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Refactoring, mostly extracting code

featureMatrixCalculator
Lukas Reichwein 5 years ago
parent
commit
4d92178abe
  1. 40
      src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java

40
src/main/java/com/ugsbo/matrixcalc/MatrixCalcController.java

@ -39,25 +39,43 @@ public class MatrixCalcController {
String stringMatrixB = matrixBTextArea.getText();
if (checkInput(stringMatrixA) && checkInput(stringMatrixB)) {
MatrixCalcMath math = new MatrixCalcMath();
double[][] matrixA = math.stringToMatrix(stringMatrixA);
double[][] matrixB = math.stringToMatrix(stringMatrixB);
double[][] result = math.matrixMultiplication(matrixA, matrixB);
String resultString = "";
for (int i = 0; i < result.length; i++) {
for (int j = 0; j < result[0].length; j++) {
resultString += result[i][j] + " ";
//System.out.println(result[i][j]);
}
resultString += "\n\n";
}
//Display output
outputText.setText(resultString);
outputText.setTextAlignment(TextAlignment.CENTER);
outputMatrixToOutputText(result);
}
// System.out.println(matrixATextArea.getText());
});
}
/**
* Prints a given 2D-Array to the output text Field.
* @param output2DArray The Array that gets Displayed
*/
private void outputMatrixToOutputText(double[][] output2DArray) {
//convert array to String
String DisplayableString = convertsArrayToStringInOrderToDisplayIt(output2DArray);
// Display output
outputText.setText(DisplayableString);
outputText.setTextAlignment(TextAlignment.CENTER);
}
/**
* Converts Array to String in oder to Display it.
* @param array2D the array wich will be converted to an Displayable String
* @return The Displayable String
*/
private String convertsArrayToStringInOrderToDisplayIt(double[][] array2D) {
String displayableString = "";
for (int i = 0; i < array2D.length; i++) {
for (int j = 0; j < array2D[0].length; j++) {
displayableString += array2D[i][j] + " ";
// System.out.println(result[i][j]);
}
displayableString += "\n\n";
}
return displayableString;
}
/**
* Chcks if the Input is Valid, with Regex. Returns true if the Matrix can be

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