Пример #1
0
  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();
    }
  }
Пример #2
0
  @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();
  }