1 files changed, 67 insertions, 0 deletions
diff --git a/src/client/views/nodes/HistogramBox.tsx b/src/client/views/nodes/HistogramBox.tsx
new file mode 100644
index 000000000..0fcc25e66
--- /dev/null
+++ b/src/client/views/nodes/HistogramBox.tsx
@@ -0,0 +1,67 @@
+import React = require("react")
+import { observer } from "mobx-react";
+import { FieldView, FieldViewProps } from './FieldView';
+import "./VideoBox.scss";
+import { observable, reaction } from "mobx";
+import { HistogramOperation } from "../../northstar/operations/HistogramOperation";
+import { Main } from "../Main";
+import { ColumnAttributeModel } from "../../northstar/core/attribute/AttributeModel";
+import { AttributeTransformationModel } from "../../northstar/core/attribute/AttributeTransformationModel";
+import { AggregateFunction, HistogramResult, DoubleValueAggregateResult } from "../../northstar/model/idea/idea";
+import { ModelHelpers } from "../../northstar/model/ModelHelpers";
+
+@observer
+export class HistogramBox extends React.Component<FieldViewProps> {
+
+    public static LayoutString(fieldStr: string = "DataKey") { return FieldView.LayoutString(HistogramBox, fieldStr) }
+
+    constructor(props: FieldViewProps) {
+        super(props);
+    }
+
+    @observable _histoResult?: HistogramResult;
+    _histoOp?: HistogramOperation;
+
+    componentDidMount() {
+        Main.Instance.GetAllAttributes().map(a => {
+            if (a.displayName == this.props.doc.Title) {
+                var atmod = new ColumnAttributeModel(a);
+                this._histoOp = new HistogramOperation(new AttributeTransformationModel(atmod, AggregateFunction.None),
+                    new AttributeTransformationModel(atmod, AggregateFunction.Count),
+                    new AttributeTransformationModel(atmod, AggregateFunction.Count));
+                reaction(() => [this._histoOp && this._histoOp.Result],
+                    () => this._histoResult = this._histoOp ? this._histoOp.Result as HistogramResult : undefined
+                );
+                this._histoOp.Update();
+            }
+        })
+    }
+
+    twoString() {
+        let str = "";
+        if (this._histoResult && !this._histoResult.isEmpty) {
+            for (let key in this._histoResult.bins) {
+                if (this._histoResult.bins.hasOwnProperty(key)) {
+                    let bin = this._histoResult.bins[key];
+                    str += JSON.stringify(bin.binIndex!.toJSON()) + " = ";
+                    let valueAggregateKey = ModelHelpers.CreateAggregateKey(this._histoOp!.V, this._histoResult, ModelHelpers.AllBrushIndex(this._histoResult));
+                    let value = ModelHelpers.GetAggregateResult(bin, valueAggregateKey) as DoubleValueAggregateResult;
+                    if (value && value.hasResult && value.result) {
+                        str += value.result;
+                    }
+                }
+            }
+        }
+        return str;
+    }
+
+    render() {
+        if (!this._histoResult)
+            return (null);
+        return (
+            <div className="histogrambox-container">
+                `HISTOGRAM RESULT : ${this.twoString()}`
+            </div>
+        )
+    }
+}
+\ No newline at end of file