Patient Stationsübersicht wird asynchron geladen

src/main/java/de/uniluebeck/mi/projmi6/controller/PatientTablesController.java

@@ -146,7 +146,7 @@ public class PatientTablesController {
             return tableRow;
         });
         lblTablePatientEmpty.setText("Liste ist leer.");
-        lblTableStationEmpty.setText("Daten werden geladen...");
+        lblTableStationEmpty.setText("");
 
         cmbStationenFilter.itemsProperty().bind(mainController.getStammdaten().stationenProperty());
 
@@ -198,13 +198,7 @@ public class PatientTablesController {
 
 
         cmbStationenFilter.valueProperty().addListener((observableValue, oldValue, newValue) -> {
-            try {
-                List uebersichtsItems = DBHandler.getStationsUebersichtsItems(newValue.getStation());
-                stationsUebersicht.setAll(uebersichtsItems);
-                System.out.println(uebersichtsItems);
-            } catch (SQLException e) {
-                e.printStackTrace();
-            }
+            updateStationsHistorieFromDb();
         });
         tblStationOverview.itemsProperty().bind(Bindings.createObjectBinding(() -> {
             if (btnEntlassenePatientenZeigen.isSelected()) {
@@ -304,6 +298,77 @@ public class PatientTablesController {
     }
 
 
+    @FXML
+    Button btnStatRefresh;
+
+    @FXML
+    private void clickedRefreshStation(){
+        updateStationsHistorieFromDb();
+    }
+
+    private Task loadStationsHistorieTask = null;
+
+    public void updateStationsHistorieFromDb() {
+        if (this.loadStationsHistorieTask != null && this.loadStationsHistorieTask.isRunning()) {
+            loadStationsHistorieTask.cancel();
+            return;
+        }
+
+        btnStatRefresh.setDisable(true);
+
+        stationsUebersicht.clear();
+
+        mainController.increaseParallelTaskCount();
+
+        lblTableStationEmpty.setText("Liste wird geladen...");
+
+        Task<List<StationsUebersichtsItem>> loadStatHist = new Task<List<StationsUebersichtsItem>>() {
+
+            @Override
+            protected List<StationsUebersichtsItem> call() throws Exception {
+                return FXCollections.<StationsUebersichtsItem>observableArrayList(
+                        DBHandler.getStationsUebersichtsItems(cmbStationenFilter.getValue().getStation()));
+            }
+
+            @Override
+            protected void succeeded() {
+                super.succeeded();
+                if(!isCancelled()) {
+                    lblTableStationEmpty.setText("Liste ist leer.");
+                    stationsUebersicht.setAll(this.getValue());
+                    btnStatRefresh.setDisable(false);
+                    mainController.decreaseParallelTaskCount();
+                }
+            }
+
+            @Override
+            protected void cancelled() {
+                super.cancelled();
+                btnStatRefresh.setDisable(false);
+                mainController.decreaseParallelTaskCount();
+                System.out.println("Cancelled");
+            }
+
+            @Override
+            protected void failed() {
+                super.failed();
+                if(!isCancelled()){
+                    lblTablePatientEmpty.setText("Laden fehlgeschlagen!");
+                    getException().printStackTrace();
+                }
+                mainController.decreaseParallelTaskCount();
+                btnStatRefresh.setDisable(false);
+            }
+        };
+        this.loadStationsHistorieTask = loadStatHist;
+
+        Thread thread = new Thread(loadStationsHistorieTask);
+        thread.setDaemon(true);
+        thread.start();
+    }
+
+
+
     private Task loadPatientTask = null;
 
     @FXML

src/main/resources/patient_tables.fxml

@@ -61,6 +61,8 @@
                                 <Label text="Station:" />
                                 <ComboBox fx:id="cmbStationenFilter" prefWidth="150.0" promptText="Stationen" />
                                 <ToggleButton fx:id="btnEntlassenePatientenZeigen" mnemonicParsing="false" text="Entlassene Patienten zeigen" />
+                                <Pane HBox.hgrow="ALWAYS" />
+                                <Button fx:id="btnStatRefresh" text="Liste aktualisieren"  onAction="#clickedRefreshStation"/>
                             </items>
                         </ToolBar>
                         <SplitPane prefHeight="160.0" prefWidth="200.0" VBox.vgrow="ALWAYS">