Initial Commit

Labs/Lab9/src/StudentTranscriptGUI.java

@@ -0,0 +1,159 @@
+import javafx.application.Application;
+import javafx.application.Platform;
+import javafx.event.ActionEvent;
+import javafx.geometry.HPos;
+import javafx.geometry.Insets;
+import javafx.scene.Scene;
+import javafx.scene.control.*;
+import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.scene.layout.GridPane;
+import javafx.scene.paint.Color;
+import javafx.scene.text.Text;
+import javafx.stage.Stage;
+
+import java.sql.*;
+
+public class StudentTranscriptGUI extends Application {
+
+    private static TextField studentIDField;
+    private static TableView<CourseGrade> tableView;
+
+    private static Text response;
+
+    public void start(Stage primaryStage) {
+        primaryStage.setTitle("Get a Transcript");
+
+        Label studentIDLabel = new Label("Student ID:");
+
+        tableView = new TableView<>();
+        tableView.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
+
+        TableColumn<CourseGrade, String> course = new TableColumn<>("Course");
+        TableColumn<CourseGrade, String> grade = new TableColumn<>("Grade");
+
+        tableView.getColumns().add(course);
+        tableView.getColumns().add(grade);
+        tableView.setPrefWidth(300);
+
+        //depreciated
+        course.impl_setReorderable(false);
+        grade.impl_setReorderable(false);
+
+        course.setCellValueFactory(new PropertyValueFactory<>("course"));
+        grade.setCellValueFactory(new PropertyValueFactory<>("grade"));
+
+        studentIDField = new TextField();
+        studentIDField.setPrefWidth(150);
+        studentIDField.setMaxWidth(300);
+
+
+
+        Button accept = new Button("Get Transcript");
+        accept.setOnAction(this::processAcceptStudent);
+        Button quit = new Button("Quit");
+        quit.setOnAction(this::quitApp);
+
+        response = new Text("");
+
+        GridPane grid = new GridPane();
+        grid.setHgap(10);
+        grid.setVgap(10);
+        grid.setPadding(new Insets(0, 10, 0, 10));
+        GridPane.setHalignment(quit, HPos.RIGHT);
+
+        // Row 1: Buttons
+        grid.add(accept, 0, 0);
+        grid.add(quit, 2, 0);
+        //Row 2: name
+        grid.add(studentIDLabel, 0, 1);
+        grid.add(studentIDField, 2, 1);
+        //Row 3: tableView
+        grid.add(tableView, 0, 2, 3, 1);
+        //Row 4: response
+        grid.add(response, 0, 3, 3, 4);
+
+
+        Scene scene = new Scene(grid, 300, 300);
+
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+
+    public void processAcceptStudent(ActionEvent event) {
+
+        Connection connection = openConnection();
+        String studentID = studentIDField.getText();
+        tableView.getItems().clear();
+        try {
+            String query = "{CALL studentTranscript(?)}";
+            CallableStatement statement = connection.prepareCall(query);
+            statement.setString(1, studentID);
+            ResultSet rs = statement.executeQuery();
+            while(rs.next()) {
+                tableView.getItems().add(new CourseGrade(rs.getString(1), rs.getString(2)));
+            }
+            response.setText("Student transcript request completed.");
+            response.setFill(Color.GREEN);
+        } catch (SQLException sqlException) {
+            response.setFill(Color.RED);
+            response.setText(sqlException.getMessage());
+        }
+        closeConnection(connection);
+    }
+
+    @SuppressWarnings("SpellCheckingInspection")
+    private static Connection openConnection() {
+        final String url =  "jdbc:mysql://cs1103.cs.unb.ca:3306/ishoebot";
+        final String user = "ishoebot";
+        final String password = "k7FOLH5B";
+        Connection conn = null;
+        try {
+            conn = DriverManager.getConnection(url, user, password);
+        }
+        catch (Exception exception) {
+            response.setFill(Color.RED);
+            response.setText("Couldn't open a connection: " + exception.getMessage());
+        }
+        return conn;
+    }
+
+    private static void closeConnection(Connection conn) {
+        try {
+            conn.close();
+        }
+        catch (Exception exception) {
+            response.setFill(Color.RED);
+            response.setText("Couldn't close a connection: " + exception.getMessage());
+        }
+    }
+
+    public void quitApp(ActionEvent event) {
+        Platform.exit();
+        System.exit(0);
+    }
+
+    @SuppressWarnings("unused")
+    public static class CourseGrade {
+        private String course;
+        private String grade;
+
+        public CourseGrade(String course, String grade) {
+            this.course = course;
+            this.grade = grade;
+        }
+        public void setCourse(String course) {
+            this.course = course;
+        }
+        public String getCourse() {
+            return course;
+        }
+        public String getGrade() {
+            return grade;
+        }
+        public void setGrade(String grade) {
+            this.grade = grade;
+        }
+    }
+
+}