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GUI.java

+import java.awt.Panel;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+
+/**
+ * GUI code
+ *
+ * @author Marc.
+ *         Created 17 Nov 2019.
+ */
+public class GUI {
+
+	private int input_language = 0, output_language = 0;
+	private JFrame frame = new JFrame("GUI");
+	private Panel panel = new Panel();
+	private JLabel input_label = new JLabel("Input languge");
+	private JLabel output_label = new JLabel("output languge");
+	private JLabel in_label = new JLabel("In:");
+	private JLabel out_label = new JLabel("out:");
+	
+    private JButton input_english_button = new JButton("English");
+    private JButton input_french_button = new JButton("French");
+    private JButton input_german_button = new JButton("German");
+    
+    private JButton output_english_button = new JButton("English");
+    private JButton output_french_button = new JButton("French");
+    private JButton output_german_button = new JButton("German");
+    
+    private JTextField input_textbox = new JTextField(12);
+    private JTextArea output_text = new JTextArea(1,12);
+	
+	public GUI() {
+		//setup window
+	    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+	    frame.setSize(350,150);
+	    
+	    panel.add(input_label);
+	    panel.add(input_english_button);
+	    panel.add(input_french_button);
+	    panel.add(input_german_button);
+	    
+	    panel.add(output_label);
+	    panel.add(output_english_button);
+	    panel.add(output_french_button);
+	    panel.add(output_german_button);
+	    
+	    panel.add(in_label);
+	    panel.add(input_textbox);
+	    panel.add(out_label);
+	    panel.add(output_text);
+	    frame.add(panel);
+	    frame.setVisible(true);
+	    
+	    //what the buttons do when pressed
+	    input_english_button.addActionListener(new ActionListener() {
+	    	public void actionPerformed(ActionEvent e) { input_language = 0; }
+	    });
+	    input_french_button.addActionListener(new ActionListener() {
+	    	public void actionPerformed(ActionEvent e) { input_language = 1; }
+	    });
+	    input_german_button.addActionListener(new ActionListener() {
+	    	public void actionPerformed(ActionEvent e) { input_language = 2; }
+	    });
+	    
+	    output_english_button.addActionListener(new ActionListener() {
+	    	public void actionPerformed(ActionEvent e) { output_language = 0; }
+	    });
+	    output_french_button.addActionListener(new ActionListener() {
+	    	public void actionPerformed(ActionEvent e) { output_language = 1; }
+	    });
+	    output_german_button.addActionListener(new ActionListener() {
+	    	public void actionPerformed(ActionEvent e) { output_language = 2; }
+	    });
+	}
+	
+	//update output text
+	public void updateText(String text) {
+		output_text.setText(text);
+	}
+	
+	//returns text typed into textbox
+	public String getTextInput() { return input_textbox.getText(); }
+	//returns an int corresponding to the input language (0 = English, 1 = French, 2 = German)
+	public int getInputLanguage() { return input_language; }
+	//returns an int corresponding to the output language (0 = English, 1 = French, 2 = German)
+	public int getOutputLanguage() { return output_language; }
+}
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