1 files changed, 12 insertions, 5 deletions

diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index 5713cc770..2e4f6aff5 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -29,6 +29,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     _masonryGridRef: HTMLDivElement | null = null;
     _draggerRef = React.createRef<HTMLDivElement>();
     _heightDisposer?: IReactionDisposer;
+    _childLayoutDisposer?: IReactionDisposer;
     _sectionFilterDisposer?: IReactionDisposer;
     _docXfs: any[] = [];
     _columnStart: number = 0;
@@ -56,12 +57,13 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     get Sections() {
-        if (!this.sectionFilter) return new Map<SchemaHeaderField, Doc[]>();
+        if (!this.sectionFilter || this.sectionHeaders instanceof Promise) return new Map<SchemaHeaderField, Doc[]>();
 
         if (this.sectionHeaders === undefined) {
-            this.props.Document.sectionHeaders = new List<SchemaHeaderField>();
+            setTimeout(() => this.props.Document.sectionHeaders = new List<SchemaHeaderField>(), 0);
+            return new Map<SchemaHeaderField, Doc[]>();
         }
-        const sectionHeaders = this.sectionHeaders!;
+        const sectionHeaders = this.sectionHeaders;
         let fields = new Map<SchemaHeaderField, Doc[]>(sectionHeaders.map(sh => [sh, []] as [SchemaHeaderField, []]));
         this.filteredChildren.map(d => {
             let sectionValue = (d[this.sectionFilter] ? d[this.sectionFilter] : `NO ${this.sectionFilter.toUpperCase()} VALUE`) as object;
@@ -84,12 +86,16 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     componentDidMount() {
+        this._childLayoutDisposer = reaction(() => [this.childDocs, Cast(this.props.Document.childLayout, Doc)],
+            async (args) => args[1] instanceof Doc &&
+                this.childDocs.map(async doc => !Doc.AreProtosEqual(args[1] as Doc, (await doc).layout as Doc) && Doc.ApplyTemplateTo(args[1] as Doc, (await doc), undefined)));
+
         // is there any reason this needs to exist? -syip.  yes, it handles autoHeight for stacking views (masonry isn't yet supported).
         this._heightDisposer = reaction(() => {
             if (this.isStackingView && BoolCast(this.props.Document.autoHeight)) {
                 let sectionsList = Array.from(this.Sections.size ? this.Sections.values() : [this.filteredChildren]);
                 return this.props.ContentScaling() * sectionsList.reduce((maxHght, s) => Math.max(maxHght,
-                    50 + s.reduce((height, d, i) => height + this.childDocHeight(d) + (i === s.length - 1 ? this.yMargin : this.gridGap), this.yMargin)
+                    (this.Sections.size ? 50 : 0) + s.reduce((height, d, i) => height + this.childDocHeight(d) + (i === s.length - 1 ? this.yMargin : this.gridGap), this.yMargin)
                 ), 0);
             }
             return -1;
@@ -108,6 +114,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         );
     }
     componentWillUnmount() {
+        this._childLayoutDisposer && this._childLayoutDisposer();
         this._heightDisposer && this._heightDisposer();
         this._sectionFilterDisposer && this._sectionFilterDisposer();
     }
@@ -356,7 +363,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         };
         Doc.UpdateDocumentExtensionForField(this.props.DataDoc ? this.props.DataDoc : this.props.Document, this.props.fieldKey);
 
-        let sections = (this.sectionFilter ? Array.from(this.Sections.entries()).sort(this.sortFunc) : [[undefined, this.filteredChildren] as [SchemaHeaderField | undefined, Doc[]]])
+        let sections = (this.sectionFilter ? Array.from(this.Sections.entries()).sort(this.sortFunc) : [[undefined, this.filteredChildren] as [SchemaHeaderField | undefined, Doc[]]]);
         return (
             <div className={this.isStackingView ? "collectionStackingView" : "collectionMasonryView"}
                 ref={this.createRef} onDrop={this.onDrop.bind(this)} onContextMenu={this.onContextMenu} onWheel={(e: React.WheelEvent) => e.stopPropagation()} >