-Länge der Beschreibung von Images und Veranstaltungen wird geprüft und abgefangen um DB-Probleme zu verhindern

8 files changed, 226 insertions, 144 deletions

diff --git a/Dozentenmodul/bin/gui/image/CreateImageAllgemein_GUI.class b/Dozentenmodul/bin/gui/image/CreateImageAllgemein_GUI.class
index 3a0494c8..500bfac4 100644
--- a/Dozentenmodul/bin/gui/image/CreateImageAllgemein_GUI.class
+++ b/Dozentenmodul/bin/gui/image/CreateImageAllgemein_GUI.class
diff --git a/Dozentenmodul/bin/gui/image/EditImageAllgemein_GUI.class b/Dozentenmodul/bin/gui/image/EditImageAllgemein_GUI.class
index 511d3c78..bfe5671b 100644
--- a/Dozentenmodul/bin/gui/image/EditImageAllgemein_GUI.class
+++ b/Dozentenmodul/bin/gui/image/EditImageAllgemein_GUI.class
diff --git a/Dozentenmodul/bin/gui/lecture/CreateLectureAllgemein_GUI.class b/Dozentenmodul/bin/gui/lecture/CreateLectureAllgemein_GUI.class
index 9a615e4e..02f6877a 100644
--- a/Dozentenmodul/bin/gui/lecture/CreateLectureAllgemein_GUI.class
+++ b/Dozentenmodul/bin/gui/lecture/CreateLectureAllgemein_GUI.class
diff --git a/Dozentenmodul/bin/gui/lecture/EditLectureAllgemein_GUI.class b/Dozentenmodul/bin/gui/lecture/EditLectureAllgemein_GUI.class
index e63a5c79..f6f56ad0 100644
--- a/Dozentenmodul/bin/gui/lecture/EditLectureAllgemein_GUI.class
+++ b/Dozentenmodul/bin/gui/lecture/EditLectureAllgemein_GUI.class
diff --git a/Dozentenmodul/src/gui/image/CreateImageAllgemein_GUI.java b/Dozentenmodul/src/gui/image/CreateImageAllgemein_GUI.java
index 16b5765b..66fde489 100644
--- a/Dozentenmodul/src/gui/image/CreateImageAllgemein_GUI.java
+++ b/Dozentenmodul/src/gui/image/CreateImageAllgemein_GUI.java
@@ -51,8 +51,10 @@ public class CreateImageAllgemein_GUI extends JFrame {
 	private JTextField EMail;
 	private JTextField imagename;
 	private JTextArea textAreadesc;
-	boolean textfieldsHaveContent = false; // no textfield is empty
-	boolean nameIsOK = false; // imagename only contains letters
+	private boolean textfieldsHaveContent = false; // no textfield is empty
+	private boolean descriptionLengthOK = false; //description may not be longer than 254 chars
+	private boolean nameIsOK = false; // imagename only contains letters
+	private final int MAX_DESCRIPTION_LENGTH = 254;
 	private JTextArea txtrGebenSieBitte_1;
 
 	/**
@@ -227,6 +229,7 @@ public class CreateImageAllgemein_GUI extends JFrame {
 													// speichert die Eingabe,
 													// wenn man zurueck kommt
 													// zur Seite
+		
 		scrollPane.setViewportView(textAreadesc);
 
 		txtrGebenSieBitte_1 = new JTextArea();
@@ -307,7 +310,7 @@ public class CreateImageAllgemein_GUI extends JFrame {
 						// Prueft die Eingabe und leitet weiter zur naechsten
 						// Seite
 						if (checkContent() == true
-								&& checkNameIsLettersOrNumbers() == true) {
+								&& checkNameIsLettersOrNumbers() == true && descriptionLenghtOK() == true) {
 							// Schreibt die Daten in das Model
 							Image.image.setImagename(imagename.getText());
 							Image.image.setDesc(textAreadesc.getText());
@@ -431,4 +434,23 @@ public class CreateImageAllgemein_GUI extends JFrame {
 
 		return textfieldsHaveContent;
 	}// end checkContent
+	
+	public boolean descriptionLenghtOK(){
+		descriptionLengthOK=false;
+		
+		//max length is 254 chars
+		if (textAreadesc.getText().length() >= MAX_DESCRIPTION_LENGTH) {
+			descriptionLengthOK=false;
+			JOptionPane
+			.showMessageDialog(null,
+					"Die Beschreibung darf max 254 Zeichen enthalten. Aktuell enthält sie "+textAreadesc.getText().length()+".",
+					"Beschreibung zu umfangreich",
+					JOptionPane.INFORMATION_MESSAGE);
+		}else {
+			descriptionLengthOK=true;
+			
+		}
+		
+		return descriptionLengthOK;
+	}// enddescriptionLenghtOK()
 }// end Class
diff --git a/Dozentenmodul/src/gui/image/EditImageAllgemein_GUI.java b/Dozentenmodul/src/gui/image/EditImageAllgemein_GUI.java
index ccc32c4a..4c6e5629 100644
--- a/Dozentenmodul/src/gui/image/EditImageAllgemein_GUI.java
+++ b/Dozentenmodul/src/gui/image/EditImageAllgemein_GUI.java
@@ -65,8 +65,10 @@ public class EditImageAllgemein_GUI extends JFrame {
 	private JPanel buttonPane;
 	private JButton backButton;
 	private JButton okButton;
-	boolean textfieldsHaveContent = false; //no textfield is empty
-	boolean nameIsOK = false; //imagename only contains letters
+	private boolean textfieldsHaveContent = false; //no textfield is empty
+	private boolean nameIsOK = false; //imagename only contains letters
+	private boolean descriptionLengthOK = false; //description may not be longer than MAX_DESCRIPTION_LENGTH
+	private final int MAX_DESCRIPTION_LENGTH = 254;
 
 	/**
 	 * Create the dialog.
@@ -313,7 +315,7 @@ public class EditImageAllgemein_GUI extends JFrame {
 					public void actionPerformed(ActionEvent arg0) {
 						// Prueft die Eingabe und leitet weiter zur naechsten
 						// Seite
-						if (checkContent() == true && checkNameIsLettersOrNumbers() == true) {
+						if (checkContent() == true && checkNameIsLettersOrNumbers() == true && descriptionLenghtOK()== true) {
 
 							// setze Namen, egal ob alt oder nicht
 							Image.image.setImagename(imagename.getText());
@@ -507,6 +509,23 @@ public class EditImageAllgemein_GUI extends JFrame {
 		return textfieldsHaveContent;
 	}//end checkContent
 	
-	
+	public boolean descriptionLenghtOK(){
+		descriptionLengthOK=false;
+		
+		//max length is 254 chars
+		if (textAreadesc.getText().length() >= MAX_DESCRIPTION_LENGTH) {
+			descriptionLengthOK=false;
+			JOptionPane
+			.showMessageDialog(null,
+					"Die Beschreibung darf max 254 Zeichen enthalten. Aktuell enthält sie "+textAreadesc.getText().length()+".",
+					"Beschreibung zu umfangreich",
+					JOptionPane.INFORMATION_MESSAGE);
+		}else {
+			descriptionLengthOK=true;
+			
+		}
+		
+		return descriptionLengthOK;
+	}// enddescriptionLenghtOK()
 	
 }//end class
diff --git a/Dozentenmodul/src/gui/lecture/CreateLectureAllgemein_GUI.java b/Dozentenmodul/src/gui/lecture/CreateLectureAllgemein_GUI.java
index 4f101454..76bf3933 100644
--- a/Dozentenmodul/src/gui/lecture/CreateLectureAllgemein_GUI.java
+++ b/Dozentenmodul/src/gui/lecture/CreateLectureAllgemein_GUI.java
@@ -66,13 +66,16 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 	JDateChooser dateChooserstart;
 	Date startDate = new Date();
 	Date endDate;
-	
+	private boolean descriptionLengthOK = false; // description may not be
+													// longer than
+													// MAX_DESCRIPTION_LENGTH
+	private final int MAX_DESCRIPTION_LENGTH = 254;
+
 	int maxLifeTime = 180; // Anzahl Tage, die eine Veranstaltung in der Zukunft
 							// aktiv sein darf
 	boolean isDateOrderCorrect, isDateMaxLifeTimeCorrect,
 			isAllInformationReady = false;
 
-
 	/**
 	 * Create the dialog.
 	 */
@@ -274,13 +277,15 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		description.setBounds(0, 0, 4, 22);
 		scrollPane.add(description);
 		dateChooserstart = new JDateChooser();
-		dateChooserstart.addPropertyChangeListener(new PropertyChangeListener() {
-			public void propertyChange(PropertyChangeEvent arg0) {
-				endDate = addDays(dateChooserstart.getDate(), maxLifeTime); // Datum darf weiter als 6
-				// Monate in der Zukunft
-				// liegen
-			}
-		});
+		dateChooserstart
+				.addPropertyChangeListener(new PropertyChangeListener() {
+					public void propertyChange(PropertyChangeEvent arg0) {
+						endDate = addDays(dateChooserstart.getDate(),
+								maxLifeTime); // Datum darf weiter als 6
+						// Monate in der Zukunft
+						// liegen
+					}
+				});
 		if (Lecture.lecture.getStartdate() == null) {
 			// is not defined yet
 			dateChooserstart.setDate(startDate);
@@ -293,9 +298,12 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		panel_2.add(dateChooserstart);
 
 		dateChooserend = new JDateChooser();
-		endDate = addDays(dateChooserstart.getDate(), maxLifeTime); // Datum darf weiter als 6
-													// Monate in der Zukunft
-													// liegen
+		endDate = addDays(dateChooserstart.getDate(), maxLifeTime); // Datum
+																	// darf
+																	// weiter
+																	// als 6
+		// Monate in der Zukunft
+		// liegen
 		dateChooserend.setDate(endDate);
 		if (Lecture.lecture.getEnddate() == null) {
 			// is not defined yet
@@ -312,8 +320,6 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		lblBis.setBounds(378, 188, 21, 20);
 		panel_2.add(lblBis);
 
-
-
 		JLabel label_6 = new JLabel("von:");
 		label_6.setBounds(200, 188, 30, 20);
 		panel_2.add(label_6);
@@ -350,7 +356,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		JLabel lblimVmchooserSichtbar = new JLabel("(im VMChooser sichtbar)");
 		lblimVmchooserSichtbar.setBounds(10, 245, 127, 14);
 		panel_2.add(lblimVmchooserSichtbar);
-		
+
 		JLabel lblmaxMonate = new JLabel("(max. 6 Monate)");
 		lblmaxMonate.setBounds(10, 208, 127, 14);
 		panel_2.add(lblmaxMonate);
@@ -415,9 +421,9 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 									"Das End-Datum liegt zu weit in der Zukunft. Erlaubt ist maximal:\n"
 											+ endDate, "Datum fehlerhaft",
 									JOptionPane.INFORMATION_MESSAGE);
-							
-							
-							dateChooserend.setDate(endDate); //setze Datum auf maximum
+
+							dateChooserend.setDate(endDate); // setze Datum auf
+																// maximum
 						} else {
 							// bereit
 							isDateMaxLifeTimeCorrect = true;
@@ -448,7 +454,8 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 						// weiter
 						if (isAllInformationReady == true
 								&& isDateMaxLifeTimeCorrect == true
-								&& isDateOrderCorrect == true) {
+								&& isDateOrderCorrect == true
+								&& descriptionLenghtOK() == true) {
 							// everything is ok, proceed
 							Lecture.lecture.setName(txtFldVeranstaltungsname
 									.getText());
@@ -456,7 +463,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 							Lecture.lecture.setEnddate(dateChooserend.getDate());
 							Lecture.lecture.setStartdate(dateChooserstart
 									.getDate());
-							
+
 							Image.image.setImagename(txtFldVeranstaltungsname
 									.getText());
 
@@ -512,7 +519,6 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 			}
 		});
 		mnNewMenu_1.add(mntmFaq);
-		
 
 		JMenuItem mntmOtrs = new JMenuItem("OTRS");
 		mntmOtrs.addMouseListener(new MouseAdapter() {
@@ -520,7 +526,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 			public void mousePressed(MouseEvent arg0) {
 
 				OpenLinks open = new OpenLinks();
-				
+
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
@@ -532,7 +538,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 			}
 		});
 		mnNewMenu_1.add(mntmOtrs);
-		
+
 		JMenuItem mnmtAbout = new JMenuItem("About");
 		mnmtAbout.addActionListener(new ActionListener() {
 			public void actionPerformed(ActionEvent e) {
@@ -549,5 +555,25 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		cal.setTime(date);
 		cal.add(Calendar.DATE, days); // minus number would decrement the days
 		return cal.getTime();
-	}
-}
+	}// end addDays()
+
+	public boolean descriptionLenghtOK() {
+		descriptionLengthOK = false;
+
+		// max length is 254 chars
+		if (description.getText().length() >= MAX_DESCRIPTION_LENGTH) {
+			descriptionLengthOK = false;
+			JOptionPane.showMessageDialog(null,
+					"Die Beschreibung darf max 254 Zeichen enthalten. Aktuell enthält sie "
+							+ description.getText().length() + ".",
+					"Beschreibung zu umfangreich",
+					JOptionPane.INFORMATION_MESSAGE);
+		} else {
+			descriptionLengthOK = true;
+
+		}
+
+		return descriptionLengthOK;
+	}// enddescriptionLenghtOK()
+
+}// end class
diff --git a/Dozentenmodul/src/gui/lecture/EditLectureAllgemein_GUI.java b/Dozentenmodul/src/gui/lecture/EditLectureAllgemein_GUI.java
index d30a9284..457b67db 100644
--- a/Dozentenmodul/src/gui/lecture/EditLectureAllgemein_GUI.java
+++ b/Dozentenmodul/src/gui/lecture/EditLectureAllgemein_GUI.java
@@ -1,6 +1,5 @@
 package gui.lecture;
 
-
 import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
@@ -50,7 +49,6 @@ import com.toedter.calendar.JDateChooser;
 import java.beans.PropertyChangeListener;
 import java.beans.PropertyChangeEvent;
 
-
 @SuppressWarnings("serial")
 public class EditLectureAllgemein_GUI extends JFrame {
 
@@ -69,12 +67,15 @@ public class EditLectureAllgemein_GUI extends JFrame {
 	Date startDate = new Date();
 	Date endDate;
 	private final ButtonGroup buttonGroup = new ButtonGroup();
-	
+	private boolean descriptionLengthOK = false; // description may not be
+													// longer than
+													// MAX_DESCRIPTION_LENGTH
+	private final int MAX_DESCRIPTION_LENGTH = 254;
+
 	int maxLifeTime = 180; // Anzahl Tage, die eine Veranstaltung in der Zukunft
 	// aktiv sein darf
-boolean isDateOrderCorrect, isDateMaxLifeTimeCorrect,
-isAllInformationReady = false;
-	
+	boolean isDateOrderCorrect, isDateMaxLifeTimeCorrect,
+			isAllInformationReady = false;
 
 	/**
 	 * Create the dialog.
@@ -87,7 +88,7 @@ isAllInformationReady = false;
 			}
 		});
 		setResizable(false);
-		
+
 		try {
 			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 		} catch (ClassNotFoundException | InstantiationException
@@ -95,7 +96,8 @@ isAllInformationReady = false;
 			// TODO Auto-generated catch block
 			e.printStackTrace();
 		}
-		setTitle("bwLehrpool Suite - Veranstaltung bearbeiten");;
+		setTitle("bwLehrpool Suite - Veranstaltung bearbeiten");
+		;
 		setBounds(0, 0, 603, 722);
 		GuiOrganizer.centerGUI(this);
 
@@ -112,11 +114,12 @@ isAllInformationReady = false;
 				panel.add(lblNewLabel);
 				lblNewLabel.setFont(new Font("Tahoma", Font.BOLD, 18));
 			}
-			
+
 			JTextPane txtpnBitteWhlenSie = new JTextPane();
 			txtpnBitteWhlenSie.setEditable(false);
 			txtpnBitteWhlenSie.setBackground(SystemColor.menu);
-			txtpnBitteWhlenSie.setText("Geben Sie hier bitte einen sprechenden Imagename sowie Ihre Kontaktdaten an");
+			txtpnBitteWhlenSie
+					.setText("Geben Sie hier bitte einen sprechenden Imagename sowie Ihre Kontaktdaten an");
 			txtpnBitteWhlenSie.setBounds(10, 36, 509, 21);
 			panel.add(txtpnBitteWhlenSie);
 		}
@@ -125,19 +128,20 @@ isAllInformationReady = false;
 		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
 		getContentPane().add(contentPanel);
 		contentPanel.setLayout(null);
-		
+
 		JPanel panel_1 = new JPanel();
 		panel_1.setBackground(SystemColor.menu);
-		panel_1.setBorder(new TitledBorder(null, "Informationen zum Besitzer", TitledBorder.LEADING, TitledBorder.TOP, null, null));
+		panel_1.setBorder(new TitledBorder(null, "Informationen zum Besitzer",
+				TitledBorder.LEADING, TitledBorder.TOP, null, null));
 		panel_1.setBounds(10, 331, 557, 162);
 		contentPanel.add(panel_1);
 		panel_1.setLayout(null);
-		
+
 		JLabel label = new JLabel("Vorname: *");
 		label.setBackground(SystemColor.menu);
 		label.setBounds(10, 33, 125, 20);
 		panel_1.add(label);
-		
+
 		Vorname = new JTextField();
 		Vorname.setEditable(false);
 		Vorname.setEnabled(false);
@@ -146,12 +150,12 @@ isAllInformationReady = false;
 		Vorname.setColumns(10);
 		Vorname.setBounds(145, 33, 350, 20);
 		panel_1.add(Vorname);
-		
+
 		JLabel label_7 = new JLabel("Nachname: *");
 		label_7.setBackground(SystemColor.menu);
 		label_7.setBounds(10, 64, 125, 20);
 		panel_1.add(label_7);
-		
+
 		Nachname = new JTextField();
 		Nachname.setEnabled(false);
 		Nachname.setEditable(false);
@@ -160,12 +164,12 @@ isAllInformationReady = false;
 		Nachname.setColumns(10);
 		Nachname.setBounds(145, 64, 350, 20);
 		panel_1.add(Nachname);
-		
+
 		JLabel label_8 = new JLabel("Hochschule: *");
 		label_8.setBackground(SystemColor.menu);
 		label_8.setBounds(10, 95, 125, 20);
 		panel_1.add(label_8);
-		
+
 		Hochschule = new JTextField();
 		Hochschule.setEnabled(false);
 		Hochschule.setEditable(false);
@@ -174,12 +178,12 @@ isAllInformationReady = false;
 		Hochschule.setColumns(10);
 		Hochschule.setBounds(145, 95, 350, 20);
 		panel_1.add(Hochschule);
-		
+
 		JLabel label_9 = new JLabel("E-Mail: *");
 		label_9.setBackground(SystemColor.menu);
 		label_9.setBounds(10, 126, 125, 20);
 		panel_1.add(label_9);
-		
+
 		EMail = new JTextField();
 		EMail.setEnabled(false);
 		EMail.setEditable(false);
@@ -188,62 +192,63 @@ isAllInformationReady = false;
 		EMail.setColumns(10);
 		EMail.setBounds(145, 126, 350, 20);
 		panel_1.add(EMail);
-		
+
 		JPanel panel = new JPanel();
 		panel.setBounds(10, 402, 577, 33);
 		contentPanel.add(panel);
 		panel.setLayout(null);
 		panel.setBorder(new EmptyBorder(5, 5, 5, 5));
 		panel.setBackground(SystemColor.menu);
-		
+
 		JLabel lblHauptmen = new JLabel("Hauptmen\u00FC");
 		lblHauptmen.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				
+
 				EditLectureAllgemein_GUI.this.setVisible(false);
-				MainMenue_GUI main=new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI();
 				main.setVisible(true);
 			}
 		});
 		lblHauptmen.setForeground(Color.BLUE);
 		lblHauptmen.setBounds(10, 11, 61, 14);
 		contentPanel.add(lblHauptmen);
-		
+
 		JLabel label_1 = new JLabel(">");
 		label_1.setBounds(69, 11, 13, 14);
 		contentPanel.add(label_1);
-		
+
 		JLabel lblVlimage = new JLabel("Veranstaltung");
 		lblVlimage.setForeground(Color.BLUE);
 		lblVlimage.setBounds(81, 11, 84, 14);
 		contentPanel.add(lblVlimage);
-		
+
 		JLabel label_2 = new JLabel(">");
 		label_2.setBounds(175, 11, 13, 14);
 		contentPanel.add(label_2);
-		
+
 		JLabel lblNewLabel_1 = new JLabel("Bearbeiten");
 		lblNewLabel_1.setBounds(188, 11, 72, 14);
 		contentPanel.add(lblNewLabel_1);
-		
+
 		JPanel panel_2 = new JPanel();
 		panel_2.setLayout(null);
-		panel_2.setBorder(new TitledBorder(null, "Veranstaltungsdaten", TitledBorder.LEADING, TitledBorder.TOP, null, null));
+		panel_2.setBorder(new TitledBorder(null, "Veranstaltungsdaten",
+				TitledBorder.LEADING, TitledBorder.TOP, null, null));
 		panel_2.setBackground(SystemColor.menu);
 		panel_2.setBounds(10, 36, 557, 284);
 		contentPanel.add(panel_2);
-		
+
 		JLabel label_3 = new JLabel("Laborname (Anzeigename): *");
 		label_3.setBounds(10, 25, 180, 14);
 		panel_2.add(label_3);
-		
+
 		textFieldLaborname = new JTextField();
 		textFieldLaborname.setText(Lecture.lecture.getName());
 		textFieldLaborname.setColumns(10);
 		textFieldLaborname.setBounds(200, 22, 347, 20);
 		panel_2.add(textFieldLaborname);
-		
+
 		JTextArea textArea = new JTextArea();
 		textArea.setEditable(false);
 		textArea.setWrapStyleWord(true);
@@ -253,11 +258,11 @@ isAllInformationReady = false;
 		textArea.setBackground(SystemColor.menu);
 		textArea.setBounds(10, 49, 537, 49);
 		panel_2.add(textArea);
-		
+
 		JLabel label_4 = new JLabel("Beschreibung: *");
 		label_4.setBounds(10, 111, 180, 14);
 		panel_2.add(label_4);
-		
+
 		ScrollPane scrollPane = new ScrollPane();
 		scrollPane.setBounds(200, 104, 347, 78);
 		panel_2.add(scrollPane);
@@ -268,27 +273,29 @@ isAllInformationReady = false;
 		scrollPane.add(description);
 		description.setBounds(0, 0, 4, 22);
 		scrollPane.add(description);
-		
+
 		dateChooserend = new JDateChooser();
 		dateChooserend.setDateFormatString("dd-MM-yyyy HH:mm:ss");
 		dateChooserend.setDate(Lecture.lecture.getEnddate());
 		dateChooserend.setBounds(404, 188, 143, 20);
 		panel_2.add(dateChooserend);
-		
+
 		JLabel label_5 = new JLabel("bis");
 		label_5.setBounds(378, 188, 21, 20);
 		panel_2.add(label_5);
-		
+
 		dateChooserstart = new JDateChooser();
-		dateChooserstart.addPropertyChangeListener(new PropertyChangeListener() {
-			public void propertyChange(PropertyChangeEvent arg0) {
-				endDate = addDays(dateChooserstart.getDate(), maxLifeTime); // Datum darf weiter als 6
-				// Monate in der Zukunft
-				// liegen
-			}
-		});
-		
-		//initialize
+		dateChooserstart
+				.addPropertyChangeListener(new PropertyChangeListener() {
+					public void propertyChange(PropertyChangeEvent arg0) {
+						endDate = addDays(dateChooserstart.getDate(),
+								maxLifeTime); // Datum darf weiter als 6
+						// Monate in der Zukunft
+						// liegen
+					}
+				});
+
+		// initialize
 		if (Lecture.lecture.getStartdate() == null) {
 			// is not defined yet
 			dateChooserstart.setDate(startDate);
@@ -296,7 +303,7 @@ isAllInformationReady = false;
 			// already defined from last visit on this page
 			dateChooserstart.setDate(Lecture.lecture.getStartdate());
 		}
-		
+
 		if (Lecture.lecture.getEnddate() == null) {
 			// is not defined yet
 			dateChooserend.setDate(endDate);
@@ -304,24 +311,24 @@ isAllInformationReady = false;
 			// already defined from last visit on this page
 			dateChooserend.setDate(Lecture.lecture.getEnddate());
 		}
-		
+
 		dateChooserstart.setDateFormatString("yyyy-MM-dd HH:mm:ss");
 		dateChooserstart.setDate(Lecture.lecture.getStartdate());
 		dateChooserstart.setBounds(226, 188, 143, 20);
 		panel_2.add(dateChooserstart);
-		
+
 		JLabel label_6 = new JLabel("von:");
 		label_6.setBounds(200, 188, 30, 20);
 		panel_2.add(label_6);
-		
+
 		JLabel label_10 = new JLabel("G\u00FCltigkeitsdatum: *");
 		label_10.setBounds(10, 188, 250, 14);
 		panel_2.add(label_10);
-		
+
 		JLabel label_11 = new JLabel("Aktiv:");
 		label_11.setBounds(10, 229, 250, 14);
 		panel_2.add(label_11);
-		
+
 		radioButtonyes = new JRadioButton("Ja");
 		buttonGroup.add(radioButtonyes);
 		radioButtonyes.setBounds(240, 225, 109, 23);
@@ -330,7 +337,7 @@ isAllInformationReady = false;
 		buttonGroup.add(radioButtonno);
 		radioButtonno.setBounds(385, 225, 109, 23);
 		panel_2.add(radioButtonno);
-		
+
 		radioButtonyes.addActionListener(new ActionListener() {
 			public void actionPerformed(ActionEvent arg0) {
 				radioButtonyes.setSelected(true);
@@ -343,19 +350,15 @@ isAllInformationReady = false;
 				radioButtonyes.setSelected(false);
 			}
 		});
-		
-		
-		
-		
-		
+
 		JLabel label_12 = new JLabel("(Im VMChooser sichtbar)");
 		label_12.setBounds(10, 254, 250, 14);
 		panel_2.add(label_12);
-		
+
 		JLabel lblmaxMonate = new JLabel("(max. 6 Monate)");
 		lblmaxMonate.setBounds(10, 208, 127, 14);
 		panel_2.add(lblmaxMonate);
-		
+
 		{
 			JPanel buttonPane = new JPanel();
 			buttonPane.setBounds(0, 640, 597, 33);
@@ -366,23 +369,20 @@ isAllInformationReady = false;
 				JButton okButton = new JButton("Zur\u00FCck");
 				okButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
-						
-						if(radioButtonyes.isSelected()==true)
-						{
+
+						if (radioButtonyes.isSelected() == true) {
 							Lecture.lecture.setActive(true);
-						}
-						else
-						{
+						} else {
 							Lecture.lecture.setActive(false);
 						}
-						
+
 						Lecture.lecture.setName(textFieldLaborname.getText());
 						Lecture.lecture.setDesc(description.getText());
 						Lecture.lecture.setEnddate(dateChooserend.getDate());
 						Lecture.lecture.setStartdate(dateChooserstart.getDate());
 						Image.image.setImagename(textFieldLaborname.getText());
-						
-						MainMenue_GUI sr=new MainMenue_GUI();
+
+						MainMenue_GUI sr = new MainMenue_GUI();
 						sr.setVisible(true);
 						dispose();
 					}
@@ -394,28 +394,24 @@ isAllInformationReady = false;
 			{
 				JButton cancelButton = new JButton("Weiter");
 				cancelButton.addActionListener(new ActionListener() {
-					/*public void actionPerformed(ActionEvent e) {
-						if(radioButtonyes.isSelected()==true)
-						{
-							Lecture.lecture.setActive(true);
-						}
-						else
-						{
-							Lecture.lecture.setActive(false);
-						}
-						
-						Lecture.lecture.setName(textFieldLaborname.getText());
-						Lecture.lecture.setNewName(textFieldLaborname.getText());
-						Lecture.lecture.setDesc(description.getText());
-						Lecture.lecture.setEnddate(dateChooserend.getDate());
-						Lecture.lecture.setStartdate(dateChooserstart.getDate());
-						Image.image.setImagename(textFieldLaborname.getText());
-						
-
-					PermissionEditLecture_GUI ev=new PermissionEditLecture_GUI();
-					ev.setVisible(true);
-					dispose();
-					}*/
+					/*
+					 * public void actionPerformed(ActionEvent e) {
+					 * if(radioButtonyes.isSelected()==true) {
+					 * Lecture.lecture.setActive(true); } else {
+					 * Lecture.lecture.setActive(false); }
+					 * 
+					 * Lecture.lecture.setName(textFieldLaborname.getText());
+					 * Lecture.lecture.setNewName(textFieldLaborname.getText());
+					 * Lecture.lecture.setDesc(description.getText());
+					 * Lecture.lecture.setEnddate(dateChooserend.getDate());
+					 * Lecture.lecture.setStartdate(dateChooserstart.getDate());
+					 * Image.image.setImagename(textFieldLaborname.getText());
+					 * 
+					 * 
+					 * PermissionEditLecture_GUI ev=new
+					 * PermissionEditLecture_GUI(); ev.setVisible(true);
+					 * dispose(); }
+					 */
 					public void actionPerformed(ActionEvent e) {
 						// liegt das End-Datum vor dem Start-Datum?
 						if (dateChooserend.getDate().before(
@@ -441,9 +437,9 @@ isAllInformationReady = false;
 									"Das End-Datum liegt zu weit in der Zukunft. Erlaubt ist maximal:\n"
 											+ endDate, "Datum fehlerhaft",
 									JOptionPane.INFORMATION_MESSAGE);
-							
-							
-							dateChooserend.setDate(endDate); //setze Datum auf maximum
+
+							dateChooserend.setDate(endDate); // setze Datum auf
+																// maximum
 						} else {
 							// bereit
 							isDateMaxLifeTimeCorrect = true;
@@ -474,7 +470,8 @@ isAllInformationReady = false;
 						// weiter
 						if (isAllInformationReady == true
 								&& isDateMaxLifeTimeCorrect == true
-								&& isDateOrderCorrect == true) {
+								&& isDateOrderCorrect == true
+								&& descriptionLenghtOK() == true) {
 							// everything is ok, proceed
 							Lecture.lecture.setName(textFieldLaborname
 									.getText());
@@ -482,7 +479,7 @@ isAllInformationReady = false;
 							Lecture.lecture.setEnddate(dateChooserend.getDate());
 							Lecture.lecture.setStartdate(dateChooserstart
 									.getDate());
-							
+
 							Image.image.setImagename(textFieldLaborname
 									.getText());
 
@@ -492,37 +489,37 @@ isAllInformationReady = false;
 						}
 
 					}
-					
+
 				});
 				cancelButton.setActionCommand("Cancel");
 				buttonPane.add(cancelButton);
 			}
 		}
-		
+
 		JSeparator separator = new JSeparator();
 		separator.setBounds(0, 78, 597, 2);
 		getContentPane().add(separator);
-		
+
 		JSeparator separator_1 = new JSeparator();
 		separator_1.setBounds(0, 627, 597, 2);
 		getContentPane().add(separator_1);
-		
+
 		JLabel lblPflichtfelder = new JLabel("* Pflichtfelder");
 		lblPflichtfelder.setBounds(32, 602, 136, 14);
 		getContentPane().add(lblPflichtfelder);
-		
+
 		JMenuBar menuBar = new JMenuBar();
 		setJMenuBar(menuBar);
-		
+
 		JMenu mnNewMenu = new JMenu("Suchen");
 		menuBar.add(mnNewMenu);
-		
+
 		JMenuItem mntmVlSuche = new JMenuItem("VL Suche");
 		mnNewMenu.add(mntmVlSuche);
-		
+
 		JMenu mnNewMenu_1 = new JMenu("Hilfe");
 		menuBar.add(mnNewMenu_1);
-		
+
 		JMenuItem mntmFaq = new JMenuItem("FAQ");
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
@@ -539,7 +536,6 @@ isAllInformationReady = false;
 			}
 		});
 		mnNewMenu_1.add(mntmFaq);
-		
 
 		JMenuItem mntmOtrs = new JMenuItem("OTRS");
 		mntmOtrs.addMouseListener(new MouseAdapter() {
@@ -557,7 +553,7 @@ isAllInformationReady = false;
 			}
 		});
 		mnNewMenu_1.add(mntmOtrs);
-		
+
 		JMenuItem mntmAbout = new JMenuItem("About");
 		mntmAbout.addActionListener(new ActionListener() {
 			public void actionPerformed(ActionEvent e) {
@@ -566,14 +562,33 @@ isAllInformationReady = false;
 			}
 		});
 		mnNewMenu_1.add(mntmAbout);
-		
+
 	}
-	
+
 	public Date addDays(Date date, int days) {
 		Calendar cal = Calendar.getInstance();
 		cal.setTime(date);
 		cal.add(Calendar.DATE, days); // minus number would decrement the days
 		return cal.getTime();
-	}
+	}// end addDays()
+
+	public boolean descriptionLenghtOK() {
+		descriptionLengthOK = false;
+
+		// max length is 254 chars
+		if (description.getText().length() >= MAX_DESCRIPTION_LENGTH) {
+			descriptionLengthOK = false;
+			JOptionPane.showMessageDialog(null,
+					"Die Beschreibung darf max 254 Zeichen enthalten. Aktuell enthält sie "
+							+ description.getText().length() + ".",
+					"Beschreibung zu umfangreich",
+					JOptionPane.INFORMATION_MESSAGE);
+		} else {
+			descriptionLengthOK = true;
+
+		}
+
+		return descriptionLengthOK;
+	}// enddescriptionLenghtOK()
 
-}
\ No newline at end of file
+}// end class
\ No newline at end of file