#18: WIP

src/main/java/de/hitec/nhplus/medication/AllMedicationController.java

@@ -1,17 +1,24 @@
 package de.hitec.nhplus.medication;
 
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import de.hitec.nhplus.Main;
 import de.hitec.nhplus.datastorage.DaoFactory;
 import de.hitec.nhplus.medication.database.MedicationDao;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
 import javafx.scene.control.cell.PropertyValueFactory;
-
-import java.sql.SQLException;
-import java.util.stream.Collectors;
+import javafx.scene.layout.BorderPane;
+import javafx.stage.Stage;
 
 /**
  * The controller for viewing all {@link Medication}s.
@@ -50,14 +57,20 @@ public class AllMedicationController {
         this.columnName.setCellValueFactory(new PropertyValueFactory<>("name"));
         this.columnManufacturer.setCellValueFactory(new PropertyValueFactory<>("manufacturer"));
         this.columnIngredient.setCellValueFactory(
-                cellData -> new SimpleStringProperty(
-                        cellData
-                                .getValue()
-                                .getIngredients()
+            cellData -> {
+                Medication medication = cellData.getValue();
+                List<Ingredient> ingredients = medication.getIngredients();
+                if(ingredients.isEmpty()){
+                    return new SimpleStringProperty("");
+                }
+
+                return new SimpleStringProperty(
+                        ingredients
                         .stream()
                         .map(ingredient -> ingredient.getName())
                         .collect(Collectors.joining("\n"))
-                ));
+                );
+            });
         this.columnPossibleSideEffects.setCellValueFactory(new PropertyValueFactory<>("possibleSideEffects"));
         this.columnAdministrationMethod.setCellValueFactory(new PropertyValueFactory<>("administrationMethod"));
         this.columnCurrentStock.setCellValueFactory(new PropertyValueFactory<>("currentStock"));
@@ -76,4 +89,36 @@ public class AllMedicationController {
             exception.printStackTrace();
         }
     }
+
+    public void createMedication(Medication medication) {
+        dao = DaoFactory.getInstance().createMedicationDAO();
+        try {
+            dao.create(medication);
+        } catch (SQLException exception) {
+            exception.printStackTrace();
+        }
+    }
+
+    @FXML
+    public void handleNewMedication() {
+        try {
+            FXMLLoader loader = new FXMLLoader(
+                Main.class.getResource("/de/hitec/nhplus/medication/MedicationModal.fxml")
+            );
+            BorderPane pane = loader.load();
+            Scene scene = new Scene(pane);
+            Stage stage = new Stage();
+
+            MedicationModalController controller = loader.getController();
+            controller.initialize(stage, this, null);
+
+            stage.setScene(scene);
+            stage.setTitle("NHPlus - Neues Medikament");
+            stage.setResizable(true);
+            stage.setAlwaysOnTop(true);
+            stage.showAndWait();
+        } catch (IOException exception) {
+            exception.printStackTrace();
+        }
+    }
 }

src/main/java/de/hitec/nhplus/medication/IngredientListCell.java

@@ -0,0 +1,92 @@
+package de.hitec.nhplus.medication;
+
+import javafx.beans.value.ObservableValue;
+import javafx.geometry.Insets;
+import javafx.scene.control.Button;
+import javafx.scene.control.ListCell;
+import javafx.scene.control.ListView;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.text.Text;
+
+public class IngredientListCell extends ListCell<Ingredient> {
+    private final TextField textField;
+    private final Button deleteButton;
+
+    private static final double BUILTIN_BORDER_WIDTH = 1;
+    private static final double CELL_SPACING = 4;
+    private static final double CELL_PADDING = 4;
+    private static final double BUTTON_PADDING_X = 8;
+    private static final double BUTTON_PADDING_Y = 4;
+    private final double totalSpacing;
+
+    public IngredientListCell() {
+        this.setPadding(new Insets(CELL_PADDING));
+
+        textField = new TextField();
+        textField.setPromptText("Inhaltsstoff");
+        textField.textProperty().addListener(this::onTextFieldUpdate);
+
+        deleteButton = new Button("-");
+        deleteButton.setPadding(new Insets(
+                BUTTON_PADDING_Y,
+                BUTTON_PADDING_X,
+                BUTTON_PADDING_Y,
+                BUTTON_PADDING_X
+        ));
+        deleteButton.setOnAction(event -> getListView().getItems().remove(this));
+
+        // Calculate Delete Button Width
+        Text textNode = new Text(deleteButton.getText());
+        textNode.setFont(deleteButton.getFont());
+        double calculatedDeleteButtonWidth = textNode.getLayoutBounds().getWidth() + BUTTON_PADDING_X * 2;
+
+        totalSpacing = BUILTIN_BORDER_WIDTH * 2 // List View
+                       + CELL_PADDING * 2
+                       + CELL_SPACING
+                       + calculatedDeleteButtonWidth;
+    }
+
+    @Override
+    protected void updateItem(Ingredient item, boolean empty) {
+        super.updateItem(item, empty);
+        if (empty || item == null) {
+            setGraphic(null);
+        } else {
+            String oldText = textField.getText();
+            String newText = oldText != null && !oldText.isEmpty() ? oldText : item.getName();
+            textField.setText(newText);
+
+            BorderPane cellPane = new BorderPane();
+            cellPane.setCenter(textField);
+            cellPane.setRight(deleteButton);
+            BorderPane.setMargin(deleteButton, new Insets(0, 0, 0, CELL_SPACING));
+            setGraphic(cellPane);
+        }
+    }
+
+    private void onTextFieldUpdate(ObservableValue<? extends String> observable, String oldValue, String newValue) {
+        getItem().setName(textField.getText());
+
+        textField.setMinWidth(getTextFieldRequiredWidth(textField));
+
+        ListView<Ingredient> listView = getListView();
+        double max = listView.lookupAll("*")
+                .stream()
+                .filter(node -> node instanceof IngredientListCell)
+                .mapToDouble(node -> getTextFieldRequiredWidth(((IngredientListCell) node).textField))
+                .max()
+                .orElse(0);
+
+        getListView().setMinWidth(max + totalSpacing);
+    }
+
+    private double getTextFieldRequiredWidth(TextField textField) {
+        Text textNode = new Text(textField.getText());
+        textNode.setFont(textField.getFont());
+        return textNode.getLayoutBounds().getWidth()
+               + textField.getPadding().getLeft()
+               + textField.getPadding().getRight()
+               + BUILTIN_BORDER_WIDTH * 2;
+    }
+}

src/main/java/de/hitec/nhplus/medication/MedicationModalController.java

@@ -0,0 +1,118 @@
+package de.hitec.nhplus.medication;
+
+import javafx.beans.value.ChangeListener;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.ListView;
+import javafx.scene.control.TextArea;
+import javafx.scene.control.TextField;
+import javafx.stage.Stage;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Predicate;
+
+import static de.hitec.nhplus.utils.Validator.*;
+
+public class MedicationModalController {
+
+    @FXML
+    public ListView<Ingredient> listViewIngredients;
+    @FXML
+    public TextField textFieldName;
+    @FXML
+    public TextField textFieldManufacturer;
+    @FXML
+    public TextField textFieldAdministrationMethod;
+    @FXML
+    public TextField textFieldCurrentStock;
+    @FXML
+    public TextArea textAreaPossibleSideEffects;
+    @FXML
+    public Button buttonSave;
+
+    private Stage stage;
+    private Medication medication;
+    private final ObservableList<Ingredient> ingredients = FXCollections.observableArrayList();
+    private AllMedicationController controller;
+
+    @FXML
+    public void initialize(Stage stage, AllMedicationController controller, Medication medication) {
+        this.stage = stage;
+        this.controller=controller;
+
+        if( medication != null){
+            this.medication =  medication;
+        }else {
+            this.medication = new Medication(
+                    "",
+                    "",
+                    new ArrayList<>(),
+                    "",
+                    "",
+                    0
+            );
+            this.buttonSave.setDisable(true);
+        }
+
+        listViewIngredients.setCellFactory(cellData -> new IngredientListCell());
+        listViewIngredients.setItems(ingredients);
+        showData();
+
+        ChangeListener<String> inputMedicationValidationListener = (observableValue, oldText, newText) -> {
+            boolean isValid = isValidMedicationName(textFieldName.getText())
+                    && isValidMedicationManufacturer(textFieldManufacturer.getText())
+                    && isValidMedicationAdministrationMethod(textFieldAdministrationMethod.getText())
+                    && isValidStock(textFieldCurrentStock.getText());
+
+            this.buttonSave.setDisable(!isValid);
+        };
+
+        this.textFieldName.textProperty().addListener(inputMedicationValidationListener);
+        this.textFieldManufacturer.textProperty().addListener(inputMedicationValidationListener);
+        this.textFieldAdministrationMethod.textProperty().addListener(inputMedicationValidationListener);
+        this.textFieldCurrentStock.textProperty().addListener(inputMedicationValidationListener);
+    }
+
+    private void showData(){
+        ingredients.setAll(medication.getIngredients());
+        textFieldName.setText(medication.getName());
+        textFieldManufacturer.setText(medication.getManufacturer());
+        textFieldAdministrationMethod.setText(medication.getAdministrationMethod());
+        textFieldCurrentStock.setText(String.valueOf(medication.getCurrentStock()));
+        textAreaPossibleSideEffects.setText(medication.getPossibleSideEffects());
+    }
+
+    @FXML
+    public void handleSave() {
+        this.medication.setName(textFieldName.getText());
+        this.medication.setManufacturer(textFieldManufacturer.getText());
+        this.medication.setAdministrationMethod(textFieldAdministrationMethod.getText());
+        this.medication.setCurrentStock(Integer.parseInt(textFieldCurrentStock.getText()));
+        this.medication.setPossibleSideEffects(textAreaPossibleSideEffects.getText());
+        this.medication.setIngredients(ingredients
+                .stream()
+                .map(Ingredient::getName)
+                .distinct()
+                .filter(Predicate.not(String::isEmpty))
+                .map(Ingredient::new)
+                .toList()
+        );
+
+        controller.createMedication(medication);
+        controller.readAllAndShowInTableView();
+        stage.close();
+    }
+
+    @FXML
+    public void handleCancel() {
+        stage.close();
+    }
+
+    @FXML
+    public void handleAddIngredient() {
+        ingredients.add(new Ingredient(""));
+    }
+}

src/main/java/de/hitec/nhplus/utils/Validator.java

@@ -148,4 +148,28 @@ public class Validator {
     public static boolean isValidRoomNumber(String text) {
         return !text.isBlank();
     }
+
+    public static boolean isValidMedicationName(String text) {
+        return !text.isBlank();
+    }
+
+    public static boolean isValidMedicationManufacturer(String text) {
+        return !text.isBlank();
+    }
+
+    public static boolean isValidMedicationAdministrationMethod(String text) {
+        return !text.isBlank();
+    }
+
+    public static boolean isValidStock(String text) {
+        if (text.isBlank()) {
+            return false;
+        }
+        try {
+            int stock = Integer.parseInt(text);
+            return stock >= 0;
+        } catch (Exception exception) {
+            return false;
+        }
+    }
 }

src/main/resources/de/hitec/nhplus/medication/AllMedicationView.fxml

@@ -66,6 +66,7 @@
                             fx:id="buttonAdd"
                             mnemonicParsing="false"
                             prefWidth="90.0"
+                            onAction="#handleNewMedication"
                             text="Hinzufügen"
                     />
                     <Button