implemente the import without error handeling

src/main/java/at/ionas999/questioncatalog/controller/UploadController.java

@@ -1,23 +1,27 @@
 package at.ionas999.questioncatalog.controller;
 
 import at.ionas999.questioncatalog.Utils;
+import at.ionas999.questioncatalog.model.Question;
 import at.ionas999.questioncatalog.model.QuestionCatalog;
 import at.ionas999.questioncatalog.services.QuestionCatalogService;
-import javafx.beans.property.ObjectProperty;
+import at.ionas999.questioncatalog.services.QuestionService;
-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.*;
-import javafx.scene.control.Label;
+import javafx.stage.FileChooser;
-import javafx.scene.control.ListView;
-import javafx.scene.control.TextField;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
 import java.sql.SQLException;
 import java.util.ArrayList;
+import java.util.Arrays;
 
 public class UploadController {
+    public TextArea csvContentArea;
     @FXML
     private Button deleteCatalogButton;
     @FXML
@@ -35,37 +39,49 @@ public class UploadController {
 
     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());
-       catalogs = FXCollections.observableList(QuestionCatalogService.GetCatalogsWithoutQuestions());
+        catalogListViw.setItems(catalogs);
-       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();
+        QuestionCatalog c = (QuestionCatalog) catalogListViw.getSelectionModel().getSelectedItem();
-        boolean result = Utils.showConfirmationButton("Do you want to proceed with deleting a catalog with all questions contained?");
+        if (c == null) {
-
-        if(!result)
             return;
-
+        }
+        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();
     }
-}
+
+
+    @FXML
+    private void onImportBtnClick(ActionEvent actionEvent) {
+        QuestionCatalog c = (QuestionCatalog) catalogListViw.getSelectionModel().getSelectedItem();
+       String csvContent = csvContentArea.getText();
+       String[] lines = csvContent.split("\n");
+
+       for(String line : lines)
+       {
+           String[] segments = line.split(";");
+           Question q = new Question(-1, segments[0], segments[1], c.getId());
+           QuestionService.AddQuestionToDb(q);
+       }
+       csvContentArea.setText("");
+    }
+}

src/main/resources/at/ionas999/questioncatalog/upload.fxml

@@ -23,11 +23,11 @@
             </padding>
             <Label text="Select Catalog:"/>
             <ListView fx:id="catalogListViw" VBox.vgrow="ALWAYS"/>
-          <HBox spacing="5">
+            <HBox spacing="5">
-              <TextField fx:id="newCatalogField" promptText="New Catalog Name" HBox.hgrow="ALWAYS"/>
+                <TextField fx:id="newCatalogField" promptText="New Catalog Name" HBox.hgrow="ALWAYS"/>
-              <Button fx:id="addCatalogButton" text="+" onAction="#onAddNewCatalogBtnClick"/>
+                <Button fx:id="addCatalogButton" text="+" onAction="#onAddNewCatalogBtnClick"/>
-              <Button fx:id="deleteCatalogButton" text="-"  onAction="#onDeleteCatalogBtnClick"/>
+                <Button fx:id="deleteCatalogButton" text="-" onAction="#onDeleteCatalogBtnClick"/>
-          </HBox>
+            </HBox>
         </VBox>
     </left>
 
@@ -36,10 +36,9 @@
             <padding>
                 <Insets top="10" right="10" bottom="10" left="10"/>
             </padding>
-            <Label text="Upload CSV File"/>
+            <Label text="Paste CSV Content Below:"/>
-            <Button fx:id="uploadButton" text="Choose File"/>
+            <TextArea fx:id="csvContentArea" promptText="Paste your CSV content here..." prefHeight="200.0"/>
-            <Label fx:id="fileNameLabel" text="No file selected"/>
+            <Button fx:id="importButton" text="Import Questions" onAction="#onImportBtnClick"/>
-            <Button fx:id="importButton" text="Import Questions" disable="true"/>
         </VBox>
     </center>
 </BorderPane>

src/main/resources/at/ionas999/questioncatalog/view.fxml

@@ -1,37 +1,36 @@
-<?import javafx.geometry.Insets?>
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.*?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
-<BorderPane xmlns="http://javafx.com/javafx"
+<BorderPane prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/17.0.12" xmlns:fx="http://javafx.com/fxml/1" fx:controller="at.ionas999.questioncatalog.controller.ViewController">
-            xmlns:fx="http://javafx.com/fxml"
-            fx:controller="at.ionas999.questioncatalog.controller.ViewController"
-            prefHeight="400.0" prefWidth="600.0">
 
     <top>
         <HBox alignment="TOP_RIGHT" spacing="10.0">
             <padding>
-                <Insets top="10.0" right="10.0" bottom="0.0" left="10.0"/>
+                <Insets bottom="0.0" left="10.0" right="10.0" top="10.0" />
             </padding>
             <ComboBox fx:id="selectBox" promptText="Select an Catalog" />
         </HBox>
     </top>
 
     <left>
-        <ListView fx:id="questionListView" prefWidth="200.0" />
+        <ListView fx:id="questionListView" prefHeight="364.0" prefWidth="209.0" />
     </left>
 
     <center>
         <VBox spacing="10.0">
             <padding>
-                <Insets top="10.0" right="10.0" bottom="10.0" left="10.0"/>
+                <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
             </padding>
             <TextField fx:id="questionField" editable="false" />
-            <TextField fx:id="answerField" promptText="Answer" editable="false" />
+            <TextField fx:id="answerField" editable="false" promptText="Answer" />
-            <HBox spacing="10.0" alignment="BOTTOM_RIGHT">
+            <HBox alignment="BOTTOM_RIGHT" spacing="10.0">
                 <Button fx:id="deleteButton" onAction="#deleteQuestion" text="Delete" />
-                <Button fx:id="editButton" text="Edit" onAction="#editQuestion"   />
+                <Button fx:id="editButton" onAction="#editQuestion" text="Edit" />
             </HBox>
         </VBox>
     </center>
 
-</BorderPane>
+</BorderPane>