refactoring

docs/intensivstationen.html

@@ -13,51 +13,21 @@
   <script src="./IntensiveCareCapacitiesChartView.js"></script>
   <script src="./FreeBedsChartView.js"></script>
   <script src="./intensivstationen.js"></script>
-  <script>
-    const labels = [
-      'January',
-      'February',
-      'March',
-      'April',
-      'May',
-      'June',
-    ];
-
-    const data = {
-      labels: labels,
-      datasets: [{
-        label: 'My First dataset',
-        backgroundColor: 'rgb(255, 99, 132)',
-        borderColor: 'rgb(255, 99, 132)',
-        data: [0, 10, 5, 2, 20, 30, 45],
-      }]
-    };
-
-    const config = {
-      type: 'line',
-      data: data,
-      options: {}
-    };
-
-    document.addEventListener(
-      "DOMContentLoaded",
-      event => {
-        //const myChart = new Chart(
-        //  document.getElementById('myChart'),
-        //  config
-        //);
-      });
-  </script>
   <script>
     document.addEventListener(
       "DOMContentLoaded",
       event => {
         const intensiveCareCapacitiesChartView = new IntensiveCareCapacitiesChartView(document.querySelector(".canvas"));
         const freeBedsChartView = new FreeBedsChartView(document.getElementById('myChart'));
-        document.querySelector('#kreisSelect').addEventListener(
+        const kreisSelect = document.querySelector('#kreisSelect');
+        onKreisOptionSelected(kreisSelect, intensiveCareCapacitiesChartView, freeBedsChartView);
+        kreisSelect.addEventListener(
           'change',
-          event => {
+          event => onKreisOptionSelected(kreisSelect, intensiveCareCapacitiesChartView, freeBedsChartView));
-            const selectedOption = getSelectedOption(event.target);
+      });
+
+    function onKreisOptionSelected(kreisSelect, intensiveCareCapacitiesChartView, freeBedsChartView) {
+      const selectedOption = getSelectedOption(kreisSelect);
       displayIntensiveCareCapacitiesChart(
         {
           intensiveCareCapacitiesChartView: intensiveCareCapacitiesChartView,
@@ -75,24 +45,7 @@
           }
           freeBedsChartView.displayChart({ data: json.data, title: selectedOption.text });
         });
-          });
-        displayIntensiveCareCapacitiesChart(
-          {
-            intensiveCareCapacitiesChartView: intensiveCareCapacitiesChartView,
-            headingElement: document.querySelector(".heading"),
-            populationElement: document.querySelector(".population"),
-            kreisText: 'Alle Landkreise',
-            kreisValue: 'de'
-          });
-        fetch(`data/intensivstationen/intensivstationen-de.json`)
-          .then(response => response.json())
-          .then(json => {
-            for (const dataElement of json.data) {
-              dataElement.free_beds_divided_by_all_beds_in_percent = dataElement.betten_frei / (dataElement.betten_frei + dataElement.betten_belegt) * 100;
     }
-            freeBedsChartView.displayChart({ data: json.data, title: 'Alle Landkreise' });
-          });
-      });
 
     function getSelectedOption(select) {
       return select.options[select.selectedIndex];