Beginnings of a Swing GUI.

src/main/java/de/fabianonline/telegram_backup/CommandLineController.java

@@ -5,24 +5,18 @@ import com.github.badoualy.telegram.api.TelegramApp;
 import com.github.badoualy.telegram.api.TelegramClient;
 import com.github.badoualy.telegram.tl.exception.RpcErrorException;
 
-import de.fabianonline.telegram_backup.Config;
-import de.fabianonline.telegram_backup.ApiStorage;
-import de.fabianonline.telegram_backup.UserManager;
-import de.fabianonline.telegram_backup.DownloadManager;
-import de.fabianonline.telegram_backup.CommandLineDownloadProgress;
-
 import java.io.File;
 import java.io.IOException;
+import java.util.List;
 import java.util.Scanner;
 
 public class CommandLineController {
 	private ApiStorage storage;
-	private CommandLineOptions options;
 	public TelegramApp app;
 	public UserManager user = null;
 	
-	public CommandLineController(String[] args) {
-		options = new CommandLineOptions(args);
+	public CommandLineController(CommandLineOptions options) {
+
 		if (options.cmd_help) this.show_help();
 		if (options.cmd_list_accounts) this.list_accounts();
 		if (options.account==null && !options.cmd_login) {
@@ -95,17 +89,12 @@ public class CommandLineController {
 	
 	private void list_accounts() {
 		System.out.println("List of available accounts:");
-		int count = 0;
-		File folder = new File(Config.FILE_BASE);
-		File[] files = folder.listFiles();
-		for (File f : files) {
-			if (f.isDirectory()) {
-				count++;
-				System.out.println("  " + f.getName());
+		List<String> accounts = Utils.getAccounts();
+		if (accounts.size()>0) {
+			for (String str : accounts) {
+				System.out.println("    " + str);
 			}
-		}
-		if (count>0) {
-			System.out.println("Use '--acount <x>' to use one of those accounts.");
+			System.out.println("Use '--account <x>' to use one of those accounts.");
 		} else {
 			System.out.println("NO ACCOUNTS FOUND");
 			System.out.println("Use '--login' to login to a telegram account.");
@@ -118,40 +107,4 @@ public class CommandLineController {
 		System.exit(1);
 	}
 	
-	private class CommandLineOptions {
-		public String account = null;
-		public boolean cmd_help = false;
-		public boolean cmd_login = false;
-		public boolean cmd_debug = false;
-		public boolean cmd_list_accounts = false;
-		public Integer limit_messages = null;
-		
-		public CommandLineOptions(String[] args) {
-			String last_cmd = null;
-			
-			for (String arg : args) {
-				if (last_cmd != null) {
-					switch(last_cmd) {
-						case "--account": this.account=arg; break;
-						case "--limit-messages": this.limit_messages=Integer.parseInt(arg); break;
-					}
-					last_cmd = null;
-					continue;
-				}
-				
-				switch(arg) {
-					case "--account": last_cmd=arg; continue;
-					case "--help": this.cmd_help=true; break;
-					case "--login": this.cmd_login=true; break;
-					case "--debug": this.cmd_debug=true; break;
-					case "--list-accounts": this.cmd_list_accounts=true; break;
-					case "--limit-messages": last_cmd=arg; continue;
-					default: throw new RuntimeException("Unknown command " + arg);
-				}
-			}
-			if (last_cmd != null) {
-				CommandLineController.show_error("Command " + last_cmd + " had no parameter set.");
-			}
-		}
-	}
 }

src/main/java/de/fabianonline/telegram_backup/CommandLineOptions.java

@@ -0,0 +1,59 @@
+package de.fabianonline.telegram_backup;
+
+class CommandLineOptions {
+	public boolean cmd_console = false;
+	public String account = null;
+	public boolean cmd_help = false;
+	public boolean cmd_login = false;
+	public boolean cmd_debug = false;
+	public boolean cmd_list_accounts = false;
+	public Integer limit_messages = null;
+
+	public CommandLineOptions(String[] args) {
+		String last_cmd = null;
+
+		for (String arg : args) {
+			if (last_cmd != null) {
+				switch (last_cmd) {
+					case "--account":
+						this.account = arg;
+						break;
+					case "--limit-messages":
+						this.limit_messages = Integer.parseInt(arg);
+						break;
+				}
+				last_cmd = null;
+				continue;
+			}
+
+			switch (arg) {
+				case "--account":
+					last_cmd = arg;
+					continue;
+				case "--help":
+					this.cmd_help = true;
+					break;
+				case "--login":
+					this.cmd_login = true;
+					break;
+				case "--debug":
+					this.cmd_debug = true;
+					break;
+				case "--list-accounts":
+					this.cmd_list_accounts = true;
+					break;
+				case "--limit-messages":
+					last_cmd = arg;
+					continue;
+				case "--console":
+					this.cmd_console = true;
+					break;
+				default:
+					throw new RuntimeException("Unknown command " + arg);
+			}
+		}
+		if (last_cmd != null) {
+			CommandLineController.show_error("Command " + last_cmd + " had no parameter set.");
+		}
+	}
+}

src/main/java/de/fabianonline/telegram_backup/CommandLineRunner.java

@@ -4,6 +4,12 @@ import de.fabianonline.telegram_backup.CommandLineController;
 
 public class CommandLineRunner {
 	public static void main(String[] args) {
-		new CommandLineController(args);
+		CommandLineOptions options = new CommandLineOptions(args);
+		if (true || options.cmd_console) {
+			// Always use the console for now.
+			new CommandLineController(options);
+		} else {
+			new GUIController(options);
+		}
 	}
 }

src/main/java/de/fabianonline/telegram_backup/GUIController.java

@@ -0,0 +1,88 @@
+package de.fabianonline.telegram_backup;
+
+import javax.swing.*;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Vector;
+
+public class GUIController {
+	private CommandLineOptions options;
+
+	public GUIController(CommandLineOptions options) {
+		this.options = options;
+		showAccountChooserDialog();
+	}
+
+	private void showAccountChooserDialog() {
+		JDialog accountChooser = new JDialog();
+		accountChooser.setTitle("Choose account");
+		accountChooser.setSize(400, 200);
+		JPanel vert = new JPanel();
+		vert.setLayout(new BorderLayout());
+		vert.add(new JLabel("Please select the account to use or create a new one."), BorderLayout.NORTH);
+		Vector<String> accounts = Utils.getAccounts();
+		JList<String> list = new JList<String>(accounts);
+		list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+		vert.add(list, BorderLayout.CENTER);
+		JPanel bottom = new JPanel(new GridLayout(1, 2));
+		JButton btnAddAccount = new JButton("Add account");
+		bottom.add(btnAddAccount);
+		JButton btnLogin = new JButton("Login");
+		btnLogin.setEnabled(false);
+		bottom.add(btnLogin);
+		vert.add(bottom, BorderLayout.SOUTH);
+		accountChooser.add(vert);
+		accountChooser.setVisible(true);
+		accountChooser.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+
+		list.addListSelectionListener(new ListSelectionListener() {
+			@Override
+			public void valueChanged(ListSelectionEvent e) {
+				btnLogin.setEnabled(true);
+			}
+		});
+
+		btnAddAccount.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				accountChooser.setVisible(false);
+				accountChooser.dispose();
+				addAccountDialog();
+			}
+		});
+	}
+
+	private void addAccountDialog() {
+		JDialog loginDialog = new JDialog();
+		loginDialog.setTitle("Add an account");
+		loginDialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+
+		JPanel sections = new JPanel();
+		sections.setLayout(new BoxLayout(sections, BoxLayout.Y_AXIS));
+
+		JPanel top = new JPanel();
+		top.setLayout(new BoxLayout(top, BoxLayout.Y_AXIS));
+		top.add(new JLabel("Please enter your phone number in international format:"));
+		top.add(new JTextField("+49123773212"));
+
+		sections.add(top);
+		sections.add(Box.createVerticalStrut(5));
+		sections.add(new JSeparator(SwingConstants.HORIZONTAL));
+
+		JPanel middle = new JPanel();
+		middle.setLayout(new BoxLayout(middle, BoxLayout.Y_AXIS));
+		middle.add(new JLabel("Telegram sent you a code. Enter it here:"));
+		middle.add(new JTextField());
+		middle.setEnabled(false);
+
+		sections.add(middle);
+		sections.add(Box.createVerticalStrut(5));
+		sections.add(new JSeparator(SwingConstants.HORIZONTAL));
+
+		loginDialog.add(sections);
+		loginDialog.setVisible(true);
+	}
+}

src/main/java/de/fabianonline/telegram_backup/Utils.java

@@ -0,0 +1,19 @@
+package de.fabianonline.telegram_backup;
+
+import java.io.File;
+import java.util.List;
+import java.util.Vector;
+
+public class Utils {
+	static Vector<String> getAccounts() {
+		Vector<String> accounts = new Vector<String>();
+		File folder = new File(Config.FILE_BASE);
+		File[] files = folder.listFiles();
+		for (File f : files) {
+			if (f.isDirectory() && f.getName().startsWith("+")) {
+				accounts.add(f.getName());
+			}
+		}
+		return accounts;
+	}
+}

src/main/main.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/java" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>