1 files changed, 7 insertions, 6 deletions

diff --git a/src/client/views/nodes/trails/PresBox.tsx b/src/client/views/nodes/trails/PresBox.tsx
index 2e312ee51..c9c74eca4 100644
--- a/src/client/views/nodes/trails/PresBox.tsx
+++ b/src/client/views/nodes/trails/PresBox.tsx
@@ -122,7 +122,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
         if (Doc.UserDoc().activePresentation = this.rootDoc) runInAction(() => PresBox.Instance = this);
         if (!this.presElement) { // create exactly one presElmentBox template to use by any and all presentations.
             Doc.UserDoc().presElement = new PrefetchProxy(Docs.Create.PresElementBoxDocument({
-                title: "pres element template", type: DocumentType.PRESELEMENT, _xMargin: 0, isTemplateDoc: true, isTemplateForField: "data"
+                title: "pres element template", type: DocumentType.PRESELEMENT, _fitWidth: true, _xMargin: 0, isTemplateDoc: true, isTemplateForField: "data"
             }));
             // this script will be called by each presElement to get rendering-specific info that the PresBox knows about but which isn't written to the PresElement
             // this is a design choice -- we could write this data to the presElements which would require a reaction to keep it up to date, and it would prevent
@@ -308,7 +308,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
             }
             if (!group) this._selectedArray.clear();
             this.childDocs[index] && this._selectedArray.set(this.childDocs[index], undefined); //Update selected array
-            if (this.layoutDoc._viewType === "stacking" && !group) this.navigateToElement(this.childDocs[index]); //Handles movement to element only when presTrail is list
+            if ([CollectionViewType.Stacking, CollectionViewType.Tree].includes(this.layoutDoc._viewType as any) && !group) this.navigateToElement(this.childDocs[index]); //Handles movement to element only when presTrail is list
             this.onHideDocument(); //Handles hide after/before
         }
     });
@@ -620,9 +620,9 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
         //@ts-ignore
         const viewType = e.target.selectedOptions[0].value as CollectionViewType;
         // pivot field may be set by the user in timeline view (or some other way) -- need to reset it here
-        viewType === CollectionViewType.Stacking && (this.rootDoc._pivotField = undefined);
+        [CollectionViewType.Tree || CollectionViewType.Stacking].includes(viewType) && (this.rootDoc._pivotField = undefined);
         this.rootDoc._viewType = viewType;
-        if (viewType === CollectionViewType.Stacking) this.layoutDoc._gridGap = 0;
+        if ([CollectionViewType.Tree || CollectionViewType.Stacking].includes(viewType)) this.layoutDoc._gridGap = 0;
     });
 
     /**
@@ -696,7 +696,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
         });
         return true;
     }
-    childLayoutTemplate = () => this.rootDoc._viewType !== CollectionViewType.Stacking ? undefined : this.presElement;
+    childLayoutTemplate = () => ![CollectionViewType.Stacking, CollectionViewType.Tree].includes(this.rootDoc._viewType as any) ? undefined : this.presElement;
     removeDocument = (doc: Doc) => Doc.RemoveDocFromList(this.dataDoc, this.fieldKey, doc);
     getTransform = () => this.props.ScreenToLocalTransform().translate(-5, -65);// listBox padding-left and pres-box-cont minHeight
     panelHeight = () => this.props.PanelHeight() - 40;
@@ -2262,6 +2262,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
                     onChange={this.viewChanged}
                     value={mode}>
                     <option onPointerDown={e => e.stopPropagation()} value={CollectionViewType.Stacking}>List</option>
+                    <option onPointerDown={e => e.stopPropagation()} value={CollectionViewType.Tree}>Tree</option>
                     <option onPointerDown={e => e.stopPropagation()} value={CollectionViewType.Carousel3D}>3D Carousel</option>
                 </select>}
                 <div className="presBox-presentPanel" style={{ opacity: this.childDocs.length ? 1 : 0.3 }}>
@@ -2459,7 +2460,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
 }
 ScriptingGlobals.add(function lookupPresBoxField(container: Doc, field: string, data: Doc) {
     if (field === 'indexInPres') return DocListCast(container[StrCast(container.presentationFieldKey)]).indexOf(data);
-    if (field === 'presCollapsedHeight') return container._viewType === CollectionViewType.Stacking ? 35 : 31;
+    if (field === 'presCollapsedHeight') return [CollectionViewType.Tree || CollectionViewType.Stacking].includes(container._viewType as any) ? 35 : 31;
     if (field === 'presStatus') return container.presStatus;
     if (field === '_itemIndex') return container._itemIndex;
     if (field === 'presBox') return container;