Preparing for release again

doc/Changelog English.txt

@@ -0,0 +1,3 @@
+Randochoose 0.0.1 Alpha
+- Completion: 11th April, 2022
+- Basic functionality implemented

src/randopackage/RandochooseMain.java

@@ -0,0 +1,133 @@
+package randopackage;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.util.concurrent.*;
+
+public class RandochooseMain {
+
+	public static int majorVer = 0;
+	public static int minorVer1 = 0;
+	public static int minorVer2 = 1;
+
+	public static void main(String[] args) {		
+		JFrame mainFrame = new JFrame();
+		mainFrame.setTitle("Randochoose");
+		mainFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+		mainFrame.setSize(500, 300);
+		mainFrame.setLocationRelativeTo(null);
+
+		JPanel mainPanel = new JPanel(new GridLayout(4, 2, 10, 10));
+
+		JLabel alphaLabel = new JLabel("This program is an alpha! Major issues expected.");
+		alphaLabel.setFont(new Font("Arial", 0, 14));
+		mainPanel.add(alphaLabel);
+
+		JLabel noticeLabel = new JLabel("One line is one candidate!");
+		noticeLabel.setFont(new Font("Arial", 0, 20));
+		mainPanel.add(noticeLabel);
+
+		JPanel textPanel = new JPanel(new GridLayout(1, 2, 10, 10));
+
+		JTextArea randomizerText = new JTextArea();
+		randomizerText.setFont(new Font("Arial", 0, 14));
+		randomizerText.setRows(2);
+		textPanel.add(randomizerText);
+
+		JScrollPane scrollPane = new JScrollPane();
+		scrollPane.setViewportView(randomizerText);
+		textPanel.add(scrollPane);
+
+		mainPanel.add(textPanel);
+
+		JButton chooseCandidateBtn = new JButton("Choose!");
+		chooseCandidateBtn.setFont(new Font("Arial", 0, 14));
+
+		chooseCandidateBtn.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent arg0) {
+				scanTxtField(randomizerText.getText());
+			}
+		});
+
+		mainPanel.add(chooseCandidateBtn);
+
+		mainFrame.add(mainPanel);
+		mainFrame.pack();
+		mainFrame.setVisible(true);
+	}
+
+	public static void scanTxtField(String candidates) {
+		String[] candidateArr = candidates.split("\\\n");
+
+		try {
+			randomizedChoice(candidateArr);
+		}
+
+		catch (Exception e) {
+			noEntries();
+		}
+	}
+
+	public static void noEntries() {
+		JDialog noEntryDialog = new JDialog();
+		noEntryDialog.setTitle("Randochoose");
+
+		JPanel noEntryPanel = new JPanel(new GridLayout(3, 1, 10, 10));
+
+		JLabel noticeLabel = new JLabel("Sorry, but you didn't type in anything!");
+		noticeLabel.setFont(new Font("Arial", 0, 16));
+		noEntryPanel.add(noticeLabel);
+
+		JLabel noticeLabel2 = new JLabel("Please type in at least one candidate to continue.");
+		noticeLabel2.setFont(new Font("Arial", 0, 16));
+		noEntryPanel.add(noticeLabel2);
+
+		JButton okBtn = new JButton("OK!");
+		okBtn.setFont(new Font("Arial", 0, 14));
+
+		okBtn.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent arg0) {
+				noEntryDialog.setVisible(false);
+			}
+		});
+
+		noEntryPanel.add(okBtn);
+
+		noEntryDialog.add(noEntryPanel);
+		noEntryDialog.pack();
+		noEntryDialog.setVisible(true);
+	}
+
+	public static void randomizedChoice(String[] candidates) {
+		int i = candidates.length;
+
+		int randomizedInt = ThreadLocalRandom.current().nextInt(0, i - 1);
+		String chosenCandidate = candidates[randomizedInt];
+
+		JDialog noEntryDialog = new JDialog();
+		noEntryDialog.setTitle("Randochoose");
+
+		JPanel noEntryPanel = new JPanel(new GridLayout(2, 1, 10, 10));
+
+		JLabel noticeLabel = new JLabel(chosenCandidate + " has been chosen.");
+		noticeLabel.setFont(new Font("Arial", 0, 16));
+		noEntryPanel.add(noticeLabel);
+
+		JButton okBtn = new JButton("OK!");
+		okBtn.setFont(new Font("Arial", 0, 14));
+
+		okBtn.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent arg0) {
+				noEntryDialog.setVisible(false);
+			}
+		});
+
+		noEntryPanel.add(okBtn);
+
+		noEntryDialog.add(noEntryPanel);
+		noEntryDialog.pack();
+		noEntryDialog.setVisible(true);
+	}
+
+}