1 files changed, 2 insertions, 4 deletions
diff --git a/src/client/views/nodes/HistogramBox.tsx b/src/client/views/nodes/HistogramBox.tsx
index 980719a21..1508b201b 100644
--- a/src/client/views/nodes/HistogramBox.tsx
+++ b/src/client/views/nodes/HistogramBox.tsx
@@ -3,13 +3,12 @@ import { action, computed, observable, reaction } from "mobx";
 import { observer } from "mobx-react";
 import Measure from "react-measure";
 import { Dictionary } from "typescript-collections";
+import { CurrentUserUtils } from "../../../server/authentication/models/current_user_utils";
 import { Utils as DashUtils } from '../../../Utils';
 import { ColumnAttributeModel } from "../../northstar/core/attribute/AttributeModel";
 import { AttributeTransformationModel } from "../../northstar/core/attribute/AttributeTransformationModel";
 import { FilterModel } from '../../northstar/core/filter/FilterModel';
-import { DateTimeVisualBinRange } from "../../northstar/model/binRanges/DateTimeVisualBinRange";
 import { NominalVisualBinRange } from "../../northstar/model/binRanges/NominalVisualBinRange";
-import { QuantitativeVisualBinRange } from "../../northstar/model/binRanges/QuantitativeVisualBinRange";
 import { ChartType, VisualBinRange } from '../../northstar/model/binRanges/VisualBinRange';
 import { VisualBinRangeHelper } from "../../northstar/model/binRanges/VisualBinRangeHelper";
 import { AggregateBinRange, AggregateFunction, Bin, Brush, DoubleValueAggregateResult, HistogramResult, MarginAggregateParameters, MarginAggregateResult } from "../../northstar/model/idea/idea";
@@ -20,7 +19,6 @@ import { LABColor } from '../../northstar/utils/LABcolor';
 import { PIXIRectangle } from "../../northstar/utils/MathUtil";
 import { SizeConverter } from "../../northstar/utils/SizeConverter";
 import { StyleConstants } from "../../northstar/utils/StyleContants";
-import { Main } from "../Main";
 import { FieldView, FieldViewProps } from './FieldView';
 import "./HistogramBox.scss";
 
@@ -51,7 +49,7 @@ export class HistogramBox extends React.Component<FieldViewProps> {
     componentDidMount() {
         reaction(() => [this.props.doc.Title],
             () => {
-                Main.Instance.GetAllNorthstarColumnAttributes().map(a => {
+                CurrentUserUtils.GetAllNorthstarColumnAttributes().map(a => {
                     if (a.displayName == this.props.doc.Title) {
                         var atmod = new ColumnAttributeModel(a);
                         this._histoOp = new HistogramOperation(new AttributeTransformationModel(atmod, AggregateFunction.None),