case insensitive serarch, images

src/main/java/ch/zhaw/gartenverwaltung/MainFXMLController.java

@@ -10,10 +10,16 @@ import javafx.scene.layout.AnchorPane;
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Objects;
 import java.util.ResourceBundle;
 
 public class MainFXMLController implements Initializable {
+    /**
+     * Caching the panes
+     */
+    private final Map<String, Node> panes = new HashMap<>();
 
     @FXML
     private Button home_button;
@@ -63,12 +69,17 @@ public class MainFXMLController implements Initializable {
      */
     public void loadPane(String fxmlFile) throws IOException {
         //ToDo HGrow and VGrow of new node
-        Node node;
-        FXMLLoader loader = new FXMLLoader(Objects.requireNonNull(HelloApplication.class.getResource(fxmlFile)));
-        node = (Node)loader.load();
-        if(fxmlFile.equals("MyPlants.fxml")) {
-            MyPlantsController myPlantsController = loader.getController();
-            myPlantsController.getMainController(this);
+        Node node = panes.get(fxmlFile);
+        System.out.println(node);
+        if (node == null) {
+            FXMLLoader loader = new FXMLLoader(Objects.requireNonNull(HelloApplication.class.getResource(fxmlFile)));
+            node = loader.load();
+            panes.put(fxmlFile, node);
+
+            if(fxmlFile.equals("MyPlants.fxml")) {
+                MyPlantsController myPlantsController = loader.getController();
+                myPlantsController.getMainController(this);
+            }
         }
         mainPane.getChildren().setAll(node);
     }