Ultra Geile Studenten Benutzer Oberfläche (UGSBO)
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package com.ugsbo.matrixcalc;
import javafx.fxml.FXML; import javafx.scene.control.*; import javafx.scene.text.Text; import java.util.regex.Matcher; import java.util.regex.Pattern;
public class MatrixCalcController {
// Hier werden die fx:id Attribute verknuepft.
@FXML private Button multiplyButton, addButton, swapInputButton, substractButton, transposeButton; @FXML private Text errorText, outputText; @FXML private TextArea matrixATextArea, matrixBTextArea;
/** * Konstructor is called before initialize() */ public MatrixCalcController() { // Setup of some Fields could be defined here.
}
/** * Initializes the controller class. This method is automatically called after * the fxml file has been loaded. */ @FXML public void initialize() { multiplyButton.setOnMouseClicked((event) -> { String matrixA = matrixATextArea.getText(); String matrixB = matrixBTextArea.getText(); if (checkInput(matrixA)) { // TODO matrixATextArea and matrixBTextArea need to be parsed to double[][] do
// this in an extern Methode maybe an extern class.
// MatrixCalcMath math = new MatrixCalcMath();
// math.matrixMultiplication(matrixATextArea, matrixATextArea);
} // System.out.println(matrixATextArea.getText());
}); }
/** * Chcks if the Input is Valid, with Regex. Returns true if the Matrix can be * matched by the regular Expression. * * @param matrix It is the InputMatrix * @return true if the Matrix is valid Input. */ public boolean checkInput(String matrix) { boolean isMatched = false; if (matrix.length() == 0) { throw new IllegalArgumentException("Please insert a Matrix"); }
// Matches digits witch following spaces 1 to 3 times
String row1 = "(\\d*\\u0020*){1,3}"; // Matches newlineCurrierReturn followed by digits witch following spaces 1 to
// 3times
String row2 = "(\\n){0,3}(\\d*\\u0020*){0,3}"; String row3 = "(\\n){0,3}(\\d*\\u0020*){0,3}";
// TODO get the input check more stricktly missing matrix slots are allowed.
Pattern p = Pattern.compile(row1 + row2 + row3); Matcher m = p.matcher(matrix);
isMatched = m.matches();
// System.out.println(isMatched);
return isMatched; }
}
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