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210 lines
7.8 KiB
210 lines
7.8 KiB
package com.ugsbo.matrixcalc;
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import javafx.fxml.FXML;
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import javafx.scene.control.*;
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import javafx.scene.text.Text;
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import javafx.scene.text.TextAlignment;
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public class MatrixCalcController {
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// Hier werden die fx:id Attribute verknuepft.
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@FXML
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private Button multiplyButton, addButton, DetAButton, DetBButton, substractButton, transposeButton;
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@FXML
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private Text errorText, outputText;
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@FXML
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private TextArea matrixATextArea, matrixBTextArea;
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private MatrixCalcMath math = new MatrixCalcMath();
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private MatrixCalcIOUtils util = new MatrixCalcIOUtils();
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/**
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* Konstructor is called before initialize()
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*/
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public MatrixCalcController() {
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// Setup of some Fields could be defined here.
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}
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/**
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* Initializes the controller class. This method is automatically called after
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* the fxml file has been loaded.
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*/
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@FXML
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public void initialize() {
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/**
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* Convert Strings to matricies, multiply them and output the result.
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*/
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multiplyButton.setOnMouseClicked((event) -> {
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String stringMatrixA = matrixATextArea.getText();
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String stringMatrixB = matrixBTextArea.getText();
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String[] stringMatrix = { stringMatrixA, stringMatrixB };
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checkInputAndDisplayIfInputIsNotValid(stringMatrix, 2);
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double[][] matrixA = util.stringToMatrix(stringMatrixA);
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double[][] matrixB = util.stringToMatrix(stringMatrixB);
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double[][] result = math.matrixMultiplication(matrixA, matrixB);
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String DisplayableString = util.outputMatrixToOutputText(result);
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outputText.setText(DisplayableString);
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outputText.setTextAlignment(TextAlignment.CENTER);
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// System.out.println(matrixATextArea.getText());
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});
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transposeButton.setOnMouseClicked((event) -> {
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String stringMatrixA = matrixATextArea.getText();
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String[] stringMatrix = { stringMatrixA, "" };
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checkInputAndDisplayIfInputIsNotValid(stringMatrix, 1);
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double[][] matrixA = util.stringToMatrix(stringMatrixA);
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double[][] result = math.matrixTransponation(matrixA);
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String DisplayableString = util.outputMatrixToOutputText(result);
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outputText.setText(DisplayableString);
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outputText.setTextAlignment(TextAlignment.CENTER);
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});
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addButton.setOnMouseClicked((event) -> {
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String stringMatrixA = matrixATextArea.getText();
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String stringMatrixB = matrixBTextArea.getText();
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String[] stringMatrix = { stringMatrixA, stringMatrixB };
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checkInputAndDisplayIfInputIsNotValid(stringMatrix, 2);
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double[][] matrixA = util.stringToMatrix(stringMatrixA);
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double[][] matrixB = util.stringToMatrix(stringMatrixB);
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double[][] result = math.matrixAddition(matrixA, matrixB);
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String DisplayableString = util.outputMatrixToOutputText(result);
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outputText.setText(DisplayableString);
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outputText.setTextAlignment(TextAlignment.CENTER);
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});
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substractButton.setOnMouseClicked((event) -> {
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String stringMatrixA = matrixATextArea.getText();
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String stringMatrixB = matrixBTextArea.getText();
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String[] stringMatrix = { stringMatrixA, stringMatrixB };
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checkInputAndDisplayIfInputIsNotValid(stringMatrix, 2);
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double[][] matrixA = util.stringToMatrix(stringMatrixA);
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double[][] matrixB = util.stringToMatrix(stringMatrixB);
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try {
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double[][] result = math.matrixSubstraction(matrixA, matrixB);
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String DisplayableString = util.outputMatrixToOutputText(result);
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outputText.setText(DisplayableString);
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outputText.setTextAlignment(TextAlignment.CENTER);
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} catch (Exception e) {
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outputText.setText(e.getMessage());
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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});
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DetAButton.setOnMouseClicked((event) -> {
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String stringMatrixA = matrixATextArea.getText();
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String[] stringMatrix = { stringMatrixA, "" };
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checkInputAndDisplayIfInputIsNotValid(stringMatrix, 1);
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double[][] matrixA = util.stringToMatrix(stringMatrixA);
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try {
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double result = math.calcDeterminat(matrixA);
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String DisplayableString = Double.toString(result);
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outputText.setText(DisplayableString);
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outputText.setTextAlignment(TextAlignment.CENTER);
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} catch (IllegalArgumentException e) {
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outputText.setText(e.getMessage());
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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});
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DetBButton.setOnMouseClicked((event) -> {
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String stringMatrixB = matrixBTextArea.getText();
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String[] stringMatrix = { "", stringMatrixB };
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checkInputAndDisplayIfInputIsNotValid(stringMatrix, 1);
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double[][] matrixB = util.stringToMatrix(stringMatrixB);
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try {
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double result = math.calcDeterminat(matrixB);
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String DisplayableString = Double.toString(result);
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outputText.setText(DisplayableString);
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outputText.setTextAlignment(TextAlignment.CENTER);
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} catch (IllegalArgumentException e) {
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outputText.setText(e.getMessage());
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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});
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}
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// TODO Wirte tests for the extracted Methode.
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/**
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* Checks the Input and Displays it if the Input is Valid.
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*
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* @param stringMatrix Contains both input matrices if
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* numberOfMarriciesToMatch is 2. If the number
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* is 1 than one of them has to be a empty String
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* @param numberOfMatricesToMatch If the number is 1 onely one Marix will be
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* verifyed and the otherone needs to be an empty
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* String in the stringMatrix
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*/
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private void checkInputAndDisplayIfInputIsNotValid(String[] stringMatrix, int numberOfMatricesToMatch) {
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if (numberOfMatricesToMatch == 1 && !stringMatrix[0].equals("")) {
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try {
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util.checkInput(stringMatrix[0]);
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} catch (Exception e) {
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outputText.setText(e.getMessage() + "A");
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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} else if (numberOfMatricesToMatch == 1 && !stringMatrix[1].equals("")) {
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try {
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util.checkInput(stringMatrix[1]);
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} catch (Exception e) {
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outputText.setText(e.getMessage() + "B");
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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} else if (numberOfMatricesToMatch == 2 && !stringMatrix[0].equals("") && !stringMatrix[1].equals("")) {
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try {
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util.checkInput(stringMatrix[0]);
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} catch (Exception e) {
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outputText.setText(e.getMessage() + "A");
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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try {
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util.checkInput(stringMatrix[1]);
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} catch (Exception e) {
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outputText.setText(e.getMessage() + "B");
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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} else if (stringMatrix[0].equals("")) {
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outputText.setText("Pease insert MatrixA");
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outputText.setTextAlignment(TextAlignment.CENTER);
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} else if (stringMatrix[1].equals("")) {
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outputText.setText("Pease insert MatrixB");
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outputText.setTextAlignment(TextAlignment.CENTER);
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}
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}
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}
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