From 380ee1acac1c0b7972d7d423cf804af146dc0edf Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Sun, 10 Dec 2023 20:19:27 -0500
Subject: massive changes to use mobx 6 which means not accessing props
 directly in @computed functions.

---
 .../collectionFreeForm/CollectionFreeFormView.tsx  | 376 +++++++++++----------
 1 file changed, 192 insertions(+), 184 deletions(-)

(limited to 'src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx')

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 03d302f39..154c914ad 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1,6 +1,6 @@
 import { Bezier } from 'bezier-js';
 import { Colors } from 'browndash-components';
-import { action, computed, IReactionDisposer, observable, reaction, runInAction } from 'mobx';
+import { action, computed, IReactionDisposer, makeObservable, observable, override, reaction, runInAction, toJS } from 'mobx';
 import { observer } from 'mobx-react';
 import { computedFn } from 'mobx-utils';
 import * as React from 'react';
@@ -16,7 +16,7 @@ import { BoolCast, Cast, DocCast, NumCast, ScriptCast, StrCast } from '../../../
 import { ImageField } from '../../../../fields/URLField';
 import { TraceMobx } from '../../../../fields/util';
 import { GestureUtils } from '../../../../pen-gestures/GestureUtils';
-import { aggregateBounds, DashColor, emptyFunction, intersectRect, lightOrDark, OmitKeys, returnFalse, returnZero, setupMoveUpEvents, Utils } from '../../../../Utils';
+import { aggregateBounds, copyProps, DashColor, emptyFunction, intersectRect, lightOrDark, OmitKeys, returnFalse, returnZero, setupMoveUpEvents, Utils } from '../../../../Utils';
 import { CognitiveServices } from '../../../cognitive_services/CognitiveServices';
 import { Docs, DocUtils } from '../../../documents/Documents';
 import { CollectionViewType, DocumentType } from '../../../documents/DocumentTypes';
@@ -43,7 +43,7 @@ import { FormattedTextBox } from '../../nodes/formattedText/FormattedTextBox';
 import { PinProps, PresBox } from '../../nodes/trails/PresBox';
 import { CreateImage } from '../../nodes/WebBoxRenderer';
 import { StyleProp } from '../../StyleProvider';
-import { CollectionSubView } from '../CollectionSubView';
+import { CollectionSubView, SubCollectionViewProps } from '../CollectionSubView';
 import { TreeViewType } from '../CollectionTreeView';
 import { CollectionFreeFormBackgroundGrid } from './CollectionFreeFormBackgroundGrid';
 import { CollectionFreeFormInfoUI } from './CollectionFreeFormInfoUI';
@@ -69,9 +69,20 @@ export type collectionFreeformViewProps = {
 @observer
 export class CollectionFreeFormView extends CollectionSubView<Partial<collectionFreeformViewProps>>() {
     public get displayName() {
-        return 'CollectionFreeFormView(' + this.props.Document.title?.toString() + ')';
+        return 'CollectionFreeFormView(' + this._props.Document.title?.toString() + ')';
     } // this makes mobx trace() statements more descriptive
 
+    _prevProps: React.PropsWithChildren<SubCollectionViewProps & Partial<collectionFreeformViewProps>>;
+    @override _props: React.PropsWithChildren<SubCollectionViewProps & Partial<collectionFreeformViewProps>>;
+    constructor(props: any) {
+        super(props);
+        this._props = this._prevProps = props;
+        makeObservable(this);
+    }
+    componentDidUpdate() {
+        copyProps(this);
+    }
+
     @observable
     public static ShowPresPaths = false;
 
@@ -90,19 +101,19 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     private _brushtimer1: any;
 
     public get isAnnotationOverlay() {
-        return this.props.isAnnotationOverlay;
+        return this._props.isAnnotationOverlay;
     }
     public get scaleFieldKey() {
-        return (this.props.viewField ?? '') + '_freeform_scale';
+        return (this._props.viewField ?? '') + '_freeform_scale';
     }
     private get panXFieldKey() {
-        return (this.props.viewField ?? '') + '_freeform_panX';
+        return (this._props.viewField ?? '') + '_freeform_panX';
     }
     private get panYFieldKey() {
-        return (this.props.viewField ?? '') + '_freeform_panY';
+        return (this._props.viewField ?? '') + '_freeform_panY';
     }
     private get autoResetFieldKey() {
-        return (this.props.viewField ?? '') + '_freeform_autoReset';
+        return (this._props.viewField ?? '') + '_freeform_autoReset';
     }
 
     @observable.shallow _layoutElements: ViewDefResult[] = []; // shallow because some layout items (eg pivot labels) are just generated 'divs' and can't be frozen as observables
@@ -113,7 +124,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @observable _deleteList: DocumentView[] = [];
     @observable _timelineRef = React.createRef<Timeline>();
     @observable _marqueeViewRef = React.createRef<MarqueeView>();
-    @observable _brushedView: { width: number; height: number; panX: number; panY: number } | undefined; // highlighted region of freeform canvas used by presentations to indicate a region
+    @observable _brushedView: { width: number; height: number; panX: number; panY: number } | undefined = undefined; // highlighted region of freeform canvas used by presentations to indicate a region
     @observable GroupChildDrag: boolean = false; // child document view being dragged.  needed to update drop areas of groups when a group item is dragged.
 
     @computed get contentViews() {
@@ -130,11 +141,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             scale:
                 (!this.childDocs.length || !Number.isFinite(hgt) || !Number.isFinite(wid)
                     ? 1 //
-                    : Math.min(this.props.PanelHeight() / hgt, this.props.PanelWidth() / wid)) / (this.props.NativeDimScaling?.() || 1),
+                    : Math.min(this._props.PanelHeight() / hgt, this._props.PanelWidth() / wid)) / (this._props.NativeDimScaling?.() || 1),
         };
     }
     @computed get fitContentsToBox() {
-        return (this.props.fitContentsToBox?.() || this.Document._freeform_fitContentsToBox) && !this.isAnnotationOverlay;
+        return (this._props.fitContentsToBox?.() || this.Document._freeform_fitContentsToBox) && !this.isAnnotationOverlay;
     }
     @computed get contentBounds() {
         const cb = Cast(this.dataDoc.contentBounds, listSpec('number'));
@@ -147,30 +158,30 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
               );
     }
     @computed get nativeWidth() {
-        return this.props.NativeWidth?.() || Doc.NativeWidth(this.Document, Cast(this.Document.resolvedDataDoc, Doc, null));
+        return this._props.NativeWidth?.() || Doc.NativeWidth(this.Document, Cast(this.Document.resolvedDataDoc, Doc, null));
     }
     @computed get nativeHeight() {
-        return this.props.NativeHeight?.() || Doc.NativeHeight(this.Document, Cast(this.Document.resolvedDataDoc, Doc, null));
+        return this._props.NativeHeight?.() || Doc.NativeHeight(this.Document, Cast(this.Document.resolvedDataDoc, Doc, null));
     }
     @computed get cachedCenteringShiftX(): number {
         const scaling = !this.nativeDimScaling ? 1 : this.nativeDimScaling;
-        return this.props.isAnnotationOverlay || this.props.originTopLeft ? 0 : this.props.PanelWidth() / 2 / scaling; // shift so pan position is at center of window for non-overlay collections
+        return this._props.isAnnotationOverlay || this._props.originTopLeft ? 0 : this._props.PanelWidth() / 2 / scaling; // shift so pan position is at center of window for non-overlay collections
     }
     @computed get cachedCenteringShiftY(): number {
-        const dv = this.props.DocumentView?.();
-        const fitWidth = this.props.layout_fitWidth?.(this.Document) ?? dv?.layoutDoc.layout_fitWidth;
+        const dv = this._props.DocumentView?.();
+        const fitWidth = this._props.layout_fitWidth?.(this.Document) ?? dv?.layoutDoc.layout_fitWidth;
         const scaling = !this.nativeDimScaling ? 1 : this.nativeDimScaling;
         // if freeform has a native aspect, then the panel height needs to be adjusted to match it
-        const aspect = dv?.nativeWidth && dv?.nativeHeight && !fitWidth ? dv.nativeHeight / dv.nativeWidth : this.props.PanelHeight() / this.props.PanelWidth();
-        return this.props.isAnnotationOverlay || this.props.originTopLeft ? 0 : (aspect * this.props.PanelWidth()) / 2 / scaling; // shift so pan position is at center of window for non-overlay collections
+        const aspect = dv?.nativeWidth && dv?.nativeHeight && !fitWidth ? dv.nativeHeight / dv.nativeWidth : this._props.PanelHeight() / this._props.PanelWidth();
+        return this._props.isAnnotationOverlay || this._props.originTopLeft ? 0 : (aspect * this._props.PanelWidth()) / 2 / scaling; // shift so pan position is at center of window for non-overlay collections
     }
     @computed get panZoomXf() {
         return new Transform(this.panX(), this.panY(), 1 / this.zoomScaling());
     }
     @computed get screenToLocalXf() {
-        return this.props
+        return this._props
             .ScreenToLocalTransform()
-            .scale(this.props.isAnnotationOverlay ? 1 : 1)
+            .scale(this._props.isAnnotationOverlay ? 1 : 1)
             .translate(-this.cachedCenteringShiftX, -this.cachedCenteringShiftY)
             .transform(this.panZoomXf);
     }
@@ -219,9 +230,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @observable _keyframeEditing = false;
     @action setKeyFrameEditing = (set: boolean) => (this._keyframeEditing = set);
     getKeyFrameEditing = () => this._keyframeEditing;
-    onBrowseClickHandler = () => this.props.onBrowseClick?.() || ScriptCast(this.layoutDoc.onBrowseClick);
-    onChildClickHandler = () => this.props.childClickScript || ScriptCast(this.Document.onChildClick);
-    onChildDoubleClickHandler = () => this.props.childDoubleClickScript || ScriptCast(this.Document.onChildDoubleClick);
+    onBrowseClickHandler = () => this._props.onBrowseClick?.() || ScriptCast(this.layoutDoc.onBrowseClick);
+    onChildClickHandler = () => this._props.childClickScript || ScriptCast(this.Document.onChildClick);
+    onChildDoubleClickHandler = () => this._props.childDoubleClickScript || ScriptCast(this.Document.onChildDoubleClick);
     elementFunc = () => this._layoutElements;
     fitContentOnce = () => {
         const vals = this.fitToContentVals;
@@ -236,27 +247,27 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     panY = () => this.freeformData()?.bounds.cy ?? NumCast(this.Document[this.panYFieldKey], NumCast(Cast(this.Document.resolvedDataDoc, Doc, null)?.freeform_panY, 1));
     zoomScaling = () => this.freeformData()?.scale ?? NumCast(Doc.Layout(this.Document)[this.scaleFieldKey], NumCast(Cast(this.Document.resolvedDataDoc, Doc, null)?.[this.scaleFieldKey], 1));
     PanZoomCenterXf = () =>
-        this.props.isAnnotationOverlay && this.zoomScaling() === 1 ? `` : `translate(${this.cachedCenteringShiftX}px, ${this.cachedCenteringShiftY}px) scale(${this.zoomScaling()}) translate(${-this.panX()}px, ${-this.panY()}px)`;
+        this._props.isAnnotationOverlay && this.zoomScaling() === 1 ? `` : `translate(${this.cachedCenteringShiftX}px, ${this.cachedCenteringShiftY}px) scale(${this.zoomScaling()}) translate(${-this.panX()}px, ${-this.panY()}px)`;
     ScreenToLocalXf = () => this.screenToLocalXf.copy();
     getActiveDocuments = () => this.childLayoutPairs.filter(pair => this.isCurrent(pair.layout)).map(pair => pair.layout);
-    isAnyChildContentActive = () => this.props.isAnyChildContentActive();
+    isAnyChildContentActive = () => this._props.isAnyChildContentActive();
     addLiveTextBox = (newDoc: Doc) => {
         FormattedTextBox.SetSelectOnLoad(newDoc); // track the new text box so we can give it a prop that tells it to focus itself when it's displayed
         this.addDocument(newDoc);
     };
     selectDocuments = (docs: Doc[]) => {
         SelectionManager.DeselectAll();
-        docs.map(doc => DocumentManager.Instance.getDocumentView(doc, this.props.DocumentView?.())).forEach(dv => dv && SelectionManager.SelectView(dv, true));
+        docs.map(doc => DocumentManager.Instance.getDocumentView(doc, this._props.DocumentView?.())).forEach(dv => dv && SelectionManager.SelectView(dv, true));
     };
     addDocument = (newBox: Doc | Doc[]) => {
         let retVal = false;
         if (newBox instanceof Doc) {
-            if ((retVal = this.props.addDocument?.(newBox) || false)) {
+            if ((retVal = this._props.addDocument?.(newBox) || false)) {
                 this.bringToFront(newBox);
                 this.updateCluster(newBox);
             }
         } else {
-            retVal = this.props.addDocument?.(newBox) || false;
+            retVal = this._props.addDocument?.(newBox) || false;
             // bcz: deal with clusters
         }
         if (retVal) {
@@ -270,7 +281,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                     CollectionFreeFormDocumentView.animFields.forEach((field, i) => field.key !== 'opacity' && (newBox[field.key] = vals[i]));
                 }
             }
-            if (this.Document._currentFrame !== undefined && !this.props.isAnnotationOverlay) {
+            if (this.Document._currentFrame !== undefined && !this._props.isAnnotationOverlay) {
                 CollectionFreeFormDocumentView.setupKeyframes(newBoxes, NumCast(this.Document._currentFrame), true);
             }
         }
@@ -286,7 +297,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     groupFocus = (anchor: Doc, options: DocFocusOptions) => {
         options.docTransform = new Transform(-NumCast(this.layoutDoc[this.panXFieldKey]) + NumCast(anchor.x), -NumCast(this.layoutDoc[this.panYFieldKey]) + NumCast(anchor.y), 1);
-        const res = this.props.focus(this.Document, options);
+        const res = this._props.focus(this.Document, options);
         options.docTransform = undefined;
         return res;
     };
@@ -324,11 +335,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             findDoc(dv => res(dv));
         });
 
-    @action
     internalDocDrop(e: Event, de: DragManager.DropEvent, docDragData: DragManager.DocumentDragData, xp: number, yp: number) {
         if (!super.onInternalDrop(e, de)) return false;
         const refDoc = docDragData.droppedDocuments[0];
-        const [xpo, ypo] = this.props.ScreenToLocalTransform().transformPoint(de.x, de.y);
+        const [xpo, ypo] = this._props.ScreenToLocalTransform().transformPoint(de.x, de.y);
         const z = NumCast(refDoc.z);
         const x = (z ? xpo : xp) - docDragData.offset[0];
         const y = (z ? ypo : yp) - docDragData.offset[1];
@@ -343,7 +353,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         for (let i = 0; i < docDragData.droppedDocuments.length; i++) {
             const d = docDragData.droppedDocuments[i];
             const layoutDoc = Doc.Layout(d);
-            const delta = Utils.rotPt(x - dropPos[0], y - dropPos[1], this.props.ScreenToLocalTransform().Rotate);
+            const delta = Utils.rotPt(x - dropPos[0], y - dropPos[1], this._props.ScreenToLocalTransform().Rotate);
             if (this.Document._currentFrame !== undefined) {
                 CollectionFreeFormDocumentView.setupKeyframes([d], NumCast(this.Document._currentFrame), false);
                 const pvals = CollectionFreeFormDocumentView.getValues(d, NumCast(d.activeFrame, 1000)); // get filled in values (uses defaults when not value is specified) for position
@@ -405,7 +415,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     @undoBatch
     internalLinkDrop(e: Event, de: DragManager.DropEvent, linkDragData: DragManager.LinkDragData, xp: number, yp: number) {
-        if (linkDragData.linkDragView.props.docViewPath().includes(this.props.docViewPath().lastElement())) {
+        if (linkDragData.linkDragView.props.docViewPath().includes(this._props.docViewPath().lastElement())) {
             let added = false;
             //  do nothing if link is dropped into any freeform view parent of dragged document
             const source =
@@ -426,7 +436,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                           _xPadding: 0,
                           onClick: FollowLinkScript(),
                       });
-            added = this.props.addDocument?.(source) ? true : false;
+            added = this._props.addDocument?.(source) ? true : false;
             de.complete.linkDocument = DocUtils.MakeLink(linkDragData.linkSourceGetAnchor(), source, { link_relationship: 'annotated by:annotation of' }); // TODODO this is where in text links get passed
 
             e.stopPropagation();
@@ -463,7 +473,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         return this.childLayoutPairs
             .map(pair => pair.layout)
             .reduce((cluster, cd) => {
-                const grouping = this.props.Document._freeform_useClusters ? NumCast(cd.layout_cluster, -1) : NumCast(cd.group, -1);
+                const grouping = this._props.Document._freeform_useClusters ? NumCast(cd.layout_cluster, -1) : NumCast(cd.group, -1);
                 if (grouping !== -1) {
                     const layoutDoc = Doc.Layout(cd);
                     const cx = NumCast(cd.x) - this._clusterDistance / 2;
@@ -480,11 +490,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         if (cluster !== -1) {
             const ptsParent = e;
             if (ptsParent) {
-                const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this.props.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === cluster);
-                const clusterDocs = eles.map(ele => DocumentManager.Instance.getDocumentView(ele, this.props.DocumentView?.())!);
+                const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this._props.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === cluster);
+                const clusterDocs = eles.map(ele => DocumentManager.Instance.getDocumentView(ele, this._props.DocumentView?.())!);
                 const { left, top } = clusterDocs[0].getBounds() || { left: 0, top: 0 };
                 const de = new DragManager.DocumentDragData(eles, e.ctrlKey || e.altKey ? 'embed' : undefined);
-                de.moveDocument = this.props.moveDocument;
+                de.moveDocument = this._props.moveDocument;
                 de.offset = this.screenToLocalXf.transformDirection(ptsParent.clientX - left, ptsParent.clientY - top);
                 DragManager.StartDocumentDrag(
                     clusterDocs.map(v => v.ContentDiv!),
@@ -502,7 +512,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     @action
     updateClusters(_freeform_useClusters: boolean) {
-        this.props.Document._freeform_useClusters = _freeform_useClusters;
+        this._props.Document._freeform_useClusters = _freeform_useClusters;
         this._clusterSets.length = 0;
         this.childLayoutPairs.map(pair => pair.layout).map(c => this.updateCluster(c));
     }
@@ -510,7 +520,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @action
     updateClusterDocs(docs: Doc[]) {
         const childLayouts = this.childLayoutPairs.map(pair => pair.layout);
-        if (this.props.Document._freeform_useClusters) {
+        if (this._props.Document._freeform_useClusters) {
             const docFirst = docs[0];
             docs.map(doc => this._clusterSets.map(set => Doc.IndexOf(doc, set) !== -1 && set.splice(Doc.IndexOf(doc, set), 1)));
             const preferredInd = NumCast(docFirst.layout_cluster);
@@ -553,7 +563,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     @action
     updateCluster = (doc: Doc) => {
         const childLayouts = this.childLayoutPairs.map(pair => pair.layout);
-        if (this.props.Document._freeform_useClusters) {
+        if (this._props.Document._freeform_useClusters) {
             this._clusterSets.forEach(set => Doc.IndexOf(doc, set) !== -1 && set.splice(Doc.IndexOf(doc, set), 1));
             const preferredInd = NumCast(doc.layout_cluster);
             doc.layout_cluster = -1;
@@ -583,7 +593,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     };
 
     clusterStyleProvider = (doc: Opt<Doc>, props: Opt<DocumentViewProps>, property: string) => {
-        let styleProp = this.props.styleProvider?.(doc, props, property); // bcz: check 'props'  used to be renderDepth + 1
+        let styleProp = this._props.styleProvider?.(doc, props, property); // bcz: check 'props'  used to be renderDepth + 1
         if (doc && this.childDocList?.includes(doc))
             switch (property) {
                 case StyleProp.BackgroundColor:
@@ -612,7 +622,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     trySelectCluster = (addToSel: boolean) => {
         if (this._hitCluster !== -1) {
             !addToSel && SelectionManager.DeselectAll();
-            const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this.props.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === this._hitCluster);
+            const eles = this.childLayoutPairs.map(pair => pair.layout).filter(cd => (this._props.Document._freeform_useClusters ? NumCast(cd.layout_cluster) : NumCast(cd.group, -1)) === this._hitCluster);
             this.selectDocuments(eles);
             return true;
         }
@@ -625,7 +635,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         this._downY = this._lastY = e.pageY;
         this._downTime = Date.now();
         const scrollMode = e.altKey ? (Doc.UserDoc().freeformScrollMode === freeformScrollMode.Pan ? freeformScrollMode.Zoom : freeformScrollMode.Pan) : Doc.UserDoc().freeformScrollMode;
-        if (e.button === 0 && (!(e.ctrlKey && !e.metaKey) || scrollMode !== freeformScrollMode.Pan) && this.props.isContentActive(true)) {
+        if (e.button === 0 && (!(e.ctrlKey && !e.metaKey) || scrollMode !== freeformScrollMode.Pan) && this._props.isContentActive(true)) {
             if (!this.Document.isGroup) {
                 // group freeforms don't pan when dragged -- instead let the event go through to allow the group itself to drag
                 // prettier-ignore
@@ -638,7 +648,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                         setupMoveUpEvents(this, e, this.onEraserMove, this.onEraserUp, emptyFunction);
                         break;
                     case InkTool.None:
-                        if (!(this.props.layoutEngine?.() || StrCast(this.layoutDoc._layoutEngine))) {
+                        if (!(this._props.layoutEngine?.() || StrCast(this.layoutDoc._layoutEngine))) {
                             this._hitCluster = this.pickCluster(this.screenToLocalXf.transformPoint(e.clientX, e.clientY));
                             setupMoveUpEvents(this, e, this.onPointerMove, emptyFunction, emptyFunction, this._hitCluster !== -1 ? true : false, false);
                         }
@@ -661,7 +671,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             case GestureUtils.Gestures.Stroke:
                 const points = ge.points;
                 const B = this.screenToLocalXf.transformBounds(ge.bounds.left, ge.bounds.top, ge.bounds.width, ge.bounds.height);
-                const inkWidth = ActiveInkWidth() * this.props.ScreenToLocalTransform().Scale;
+                const inkWidth = ActiveInkWidth() * this._props.ScreenToLocalTransform().Scale;
                 const inkDoc = Docs.Create.InkDocument(
                     points,
                     { title: ge.gesture.toString(),
@@ -710,7 +720,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         if (this._lightboxDoc) this._lightboxDoc = undefined;
         if (Utils.isClick(e.pageX, e.pageY, this._downX, this._downY, this._downTime)) {
             if (this.onBrowseClickHandler()) {
-                this.onBrowseClickHandler().script.run({ documentView: this.props.DocumentView?.(), clientX: e.clientX, clientY: e.clientY });
+                this.onBrowseClickHandler().script.run({ documentView: this._props.DocumentView?.(), clientX: e.clientX, clientY: e.clientY });
                 e.stopPropagation();
                 e.preventDefault();
             } else if (this.isContentActive() && e.shiftKey) {
@@ -733,9 +743,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const ctrlKey = e.ctrlKey && !e.shiftKey;
         const shiftKey = e.shiftKey && !e.ctrlKey;
         PresBox.Instance?.pauseAutoPres();
-        this.props.DocumentView?.().clearViewTransition();
+        this._props.DocumentView?.().clearViewTransition();
         const [dxi, dyi] = this.screenToLocalXf.transformDirection(e.clientX - this._lastX, e.clientY - this._lastY);
-        const { x: dx, y: dy } = Utils.rotPt(dxi, dyi, this.props.ScreenToLocalTransform().Rotate);
+        const { x: dx, y: dy } = Utils.rotPt(dxi, dyi, this._props.ScreenToLocalTransform().Rotate);
         this.setPan(NumCast(this.Document[this.panXFieldKey]) - (ctrlKey ? 0 : dx), NumCast(this.Document[this.panYFieldKey]) - (shiftKey ? 0 : dy), 0, true);
         this._lastX = e.clientX;
         this._lastY = e.clientY;
@@ -788,7 +798,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             return true;
         }
         // pan the view if this is a regular collection, or it's an overlay and the overlay is zoomed (otherwise, there's nothing to pan)
-        if (!this.props.isAnnotationOverlay || 1 - NumCast(this.layoutDoc._freeform_scale_min, 1) / this.zoomScaling()) {
+        if (!this._props.isAnnotationOverlay || 1 - NumCast(this.layoutDoc._freeform_scale_min, 1) / this.zoomScaling()) {
             this.pan(e);
             e.stopPropagation(); // if we are actually panning, stop propagation -- this will preven things like the overlayView from dragging the document while we're panning
         }
@@ -804,7 +814,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const eraserMax = { X: Math.max(lastPoint.X, currPoint.X), Y: Math.max(lastPoint.Y, currPoint.Y) };
 
         return this.childDocs
-            .map(doc => DocumentManager.Instance.getDocumentView(doc, this.props.DocumentView?.()))
+            .map(doc => DocumentManager.Instance.getDocumentView(doc, this._props.DocumentView?.()))
             .filter(inkView => inkView?.ComponentView instanceof InkingStroke)
             .map(inkView => ({ inkViewBounds: inkView!.getBounds(), inkStroke: inkView!.ComponentView as InkingStroke, inkView: inkView! }))
             .filter(
@@ -901,7 +911,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         this.childDocs
             .filter(doc => doc.type === DocumentType.INK && !doc.dontIntersect)
             .forEach(doc => {
-                const otherInk = DocumentManager.Instance.getDocumentView(doc, this.props.DocumentView?.())?.ComponentView as InkingStroke;
+                const otherInk = DocumentManager.Instance.getDocumentView(doc, this._props.DocumentView?.())?.ComponentView as InkingStroke;
                 const { inkData: otherInkData } = otherInk?.inkScaledData() ?? { inkData: [] };
                 const otherScreenPts = otherInkData.map(point => otherInk.ptToScreen(point));
                 const otherCtrlPts = otherScreenPts.map(spt => (ink.ComponentView as InkingStroke).ptFromScreen(spt));
@@ -933,7 +943,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     @action
     zoom = (pointX: number, pointY: number, deltaY: number): void => {
-        if (this.Document.isGroup || this.Document[(this.props.viewField ?? '_') + 'freeform_noZoom']) return;
+        if (this.Document.isGroup || this.Document[(this._props.viewField ?? '_') + 'freeform_noZoom']) return;
         let deltaScale = deltaY > 0 ? 1 / 1.05 : 1.05;
         if (deltaScale < 0) deltaScale = -deltaScale;
         const [x, y] = this.screenToLocalXf.transformPoint(pointX, pointY);
@@ -955,8 +965,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const localTransform = invTransform.scaleAbout(deltaScale, x, y);
         if (localTransform.Scale >= 0.05 || localTransform.Scale > this.zoomScaling()) {
             const safeScale = Math.min(Math.max(0.05, localTransform.Scale), 20);
-            this.props.Document[this.scaleFieldKey] = Math.abs(safeScale);
-            this.setPan(-localTransform.TranslateX / safeScale, (this.props.originTopLeft ? undefined : NumCast(this.props.Document.layout_scrollTop) * safeScale) || -localTransform.TranslateY / safeScale);
+            this._props.Document[this.scaleFieldKey] = Math.abs(safeScale);
+            this.setPan(-localTransform.TranslateX / safeScale, (this._props.originTopLeft ? undefined : NumCast(this._props.Document.layout_scrollTop) * safeScale) || -localTransform.TranslateY / safeScale);
         }
     };
 
@@ -964,10 +974,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     onPointerWheel = (e: React.WheelEvent): void => {
         if (this.Document.isGroup || !this.isContentActive()) return; // group style collections neither pan nor zoom
         PresBox.Instance?.pauseAutoPres();
-        if (this.layoutDoc._Transform || this.props.Document.treeView_OutlineMode === TreeViewType.outline) return;
+        if (this.layoutDoc._Transform || this._props.Document.treeView_OutlineMode === TreeViewType.outline) return;
         e.stopPropagation();
         const docHeight = NumCast(this.Document[Doc.LayoutFieldKey(this.Document) + '_nativeHeight'], this.nativeHeight);
-        const scrollable = this.isAnnotationOverlay && NumCast(this.layoutDoc[this.scaleFieldKey], 1) === 1 && docHeight > this.props.PanelHeight() / this.nativeDimScaling + 1e-4;
+        const scrollable = this.isAnnotationOverlay && NumCast(this.layoutDoc[this.scaleFieldKey], 1) === 1 && docHeight > this._props.PanelHeight() / this.nativeDimScaling + 1e-4;
         switch (
             !e.ctrlKey && !e.shiftKey && !e.metaKey && !e.altKey ?//
                 Doc.UserDoc().freeformScrollMode : // no modifiers, do assigned mode
@@ -975,7 +985,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                         freeformScrollMode.Zoom : freeformScrollMode.Pan // prettier-ignore
         ) {
             case freeformScrollMode.Pan:
-                if (((!e.metaKey && !e.altKey) || Doc.UserDoc().freeformScrollMode === freeformScrollMode.Zoom) && this.props.isContentActive(true)) {
+                if (((!e.metaKey && !e.altKey) || Doc.UserDoc().freeformScrollMode === freeformScrollMode.Zoom) && this._props.isContentActive(true)) {
                     const deltaX = e.shiftKey ? e.deltaX : e.ctrlKey ? 0 : e.deltaX;
                     const deltaY = e.shiftKey ? 0 : e.ctrlKey ? e.deltaY : e.deltaY;
                     this.scrollPan({ deltaX: -deltaX * this.screenToLocalXf.Scale, deltaY: e.shiftKey ? 0 : -deltaY * this.screenToLocalXf.Scale });
@@ -983,8 +993,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 }
             default:
             case freeformScrollMode.Zoom:
-                if ((e.ctrlKey || !scrollable) && this.props.isContentActive(true)) {
-                    this.zoom(e.clientX, e.clientY, Math.max(-1, Math.min(1, e.deltaY))); // if (!this.props.isAnnotationOverlay) // bcz: do we want to zoom in on images/videos/etc?
+                if ((e.ctrlKey || !scrollable) && this._props.isContentActive(true)) {
+                    this.zoom(e.clientX, e.clientY, Math.max(-1, Math.min(1, e.deltaY))); // if (!this._props.isAnnotationOverlay) // bcz: do we want to zoom in on images/videos/etc?
                     e.preventDefault();
                 }
                 break;
@@ -1013,19 +1023,19 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                         yrange: { min: Math.min(yrange.min, pos.y), max: Math.max(yrange.max, pos.y + (size.height || 0)) },
                     }),
                     {
-                        xrange: { min: this.props.originTopLeft ? 0 : Number.MAX_VALUE, max: -Number.MAX_VALUE },
-                        yrange: { min: this.props.originTopLeft ? 0 : Number.MAX_VALUE, max: -Number.MAX_VALUE },
+                        xrange: { min: this._props.originTopLeft ? 0 : Number.MAX_VALUE, max: -Number.MAX_VALUE },
+                        yrange: { min: this._props.originTopLeft ? 0 : Number.MAX_VALUE, max: -Number.MAX_VALUE },
                     }
                 );
-                const scaling = this.zoomScaling() * (this.props.NativeDimScaling?.() || 1);
-                const panelWidMax = (this.props.PanelWidth() / scaling) * (this.props.originTopLeft ? 2 / this.nativeDimScaling : 1);
-                const panelWidMin = (this.props.PanelWidth() / scaling) * (this.props.originTopLeft ? 0 : 1);
-                const panelHgtMax = (this.props.PanelHeight() / scaling) * (this.props.originTopLeft ? 2 / this.nativeDimScaling : 1);
-                const panelHgtMin = (this.props.PanelHeight() / scaling) * (this.props.originTopLeft ? 0 : 1);
-                if (ranges.xrange.min >= panX + panelWidMax / 2) panX = ranges.xrange.max + (this.props.originTopLeft ? 0 : panelWidMax / 2);
-                else if (ranges.xrange.max <= panX - panelWidMin / 2) panX = ranges.xrange.min - (this.props.originTopLeft ? panelWidMax / 2 : panelWidMin / 2);
-                if (ranges.yrange.min >= panY + panelHgtMax / 2) panY = ranges.yrange.max + (this.props.originTopLeft ? 0 : panelHgtMax / 2);
-                else if (ranges.yrange.max <= panY - panelHgtMin / 2) panY = ranges.yrange.min - (this.props.originTopLeft ? panelHgtMax / 2 : panelHgtMin / 2);
+                const scaling = this.zoomScaling() * (this._props.NativeDimScaling?.() || 1);
+                const panelWidMax = (this._props.PanelWidth() / scaling) * (this._props.originTopLeft ? 2 / this.nativeDimScaling : 1);
+                const panelWidMin = (this._props.PanelWidth() / scaling) * (this._props.originTopLeft ? 0 : 1);
+                const panelHgtMax = (this._props.PanelHeight() / scaling) * (this._props.originTopLeft ? 2 / this.nativeDimScaling : 1);
+                const panelHgtMin = (this._props.PanelHeight() / scaling) * (this._props.originTopLeft ? 0 : 1);
+                if (ranges.xrange.min >= panX + panelWidMax / 2) panX = ranges.xrange.max + (this._props.originTopLeft ? 0 : panelWidMax / 2);
+                else if (ranges.xrange.max <= panX - panelWidMin / 2) panX = ranges.xrange.min - (this._props.originTopLeft ? panelWidMax / 2 : panelWidMin / 2);
+                if (ranges.yrange.min >= panY + panelHgtMax / 2) panY = ranges.yrange.max + (this._props.originTopLeft ? 0 : panelHgtMax / 2);
+                else if (ranges.yrange.max <= panY - panelHgtMin / 2) panY = ranges.yrange.min - (this._props.originTopLeft ? panelHgtMax / 2 : panelHgtMin / 2);
             }
         }
         if (!this.layoutDoc._lockedTransform || LightboxView.LightboxDoc) {
@@ -1036,13 +1046,13 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             const minPanY = NumCast(this.dataDoc._freeform_panY_min, 0);
             const maxPanX = NumCast(this.dataDoc._freeform_panX_max, this.nativeWidth);
             const newPanX = Math.min(minPanX + scale * maxPanX, Math.max(minPanX, panX));
-            const fitYscroll = (((this.nativeHeight / this.nativeWidth) * this.props.PanelWidth() - this.props.PanelHeight()) * this.props.ScreenToLocalTransform().Scale) / minScale;
-            const nativeHeight = (this.props.PanelHeight() / this.props.PanelWidth() / (this.nativeHeight / this.nativeWidth)) * this.nativeHeight;
-            const maxScrollTop = this.nativeHeight / this.props.ScreenToLocalTransform().Scale - this.props.PanelHeight();
+            const fitYscroll = (((this.nativeHeight / this.nativeWidth) * this._props.PanelWidth() - this._props.PanelHeight()) * this._props.ScreenToLocalTransform().Scale) / minScale;
+            const nativeHeight = (this._props.PanelHeight() / this._props.PanelWidth() / (this.nativeHeight / this.nativeWidth)) * this.nativeHeight;
+            const maxScrollTop = this.nativeHeight / this._props.ScreenToLocalTransform().Scale - this._props.PanelHeight();
             const maxPanY =
                 minPanY + // minPanY + scrolling introduced by view scaling + scrolling introduced by layout_fitWidth
                 scale * NumCast(this.dataDoc._panY_max, nativeHeight) +
-                (!this.props.getScrollHeight?.() ? fitYscroll : 0); // when not zoomed, scrolling is handled via a scrollbar, not panning
+                (!this._props.getScrollHeight?.() ? fitYscroll : 0); // when not zoomed, scrolling is handled via a scrollbar, not panning
             let newPanY = Math.max(minPanY, Math.min(maxPanY, panY));
             if (false && NumCast(this.layoutDoc.layout_scrollTop) && NumCast(this.layoutDoc._freeform_scale, minScale) !== minScale) {
                 const relTop = NumCast(this.layoutDoc.layout_scrollTop) / maxScrollTop;
@@ -1061,11 +1071,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
     @action
     nudge = (x: number, y: number, nudgeTime: number = 500) => {
-        const collectionDoc = this.props.docViewPath().lastElement().Document;
+        const collectionDoc = this._props.docViewPath().lastElement().Document;
         if (collectionDoc?._type_collection !== CollectionViewType.Freeform) {
             this.setPan(
-                NumCast(this.layoutDoc[this.panXFieldKey]) + ((this.props.PanelWidth() / 2) * x) / this.zoomScaling(), // nudge x,y as a function of panel dimension and scale
-                NumCast(this.layoutDoc[this.panYFieldKey]) + ((this.props.PanelHeight() / 2) * -y) / this.zoomScaling(),
+                NumCast(this.layoutDoc[this.panXFieldKey]) + ((this._props.PanelWidth() / 2) * x) / this.zoomScaling(), // nudge x,y as a function of panel dimension and scale
+                NumCast(this.layoutDoc[this.panYFieldKey]) + ((this._props.PanelHeight() / 2) * -y) / this.zoomScaling(),
                 nudgeTime,
                 true
             );
@@ -1132,20 +1142,20 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             const newScale =
                 scale === 0
                     ? NumCast(this.layoutDoc[this.scaleFieldKey])
-                    : Math.min(maxZoom, (1 / (this.nativeDimScaling || 1)) * scale * Math.min(this.props.PanelWidth() / Math.abs(bounds.width), this.props.PanelHeight() / Math.abs(bounds.height)));
+                    : Math.min(maxZoom, (1 / (this.nativeDimScaling || 1)) * scale * Math.min(this._props.PanelWidth() / Math.abs(bounds.width), this._props.PanelHeight() / Math.abs(bounds.height)));
             return {
-                panX: this.props.isAnnotationOverlay ? bounds.left - (Doc.NativeWidth(this.layoutDoc) / newScale - bounds.width) / 2 : (bounds.left + bounds.right) / 2,
-                panY: this.props.isAnnotationOverlay ? bounds.top - (Doc.NativeHeight(this.layoutDoc) / newScale - bounds.height) / 2 : (bounds.top + bounds.bot) / 2,
+                panX: this._props.isAnnotationOverlay ? bounds.left - (Doc.NativeWidth(this.layoutDoc) / newScale - bounds.width) / 2 : (bounds.left + bounds.right) / 2,
+                panY: this._props.isAnnotationOverlay ? bounds.top - (Doc.NativeHeight(this.layoutDoc) / newScale - bounds.height) / 2 : (bounds.top + bounds.bot) / 2,
                 scale: newScale,
             };
         }
 
-        const panelWidth = this.props.isAnnotationOverlay ? this.nativeWidth : this.props.PanelWidth();
-        const panelHeight = this.props.isAnnotationOverlay ? this.nativeHeight : this.props.PanelHeight();
+        const panelWidth = this._props.isAnnotationOverlay ? this.nativeWidth : this._props.PanelWidth();
+        const panelHeight = this._props.isAnnotationOverlay ? this.nativeHeight : this._props.PanelHeight();
         const pw = panelWidth / NumCast(this.layoutDoc._freeform_scale, 1);
         const ph = panelHeight / NumCast(this.layoutDoc._freeform_scale, 1);
-        const cx = NumCast(this.layoutDoc[this.panXFieldKey]) + (this.props.isAnnotationOverlay ? pw / 2 : 0);
-        const cy = NumCast(this.layoutDoc[this.panYFieldKey]) + (this.props.isAnnotationOverlay ? ph / 2 : 0);
+        const cx = NumCast(this.layoutDoc[this.panXFieldKey]) + (this._props.isAnnotationOverlay ? pw / 2 : 0);
+        const cy = NumCast(this.layoutDoc[this.panYFieldKey]) + (this._props.isAnnotationOverlay ? ph / 2 : 0);
         const screen = { left: cx - pw / 2, right: cx + pw / 2, top: cy - ph / 2, bot: cy + ph / 2 };
         const maxYShift = Math.max(0, screen.bot - screen.top - (bounds.bot - bounds.top));
         const phborder = bounds.top < screen.top || bounds.bot > screen.bot ? Math.min(ph / 10, maxYShift / 2) : 0;
@@ -1153,19 +1163,18 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             return {
                 panX: (bounds.left + bounds.right) / 2,
                 panY: (bounds.top + bounds.bot) / 2,
-                scale: Math.min(this.props.PanelHeight() / (bounds.bot - bounds.top), this.props.PanelWidth() / (bounds.right - bounds.left)) / 1.1,
+                scale: Math.min(this._props.PanelHeight() / (bounds.bot - bounds.top), this._props.PanelWidth() / (bounds.right - bounds.left)) / 1.1,
             };
         }
         return {
-            panX: (this.props.isAnnotationOverlay ? NumCast(this.layoutDoc[this.panXFieldKey]) : cx) + Math.min(0, bounds.left - pw / 10 - screen.left) + Math.max(0, bounds.right + pw / 10 - screen.right),
-            panY: (this.props.isAnnotationOverlay ? NumCast(this.layoutDoc[this.panYFieldKey]) : cy) + Math.min(0, bounds.top - phborder - screen.top) + Math.max(0, bounds.bot + phborder - screen.bot),
+            panX: (this._props.isAnnotationOverlay ? NumCast(this.layoutDoc[this.panXFieldKey]) : cx) + Math.min(0, bounds.left - pw / 10 - screen.left) + Math.max(0, bounds.right + pw / 10 - screen.right),
+            panY: (this._props.isAnnotationOverlay ? NumCast(this.layoutDoc[this.panYFieldKey]) : cy) + Math.min(0, bounds.top - phborder - screen.top) + Math.max(0, bounds.bot + phborder - screen.bot),
         };
     };
 
-    isContentActive = () => this.props.isContentActive();
+    isContentActive = () => this._props.isContentActive();
 
     @undoBatch
-    @action
     onKeyDown = (e: React.KeyboardEvent, fieldProps: FieldViewProps) => {
         const docView = fieldProps.DocumentView?.();
         if (docView && (e.metaKey || e.ctrlKey || e.altKey || docView.Document._createDocOnCR) && ['Tab', 'Enter'].includes(e.key)) {
@@ -1186,21 +1195,21 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }
     };
     @computed get childPointerEvents() {
-        const engine = this.props.layoutEngine?.() || StrCast(this.props.Document._layoutEngine);
+        const engine = this._props.layoutEngine?.() || StrCast(this._props.Document._layoutEngine);
         const pointerevents = DocumentView.Interacting
             ? 'none'
-            : this.props.childPointerEvents?.() ??
-              (this.props.viewDefDivClick || //
-              (engine === computePassLayout.name && !this.props.isSelected()) ||
+            : this._props.childPointerEvents?.() ??
+              (this._props.viewDefDivClick || //
+              (engine === computePassLayout.name && !this._props.isSelected()) ||
               this.isContentActive() === false
                   ? 'none'
-                  : this.props.pointerEvents?.());
+                  : this._props.pointerEvents?.());
         return pointerevents;
     }
 
-    @observable _childPointerEvents: 'none' | 'all' | 'visiblepainted' | undefined;
+    @observable _childPointerEvents: 'none' | 'all' | 'visiblepainted' | undefined = undefined;
     childPointerEventsFunc = () => this._childPointerEvents;
-    childContentsActive = () => (this.props.childContentsActive ?? this.isContentActive() === false ? returnFalse : emptyFunction)();
+    childContentsActive = () => (this._props.childContentsActive ?? this.isContentActive() === false ? returnFalse : emptyFunction)();
     getChildDocView(entry: PoolData) {
         const childLayout = entry.pair.layout;
         const childData = entry.pair.data;
@@ -1212,50 +1221,50 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 TemplateDataDocument={childData}
                 dragStarting={this.dragStarting}
                 dragEnding={this.dragEnding}
-                isGroupActive={this.props.isGroupActive}
-                renderDepth={this.props.renderDepth + 1}
+                isGroupActive={this._props.isGroupActive}
+                renderDepth={this._props.renderDepth + 1}
                 hideDecorations={BoolCast(childLayout._layout_isSvg && childLayout.type === DocumentType.LINK)}
                 suppressSetHeight={this.layoutEngine ? true : false}
                 RenderCutoffProvider={this.renderCutoffProvider}
                 CollectionFreeFormView={this}
-                LayoutTemplate={childLayout.z ? undefined : this.props.childLayoutTemplate}
-                LayoutTemplateString={childLayout.z ? undefined : this.props.childLayoutString}
+                LayoutTemplate={childLayout.z ? undefined : this._props.childLayoutTemplate}
+                LayoutTemplateString={childLayout.z ? undefined : this._props.childLayoutString}
                 rootSelected={childData ? this.rootSelected : returnFalse}
-                waitForDoubleClickToClick={this.props.waitForDoubleClickToClick}
+                waitForDoubleClickToClick={this._props.waitForDoubleClickToClick}
                 onClick={this.onChildClickHandler}
                 onKey={this.onKeyDown}
                 onDoubleClick={this.onChildDoubleClickHandler}
                 onBrowseClick={this.onBrowseClickHandler}
-                ScreenToLocalTransform={childLayout.z ? this.props.ScreenToLocalTransform : this.ScreenToLocalXf}
+                ScreenToLocalTransform={childLayout.z ? this._props.ScreenToLocalTransform : this.ScreenToLocalXf}
                 PanelWidth={childLayout[Width]}
                 PanelHeight={childLayout[Height]}
                 childFilters={this.childDocFilters}
                 childFiltersByRanges={this.childDocRangeFilters}
                 searchFilterDocs={this.searchFilterDocs}
-                isDocumentActive={childLayout.pointerEvents === 'none' ? returnFalse : this.props.childDocumentsActive?.() ? this.props.isDocumentActive : this.isContentActive}
+                isDocumentActive={childLayout.pointerEvents === 'none' ? returnFalse : this._props.childDocumentsActive?.() ? this._props.isDocumentActive : this.isContentActive}
                 isContentActive={this.childContentsActive}
-                focus={this.Document.isGroup ? this.groupFocus : this.isAnnotationOverlay ? this.props.focus : this.focus}
+                focus={this.Document.isGroup ? this.groupFocus : this.isAnnotationOverlay ? this._props.focus : this.focus}
                 addDocTab={this.addDocTab}
-                addDocument={this.props.addDocument}
-                removeDocument={this.props.removeDocument}
-                moveDocument={this.props.moveDocument}
-                pinToPres={this.props.pinToPres}
-                whenChildContentsActiveChanged={this.props.whenChildContentsActiveChanged}
-                docViewPath={this.props.docViewPath}
+                addDocument={this._props.addDocument}
+                removeDocument={this._props.removeDocument}
+                moveDocument={this._props.moveDocument}
+                pinToPres={this._props.pinToPres}
+                whenChildContentsActiveChanged={this._props.whenChildContentsActiveChanged}
+                docViewPath={this._props.docViewPath}
                 styleProvider={this.clusterStyleProvider}
-                dragAction={(this.Document.childDragAction ?? this.props.childDragAction) as dropActionType}
+                dragAction={(this.Document.childDragAction ?? this._props.childDragAction) as dropActionType}
                 bringToFront={this.bringToFront}
-                layout_showTitle={this.props.childlayout_showTitle}
-                dontRegisterView={this.props.dontRegisterView}
+                layout_showTitle={this._props.childlayout_showTitle}
+                dontRegisterView={this._props.dontRegisterView}
                 pointerEvents={this.childPointerEventsFunc}
             />
         );
     }
     addDocTab = action((doc: Doc, where: OpenWhere) => {
-        if (this.props.isAnnotationOverlay) return this.props.addDocTab(doc, where);
+        if (this._props.isAnnotationOverlay) return this._props.addDocTab(doc, where);
         switch (where) {
             case OpenWhere.inParent:
-                return this.props.addDocument?.(doc) || false;
+                return this._props.addDocument?.(doc) || false;
             case OpenWhere.inParentFromScreen:
                 const docContext = DocCast((doc instanceof Doc ? doc : doc?.[0])?.embedContainer);
                 return (
@@ -1267,7 +1276,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                             return doc;
                         })
                     ) &&
-                        (!docContext || this.props.removeDocument?.(docContext))) ||
+                        (!docContext || this._props.removeDocument?.(docContext))) ||
                     false
                 );
             case undefined:
@@ -1281,9 +1290,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                     return true;
                 }
         }
-        return this.props.addDocTab(doc, where);
+        return this._props.addDocTab(doc, where);
     });
-    @observable _lightboxDoc: Opt<Doc>;
+    @observable _lightboxDoc: Opt<Doc> = undefined;
 
     getCalculatedPositions(pair: { layout: Doc; data?: Doc }): PoolData {
         const random = (min: number, max: number, x: number, y: number) => /* min should not be equal to max */ min + (((Math.abs(x * y) * 9301 + 49297) % 233280) / 233280) * (max - min);
@@ -1295,7 +1304,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         const { backgroundColor, color } = contentFrameNumber === undefined ? { backgroundColor: undefined, color: undefined } : CollectionFreeFormDocumentView.getStringValues(childDoc, contentFrameNumber);
         const { x, y, autoDim, _width, _height, opacity, _rotation } =
             layoutFrameNumber === undefined // -1 for width/height means width/height should be PanelWidth/PanelHeight (prevents collectionfreeformdocumentview width/height from getting out of synch with panelWIdth/Height which causes detailView to re-render and lose focus because HTMLtag scaling gets set to a bad intermediate value)
-                ? { autoDim: 1, _width: Cast(childDoc._width, 'number'), _height: Cast(childDoc._height, 'number'), _rotation: Cast(childDocLayout._rotation, 'number'), x: childDoc.x, y: childDoc.y, opacity: this.props.childOpacity?.() }
+                ? { autoDim: 1, _width: Cast(childDoc._width, 'number'), _height: Cast(childDoc._height, 'number'), _rotation: Cast(childDocLayout._rotation, 'number'), x: childDoc.x, y: childDoc.y, opacity: this._props.childOpacity?.() }
                 : CollectionFreeFormDocumentView.getValues(childDoc, layoutFrameNumber);
         // prettier-ignore
         const rotation = Cast(_rotation,'number',
@@ -1307,9 +1316,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             z: Cast(z, 'number'),
             autoDim,
             rotation,
-            color: Cast(color, 'string') ? StrCast(color) : this.props.styleProvider?.(childDoc, this.props, StyleProp.Color),
-            backgroundColor: Cast(backgroundColor, 'string') ? StrCast(backgroundColor) : this.clusterStyleProvider(childDoc, this.props, StyleProp.BackgroundColor),
-            opacity: !_width ? 0 : this._keyframeEditing ? 1 : Cast(opacity, 'number') ?? this.props.styleProvider?.(childDoc, this.props, StyleProp.Opacity),
+            color: Cast(color, 'string') ? StrCast(color) : this._props.styleProvider?.(childDoc, this._props, StyleProp.Color),
+            backgroundColor: Cast(backgroundColor, 'string') ? StrCast(backgroundColor) : this.clusterStyleProvider(childDoc, this._props, StyleProp.BackgroundColor),
+            opacity: !_width ? 0 : this._keyframeEditing ? 1 : Cast(opacity, 'number') ?? this._props.styleProvider?.(childDoc, this._props, StyleProp.Opacity),
             zIndex: Cast(zIndex, 'number'),
             width: _width,
             height: _height,
@@ -1321,7 +1330,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 
     onViewDefDivClick = (e: React.MouseEvent, payload: any) => {
-        (this.props.viewDefDivClick || ScriptCast(this.props.Document.onViewDefDivClick))?.script.run({ this: this.props.Document, payload });
+        (this._props.viewDefDivClick || ScriptCast(this._props.Document.onViewDefDivClick))?.script.run({ this: this._props.Document, payload });
         e.stopPropagation();
     };
 
@@ -1376,7 +1385,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         poolData: Map<string, PoolData>,
         engine: (poolData: Map<string, PoolData>, pivotDoc: Doc, childPairs: { layout: Doc; data?: Doc }[], panelDim: number[], viewDefsToJSX: (views: ViewDefBounds[]) => ViewDefResult[], engineProps: any) => ViewDefResult[]
     ) {
-        return engine(poolData, this.props.Document, this.childLayoutPairs, [this.props.PanelWidth(), this.props.PanelHeight()], this.viewDefsToJSX, this.props.engineProps);
+        return engine(poolData, this._props.Document, this.childLayoutPairs, [this._props.PanelWidth(), this._props.PanelHeight()], this.viewDefsToJSX, this._props.engineProps);
     }
 
     doFreeformLayout(poolData: Map<string, PoolData>) {
@@ -1385,7 +1394,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     }
 
     @computed get layoutEngine() {
-        return this.props.layoutEngine?.() || StrCast(this.layoutDoc._layoutEngine);
+        return this._props.layoutEngine?.() || StrCast(this.layoutDoc._layoutEngine);
     }
     @computed get doInternalLayoutComputation() {
         TraceMobx();
@@ -1423,10 +1432,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         PresBox.pinDocView(anchor, { pinDocLayout: pinProps?.pinDocLayout, pinData: { ...(pinProps?.pinData ?? {}), pannable: !this.Document.isGroup, type_collection: true, filters: true } }, this.Document);
 
         if (addAsAnnotation) {
-            if (Cast(this.dataDoc[this.props.fieldKey + '_annotations'], listSpec(Doc), null) !== undefined) {
-                Cast(this.dataDoc[this.props.fieldKey + '_annotations'], listSpec(Doc), []).push(anchor);
+            if (Cast(this.dataDoc[this._props.fieldKey + '_annotations'], listSpec(Doc), null) !== undefined) {
+                Cast(this.dataDoc[this._props.fieldKey + '_annotations'], listSpec(Doc), []).push(anchor);
             } else {
-                this.dataDoc[this.props.fieldKey + '_annotations'] = new List<Doc>([anchor]);
+                this.dataDoc[this._props.fieldKey + '_annotations'] = new List<Doc>([anchor]);
             }
         }
         return anchor;
@@ -1435,7 +1444,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     infoUI = () => <CollectionFreeFormInfoUI Document={this.Document} Freeform={this} />;
 
     componentDidMount() {
-        this.props.setContentView?.(this);
+        this._props.setContentView?.(this);
         super.componentDidMount?.();
         setTimeout(
             action(() => {
@@ -1473,15 +1482,15 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
                 this._disposers.pointerevents = reaction(
                     () => {
-                        const engine = this.props.layoutEngine?.() || StrCast(this.props.Document._layoutEngine);
+                        const engine = this._props.layoutEngine?.() || StrCast(this._props.Document._layoutEngine);
                         return DocumentView.Interacting
                             ? 'none'
-                            : this.props.childPointerEvents?.() ??
-                                  (this.props.viewDefDivClick || //
-                                  (engine === computePassLayout.name && !this.props.isSelected()) ||
+                            : this._props.childPointerEvents?.() ??
+                                  (this._props.viewDefDivClick || //
+                                  (engine === computePassLayout.name && !this._props.isSelected()) ||
                                   this.isContentActive() === false
                                       ? 'none'
-                                      : this.props.pointerEvents?.());
+                                      : this._props.pointerEvents?.());
                     },
                     pointerevents => (this._childPointerEvents = pointerevents as any),
                     { fireImmediately: true }
@@ -1536,11 +1545,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     updateIcon = () =>
         CollectionFreeFormView.UpdateIcon(
             this.layoutDoc[Id] + '-icon' + new Date().getTime(),
-            this.props.docViewPath().lastElement().ContentDiv!,
+            this._props.docViewPath().lastElement().ContentDiv!,
             NumCast(this.layoutDoc._width),
             NumCast(this.layoutDoc._height),
-            this.props.PanelWidth(),
-            this.props.PanelHeight(),
+            this._props.PanelWidth(),
+            this._props.PanelHeight(),
             0,
             1,
             false,
@@ -1600,7 +1609,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             doc.x = scr?.[0];
             doc.y = scr?.[1];
         });
-        this.props.addDocTab(childDocs as any as Doc, OpenWhere.inParentFromScreen);
+        this._props.addDocTab(childDocs as any as Doc, OpenWhere.inParentFromScreen);
     };
 
     @undoBatch
@@ -1643,28 +1652,28 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     };
 
     onContextMenu = (e: React.MouseEvent) => {
-        if (this.props.isAnnotationOverlay || !ContextMenu.Instance) return;
+        if (this._props.isAnnotationOverlay || !ContextMenu.Instance) return;
 
         const appearance = ContextMenu.Instance.findByDescription('Appearance...');
         const appearanceItems = appearance && 'subitems' in appearance ? appearance.subitems : [];
-        !this.props.Document.isGroup && appearanceItems.push({ description: 'Reset View', event: this.resetView, icon: 'compress-arrows-alt' });
-        !this.props.Document.isGroup && appearanceItems.push({ description: 'Toggle Auto Reset View', event: this.toggleResetView, icon: 'compress-arrows-alt' });
+        !this._props.Document.isGroup && appearanceItems.push({ description: 'Reset View', event: this.resetView, icon: 'compress-arrows-alt' });
+        !this._props.Document.isGroup && appearanceItems.push({ description: 'Toggle Auto Reset View', event: this.toggleResetView, icon: 'compress-arrows-alt' });
         !Doc.noviceMode &&
             appearanceItems.push({
                 description: 'Toggle auto arrange',
                 event: () => (this.layoutDoc._autoArrange = !this.layoutDoc._autoArrange),
                 icon: 'compress-arrows-alt',
             });
-        if (this.props.setContentView === emptyFunction) {
+        if (this._props.setContentView === emptyFunction) {
             !appearance && ContextMenu.Instance.addItem({ description: 'Appearance...', subitems: appearanceItems, icon: 'eye' });
             return;
         }
         !Doc.noviceMode && Doc.UserDoc().defaultTextLayout && appearanceItems.push({ description: 'Reset default note style', event: () => (Doc.UserDoc().defaultTextLayout = undefined), icon: 'eye' });
-        appearanceItems.push({ description: `Pin View`, event: () => this.props.pinToPres(this.Document, { pinViewport: MarqueeView.CurViewBounds(this.dataDoc, this.props.PanelWidth(), this.props.PanelHeight()) }), icon: 'map-pin' });
+        appearanceItems.push({ description: `Pin View`, event: () => this._props.pinToPres(this.Document, { pinViewport: MarqueeView.CurViewBounds(this.dataDoc, this._props.PanelWidth(), this._props.PanelHeight()) }), icon: 'map-pin' });
         !Doc.noviceMode && appearanceItems.push({ description: `update icon`, event: this.updateIcon, icon: 'compress-arrows-alt' });
-        this.props.renderDepth && appearanceItems.push({ description: 'Ungroup collection', event: this.promoteCollection, icon: 'table' });
+        this._props.renderDepth && appearanceItems.push({ description: 'Ungroup collection', event: this.promoteCollection, icon: 'table' });
 
-        this.props.Document.isGroup && this.Document.transcription && appearanceItems.push({ description: 'Ink to text', event: this.transcribeStrokes, icon: 'font' });
+        this._props.Document.isGroup && this.Document.transcription && appearanceItems.push({ description: 'Ink to text', event: this.transcribeStrokes, icon: 'font' });
 
         !Doc.noviceMode ? appearanceItems.push({ description: 'Arrange contents in grid', event: this.layoutDocsInGrid, icon: 'table' }) : null;
         !Doc.noviceMode ? appearanceItems.push({ description: (this.Document._freeform_useClusters ? 'Hide' : 'Show') + ' Clusters', event: () => this.updateClusters(!this.Document._freeform_useClusters), icon: 'braille' }) : null;
@@ -1672,11 +1681,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
 
         const options = ContextMenu.Instance.findByDescription('Options...');
         const optionItems = options && 'subitems' in options ? options.subitems : [];
-        !this.props.isAnnotationOverlay &&
+        !this._props.isAnnotationOverlay &&
             !Doc.noviceMode &&
             optionItems.push({ description: (this._showAnimTimeline ? 'Close' : 'Open') + ' Animation Timeline', event: action(() => (this._showAnimTimeline = !this._showAnimTimeline)), icon: 'eye' });
-        this.props.renderDepth && optionItems.push({ description: 'Use Background Color as Default', event: () => (Cast(Doc.UserDoc().emptyCollection, Doc, null)._backgroundColor = StrCast(this.layoutDoc._backgroundColor)), icon: 'palette' });
-        this.props.renderDepth && optionItems.push({ description: 'Fit Content Once', event: this.fitContentOnce, icon: 'object-group' });
+        this._props.renderDepth && optionItems.push({ description: 'Use Background Color as Default', event: () => (Cast(Doc.UserDoc().emptyCollection, Doc, null)._backgroundColor = StrCast(this.layoutDoc._backgroundColor)), icon: 'palette' });
+        this._props.renderDepth && optionItems.push({ description: 'Fit Content Once', event: this.fitContentOnce, icon: 'object-group' });
         if (!Doc.noviceMode) {
             optionItems.push({ description: (!Doc.NativeWidth(this.layoutDoc) || !Doc.NativeHeight(this.layoutDoc) ? 'Freeze' : 'Unfreeze') + ' Aspect', event: this.toggleNativeDimensions, icon: 'snowflake' });
         }
@@ -1687,10 +1696,9 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     };
 
     @undoBatch
-    @action
     transcribeStrokes = () => {
-        if (this.props.Document.isGroup && this.props.Document.transcription) {
-            const text = StrCast(this.props.Document.transcription);
+        if (this._props.Document.isGroup && this._props.Document.transcription) {
+            const text = StrCast(this._props.Document.transcription);
             const lines = text.split('\n');
             const height = 30 + 15 * lines.length;
 
@@ -1709,7 +1717,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         visited.add(this.Document);
         showGroupDragTarget && (this.GroupChildDrag = BoolCast(this.Document.isGroup));
         const activeDocs = this.getActiveDocuments();
-        const size = this.screenToLocalXf.transformDirection(this.props.PanelWidth(), this.props.PanelHeight());
+        const size = this.screenToLocalXf.transformDirection(this._props.PanelWidth(), this._props.PanelHeight());
         const selRect = { left: this.panX() - size[0] / 2, top: this.panY() - size[1] / 2, width: size[0], height: size[1] };
         const docDims = (doc: Doc) => ({ left: NumCast(doc.x), top: NumCast(doc.y), width: NumCast(doc._width), height: NumCast(doc._height) });
         const isDocInView = (doc: Doc, rect: { left: number; top: number; width: number; height: number }) => intersectRect(docDims(doc), rect);
@@ -1738,7 +1746,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     incrementalRendering = () => this.childDocs.filter(doc => !this._renderCutoffData.get(doc[Id])).length !== 0;
 
     incrementalRender = action(() => {
-        if (!LightboxView.LightboxDoc || LightboxView.IsLightboxDocView(this.props.docViewPath())) {
+        if (!LightboxView.LightboxDoc || LightboxView.IsLightboxDocView(this._props.docViewPath())) {
             const layout_unrendered = this.childDocs.filter(doc => !this._renderCutoffData.get(doc[Id]));
             const loadIncrement = 5;
             for (var i = 0; i < Math.min(layout_unrendered.length, loadIncrement); i++) {
@@ -1752,28 +1760,28 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
     // which will be a DocumentView.  In this sitation, this freeform views acts as an annotation overlay for
     // the underlying DocumentView and will pan and scoll with the underlying Documen tView.
     @computed get underlayViews() {
-        return this.props.children ? [this.props.children] : [];
+        return this._props.children ? [toJS(this._props.children)] : [];
     }
 
     @computed get placeholder() {
         return (
-            <div className="collectionfreeformview-placeholder" style={{ background: this.props.styleProvider?.(this.Document, this.props, StyleProp.BackgroundColor) }}>
-                <span className="collectionfreeformview-placeholderSpan">{this.props.Document.annotationOn ? '' : this.props.Document.title?.toString()}</span>
+            <div className="collectionfreeformview-placeholder" style={{ background: this._props.styleProvider?.(this.Document, this._props, StyleProp.BackgroundColor) }}>
+                <span className="collectionfreeformview-placeholderSpan">{this._props.Document.annotationOn ? '' : this._props.Document.title?.toString()}</span>
             </div>
         );
     }
 
     brushedView = () => this._brushedView;
     gridColor = () =>
-        DashColor(lightOrDark(this.props.styleProvider?.(this.layoutDoc, this.props, StyleProp.BackgroundColor)))
+        DashColor(lightOrDark(this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.BackgroundColor)))
             .fade(0.5)
             .toString();
     @computed get backgroundGrid() {
         return (
             <div>
                 <CollectionFreeFormBackgroundGrid // bcz : UGHH  don't know why, but if we don't wrap in a div, then PDF's don't render when taking snapshot of a dashboard and the background grid is on!!?
-                    PanelWidth={this.props.PanelWidth}
-                    PanelHeight={this.props.PanelHeight}
+                    PanelWidth={this._props.PanelWidth}
+                    PanelHeight={this._props.PanelHeight}
                     panX={this.panX}
                     panY={this.panY}
                     color={this.gridColor}
@@ -1795,11 +1803,11 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 brushedView={this.brushedView}
                 isAnnotationOverlay={this.isAnnotationOverlay}
                 transform={this.PanZoomCenterXf}
-                transition={this._panZoomTransition ? `transform ${this._panZoomTransition}ms` : Cast(this.layoutDoc._viewTransition, 'string', Cast(this.props.DocumentView?.()?.Document._viewTransition, 'string', null))}
-                viewDefDivClick={this.props.viewDefDivClick}>
+                transition={this._panZoomTransition ? `transform ${this._panZoomTransition}ms` : Cast(this.layoutDoc._viewTransition, 'string', Cast(this._props.DocumentView?.()?.Document._viewTransition, 'string', null))}
+                viewDefDivClick={this._props.viewDefDivClick}>
                 {this.underlayViews}
                 {this.contentViews}
-                <CollectionFreeFormRemoteCursors {...this.props} key="remoteCursors" />
+                <CollectionFreeFormRemoteCursors {...this._props} key="remoteCursors" />
             </CollectionFreeFormPannableContents>
         );
     }
@@ -1807,10 +1815,10 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         TraceMobx();
         return (
             <MarqueeView
-                {...this.props}
+                {...this._props}
                 ref={this._marqueeViewRef}
                 ungroup={this.Document.isGroup ? this.promoteCollection : undefined}
-                nudge={this.isAnnotationOverlay || this.props.renderDepth > 0 ? undefined : this.nudge}
+                nudge={this.isAnnotationOverlay || this._props.renderDepth > 0 ? undefined : this.nudge}
                 addDocTab={this.addDocTab}
                 slowLoadDocuments={this.slowLoadDocuments}
                 trySelectCluster={this.trySelectCluster}
@@ -1818,25 +1826,25 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 selectDocuments={this.selectDocuments}
                 addDocument={this.addDocument}
                 addLiveTextDocument={this.addLiveTextBox}
-                getContainerTransform={this.props.ScreenToLocalTransform}
+                getContainerTransform={this._props.ScreenToLocalTransform}
                 getTransform={this.ScreenToLocalXf}
                 panXFieldKey={this.panXFieldKey}
                 panYFieldKey={this.panYFieldKey}
                 isAnnotationOverlay={this.isAnnotationOverlay}>
                 {this.layoutDoc._freeform_backgroundGrid ? this.backgroundGrid : null}
                 {this.pannableContents}
-                {this._showAnimTimeline ? <Timeline ref={this._timelineRef} {...this.props} /> : null}
+                {this._showAnimTimeline ? <Timeline ref={this._timelineRef} {...this._props} /> : null}
             </MarqueeView>
         );
     }
 
     @computed get nativeDimScaling() {
-        if (this._firstRender || (this.props.isAnnotationOverlay && !this.props.annotationLayerHostsContent)) return 0;
+        if (this._firstRender || (this._props.isAnnotationOverlay && !this._props.annotationLayerHostsContent)) return 0;
         const nw = this.nativeWidth;
         const nh = this.nativeHeight;
-        const hscale = nh ? this.props.PanelHeight() / nh : 1;
-        const wscale = nw ? this.props.PanelWidth() / nw : 1;
-        return wscale < hscale || (this.props.layout_fitWidth?.(this.Document) ?? this.layoutDoc.layout_fitWidth) ? wscale : hscale;
+        const hscale = nh ? this._props.PanelHeight() / nh : 1;
+        const wscale = nw ? this._props.PanelWidth() / nw : 1;
+        return wscale < hscale || (this._props.layout_fitWidth?.(this.Document) ?? this.layoutDoc.layout_fitWidth) ? wscale : hscale;
     }
     nativeDim = () => this.nativeDimScaling;
 
@@ -1853,13 +1861,13 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             transTime + 1
         );
     };
-    lightboxPanelWidth = () => Math.max(0, this.props.PanelWidth() - 30);
-    lightboxPanelHeight = () => Math.max(0, this.props.PanelHeight() - 30);
-    lightboxScreenToLocal = () => this.props.ScreenToLocalTransform().translate(-15, -15);
+    lightboxPanelWidth = () => Math.max(0, this._props.PanelWidth() - 30);
+    lightboxPanelHeight = () => Math.max(0, this._props.PanelHeight() - 30);
+    lightboxScreenToLocal = () => this._props.ScreenToLocalTransform().translate(-15, -15);
     onPassiveWheel = (e: WheelEvent) => {
         const docHeight = NumCast(this.Document[Doc.LayoutFieldKey(this.Document) + '_nativeHeight'], this.nativeHeight);
-        const scrollable = NumCast(this.layoutDoc[this.scaleFieldKey], 1) === 1 && docHeight > this.props.PanelHeight() / this.nativeDimScaling;
-        this.props.isSelected() && !scrollable && e.preventDefault();
+        const scrollable = NumCast(this.layoutDoc[this.scaleFieldKey], 1) === 1 && docHeight > this._props.PanelHeight() / this.nativeDimScaling;
+        this._props.isSelected() && !scrollable && e.preventDefault();
     };
     _oldWheel: any;
     render() {
@@ -1882,16 +1890,16 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 onDragOver={e => e.preventDefault()}
                 onContextMenu={this.onContextMenu}
                 style={{
-                    pointerEvents: this.props.isContentActive() && SnappingManager.GetIsDragging() ? 'all' : (this.props.pointerEvents?.() as any),
+                    pointerEvents: this._props.isContentActive() && SnappingManager.GetIsDragging() ? 'all' : (this._props.pointerEvents?.() as any),
                     textAlign: this.isAnnotationOverlay ? 'initial' : undefined,
                     transform: `scale(${this.nativeDimScaling || 1})`,
                     width: `${100 / (this.nativeDimScaling || 1)}%`,
-                    height: this.props.getScrollHeight?.() ?? `${100 / (this.nativeDimScaling || 1)}%`,
+                    height: this._props.getScrollHeight?.() ?? `${100 / (this.nativeDimScaling || 1)}%`,
                 }}>
                 {this._lightboxDoc ? (
                     <div style={{ padding: 15, width: '100%', height: '100%' }}>
                         <DocumentView
-                            {...this.props}
+                            {...this._props}
                             Document={this._lightboxDoc}
                             TemplateDataDocument={undefined}
                             PanelWidth={this.lightboxPanelWidth}
@@ -1905,8 +1913,8 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                             childFilters={this.childDocFilters}
                             childFiltersByRanges={this.childDocRangeFilters}
                             searchFilterDocs={this.searchFilterDocs}
-                            isDocumentActive={this.props.childDocumentsActive?.() ? this.props.isDocumentActive : this.isContentActive}
-                            isContentActive={this.props.childContentsActive ?? emptyFunction}
+                            isDocumentActive={this._props.childDocumentsActive?.() ? this._props.isDocumentActive : this.isContentActive}
+                            isContentActive={this._props.childContentsActive ?? emptyFunction}
                             addDocTab={this.addDocTab}
                             ScreenToLocalTransform={this.lightboxScreenToLocal}
                             fitContentsToBox={undefined}
@@ -1916,7 +1924,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 ) : (
                     <>
                         {this._firstRender ? this.placeholder : this.marqueeView}
-                        {this.props.noOverlay ? null : <CollectionFreeFormOverlayView elements={this.elementFunc} />}
+                        {this._props.noOverlay ? null : <CollectionFreeFormOverlayView elements={this.elementFunc} />}
                         {!this.GroupChildDrag ? null : <div className="collectionFreeForm-groupDropper" />}
                     </>
                 )}
-- 
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