• added possibility to change location of application

• set all JOptionPane positions relative to their parent
• known bug: relative position does not work when clicking "back" in ftpcreateimage

9 files changed, 128 insertions, 129 deletions

diff --git a/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java b/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java
index 376369d1..a46431bc 100644
--- a/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java
@@ -4,6 +4,7 @@ import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.ScrollPane;
@@ -66,6 +67,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 	JDateChooser dateChooserstart;
 	Date startDate = new Date();
 	Date endDate;
+	Component c = null;
 	private boolean descriptionLengthOK = false; // description may not be
 													// longer than
 													// MAX_DESCRIPTION_LENGTH
@@ -84,7 +86,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 	/**
 	 * Create the dialog.
 	 */
-	public CreateLectureAllgemein_GUI() {
+	public CreateLectureAllgemein_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -107,7 +109,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		}
 		setTitle("bwLehrpool Suite - Veranstaltung erzeugen");
 		setBounds(0, 0, 603, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		getContentPane().setLayout(null);
 		{
@@ -214,7 +216,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 			public void mouseClicked(MouseEvent arg0) {
 
 				CreateLectureAllgemein_GUI.this.setVisible(false);
-				MainMenue_GUI main = new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -389,7 +391,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 						Image.image.setImagename(txtFldVeranstaltungsname
 								.getText());
 
-						MainMenue_GUI sr = new MainMenue_GUI();
+						MainMenue_GUI sr = new MainMenue_GUI(c);
 						sr.setVisible(true);
 						dispose();
 					}
@@ -409,7 +411,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 							isDateOrderCorrect = false;
 							JOptionPane
 									.showMessageDialog(
-											null,
+											c,
 											"Das End-Datum liegt vor dem Start-Datum. Bitte ändern.",
 											"Datum fehlerhaft",
 											JOptionPane.INFORMATION_MESSAGE);
@@ -422,7 +424,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 						if (dateChooserend.getDate().after(endDate)) {
 							// Datum zu weit weg
 							isDateMaxLifeTimeCorrect = false;
-							JOptionPane.showMessageDialog(null,
+							JOptionPane.showMessageDialog(c,
 									"Das End-Datum liegt zu weit in der Zukunft. Erlaubt ist maximal:\n"
 											+ endDate, "Datum fehlerhaft",
 									JOptionPane.INFORMATION_MESSAGE);
@@ -440,7 +442,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 							isAllInformationReady = false;
 							JOptionPane
 									.showMessageDialog(
-											null,
+											c,
 											"Bitte geben Sie einen Veranstaltungsnamen und eine Beschreibung ein.",
 											"Datum fehlerhaft",
 											JOptionPane.INFORMATION_MESSAGE);
@@ -472,7 +474,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 							Image.image.setImagename(txtFldVeranstaltungsname
 									.getText());
 
-							PermissionCreateLecture_GUI ev = new PermissionCreateLecture_GUI();
+							PermissionCreateLecture_GUI ev = new PermissionCreateLecture_GUI(c);
 							ev.setVisible(true);
 							dispose();
 						}
@@ -551,11 +553,12 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 
+		c = this;
 	}
 
 	public Date addDays(Date date, int days) {
@@ -571,7 +574,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		// max length is 254 chars
 		if (description.getText().length() >= MAX_DESCRIPTION_LENGTH) {
 			descriptionLengthOK = false;
-			JOptionPane.showMessageDialog(null,
+			JOptionPane.showMessageDialog(c,
 					"Die Beschreibung darf max 254 Zeichen enthalten. Aktuell enthält sie "
 							+ description.getText().length() + ".",
 					"Beschreibung zu umfangreich",
diff --git a/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java b/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java
index b874b9c2..5205c41c 100644
--- a/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java
@@ -4,6 +4,7 @@ import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.SystemColor;
@@ -92,6 +93,7 @@ public class CreateLectureLink_GUI extends JFrame {
 	JTable tableCoopImages = new JTable();
 	JTable tablePublicVorlagen = new JTable();
 	boolean activeSearch=false;
+	Component c = null;
 	private JTextField textFieldName;
 	String[] titles = { "Image-Name", "Lizenzpflichtig", "OS", "Veranstaltung",
 			"Verantwortlicher", "Letztes Update", "ID", "Version","Template" };
@@ -129,7 +131,7 @@ public class CreateLectureLink_GUI extends JFrame {
 	/**
 	 * Create the dialog.
 	 */
-	public CreateLectureLink_GUI() {
+	public CreateLectureLink_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -218,7 +220,7 @@ public class CreateLectureLink_GUI extends JFrame {
 		}
 		setTitle("bwLehrpool Suite - Veranstaltung erzeugen");
 		setBounds(0, 0, 918, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		
 		final DefaultTableModel model = new DefaultTableModel(titles, 0);
@@ -313,7 +315,7 @@ public class CreateLectureLink_GUI extends JFrame {
 		} catch (TException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
-			JOptionPane.showMessageDialog(null,
+			JOptionPane.showMessageDialog(c,
 					e.getCause()+"\n"+e.getStackTrace(),
 					"Debug-Message", JOptionPane.ERROR_MESSAGE);
 		}
@@ -349,7 +351,7 @@ public class CreateLectureLink_GUI extends JFrame {
 			public void mouseClicked(MouseEvent arg0) {
 
 				CreateLectureLink_GUI.this.setVisible(false);
-				MainMenue_GUI main = new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -544,7 +546,7 @@ public class CreateLectureLink_GUI extends JFrame {
 				cancelButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
 						
-						PermissionCreateLecture_GUI eVAG = new PermissionCreateLecture_GUI();
+						PermissionCreateLecture_GUI eVAG = new PermissionCreateLecture_GUI(c);
 						eVAG.setVisible(true);
 						dispose();
 					}
@@ -592,23 +594,23 @@ public class CreateLectureLink_GUI extends JFrame {
 								client.writeLectureRights(Lecture.lecture.getName(), person.verantwortlicher.getUsername(), person.verantwortlicher.getName(), person.verantwortlicher.getVorname(), person.verantwortlicher.getEMail(), person.verantwortlicher.getHochschule(), person.verantwortlicher.getRole());
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Ihre Veranstaltung wurde erfolgreich angelegt. Sie kehren nun zum Hauptmenü zurück.",
 												"Veranstaltung angelegt",
 												JOptionPane.INFORMATION_MESSAGE);
 								// zurueck zum Menue
-								MainMenue_GUI m = new MainMenue_GUI();
+								MainMenue_GUI m = new MainMenue_GUI(c);
 								m.setVisible(true);
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Beim Anlegen Ihrer Veranstaltung ist ein Fehler aufgetreten.",
 												"Error",
 												JOptionPane.ERROR_MESSAGE);
-								JOptionPane.showMessageDialog(null,
+								JOptionPane.showMessageDialog(c,
 										e1.getCause()+"\n"+e1.getStackTrace(),
 										"Debug-Message", JOptionPane.ERROR_MESSAGE);
 							}
@@ -646,23 +648,23 @@ public class CreateLectureLink_GUI extends JFrame {
 								client.writeLectureRights(Lecture.lecture.getName(), person.verantwortlicher.getUsername(), person.verantwortlicher.getName(), person.verantwortlicher.getVorname(), person.verantwortlicher.getEMail(), person.verantwortlicher.getHochschule(), person.verantwortlicher.getRole());
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Ihre Veranstaltung wurde erfolgreich angelegt. Sie kehren nun zum Hauptmenü zurück.",
 												"Veranstaltung angelegt",
 												JOptionPane.INFORMATION_MESSAGE);
 								// zurueck zum Menue
-								MainMenue_GUI m = new MainMenue_GUI();
+								MainMenue_GUI m = new MainMenue_GUI(c);
 								m.setVisible(true);
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Beim Anlegen Ihrer Veranstaltung ist ein Fehler aufgetreten.",
 												"Error",
 												JOptionPane.ERROR_MESSAGE);
-								JOptionPane.showMessageDialog(null,
+								JOptionPane.showMessageDialog(c,
 										e1.getCause()+"\n"+e1.getStackTrace(),
 										"Debug-Message", JOptionPane.ERROR_MESSAGE);
 							}
@@ -700,23 +702,23 @@ public class CreateLectureLink_GUI extends JFrame {
 								client.writeLectureRights(Lecture.lecture.getName(), person.verantwortlicher.getUsername(), person.verantwortlicher.getName(), person.verantwortlicher.getVorname(), person.verantwortlicher.getEMail(), person.verantwortlicher.getHochschule(), person.verantwortlicher.getRole());
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Ihre Veranstaltung wurde erfolgreich angelegt. Sie kehren nun zum Hauptmenü zurück.",
 												"Veranstaltung angelegt",
 												JOptionPane.INFORMATION_MESSAGE);
 								// zurueck zum Menue
-								MainMenue_GUI m = new MainMenue_GUI();
+								MainMenue_GUI m = new MainMenue_GUI(c);
 								m.setVisible(true);
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Beim Anlegen Ihrer Veranstaltung ist ein Fehler aufgetreten.",
 												"Error",
 												JOptionPane.ERROR_MESSAGE);
-								JOptionPane.showMessageDialog(null,
+								JOptionPane.showMessageDialog(c,
 										e1.getCause()+"\n"+e1.getStackTrace(),
 										"Debug-Message", JOptionPane.ERROR_MESSAGE);
 							}
@@ -726,7 +728,7 @@ public class CreateLectureLink_GUI extends JFrame {
 						}   
 						else {
 							// nothing selected
-							JOptionPane.showMessageDialog(null,
+							JOptionPane.showMessageDialog(c,
 									"Bitte wählen Sie ein Image aus.",
 									"Image Auswahl",
 									JOptionPane.INFORMATION_MESSAGE);
@@ -934,11 +936,12 @@ public class CreateLectureLink_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 
+		c = this;
 	}
 
 	// Initiale Beffuelung eines Table models
diff --git a/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
index 014b9f71..fa03a7ff 100644
--- a/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
@@ -5,6 +5,7 @@ import gui.intro.Login_GUI;
 import gui.intro.MainMenue_GUI;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.SystemColor;
@@ -100,6 +101,7 @@ public class DeleteLecture_GUI extends JFrame {
 	private JButton button;
 
 	private JTextField textField;
+	Component c = null;
 	
 	private static final String HELP_MESSAGE = "<html><div align=\"center\">" +
 			"In der Übersicht sehen Sie primär alle Veranstaltungen, die Sie erzeugt haben.<br />" +
@@ -112,7 +114,7 @@ public class DeleteLecture_GUI extends JFrame {
 	/**
 	 * Create the dialog.
 	 */
-	public DeleteLecture_GUI() {
+	public DeleteLecture_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -195,7 +197,7 @@ public class DeleteLecture_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Veranstaltung löschen");
 		// Zentriert das Fenster in die Bildmitte
 		setBounds(0, 0, 842, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 
 		getContentPane().setLayout(null);
@@ -277,7 +279,7 @@ public class DeleteLecture_GUI extends JFrame {
 				// oeffnet das Hauptmenue
 				
 				DeleteLecture_GUI.this.setVisible(false);
-				MainMenue_GUI main = new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -349,7 +351,7 @@ public class DeleteLecture_GUI extends JFrame {
 					public void actionPerformed(ActionEvent e) {
 						// oeffnet das Hauptmenue
 						
-						MainMenue_GUI main = new MainMenue_GUI();
+						MainMenue_GUI main = new MainMenue_GUI(c);
 						main.setVisible(true);
 						dispose();
 					}
@@ -474,7 +476,7 @@ public class DeleteLecture_GUI extends JFrame {
 						if (tablemyLectures.getSelectedRowCount() !=0){
 							//a row is selected
 							//ask for confirmation
-							eingabe = JOptionPane.showConfirmDialog(null,
+							eingabe = JOptionPane.showConfirmDialog(c,
 									"Wollen Sie diese Daten löschen?", "Löschen?",
 									JOptionPane.YES_NO_OPTION);
 							
@@ -487,7 +489,7 @@ public class DeleteLecture_GUI extends JFrame {
 										LOGGER.info("Löschen erfolgreich.");
 										//delete successful
 										
-										DeleteLecture_GUI dl = new DeleteLecture_GUI();
+										DeleteLecture_GUI dl = new DeleteLecture_GUI(c);
 										dl.setVisible(true);
 										dispose();
 									} else {
@@ -495,7 +497,7 @@ public class DeleteLecture_GUI extends JFrame {
 										LOGGER.error("Konnte Veranstaltung '" + lectureID + "' nicht aus der Datenbank löschen!");
 										JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Löschen der Veranstaltung aus der Datenbank fehlgeschlagen.",
 												"Fehler",
 												JOptionPane.INFORMATION_MESSAGE);
@@ -617,10 +619,12 @@ public class DeleteLecture_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
+		
+		c = this;
 
 	}
 
diff --git a/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java b/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
index 4a3dc744..6ccd0831 100644
--- a/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
@@ -4,6 +4,7 @@ import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.ScrollPane;
@@ -42,7 +43,7 @@ import models.Image;
 import models.Lecture;
 import models.Links;
 import models.person;
-import util.GuiOrganizer;
+
 import util.OpenLinks;
 
 import com.toedter.calendar.JDateChooser;
@@ -66,6 +67,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 	JRadioButton radioButtonno;
 	Date startDate = new Date();
 	Date endDate;
+	Component c = null;
 	private final ButtonGroup buttonGroup = new ButtonGroup();
 	private boolean descriptionLengthOK = false; // description may not be
 													// longer than
@@ -86,7 +88,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 	/**
 	 * Create the dialog.
 	 */
-	public EditLectureAllgemein_GUI() {
+	public EditLectureAllgemein_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -105,7 +107,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Veranstaltung bearbeiten");
 		;
 		setBounds(0, 0, 603, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		getContentPane().setLayout(null);
 		{
@@ -212,7 +214,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 			public void mouseClicked(MouseEvent arg0) {
 
 				EditLectureAllgemein_GUI.this.setVisible(false);
-				MainMenue_GUI main = new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -388,7 +390,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 						Lecture.lecture.setStartdate(dateChooserstart.getDate());
 						Image.image.setImagename(textFieldLaborname.getText());
 
-						MainMenue_GUI sr = new MainMenue_GUI();
+						MainMenue_GUI sr = new MainMenue_GUI(c);
 						sr.setVisible(true);
 						dispose();
 					}
@@ -426,7 +428,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 							isDateOrderCorrect = false;
 							JOptionPane
 									.showMessageDialog(
-											null,
+											c,
 											"Das End-Datum liegt vor dem Start-Datum. Bitte ändern.",
 											"Datum fehlerhaft",
 											JOptionPane.INFORMATION_MESSAGE);
@@ -439,7 +441,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 						if (dateChooserend.getDate().after(endDate)) {
 							// Datum zu weit weg
 							isDateMaxLifeTimeCorrect = false;
-							JOptionPane.showMessageDialog(null,
+							JOptionPane.showMessageDialog(c,
 									"Das End-Datum liegt zu weit in der Zukunft. Erlaubt ist maximal:\n"
 											+ endDate, "Datum fehlerhaft",
 									JOptionPane.INFORMATION_MESSAGE);
@@ -457,7 +459,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 							isAllInformationReady = false;
 							JOptionPane
 									.showMessageDialog(
-											null,
+											c,
 											"Bitte geben Sie einen Veranstaltungsnamen und eine Beschreibung ein.",
 											"Datum fehlerhaft",
 											JOptionPane.INFORMATION_MESSAGE);
@@ -489,7 +491,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 							Image.image.setImagename(textFieldLaborname
 									.getText());
 
-							PermissionCreateLecture_GUI ev = new PermissionCreateLecture_GUI();
+							PermissionCreateLecture_GUI ev = new PermissionCreateLecture_GUI(c);
 							ev.setVisible(true);
 							dispose();
 						}
@@ -567,11 +569,13 @@ public class EditLectureAllgemein_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 
+		c = this;
+		setLocationRelativeTo(formerGUI);
 	}
 
 	public Date addDays(Date date, int days) {
@@ -587,7 +591,7 @@ public class EditLectureAllgemein_GUI extends JFrame {
 		// max length is 254 chars
 		if (description.getText().length() >= MAX_DESCRIPTION_LENGTH) {
 			descriptionLengthOK = false;
-			JOptionPane.showMessageDialog(null,
+			JOptionPane.showMessageDialog(c,
 					"Die Beschreibung darf max 254 Zeichen enthalten. Aktuell enthält sie "
 							+ description.getText().length() + ".",
 					"Beschreibung zu umfangreich",
diff --git a/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java b/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
index 63827070..dbacf997 100644
--- a/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
@@ -4,6 +4,7 @@ import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.SystemColor;
@@ -94,6 +95,7 @@ public class EditLectureLink_GUI extends JFrame {
 	private JTextField textFieldName;
 	JTabbedPane tabbedPane;
 	boolean activeSearch=false;
+	Component c = null;
 	String[] titles = { "Image-Name", "Lizenzpflichtig", "OS", "Veranstaltung",
 			"Verantwortlicher", "Letztes Update", "ID", "Version","Template" };
 	ThriftConnection con = new ThriftConnection();
@@ -129,7 +131,7 @@ public class EditLectureLink_GUI extends JFrame {
 	/**
 	 * Create the dialog.
 	 */
-	public EditLectureLink_GUI() {
+	public EditLectureLink_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -218,7 +220,7 @@ public class EditLectureLink_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Veranstaltung bearbeiten");
 		
 		setBounds(0, 0, 918, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		
 		final DefaultTableModel model = new DefaultTableModel(titles, 0);
@@ -345,7 +347,7 @@ public class EditLectureLink_GUI extends JFrame {
 			public void mouseClicked(MouseEvent arg0) {
 
 				EditLectureLink_GUI.this.setVisible(false);
-				MainMenue_GUI main = new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -517,7 +519,7 @@ public class EditLectureLink_GUI extends JFrame {
 				okButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
 
-						PermissionEditLecture_GUI el = new PermissionEditLecture_GUI();
+						PermissionEditLecture_GUI el = new PermissionEditLecture_GUI(c);
 						el.setVisible(true);
 						dispose();
 					}
@@ -576,23 +578,23 @@ public class EditLectureLink_GUI extends JFrame {
 										Lecture.lecture.getid());
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Ihre Veranstaltung wurde erfolgreich geändert. Sie kehren nun zum Hauptmenü zurück.",
 												"Veranstaltung angelegt",
 												JOptionPane.INFORMATION_MESSAGE);
 								// zurueck zum Menue
-								MainMenue_GUI m = new MainMenue_GUI();
+								MainMenue_GUI m = new MainMenue_GUI(c);
 								m.setVisible(true);
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Beim Anlegen Ihrer Veranstaltung ist ein Fehler aufgetreten.",
 												"Error",
 												JOptionPane.ERROR_MESSAGE);
-								JOptionPane.showMessageDialog(null,
+								JOptionPane.showMessageDialog(c,
 										e1.getCause()+"\n"+e1.getStackTrace(),
 										"Debug-Message", JOptionPane.ERROR_MESSAGE);
 							}
@@ -640,23 +642,23 @@ public class EditLectureLink_GUI extends JFrame {
 										Lecture.lecture.getid());
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Ihre Veranstaltung wurde erfolgreich geändert. Sie kehren nun zum Hauptmenü zurück.",
 												"Veranstaltung angelegt",
 												JOptionPane.INFORMATION_MESSAGE);
 								// zurueck zum Menue
-								MainMenue_GUI m = new MainMenue_GUI();
+								MainMenue_GUI m = new MainMenue_GUI(c);
 								m.setVisible(true);
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Beim Anlegen Ihrer Veranstaltung ist ein Fehler aufgetreten.",
 												"Error",
 												JOptionPane.ERROR_MESSAGE);
-								JOptionPane.showMessageDialog(null,
+								JOptionPane.showMessageDialog(c,
 										e1.getCause()+"\n"+e1.getStackTrace(),
 										"Debug-Message", JOptionPane.ERROR_MESSAGE);
 							}
@@ -706,19 +708,19 @@ public class EditLectureLink_GUI extends JFrame {
 										Lecture.lecture.getid());
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Ihre Veranstaltung wurde erfolgreich geändert. Sie kehren nun zum Hauptmenü zurück.",
 												"Veranstaltung angelegt",
 												JOptionPane.INFORMATION_MESSAGE);
 								// zurueck zum Menue
-								MainMenue_GUI m = new MainMenue_GUI();
+								MainMenue_GUI m = new MainMenue_GUI(c);
 								m.setVisible(true);
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 								JOptionPane
 										.showMessageDialog(
-												null,
+												c,
 												"Beim Anlegen Ihrer Veranstaltung ist ein Fehler aufgetreten.",
 												"Error",
 												JOptionPane.ERROR_MESSAGE);
@@ -732,7 +734,7 @@ public class EditLectureLink_GUI extends JFrame {
 						}   
 						else {
 							// nothing selected
-							JOptionPane.showMessageDialog(null,
+							JOptionPane.showMessageDialog(c,
 									"Bitte wählen Sie ein Image aus.",
 									"Image Auswahl",
 									JOptionPane.INFORMATION_MESSAGE);
@@ -938,11 +940,13 @@ public class EditLectureLink_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 		
+		c = this;
+		
 	}
 
 	// Initiale Beffuelung eines Table models
diff --git a/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java b/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java
index 2ef05d15..c88f3f9b 100644
--- a/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java
@@ -4,6 +4,7 @@ import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.SystemColor;
@@ -35,19 +36,15 @@ import javax.swing.JPanel;
 import javax.swing.JRadioButton;
 import javax.swing.JScrollPane;
 import javax.swing.JSeparator;
-import javax.swing.JTabbedPane;
 import javax.swing.JTable;
 import javax.swing.JTextArea;
 import javax.swing.JTextField;
 import javax.swing.JTextPane;
 import javax.swing.RowFilter;
-import javax.swing.ScrollPaneConstants;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
 import javax.swing.border.EmptyBorder;
 import javax.swing.border.TitledBorder;
-import javax.swing.event.ChangeEvent;
-import javax.swing.event.ChangeListener;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 import javax.swing.table.DefaultTableModel;
@@ -83,6 +80,7 @@ public class EditLectureSearch_GUI extends JFrame {
 	JTable tablemyLectures;
 	private JTextField textFieldName;
 	boolean activeSearch = false;
+	Component c = null;
 	String[] titles = { "Veranstaltungsname", "Beschreibung",
 			"Gültigkeitsdatum", "Aktiv", "Letzte Benutzung",
 			"Verantwortlicher", "Image", "Schlagwort", "ID" };
@@ -112,7 +110,7 @@ public class EditLectureSearch_GUI extends JFrame {
 	/**
 	 * Create the dialog.
 	 */
-	public EditLectureSearch_GUI() {
+	public EditLectureSearch_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -196,7 +194,7 @@ public class EditLectureSearch_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Veranstaltung bearbeiten");
 		// Zentriert das Fenster in die Bildmitte
 		setBounds(0, 0, 842, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		getContentPane().setLayout(null);
 		{
@@ -285,7 +283,7 @@ public class EditLectureSearch_GUI extends JFrame {
 				// oeffnet das Hauptmenue
 
 				EditLectureSearch_GUI.this.setVisible(false);
-				MainMenue_GUI main = new MainMenue_GUI();
+				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -356,7 +354,7 @@ public class EditLectureSearch_GUI extends JFrame {
 					public void actionPerformed(ActionEvent e) {
 						// oeffnet das Hauptmenue
 
-						MainMenue_GUI main = new MainMenue_GUI();
+						MainMenue_GUI main = new MainMenue_GUI(c);
 						main.setVisible(true);
 						dispose();
 					}
@@ -451,7 +449,7 @@ public class EditLectureSearch_GUI extends JFrame {
 
 							// EditImageAllgemein_GUI ea=new
 							// EditImageAllgemein_GUI();
-							EditLectureAllgemein_GUI el = new EditLectureAllgemein_GUI();
+							EditLectureAllgemein_GUI el = new EditLectureAllgemein_GUI(c);
 							el.setVisible(true);
 							dispose();
 						}
@@ -718,11 +716,13 @@ public class EditLectureSearch_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 		
+		c = this;
+		
 	}
 
 	// Initiale Beffuelung eines Table models
diff --git a/dozentenmodul/src/main/java/gui/lecture/PermissionCreateLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/PermissionCreateLecture_GUI.java
index d63a220a..74df74ff 100644
--- a/dozentenmodul/src/main/java/gui/lecture/PermissionCreateLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/PermissionCreateLecture_GUI.java
@@ -4,7 +4,6 @@ package gui.lecture;
 import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
-import java.awt.Checkbox;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.FlowLayout;
@@ -19,14 +18,12 @@ import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
-import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 
 import javax.swing.AbstractButton;
 import javax.swing.ButtonGroup;
 import javax.swing.DefaultComboBoxModel;
-import javax.swing.Icon;
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
@@ -37,33 +34,25 @@ import javax.swing.JMenuBar;
 import javax.swing.JMenuItem;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
 import javax.swing.JSeparator;
+import javax.swing.JTable;
+import javax.swing.JTextField;
 import javax.swing.JTextPane;
+import javax.swing.ScrollPaneConstants;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
 import javax.swing.border.EmptyBorder;
 import javax.swing.border.TitledBorder;
-import javax.swing.table.DefaultTableCellRenderer;
 import javax.swing.table.DefaultTableModel;
 import javax.swing.table.JTableHeader;
-import javax.swing.table.TableCellEditor;
 import javax.swing.table.TableCellRenderer;
 import javax.swing.table.TableColumn;
 import javax.swing.table.TableColumnModel;
 
-import models.Image;
 import models.Links;
-import util.GuiOrganizer;
 import util.OpenLinks;
-import javax.swing.JTable;
-import javax.swing.JScrollPane;
-import javax.swing.ScrollPaneConstants;
-import javax.swing.JTextField;
-
-import org.eclipse.jface.viewers.CheckboxCellEditor;
-
-import java.awt.Choice;
-import javax.swing.JRadioButton;
 
 @SuppressWarnings("serial")
 public class PermissionCreateLecture_GUI extends JFrame {
@@ -73,6 +62,7 @@ public class PermissionCreateLecture_GUI extends JFrame {
 	private JTable table;
 	private Class[] classes;
 	Object[] titles = { "Name","Read", "Write","Admin"};
+	Component c = null;
 	private static final String HELP_MESSAGE = "<html><div align=\"center\">" +
 			"Hier können Sie die Berechtigungen für Ihre Veranstaltung ändern.<br />" +
 			"Es wird unterschieden, ob innerhalb der Suite (dieses Programm) Änderungen vorgenommen werden dürfen, <br />" +
@@ -105,7 +95,7 @@ public class PermissionCreateLecture_GUI extends JFrame {
 	private JTable table_1;
 	private final ButtonGroup buttonGroup = new ButtonGroup();
 
-	public PermissionCreateLecture_GUI() {
+	public PermissionCreateLecture_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -124,7 +114,7 @@ public class PermissionCreateLecture_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Berechtigungen");
 
 		setBounds(0, 0, 603, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		getContentPane().setLayout(null);
 		{
@@ -212,7 +202,7 @@ public class PermissionCreateLecture_GUI extends JFrame {
 			public void mouseClicked(MouseEvent arg0) {
 				
 				PermissionCreateLecture_GUI.this.setVisible(false);
-				MainMenue_GUI main=new MainMenue_GUI();
+				MainMenue_GUI main=new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -334,7 +324,7 @@ public class PermissionCreateLecture_GUI extends JFrame {
 					public void actionPerformed(ActionEvent e) {
 						
 						
-						CreateLectureAllgemein_GUI sr=new CreateLectureAllgemein_GUI();
+						CreateLectureAllgemein_GUI sr=new CreateLectureAllgemein_GUI(c);
 						sr.setVisible(true);
 						dispose();
 					}
@@ -348,7 +338,7 @@ public class PermissionCreateLecture_GUI extends JFrame {
 				continueButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
 						
-						CreateLectureLink_GUI ea=new CreateLectureLink_GUI();
+						CreateLectureLink_GUI ea=new CreateLectureLink_GUI(c);
 						ea.setVisible(true);
 						dispose();
 						
@@ -448,12 +438,12 @@ public class PermissionCreateLecture_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 		
-	
+		c = this;
 		
 	}
 	  class MyItemListener1 implements ItemListener  
diff --git a/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java
index 0f06ec9d..c146d42b 100644
--- a/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java
@@ -4,7 +4,6 @@ package gui.lecture;
 import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;
 
-import java.awt.Checkbox;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.FlowLayout;
@@ -16,19 +15,14 @@ import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
-import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 
 import javax.swing.AbstractButton;
-import javax.swing.ButtonGroup;
 import javax.swing.DefaultComboBoxModel;
-import javax.swing.Icon;
 import javax.swing.JButton;
-import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
@@ -37,33 +31,23 @@ import javax.swing.JMenuBar;
 import javax.swing.JMenuItem;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
 import javax.swing.JSeparator;
+import javax.swing.JTable;
+import javax.swing.JTextField;
 import javax.swing.JTextPane;
+import javax.swing.ScrollPaneConstants;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
 import javax.swing.border.EmptyBorder;
 import javax.swing.border.TitledBorder;
-import javax.swing.table.DefaultTableCellRenderer;
 import javax.swing.table.DefaultTableModel;
-import javax.swing.table.JTableHeader;
-import javax.swing.table.TableCellEditor;
 import javax.swing.table.TableCellRenderer;
 import javax.swing.table.TableColumn;
-import javax.swing.table.TableColumnModel;
 
-import models.Image;
 import models.Links;
-import util.GuiOrganizer;
 import util.OpenLinks;
-import javax.swing.JTable;
-import javax.swing.JScrollPane;
-import javax.swing.ScrollPaneConstants;
-import javax.swing.JTextField;
-
-import org.eclipse.jface.viewers.CheckboxCellEditor;
-
-import java.awt.Choice;
-import javax.swing.JRadioButton;
 
 @SuppressWarnings("serial")
 public class PermissionEditLecture_GUI extends JFrame {
@@ -73,6 +57,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 	private JTable table;
 	private Class[] classes;
 	Object[] titles = { "Name","Read", "Write","Admin"};
+	Component c = null;
 	private static final String HELP_MESSAGE = "<html><div align=\"center\">" +
 			"Hier können Sie die Berechtigungen für Ihre Veranstaltung festlegen.<br />" +
 			"Es wird unterschieden, ob innerhalb der Suite (dieses Programm) Änderungen vorgenommen werden dürfen, <br />" +
@@ -103,7 +88,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 	};
 	private JTextField textField;
 
-	public PermissionEditLecture_GUI() {
+	public PermissionEditLecture_GUI(Component formerGUI) {
 		addWindowListener(new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
@@ -122,7 +107,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Berechtigungen");
 
 		setBounds(0, 0, 603, 722);
-		GuiOrganizer.centerGUI(this);
+		setLocationRelativeTo(formerGUI);
 
 		getContentPane().setLayout(null);
 		{
@@ -241,7 +226,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 			public void mouseClicked(MouseEvent arg0) {
 				
 				PermissionEditLecture_GUI.this.setVisible(false);
-				MainMenue_GUI main=new MainMenue_GUI();
+				MainMenue_GUI main=new MainMenue_GUI(c);
 				main.setVisible(true);
 			}
 		});
@@ -329,7 +314,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 					public void actionPerformed(ActionEvent e) {
 						
 						
-						EditLectureAllgemein_GUI sr=new EditLectureAllgemein_GUI();
+						EditLectureAllgemein_GUI sr=new EditLectureAllgemein_GUI(c);
 						sr.setVisible(true);
 						dispose();
 					}
@@ -343,7 +328,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 				continueButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
 						
-						EditLectureLink_GUI ea=new EditLectureLink_GUI();
+						EditLectureLink_GUI ea=new EditLectureLink_GUI(c);
 						ea.setVisible(true);
 						dispose();
 						
@@ -443,11 +428,13 @@ public class PermissionEditLecture_GUI extends JFrame {
 		mnNewMenu_Info.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-				JOptionPane.showMessageDialog(null, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
+				JOptionPane.showMessageDialog(c, HELP_MESSAGE, "Hilfe zu dieser Oberfläche", JOptionPane.INFORMATION_MESSAGE);
 			}
 		});
 		menuBar.add(mnNewMenu_Info);
 		
+		c = this;
+		
 	}
 	  class MyItemListener1 implements ItemListener  
 	  {  
diff --git a/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java
index 4a8b9fd9..1f597cb3 100644
--- a/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java
@@ -4,6 +4,7 @@ import gui.intro.About_GUI;
 import gui.intro.MainMenue_GUI;

 

 import java.awt.Color;

+import java.awt.Component;

 import java.awt.FlowLayout;

 import java.awt.Font;

 import java.awt.Point;

@@ -83,6 +84,7 @@ public class SearchLecture_GUI extends JFrame {
 	private JTextField textFieldName;

 	JTabbedPane tabbedPane;

 	boolean activeSearch=false;

+	Component c = null;

 	String[] titles = { "Veranstaltungsname", "Beschreibung",

 			"Gültigkeitsdatum", "Aktiv", "Letzte Benutzung",

 			"Verantwortlicher", "Image", "Schlagwort", "ID" };

@@ -107,7 +109,7 @@ public class SearchLecture_GUI extends JFrame {
 	/**

 	 * Create the dialog.

 	 */

-	public SearchLecture_GUI() {

+	public SearchLecture_GUI(Component formerGUI) {

 		addWindowListener(new WindowAdapter() {

 			@Override

 			public void windowClosing(WindowEvent arg0) {

@@ -178,7 +180,7 @@ public class SearchLecture_GUI extends JFrame {
 		setTitle("bwLehrpool Suite - Veranstaltung suchen");

 		// Zentriert das Fenster in die Bildmitte 2;

 		setBounds(0, 0, 842, 722);

-		GuiOrganizer.centerGUI(this);

+		setLocationRelativeTo(formerGUI);

 

 		getContentPane().setLayout(null);

 		{

@@ -258,7 +260,7 @@ public class SearchLecture_GUI extends JFrame {
 				// oeffnet das Hauptmenue

 				

 				SearchLecture_GUI.this.setVisible(false);

-				MainMenue_GUI main = new MainMenue_GUI();

+				MainMenue_GUI main = new MainMenue_GUI(c);

 				main.setVisible(true);

 			}

 		});

@@ -386,7 +388,7 @@ public class SearchLecture_GUI extends JFrame {
 					public void actionPerformed(ActionEvent e) {

 						// oeffnet das Hauptmenue

 						

-						MainMenue_GUI main = new MainMenue_GUI();

+						MainMenue_GUI main = new MainMenue_GUI(c);

 						main.setVisible(true);

 						dispose();

 					}

@@ -558,6 +560,8 @@ public class SearchLecture_GUI extends JFrame {
 			}

 		});

 		mnNewMenu_1.add(mntmAbout);

+		

+		c = this;

 

 	}