[client] Clean up change monitors: Unify generic listener

1 files changed, 17 insertions, 34 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/configurator/LecturePermissionConfigurator.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/configurator/LecturePermissionConfigurator.java
index 26052cf3..5e4c1649 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/configurator/LecturePermissionConfigurator.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/configurator/LecturePermissionConfigurator.java
@@ -6,9 +6,8 @@ import java.awt.event.KeyEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.util.ArrayList;
-import java.util.EventListener;
-import java.util.EventObject;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
@@ -22,11 +21,12 @@ import javax.swing.JPanel;
 import javax.swing.KeyStroke;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
-import javax.swing.event.EventListenerList;
+import javax.swing.event.ChangeListener;
 
 import org.apache.log4j.Logger;
 import org.openslx.bwlp.thrift.iface.LecturePermissions;
 import org.openslx.bwlp.thrift.iface.UserInfo;
+import org.openslx.dozmod.gui.changemonitor.GenericControlWindow;
 import org.openslx.dozmod.gui.control.table.LecturePermissionTable;
 import org.openslx.dozmod.gui.control.table.LecturePermissionTable.UserLecturePermissions;
 import org.openslx.dozmod.gui.control.table.QScrollPane;
@@ -43,7 +43,7 @@ import org.openslx.dozmod.gui.window.UserListWindow.UserAddedCallback;
  *
  */
 @SuppressWarnings("serial")
-public class LecturePermissionConfigurator extends JPanel {
+public class LecturePermissionConfigurator extends JPanel implements GenericControlWindow<Map<String, LecturePermissions>> {
 
 	/**
 	 * Self reference
@@ -182,43 +182,26 @@ public class LecturePermissionConfigurator extends JPanel {
 		return newPermissionMap;
 	}
 
-	/**
-	 * Custom event mechanism to detect changes to the user list
-	 * (Mostly needed for the reactToChange() stuff in LectureDetailsWindow) 
-	 */
-	protected EventListenerList listenerList = new EventListenerList();
-	
-	/**
-	 * Shared instance, since there is no data attached (yet)
+	/*
+	 * For dialog change monitor 
 	 */
-	private static final UserChangeEvent CHANGE_EVENT = new UserChangeEvent();
 
-	public static class UserChangeEvent extends EventObject {
-
-		public UserChangeEvent() {
-			super(new Object());
+	void fireUserChangeEvent() {
+		for (ChangeListener cl : listeners) {
+			cl.stateChanged(null);
 		}
 	}
 
-	public interface UserChangeEventListener extends EventListener {
-		public void stateChanged(UserChangeEvent event);
-	}
-
-	public void addUserChangeEventListener(UserChangeEventListener listener) {
-		listenerList.add(UserChangeEventListener.class, listener);
+	@Override
+	public Map<String, LecturePermissions> getState() {
+		return getPermissions();
 	}
+	
+	private final List<ChangeListener> listeners = new ArrayList<>(1);
 
-	public void removeUserChangeEventListener(UserChangeEventListener listener) {
-		listenerList.remove(UserChangeEventListener.class, listener);
+	@Override
+	public void addChangeListener(ChangeListener l) {
+		listeners.add(l);
 	}
 
-	void fireUserChangeEvent() {
-		Object[] listeners = listenerList.getListenerList();
-		for (int i = 0; i < listeners.length; i++) {
-			if (listeners[i] == UserChangeEventListener.class) {
-				((UserChangeEventListener) listeners[i + 1])
-						.stateChanged(CHANGE_EVENT);
-			}
-		}
-	}
 }