fixed stackingView to use _columnsStack not singleColumn

1 files changed, 2 insertions, 2 deletions

diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index 1a3aa8589..a8e3b2ebb 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -47,9 +47,9 @@ export class CollectionStackingView extends CollectionSubView(StackingDocument)
     @computed get pivotField() { return StrCast(this.layoutDoc._pivotField); }
     @computed get filteredChildren() { return this.childLayoutPairs.filter(pair => pair.layout instanceof Doc && !pair.layout.hidden).map(pair => pair.layout); }
     @computed get xMargin() { return NumCast(this.layoutDoc._xMargin, 2 * Math.min(this.gridGap, .05 * this.props.PanelWidth())); }
-    @computed get yMargin() { return Math.max(this.layoutDoc._showTitle && !this.props.Document._showTitleHover ? 30 : 0, NumCast(this.props.Document._yMargin, 0)); } // 2 * this.gridGap)); }
+    @computed get yMargin() { return Math.max(this.layoutDoc._showTitle && !this.layoutDoc._showTitleHover ? 30 : 0, NumCast(this.layoutDoc._yMargin, 0)); } // 2 * this.gridGap)); }
     @computed get gridGap() { return NumCast(this.layoutDoc._gridGap, 10); }
-    @computed get isStackingView() { return BoolCast(this.layoutDoc.singleColumn, true); }
+    @computed get isStackingView() { return BoolCast(this.layoutDoc._columnsStack, true); }
     @computed get searchDoc() { return BoolCast(this.props.Document._searchDoc, false); }
     @computed get numGroupColumns() { return this.isStackingView ? Math.max(1, this.Sections.size + (this.showAddAGroup ? 1 : 0)) : 1; }
     @computed get showAddAGroup() { return (this.pivotField && (this.layoutDoc._chromeStatus !== 'view-mode' && this.layoutDoc._chromeStatus !== 'disabled')); }