Merge branch 'master' of https://github.com/browngraphicslab/Dash-Web into pdf_impl

2 files changed, 10 insertions, 3 deletions

diff --git a/src/client/northstar/dash-fields/HistogramField.ts b/src/client/northstar/dash-fields/HistogramField.ts
index 1ee2189b9..e6f32272e 100644
--- a/src/client/northstar/dash-fields/HistogramField.ts
+++ b/src/client/northstar/dash-fields/HistogramField.ts
@@ -3,10 +3,11 @@ import { custom, serializable } from "serializr";
 import { ColumnAttributeModel } from "../../../client/northstar/core/attribute/AttributeModel";
 import { AttributeTransformationModel } from "../../../client/northstar/core/attribute/AttributeTransformationModel";
 import { HistogramOperation } from "../../../client/northstar/operations/HistogramOperation";
-import { ObjectField, Copy } from "../../../new_fields/ObjectField";
+import { ObjectField } from "../../../new_fields/ObjectField";
 import { CurrentUserUtils } from "../../../server/authentication/models/current_user_utils";
 import { OmitKeys } from "../../../Utils";
 import { Deserializable } from "../../util/SerializationHelper";
+import { Copy, ToScriptString } from "../../../new_fields/FieldSymbols";
 
 function serialize(field: HistogramField) {
     let obj = OmitKeys(field, ['Links', 'BrushLinks', 'Result', 'BrushColors', 'FilterModels', 'FilterOperand']).omit;
@@ -55,4 +56,8 @@ export class HistogramField extends ObjectField {
         let z = this.HistoOp.Copy;
         return new HistogramField(HistogramOperation.Duplicate(this.HistoOp));
     }
+
+    [ToScriptString]() {
+        return this.toString();
+    }
 }
\ No newline at end of file
diff --git a/src/client/northstar/dash-nodes/HistogramBox.tsx b/src/client/northstar/dash-nodes/HistogramBox.tsx
index eb1ad69b7..d7732ee86 100644
--- a/src/client/northstar/dash-nodes/HistogramBox.tsx
+++ b/src/client/northstar/dash-nodes/HistogramBox.tsx
@@ -19,7 +19,7 @@ import { HistogramLabelPrimitives } from "./HistogramLabelPrimitives";
 import { StyleConstants } from "../utils/StyleContants";
 import { Cast } from "../../../new_fields/Types";
 import { Doc, DocListCast, DocListCastAsync } from "../../../new_fields/Doc";
-import { Id } from "../../../new_fields/RefField";
+import { Id } from "../../../new_fields/FieldSymbols";
 
 
 @observer
@@ -125,9 +125,11 @@ export class HistogramBox extends React.Component<FieldViewProps> {
                                 let mapped = brushingDocs.map((brush, i) => {
                                     brush.backgroundColor = StyleConstants.BRUSH_COLORS[i % StyleConstants.BRUSH_COLORS.length];
                                     let brushed = DocListCast(brush.brushingDocs);
+                                    if (!brushed.length)
+                                        return null;
                                     return { l: brush, b: brushed[0][Id] === proto[Id] ? brushed[1] : brushed[0] };
                                 });
-                                this.HistoOp.BrushLinks.splice(0, this.HistoOp.BrushLinks.length, ...mapped);
+                                runInAction(() => this.HistoOp.BrushLinks.splice(0, this.HistoOp.BrushLinks.length, ...mapped.filter(m => m) as { l: Doc, b: Doc }[]));
                             }
                         }, { fireImmediately: true });
                     reaction(() => this.createOperationParamsCache, () => this.HistoOp.Update(), { fireImmediately: true });