--- a/src/de/mpg/mpiwg/itgroup/digilib/plugin/editors/DigilibLinkEditorPart.java	Mon Jan 10 11:38:03 2011 +0100
+++ b/src/de/mpg/mpiwg/itgroup/digilib/plugin/editors/DigilibLinkEditorPart.java	Mon Jan 10 12:01:25 2011 +0100
@@ -15,16 +15,9 @@
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorSite;
-import org.eclipse.ui.IPageLayout;
-import org.eclipse.ui.IPartService;
-import org.eclipse.ui.IViewPart;
-import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.PartInitException;
-import org.eclipse.ui.internal.WWinPartService;
 import org.eclipse.ui.part.EditorPart;
 import org.eclipse.ui.views.properties.IPropertySheetPage;
-import org.eclipse.ui.views.properties.PropertySheet;
-import org.eclipse.ui.views.properties.PropertySheetPage;
 import org.eclipse.ui.views.properties.tabbed.ITabbedPropertySheetPageContributor;
 import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
 import org.jdom.JDOMException;
@@ -33,7 +26,6 @@
 import de.mpg.mpiwg.itgroup.digilib.digiImage.DigiImageController;
 import de.mpg.mpiwg.itgroup.digilib.digiImage.DigiImageParameter;
 import de.mpg.mpiwg.itgroup.digilib.digiImage.DigiNav;
-import de.mpg.mpiwg.itgroup.digilib.plugin.Activator;
 import de.mpg.mpiwg.itgroup.indexMeta.Utils.ParseIndexMeta;
 
 /**
@@ -156,7 +148,14 @@
 		
 	}
 
+	/* (non-Javadoc)
+	 * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
+	 * Called from the observable
+	 */
 	public void update(Observable o, Object arg) {
+		/*
+		 * If the argument ist digiImage then rerender the editor and update the properties
+		 */
 		if (DigiImage.class.isInstance(arg)){
 			mainComposite.pack();
 			sc.setMinSize(mainComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));
@@ -172,6 +171,7 @@
 			
 		
 		} else if (Integer.class.isInstance(arg)){
+			//if it is in integer then the argument is the status of the cursor
 			int b = (Integer) arg;
 			
 			Cursor waitCursor = new Cursor(mainComposite.getDisplay(),b);
@@ -182,12 +182,19 @@
 	
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.views.properties.tabbed.ITabbedPropertySheetPageContributor#getContributorId()
+	 */
 	public String getContributorId() {
 		String contribId = getSite().getId();
 		return contribId;
 	}
     	
-	 public Object getAdapter(Class adapter) {
+	 /* (non-Javadoc)
+	 * @see org.eclipse.ui.part.WorkbenchPart#getAdapter(java.lang.Class)
+	 */
+	@SuppressWarnings("rawtypes")
+	public Object getAdapter(Class adapter) {
 	        if (adapter == IPropertySheetPage.class){
 	           
 	            tp =  new TabbedPropertySheetPage(this);