From 638ecdb125849606ad988ef5f4934898b78c4ce3 Mon Sep 17 00:00:00 2001
From: Lukas Reichwein <codeisnotevil@gmail.com>
Date: Mon, 15 Jul 2019 09:20:02 +0200
Subject: [PATCH] connected Matrix Substraction to the substract Button

---
 .../matrixcalc/MatrixCalcController.java      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java b/src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java
index 9adbce5..ee0cebb 100644
--- a/src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java
+++ b/src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java
@@ -86,5 +86,24 @@ public class MatrixCalcController {
                 outputText.setTextAlignment(TextAlignment.CENTER);
             }
         });
+
+        substractButton.setOnMouseClicked((event) -> {
+            MatrixCalcMath math = new MatrixCalcMath();
+            MatrixCalcIOUtils util = new MatrixCalcIOUtils();
+
+            String stringMatrixA = matrixATextArea.getText();
+            String stringMatrixB = matrixBTextArea.getText();
+            if (util.checkInput(stringMatrixA) && util.checkInput(stringMatrixB)) {
+
+                double[][] matrixA = util.stringToMatrix(stringMatrixA);
+                double[][] matrixB = util.stringToMatrix(stringMatrixB);
+                double[][] result = math.matrixSubstraction(matrixA, matrixB);
+
+                String DisplayableString = util.outputMatrixToOutputText(result);
+                
+                outputText.setText(DisplayableString);
+                outputText.setTextAlignment(TextAlignment.CENTER);
+            }
+        });
     }
 }
\ No newline at end of file