/**

* Andrew Pereira

* August 12, 2020

*/

package JavaFXAPIFileReader;

import javafx.event.ActionEvent;

import javafx.fxml.FXML;

import javafx.scene.control.*;

import javafx.stage.FileChooser;

import javafx.stage.Stage;

import java.io.*;

public class fileReaderController {

@FXML

private Button btView;

@FXML

private TextField inputText;

@FXML

private TextArea outputText;

@FXML

private Button btClear;

@FXML

private Label errorOutput;

@FXML

private MenuItem btClose;

@FXML

void clearHandler(ActionEvent event) {

outputText.setText("");

}

@FXML

void viewHandler(ActionEvent event) {

try {

readInput(); //calls method to read input file

writeOutput(); //calls method to write file

errorOutput.setText(""); //removes error message if there was an error shown

}

catch (Exception e){

errorOutput.setText("File not found");

System.out.println("Error: " + e);

outputText.setText("");

}

}

@FXML

void openHandler(ActionEvent event){

FileChooser fileChooser = new FileChooser();

fileChooser.setTitle("Choose a file"); //user can choose file from C drive

File file = fileChooser.showOpenDialog(new Stage());

if (file != null){

inputText.setText("" + file.getName());

errorOutput.setText("");

}

else{

errorOutput.setText("File not found");

}

}

@FXML

void closeHandler(ActionEvent event) {

inputText.setText("");

outputText.setText("");

}

/**

*

* @throws IOException

*/

void readInput() throws IOException {

BufferedReader reader = new BufferedReader(new FileReader(new File(inputText.getText())));

String line;

while ((line = reader.readLine()) != null) {

outputText.appendText(line + "\n");}

} //method for reading input from txt file

void writeOutput() throws IOException {

File outFile = new File("BagelShopReceipt.txt");

FileOutputStream outFileStream = new FileOutputStream(outFile);

PrintWriter outStream = new PrintWriter(outFileStream);

outStream.write(String.valueOf(outputText.getText()));

outStream.close();

} //method for writing contents of selected file to new file. I chose a new filename.

}