closes #2: PDF-Dokument wird nun bei einer Ausleihe automatisch erzeugt,

in einem tmp-Ordner erstellt und geöffnet.
Wenn das Programm beendet wird, wird der tmp-Ordner geleert.

.classpath

@@ -6,5 +6,6 @@
 	<classpathentry kind="lib" path="lib/mysql-connector-java-5.1.32-bin.jar"/>
 	<classpathentry kind="lib" path="lib/sqlite-jdbc-3.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/swingx-all-1.6.4.jar"/>
+	<classpathentry kind="lib" path="lib/pdfbox-app-1.8.7.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

README.md

@@ -13,3 +13,6 @@ This software uses the Oracle MySQL Java Connector (http://dev.mysql.com/downloa
 ### Tango Desktop Project
 This software also uses icons provided by the Tango Desktop Project (http://tango.freedesktop.org/).
 License will follow!
+
+### Apache PDFBox
+This software uses the Apache PDFBox (https://pdfbox.apache.org/) package which is published under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0);

src/de/katho/kBorrow/Settings.java

@@ -108,4 +108,8 @@ public class Settings {
 			e.printStackTrace();
 		}		
 	}
+	
+	public String getSettingsDir(){
+		return filePath;
+	}
 }

src/de/katho/kBorrow/Util.java

@@ -1,7 +1,9 @@
 package de.katho.kBorrow;
+
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.Random;
 
 public class Util {
 	public static String getCurrentDate(){
@@ -10,4 +12,17 @@ public class Util {
 		
 		return dateFormat.format(date);
 	}
+	
+	public static String generateRandomString(int length) {
+		char[] chars = "abcdefghijklmnopqrstuvwxyz".toCharArray();
+		StringBuilder sb = new StringBuilder();
+		Random random = new Random();
+		
+		for (int i = 0; i < length; i++) {
+		    char c = chars[random.nextInt(chars.length)];
+		    sb.append(c);
+		}
+	
+		return sb.toString();
+	  }
 }

src/de/katho/kBorrow/controller/NewLendingController.java

@@ -1,12 +1,28 @@
 package de.katho.kBorrow.controller;
 
+import org.apache.pdfbox.exceptions.COSVisitorException;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
+import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType1Font;
+
+import java.awt.Desktop;
+import java.io.File;
+import java.io.IOException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 
+import de.katho.kBorrow.Settings;
+import de.katho.kBorrow.Util;
+import de.katho.kBorrow.data.KArticle;
 import de.katho.kBorrow.data.KLender;
+import de.katho.kBorrow.data.KLending;
+import de.katho.kBorrow.data.KUser;
 import de.katho.kBorrow.db.DbConnector;
 import de.katho.kBorrow.models.ArticleTableModel;
 import de.katho.kBorrow.models.FreeArticleTableModel;
@@ -21,14 +37,16 @@ public class NewLendingController {
 	private FreeArticleTableModel freeArticleModel;
 	private LendingTableModel lendingTableModel;
 	private ArticleTableModel articleTableModel;
+	private Settings settings;
 	
-	public NewLendingController(DbConnector pDbCon, HashMap<String, Object> pModels){
+	public NewLendingController(DbConnector pDbCon, HashMap<String, Object> pModels, final Settings pSettings){
 		dbCon = pDbCon;
 		userListModel = (UserListModel)pModels.get("userlistmodel");
 		lenderModel = (LenderModel)pModels.get("lendermodel");
 		freeArticleModel = (FreeArticleTableModel)pModels.get("freearticletablemodel");
 		articleTableModel = (ArticleTableModel)pModels.get("articletablemodel");
 		lendingTableModel = (LendingTableModel)pModels.get("lendingtablemodel");
+		settings = pSettings;
 	}
 	
 	/**
@@ -62,16 +80,114 @@ public class NewLendingController {
 			KLender lender = lenders.get(0);
 			int uId = userListModel.getIdByFullname(pUsername);
 			DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
-			int result = dbCon.createNewLending(pArtId, uId, lender.getId(), pStartDate, dateFormat.format(pEstEndDate));
 			
-			if(result == 0){
+			int[] result = dbCon.createNewLending(pArtId, uId, lender.getId(), pStartDate, dateFormat.format(pEstEndDate));
+			
+			if(result[0] == 0){
 				freeArticleModel.updateModel();
 				articleTableModel.updateModel();
 				lendingTableModel.updateModel();
-				return result;
+				createPdfFile(result[1]);
+				
+				return result[0];
 			}
-			else return result;
+			else return result[0];
 		}
 		return 4;
 	}
+	
+	
+	private void createPdfFile(int pLendingId){
+		KLending lending = lendingTableModel.getLendingById(pLendingId);
+		KArticle article = articleTableModel.getArticleById(lending.getArticleId());
+		KUser user = userListModel.getUserById(lending.getUserId());
+		KLender lender = lenderModel.getLenderById(lending.getLenderId());		
+		
+		PDDocument doc = new PDDocument();
+		PDPage page = new PDPage(PDPage.PAGE_SIZE_A4);
+		PDRectangle rect = page.getMediaBox();
+		doc.addPage(page);
+		
+		PDFont fontNormal = PDType1Font.HELVETICA;
+		PDFont fontBold = PDType1Font.HELVETICA_BOLD;
+		
+		String[] text = {
+							"Artikel: ",
+							"Verliehen von: ",
+							"Ausgeliehen an: ",
+							"Start der Ausleihe: ",
+							"Voraussichtliche R<>ckgabe: "
+						};
+		String[] vars = {
+							article.getName(),
+							user.getName()+" "+user.getSurname(),
+							lender.getName()+" "+lender.getSurname()+" ("+lender.getStudentnumber()+")",
+							lending.getStartDate(),
+							lending.getExpectedEndDate()
+						};
+		try {
+			File file = createRandomFile();
+			
+			PDPageContentStream cos = new PDPageContentStream(doc, page);
+			
+			cos.beginText();
+			cos.moveTextPositionByAmount(100, rect.getHeight() - 100);
+			cos.setFont(fontBold, 16);
+			cos.drawString("Ausleihe #"+lending.getId());
+			cos.endText();
+			
+			int i = 0;
+			
+			while (i < text.length){
+				cos.beginText();
+				cos.moveTextPositionByAmount(100, rect.getHeight() - 25*(i+2) - 100 );
+				cos.setFont(fontBold, 12);
+				cos.drawString(text[i]);
+				cos.moveTextPositionByAmount(rect.getWidth() / 2 - 100, 0);
+				cos.setFont(fontNormal, 12);
+				cos.drawString(vars[i]);
+				cos.endText();
+				i++;
+			}
+			
+			i = i+2;
+			cos.setLineWidth(1);
+			cos.addLine(100, rect.getHeight() - 25*(i+2) - 100, 300, rect.getHeight() - 25*(i+2) - 100);
+			cos.closeAndStroke();
+			
+			i++;
+			
+			cos.beginText();
+			cos.moveTextPositionByAmount(100, rect.getHeight() - 25*(i+2) - 100);
+			cos.setFont(fontNormal, 12);
+			cos.drawString("Unterschrift "+lender.getName()+" "+lender.getSurname());
+			cos.endText();			
+		
+			cos.close();
+			doc.save(file);
+			doc.close();
+			
+			if(Desktop.isDesktopSupported()){
+				Desktop desktop = Desktop.getDesktop();
+				if(desktop.isSupported(Desktop.Action.OPEN)){
+					desktop.open(file);
+				}
+			}
+		} catch (IOException | COSVisitorException e) {
+			e.printStackTrace();
+		}
+	}
+	
+	private File createRandomFile() throws IOException{
+		File dir = new File(settings.getSettingsDir()+"/tmp");
+		File file = new File(settings.getSettingsDir()+"/tmp/"+Util.generateRandomString(8)+".pdf");
+		if(!dir.isDirectory()) dir.mkdir();
+		if(!file.isFile()) file.createNewFile();
+		else {
+			file.delete();
+			file.createNewFile();
+		}
+		
+		return file;
+	}
 }

src/de/katho/kBorrow/controller/RewriteToNewUserController.java

@@ -0,0 +1,16 @@
+package de.katho.kBorrow.controller;
+
+import de.katho.kBorrow.db.DbConnector;
+
+public class RewriteToNewUserController {
+
+	private DbConnector dbCon;
+	
+	public RewriteToNewUserController(DbConnector pDbCon){
+		dbCon = pDbCon;
+	}
+	
+	public boolean rewriteToNewUser(int pOldId, int pNewId){
+		return dbCon.rewriteToNewUser(pOldId, pNewId);		
+	}
+}

src/de/katho/kBorrow/controller/UserController.java

@@ -1,8 +1,12 @@
 package de.katho.kBorrow.controller;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 
+import de.katho.kBorrow.data.KLending;
 import de.katho.kBorrow.db.DbConnector;
+import de.katho.kBorrow.gui.RewriteToNewUserDialog;
+import de.katho.kBorrow.models.LendingTableModel;
 import de.katho.kBorrow.models.UserTableModel;
 import de.katho.kBorrow.models.UserListModel;
 
@@ -11,11 +15,13 @@ public class UserController {
 	private DbConnector dbCon;
 	private UserTableModel userTableModel;
 	private UserListModel userListModel;
+	private LendingTableModel lendingTableModel;
 	
 	public UserController(DbConnector pDbCon, HashMap<String, Object> pModels) {
 		dbCon = pDbCon;
 		userTableModel = (UserTableModel)pModels.get("usertablemodel");
 		userListModel = (UserListModel)pModels.get("userlistmodel");
+		lendingTableModel = (LendingTableModel)pModels.get("lendingtablemodel");
 	}
 
 	public int createUser(String pName, String pSurname){
@@ -38,16 +44,39 @@ public class UserController {
 		return status;
 	}
 	
-	public boolean deleteUser(int pRow){
+	public boolean deleteUser(int pRow) {
 		int id = userTableModel.getUserByRow(pRow).getId();
 		
-		if(dbCon.deleteUser(id)){
-			userTableModel.updateModel();
-			userListModel.updateModel();
-			
-			return true;
+		boolean isOccupied = false;
+		ArrayList<KLending> lendingList = lendingTableModel.getLendingList();
+		for(KLending elem : lendingList){
+			if(elem.getUserId() == id){
+				isOccupied = true;
+				break;
+			}
 		}
-		return false;
-	}
 		
+		if(isOccupied){
+			RewriteToNewUserDialog dialog = new RewriteToNewUserDialog(id, dbCon);
+			if(dialog.getResult() == 0){
+				lendingTableModel.updateModel();
+				userTableModel.updateModel();
+				userListModel.updateModel();
+				
+				return deleteUser(pRow);
+			}
+			else return false;
+				
+		}
+		else {
+			if(dbCon.deleteUser(id)){
+				userTableModel.updateModel();
+				userListModel.updateModel();
+				lendingTableModel.updateModel();
+			
+				return true;
+			}
+			return false;
+		}
+	}
 }

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

@@ -19,9 +19,11 @@ public interface DbConnector {
 	public int editArticle(int pId, String pName, String pDesc);
 	public ArrayList<KArticle> getFreeArticleList();
 	public ArrayList<KLender> getLenderList();
-	public int createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate);
+	public int[] createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate);
 	public int createNewLender(String pLName, String pLSurname, String pLSN);
 	public ArrayList<KLending> getActiveLendingList();
 	public int returnLending(int lendingId, int artId, String string);
 	public ArrayList<KLending> getLendingListForArticle(int pArtId);
+	public ArrayList<KUser> getRewriteUserList(int id);
+	public boolean rewriteToNewUser(int pOldId, int pNewId);
 }

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

@@ -75,10 +75,10 @@ public class SqlConnector implements DbConnector{
 	}
 
 	@Override
-	public int createNewLending(int pArtId, int pUId, int pLId,
+	public int[] createNewLending(int pArtId, int pUId, int pLId,
 			String pStartDate, String pEstEndDate) {
 		// TODO Auto-generated method stub
-		return 0;
+		return new int[2];
 	}
 
 	@Override
@@ -105,4 +105,16 @@ public class SqlConnector implements DbConnector{
 		return null;
 	}
 
+	@Override
+	public ArrayList<KUser> getRewriteUserList(int id) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public boolean rewriteToNewUser(int pOldId, int pNewId) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+	
 }

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

@@ -206,6 +206,26 @@ public class SqliteConnector implements DbConnector {
 		}
 	}
 
+	public ArrayList<KUser> getRewriteUserList(int id) {
+		ArrayList<KUser> userArr = new ArrayList<KUser>();
+		
+		try {
+			Statement st = this.connection.createStatement();
+			String query = "SELECT id, name, surname FROM user WHERE id != "+id;
+			ResultSet rs = st.executeQuery(query);
+			
+			while (rs.next()){
+				userArr.add(new KUser(rs.getInt("id"), rs.getString("name"), rs.getString("surname")));
+			}
+			
+			return userArr;
+		} 
+		catch (SQLException e){
+			e.printStackTrace();
+			return null;
+		}
+	}
+
 	public ArrayList<KArticle> getArticleList() {
 		ArrayList<KArticle> artArr = new ArrayList<KArticle>();
 		
@@ -410,41 +430,55 @@ public class SqliteConnector implements DbConnector {
 	}
 
 	/**
+	 * Erstellt eine neue Ausleihe.
 	 * 
-	 * @return	Status-Code:
-	 * 			0:		Erfolg
-	 * 			1:		SQL-Fehler
+	 * 
+	 * @return	R<>ckgabewert ist ein Array mit zwei Werten.
+	 * 
+	 * 			Index		0:	Enth<74>lt den R<>ckgabestatus:
+	 * 			- Status 	0:	Alles in Ordnung
+	 * 			- Status	1:	SQL-Fehler
+	 * 
+	 * 			Index 1: Enth<74>lt die ID der gerade erzeugten Tabellenzeile
 	 */
-	public int createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate) {
+	public int[] createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate) {
+		int[] result = new int[2];
+		
 		try{
 			Statement st = connection.createStatement();
 			String query = "INSERT INTO lending (article_id, user_id, lender_id, start_date, expected_end_date ) "
-					+ "VALUES ("+pArtId+", "+pUId+", "+pLId+", '"+pStartDate+"', '"+pEstEndDate+"');"
+							+ "VALUES ("+pArtId+", "+pUId+", "+pLId+", '"+pStartDate+"', '"+pEstEndDate+"');"
 							+ "UPDATE article SET is_free = 0 WHERE id = "+pArtId+";";
 			
 			st.executeUpdate(query);
 			
-			return 0;
+			query = "SELECT id FROM lending ORDER BY id DESC LIMIT 1;";
+			
+			ResultSet rs = st.executeQuery(query);
+			
+			result[1] = rs.getInt("id");
+			result[0] = 0;
+			
+			return result;
 		}
 		catch(SQLException e){
 			e.printStackTrace();
-			return 1;
+			return new int[]{1,0};
 		}
 	}
 
-	public int createNewLender(String pLName, String pLSurname, String pLSN) {
-		try{
+	public boolean rewriteToNewUser(int pOldId, int pNewId) {
+		try {
 			Statement st = connection.createStatement();
-			String query = "INSERT into lender (name, surname, student_number) "
-							+ "VALUES ('"+pLName+"', '"+pLSurname+"', '"+pLSN+"')";
+			String query = "UPDATE lending SET user_id = '"+pNewId+"' WHERE user_id = '"+pOldId+"'";
 			
 			st.executeUpdate(query);
 			
-			return 0;
+			return true;
 		}
 		catch(SQLException e){
 			e.printStackTrace();
-			return 1;
+			return false;
 		}
 	}
 
@@ -465,4 +499,20 @@ public class SqliteConnector implements DbConnector {
 		
 	}
 
+	public int createNewLender(String pLName, String pLSurname, String pLSN) {
+		try{
+			Statement st = connection.createStatement();
+			String query = "INSERT into lender (name, surname, student_number) "
+							+ "VALUES ('"+pLName+"', '"+pLSurname+"', '"+pLSN+"')";
+			
+			st.executeUpdate(query);
+			
+			return 0;
+		}
+		catch(SQLException e){
+			e.printStackTrace();
+			return 1;
+		}
+	}
+	
 }

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

@@ -61,7 +61,7 @@ public class ArticleInspectFrame extends JFrame {
 				
 		lblNewLabel_1.setBounds(10, 21, 100, 20);
 		lblNewLabel_2.setBounds(10, 47, 100, 20);
-		lblArticleName.setBounds(120, 21, 100, 20);
+		lblArticleName.setBounds(120, 21, 250, 20);
 		taArticleDesc.setBounds(120, 45, 250, 78);
 		taArticleDesc.setEditable(false);
 			

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

@@ -9,7 +9,9 @@ import org.jdesktop.swingx.JXErrorPane;
 import org.jdesktop.swingx.error.ErrorInfo;
 
 
+
 import java.awt.BorderLayout;
+import java.io.File;
 import java.io.IOException;
 import java.sql.SQLException;
 import java.util.HashMap;
@@ -53,6 +55,16 @@ public class MainWindow {
 		frame.setBounds(100, 100, 600, 500);
 		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		
+		// Delete all files in tmp-dir
+		Runtime.getRuntime().addShutdownHook(new Thread(){
+			public void run(){
+				File dir = new File(set.getSettingsDir()+"/tmp/");
+				if(dir.isDirectory()){
+					for(File file : dir.listFiles()) file.delete();
+				}
+			}
+		});
+		
 		try {
 			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 			
@@ -73,7 +85,7 @@ public class MainWindow {
 			
 			tabbedPane = new JTabbedPane(JTabbedPane.TOP);
 			frame.getContentPane().add(this.tabbedPane, BorderLayout.CENTER);
-			tabbedPane.addTab("Neue Ausleihe", new NewLendingPanel(this.dbCon, models));
+			tabbedPane.addTab("Neue Ausleihe", new NewLendingPanel(this.dbCon, models, set));
 			tabbedPane.addTab("Ausleihen verwalten", new ManageLendingsPanel(this.dbCon, models));
 			tabbedPane.addTab("Artikel verwalten", new ArticlePanel(this.dbCon, models));
 			tabbedPane.addTab("Benutzer verwalten", new UserPanel(this.dbCon, models));

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

@@ -28,6 +28,7 @@ import javax.swing.border.TitledBorder;
 import org.jdesktop.swingx.JXDatePicker;
 import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;
 
+import de.katho.kBorrow.Settings;
 import de.katho.kBorrow.Util;
 import de.katho.kBorrow.controller.NewLendingController;
 import de.katho.kBorrow.converter.LenderNameConverter;
@@ -70,7 +71,7 @@ public class NewLendingPanel extends JPanel implements ActionListener, FocusList
 	 * @param dbCon 
 	 * @throws IOException 
 	 */
-	public NewLendingPanel(final DbConnector dbCon, HashMap<String, Object> pModel) throws IOException {
+	public NewLendingPanel(final DbConnector dbCon, HashMap<String, Object> pModel, final Settings pSettings) throws IOException {
 		setLayout(null);
 		articleId = -1;
 		
@@ -78,7 +79,7 @@ public class NewLendingPanel extends JPanel implements ActionListener, FocusList
 		freeArticleTableModel = (FreeArticleTableModel)pModel.get("freearticletablemodel");
 		userListModel = (UserListModel)pModel.get("userlistmodel");
 		lenderModel = (LenderModel)pModel.get("lendermodel");
-		newLendingController = new NewLendingController(dbCon, pModel);
+		newLendingController = new NewLendingController(dbCon, pModel, pSettings);
 		
 		JTable freeArticleTable = new JTable(freeArticleTableModel);
 		freeArticleTable.setRowHeight(30);

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

@@ -0,0 +1,105 @@
+package de.katho.kBorrow.gui;
+
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+import javax.swing.JComboBox;
+
+import de.katho.kBorrow.controller.RewriteToNewUserController;
+import de.katho.kBorrow.db.DbConnector;
+import de.katho.kBorrow.models.RewriteUserModel;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.JLabel;
+
+public class RewriteToNewUserDialog extends JDialog implements ActionListener {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -6002073589194176368L;
+	private final JPanel contentPanel = new JPanel();
+	
+	private JButton okButton;
+	private JButton cancelButton;
+	private RewriteUserModel rwusermodel;
+	private RewriteToNewUserController rwcontroller;
+	
+	private int result = 1;
+	private int oldId;
+
+	/**
+	 * Create the dialog.
+	 */
+	public RewriteToNewUserDialog(int pOldId, DbConnector pDbCon) {
+		setTitle("Ausleihe umschreiben");
+		setModal(true);
+		setModalityType(ModalityType.APPLICATION_MODAL);
+		setResizable(false);
+		setBounds(100, 100, 229, 156);
+		setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+		JPanel contentPane = new JPanel();
+		setContentPane(contentPane);
+		contentPane.setLayout(new BorderLayout());
+		oldId = pOldId;
+		rwusermodel = new RewriteUserModel(pDbCon, oldId);
+		rwcontroller = new RewriteToNewUserController(pDbCon);
+		
+		// Content Panel
+		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
+		contentPanel.setLayout(null);
+		
+		JComboBox<String> comboBox = new JComboBox<String>(rwusermodel);
+		comboBox.setBounds(11, 52, 200, 30);
+		
+		contentPanel.add(comboBox);
+		
+		// Button Panel
+		JPanel buttonPane = new JPanel();
+		buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
+		
+		okButton = new JButton("OK");
+		cancelButton = new JButton("Cancel");
+		okButton.addActionListener(this);
+		cancelButton.addActionListener(this);
+		
+		buttonPane.add(okButton);
+		buttonPane.add(cancelButton);
+		
+		contentPane.add(buttonPane, BorderLayout.SOUTH);
+		contentPane.add(contentPanel, BorderLayout.CENTER);
+		
+		JLabel lblBenutzerAuswhlenAuf = new JLabel("<html>Benutzer ausw\u00E4hlen, auf den <br /> Ausleihen umgeschrieben werden sollen.</html>");
+		lblBenutzerAuswhlenAuf.setBounds(11, 11, 200, 30);
+		contentPanel.add(lblBenutzerAuswhlenAuf);
+		setVisible(true);
+	}
+
+	public void actionPerformed(ActionEvent e) {
+		
+		// OK Button pressed
+		if(e.getSource() == okButton ) { 
+			int newId = rwusermodel.getIdByFullname(rwusermodel.getSelectedItem());
+			
+			if(rwcontroller.rewriteToNewUser(oldId, newId)){
+				result = 0;
+			}
+			dispose();
+		}
+		
+		// Cancel Button pressed
+		if(e.getSource() == cancelButton ) {
+			dispose();
+		}
+	}
+
+	public int getResult(){
+		return result;
+	}
+}
+

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

@@ -205,6 +205,10 @@ public class UserPanel extends JPanel implements ActionListener, KeyListener {
 		}
 	}
 
+	public void setStatusLabel(String pText){
+		lblUserStatus.setText(pText);
+	}
+	
 	@Override
 	public void keyPressed(KeyEvent pKeyPress) {
 		if(pKeyPress.getKeyCode() == KeyEvent.VK_ENTER) saveButtonPressed();		

src/de/katho/kBorrow/listener/UserDeleteTableButton.java

@@ -30,7 +30,9 @@ public class UserDeleteTableButton extends TableButton {
 				
 				int row = pTable.getSelectedRow();
 
-				pController.deleteUser(row);
+				if(pController.deleteUser(row)) pPanel.setStatusLabel("Benutzer erfolgreich gel<65>scht.");
+				else pPanel.setStatusLabel("Beuntzer konnte nicht gel<65>scht werden.");
+				
 				pPanel.resetModeEditUser();
 			}
 		});

src/de/katho/kBorrow/models/LendingTableModel.java

@@ -79,11 +79,10 @@ public class LendingTableModel extends AbstractTableModel {
 		}
 	}
 	
-	// Die Funktion muss differenzierter werden
-		public boolean isCellEditable(int row, int col){
-			if (col > 4) return true;
-			return false;
-		}
+	public boolean isCellEditable(int row, int col){
+		if (col > 4) return true;
+		return false;
+	}
 	
 	public void updateModel(){
 		data = dbCon.getActiveLendingList();
@@ -101,4 +100,8 @@ public class LendingTableModel extends AbstractTableModel {
 		return null;
 	}
 	
+	public ArrayList<KLending> getLendingList(){
+		return data;
+	}
+
 }

src/de/katho/kBorrow/models/RewriteUserModel.java

@@ -0,0 +1,27 @@
+package de.katho.kBorrow.models;
+
+import de.katho.kBorrow.db.DbConnector;
+
+public class RewriteUserModel extends UserListModel {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -78927566018961799L;
+	private int id;
+
+	public RewriteUserModel(DbConnector pDbCon, int pId) {
+		super(pDbCon);
+		id = pId;
+		updateModel();
+	}
+	
+	public void updateModel(){
+		data = dbCon.getRewriteUserList(id);
+		
+		if(data.size() > 0) setSelectedItem(data.get(0).getName()+" "+data.get(0).getSurname());
+		
+		fireIntervalAdded(this, 0, data.size()-1);
+	}
+
+}

src/de/katho/kBorrow/models/UserListModel.java

@@ -14,9 +14,9 @@ public class UserListModel extends AbstractListModel<String> implements ComboBox
 	 * 
 	 */
 	private static final long serialVersionUID = -8653066929273274524L;
-	private DbConnector dbCon;
-	private ArrayList<KUser> data;
-	private String selectedItem = null;
+	protected DbConnector dbCon;
+	protected ArrayList<KUser> data;
+	protected String selectedItem = null;
 	
 	public UserListModel(DbConnector pDbCon){		
 		super();
@@ -72,6 +72,13 @@ public class UserListModel extends AbstractListModel<String> implements ComboBox
 		return -1;
 	}
 	
+	public KUser getUserById(int pId){
+		for (KUser elem : data){
+			if(elem.getId() == pId) return elem;
+		}
+		return null;
+	}
+	
 	
 }