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implemeted deleted and adding a new question catalog

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This commit is contained in:
Jonas Hinterdorfer 2025-05-12 20:46:22 +02:00
parent d294716316
commit a87c20208e
7 changed files with 115 additions and 36 deletions
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19
src/main/java/at/ionas999/questioncatalog/Utils.java
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@ -3,10 +3,13 @@ package at.ionas999.questioncatalog;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.ButtonType;
import javafx.stage.Stage;
import javafx.event.ActionEvent;
import java.io.IOException;
import java.util.Optional;
public class Utils {
public static void switchScenes(String fxmlFileName, Stage stage) throws IOException {
@ -20,4 +23,20 @@ public class Utils {
public static Stage getStageFromActionEven(ActionEvent actionEvent){
return (Stage) ((javafx.scene.Node) actionEvent.getSource()).getScene().getWindow();
}
public static boolean showConfirmationButton(String content) {
Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
alert.setTitle("Confirmation Dialog");
alert.setHeaderText("Are you sure?");
alert.setContentText(content);
ButtonType yesButton = new ButtonType("Yes");
ButtonType cancelButton = new ButtonType("Cancel");
alert.getButtonTypes().setAll(yesButton, cancelButton);
Optional<ButtonType> result = alert.showAndWait();
return result.filter(buttonType -> buttonType == yesButton).isPresent();
}
}

69
src/main/java/at/ionas999/questioncatalog/controller/UploadController.java
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@ -1,16 +1,71 @@
package at.ionas999.questioncatalog.controller;
import at.ionas999.questioncatalog.Utils;
import at.ionas999.questioncatalog.model.QuestionCatalog;
import at.ionas999.questioncatalog.services.QuestionCatalogService;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.TextField;
import java.sql.SQLException;
import java.util.ArrayList;
public class UploadController {
public ListView catalogListView;
public TextField newCatalogField;
public Button addCatalogButton;
public ListView catalogListViw;
public Button uploadButton;
public Label fileNameLabel;
public Button importButton;
@FXML
private Button deleteCatalogButton;
@FXML
private TextField newCatalogField;
@FXML
private Button addCatalogButton;
@FXML
private ListView catalogListViw;
@FXML
private Button uploadButton;
@FXML
private Label fileNameLabel;
@FXML
private Button importButton;
ObservableList<QuestionCatalog> catalogs;
private ObjectProperty<QuestionCatalog> currentCatalog = new SimpleObjectProperty<>();
@FXML
private void initialize() throws SQLException {
currentCatalog.bind(catalogListViw.getSelectionModel().selectedItemProperty());
catalogs = FXCollections.observableList(QuestionCatalogService.GetCatalogsWithoutQuestions());
catalogListViw.setItems(catalogs);
}
@FXML
private void onAddNewCatalogBtnClick(ActionEvent actionEvent) throws SQLException {
String name = newCatalogField.getText();
QuestionCatalog c = new QuestionCatalog(-1, name, null);
System.out.println(c);
QuestionCatalogService.AddQuestionCatalogToDb(c);
this.catalogs.add(c);
catalogListViw.refresh();
}
@FXML
private void onDeleteCatalogBtnClick(ActionEvent actionEvent) {
QuestionCatalog c = currentCatalog.get();
boolean result = Utils.showConfirmationButton("Do you want to proceed with deleting a catalog with all questions contained?");
if(!result)
return;
QuestionCatalogService.DeleteQuestionCatalog(c.getId());
catalogs.remove(c);
catalogListViw.refresh();
}
}

17
src/main/java/at/ionas999/questioncatalog/controller/ViewController.java
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@ -16,6 +16,8 @@ import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import static at.ionas999.questioncatalog.Utils.showConfirmationButton;
public class ViewController {
@FXML
private ComboBox selectBox;
@ -114,20 +116,5 @@ public class ViewController {
}
private boolean showConfirmationButton(String content) {
Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
alert.setTitle("Confirmation Dialog");
alert.setHeaderText("Are you sure?");
alert.setContentText(content);
ButtonType yesButton = new ButtonType("Yes");
ButtonType cancelButton = new ButtonType("Cancel");
alert.getButtonTypes().setAll(yesButton, cancelButton);
Optional<ButtonType> result = alert.showAndWait();
return result.filter(buttonType -> buttonType == yesButton).isPresent();
}
}

2
src/main/java/at/ionas999/questioncatalog/model/QuestionCatalog.java
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@ -18,7 +18,7 @@ public class QuestionCatalog {
}
public ObservableList<Question> getQuestions() {
return FXCollections.observableList(questions);
return questions == null ? null : FXCollections.observableList(questions);
}
public void setQuestions(ArrayList<Question> questions){

33
src/main/java/at/ionas999/questioncatalog/services/QuestionCatalogService.java
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@ -11,22 +11,26 @@ import java.util.ArrayList;
import java.util.List;
public class QuestionCatalogService {
public static boolean AddQuestionCatalogToDb(QuestionCatalog catalog) throws SQLException {
public static QuestionCatalog AddQuestionCatalogToDb(QuestionCatalog catalog) throws SQLException {
try (Connection connection = ServiceBase.GetJDBCConnection()) {
String insertStmt = "insert into QUESTIONCATALOG (NAME) VALUES (?)";
try (PreparedStatement statement = connection.prepareStatement(insertStmt)) {
statement.setString(2, catalog.getName());
statement.setString(1, catalog.getName());
statement.execute();
}
}
int id = GetLastInsertedCatalogWithoutQuestions(catalog.getName()).getId();
for(Question q : catalog.getQuestions()) {
q.setQuestionCatalogId(id);
QuestionService.AddQuestionToDb(q);
QuestionCatalog c = GetLastInsertedCatalogWithoutQuestions(catalog.getName());
if(catalog.getQuestions() != null)
{
for(Question q : catalog.getQuestions()) {
q.setQuestionCatalogId(c.getId());
QuestionService.AddQuestionToDb(q);
}
}
return true;
return c;
}
@ -37,7 +41,6 @@ public class QuestionCatalogService {
try (PreparedStatement statement = connection.prepareStatement(stmtString)) {
ResultSet rs = statement.executeQuery();
List<Question> questions = new ArrayList<Question>();
rs.next();
catalog = new QuestionCatalog(
rs.getInt(1),
@ -49,7 +52,21 @@ public class QuestionCatalogService {
}
return catalog;
}
public static boolean DeleteQuestionCatalog(int id){
try(Connection connection = ServiceBase.GetJDBCConnection()){
String insertStmt = "delete from QUESTIONCATALOG where ID = ?";
try (PreparedStatement statement = connection.prepareStatement(insertStmt)){
statement.setInt(1, id);
statement.execute();
}
}
catch (SQLException _){
return false;
}
return true;
}
public static ArrayList<QuestionCatalog> GetCatalogsWithoutQuestions() throws SQLException {
String stmtString = "select id, name from QUESTIONCATALOG";

2
src/main/java/at/ionas999/questioncatalog/services/ServiceBase.java
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@ -37,7 +37,7 @@ public abstract class ServiceBase {
questionCatalogId integer,
question varchar(100) not null,
answer varchar(100) not null,
constraint fk_questionCatalog foreign key (questionCatalogId) references QuestionCatalog(id)
constraint fk_questionCatalog foreign key (questionCatalogId) references QuestionCatalog(id) on delete cascade
)
""";
try (Statement stmt = connection.createStatement()) {

9
src/main/resources/at/ionas999/questioncatalog/upload.fxml
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@ -23,10 +23,11 @@
</padding>
<Label text="Select Catalog:"/>
<ListView fx:id="catalogListViw" VBox.vgrow="ALWAYS"/>
<HBox spacing="5">
<TextField fx:id="newCatalogField" promptText="New Catalog Name" HBox.hgrow="ALWAYS"/>
<Button fx:id="addCatalogButton" text="+"/>
</HBox>
<HBox spacing="5">
<TextField fx:id="newCatalogField" promptText="New Catalog Name" HBox.hgrow="ALWAYS"/>
<Button fx:id="addCatalogButton" text="+" onAction="#onAddNewCatalogBtnClick"/>
<Button fx:id="deleteCatalogButton" text="-" onAction="#onDeleteCatalogBtnClick"/>
</HBox>
</VBox>
</left>