- toggleVisibility() and toggleSelection() for legend entries

- use FontAwesomeModule also in app.module
- select and hide events in geomon-timeseries-chart.component.ts

src/shared/models/chart.ts

@@ -0,0 +1,40 @@
+import { DatasetOptions } from "./options";
+import { Duration, unitOfTime } from 'moment';
+
+export interface DataEntry {
+    timestamp: number;
+    value: number;
+    xDiagCoord?: number;
+    yDiagCoord?: number;
+}
+
+export interface InternalDataEntry {
+    internalId: string;
+    // hoverId: string;
+    data: number[];
+    selected?: boolean;
+    options: DatasetOptions;
+    bar?: {
+        startOf: unitOfTime.StartOf;
+        period: Duration;
+    };
+    axisOptions: {
+        uom: string;
+        label?: string;
+        zeroBased?: boolean;
+        // yAxisRange?: MinMaxRange;
+        autoRangeSelection?: boolean;
+        separateYAxis?: boolean;
+        parameters?: {
+            feature?: { id: string, label: string };
+            phenomenon?: { id: string, label: string };
+            offering?: { id: string, label: string };
+        };
+    };
+    referenceValueData: {
+        id: string;
+        color: string;
+        data: DataEntry[];
+    }[];
+    visible: boolean;
+}