: "Edit onChecked Script", icon: "edit", event: (obj: any) => ScriptBox.EditButtonScript("On Checked Changed ...", this.props.Document, "onCheckedClick", obj.x, obj.y, { heading: "boolean", checked: "boolean" }) });
+        !existingOnClick && ContextMenu.Instance.addItem({ description: "OnClick...", subitems: onClicks, icon: "hand-point-right" });
     }
     outerXf = () => Utils.GetScreenTransform(this._mainEle!);
     onTreeDrop = (e: React.DragEvent) => this.onDrop(e, {});
@@ -608,10 +647,10 @@ export class CollectionTreeView extends CollectionSubView(Document) {
     render() {
         const dropAction = StrCast(this.props.Document.dropAction) as dropActionType;
         const addDoc = (doc: Doc, relativeTo?: Doc, before?: boolean) => Doc.AddDocToList(this.props.Document, this.props.fieldKey, doc, relativeTo, before, false, false, false);
-        const moveDoc = (d: Doc, target: Doc, addDoc: (doc: Doc) => boolean) => this.props.moveDocument(d, target, addDoc);
+        const moveDoc = (d: Doc, target: Doc | undefined, addDoc: (doc: Doc) => boolean) => this.props.moveDocument(d, target, addDoc);
         return !this.childDocs ? (null) : (
-            <div id="body" className="collectionTreeView-dropTarget"
-                style={{ overflow: "auto", background: StrCast(this.props.Document.backgroundColor, "lightgray"), paddingTop: `${NumCast(this.props.Document.yMargin, 20)}px` }}
+            <div className="collectionTreeView-dropTarget" id="body"
+                style={{ background: StrCast(this.props.Document.backgroundColor, "lightgray"), paddingTop: `${NumCast(this.props.Document.yMargin, 20)}px` }}
                 onContextMenu={this.onContextMenu}
                 onWheel={(e: React.WheelEvent) => this._mainEle && this._mainEle.scrollHeight > this._mainEle.clientHeight && e.stopPropagation()}
                 onDrop={this.onTreeDrop}
@@ -636,7 +675,7 @@ export class CollectionTreeView extends CollectionSubView(Document) {
                         TreeView.GetChildElements(this.childDocs, this.props.Document[Id], this.props.Document, this.props.DataDoc, this.props.fieldKey, this.props.ContainingCollectionDoc, undefined, addDoc, this.remove,
                             moveDoc, dropAction, this.props.addDocTab, this.props.pinToPres, this.props.ScreenToLocalTransform,
                             this.outerXf, this.props.active, this.props.PanelWidth, this.props.ChromeHeight, this.props.renderDepth, () => BoolCast(this.props.Document.hideHeaderFields),
-                            BoolCast(this.props.Document.preventTreeViewOpen), [])
+                            BoolCast(this.props.Document.preventTreeViewOpen), [], this.props.LibraryPath, ScriptCast(this.props.Document.onCheckedClick))
                     }
                 </ul>
             </div >
diff --git a/src/client/views/collections/CollectionView.scss b/src/client/views/collections/CollectionView.scss
index e4187e4d6..1c46081a1 100644
--- a/src/client/views/collections/CollectionView.scss
+++ b/src/client/views/collections/CollectionView.scss
@@ -9,7 +9,7 @@
     border-radius: inherit;
     width: 100%;
     height: 100%;
-    overflow: auto;
+    overflow: hidden; // bcz: used to be 'auto' which would create scrollbars when there's a floating doc that's not visible. not sure if that's better, but the scrollbars are annoying...
 }
 
 #google-tags {
diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 54f5a2c42..21371dd39 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -32,6 +32,11 @@ import { SelectionManager } from '../../util/SelectionManager';
 import './CollectionView.scss';
 import { FieldViewProps, FieldView } from '../nodes/FieldView';
 import { Touchable } from '../Touchable';
+import { TraceMobx } from '../../../new_fields/util';
+import { Utils } from '../../../Utils';
+import { ScriptBox } from '../ScriptBox';
+import CollectionMulticolumnView from '../CollectionMulticolumnView';
+const path = require('path');
 library.add(faTh, faTree, faSquare, faProjectDiagram, faSignature, faThList, faFingerprint, faColumns, faEllipsisV, faImage, faEye as any, faCopy);
 
 export enum CollectionViewType {
@@ -44,7 +49,8 @@ export enum CollectionViewType {
     Masonry,
     Pivot,
     Linear,
-    Staff
+    Staff,
+    Multicolumn
 }
 
 export namespace CollectionViewType {
@@ -57,7 +63,8 @@ export namespace CollectionViewType {
         ["stacking", CollectionViewType.Stacking],
         ["masonry", CollectionViewType.Masonry],
         ["pivot", CollectionViewType.Pivot],
-        ["linear", CollectionViewType.Linear]
+        ["linear", CollectionViewType.Linear],
+        ["multicolumn", CollectionViewType.Multicolumn]
     ]);
 
     export const valueOf = (value: string) => stringMapping.get(value.toLowerCase());
@@ -66,7 +73,7 @@ export namespace CollectionViewType {
 export interface CollectionRenderProps {
     addDocument: (document: Doc) => boolean;
     removeDocument: (document: Doc) => boolean;
-    moveDocument: (document: Doc, targetCollection: Doc, addDocument: (document: Doc) => boolean) => boolean;
+    moveDocument: (document: Doc, targetCollection: Doc | undefined, addDocument: (document: Doc) => boolean) => boolean;
     active: () => boolean;
     whenActiveChanged: (isActive: boolean) => void;
 }
@@ -148,7 +155,7 @@ export class CollectionView extends Touchable<FieldViewProps> {
     // otherwise, the document being moved must be able to be removed from its container before
     // moving it into the target.  
     @action.bound
-    moveDocument(doc: Doc, targetCollection: Doc, addDocument: (doc: Doc) => boolean): boolean {
+    moveDocument(doc: Doc, targetCollection: Doc | undefined, addDocument: (doc: Doc) => boolean): boolean {
         if (Doc.AreProtosEqual(this.props.Document, targetCollection)) {
             return true;
         }
@@ -169,6 +176,7 @@ export class CollectionView extends Touchable<FieldViewProps> {
             case CollectionViewType.Docking: return (<CollectionDockingView key="collview" {...props} />);
             case CollectionViewType.Tree: return (<CollectionTreeView key="collview" {...props} />);
             case CollectionViewType.Staff: return (<CollectionStaffView chromeCollapsed={true} key="collview" {...props} ChromeHeight={this.chromeHeight} CollectionView={this} />);
+            case CollectionViewType.Multicolumn: return (<CollectionMulticolumnView chromeCollapsed={true} key="collview" {...props} ChromeHeight={this.chromeHeight} CollectionView={this} />);
             case CollectionViewType.Linear: { return (<CollectionLinearView key="collview" {...props} />); }
             case CollectionViewType.Stacking: { this.props.Document.singleColumn = true; return (<CollectionStackingView key="collview" {...props} />); }
             case CollectionViewType.Masonry: { this.props.Document.singleColumn = false; return (<CollectionStackingView key="collview" {...props} />); }
@@ -210,6 +218,7 @@ export class CollectionView extends Touchable<FieldViewProps> {
                 }, icon: "ellipsis-v"
             });
             subItems.push({ description: "Staff", event: () => this.props.Document.viewType = CollectionViewType.Staff, icon: "music" });
+            subItems.push({ description: "Multicolumn", event: () => this.props.Document.viewType = CollectionViewType.Multicolumn, icon: "columns" });
             subItems.push({ description: "Masonry", event: () => this.props.Document.viewType = CollectionViewType.Masonry, icon: "columns" });
             subItems.push({ description: "Pivot", event: () => this.props.Document.viewType = CollectionViewType.Pivot, icon: "columns" });
             switch (this.props.Document.viewType) {
@@ -230,19 +239,32 @@ export class CollectionView extends Touchable<FieldViewProps> {
             const moreItems = more && "subitems" in more ? more.subitems : [];
             moreItems.push({ description: "Export Image Hierarchy", icon: "columns", event: () => ImageUtils.ExportHierarchyToFileSystem(this.props.Document) });
             !more && ContextMenu.Instance.addItem({ description: "More...", subitems: moreItems, icon: "hand-point-right" });
+
+            const existingOnClick = ContextMenu.Instance.findByDescription("OnClick...");
+            const onClicks = existingOnClick && "subitems" in existingOnClick ? existingOnClick.subitems : [];
+            onClicks.push({ description: "Edit onChildClick script", icon: "edit", event: (obj: any) => ScriptBox.EditButtonScript("On Child Clicked...", this.props.Document, "onChildClick", obj.x, obj.y) });
+            !existingOnClick && ContextMenu.Instance.addItem({ description: "OnClick...", subitems: onClicks, icon: "hand-point-right" });
         }
     }
 
     lightbox = (images: string[]) => {
+        if (!images.length) return (null);
+        const mainPath = path.extname(images[this._curLightboxImg]);
+        const nextPath = path.extname(images[(this._curLightboxImg + 1) % images.length]);
+        const prevPath = path.extname(images[(this._curLightboxImg + images.length - 1) % images.length]);
+        const main = images[this._curLightboxImg].replace(mainPath, "_o" + mainPath);
+        const next = images[(this._curLightboxImg + 1) % images.length].replace(nextPath, "_o" + nextPath);
+        const prev = images[(this._curLightboxImg + images.length - 1) % images.length].replace(prevPath, "_o" + prevPath);
         return !this._isLightboxOpen ? (null) : (<Lightbox key="lightbox"
-            mainSrc={images[this._curLightboxImg]}
-            nextSrc={images[(this._curLightboxImg + 1) % images.length]}
-            prevSrc={images[(this._curLightboxImg + images.length - 1) % images.length]}
+            mainSrc={main}
+            nextSrc={next}
+            prevSrc={prev}
             onCloseRequest={action(() => this._isLightboxOpen = false)}
             onMovePrevRequest={action(() => this._curLightboxImg = (this._curLightboxImg + images.length - 1) % images.length)}
             onMoveNextRequest={action(() => this._curLightboxImg = (this._curLightboxImg + 1) % images.length)} />);
     }
     render() {
+        TraceMobx();
         const props: CollectionRenderProps = {
             addDocument: this.addDocument,
             removeDocument: this.removeDocument,
@@ -258,7 +280,12 @@ export class CollectionView extends Touchable<FieldViewProps> {
             onContextMenu={this.onContextMenu}>
             {this.showIsTagged()}
             {this.collectionViewType !== undefined ? this.SubView(this.collectionViewType, props) : (null)}
-            {this.lightbox(DocListCast(this.props.Document[this.props.fieldKey]).filter(d => d.type === DocumentType.IMG).map(d => Cast(d.data, ImageField) ? Cast(d.data, ImageField)!.url.href : ""))}
+            {this.lightbox(DocListCast(this.props.Document[this.props.fieldKey]).filter(d => d.type === DocumentType.IMG).map(d =>
+                Cast(d.data, ImageField) ?
+                    (Cast(d.data, ImageField)!.url.href.indexOf(window.location.origin) === -1) ?
+                        Utils.CorsProxy(Cast(d.data, ImageField)!.url.href) : Cast(d.data, ImageField)!.url.href
+                    :
+                    ""))}
         </div>);
     }
 }
\ No newline at end of file
diff --git a/src/client/views/collections/CollectionViewChromes.tsx b/src/client/views/collections/CollectionViewChromes.tsx
index 4161e5d6e..996c7671e 100644
--- a/src/client/views/collections/CollectionViewChromes.tsx
+++ b/src/client/views/collections/CollectionViewChromes.tsx
@@ -217,7 +217,12 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
             `(${keyRestrictionScript}) ${dateRestrictionScript.length ? "&&" : ""} ${dateRestrictionScript}` :
             "true";
 
-        this.props.CollectionView.props.Document.viewSpecScript = ScriptField.MakeFunction(fullScript, { doc: Doc.name });
+        const docFilter = Cast(this.props.CollectionView.props.Document.docFilter, listSpec("string"), []);
+        const docFilterText = Doc.MakeDocFilter(docFilter);
+        const finalScript = docFilterText && !fullScript.startsWith("(())") ? `${fullScript} ${docFilterText ? "&&" : ""} (${docFilterText})` :
+            docFilterText ? docFilterText : fullScript;
+
+        this.props.CollectionView.props.Document.viewSpecScript = ScriptField.MakeFunction(finalScript, { doc: Doc.name });
     }
 
     @action
@@ -288,15 +293,15 @@ export class CollectionViewBaseChrome extends React.Component<CollectionViewChro
     protected createDropTarget = (ele: HTMLDivElement) => {
         this.dropDisposer && this.dropDisposer();
         if (ele) {
-            this.dropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.drop.bind(this) } });
+            this.dropDisposer = DragManager.MakeDropTarget(ele, this.drop.bind(this));
         }
     }
 
     @undoBatch
     @action
     protected drop(e: Event, de: DragManager.DropEvent): boolean {
-        if (de.data instanceof DragManager.DocumentDragData && de.data.draggedDocuments.length) {
-            this._buttonizableCommands.filter(c => c.title === this._currentKey).map(c => c.immediate(de.data.draggedDocuments));
+        if (de.complete.docDragData && de.complete.docDragData.draggedDocuments.length) {
+            this._buttonizableCommands.filter(c => c.title === this._currentKey).map(c => c.immediate(de.complete.docDragData?.draggedDocuments || []));
             e.stopPropagation();
         }
         return true;
diff --git a/src/client/views/collections/ParentDocumentSelector.scss b/src/client/views/collections/ParentDocumentSelector.scss
index aa25a900c..d293bb5ca 100644
--- a/src/client/views/collections/ParentDocumentSelector.scss
+++ b/src/client/views/collections/ParentDocumentSelector.scss
@@ -1,14 +1,25 @@
-.PDS-flyout {
-    position: absolute;
+.parentDocumentSelector-linkFlyout {
+    div {
+        overflow: visible !important;
+    }
+    .metadataEntry-outerDiv {
+        overflow: hidden !important;
+        pointer-events: all;
+    }
+}
+.parentDocumentSelector-flyout {
+    position: relative;
     z-index: 9999;
     background-color: #eeeeee;
     box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
-    min-width: 150px;
     color: black;
-    top: 12px;
 
     padding: 10px;
     border-radius: 3px;
+    display: inline-block;
+    height: 100%;
+    width: 100%;
+    border-radius: 3px;
 
     hr {
         height: 1px;
@@ -21,7 +32,11 @@
     }
 }
 .parentDocumentSelector-button {
-    pointer-events: all;
+    pointer-events: all; 
+    position: relative;
+    display: inline-block;
+    padding-left: 5px;
+    padding-right: 5px;
 }
 .parentDocumentSelector-metadata {
     pointer-events: auto;
@@ -30,6 +45,9 @@
     display: inline-block;
 }
 .buttonSelector {
+    div {
+        overflow: visible !important;
+    }
     position: absolute; 
     display: inline-block; 
     padding-left: 5px; 
diff --git a/src/client/views/collections/ParentDocumentSelector.tsx b/src/client/views/collections/ParentDocumentSelector.tsx
index 75ee8de32..24aa6ddfa 100644
--- a/src/client/views/collections/ParentDocumentSelector.tsx
+++ b/src/client/views/collections/ParentDocumentSelector.tsx
@@ -11,7 +11,7 @@ import { CollectionViewType } from "./CollectionView";
 import { DocumentButtonBar } from "../DocumentButtonBar";
 import { DocumentManager } from "../../util/DocumentManager";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { faEdit } from "@fortawesome/free-solid-svg-icons";
+import { faEdit, faChevronCircleUp } from "@fortawesome/free-solid-svg-icons";
 import { library } from "@fortawesome/fontawesome-svg-core";
 import { MetadataEntryMenu } from "../MetadataEntryMenu";
 import { DocumentView } from "../nodes/DocumentView";
@@ -80,35 +80,20 @@ export class SelectorContextMenu extends React.Component<SelectorProps> {
 
 @observer
 export class ParentDocSelector extends React.Component<SelectorProps> {
-    @observable hover = false;
-
-    @action
-    onMouseLeave = () => {
-        this.hover = false;
-    }
-
-    @action
-    onMouseEnter = () => {
-        this.hover = true;
-    }
-
     render() {
-        let flyout;
-        if (this.hover) {
-            flyout = (
-                <div className="PDS-flyout" title=" ">
-                    <SelectorContextMenu {...this.props} />
-                </div>
-            );
-        }
-        return (
-            <span className="parentDocumentSelector-button" style={{ position: "relative", display: "inline-block", paddingLeft: "5px", paddingRight: "5px" }}
-                onMouseEnter={this.onMouseEnter}
-                onMouseLeave={this.onMouseLeave}>
-                <p>^</p>
-                {flyout}
-            </span>
+        const flyout = (
+            <div className="parentDocumentSelector-flyout" style={{}} title=" ">
+                <SelectorContextMenu {...this.props} />
+            </div>
         );
+        return <div title="Tap to View Contexts/Metadata" onPointerDown={e => e.stopPropagation()} className="parentDocumentSelector-linkFlyout">
+            <Flyout anchorPoint={anchorPoints.LEFT_TOP}
+                content={flyout}>
+                <span className="parentDocumentSelector-button" >
+                    <FontAwesomeIcon icon={faChevronCircleUp} size={"lg"} />
+                </span>
+            </Flyout>
+        </div>;
     }
 }
 
@@ -117,32 +102,31 @@ export class ButtonSelector extends React.Component<{ Document: Doc, Stack: any
     @observable hover = false;
 
     @action
-    onMouseLeave = () => {
-        this.hover = false;
+    onPointerDown = (e: React.PointerEvent) => {
+        this.hover = !this.hover;
+        e.stopPropagation();
     }
-
-    @action
-    onMouseEnter = () => {
-        this.hover = true;
+    customStylesheet(styles: any) {
+        return {
+            ...styles,
+            panel: {
+                ...styles.panel,
+                minWidth: "100px"
+            },
+        };
     }
 
     render() {
-        let flyout;
-        if (this.hover) {
-            const view = DocumentManager.Instance.getDocumentView(this.props.Document);
-            flyout = !view ? (null) : (
-                <div className="PDS-flyout" title=" " onMouseLeave={this.onMouseLeave}>
-                    <DocumentButtonBar views={[view]} stack={this.props.Stack} />
-                </div>
-            );
-        }
-        return (
-            <span className="buttonSelector"
-                onMouseEnter={this.onMouseEnter}
-                onMouseLeave={this.onMouseLeave}>
-                {this.hover ? (null) : <FontAwesomeIcon icon={faEdit} size={"sm"} />}
-                {flyout}
-            </span>
+        const view = DocumentManager.Instance.getDocumentView(this.props.Document);
+        const flyout = (
+            <div className="ParentDocumentSelector-flyout" title=" ">
+                <DocumentButtonBar views={[view]} stack={this.props.Stack} />
+            </div>
         );
+        return <span title="Tap for menu" onPointerDown={e => e.stopPropagation()} className="buttonSelector">
+            <Flyout anchorPoint={anchorPoints.LEFT_TOP} content={flyout} stylesheet={this.customStylesheet}>
+                <FontAwesomeIcon icon={faEdit} size={"sm"} />
+            </Flyout>
+        </span>;
     }
 }
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLayoutEngines.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLayoutEngines.tsx
index 012115b1f..8c8da63cc 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLayoutEngines.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLayoutEngines.tsx
@@ -44,7 +44,7 @@ function toLabel(target: FieldResult<Field>) {
     return String(target);
 }
 
-export function computePivotLayout(poolData: ObservableMap<string, any>, pivotDoc: Doc, childDocs: Doc[], childPairs: { layout: Doc, data?: Doc }[], viewDefsToJSX: (views: any) => ViewDefResult[]) {
+export function computePivotLayout(poolData: ObservableMap<string, any>, pivotDoc: Doc, childDocs: Doc[], childPairs: { layout: Doc, data?: Doc }[], panelDim: number[], viewDefsToJSX: (views: any) => ViewDefResult[]) {
     const pivotAxisWidth = NumCast(pivotDoc.pivotWidth, 200);
     const pivotColumnGroups = new Map<FieldResult<Field>, Doc[]>();
 
@@ -57,9 +57,14 @@ export function computePivotLayout(poolData: ObservableMap<string, any>, pivotDo
     }
 
     const minSize = Array.from(pivotColumnGroups.entries()).reduce((min, pair) => Math.min(min, pair[1].length), Infinity);
-    const numCols = NumCast(pivotDoc.pivotNumColumns, Math.ceil(Math.sqrt(minSize)));
+    let numCols = NumCast(pivotDoc.pivotNumColumns, Math.ceil(Math.sqrt(minSize)));
     const docMap = new Map<Doc, ViewDefBounds>();
     const groupNames: PivotData[] = [];
+    if (panelDim[0] < 2500) numCols = Math.min(5, numCols);
+    if (panelDim[0] < 2000) numCols = Math.min(4, numCols);
+    if (panelDim[0] < 1400) numCols = Math.min(3, numCols);
+    if (panelDim[0] < 1000) numCols = Math.min(2, numCols);
+    if (panelDim[0] < 600) numCols = 1;
 
     const expander = 1.05;
     const gap = .15;
@@ -73,7 +78,7 @@ export function computePivotLayout(poolData: ObservableMap<string, any>, pivotDo
             x,
             y: pivotAxisWidth + 50,
             width: pivotAxisWidth * expander * numCols,
-            height: 100,
+            height: NumCast(pivotDoc.pivotFontSize, 10),
             fontSize: NumCast(pivotDoc.pivotFontSize, 10)
         });
         for (const doc of val) {
@@ -85,14 +90,14 @@ export function computePivotLayout(poolData: ObservableMap<string, any>, pivotDo
                 wid = layoutDoc.nativeHeight ? (NumCast(layoutDoc.nativeWidth) / NumCast(layoutDoc.nativeHeight)) * pivotAxisWidth : pivotAxisWidth;
             }
             docMap.set(doc, {
-                x: x + xCount * pivotAxisWidth * expander + (pivotAxisWidth - wid) / 2,
+                x: x + xCount * pivotAxisWidth * expander + (pivotAxisWidth - wid) / 2 + (val.length < numCols ? (numCols - val.length) * pivotAxisWidth / 2 : 0),
                 y: -y,
                 width: wid,
                 height: hgt
             });
             xCount++;
             if (xCount >= numCols) {
-                xCount = (pivotAxisWidth - wid) / 2;
+                xCount = 0;
                 y += pivotAxisWidth * expander;
             }
         }
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
index 5e4b4fd27..b8fbaef5c 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinkView.tsx
@@ -8,6 +8,7 @@ import v5 = require("uuid/v5");
 import { DocumentType } from "../../../documents/DocumentTypes";
 import { observable, action, reaction, IReactionDisposer } from "mobx";
 import { StrCast } from "../../../../new_fields/Types";
+import { Id } from "../../../../new_fields/FieldSymbols";
 
 export interface CollectionFreeFormLinkViewProps {
     A: DocumentView;
@@ -21,7 +22,7 @@ export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFo
     _anchorDisposer: IReactionDisposer | undefined;
     @action
     componentDidMount() {
-        this._anchorDisposer = reaction(() => [this.props.A.props.ScreenToLocalTransform(), this.props.B.props.ScreenToLocalTransform()],
+        this._anchorDisposer = reaction(() => [this.props.A.props.ScreenToLocalTransform(), this.props.B.props.ScreenToLocalTransform(), this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document), this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document)],
             action(() => {
                 setTimeout(action(() => this._opacity = 1), 0); // since the render code depends on querying the Dom through getBoudndingClientRect, we need to delay triggering render()
                 setTimeout(action(() => this._opacity = 0.05), 750); // this will unhighlight the link line.
@@ -41,10 +42,36 @@ export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFo
                     apt.point.x, apt.point.y);
                 const afield = StrCast(this.props.A.props.Document[StrCast(this.props.A.props.layoutKey, "layout")]).indexOf("anchor1") === -1 ? "anchor2" : "anchor1";
                 const bfield = afield === "anchor1" ? "anchor2" : "anchor1";
-                this.props.A.props.Document[afield + "_x"] = (apt.point.x - abounds.left) / abounds.width * 100;
-                this.props.A.props.Document[afield + "_y"] = (apt.point.y - abounds.top) / abounds.height * 100;
-                this.props.A.props.Document[bfield + "_x"] = (bpt.point.x - bbounds.left) / bbounds.width * 100;
-                this.props.A.props.Document[bfield + "_y"] = (bpt.point.y - bbounds.top) / bbounds.height * 100;
+
+                // really hacky stuff to make the DocuLinkBox display where we want it to:
+                //   if there's an element in the DOM with the id of the opposite anchor, then that DOM element is a hyperlink source for the current anchor and we want to place our link box at it's top right
+                //   otherwise, we just use the computed nearest point on the document boundary to the target Document
+                const targetAhyperlink = window.document.getElementById((this.props.LinkDocs[0][afield] as Doc)[Id]);
+                const targetBhyperlink = window.document.getElementById((this.props.LinkDocs[0][bfield] as Doc)[Id]);
+                if (!targetBhyperlink) {
+                    this.props.A.props.Document[afield + "_x"] = (apt.point.x - abounds.left) / abounds.width * 100;
+                    this.props.A.props.Document[afield + "_y"] = (apt.point.y - abounds.top) / abounds.height * 100;
+                } else {
+                    setTimeout(() => {
+                        (this.props.A.props.Document[(this.props.A.props as any).fieldKey] as Doc);
+                        const m = targetBhyperlink.getBoundingClientRect();
+                        const mp = this.props.A.props.ScreenToLocalTransform().transformPoint(m.right, m.top + 5);
+                        this.props.A.props.Document[afield + "_x"] = mp[0] / this.props.A.props.PanelWidth() * 100;
+                        this.props.A.props.Document[afield + "_y"] = mp[1] / this.props.A.props.PanelHeight() * 100;
+                    }, 0);
+                }
+                if (!targetAhyperlink) {
+                    this.props.A.props.Document[bfield + "_x"] = (bpt.point.x - bbounds.left) / bbounds.width * 100;
+                    this.props.A.props.Document[bfield + "_y"] = (bpt.point.y - bbounds.top) / bbounds.height * 100;
+                } else {
+                    setTimeout(() => {
+                        (this.props.B.props.Document[(this.props.B.props as any).fieldKey] as Doc);
+                        const m = targetAhyperlink.getBoundingClientRect();
+                        const mp = this.props.B.props.ScreenToLocalTransform().transformPoint(m.right, m.top + 5);
+                        this.props.B.props.Document[afield + "_x"] = mp[0] / this.props.B.props.PanelWidth() * 100;
+                        this.props.B.props.Document[afield + "_y"] = mp[1] / this.props.B.props.PanelHeight() * 100;
+                    }, 0);
+                }
             })
             , { fireImmediately: true });
     }
@@ -66,9 +93,12 @@ export class CollectionFreeFormLinkView extends React.Component<CollectionFreeFo
             apt.point.x, apt.point.y);
         const pt1 = [apt.point.x, apt.point.y];
         const pt2 = [bpt.point.x, bpt.point.y];
-        return (<line key="linkLine" className="collectionfreeformlinkview-linkLine"
-            style={{ opacity: this._opacity }}
-            x1={`${pt1[0]}`} y1={`${pt1[1]}`}
-            x2={`${pt2[0]}`} y2={`${pt2[1]}`} />);
+        const aActive = this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document);
+        const bActive = this.props.A.isSelected() || Doc.IsBrushed(this.props.A.props.Document);
+        return !aActive && !bActive ? (null) :
+            <line key="linkLine" className="collectionfreeformlinkview-linkLine"
+                style={{ opacity: this._opacity, strokeDasharray: "2 2" }}
+                x1={`${pt1[0]}`} y1={`${pt1[1]}`}
+                x2={`${pt2[0]}`} y2={`${pt2[1]}`} />;
     }
 }
\ No newline at end of file
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
index 218012fe1..044d35eca 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormLinksView.tsx
@@ -91,13 +91,11 @@ export class CollectionFreeFormLinksView extends React.Component {
     }
 
     render() {
-        return (
-            <div className="collectionfreeformlinksview-container">
-                <svg className="collectionfreeformlinksview-svgCanvas">
-                    {SelectionManager.GetIsDragging() ? (null) : this.uniqueConnections}
-                </svg>
-                {this.props.children}
-            </div>
-        );
+        return <div className="collectionfreeformlinksview-container">
+            <svg className="collectionfreeformlinksview-svgCanvas">
+                {SelectionManager.GetIsDragging() ? (null) : this.uniqueConnections}
+            </svg>
+            {this.props.children}
+        </div>;
     }
 }
\ No newline at end of file
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.scss b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.scss
index 070d4aa65..58fb81453 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.scss
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.scss
@@ -28,6 +28,21 @@
     // touch action none means that the browser will handle none of the touch actions. this allows us to implement our own actions.
     touch-action: none;
 
+    .collectionfreeformview-placeholder {
+        background: gray;
+        width: 100%;
+        height: 100%;
+        display: flex;
+        align-items: center;
+        .collectionfreeformview-placeholderSpan {
+            font-size: 32;
+            display: flex;
+            text-align: center;
+            margin: auto;
+            background: #80808069;
+        }
+    }
+
     .collectionfreeformview>.jsx-parser {
         position: inherit;
         height: 100%;
@@ -52,6 +67,8 @@
     left: 0;
     width: 100%;
     height: 100%;
+    align-items: center;
+    display: flex;
 }
 
 // selection border...?
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index c69b264c4..7985e541f 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -9,11 +9,11 @@ import { Id } from "../../../../new_fields/FieldSymbols";
 import { InkTool, InkField, InkData } from "../../../../new_fields/InkField";
 import { createSchema, makeInterface } from "../../../../new_fields/Schema";
 import { ScriptField } from "../../../../new_fields/ScriptField";
-import { BoolCast, Cast, DateCast, NumCast, StrCast } from "../../../../new_fields/Types";
+import { BoolCast, Cast, DateCast, NumCast, StrCast, ScriptCast } from "../../../../new_fields/Types";
 import { CurrentUserUtils } from "../../../../server/authentication/models/current_user_utils";
 import { aggregateBounds, emptyFunction, intersectRect, returnOne, Utils } from "../../../../Utils";
 import { DocServer } from "../../../DocServer";
-import { Docs } from "../../../documents/Documents";
+import { Docs, DocUtils } from "../../../documents/Documents";
 import { DocumentType } from "../../../documents/DocumentTypes";
 import { DocumentManager } from "../../../util/DocumentManager";
 import { DragManager } from "../../../util/DragManager";
@@ -41,6 +41,8 @@ import { MarqueeView } from "./MarqueeView";
 import React = require("react");
 import { computedFn } from "mobx-utils";
 import { TraceMobx } from "../../../../new_fields/util";
+import { GestureUtils } from "../../../../pen-gestures/GestureUtils";
+import { LinkManager } from "../../../util/LinkManager";
 import { CognitiveServices } from "../../../cognitive_services/CognitiveServices";
 
 library.add(faEye as any, faTable, faPaintBrush, faExpandArrowsAlt, faCompressArrowsAlt, faCompass, faUpload, faBraille, faChalkboard, faFileUpload);
@@ -54,6 +56,8 @@ export const panZoomSchema = createSchema({
     useClusters: "boolean",
     isRuleProvider: "boolean",
     fitToBox: "boolean",
+    xPadding: "number",         // pixels of padding on left/right of collectionfreeformview contents when fitToBox is set
+    yPadding: "number",         // pixels of padding on left/right of collectionfreeformview contents when fitToBox is set
     panTransformType: "string",
     scrollHeight: "number",
     fitX: "number",
@@ -80,7 +84,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
     @computed get fitToContent() { return (this.props.fitToBox || this.Document.fitToBox) && !this.isAnnotationOverlay; }
     @computed get parentScaling() { return this.props.ContentScaling && this.fitToContent && !this.isAnnotationOverlay ? this.props.ContentScaling() : 1; }
-    @computed get contentBounds() { return aggregateBounds(this._layoutElements.filter(e => e.bounds && !e.bounds.z).map(e => e.bounds!)); }
+    @computed get contentBounds() { return aggregateBounds(this._layoutElements.filter(e => e.bounds && !e.bounds.z).map(e => e.bounds!), NumCast(this.layoutDoc.xPadding, 10), NumCast(this.layoutDoc.yPadding, 10)); }
     @computed get nativeWidth() { return this.Document.fitToContent ? 0 : this.Document.nativeWidth || 0; }
     @computed get nativeHeight() { return this.fitToContent ? 0 : this.Document.nativeHeight || 0; }
     private get isAnnotationOverlay() { return this.props.isAnnotationOverlay; }
@@ -139,15 +143,15 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         const [xp, yp] = xf.transformPoint(de.x, de.y);
         const [xpo, ypo] = xfo.transformPoint(de.x, de.y);
         if (super.drop(e, de)) {
-            if (de.data instanceof DragManager.DocumentDragData) {
-                if (de.data.droppedDocuments.length) {
-                    const firstDoc = de.data.droppedDocuments[0];
+            if (de.complete.docDragData) {
+                if (de.complete.docDragData.droppedDocuments.length) {
+                    const firstDoc = de.complete.docDragData.droppedDocuments[0];
                     const z = NumCast(firstDoc.z);
-                    const x = (z ? xpo : xp) - de.data.offset[0];
-                    const y = (z ? ypo : yp) - de.data.offset[1];
+                    const x = (z ? xpo : xp) - de.complete.docDragData.offset[0];
+                    const y = (z ? ypo : yp) - de.complete.docDragData.offset[1];
                     const dropX = NumCast(firstDoc.x);
                     const dropY = NumCast(firstDoc.y);
-                    de.data.droppedDocuments.forEach(action((d: Doc) => {
+                    de.complete.docDragData.droppedDocuments.forEach(action((d: Doc) => {
                         const layoutDoc = Doc.Layout(d);
                         d.x = x + NumCast(d.x) - dropX;
                         d.y = y + NumCast(d.y) - dropY;
@@ -162,19 +166,19 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                         this.bringToFront(d);
                     }));
 
-                    de.data.droppedDocuments.length === 1 && this.updateCluster(de.data.droppedDocuments[0]);
+                    de.complete.docDragData.droppedDocuments.length === 1 && this.updateCluster(de.complete.docDragData.droppedDocuments[0]);
                 }
             }
-            else if (de.data instanceof DragManager.AnnotationDragData) {
-                if (de.data.dropDocument) {
-                    const dragDoc = de.data.dropDocument;
-                    const x = xp - de.data.offset[0];
-                    const y = yp - de.data.offset[1];
+            else if (de.complete.annoDragData) {
+                if (de.complete.annoDragData.dropDocument) {
+                    const dragDoc = de.complete.annoDragData.dropDocument;
+                    const x = xp - de.complete.annoDragData.offset[0];
+                    const y = yp - de.complete.annoDragData.offset[1];
                     const dropX = NumCast(dragDoc.x);
                     const dropY = NumCast(dragDoc.y);
                     dragDoc.x = x + NumCast(dragDoc.x) - dropX;
                     dragDoc.y = y + NumCast(dragDoc.y) - dropY;
-                    de.data.targetContext = this.props.Document; // dropped a PDF annotation, so we need to set the targetContext on the dragData which the PDF view uses at the end of the drop operation
+                    de.complete.annoDragData.targetContext = this.props.Document; // dropped a PDF annotation, so we need to set the targetContext on the dragData which the PDF view uses at the end of the drop operation
                     this.bringToFront(dragDoc);
                 }
             }
@@ -205,10 +209,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                 const [left, top] = clusterDocs[0].props.ScreenToLocalTransform().scale(clusterDocs[0].props.ContentScaling()).inverse().transformPoint(0, 0);
                 de.offset = this.getTransform().transformDirection(ptsParent.clientX - left, ptsParent.clientY - top);
                 de.dropAction = e.ctrlKey || e.altKey ? "alias" : undefined;
-                DragManager.StartDocumentDrag(clusterDocs.map(v => v.ContentDiv!), de, ptsParent.clientX, ptsParent.clientY, {
-                    handlers: { dragComplete: action(emptyFunction) },
-                    hideSource: !de.dropAction
-                });
+                DragManager.StartDocumentDrag(clusterDocs.map(v => v.ContentDiv!), de, ptsParent.clientX, ptsParent.clientY, { hideSource: !de.dropAction });
                 return true;
             }
         }
@@ -273,7 +274,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         return clusterColor;
     }
 
-    @observable private _points: { x: number, y: number }[] = [];
+    @observable private _points: { X: number, Y: number }[] = [];
 
     @action
     onPointerDown = (e: React.PointerEvent): void => {
@@ -289,7 +290,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                 e.stopPropagation();
                 e.preventDefault();
                 const point = this.getTransform().transformPoint(e.pageX, e.pageY);
-                this._points.push({ x: point[0], y: point[1] });
+                this._points.push({ X: point[0], Y: point[1] });
             }
             // if not using a pen and in no ink mode
             else if (InkingControl.Instance.selectedTool === InkTool.None) {
@@ -328,6 +329,28 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         const pt = e.targetTouches.item(0);
         if (pt) {
             this._hitCluster = this.props.Document.useCluster ? this.pickCluster(this.getTransform().transformPoint(pt.clientX, pt.clientY)) !== -1 : false;
+            if (!e.shiftKey && !e.altKey && !e.ctrlKey && this.props.active(true)) {
+                document.removeEventListener("touchmove", this.onTouch);
+                document.addEventListener("touchmove", this.onTouch);
+                document.removeEventListener("touchend", this.onTouchEnd);
+                document.addEventListener("touchend", this.onTouchEnd);
+                if (InkingControl.Instance.selectedTool === InkTool.Highlighter || InkingControl.Instance.selectedTool === InkTool.Pen) {
+                    e.stopPropagation();
+                    e.preventDefault();
+                    const point = this.getTransform().transformPoint(pt.pageX, pt.pageY);
+                    this._points.push({ X: point[0], Y: point[1] });
+                }
+                else if (InkingControl.Instance.selectedTool === InkTool.None) {
+                    this._lastX = pt.pageX;
+                    this._lastY = pt.pageY;
+                    e.stopPropagation();
+                    e.preventDefault();
+                }
+                else {
+                    e.stopPropagation();
+                    e.preventDefault();
+                }
+            }
         }
     }
 
@@ -337,10 +360,65 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
         if (this._points.length > 1) {
             const B = this.svgBounds;
-            const points = this._points.map(p => ({ x: p.x - B.left, y: p.y - B.top }));
-            const inkDoc = Docs.Create.InkDocument(InkingControl.Instance.selectedColor, InkingControl.Instance.selectedTool, parseInt(InkingControl.Instance.selectedWidth), points, { width: B.width, height: B.height, x: B.left, y: B.top });
-            this.addDocument(inkDoc);
-            this._points = [];
+            const points = this._points.map(p => ({ X: p.X - B.left, Y: p.Y - B.top }));
+
+            const result = GestureUtils.GestureRecognizer.Recognize(new Array(points));
+            let actionPerformed = false;
+            if (result && result.Score > 0.7) {
+                switch (result.Name) {
+                    case GestureUtils.Gestures.Box:
+                        const bounds = { x: Math.min(...this._points.map(p => p.X)), r: Math.max(...this._points.map(p => p.X)), y: Math.min(...this._points.map(p => p.Y)), b: Math.max(...this._points.map(p => p.Y)) };
+                        const sel = this.getActiveDocuments().filter(doc => {
+                            const l = NumCast(doc.x);
+                            const r = l + doc[WidthSym]();
+                            const t = NumCast(doc.y);
+                            const b = t + doc[HeightSym]();
+                            const pass = !(bounds.x > r || bounds.r < l || bounds.y > b || bounds.b < t);
+                            if (pass) {
+                                doc.x = l - B.left - B.width / 2;
+                                doc.y = t - B.top - B.height / 2;
+                            }
+                            return pass;
+                        });
+                        this.addDocument(Docs.Create.FreeformDocument(sel, { x: B.left, y: B.top, width: B.width, height: B.height, panX: 0, panY: 0 }));
+                        sel.forEach(d => this.props.removeDocument(d));
+                        actionPerformed = true;
+                        break;
+                    case GestureUtils.Gestures.Line:
+                        const ep1 = this._points[0];
+                        const ep2 = this._points[this._points.length - 1];
+                        let d1: Doc | undefined;
+                        let d2: Doc | undefined;
+                        this.getActiveDocuments().map(doc => {
+                            const l = NumCast(doc.x);
+                            const r = l + doc[WidthSym]();
+                            const t = NumCast(doc.y);
+                            const b = t + doc[HeightSym]();
+                            if (!d1 && l < ep1.X && r > ep1.X && t < ep1.Y && b > ep1.Y) {
+                                d1 = doc;
+                            }
+                            else if (!d2 && l < ep2.X && r > ep2.X && t < ep2.Y && b > ep2.Y) {
+                                d2 = doc;
+                            }
+                        });
+                        if (d1 && d2) {
+                            if (!LinkManager.Instance.doesLinkExist(d1, d2)) {
+                                DocUtils.MakeLink({ doc: d1 }, { doc: d2 });
+                                actionPerformed = true;
+                            }
+                        }
+                        break;
+                }
+                if (actionPerformed) {
+                    this._points = [];
+                }
+            }
+
+            if (!actionPerformed) {
+                const inkDoc = Docs.Create.InkDocument(InkingControl.Instance.selectedColor, InkingControl.Instance.selectedTool, parseInt(InkingControl.Instance.selectedWidth), points, { width: B.width, height: B.height, x: B.left, y: B.top });
+                this.addDocument(inkDoc);
+                this._points = [];
+            }
         }
 
         document.removeEventListener("pointermove", this.onPointerMove);
@@ -399,7 +477,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             const selectedTool = InkingControl.Instance.selectedTool;
             if (selectedTool === InkTool.Highlighter || selectedTool === InkTool.Pen || InteractionUtils.IsType(e, InteractionUtils.PENTYPE)) {
                 const point = this.getTransform().transformPoint(e.clientX, e.clientY);
-                this._points.push({ x: point[0], y: point[1] });
+                this._points.push({ X: point[0], Y: point[1] });
             }
             else if (selectedTool === InkTool.None) {
                 if (this._hitCluster && this.tryDragCluster(e)) {
@@ -419,7 +497,8 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     handle1PointerMove = (e: TouchEvent) => {
         // panning a workspace
         if (!e.cancelBubble) {
-            const pt = e.targetTouches.item(0);
+            const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints);
+            const pt = myTouches[0];
             if (pt) {
                 if (InkingControl.Instance.selectedTool === InkTool.None) {
                     if (this._hitCluster && this.tryDragCluster(e)) {
@@ -433,7 +512,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                 }
                 else if (InkingControl.Instance.selectedTool !== InkTool.Eraser && InkingControl.Instance.selectedTool !== InkTool.Scrubber) {
                     const point = this.getTransform().transformPoint(pt.clientX, pt.clientY);
-                    this._points.push({ x: point[0], y: point[1] });
+                    this._points.push({ X: point[0], Y: point[1] });
                 }
             }
             e.stopPropagation();
@@ -444,9 +523,9 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     handle2PointersMove = (e: TouchEvent) => {
         // pinch zooming
         if (!e.cancelBubble) {
-            const pt1: Touch | null = e.targetTouches.item(0);
-            const pt2: Touch | null = e.targetTouches.item(1);
-            if (!pt1 || !pt2) return;
+            const myTouches = InteractionUtils.GetMyTargetTouches(e, this.prevPoints);
+            const pt1 = myTouches[0];
+            const pt2 = myTouches[1];
 
             if (this.prevPoints.size === 2) {
                 const oldPoint1 = this.prevPoints.get(pt1.identifier);
@@ -465,8 +544,8 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                         const rawDelta = (dir * (d1 + d2));
 
                         // this floors and ceils the delta value to prevent jitteriness
-                        const delta = Math.sign(rawDelta) * Math.min(Math.abs(rawDelta), 16);
-                        this.zoom(centerX, centerY, delta);
+                        const delta = Math.sign(rawDelta) * Math.min(Math.abs(rawDelta), 8);
+                        this.zoom(centerX, centerY, delta * window.devicePixelRatio);
                         this.prevPoints.set(pt1.identifier, pt1);
                         this.prevPoints.set(pt2.identifier, pt2);
                     }
@@ -481,20 +560,28 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                     }
                 }
             }
+            e.stopPropagation();
+            e.preventDefault();
         }
-        e.stopPropagation();
-        e.preventDefault();
     }
 
+    @action
     handle2PointersDown = (e: React.TouchEvent) => {
-        const pt1: React.Touch | null = e.targetTouches.item(0);
-        const pt2: React.Touch | null = e.targetTouches.item(1);
-        if (!pt1 || !pt2) return;
+        if (!e.nativeEvent.cancelBubble && this.props.active(true)) {
+            const pt1: React.Touch | null = e.targetTouches.item(0);
+            const pt2: React.Touch | null = e.targetTouches.item(1);
+            if (!pt1 || !pt2) return;
 
-        const centerX = Math.min(pt1.clientX, pt2.clientX) + Math.abs(pt2.clientX - pt1.clientX) / 2;
-        const centerY = Math.min(pt1.clientY, pt2.clientY) + Math.abs(pt2.clientY - pt1.clientY) / 2;
-        this._lastX = centerX;
-        this._lastY = centerY;
+            const centerX = Math.min(pt1.clientX, pt2.clientX) + Math.abs(pt2.clientX - pt1.clientX) / 2;
+            const centerY = Math.min(pt1.clientY, pt2.clientY) + Math.abs(pt2.clientY - pt1.clientY) / 2;
+            this._lastX = centerX;
+            this._lastY = centerY;
+            document.removeEventListener("touchmove", this.onTouch);
+            document.addEventListener("touchmove", this.onTouch);
+            document.removeEventListener("touchend", this.onTouchEnd);
+            document.addEventListener("touchend", this.onTouchEnd);
+            e.stopPropagation();
+        }
     }
 
     cleanUpInteractions = () => {
@@ -562,6 +649,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
     focusDocument = (doc: Doc, willZoom: boolean, scale?: number, afterFocus?: () => boolean) => {
         const state = HistoryUtil.getState();
+
         // TODO This technically isn't correct if type !== "doc", as 
         // currently nothing is done, but we should probably push a new state
         if (state.type === "doc" && this.Document.panX !== undefined && this.Document.panY !== undefined) {
@@ -595,10 +683,11 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
             const savedState = { px: this.Document.panX, py: this.Document.panY, s: this.Document.scale, pt: this.Document.panTransformType };
 
-            this.setPan(newPanX, newPanY, "Ease");
+            if (!doc.z) this.setPan(newPanX, newPanY, "Ease"); // docs that are floating in their collection can't be panned to from their collection -- need to propagate the pan to a parent freeform somehow
             Doc.BrushDoc(this.props.Document);
             this.props.focus(this.props.Document);
             willZoom && this.setScaleToZoom(layoutdoc, scale);
+            Doc.linkFollowHighlight(doc);
 
             afterFocus && setTimeout(() => {
                 if (afterFocus && afterFocus()) {
@@ -622,14 +711,19 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
     getScale = () => this.Document.scale || 1;
 
+    @computed get libraryPath() { return this.props.LibraryPath ? [...this.props.LibraryPath, this.props.Document] : []; }
+    @computed get onChildClickHandler() { return ScriptCast(this.Document.onChildClick); }
+
     getChildDocumentViewProps(childLayout: Doc, childData?: Doc): DocumentViewProps {
         return {
             ...this.props,
             DataDoc: childData,
             Document: childLayout,
+            LibraryPath: this.libraryPath,
             layoutKey: undefined,
             ruleProvider: this.Document.isRuleProvider && childLayout.type !== DocumentType.TEXT ? this.props.Document : this.props.ruleProvider, //bcz: hack! - currently ruleProviders apply to documents in nested colleciton, not direct children of themselves
-            onClick: undefined, // this.props.onClick,  // bcz: check this out -- I don't think we want to inherit click handlers, or we at least need a way to ignore them
+            //onClick: undefined, // this.props.onClick,  // bcz: check this out -- I don't think we want to inherit click handlers, or we at least need a way to ignore them
+            onClick: this.onChildClickHandler,
             ScreenToLocalTransform: childLayout.z ? this.getTransformOverlay : this.getTransform,
             renderDepth: this.props.renderDepth + 1,
             PanelWidth: childLayout[WidthSym],
@@ -682,7 +776,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
 
     doPivotLayout(poolData: ObservableMap<string, any>) {
         return computePivotLayout(poolData, this.props.Document, this.childDocs,
-            this.childLayoutPairs.filter(pair => this.isCurrent(pair.layout)), this.viewDefsToJSX);
+            this.childLayoutPairs.filter(pair => this.isCurrent(pair.layout)), [this.props.PanelWidth(), this.props.PanelHeight()], this.viewDefsToJSX);
     }
 
     doFreeformLayout(poolData: ObservableMap<string, any>) {
@@ -708,11 +802,13 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             case "pivot": computedElementData = this.doPivotLayout(this._layoutPoolData); break;
             default: computedElementData = this.doFreeformLayout(this._layoutPoolData); break;
         }
-        this.childLayoutPairs.filter(pair => this.isCurrent(pair.layout)).forEach(pair =>
+        this.childLayoutPairs.filter((pair, i) => this.isCurrent(pair.layout)).forEach(pair =>
             computedElementData.elements.push({
-                ele: <CollectionFreeFormDocumentView key={pair.layout[Id]} dataProvider={this.childDataProvider}
+                ele: <CollectionFreeFormDocumentView key={pair.layout[Id]}  {...this.getChildDocumentViewProps(pair.layout, pair.data)}
+                    dataProvider={this.childDataProvider}
                     ruleProvider={this.Document.isRuleProvider ? this.props.Document : this.props.ruleProvider}
-                    jitterRotation={NumCast(this.props.Document.jitterRotation)} {...this.getChildDocumentViewProps(pair.layout, pair.data)} />,
+                    jitterRotation={NumCast(this.props.Document.jitterRotation)}
+                    fitToBox={this.props.fitToBox || this.Document.freeformLayoutEngine === "pivot"} />,
                 bounds: this.childDataProvider(pair.layout)
             }));
 
@@ -720,6 +816,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     }
 
     componentDidMount() {
+        super.componentDidMount();
         this._layoutComputeReaction = reaction(() => { TraceMobx(); return this.doLayoutComputation; },
             action((computation: { elements: ViewDefResult[] }) => computation && (this._layoutElements = computation.elements)),
             { fireImmediately: true, name: "doLayout" });
@@ -795,7 +892,8 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             layoutItems.push({ description: "Template Layout Instance", event: () => this.props.addDocTab(Doc.ApplyTemplate(this.props.Document)!, undefined, "onRight"), icon: "project-diagram" });
         }
         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: `${this.fitToContent ? "Unset" : "Set"} Fit To Container`, event: async () => this.Document.fitToBox = !this.fitToContent, icon: !this.fitToContent ? "expand-arrows-alt" : "compress-arrows-alt" });
+        layoutItems.push({ description: `${this.Document.LODdisable ? "Enable LOD" : "Disable LOD"}`, event: () => this.Document.LODdisable = !this.Document.LODdisable, icon: "table" });
+        layoutItems.push({ description: `${this.fitToContent ? "Unset" : "Set"} Fit To Container`, event: () => this.Document.fitToBox = !this.fitToContent, icon: !this.fitToContent ? "expand-arrows-alt" : "compress-arrows-alt" });
         layoutItems.push({ description: `${this.Document.useClusters ? "Uncluster" : "Use Clusters"}`, event: () => this.updateClusters(!this.Document.useClusters), icon: "braille" });
         layoutItems.push({ description: `${this.Document.isRuleProvider ? "Stop Auto Format" : "Auto Format"}`, event: this.autoFormat, icon: "chalkboard" });
         layoutItems.push({ description: "Arrange contents in grid", event: this.layoutDocsInGrid, icon: "table" });
@@ -851,8 +949,8 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     }
 
     @computed get svgBounds() {
-        const xs = this._points.map(p => p.x);
-        const ys = this._points.map(p => p.y);
+        const xs = this._points.map(p => p.X);
+        const ys = this._points.map(p => p.Y);
         const right = Math.max(...xs);
         const left = Math.min(...xs);
         const bottom = Math.max(...ys);
@@ -868,7 +966,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         const B = this.svgBounds;
 
         return (
-            <svg width={B.width} height={B.height} style={{ transform: `translate(${B.left}px, ${B.top}px)` }}>
+            <svg width={B.width} height={B.height} style={{ transform: `translate(${B.left}px, ${B.top}px)`, position: "absolute", zIndex: 30000 }}>
                 {CreatePolyline(this._points, B.left, B.top)}
             </svg>
         );
@@ -881,6 +979,25 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         eles.push(<CollectionFreeFormRemoteCursors {...this.props} key="remoteCursors" />);
         return eles;
     }
+    @computed get placeholder() {
+        return <div className="collectionfreeformview-placeholder" style={{ background: this.Document.backgroundColor }}>
+            <span className="collectionfreeformview-placeholderSpan">{this.props.Document.title}</span>
+        </div>;
+    }
+    @computed get marqueeView() {
+        return <MarqueeView {...this.props} extensionDoc={this.extensionDoc!} activeDocuments={this.getActiveDocuments} selectDocuments={this.selectDocuments} addDocument={this.addDocument}
+            addLiveTextDocument={this.addLiveTextBox} getContainerTransform={this.getContainerTransform} getTransform={this.getTransform} isAnnotationOverlay={this.isAnnotationOverlay}>
+            <CollectionFreeFormViewPannableContents centeringShiftX={this.centeringShiftX} centeringShiftY={this.centeringShiftY}
+                easing={this.easing} zoomScaling={this.zoomScaling} panX={this.panX} panY={this.panY}>
+                {this.children}
+            </CollectionFreeFormViewPannableContents>
+        </MarqueeView>;
+    }
+    @computed get contentScaling() {
+        const hscale = this.nativeHeight ? this.props.PanelHeight() / this.nativeHeight : 1;
+        const wscale = this.nativeWidth ? this.props.PanelWidth() / this.nativeWidth : 1;
+        return wscale < hscale ? wscale : hscale;
+    }
     render() {
         TraceMobx();
         // update the actual dimensions of the collection so that they can inquired (e.g., by a minimap)
@@ -890,19 +1007,23 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
         // this.Document.fitH = this.contentBounds && (this.contentBounds.b - this.contentBounds.y);
         // if isAnnotationOverlay is set, then children will be stored in the extension document for the fieldKey.
         // otherwise, they are stored in fieldKey.  All annotations to this document are stored in the extension document
-        return !this.extensionDoc ? (null) :
-            <div className={"collectionfreeformview-container"} ref={this.createDropTarget} onWheel={this.onPointerWheel}//pointerEvents: SelectionManager.GetIsDragging() ? "all" : undefined,
-                style={{ height: this.isAnnotationOverlay ? (this.props.Document.scrollHeight ? this.Document.scrollHeight : "100%") : this.props.PanelHeight() }}
-                onPointerDown={this.onPointerDown} onPointerMove={this.onCursorMove} onDrop={this.onDrop.bind(this)} onContextMenu={this.onContextMenu} onTouchStart={this.onTouchStart}>
-                <MarqueeView {...this.props} extensionDoc={this.extensionDoc} activeDocuments={this.getActiveDocuments} selectDocuments={this.selectDocuments} addDocument={this.addDocument}
-                    addLiveTextDocument={this.addLiveTextBox} getContainerTransform={this.getContainerTransform} getTransform={this.getTransform} isAnnotationOverlay={this.isAnnotationOverlay}>
-                    <CollectionFreeFormViewPannableContents centeringShiftX={this.centeringShiftX} centeringShiftY={this.centeringShiftY}
-                        easing={this.easing} zoomScaling={this.zoomScaling} panX={this.panX} panY={this.panY}>
-                        {this.children}
-                    </CollectionFreeFormViewPannableContents>
-                </MarqueeView>
-                <CollectionFreeFormOverlayView elements={this.elementFunc} />
-            </div>;
+        if (!this.extensionDoc) return (null);
+        // let lodarea = this.Document[WidthSym]() * this.Document[HeightSym]() / this.props.ScreenToLocalTransform().Scale / this.props.ScreenToLocalTransform().Scale;
+        return <div className={"collectionfreeformview-container"}
+            ref={this.createDropTarget}
+            onWheel={this.onPointerWheel}//pointerEvents: SelectionManager.GetIsDragging() ? "all" : undefined,
+            onPointerDown={this.onPointerDown} onPointerMove={this.onCursorMove} onDrop={this.onDrop.bind(this)} onContextMenu={this.onContextMenu} onTouchStart={this.onTouchStart}
+            style={{
+                pointerEvents: SelectionManager.GetIsDragging() ? "all" : undefined,
+                transform: this.contentScaling ? `scale(${this.contentScaling})` : "",
+                transformOrigin: this.contentScaling ? "left top" : "",
+                width: this.contentScaling ? `${100 / this.contentScaling}%` : "",
+                height: this.contentScaling ? `${100 / this.contentScaling}%` : this.isAnnotationOverlay ? (this.props.Document.scrollHeight ? this.Document.scrollHeight : "100%") : this.props.PanelHeight()
+            }}>
+            {!this.Document.LODdisable && !this.props.active() && !this.props.isAnnotationOverlay && !this.props.annotationsKey && this.props.renderDepth > 0 ? // && this.props.CollectionView && lodarea < NumCast(this.Document.LODarea, 100000) ?
+                this.placeholder : this.marqueeView}
+            <CollectionFreeFormOverlayView elements={this.elementFunc} />
+        </div>;
     }
 }
 
@@ -936,7 +1057,7 @@ class CollectionFreeFormViewPannableContents extends React.Component<CollectionF
         const panx = -this.props.panX();
         const pany = -this.props.panY();
         const zoom = this.props.zoomScaling();
-        return <div className={freeformclass} style={{ transform: `translate(${cenx}px, ${ceny}px) scale(${zoom}) translate(${panx}px, ${pany}px)` }}>
+        return <div className={freeformclass} style={{ touchAction: "none", borderRadius: "inherit", transform: `translate(${cenx}px, ${ceny}px) scale(${zoom}) translate(${panx}px, ${pany}px)` }}>
             {this.props.children()}
         </div>;
     }
diff --git a/src/client/views/collections/collectionFreeForm/MarqueeView.scss b/src/client/views/collections/collectionFreeForm/MarqueeView.scss
index d14495626..18d6da0da 100644
--- a/src/client/views/collections/collectionFreeForm/MarqueeView.scss
+++ b/src/client/views/collections/collectionFreeForm/MarqueeView.scss
@@ -5,10 +5,9 @@
     left:0;
     width:100%;
     height:100%;
-}
-.marqueeView {
     overflow: hidden;
     pointer-events: inherit;
+    border-radius: inherit;
 }
 
 .marqueeView:focus-within {
diff --git a/src/client/views/collections/collectionFreeForm/MarqueeView.tsx b/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
index dc68ae81c..523edb918 100644
--- a/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
+++ b/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
@@ -520,7 +520,7 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
     }
 
     render() {
-        return <div className="marqueeView" onScroll={(e) => e.currentTarget.scrollTop = e.currentTarget.scrollLeft = 0} style={{ borderRadius: "inherit" }} onClick={this.onClick} onPointerDown={this.onPointerDown}>
+        return <div className="marqueeView" onScroll={(e) => e.currentTarget.scrollTop = e.currentTarget.scrollLeft = 0} onClick={this.onClick} onPointerDown={this.onPointerDown}>
             {this._visible ? this.marqueeDiv : null}
             {this.props.children}
         </div>;