public void save() { ObservableList<StudentRecord> records = DataSource.getAllMarks(new File(currentFileName)); try { FileWriter writer = new FileWriter(new File(currentFileName)); for (StudentRecord student : records) { writer.append(student.getID()); writer.append(","); writer.append(String.valueOf(student.getAssign())); writer.append(","); writer.append(String.valueOf(student.getMidterm())); writer.append(','); writer.append(String.valueOf(student.getFinal())); writer.append(","); writer.append(student.getGrade()); writer.append("\n"); } } catch (Exception e) { e.printStackTrace(); } }
@Override public void start(Stage primaryStage) throws Exception { /* create the menu (for the top of the user interface) */ Menu fileMenu = new Menu("File"); MenuItem newMenuItem = new MenuItem("New", imageFile("images/new.png")); newMenuItem.setAccelerator(KeyCombination.keyCombination("Ctrl+N")); fileMenu.getItems().add(newMenuItem); fileMenu.getItems().add(new SeparatorMenuItem()); fileMenu.getItems().add(new MenuItem("Open...", imageFile("images/open.png"))); fileMenu.getItems().add(new SeparatorMenuItem()); MenuItem saveMenuItem = new MenuItem("Save", imageFile("images/save.png")); fileMenu.getItems().add(saveMenuItem); MenuItem saveAsMenuItem = new MenuItem("Save As...", imageFile("images/save_as.png")); fileMenu.getItems().add(saveAsMenuItem); fileMenu.getItems().add(new SeparatorMenuItem()); MenuItem exitMenuItem = new MenuItem("Exit", imageFile("images/exit.png")); fileMenu.getItems().add(exitMenuItem); exitMenuItem.setAccelerator(KeyCombination.keyCombination("Ctrl+Q")); exitMenuItem.setOnAction(e -> System.exit(0)); Menu editMenu = new Menu("Edit"); editMenu.getItems().add(new MenuItem("Cut", imageFile("images/cut.png"))); editMenu.getItems().add(new MenuItem("Copy", imageFile("images/copy.png"))); editMenu.getItems().add(new MenuItem("Paste", imageFile("images/paste.png"))); Menu helpMenu = new Menu("Help"); helpMenu.getItems().add(new MenuItem("About...", imageFile("images/about.png"))); helpMenu.getItems().add(new SeparatorMenuItem()); helpMenu.getItems().add(new MenuItem("Help...", imageFile("images/help.png"))); MenuBar menuBar = new MenuBar(); menuBar.getMenus().add(fileMenu); menuBar.getMenus().add(editMenu); menuBar.getMenus().add(helpMenu); primaryStage.setTitle("Lab08"); // grid contains all of the textfeilds, labels , buttons, ect.. GridPane grid = new GridPane(); // the tableview puts all of our data into a exel like format TableView<StudentRecord> table = new TableView<>(); table.setItems(DataSource.getAllMarks()); table.setEditable(true); TableColumn<StudentRecord, String> IDColumn = null; IDColumn = new TableColumn<>("SID"); IDColumn.setMinWidth(100); // the thing in quotes is what it will search for in the StudentRecords.java (MAKE SURE THERE IS // A GET FUNCTION FOR THAT VARIBALE) IDColumn.setCellValueFactory(new PropertyValueFactory<>("ID")); TableColumn<StudentRecord, Double> AssignmentColumn = null; AssignmentColumn = new TableColumn<>("Assignment"); AssignmentColumn.setMinWidth(100); AssignmentColumn.setCellValueFactory(new PropertyValueFactory<>("Assign")); TableColumn<StudentRecord, Float> MidtermColumn = null; MidtermColumn = new TableColumn<>("Midterm"); MidtermColumn.setMinWidth(100); MidtermColumn.setCellValueFactory(new PropertyValueFactory<>("Midterm")); TableColumn<StudentRecord, Float> FinalColumn = null; FinalColumn = new TableColumn<>("Final Exam"); FinalColumn.setMinWidth(100); FinalColumn.setCellValueFactory(new PropertyValueFactory<>("Final")); TableColumn<StudentRecord, String> GradeColumn = null; GradeColumn = new TableColumn<>("Letter Grade"); GradeColumn.setMinWidth(100); GradeColumn.setCellValueFactory(new PropertyValueFactory<>("Grade")); table.getColumns().add(IDColumn); table.getColumns().add(AssignmentColumn); table.getColumns().add(MidtermColumn); table.getColumns().add(FinalColumn); table.getColumns().add(GradeColumn); Label IDLabel = new Label("SID:"); grid.add(IDLabel, 0, 0); TextField IDField = new TextField(); IDField.setPromptText("SID"); grid.add(IDField, 1, 0); Label AssignLabel = new Label("Assignments:"); grid.add(AssignLabel, 2, 0); TextField AssignField = new TextField(); AssignField.setPromptText("Assignment"); grid.add(AssignField, 3, 0); Label MidLabel = new Label("Midterm:"); grid.add(MidLabel, 0, 1); TextField midField = new TextField(); midField.setPromptText("Midterm"); grid.add(midField, 1, 1); Label FinalLabel = new Label("Final:"); grid.add(FinalLabel, 2, 1); TextField FinalField = new TextField(); FinalField.setPromptText("Final"); grid.add(FinalField, 3, 1); Button AddButton = new Button("Add"); AddButton.setOnAction( new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent e) { char Grade; String SID = IDField.getText(); Float Assignment = Float.parseFloat(AssignField.getText()); Float Midterm = Float.parseFloat(midField.getText()); Float Final = Float.parseFloat(FinalField.getText()); table.getItems().add(new StudentRecord(SID, Assignment, Midterm, Final)); IDField.setText(""); AssignField.setText(""); midField.setText(""); FinalField.setText(""); } }); grid.add(AddButton, 0, 2); layout = new BorderPane(); layout.setTop(menuBar); layout.setCenter(table); layout.setBottom(grid); Scene scene = new Scene(layout); grid.setPadding(new Insets(10, 10, 10, 10)); grid.setVgap(10); grid.setHgap(10); primaryStage.setScene(scene); primaryStage.show(); }