1 files changed, 71 insertions, 0 deletions
diff --git a/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts b/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts
new file mode 100644
index 000000000..53d585bb4
--- /dev/null
+++ b/src/client/northstar/model/binRanges/VisualBinRangeHelper.ts
@@ -0,0 +1,71 @@
+import { BinRange, NominalBinRange, QuantitativeBinRange, Exception, AlphabeticBinRange, DateTimeBinRange, AggregateBinRange, DoubleValueAggregateResult, HistogramResult, AttributeParameters } from "../idea/idea";
+import { VisualBinRange, ChartType } from "./VisualBinRange";
+import { NominalVisualBinRange } from "./NominalVisualBinRange";
+import { QuantitativeVisualBinRange } from "./QuantitativeVisualBinRange";
+import { AlphabeticVisualBinRange } from "./AlphabeticVisualBinRange";
+import { DateTimeVisualBinRange } from "./DateTimeVisualBinRange";
+import { Settings } from "../../manager/Gateway";
+import { ModelHelpers } from "../ModelHelpers";
+import { AttributeTransformationModel } from "../../core/attribute/AttributeTransformationModel";
+
+export const SETTINGS_X_BINS = 15;
+export const SETTINGS_Y_BINS = 15;
+export const SETTINGS_SAMPLE_SIZE = 100000;
+
+export class VisualBinRangeHelper {
+
+    public static GetNonAggregateVisualBinRange(dataBinRange: BinRange): VisualBinRange {
+        if (dataBinRange instanceof NominalBinRange) {
+            return new NominalVisualBinRange(dataBinRange as NominalBinRange);
+        }
+        else if (dataBinRange instanceof QuantitativeBinRange) {
+            return new QuantitativeVisualBinRange(dataBinRange as QuantitativeBinRange);
+        }
+        else if (dataBinRange instanceof AlphabeticBinRange) {
+            return new AlphabeticVisualBinRange(dataBinRange as AlphabeticBinRange);
+        }
+        else if (dataBinRange instanceof DateTimeBinRange) {
+            return new DateTimeVisualBinRange(dataBinRange as DateTimeBinRange);
+        }
+        throw new Exception()
+    }
+
+    public static GetVisualBinRange(distinctAttributeParameters: AttributeParameters | undefined, dataBinRange: BinRange, histoResult: HistogramResult, attr: AttributeTransformationModel, chartType: ChartType): VisualBinRange {
+
+        if (!(dataBinRange instanceof AggregateBinRange)) {
+            return VisualBinRangeHelper.GetNonAggregateVisualBinRange(dataBinRange);
+        }
+        else {
+            var aggregateKey = ModelHelpers.CreateAggregateKey(distinctAttributeParameters, attr, histoResult, ModelHelpers.AllBrushIndex(histoResult));
+            var minValue = Number.MAX_VALUE;
+            var maxValue = Number.MIN_VALUE;
+            for (var b = 0; b < histoResult.brushes!.length; b++) {
+                var brush = histoResult.brushes![b];
+                aggregateKey.brushIndex = brush.brushIndex;
+                for (var key in histoResult.bins) {
+                    if (histoResult.bins.hasOwnProperty(key)) {
+                        var bin = histoResult.bins[key];
+                        var res = <DoubleValueAggregateResult>ModelHelpers.GetAggregateResult(bin, aggregateKey);
+                        if (res && res.hasResult && res.result) {
+                            minValue = Math.min(minValue, res.result);
+                            maxValue = Math.max(maxValue, res.result);
+                        }
+                    }
+                }
+            };
+
+            let visualBinRange = QuantitativeVisualBinRange.Initialize(minValue, maxValue, 10, false);
+
+            if (chartType == ChartType.HorizontalBar || chartType == ChartType.VerticalBar) {
+                visualBinRange = QuantitativeVisualBinRange.Initialize(Math.min(0, minValue),
+                    Math.max(0, (visualBinRange as QuantitativeVisualBinRange).DataBinRange.maxValue!),
+                    SETTINGS_X_BINS, false);
+            }
+            else if (chartType == ChartType.SinglePoint) {
+                visualBinRange = QuantitativeVisualBinRange.Initialize(Math.min(0, minValue), Math.max(0, maxValue),
+                    SETTINGS_X_BINS, false);
+            }
+            return visualBinRange;
+        }
+    }
+}