Implemented a function to insert new users into the sqlite database.

Started to implement and design the GUI.

src/de/katho/kBorrow/Main.java

@@ -1,6 +1,9 @@
 package de.katho.kBorrow;
 
-import java.awt.EventQueue;
+import java.io.IOException;
+import java.sql.SQLException;
+
+import javax.swing.UnsupportedLookAndFeelException;
 
 import de.katho.kBorrow.db.DbConnector;
 import de.katho.kBorrow.db.SqlConnector;
@@ -9,6 +12,7 @@ import de.katho.kBorrow.gui.MainWindow;
 
 public class Main {
 	private DbConnector dbCon;
+	private Settings set;
 	
 	public static void main(String[] args){
 		new Main();
@@ -18,24 +22,41 @@ public class Main {
 		/*
 		 * Create the apps main window.
 		 */
-		Settings set = new Settings();
+		this.set = new Settings();
 
 		if(set.getProperty("dBType").equals("sqlite")){
-			this.dbCon = new SqliteConnector(set.getProperty("sqlitePath"));
+			try {
+				this.dbCon = new SqliteConnector(set.getProperty("sqlitePath"));
+			} catch (ClassNotFoundException | SQLException | IOException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+				System.exit(1);
+			}
+			
 		}
 		else if(set.getProperty("dBType").equals("mysql")) {
 			this.dbCon = new SqlConnector();
 		}
+		try {
+			MainWindow window = new MainWindow(this);
+		} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
 		
-		EventQueue.invokeLater(new Runnable() {
+		/*EventQueue.invokeLater(new Runnable() {
 			public void run() {
 				try {
-					MainWindow window = new MainWindow();
+					MainWindow window = new MainWindow((Main)this);
 					
 				} catch (Exception e) {
 					e.printStackTrace();
 				}
 			}
-		});
+		});*/
+	}
+
+	public boolean userSave(String pName, String pSurname) {
+		return this.dbCon.createUser(pName, pSurname);
 	}
 }

src/de/katho/kBorrow/db/DbConnector.java

@@ -2,4 +2,5 @@ package de.katho.kBorrow.db;
 
 public interface DbConnector {
 
+	public boolean createUser(String pName, String pSurname);
 }

src/de/katho/kBorrow/db/SqlConnector.java

@@ -2,4 +2,10 @@ package de.katho.kBorrow.db;
 
 public class SqlConnector implements DbConnector{
 
+	@Override
+	public boolean createUser(String pName, String pSurname) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+	
 }

src/de/katho/kBorrow/db/SqliteConnector.java

@@ -26,46 +26,35 @@ public class SqliteConnector implements DbConnector {
 	 * @param pHandle This string contains the path to database file the connector has to use
 	 * @throws FileNotFoundException, SQLException
 	 */
-	public SqliteConnector(String pHandle) {
+	public SqliteConnector(String pHandle) throws ClassNotFoundException, SQLException, IOException {
 			
 		this.dbHandle = pHandle;
 		this.sqlScheme = this.loadScheme();
 		
-		try {
+		File dbFile = new File(this.dbHandle);
-			File dbFile = new File(this.dbHandle);
+		Class.forName("org.sqlite.JDBC");
-			Class.forName("org.sqlite.JDBC");
 			
-			if(dbFile.exists()){
+		if(dbFile.exists()){
-				if(dbFile.isFile()){
+			if(dbFile.isFile()){
-					this.connection = DriverManager.getConnection("jdbc:sqlite:"+this.dbHandle);
+				this.connection = DriverManager.getConnection("jdbc:sqlite:"+this.dbHandle);
 										
-					if(!this.isValidDB(this.sqlScheme, this.connection)){
+				if(!this.isValidDB(this.sqlScheme, this.connection)){
-						throw new SQLException("The given db file doesn't match the required sql schema.");
+					throw new SQLException("The given db file doesn't match the required sql schema.");
-					}
-					else {
-						System.out.println("Db Scheme looks fine to me.");
-					}
 				}
 				else {
-					throw new IOException("Provided db handle may not be a file but a directory or a symlink!");
+					System.out.println("Db Scheme looks fine to me.");
 				}
 			}
 			else {
-				System.out.println("There is no db file yet... creating a new db.");
+				throw new IOException("Provided db handle may not be a file but a directory or a symlink!");
-				dbFile.createNewFile();
-				
-				this.connection = DriverManager.getConnection("jdbc:sqlite:"+this.dbHandle);
-				this.initNewDB(this.sqlScheme, this.connection);
 			}
 		}
-		catch (ClassNotFoundException e){
+		else {
-			e.printStackTrace();
+			System.out.println("There is no db file yet... creating a new db.");
-		} catch (SQLException e) {
+			dbFile.createNewFile();
-			// TODO Auto-generated catch block
+			
-			e.printStackTrace();
+			this.connection = DriverManager.getConnection("jdbc:sqlite:"+this.dbHandle);
-		} catch (IOException e) {
+			this.initNewDB(this.sqlScheme, this.connection);
-			// TODO Auto-generated catch block
-			e.printStackTrace();
 		}
 	}
 	
@@ -196,4 +185,19 @@ public class SqliteConnector implements DbConnector {
 		return text.toString();
 	}
 	
+	public boolean createUser(String pName, String pSurname){
+		try {
+			Statement st = this.connection.createStatement();
+			String query = "INSERT INTO user (name, surname) VALUES ('"+pName+"', '"+pSurname+"')";
+			
+			st.executeUpdate(query);
+			
+			return true;
+			
+		} catch (SQLException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+	
 }

src/de/katho/kBorrow/gui/MainWindow.java

@@ -2,48 +2,180 @@ package de.katho.kBorrow.gui;
 
 import javax.swing.JFrame;
 import javax.swing.JTabbedPane;
+import javax.swing.UIManager;
+import javax.swing.UnsupportedLookAndFeelException;
+
 import java.awt.BorderLayout;
+
+import javax.swing.JOptionPane;
 import javax.swing.JPanel;
+import javax.swing.JScrollPane;
 import javax.swing.JTextField;
 
-public class MainWindow {
+
+import javax.swing.BoxLayout;
+
+
+import javax.swing.border.TitledBorder;
+import javax.swing.JLabel;
+import javax.swing.JButton;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+
+
+
+import de.katho.kBorrow.Main;
+
+import javax.swing.JTable;
+import javax.swing.ScrollPaneConstants;
+import java.awt.GridBagLayout;
+import java.awt.GridBagConstraints;
+import java.awt.FlowLayout;
+import java.awt.Component;
+import java.awt.GridLayout;
+
+public class MainWindow implements ActionListener {
+
+	private Main mainObject;
+	private boolean userModeSave = true;
 	
 	private JFrame frame;
 	private JTextField textField;
 	private JTextField textField_1;
+	private JTabbedPane tabbedPane;
+	private JPanel panelUserEdit;
+	private JLabel lblUserName;
+	private JLabel lblUserSurname;
+	private JTextField textFieldUserName;
+	private JTextField textFieldUserSurname;
+	private JButton btnUserSave;
+	private JLabel lblUserStatus;
+	private JTable userTable;
+	private JScrollPane scrollUserList;
+	private JPanel panelUserList;
 
 	/**
 	 * Create the application.
+	 * @throws UnsupportedLookAndFeelException 
+	 * @throws IllegalAccessException 
+	 * @throws InstantiationException 
+	 * @throws ClassNotFoundException 
 	 */
-	public MainWindow() {
+	public MainWindow(Main pMainObject) throws ClassNotFoundException, InstantiationException, IllegalAccessException, UnsupportedLookAndFeelException {
+		this.mainObject = pMainObject;
 		initialize();
 		this.frame.setVisible(true);
 	}
 
 	/**
 	 * Initialize the contents of the frame.
+	 * @throws UnsupportedLookAndFeelException 
+	 * @throws IllegalAccessException 
+	 * @throws InstantiationException 
+	 * @throws ClassNotFoundException 
 	 */
-	private void initialize() {
+	private void initialize() throws ClassNotFoundException, InstantiationException, IllegalAccessException, UnsupportedLookAndFeelException {
-		frame = new JFrame();
+		this.frame = new JFrame();
-		frame.setBounds(100, 100, 450, 300);
+		frame.setResizable(false);
-		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.frame.setBounds(100, 100, 600, 500);
+		this.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 		
-		JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.TOP);
+		this.tabbedPane = new JTabbedPane(JTabbedPane.TOP);
-		frame.getContentPane().add(tabbedPane, BorderLayout.CENTER);
+		this.frame.getContentPane().add(tabbedPane, BorderLayout.CENTER);
 		
 		JPanel panel = new JPanel();
-		tabbedPane.addTab("New tab", null, panel, null);
+		this.tabbedPane.addTab("New tab", null, panel, null);
 		
-		textField_1 = new JTextField();
+		this.textField_1 = new JTextField();
-		panel.add(textField_1);
+		panel.add(this.textField_1);
-		textField_1.setColumns(10);
+		this.textField_1.setColumns(10);
 		
-		textField = new JTextField();
+		this.textField = new JTextField();
-		panel.add(textField);
+		panel.add(this.textField);
-		textField.setColumns(10);
+		this.textField.setColumns(10);
 		
-		JPanel panel_1 = new JPanel();
+		this.initUserTab();
-		tabbedPane.addTab("New tab", null, panel_1, null);
 	}
 	
+	private void initUserTab(){
+		JPanel panelUser = new JPanel();
+		this.tabbedPane.addTab("Benutzer verwalten", null, panelUser, null);
+		
+		panelUser.setLayout(null);
+		
+		panelUserList = new JPanel();
+		panelUserList.setBounds(0, 0, 589, 344);
+		panelUserList.setBorder(new TitledBorder(UIManager.getBorder("TitledBorder.border"), "Benutzerliste", TitledBorder.LEADING, TitledBorder.TOP, null, null));
+		panelUser.add(panelUserList);
+		panelUserList.setLayout(new BorderLayout(0, 0));
+		
+		userTable = new JTable(new UserTableModel());
+		userTable.setFillsViewportHeight(true);
+		
+		scrollUserList = new JScrollPane(userTable);
+		panelUserList.add(scrollUserList);
+		scrollUserList.setViewportBorder(null);
+		
+		// User-Edit-Pane
+		panelUserEdit = new JPanel();
+		panelUserEdit.setBounds(0, 355, 589, 87);
+		panelUserEdit.setBorder(new TitledBorder(UIManager.getBorder("TitledBorder.border"), "Benutzer hinzuf\u00FCgen / bearbeiten", TitledBorder.LEADING, TitledBorder.TOP, null, null));
+		panelUserEdit.setLayout(null);
+		panelUser.add(this.panelUserEdit);
+		
+		lblUserName = new JLabel("Vorname");
+		lblUserName.setBounds(6, 27, 55, 20);
+				
+		textFieldUserName = new JTextField();
+		textFieldUserName.setBounds(71, 27, 120, 20);
+		textFieldUserName.setColumns(10);
+		
+		lblUserSurname = new JLabel("Nachname");
+		lblUserSurname.setBounds(6, 58, 62, 20);
+		
+		textFieldUserSurname= new JTextField();
+		textFieldUserSurname.setBounds(70, 58, 121, 20);
+		textFieldUserSurname.setColumns(10);
+		
+		btnUserSave = new JButton("Speichern");
+		btnUserSave.addActionListener(this);
+		btnUserSave.setBounds(333, 58, 86, 20);
+		
+		lblUserStatus = new JLabel("");
+		lblUserStatus.setBounds(6, 89, 413, 14);
+		
+		
+		panelUserEdit.add(this.lblUserName);
+		panelUserEdit.add(this.textFieldUserName);
+		panelUserEdit.add(this.lblUserSurname);
+		panelUserEdit.add(this.textFieldUserSurname);
+		panelUserEdit.add(this.textFieldUserSurname);
+		panelUserEdit.add(this.btnUserSave);
+		panelUserEdit.add(this.lblUserStatus);
+		
+	}
+	
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if(e.getSource() == this.btnUserSave){
+			if(this.userModeSave){
+				if(this.mainObject.userSave(this.textFieldUserName.getText(), this.textFieldUserSurname.getText())){
+					this.lblUserStatus.setText("Benutzer \""+this.textFieldUserName.getText()+" "+this.textFieldUserSurname.getText()+"\" erfolgreich hinzugef<65>gt.");
+					this.textFieldUserName.setText("");
+					this.textFieldUserSurname.setText("");
+				}
+				else {
+					this.lblUserStatus.setText("Benutzer konnte nicht erstellt werden.");
+				}
+			}
+			else {
+				// Hier kommt die Funktion rein, die Benutzer editieren l<>sst.
+			}
+			
+		}
+		
+	}
 }

src/de/katho/kBorrow/gui/UserTableModel.java

@@ -0,0 +1,30 @@
+package de.katho.kBorrow.gui;
+
+import javax.swing.table.AbstractTableModel;
+
+public class UserTableModel extends AbstractTableModel {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 435829735305533728L;
+
+	@Override
+	public int getColumnCount() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	@Override
+	public int getRowCount() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	@Override
+	public Object getValueAt(int arg0, int arg1) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}