linked calculating the Determinants of the input Matrices to their Buttons

src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java

@@ -9,7 +9,7 @@ public class MatrixCalcController {
 
     // Hier werden die fx:id Attribute verknuepft.
     @FXML
-    private Button multiplyButton, addButton, swapInputButton, substractButton, transposeButton;
+    private Button multiplyButton, addButton, DetAButton, DetBButton, substractButton, transposeButton;
     @FXML
     private Text errorText, outputText;
     @FXML
@@ -105,5 +105,39 @@ public class MatrixCalcController {
                 outputText.setTextAlignment(TextAlignment.CENTER);
             }
         });
+
+        DetAButton.setOnMouseClicked((event) -> {
+            MatrixCalcMath math = new MatrixCalcMath();
+            MatrixCalcIOUtils util = new MatrixCalcIOUtils();
+
+            String stringMatrixA = matrixATextArea.getText();
+            if (util.checkInput(stringMatrixA)) {
+
+                double[][] matrixA = util.stringToMatrix(stringMatrixA);
+                double result = math.calcDeterminat(matrixA);
+
+                String DisplayableString = Double.toString(result);
+                
+                outputText.setText(DisplayableString);
+                outputText.setTextAlignment(TextAlignment.CENTER);
+            }
+        });
+
+        DetBButton.setOnMouseClicked((event) -> {
+            MatrixCalcMath math = new MatrixCalcMath();
+            MatrixCalcIOUtils util = new MatrixCalcIOUtils();
+
+            String stringMatrixB = matrixBTextArea.getText();
+            if (util.checkInput(stringMatrixB)) {
+
+                double[][] matrixB = util.stringToMatrix(stringMatrixB);
+                double result = math.calcDeterminat(matrixB);
+
+                String DisplayableString = Double.toString(result);
+                
+                outputText.setText(DisplayableString);
+                outputText.setTextAlignment(TextAlignment.CENTER);
+            }
+        });
     }
 }