Merge branch 'release/2.4.1'

this release contains for #31 and #14

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/SQLiteDbLoader.java

@@ -14,6 +14,7 @@ import java.beans.IntrospectionException;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.sql.SQLException;
 import java.util.ArrayList;
@@ -91,6 +92,8 @@ public class SQLiteDbLoader implements IWaveformDbLoader {
 					if (buffer[i] != x[i])	return false;
 		} catch(FileNotFoundException e) {
 			return false;
+		} catch(IOException e) { //if an I/O error occurs
+			return false;
 		}
 		database=new SQLiteDatabase(file.getAbsolutePath());
 		database.setData("TIMERESOLUTION", 1L);

com.minres.scviewer.database.sqlite/src/com/minres/scviewer/database/sqlite/TxStream.java

@@ -193,7 +193,7 @@ public class TxStream extends HierNode implements ITxStream<ITxEvent> {
 
 	@Override
 	public Boolean equals(IWaveform other) {
-		return(other instanceof TxStream && this.getId()==other.getId());
+		return(other instanceof TxStream && this.getId().equals(other.getId()));
 	}
 
 }

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDbLoader.groovy

@@ -28,7 +28,6 @@ import com.minres.scviewer.database.IWaveform
 import com.minres.scviewer.database.IWaveformDb
 import com.minres.scviewer.database.IWaveformDbLoader
 import com.minres.scviewer.database.RelationType
-import com.minres.scviewer.database.DataType
 
 public class TextDbLoader implements IWaveformDbLoader{
 
@@ -88,6 +87,8 @@ public class TextDbLoader implements IWaveformDbLoader{
 			}
 		} catch (IndexOutOfBoundsException e) {
 			return false
+		} catch (IllegalArgumentException e) {
+			return false
 		} catch (NumberFormatException e) {
 			return false
 		} catch(EOFException e) {

com.minres.scviewer.database.ui.swt/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: SWT widget
 Bundle-SymbolicName: com.minres.scviewer.database.ui.swt
-Bundle-Version: 2.0.2.qualifier
+Bundle-Version: 2.2.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.eclipse.swt;bundle-version="3.103.1",

com.minres.scviewer.database.ui.swt/pom.xml

@@ -8,5 +8,5 @@
   	<version>2.0.0-SNAPSHOT</version>
   	<relativePath>../com.minres.scviewer.parent</relativePath>
   </parent>
-  <version>2.0.2-SNAPSHOT</version>
+  <version>2.2.0-SNAPSHOT</version>
 </project>

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/Constants.java

@@ -2,8 +2,11 @@ package com.minres.scviewer.database.swt;
 
 public class Constants {
 
-	public final static String[] unitString={"fs", "ps", "ns", "us", "ms"};//, "s"};
+	public static final String[] unitString={"fs", "ps", "ns", "us", "ms"};//, "s"};
     
-    public final static int[] unitMultiplier={1, 3, 10, 30, 100, 300};
+    public static final int[] unitMultiplier={1, 3, 10, 30, 100, 300};
+
+	public static final String CONTENT_PROVIDER_TAG = "TOOLTIP_CONTENT_PROVIDER";
+	public static final String HELP_PROVIDER_TAG = "TOOLTIP_HELP_PROVIDER";
 
 }

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/ToolTipContentProvider.java

@@ -0,0 +1,10 @@
+package com.minres.scviewer.database.swt;
+
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Composite;
+
+public interface ToolTipContentProvider {
+	
+	public boolean createContent(Composite parent, Point pt);
+
+}

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/ToolTipHelpTextProvider.java

@@ -0,0 +1,12 @@
+package com.minres.scviewer.database.swt;
+
+import org.eclipse.swt.widgets.Widget;
+
+public interface ToolTipHelpTextProvider {
+	/**
+	 * Get help text
+	 * @param widget the widget that is under help
+	 * @return a help text string
+	 */
+	public String getHelpText(Widget widget);
+}

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/RelSelectionDialog.java

@@ -0,0 +1,73 @@
+package com.minres.scviewer.database.swt.internal;
+
+import static org.eclipse.swt.events.SelectionListener.widgetSelectedAdapter;
+
+import java.util.ArrayList;
+import java.util.stream.Collectors;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Dialog;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.List;
+import org.eclipse.swt.widgets.Shell;
+
+import com.minres.scviewer.database.ITx;
+import com.minres.scviewer.database.ITxRelation;
+
+class RelSelectionDialog extends Dialog {
+	private java.util.List<ITxRelation> entries;
+	
+	private java.util.List<ITx> entryTx;
+	
+	private ITxRelation selected = null;
+	
+	public RelSelectionDialog(Shell shell, ArrayList<ITxRelation> candidates, boolean target) {
+		super(shell);
+		entries = candidates;
+		entryTx = entries.stream().map(r->target?r.getTarget():r.getSource()).collect(Collectors.toCollection(ArrayList::new));
+	}
+
+public ITxRelation open() {
+    Shell parent = getParent();
+    Shell dialog = new Shell(parent, SWT.SHEET | SWT.APPLICATION_MODAL);
+    dialog.setMinimumSize(10, 10);
+    
+    RowLayout rowLayout = new RowLayout(SWT.VERTICAL);
+    //rowLayout.fill = true; // Overriding default values.
+    rowLayout.marginWidth=3;
+    rowLayout.marginHeight=0;
+    rowLayout.marginLeft = 3;
+    rowLayout.marginTop = 0;
+    rowLayout.marginRight = 3;
+    rowLayout.marginBottom = 0;
+    dialog.setLayout(rowLayout);
+    final Label lbl = new Label(dialog,SWT.NONE);
+    lbl.setText("Select one:");
+    final List list = new List (dialog, SWT.NONE);
+    for (ITx iTx : entryTx) {
+    	list.add ("#tx" + iTx.getId()+" ("+iTx.getStream().getFullName()+")");
+	}
+	list.addListener (SWT.Selection, e -> {
+		int selection = list.getSelectionIndex();
+		if(selection>=0) {
+			selected=entries.get(selection);
+			dialog.close();
+		}
+	});
+	final Button bt = new Button(dialog, SWT.PUSH | SWT.RIGHT);
+	bt.setText("Dismiss");
+	bt.setAlignment(SWT.CENTER);
+	bt.addSelectionListener(widgetSelectedAdapter(e -> dialog.close()));
+	dialog.pack();
+    dialog.open();
+    Display display = parent.getDisplay();
+    while (!dialog.isDisposed()) {
+      if (!display.readAndDispatch())
+        display.sleep();
+    }
+    return selected;
+  }
+}

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/RulerPainter.java

@@ -46,7 +46,6 @@ public class RulerPainter implements IPainter {
         long startPos=area.x*scaleFactor; 
         long startVal=startPos + waveCanvas.getXOffset()*scaleFactor;
         long endPos=startPos+area.width*scaleFactor;
-        long endVal=startVal+area.width*scaleFactor;
 
         long rulerTickMinor = rulerTickMinorC*scaleFactor;
         long rulerTickMajor = rulerTickMajorC*scaleFactor;
@@ -68,12 +67,9 @@ public class RulerPainter implements IPainter {
         gc.setForeground(headerFgColor);
         gc.drawLine(area.x, area.y+bottom, area.x+area.width, area.y+bottom);
         
-        int x0_max = 0;
-        
         for (long pos = startMinorIncrPos, tick = startMinorIncrVal; pos < endPos; pos+= rulerTickMinor, tick += rulerTickMinor) {
             int x0_pos = (int) (pos/scaleFactor);
             long x0_val = tick/scaleFactor;
-            x0_max = x0_pos;
             if ((tick % rulerTickMajor) == 0) {
                 gc.drawText(df.format(x0_val*unitMultiplier)+unit, x0_pos, area.y+textY);
                 gc.drawLine(x0_pos, area.y+majorTickY, x0_pos,area.y+ bottom);

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/SignalPainter.java

@@ -78,11 +78,6 @@ public class SignalPainter extends TrackPainter {
 		this.waveCanvas = txDisplay;
 	}
 
-	private int getXValEnd(long time) {
-		long ltmp = time / this.waveCanvas.getScaleFactor();
-		return ltmp > maxValX ? maxValX : (int) ltmp;
-	}
-
 	private int getXPosEnd(long time) {
 		long ltmp = time / this.waveCanvas.getScaleFactor() - waveCanvas.getXOffset();
 		return ltmp > maxPosX ? maxPosX : (int) ltmp;
@@ -100,7 +95,6 @@ public class SignalPainter extends TrackPainter {
 		long scaleFactor = this.waveCanvas.getScaleFactor();
 		long beginPos = area.x;
 		long beginTime = (beginPos + waveCanvas.getXOffset())*scaleFactor;
-		long endPos = beginPos + area.width;
         long endTime = beginTime + area.width*scaleFactor;
 		
 		Entry<Long, ?> first = signal.getEvents().floorEntry(beginTime);
@@ -125,7 +119,6 @@ public class SignalPainter extends TrackPainter {
 		yOffsetB = 4 * this.waveCanvas.getTrackHeight() / 5 + area.y;
 		int xSigChangeBeginVal = Math.max(area.x + (int)waveCanvas.getXOffset(), (int) (left.time / this.waveCanvas.getScaleFactor()));
 		int xSigChangeBeginPos = area.x;
-		int xSigChangeEndVal = Math.max(area.x + (int)waveCanvas.getXOffset(), getXValEnd(right.time));
 		int xSigChangeEndPos = Math.max(area.x, getXPosEnd(right.time));
 		
 		boolean multiple = false;

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/ToolTipHandler.java

@@ -0,0 +1,143 @@
+package com.minres.scviewer.database.swt.internal;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Widget;
+
+import com.minres.scviewer.database.swt.Constants;
+import com.minres.scviewer.database.swt.ToolTipContentProvider;
+import com.minres.scviewer.database.swt.ToolTipHelpTextProvider;
+
+class ToolTipHandler {
+
+	private final Display display;
+	private Shell  parentShell;
+	private Shell  shell;
+
+	private Widget tipWidget; // widget this tooltip is hovering over
+	private Point  tipPosition; // the position being hovered over
+
+	private static final int hoverYOffset = 1;
+
+	/**
+	 * Creates a new tooltip handler
+	 *
+	 * @param parent the parent Shell
+	 */
+	public ToolTipHandler(Shell parent) {
+		display = parent.getDisplay();
+		parentShell = parent;
+	}
+
+	/**
+	 * Enables customized hover help for a specified control
+	 *
+	 * @control the control on which to enable hoverhelp
+	 */
+	public void activateHoverHelp(final Control control) {
+		Listener listener = new Listener () {
+			Shell tip = null;
+			@Override
+			public void handleEvent (Event event) {
+				switch (event.type) {
+				case SWT.KeyDown:{
+					if (tip != null && tip.isVisible() && event.keyCode == SWT.F2) {
+						tip.setFocus();
+						break;
+					} 
+				}
+				case SWT.Dispose:
+				case SWT.MouseMove:
+				case SWT.MouseDown: {
+					if (tip != null){
+						tip.dispose ();
+						tip = null;
+						tipWidget=null;
+					}
+					break;
+				}
+				case SWT.MouseHover: {
+					Object o = control.getData(Constants.CONTENT_PROVIDER_TAG);
+					if(o != null && o instanceof ToolTipContentProvider) {
+						ToolTipContentProvider provider = ((ToolTipContentProvider)o);
+						Point pt = new Point (event.x, event.y);
+						tipPosition = control.toDisplay(pt);
+						if (tip != null  && !tip.isDisposed ()) tip.dispose ();
+						tip = new Shell (parentShell, SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
+						tip.setBackground (display.getSystemColor (SWT.COLOR_INFO_BACKGROUND));
+						GridLayout layout = new GridLayout(1, true);
+						layout.verticalSpacing=0;
+						layout.horizontalSpacing=0;
+						layout.marginWidth = 0;
+						layout.marginHeight = 0;
+						tip.setLayout(layout);
+						boolean visible = provider.createContent(tip, pt);
+						tip.pack();
+						tip.setSize(tip.computeSize(SWT.DEFAULT, SWT.DEFAULT));
+						setHoverLocation(tip, tipPosition);	
+						tip.setVisible (visible);
+						if(visible)
+							tipWidget=event.widget;
+					}
+				}
+				}
+			}
+		};
+		control.addListener (SWT.Dispose, listener);
+		control.addListener (SWT.KeyDown, listener);
+		//control.addListener (SWT.MouseMove, listener);
+		control.addListener (SWT.MouseHover, listener);
+		control.addListener (SWT.MouseDown, listener);
+
+		/*
+		 * Trap F1 Help to pop up a custom help box
+		 */
+		control.addHelpListener(event -> {
+			if (tipWidget == null) return;
+			ToolTipHelpTextProvider handler = (ToolTipHelpTextProvider)tipWidget.getData(Constants.HELP_PROVIDER_TAG);
+			if (handler == null) return;
+			String text = handler.getHelpText(tipWidget);
+			if (text == null) return;
+
+			if (shell.isVisible()) {
+				shell.setVisible(false);
+				Shell helpShell = new Shell(parentShell, SWT.SHELL_TRIM);
+				helpShell.setLayout(new FillLayout());
+				Label label = new Label(helpShell, SWT.NONE);
+				label.setText(text);
+				helpShell.pack();
+				setHoverLocation(helpShell, tipPosition);
+				helpShell.open();
+			}
+		});
+		//		control.addKeyListener(KeyListener.keyPressedAdapter( e-> {
+		//				if (e.keyCode == SWT.F2 && shell.isVisible()) {
+		//                    shell.setFocus();
+		//                }
+		//		}));
+	}
+
+	/**
+	 * Sets the location for a hovering shell
+	 * @param shell the object that is to hover
+	 * @param position the position of a widget to hover over
+	 * @return the top-left location for a hovering box
+	 */
+	private void setHoverLocation(Shell shell, Point position) {
+		Rectangle displayBounds = shell.getDisplay().getBounds();
+		Rectangle shellBounds = shell.getBounds();
+		shellBounds.x = Math.max(Math.min(position.x, displayBounds.width - shellBounds.width), 0);
+		shellBounds.y = Math.max(Math.min(position.y + hoverYOffset, displayBounds.height - shellBounds.height), 0);
+		shell.setBounds(shellBounds);
+	}
+}

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/WaveformCanvas.java

@@ -229,7 +229,13 @@ public class WaveformCanvas extends Canvas{
     }
 
     public void setZoomLevel(int level) {
+		long tc=cursorPainters.get(0).getTime(); // cursor time
+		setZoomLevel(level, tc);
+    }
+
+    public void setZoomLevel(int level, long centerTime) {
     	long oldScaleFactor=scaleFactor;
+    	if(level<0) level = 0;
     	if(level<Constants.unitMultiplier.length*Constants.unitString.length){
     		this.level = level;
     		this.scaleFactor = (long) Math.pow(10, level/2);
@@ -242,10 +248,9 @@ public class WaveformCanvas extends Canvas{
     		 * xcn = tc/newScaleFactor
     		 * t0n = (xcn-xoffs)*scaleFactor
     		 */
-    		long tc=cursorPainters.get(0).getTime(); // cursor time
-    		long xc=tc/oldScaleFactor; // cursor total x-offset
+    		long xc=centerTime/oldScaleFactor; // cursor total x-offset
     		long xoffs=xc+origin.x; // cursor offset relative to left border
-    		long xcn=tc/scaleFactor; // new total x-offset
+    		long xcn=centerTime/scaleFactor; // new total x-offset
     		long originX=xcn-xoffs;
     		if(originX>0) {
     			origin.x=(int) -originX; // new cursor time offset relative to left border
@@ -421,7 +426,7 @@ public class WaveformCanvas extends Canvas{
         }
     }
 
-    public List<Object> getClicked(Point point) {
+    public List<Object> getElementsAt(Point point) {
     	LinkedList<Object> result=new LinkedList<>();
         for (IPainter p : Lists.reverse(painterList)) {
             if (p instanceof TrackAreaPainter) {
@@ -557,7 +562,7 @@ public class WaveformCanvas extends Canvas{
     	return (getClientArea().width+origin.x)*scaleFactor;
     }
 
-    long getOriginTime() {
+    long getMinVisibleTime() {
     	return origin.x * scaleFactor;
     }
 }

com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/WaveformViewer.java

@@ -15,6 +15,7 @@ import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import java.beans.PropertyChangeSupport;
 import java.text.DecimalFormat;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -24,6 +25,7 @@ import java.util.Map.Entry;
 import java.util.NavigableMap;
 import java.util.NoSuchElementException;
 import java.util.TreeMap;
+import java.util.stream.Collectors;
 
 import org.eclipse.core.runtime.ListenerList;
 import org.eclipse.jface.util.LocalSelectionTransfer;
@@ -50,6 +52,9 @@ import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.events.MouseAdapter;
 import org.eclipse.swt.events.MouseEvent;
 import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.events.MouseMoveListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Font;
@@ -94,7 +99,7 @@ public class WaveformViewer implements IWaveformViewer  {
 
 	private PropertyChangeSupport pcs;
 
-	static final DecimalFormat df = new DecimalFormat("#.00####"); 
+	static final DecimalFormat df = new DecimalFormat("#0.00####"); 
 
 	private ITx currentTxSelection;
 
@@ -112,6 +117,8 @@ public class WaveformViewer implements IWaveformViewer  {
 
 	final WaveformCanvas waveformCanvas;
 
+	final ToolTipHandler toolTipHandler;
+	
 	private boolean revealSelected=false;
 	
 	private Composite top;
@@ -139,45 +146,113 @@ public class WaveformViewer implements IWaveformViewer  {
 			}
 		}
 	};
-
-	protected MouseListener waveformMouseListener = new MouseAdapter(){
-		Point start;
+	
+	class WaveformMouseListener implements MouseMoveListener, MouseListener, PaintListener {
+		Point start, end;
 		List<Object> initialSelected;
+		boolean down=false;
+
+		@Override
+		public void mouseDoubleClick(MouseEvent e) {
+		}
 
 		@Override
 		public void mouseDown(MouseEvent e) {
 			start=new Point(e.x, e.y);
+			end=new Point(e.x, e.y);
+			down=true;
 			if((e.stateMask&SWT.MODIFIER_MASK)!=0) return; //don't react on modifier
 			if (e.button ==  1) {	
-				initialSelected = waveformCanvas.getClicked(start);
+				initialSelected = waveformCanvas.getElementsAt(start);
 			} else if (e.button == 3) {
 				Menu topMenu= top.getMenu();
 				if(topMenu!=null) topMenu.setVisible(true);
 			}
 		}
 
+		@Override
+		public void mouseMove(MouseEvent e) {
+			if(down) {
+				end=new Point(e.x, e.y);
+				asyncUpdate(e.widget);
+			}	
+		}
+		
+		@Override
+		public void paintControl(PaintEvent e) {
+			if(down) {
+	            GC gc = e.gc;
+	            gc.setAlpha(128);
+	            int minX = Math.min(start.x, end.x);
+	            int width = Math.max(start.x, end.x) - minX;
+	            Point origin = waveformCanvas.getOrigin();
+	            int y_top = waveformCanvas.getRulerHeight()- origin.y;
+	            int y_bottom = waveformCanvas.getSize().y;
+	            gc.fillRectangle(minX, y_top, width,y_bottom);
+			}
+		}
+
 		@Override
 		public void mouseUp(MouseEvent e) {
+			down=false;
 			if(start==null) return;
-			if((e.stateMask&SWT.MODIFIER_MASK&~SWT.SHIFT)!=0) return; //don't react on modifier
-			if (e.button ==  1 && ((e.stateMask&SWT.SHIFT)==0)) {
+			if((e.stateMask&SWT.MODIFIER_MASK&~SWT.SHIFT)!=0) return; //don't react on modifier except shift
+			if(!start.equals(end)){
+				asyncUpdate(e.widget);
+				long startTime = waveformCanvas.getTimeForOffset(start.x);
+				long endTime = waveformCanvas.getTimeForOffset(end.x);
+				long targetTimeRange = endTime-startTime;
+				long currentTimeRange = waveformCanvas.getMaxVisibleTime()-waveformCanvas.getMinVisibleTime();
+				if(targetTimeRange==0) return;
+				long relation = currentTimeRange/targetTimeRange;
+				long i = 1;
+				int level=0;//relation>0?0:0;
+				do {
+					if(relation<0 ) {
+						if(-relation<i) {
+							break;
+						}
+						level--;
+						if(-relation<i*3) {
+							break;
+						}
+						level--;						
+					} else {
+						if(relation<i) {
+							break;
+						}
+						level++;
+						if(relation<i*3) {
+							break;
+						}
+						level++;
+					}
+					i=i*10;
+				} while(i<10000);
+				if(i<10000) {
+					int curLevel = waveformCanvas.getZoomLevel();
+					waveformCanvas.setZoomLevel(curLevel-level, (startTime+endTime)/2);
+				}
+			} else if (e.button ==  1 && ((e.stateMask&SWT.SHIFT)==0)) {
+				// set cursor (button 1 and no shift)
 				if(Math.abs(e.x-start.x)<3 && Math.abs(e.y-start.y)<3){				
 					// first set cursor time
-					setCursorTime(snapOffsetToEvent(e));
+					setCursorTime(snapOffsetToEvent(start));
 					// then set selection and reveal
 					setSelection(new StructuredSelection(initialSelected));
 					asyncUpdate(e.widget);
 				}
 			}else if (e.button ==  2 ||(e.button==1 && (e.stateMask&SWT.SHIFT)!=0)) {
-				setMarkerTime(snapOffsetToEvent(e), selectedMarker);
+				// set marker (button 1 and shift)
+				setMarkerTime(snapOffsetToEvent(start), selectedMarker);
 				asyncUpdate(e.widget);
 			}        
 		}
-
-		protected long snapOffsetToEvent(MouseEvent e) {
-			long time= waveformCanvas.getTimeForOffset(e.x);
+		
+		protected long snapOffsetToEvent(Point p) {
+			long time= waveformCanvas.getTimeForOffset(p.x);
 			long scaling=5*waveformCanvas.getScaleFactor();
-			for(Object o:waveformCanvas.getClicked(start)){
+			for(Object o:waveformCanvas.getElementsAt(p)){
 				Entry<Long, ?> floorEntry=null, ceilEntry=null;
 				if(o instanceof TrackEntry){ 
 					TrackEntry entry = (TrackEntry) o;
@@ -209,7 +284,9 @@ public class WaveformViewer implements IWaveformViewer  {
 			}
 			return time;
 		}
+
 	};
+	protected WaveformMouseListener waveformMouseListener = new WaveformMouseListener();
 
 	public WaveformViewer(Composite parent) {
 		pcs=new PropertyChangeSupport(this);
@@ -309,6 +386,8 @@ public class WaveformViewer implements IWaveformViewer  {
 
 		waveformCanvas.setMaxTime(1); 
 		waveformCanvas.addMouseListener(waveformMouseListener);
+		waveformCanvas.addMouseMoveListener(waveformMouseListener);
+		waveformCanvas.addPaintListener(waveformMouseListener);
 		
 		nameListScrolled.getVerticalBar().addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
@@ -342,6 +421,9 @@ public class WaveformViewer implements IWaveformViewer  {
 		createStreamDropTarget(valueList);
 		createWaveformDragSource(waveformCanvas);
 		createWaveformDropTarget(waveformCanvas);
+		
+		toolTipHandler = new ToolTipHandler(parent.getShell());
+		toolTipHandler.activateHoverHelp(waveformCanvas);
 	}
 
 	private Composite createTextPane(SashForm leftSash, String text) {
@@ -734,25 +816,41 @@ public class WaveformViewer implements IWaveformViewer  {
 			} else {
 				if (direction == GotoDirection.NEXT) {
 					Collection<ITxRelation>  outRel=currentTxSelection.getOutgoingRelations();
-					for(ITxRelation rel:outRel){
-						if(relationType.equals(rel.getRelationType())){
-							setSelection(new StructuredSelection(rel.getTarget()), true);
-							return;
-						}
-					}
+					ITxRelation tx = selectTxToNavigateTo(outRel, relationType, true);
+					if(tx!=null) setSelection(new StructuredSelection(tx.getTarget()), true);
 				} else if (direction == GotoDirection.PREV) {
 					Collection<ITxRelation>  inRel=currentTxSelection.getIncomingRelations();
-					for(ITxRelation rel:inRel){
-						if(relationType.equals(rel.getRelationType())){
-							setSelection(new StructuredSelection(rel.getSource()), true);
-							return;
-						}
-					}
+					ITxRelation tx = selectTxToNavigateTo(inRel, relationType, false);
+					if(tx!=null) setSelection(new StructuredSelection(tx.getSource()), true);
 				}
 			}
 		}
 	}
 
+	private ITxRelation selectTxToNavigateTo(Collection<ITxRelation> rel, RelationType relationType, boolean target) {
+		ArrayList<ITxRelation> candidates = rel.stream().filter(r -> relationType.equals(r.getRelationType())).collect(Collectors.toCollection(ArrayList::new));
+		//new RelSelectionDialog(waveformCanvas.getShell(), candidates, target).open();
+		switch (candidates.size()) {
+		case 0: return null;
+		case 1: return candidates.get(0);
+		default:
+			ArrayList<ITxRelation> visibleCandidates = candidates.stream().filter(r -> streamsVisible(r)).collect(Collectors.toCollection(ArrayList::new));
+			if(visibleCandidates.size()==0) {
+				return new RelSelectionDialog(waveformCanvas.getShell(), candidates, target).open();
+			} else if(visibleCandidates.size()==1) {
+				return visibleCandidates.size()==1?visibleCandidates.get(0):null;
+			} else {
+				return new RelSelectionDialog(waveformCanvas.getShell(), visibleCandidates, target).open();
+			}
+		}
+	}
+	
+	private boolean streamsVisible(ITxRelation relation) {
+		final ITxStream<ITxEvent> src = relation.getSource().getStream();
+		final ITxStream<ITxEvent> tgt = relation.getTarget().getStream();
+		return streams.stream().anyMatch(x -> x.waveform == src) && streams.stream().anyMatch(x -> x.waveform == tgt);
+	}
+
 	/* (non-Javadoc)
 	 * @see com.minres.scviewer.database.swt.IWaveformPanel#moveCursor(com.minres.scviewer.database.swt.GotoDirection)
 	 */
@@ -1055,6 +1153,10 @@ public class WaveformViewer implements IWaveformViewer  {
 		return null;
 	}
 
+	public List<Object> getElementsAt(Point pt){
+		return waveformCanvas.getElementsAt(pt);
+	}
+	
 	private void createWaveformDragSource(final Canvas canvas) {
 		Transfer[] types = new Transfer[] { LocalSelectionTransfer.getTransfer() };
 		DragSource dragSource = new DragSource(canvas, DND.DROP_MOVE);
@@ -1062,7 +1164,7 @@ public class WaveformViewer implements IWaveformViewer  {
 		dragSource.addDragListener(new DragSourceAdapter() {
 			public void dragStart(DragSourceEvent event) {
 				event.doit = false;
-				List<Object> clicked = waveformCanvas.getClicked(new Point(event.x, event.y));
+				List<Object> clicked = waveformCanvas.getElementsAt(new Point(event.x, event.y));
 				for(Object o:clicked){
 					if(o instanceof CursorPainter){
 						LocalSelectionTransfer.getTransfer().setSelection(new StructuredSelection(o));
@@ -1075,7 +1177,7 @@ public class WaveformViewer implements IWaveformViewer  {
 
 			public void dragSetData(DragSourceEvent event) {
 				if (LocalSelectionTransfer.getTransfer().isSupportedType(event.dataType)) {
-					event.data=waveformCanvas.getClicked(new Point(event.x, event.y)); 
+					event.data=waveformCanvas.getElementsAt(new Point(event.x, event.y)); 
 				}
 			}
 		});
@@ -1230,13 +1332,6 @@ public class WaveformViewer implements IWaveformViewer  {
 		if(percent<-100) percent=-100;
 		if(percent>100) percent=100;
 		int diff = (waveformCanvas.getWidth()*percent)/100;
-//		ScrollBar sb = waveformCanvas.getHorizontalBar();
-//		int x = sb.getSelection();
-//		System.out.println("Setting sb to "+ (x+diff));
-//		if((x+diff)>0)
-//			sb.setSelection(x+diff);
-//		else
-//			sb.setSelection(0);
 		Point o = waveformCanvas.getOrigin();
 		waveformCanvas.setOrigin(o.x-diff, o.y);
 		waveformCanvas.redraw();

com.minres.scviewer.database.ui/src/com/minres/scviewer/database/ui/IWaveformViewer.java

@@ -18,6 +18,7 @@ import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.ISelectionProvider;
 import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.widgets.Control;
 
@@ -62,6 +63,8 @@ public interface IWaveformViewer extends PropertyChangeListener, ISelectionProvi
 
 	public TrackEntry getEntryForStream(IWaveform source);
 	
+	public List<Object> getElementsAt(Point pt);
+	
 	public void moveSelectedTrack(int i);
 	
     public void setHighliteRelation(RelationType relationType);

com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDDbLoader.java

@@ -12,7 +12,6 @@ package com.minres.scviewer.database.vcd;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Collection;

com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignal.java

@@ -117,7 +117,7 @@ public class VCDSignal<T> extends HierNode implements ISignal<T> {
 
 	@Override
 	public Boolean equals(IWaveform other) {
-		return(other instanceof VCDSignal<?> && this.getId()==other.getId());
+		return( other instanceof VCDSignal<?> && this.getId().equals(other.getId()));
 	}
 
 	@Override

com.minres.scviewer.database/META-INF/MANIFEST.MF

@@ -5,7 +5,8 @@ Bundle-SymbolicName: com.minres.scviewer.database
 Bundle-Version: 1.0.0.qualifier
 Bundle-Vendor: MINRES Technologies GmbH
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Export-Package: com.minres.scviewer.database
+Export-Package: com.minres.scviewer.database,
+ com.minres.scviewer.database.internal;x-internal:=true
 Bundle-ActivationPolicy: lazy
 Service-Component: OSGI-INF/component.xml,OSGI-INF/component2.xml
 Automatic-Module-Name: com.minres.scviewer.database

com.minres.scviewer.database/src/com/minres/scviewer/database/internal/WaveformDb.java

@@ -140,7 +140,7 @@ public class WaveformDb extends HierNode implements IWaveformDb {
 						break;
 					}
 				}
-				if(name == hier[hier.length-1]){ //leaf
+				if(name.equals(hier[hier.length-1])){ //leaf
 					if(n1!=null) {
 						if(n1 instanceof HierNode){
 							node.getChildNodes().remove(n1);

com.minres.scviewer.e4.application/Application.e4xmi

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <application:Application xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:advanced="http://www.eclipse.org/ui/2010/UIModel/application/ui/advanced" xmlns:application="http://www.eclipse.org/ui/2010/UIModel/application" xmlns:basic="http://www.eclipse.org/ui/2010/UIModel/application/ui/basic" xmlns:menu="http://www.eclipse.org/ui/2010/UIModel/application/ui/menu" xmlns:ui="http://www.eclipse.org/ui/2010/UIModel/application/ui" xmi:id="_95PfsHNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ide.application" bindingContexts="_95PfuXNmEeWBq8z1Dv39LA">
-  <children xsi:type="basic:TrimmedWindow" xmi:id="_95PfsXNmEeWBq8z1Dv39LA" label="SC Viewer" width="980" height="700">
+  <children xsi:type="basic:TrimmedWindow" xmi:id="_95PfsXNmEeWBq8z1Dv39LA" label="SC Viewer" bindingContexts="_95PfunNmEeWBq8z1Dv39LA" width="980" height="700">
     <children xsi:type="advanced:PerspectiveStack" xmi:id="_95QGxnNmEeWBq8z1Dv39LA">
       <children xsi:type="advanced:Perspective" xmi:id="_95QGx3NmEeWBq8z1Dv39LA">
         <children xsi:type="basic:PartSashContainer" xmi:id="_95QGyHNmEeWBq8z1Dv39LA" horizontal="true">
-          <children xsi:type="basic:Part" xmi:id="_95QGynNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.parts.DesignBrowser" containerData="20" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.DesignBrowser" label="Design Browser">
+          <children xsi:type="basic:Part" xmi:id="_95QGynNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.parts.DesignBrowser" containerData="2000" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.DesignBrowser" label="Design Browser" bindingContexts="_iQ3kQGVmEeqSQM-A6dw9ig">
             <handlers xmi:id="_JIWOYIq-EeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.handler.addWaveformCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.AddWaveformHandler" command="_2PehEHr9EeWVM_sKoXvptg"/>
             <menus xsi:type="menu:PopupMenu" xmi:id="_HvUl8Iq-EeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.parts.DesignBrowser.popupmenu">
               <children xsi:type="menu:HandledMenuItem" xmi:id="_HvUl8Yq-EeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.handledmenuitem.append" label="Append after" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/append_wave.png" command="_2PehEHr9EeWVM_sKoXvptg">
@@ -25,19 +25,19 @@
               </children>
             </menus>
           </children>
-          <children xsi:type="basic:PartSashContainer" xmi:id="_uT9BIHgtEeWwZ-9vrAR2UQ" elementId="" containerData="80">
-            <children xsi:type="basic:PartStack" xmi:id="_95QGyXNmEeWBq8z1Dv39LA" elementId="org.eclipse.editorss" containerData="75">
+          <children xsi:type="basic:PartSashContainer" xmi:id="_uT9BIHgtEeWwZ-9vrAR2UQ" elementId="" containerData="8000">
+            <children xsi:type="basic:PartStack" xmi:id="_95QGyXNmEeWBq8z1Dv39LA" elementId="org.eclipse.editorss" containerData="7500">
               <tags>NoAutoCollapse</tags>
             </children>
-            <children xsi:type="basic:Part" xmi:id="_vtfm8HgtEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.parts.WaveformDetails" containerData="25" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.TransactionDetails" label="Waveform Details"/>
+            <children xsi:type="basic:Part" xmi:id="_vtfm8HgtEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.parts.WaveformDetails" containerData="2500" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.TransactionDetails" label="Waveform Details"/>
           </children>
         </children>
       </children>
     </children>
-    <children xsi:type="basic:Part" xmi:id="__VNlAIytEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.dialog.aboutscviewer" toBeRendered="false" visible="false" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.AboutDialog" label="About SCViewer"/>
+    <children xsi:type="basic:Part" xmi:id="__VNlAIytEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.dialog.aboutscviewer" toBeRendered="false" visible="false" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.AboutDialog" label="About SCViewer" bindingContexts="_95Pfu3NmEeWBq8z1Dv39LA"/>
     <mainMenu xmi:id="_95PfyXNmEeWBq8z1Dv39LA" elementId="menu:org.eclipse.ui.main.menu">
       <children xsi:type="menu:Menu" xmi:id="_95QGwHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.menu.file" label="File">
-        <children xsi:type="menu:HandledMenuItem" xmi:id="_VJG3YHgvEeWwZ-9vrAR2UQ" elementId="" label="Open Database" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/folder_database.png" command="_95PfwHNmEeWBq8z1Dv39LA"/>
+        <children xsi:type="menu:HandledMenuItem" xmi:id="_VJG3YHgvEeWwZ-9vrAR2UQ" elementId="" label="Open Database" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/folder_database.png" mnemonics="M1+O" command="_95PfwHNmEeWBq8z1Dv39LA"/>
         <children xsi:type="menu:HandledMenuItem" xmi:id="_e7MOYJedEeW09eyIbHsdvg" elementId="" label="Load active tab settings" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/folder_page.png" command="_7-AIMJebEeW09eyIbHsdvg">
           <parameters xmi:id="_4vtYgJehEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.parameter.30" name="com.minres.scviewer.e4.application.commandparameter.loadStore" value="load"/>
         </children>
@@ -88,7 +88,9 @@
         <children xsi:type="menu:HandledToolItem" xmi:id="_o9UBUJeiEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.handledtoolitem.loadsettings" label="Load settings" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/folder_page.png" command="_7-AIMJebEeW09eyIbHsdvg">
           <parameters xmi:id="_tQZAEJeiEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.parameter.32" name="com.minres.scviewer.e4.application.commandparameter.loadStore" value="load"/>
         </children>
-        <children xsi:type="menu:HandledToolItem" xmi:id="_95QGznNmEeWBq8z1Dv39LA" toBeRendered="false" visible="false" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/save_edit.png" command="_95Pfw3NmEeWBq8z1Dv39LA"/>
+        <children xsi:type="menu:HandledToolItem" xmi:id="_95QGznNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.handledtoolitem.savesettings" toBeRendered="false" visible="false" label="Save settings" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/save_edit.png" command="_7-AIMJebEeW09eyIbHsdvg">
+          <parameters xmi:id="_HHALEGVSEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.parameter.32" name="com.minres.scviewer.e4.application.commandparameter.loadStore" value="store"/>
+        </children>
       </children>
       <children xsi:type="menu:ToolBar" xmi:id="_VUv_AHckEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.toolbar.0">
         <children xsi:type="menu:HandledToolItem" xmi:id="_EboiQHcjEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.removestream" label="Remove Stream" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/cross.png" tooltip="Remove stream/waveform from list" command="_WUZ2wHXHEeWwZ-9vrAR2UQ"/>
@@ -121,17 +123,22 @@
         </children>
       </children>
       <children xsi:type="menu:ToolBar" xmi:id="_oQdMUHcqEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.toolbar.1">
-        <children xsi:type="menu:HandledToolItem" xmi:id="_5DrGQHf4EeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.zoomfit" label="Zoom out" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/zoom.png" tooltip="Restore default zoom level" command="_693GoHcqEeWwZ-9vrAR2UQ">
+        <children xsi:type="menu:HandledToolItem" xmi:id="_5DrGQHf4EeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.zoomfit" label="Zoom out" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/magnifier.png" tooltip="Restore default zoom level" command="_693GoHcqEeWwZ-9vrAR2UQ">
           <parameters xmi:id="_5DrGQXf4EeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.parameter.14" name="com.minres.scviewer.e4.application.command.zoomcommand.parameter.level" value="fit"/>
         </children>
         <children xsi:type="menu:ToolBarSeparator" xmi:id="_p1AvUHcqEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.toolbarseparator.1"/>
-        <children xsi:type="menu:HandledToolItem" xmi:id="_XMQPAHcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.zoomin" label="Zoom in" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/zoom_in.png" tooltip="Zoom in by a factor of 3" command="_693GoHcqEeWwZ-9vrAR2UQ">
+        <children xsi:type="menu:HandledToolItem" xmi:id="_XMQPAHcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.zoomin" label="Zoom in" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/magnifier_zoom_in.png" tooltip="Zoom in by a factor of 3" command="_693GoHcqEeWwZ-9vrAR2UQ">
           <parameters xmi:id="_fi5w4HcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.parameter.15" name="com.minres.scviewer.e4.application.command.zoomcommand.parameter.level" value="in"/>
         </children>
-        <children xsi:type="menu:HandledToolItem" xmi:id="_XqTc8HcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.zoomout" label="Zoom out" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/zoom_out.png" tooltip="Zoom out by a factor of 3" command="_693GoHcqEeWwZ-9vrAR2UQ">
+        <children xsi:type="menu:HandledToolItem" xmi:id="_XqTc8HcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handledtoolitem.zoomout" label="Zoom out" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/magifier_zoom_out.png" tooltip="Zoom out by a factor of 3" command="_693GoHcqEeWwZ-9vrAR2UQ">
           <parameters xmi:id="_d7OBYHcrEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.parameter.14" name="com.minres.scviewer.e4.application.command.zoomcommand.parameter.level" value="out"/>
         </children>
       </children>
+      <children xsi:type="menu:ToolBar" xmi:id="_fwn8wGtTEeqmlpoaaMHoiw" elementId="com.minres.scviewer.e4.application.toolbar.2">
+        <children xsi:type="menu:HandledToolItem" xmi:id="_j-XIgGtTEeqmlpoaaMHoiw" elementId="com.minres.scviewer.e4.application.handledtoolitem.hover" label="Hover" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/lightbulb.png" tooltip="Enable hover window in waveform" selected="true" type="Check" command="_uyeyYGtTEeqmlpoaaMHoiw">
+          <tags>EnableHover</tags>
+        </children>
+      </children>
     </trimBars>
     <trimBars xmi:id="_JHMt8HS8EeWBq8z1Dv39LA" elementId="org.eclipse.ui.trim.status" side="Bottom">
       <children xsi:type="menu:ToolControl" xmi:id="_YsBi8HfLEeWwZ-9vrAR2UQ" elementId="org.eclipse.ui.StatusLine" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.internal.status.WaveStatusBarControl">
@@ -154,17 +161,51 @@
   <handlers xmi:id="_UUnX8IoNEeWxJ_wPkM6yGQ" elementId="com.minres.scviewer.e4.application.handler.set_them" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.ThemeSetHandler" command="_KlGlsIoNEeWxJ_wPkM6yGQ"/>
   <handlers xmi:id="_V4EscIuGEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.handler.setreleationtype" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.SetRelationTypeHandler" command="_E9lUgIt2EeWid7xO48ZBXw"/>
   <handlers xmi:id="__99WoJebEeW09eyIbHsdvg" elementId="com.minres.scviewer.e4.application.handler.loadStoreSettings" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.LoadStoreSettingsHandler" command="_7-AIMJebEeW09eyIbHsdvg"/>
+  <handlers xmi:id="_x4pSEGtTEeqmlpoaaMHoiw" elementId="com.minres.scviewer.e4.application.handler.0" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.EnableHover" command="_uyeyYGtTEeqmlpoaaMHoiw"/>
   <bindingTables xmi:id="_95PfvnNmEeWBq8z1Dv39LA" bindingContext="_95PfuXNmEeWBq8z1Dv39LA">
-    <bindings xmi:id="_95Pfv3NmEeWBq8z1Dv39LA" keySequence="M1+Q" command="_95PfvHNmEeWBq8z1Dv39LA"/>
-    <bindings xmi:id="_95PfwnNmEeWBq8z1Dv39LA" keySequence="M1+O" command="_95PfwHNmEeWBq8z1Dv39LA"/>
-    <bindings xmi:id="_95PfxXNmEeWBq8z1Dv39LA" keySequence="M1+S" command="_95Pfw3NmEeWBq8z1Dv39LA"/>
-    <bindings xmi:id="_95PfyHNmEeWBq8z1Dv39LA" keySequence="M1+A" command="_bV-TMHXHEeWwZ-9vrAR2UQ"/>
+    <bindings xmi:id="_95Pfv3NmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.keybinding.quit" keySequence="M1+Q" command="_95PfvHNmEeWBq8z1Dv39LA">
+      <tags>type:user</tags>
+    </bindings>
+  </bindingTables>
+  <bindingTables xmi:id="_zZFy0GVNEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.bindingtable.waveform" bindingContext="_q4VSsGVNEeqSQM-A6dw9ig">
+    <bindings xmi:id="_1o3dEGVNEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.keybinding.zoom_in" keySequence="M1++" command="_693GoHcqEeWwZ-9vrAR2UQ">
+      <tags>type:user</tags>
+      <parameters xmi:id="_53UagGVNEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.parameter.33" name="com.minres.scviewer.e4.application.command.zoomcommand.parameter.level" value="in"/>
+    </bindings>
+    <bindings xmi:id="_8i3awGVNEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.keybinding.zoom_out" keySequence="M1+-" command="_693GoHcqEeWwZ-9vrAR2UQ">
+      <tags>type:user</tags>
+      <parameters xmi:id="__UCh4GVNEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.parameter.34" name="com.minres.scviewer.e4.application.command.zoomcommand.parameter.level" value="out"/>
+    </bindings>
+  </bindingTables>
+  <bindingTables xmi:id="_XullMGVOEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.bindingtable.window" bindingContext="_95PfunNmEeWBq8z1Dv39LA">
+    <bindings xmi:id="_95PfwnNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.keybinding.load" keySequence="M1+L" command="_7-AIMJebEeW09eyIbHsdvg">
+      <tags>type:user</tags>
+      <parameters xmi:id="_G_ulwGVPEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.parameter.35" name="com.minres.scviewer.e4.application.commandparameter.loadStore" value="load"/>
+    </bindings>
+    <bindings xmi:id="_95PfxXNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.keybinding.save" keySequence="M1+S" command="_7-AIMJebEeW09eyIbHsdvg">
+      <tags>type:user</tags>
+      <parameters xmi:id="_NJlf8GVPEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.parameter.36" name="com.minres.scviewer.e4.application.commandparameter.loadStore" value="store"/>
+    </bindings>
+    <bindings xmi:id="_s7JNEGVPEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.keybinding.preferences" keySequence="M1+," command="_AxH6sIl_EeWxJ_wPkM6yGQ">
+      <tags>type:user</tags>
+    </bindings>
+    <bindings xmi:id="_3PRIQGVPEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.keybinding.open" keySequence="M1+O" command="_95PfwHNmEeWBq8z1Dv39LA">
+      <tags>type:user</tags>
+    </bindings>
+  </bindingTables>
+  <bindingTables xmi:id="_mnMrUGVmEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.bindingtable.0" bindingContext="_iQ3kQGVmEeqSQM-A6dw9ig">
+    <bindings xmi:id="_n9yDwGVmEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.keybinding.0" keySequence="M1+A" command="_bV-TMHXHEeWwZ-9vrAR2UQ">
+      <tags>type:user</tags>
+    </bindings>
   </bindingTables>
   <rootContext xmi:id="_95PfuXNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.contexts.dialogAndWindow" name="In Dialog and Windows">
-    <children xmi:id="_95PfunNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.contexts.window" name="In Windows"/>
+    <children xmi:id="_95PfunNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.contexts.window" name="In Windows">
+      <children xmi:id="_q4VSsGVNEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.bindingcontext.waveform" name="In Waveform Part"/>
+      <children xmi:id="_iQ3kQGVmEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.bindingcontext.indesignbrowser" name="In DesignBrowser"/>
+    </children>
     <children xmi:id="_95Pfu3NmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.contexts.dialog" name="In Dialogs"/>
   </rootContext>
-  <descriptors xmi:id="_KicY0HRMEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.partdescriptor.waveformviewer" label="SCViewer" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/scviewer.png" allowMultiple="true" category="General" closeable="true" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.WaveformViewer">
+  <descriptors xmi:id="_KicY0HRMEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.partdescriptor.waveformviewer" label="SCViewer" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/scviewer.png" bindingContexts="_q4VSsGVNEeqSQM-A6dw9ig" allowMultiple="true" category="General" closeable="true" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.WaveformViewer">
     <tags>categoryTag:General</tags>
     <handlers xmi:id="_BSIuEHacEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handler.navigateEventCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.NavigateEvent" command="_79rx4HabEeWwZ-9vrAR2UQ"/>
     <handlers xmi:id="_JpdGwHXKEeWwZ-9vrAR2UQ" elementId="com.minres.scviewer.e4.application.handler.navigateTransCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.NavigateTrans" command="_Gn3lEHXKEeWwZ-9vrAR2UQ"/>
@@ -251,6 +292,7 @@
   <commands xmi:id="_4C_asM3ZEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.command.changevaluedisplay" commandName="Change Value Display Command">
     <parameters xmi:id="_4C_asc3ZEei6rfTGo88R-w" elementId="com.minres.scviewer.e4.application.commandparameter.changevaluedisplay" name="Type" optional="false"/>
   </commands>
+  <commands xmi:id="_uyeyYGtTEeqmlpoaaMHoiw" elementId="com.minres.scviewer.e4.application.command.enablehover" commandName="Enable hover" description="Enable hover window in waveform"/>
   <addons xmi:id="_95PfsnNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.core.commands.service" contributionURI="bundleclass://org.eclipse.e4.core.commands/org.eclipse.e4.core.commands.CommandServiceAddon"/>
   <addons xmi:id="_95Pfs3NmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ui.contexts.service" contributionURI="bundleclass://org.eclipse.e4.ui.services/org.eclipse.e4.ui.services.ContextServiceAddon"/>
   <addons xmi:id="_95PftHNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ui.bindings.service" contributionURI="bundleclass://org.eclipse.e4.ui.bindings/org.eclipse.e4.ui.bindings.BindingServiceAddon"/>

com.minres.scviewer.e4.application/META-INF/MANIFEST.MF

@@ -2,37 +2,37 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-SymbolicName: com.minres.scviewer.e4.application;singleton:=true
-Bundle-Version: 2.1.6.qualifier
+Bundle-Version: 2.4.1.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Require-Bundle: javax.inject;bundle-version="1.0.0",
-  org.eclipse.core.runtime;bundle-version="3.11.1",
-  org.eclipse.swt;bundle-version="3.104.1",
-  org.eclipse.e4.ui.model.workbench;bundle-version="1.1.100",
-  org.eclipse.jface;bundle-version="3.11.0",
-  org.eclipse.e4.ui.services;bundle-version="1.2.0",
-  org.eclipse.e4.ui.workbench;bundle-version="1.3.0",
-  org.eclipse.e4.core.di;bundle-version="1.5.0",
-  org.eclipse.e4.ui.di;bundle-version="1.1.0",
-  org.eclipse.e4.core.contexts;bundle-version="1.4.0",
-  com.minres.scviewer.database.ui.swt;bundle-version="1.0.0",
-  com.minres.scviewer.database.ui,
-  com.minres.scviewer.database;bundle-version="1.0.0",
-  org.eclipse.equinox.ds;bundle-version="1.4.300",
-  org.eclipse.equinox.util;bundle-version="1.0.500",
-  org.eclipse.osgi.services;bundle-version="3.5.0",
-  org.eclipse.e4.core.services;bundle-version="2.0.0",
-  org.eclipse.osgi.services;bundle-version="3.5.0",
-  org.eclipse.core.jobs,
-  org.eclipse.osgi,
-  com.google.guava,
-  org.eclipse.equinox.preferences,
-  org.eclipse.core.expressions,
-  org.eclipse.e4.core.commands;bundle-version="0.11.0",
-  org.eclipse.e4.ui.workbench.addons.swt,
-  com.opcoach.e4.preferences,
-  org.eclipse.e4.core.di.extensions,
-  org.eclipse.e4.ui.css.swt.theme;bundle-version="0.10.0"
+ org.eclipse.core.runtime;bundle-version="3.11.1",
+ org.eclipse.swt;bundle-version="3.104.1",
+ org.eclipse.e4.ui.model.workbench;bundle-version="1.1.100",
+ org.eclipse.jface;bundle-version="3.11.0",
+ org.eclipse.e4.ui.services;bundle-version="1.2.0",
+ org.eclipse.e4.ui.workbench;bundle-version="1.3.0",
+ org.eclipse.e4.core.di;bundle-version="1.5.0",
+ org.eclipse.e4.ui.di;bundle-version="1.1.0",
+ org.eclipse.e4.core.contexts;bundle-version="1.4.0",
+ com.minres.scviewer.database.ui.swt;bundle-version="1.0.0",
+ com.minres.scviewer.database.ui,
+ com.minres.scviewer.database;bundle-version="1.0.0",
+ org.eclipse.equinox.ds;bundle-version="1.4.300",
+ org.eclipse.equinox.util;bundle-version="1.0.500",
+ org.eclipse.osgi.services;bundle-version="3.5.0",
+ org.eclipse.e4.core.services;bundle-version="2.0.0",
+ org.eclipse.osgi.services;bundle-version="3.5.0",
+ org.eclipse.core.jobs,
+ org.eclipse.osgi,
+ com.google.guava,
+ org.eclipse.equinox.preferences,
+ org.eclipse.core.expressions,
+ org.eclipse.e4.core.commands;bundle-version="0.11.0",
+ org.eclipse.e4.ui.workbench.addons.swt,
+ com.opcoach.e4.preferences,
+ org.eclipse.e4.core.di.extensions,
+ org.eclipse.e4.ui.css.swt.theme;bundle-version="0.10.0"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: com.minres.scviewer.database,
-  javax.inject;version="1.0.0"
+ javax.inject;version="1.0.0"
 Automatic-Module-Name: com.minres.scviewer.e4.application

com.minres.scviewer.e4.application/build.properties

@@ -1,4 +1,3 @@
-output.. = bin/
 bin.includes = META-INF/,\
                .,\
                plugin.xml,\

com.minres.scviewer.e4.application/pom.xml

@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>com.minres.scviewer.e4.application</artifactId>
-  <version>2.1.6-SNAPSHOT</version>
+  <version>2.4.1-SNAPSHOT</version>
   <parent>
   	<groupId>com.minres.scviewer</groupId>
   	<artifactId>com.minres.scviewer.parent</artifactId>

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/E4LifeCycle.java

@@ -86,7 +86,7 @@ public class E4LifeCycle {
 					ContextInjectionFactory.inject(openViewHandler, ctx);
 					eventBroker.unsubscribe(this);
 					for(String name:opt.getSet().getData()){
-						if(new File(name).exists())	openViewHandler.openViewForFile(name);
+						openViewHandler.openViewForFile(name);
 					}
 				}
 			}
@@ -158,19 +158,29 @@ public class E4LifeCycle {
 		 * @param name the name
 		 */
 		public void openViewForFile(String name){
-			File file = new File(name);
+			File file = new File(getFirstFileName(name));
+			if(!file.exists())
+				return;
 			MPart part = partService.createPart("com.minres.scviewer.e4.application.partdescriptor.waveformviewer"); //$NON-NLS-1$
 			part.setLabel(file.getName());
 			MPartStack partStack = (MPartStack)modelService.find("org.eclipse.editorss", app); //$NON-NLS-1$
 			partStack.getChildren().add(part);
 			partService.showPart(part, PartState.ACTIVATE);
 			IEclipseContext ctx=part.getContext();
-			ctx.modify("input", file); //$NON-NLS-1$
+			ctx.modify("input", name); //$NON-NLS-1$
 			//ctx.declareModifiable("input"); //$NON-NLS-1$
 			ctx.modify("config", confFile); //$NON-NLS-1$
 			//ctx.declareModifiable("config"); //$NON-NLS-1$				
 		}
 
+		private String getFirstFileName(String name) {
+			if(name.contains(",")) {
+				String[] tokens = name.split(",");
+				return tokens[0];
+			} else
+				return name;
+		}
+
 		public void setConfigFile(String confFile) {
 			this.confFile=confFile;
 		}

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java

@@ -9,6 +9,7 @@ public class Messages extends NLS {
 	public static String DesignBrowser_12;
 	public static String DesignBrowser_16;
 	public static String DesignBrowser_2;
+	public static String DesignBrowser_3;
 	public static String DesignBrowser_4;
 	public static String DesignBrowser_8;
 	public static String LoadingWaveformDb_0;
@@ -21,6 +22,7 @@ public class Messages extends NLS {
 	public static String RelationTypeToolControl_1;
 	public static String ResourceManager_0;
 	public static String SCViewerPreferencesPage_0;
+	public static String SCViewerPreferencesPage_1;
 	public static String StatusBarControl_1;
 	public static String StatusBarControl_2;
 	public static String StatusBarControl_3;

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/EnableHover.java

@@ -0,0 +1,49 @@
+ 
+package com.minres.scviewer.e4.application.handlers;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;
+import org.eclipse.e4.core.contexts.Active;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.core.di.extensions.Preference;
+import org.eclipse.e4.ui.model.application.MApplication;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
+import org.eclipse.e4.ui.model.application.ui.menu.MHandledItem;
+import org.eclipse.e4.ui.workbench.modeling.EModelService;
+
+import com.minres.scviewer.e4.application.preferences.PreferenceConstants;
+
+@SuppressWarnings("restriction")
+public class EnableHover {
+	static final String TAG_NAME = "EnableHover"; //$NON-NLS-1$
+
+	@Inject
+	@Preference(nodePath = PreferenceConstants.PREFERENCES_SCOPE)
+	IEclipsePreferences prefs;
+
+	@Inject
+	MApplication application;
+		
+	@PostConstruct
+	public void initialize(EModelService modelService) {
+		List<String> tags = new LinkedList<>();
+		tags.add(TAG_NAME);
+		List<MHandledItem> elements = modelService.findElements(application, null, MHandledItem.class, tags );
+	   // cover initialization stuff, sync it with code
+		for( MHandledItem hi : elements ){
+			hi.setSelected(prefs.getBoolean(PreferenceConstants.SHOW_HOVER, true));
+		}
+	}
+
+	@Execute
+	public void execute(@Active MPart part, @Active MWindow window, MHandledItem handledItem, EModelService modelService ) {
+		prefs.putBoolean(PreferenceConstants.SHOW_HOVER, handledItem.isSelected());
+	}
+		
+}

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/OpenHandler.java

@@ -11,6 +11,7 @@
 package com.minres.scviewer.e4.application.handlers;
 
 import java.io.File;
+import java.util.ArrayList;
 
 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.di.annotations.Execute;
@@ -31,21 +32,27 @@ public class OpenHandler {
 	public void execute(Shell shell, MApplication app, EModelService modelService, EPartService partService){
 		FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
 		dialog.setFilterExtensions (new String []{Messages.OpenHandler_0});
-		dialog.open();
+		String ret = dialog.open();
+		if(ret==null)
+			return;
 		String path = dialog.getFilterPath();
+		ArrayList<File> files = new ArrayList<File>();
 		for(String fileName: dialog.getFileNames()){
 			File file = new File(path+File.separator+fileName);
-			if(file.exists()){
-				MPart part = partService .createPart("com.minres.scviewer.e4.application.partdescriptor.waveformviewer"); //$NON-NLS-1$
-				part.setLabel(file.getName());
-				MPartStack partStack = (MPartStack)modelService.find("org.eclipse.editorss", app); //$NON-NLS-1$
-				partStack.getChildren().add(part);
-				partService.showPart(part, PartState.ACTIVATE);
-				IEclipseContext ctx=part.getContext();
-				ctx.modify("input", file); //$NON-NLS-1$
-				ctx.modify("config", ""); //$NON-NLS-1$				
-			}
+			if(file.exists())
+				files.add(file);
 		}
+		MPart part = partService .createPart("com.minres.scviewer.e4.application.partdescriptor.waveformviewer"); //$NON-NLS-1$
+		part.setLabel(files.get(0).getName());
+		MPartStack partStack = (MPartStack)modelService.find("org.eclipse.editorss", app); //$NON-NLS-1$
+		partStack.getChildren().add(part);
+		partService.showPart(part, PartState.ACTIVATE);
+		final IEclipseContext ctx=part.getContext();
+		files.stream()
+			.map(x -> x.getAbsolutePath())
+			.reduce((s1, s2) -> s1 + "," + s2)
+			.ifPresent(s -> ctx.modify("input", s)); //$NON-NLS-1$
+		ctx.modify("config", ""); //$NON-NLS-1$				
 	}
 	
 }

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/SelectAllHandler.java

@@ -11,13 +11,33 @@
  
 package com.minres.scviewer.e4.application.handlers;
 
+import javax.inject.Inject;
+
 import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.core.di.annotations.Optional;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.workbench.modeling.EPartService;
+
+import com.minres.scviewer.e4.application.parts.DesignBrowser;
 
 public class SelectAllHandler {
 
+	@Inject @Optional DesignBrowser designBrowser;
+
 	@Execute
-	public void execute() {
-		
+	public void execute(EPartService partService) {
+		if(designBrowser==null) designBrowser = getListPart(partService);
+		if(designBrowser!=null){
+			designBrowser.selectAllWaveforms();
+		}
 	}
-		
+
+	protected DesignBrowser getListPart(EPartService partService){
+		MPart part = partService.getActivePart();
+		if(part.getObject() instanceof DesignBrowser)
+			return (DesignBrowser) part.getObject();
+		else
+			return null;
+	}	
+
 }

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties

@@ -3,6 +3,7 @@ AboutDialog_1=\nCopyright (c) 2015, 2019 MINRES Technologies GmbH and others.\n\
 DesignBrowser_12=Append all after
 DesignBrowser_16=Insert all before
 DesignBrowser_2=Enter text to filter waveforms
+DesignBrowser_3=Enter text to filter hierarchy
 DesignBrowser_4=Append after
 DesignBrowser_8=Insert before
 LoadingWaveformDb_0=Database loading...
@@ -15,6 +16,7 @@ RelationTypeToolControl_0=------------
 RelationTypeToolControl_1=Select
 ResourceManager_0=Wrong decorate corner
 SCViewerPreferencesPage_0=Check for changed database
+SCViewerPreferencesPage_1=Show hover window in waveform
 StatusBarControl_1=Currently running: 
 StatusBarControl_2=\nLast task: 
 StatusBarControl_3=Currently running: 

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/AboutDialog.java

@@ -50,9 +50,6 @@ import com.minres.scviewer.e4.application.Messages;
  */
 public class AboutDialog extends Dialog {
 
-	/** The product title. */
-	private String productTitle=Messages.AboutDialog_0;
-	
 	/** The copyright text. */
 	private String copyrightText=Messages.AboutDialog_1;
 
@@ -106,8 +103,8 @@ public class AboutDialog extends Dialog {
 		styledText.setLayoutData(gd_styledText);
 		Version version = Platform.getProduct().getDefiningBundle().getVersion();
 		String versionString = String.format("%d.%d.%d", version.getMajor(), version.getMinor(), version.getMicro());
-		String pt = NLS.bind(Messages.AboutDialog_0, versionString);
-		styledText.setText(pt+copyrightText);
+		String productTitle = NLS.bind(Messages.AboutDialog_0, versionString);
+		styledText.setText(productTitle+copyrightText);
 		styledText.setBackground(white);
 		styledText.setWordWrap(true);
 		styledText.setLeftMargin(5);
@@ -139,6 +136,7 @@ public class AboutDialog extends Dialog {
 				// links are activated on mouse down when the control key is held down 
 //				if ((event.stateMask & SWT.MOD1) != 0) {
 					try {
+						@SuppressWarnings("deprecation")
 						int offset = ((StyledText)event.widget).getOffsetAtLocation(new Point (event.x, event.y));
 						StyleRange style = ((StyledText)event.widget).getStyleRangeAtOffset(offset);
 						if (style != null && style.underline && style.underlineStyle == SWT.UNDERLINE_LINK) {

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/DesignBrowser.java

@@ -13,8 +13,10 @@ package com.minres.scviewer.e4.application.parts;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import java.lang.annotation.Annotation;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 
 import javax.annotation.PostConstruct;
@@ -35,14 +37,18 @@ import org.eclipse.e4.ui.services.IServiceConstants;
 import org.eclipse.e4.ui.workbench.modeling.EPartService;
 import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
 import org.eclipse.jface.viewers.DoubleClickEvent;
+import org.eclipse.jface.viewers.IContentProvider;
 import org.eclipse.jface.viewers.IDoubleClickListener;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.ITreePathContentProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TreePath;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerFilter;
@@ -68,6 +74,7 @@ import org.eclipse.swt.widgets.ToolItem;
 import org.eclipse.wb.swt.ResourceManager;
 import org.eclipse.wb.swt.SWTResourceManager;
 
+import com.minres.scviewer.database.HierNode;
 import com.minres.scviewer.database.IHierNode;
 import com.minres.scviewer.database.ITx;
 import com.minres.scviewer.database.IWaveform;
@@ -110,17 +117,23 @@ public class DesignBrowser {
 	/** The tree viewer. */
 	private TreeViewer treeViewer;
 
+	/** The name filter of the design browser tree. */
+	private Text treeNameFilter;
+
+	/** The attribute filter. */
+	StreamTTreeFilter treeAttributeFilter;
+
 	/** The name filter. */
-	private Text nameFilter;
+	private Text tableNameFilter;
+
+	/** The attribute filter. */
+	StreamTableFilter tableAttributeFilter;
 
 	/** The tx table viewer. */
 	private TableViewer txTableViewer;
 
 	/** The append all item. */
-	ToolItem appendItem, insertItem, insertAllItem, appendAllItem;
-
-	/** The attribute filter. */
-	WaveformAttributeFilter attributeFilter;
+	ToolItem appendItem, insertItem;
 
 	/** The other selection count. */
 	int thisSelectionCount=0, otherSelectionCount=0;
@@ -189,10 +202,25 @@ public class DesignBrowser {
 	 */
 	public void createTreeViewerComposite(Composite parent) {
 		parent.setLayout(new GridLayout(1, false));
+
+		treeNameFilter = new Text(parent, SWT.BORDER);
+		treeNameFilter.setMessage(Messages.DesignBrowser_3);
+		treeNameFilter.addModifyListener(new ModifyListener() {
+			@Override
+			public void modifyText(ModifyEvent e) {
+				treeAttributeFilter.setSearchText(((Text) e.widget).getText());
+				treeViewer.refresh();
+			}
+		});
+		treeNameFilter.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+
+		treeAttributeFilter = new StreamTTreeFilter();
+
 		treeViewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
 		treeViewer.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
 		treeViewer.setContentProvider(new TxDbContentProvider());
 		treeViewer.setLabelProvider(new TxDbLabelProvider());
+		treeViewer.addFilter(treeAttributeFilter);
 		treeViewer.setUseHashlookup(true);
 		treeViewer.setAutoExpandLevel(2);
 		treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
@@ -223,25 +251,25 @@ public class DesignBrowser {
 	public void createTableComposite(Composite parent) {
 		parent.setLayout(new GridLayout(1, false));
 
-		nameFilter = new Text(parent, SWT.BORDER);
-		nameFilter.setMessage(Messages.DesignBrowser_2);
-		nameFilter.addModifyListener(new ModifyListener() {
+		tableNameFilter = new Text(parent, SWT.BORDER);
+		tableNameFilter.setMessage(Messages.DesignBrowser_2);
+		tableNameFilter.addModifyListener(new ModifyListener() {
 			@Override
 			public void modifyText(ModifyEvent e) {
-				attributeFilter.setSearchText(((Text) e.widget).getText());
+				tableAttributeFilter.setSearchText(((Text) e.widget).getText());
 				updateButtons();
 				txTableViewer.refresh();
 			}
 		});
-		nameFilter.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+		tableNameFilter.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 
-		attributeFilter = new WaveformAttributeFilter();
+		tableAttributeFilter = new StreamTableFilter();
 
 		txTableViewer = new TableViewer(parent);
 		txTableViewer.setContentProvider(new TxDbContentProvider(true));
 		txTableViewer.setLabelProvider(new TxDbLabelProvider());
 		txTableViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
-		txTableViewer.addFilter(attributeFilter);
+		txTableViewer.addFilter(tableAttributeFilter);
 		txTableViewer.addDoubleClickListener(new IDoubleClickListener() {
 			@Override
 			public void doubleClick(DoubleClickEvent event) {
@@ -259,7 +287,6 @@ public class DesignBrowser {
 				updateButtons();
 			}
 		});
-
 		menuService.registerContextMenu(txTableViewer.getControl(), POPUP_ID);
 
 		ToolBar toolBar = new ToolBar(parent, SWT.FLAT | SWT.RIGHT);
@@ -294,48 +321,6 @@ public class DesignBrowser {
 					ContextInjectionFactory.invoke(myHandler, Execute.class, eclipseCtx);
 			}
 		});
-		new ToolItem(toolBar, SWT.SEPARATOR);
-
-		appendAllItem = new ToolItem(toolBar, SWT.NONE);
-		appendAllItem.setToolTipText(Messages.DesignBrowser_12);
-		appendAllItem.setImage(ResourceManager.getPluginImage("com.minres.scviewer.e4.application", "icons/append_all_waves.png")); //$NON-NLS-1$ //$NON-NLS-2$
-		appendAllItem.setEnabled(false);
-
-		new ToolItem(toolBar, SWT.SEPARATOR);
-		appendAllItem.addSelectionListener(new SelectionAdapter() {
-			@Override
-			public void widgetSelected(SelectionEvent e) {
-				Object[] all = getFilteredChildren(txTableViewer);
-				if(all.length>0){
-					Object oldSel=selectionService.getSelection();
-					selectionService.setSelection(new StructuredSelection(all));
-					AddWaveformHandler myHandler = new AddWaveformHandler();
-					Object result = runCommand(myHandler, CanExecute.class, "after", false); //$NON-NLS-1$
-					if(result!=null && (Boolean)result)
-						ContextInjectionFactory.invoke(myHandler, Execute.class, eclipseCtx);
-					selectionService.setSelection(oldSel);
-				}
-			}
-		});
-		insertAllItem = new ToolItem(toolBar, SWT.NONE);
-		insertAllItem.setToolTipText(Messages.DesignBrowser_16);
-		insertAllItem.setImage(ResourceManager.getPluginImage("com.minres.scviewer.e4.application", "icons/insert_all_waves.png")); //$NON-NLS-1$ //$NON-NLS-2$
-		insertAllItem.setEnabled(false);
-		insertAllItem.addSelectionListener(new SelectionAdapter() {
-			@Override
-			public void widgetSelected(SelectionEvent e) {
-				Object[] all = getFilteredChildren(txTableViewer);
-				if(all.length>0){
-					Object oldSel=selectionService.getSelection();
-					selectionService.setSelection(new StructuredSelection(all));
-					AddWaveformHandler myHandler = new AddWaveformHandler();
-					Object result = runCommand(myHandler, CanExecute.class, "before", false); //$NON-NLS-1$
-					if(result!=null && (Boolean)result)
-						ContextInjectionFactory.invoke(myHandler, Execute.class, eclipseCtx);
-					selectionService.setSelection(oldSel);
-				}
-			}
-		});
 	}
 
 	/**
@@ -363,6 +348,16 @@ public class DesignBrowser {
 		txTableViewer.setSelection(null);
 	}
 
+	public void selectAllWaveforms() {
+		int itemCount = txTableViewer.getTable().getItemCount();
+		ArrayList<Object> list = new ArrayList<>();
+		for(int i=0; i<itemCount; i++) {
+			list.add(txTableViewer.getElementAt(i));
+		}
+		StructuredSelection sel = new StructuredSelection(list);
+		txTableViewer.setSelection(sel);
+	}
+	
 	/**
 	 * Gets the status event.
 	 *
@@ -430,27 +425,23 @@ public class DesignBrowser {
 	 * Update buttons.
 	 */
 	private void updateButtons() {
-		if(txTableViewer!=null && !insertItem.isDisposed() && !appendItem.isDisposed() && 
-				!appendAllItem.isDisposed() && !insertAllItem.isDisposed()){
+		if(txTableViewer!=null && !insertItem.isDisposed() && !appendItem.isDisposed()){
 			AddWaveformHandler myHandler = new AddWaveformHandler();
 			Object result = runCommand(myHandler, CanExecute.class, "after", false); //$NON-NLS-1$
 			appendItem.setEnabled(result instanceof Boolean && (Boolean)result);
-			result = runCommand(myHandler, CanExecute.class, "after", true); //$NON-NLS-1$
-			appendAllItem.setEnabled(result instanceof Boolean && (Boolean)result);
 			result = runCommand(myHandler, CanExecute.class, "before", false); //$NON-NLS-1$
 			insertItem.setEnabled(result instanceof Boolean && (Boolean)result);
-			result = runCommand(myHandler, CanExecute.class, "before", true); //$NON-NLS-1$
-			insertAllItem.setEnabled(result instanceof Boolean && (Boolean)result);
 		}
 	}
 
 	/**
-	 * The Class WaveformAttributeFilter.
+	 * The Class StreamTableFilter.
 	 */
-	public class WaveformAttributeFilter extends ViewerFilter {
+	public class StreamTableFilter extends ViewerFilter {
 
 		/** The search string. */
 		private String searchString;
+		private Pattern pattern;
 
 		/**
 		 * Sets the search text.
@@ -458,7 +449,10 @@ public class DesignBrowser {
 		 * @param s the new search text
 		 */
 		public void setSearchText(String s) {
-			this.searchString = ".*" + s + ".*"; //$NON-NLS-1$ //$NON-NLS-2$
+			try {
+		        pattern = Pattern.compile(".*" + s + ".*"); //$NON-NLS-1$ //$NON-NLS-2$
+		        this.searchString = ".*" + s + ".*"; //$NON-NLS-1$ //$NON-NLS-2$
+			} catch (PatternSyntaxException e) {}
 		}
 
 		/* (non-Javadoc)
@@ -469,17 +463,103 @@ public class DesignBrowser {
 			if (searchString == null || searchString.length() == 0) {
 				return true;
 			}
-			IWaveform p = (IWaveform) element;
-			try {
-				if (p.getName().matches(searchString))
+			if(element instanceof IWaveform) {
+				if (pattern.matcher(((IWaveform) element).getName()).matches())
 					return true;
-			} catch (PatternSyntaxException e) {
-				return true;
 			}
 			return false;
 		}
 	}
 
+	public class StreamTTreeFilter extends ViewerFilter {
+
+		/** The search string. */
+		private String searchString;
+		private Pattern pattern;
+
+		/**
+		 * Sets the search text.
+		 *
+		 * @param s the new search text
+		 */
+		public void setSearchText(String s) {
+			try {
+		        pattern = Pattern.compile(".*" + s + ".*");
+		        this.searchString = ".*" + s + ".*"; //$NON-NLS-1$ //$NON-NLS-2$
+			} catch (PatternSyntaxException e) {}
+
+		}
+
+		/* (non-Javadoc)
+		 * @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
+		 */
+		@Override
+		public boolean select(Viewer viewer, Object parentElement, Object element) {
+			return selectTreePath(viewer, new TreePath(new Object[] { parentElement }), element);
+		}
+		
+		private boolean selectTreePath(Viewer viewer, TreePath parentPath, Object element) {
+			// Cut off children of elements that are shown repeatedly.
+			for (int i = 0; i < parentPath.getSegmentCount() - 1; i++) {
+				if (element.equals(parentPath.getSegment(i))) {
+					return false;
+				}
+			}
+
+			if (!(viewer instanceof TreeViewer)) {
+				return true;
+			}
+			if (searchString == null || searchString.length() == 0) {
+				return true;
+			}
+			TreeViewer treeViewer = (TreeViewer) viewer;
+			Boolean matchingResult = isMatchingOrNull(element);
+			if (matchingResult != null) {
+				return matchingResult;
+			}
+			return hasUnfilteredChild(treeViewer, parentPath, element);
+		}
+
+		Boolean isMatchingOrNull(Object element) {
+			if(element instanceof IWaveform) {
+				if (pattern.matcher(((IWaveform) element).getName()).matches())
+					return Boolean.TRUE;
+			} else if(element instanceof IWaveformDb) {
+				return Boolean.TRUE;
+			} else if(element instanceof HierNode) {
+				HierNode n = (HierNode) element;
+				try {
+					if (pattern.matcher(n.getFullName()).matches())
+						return Boolean.TRUE;
+				} catch (PatternSyntaxException e) {
+					return Boolean.TRUE;
+				}
+			} else {
+				return Boolean.FALSE;
+			}
+			/* maybe children are matching */
+			return null;
+		}
+
+		private boolean hasUnfilteredChild(TreeViewer viewer, TreePath parentPath, Object element) {
+			TreePath elementPath = parentPath.createChildPath(element);
+			IContentProvider contentProvider = viewer.getContentProvider();
+			Object[] children = contentProvider instanceof ITreePathContentProvider
+					? ((ITreePathContentProvider) contentProvider).getChildren(elementPath)
+					: ((ITreeContentProvider) contentProvider).getChildren(element);
+
+			/* avoid NPE + guard close */
+			if (children == null || children.length == 0) {
+				return false;
+			}
+			for (int i = 0; i < children.length; i++) {
+				if (selectTreePath(viewer, elementPath, children[i])) {
+					return true;
+				}
+			}
+			return false;
+		}
+	}
 	/**
 	 * Gets the filtered children.
 	 *

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/LoadingWaveformDb.java

@@ -8,7 +8,6 @@ import java.util.List;
 import com.minres.scviewer.database.IHierNode;
 import com.minres.scviewer.database.IWaveform;
 import com.minres.scviewer.database.IWaveformDb;
-import com.minres.scviewer.database.IWaveformEvent;
 import com.minres.scviewer.database.RelationType;
 import com.minres.scviewer.e4.application.Messages;
 

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/TransactionDetails.java

@@ -97,7 +97,7 @@ public class TransactionDetails {
 
 	/** The attribute filter. */
 	TxAttributeFilter attributeFilter;
-	
+
 	/** The view sorter. */
 	TxAttributeViewerSorter viewSorter;
 
@@ -124,12 +124,12 @@ public class TransactionDetails {
 				treeViewer.expandAll(true);
 			}
 		});
-		
+
 		nameFilter.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 
 		attributeFilter = new TxAttributeFilter();
 		viewSorter = new TxAttributeViewerSorter();
-		
+
 		treeViewer = new TreeViewer(parent);
 		treeViewer.setContentProvider(new TransactionTreeContentProvider());
 		treeViewer.setLabelProvider(new TxPropertiesLabelProvider());
@@ -148,7 +148,7 @@ public class TransactionDetails {
 			public void treeExpanded(TreeExpansionEvent event) {
 				treeViewer.getSelection();
 			}
-			
+
 		});
 
 		// Set up the table
@@ -188,14 +188,14 @@ public class TransactionDetails {
 			}
 		});
 		// Pack the columns
-//		for (int i = 0, n = table.getColumnCount(); i < n; i++) {
-//			table.getColumn(i).pack();
-//		}
+		//		for (int i = 0, n = table.getColumnCount(); i < n; i++) {
+		//			table.getColumn(i).pack();
+		//		}
 
 		// Turn on the header and the lines
 		tree.setHeaderVisible(true);
 		tree.setLinesVisible(true);
-		
+
 		treeViewer.addDoubleClickListener(new IDoubleClickListener(){
 
 			@Override
@@ -213,7 +213,7 @@ public class TransactionDetails {
 					}
 				}
 			}
-			
+
 		});
 		parent.addControlListener(new ControlAdapter() {
 			public void controlResized(ControlEvent e) {
@@ -279,7 +279,7 @@ public class TransactionDetails {
 		} else {
 			treeViewer.setInput(null);
 		}
-		
+
 	}
 
 	private void setExpandedState(TreeItem[] treeItems, ArrayList<Boolean> states) {
@@ -294,7 +294,7 @@ public class TransactionDetails {
 			ret.add(treeItem.getItemCount()>0?treeItem.getExpanded():true);
 		return ret;
 	}
-	
+
 	private int getTopItemHier(ArrayList<String> names){
 		int indexInParent=-1;
 		TreeItem obj = treeViewer.getTree().getTopItem();
@@ -314,7 +314,7 @@ public class TransactionDetails {
 		}
 		return indexInParent;
 	}
-	
+
 	private void setTopItemFromHier(ArrayList<String> names, int indexInParent) {
 		if(indexInParent<0 || names.size()==0 ) return;
 		TreeItem selItem=null;
@@ -375,16 +375,16 @@ public class TransactionDetails {
 	 */
 	String txToString(ITx tx){
 		StringBuilder sb = new StringBuilder();
-		sb.append("tx#").append(tx.getId()).append("[").append(timeToString(tx.getBeginTime())). //$NON-NLS-1$ //$NON-NLS-2$
-			append(" - ").append(timeToString(tx.getEndTime())).append("]"); //$NON-NLS-1$ //$NON-NLS-2$
+		sb.append("tx#").append(tx.getId()).append("[").append(timeToString(tx.getBeginTime())); //$NON-NLS-1$ //$NON-NLS-2$
+		sb.append(" - ").append(timeToString(tx.getEndTime())).append("]"); //$NON-NLS-1$ //$NON-NLS-2$
 		return sb.toString();
 	}
-	
+
 	/**
 	 * The Class TxAttributeViewerSorter.
 	 */
 	class TxAttributeViewerSorter extends ViewerComparator {
-		
+
 		/** The Constant ASCENDING. */
 		private static final int ASCENDING = 0;
 
@@ -469,7 +469,7 @@ public class TransactionDetails {
 		 */
 		@Override
 		public boolean select(Viewer viewer, Object parentElement, Object element) {
-			
+
 			if (searchString == null || searchString.length() == 0) {
 				return true;
 			}
@@ -482,7 +482,7 @@ public class TransactionDetails {
 			if(element instanceof Object[]) {
 				return (((Object[])element)[0]).toString().toLowerCase().matches(searchString.toLowerCase());	
 			}
-			
+
 			return false;
 		}
 	}
@@ -491,19 +491,19 @@ public class TransactionDetails {
 	 * The Enum Type.
 	 */
 	enum Type {/** The props. */
-PROPS, /** The attrs. */
- ATTRS, /** The in rel. */
- IN_REL, /** The out rel. */
- OUT_REL}
+		PROPS, /** The attrs. */
+		ATTRS, /** The in rel. */
+		IN_REL, /** The out rel. */
+		OUT_REL}
 
 	/**
 	 * The Class TreeNode.
 	 */
 	class TreeNode{
-		
+
 		/** The type. */
 		public Type type;
-		
+
 		/** The element. */
 		public ITx element;
 
@@ -624,16 +624,16 @@ PROPS, /** The attrs. */
 	 * The Class AttributeLabelProvider.
 	 */
 	class AttributeLabelProvider extends LabelProvider implements IStyledLabelProvider {
-		
+
 		/** The field. */
 		final int field;
-		
+
 		/** The Constant NAME. */
 		public static final int NAME=0;
-		
+
 		/** The Constant TYPE. */
 		public static final int TYPE=1;
-		
+
 		/** The Constant VALUE. */
 		public static final int VALUE=2;
 
@@ -678,13 +678,18 @@ PROPS, /** The attrs. */
 					String value = attribute.getValue().toString();
 					if((DataType.UNSIGNED == attribute.getDataType() || DataType.INTEGER==attribute.getDataType()) && !"0".equals(value)) {
 						try {
-							value = attribute.getValue().toString() + " [0x"+Long.toHexString(Long.parseLong(attribute.getValue().toString()))+"]";
+							value += " [0x"+Long.toHexString(Long.parseLong(attribute.getValue().toString()))+"]";
 						} catch(NumberFormatException e) { }
 					}
 					return new StyledString(value);
 				}else if(element instanceof Object[]){
 					Object[] elements = (Object[]) element;
-					return new StyledString(elements[field].toString());
+					Object o = elements[field];
+					if(o instanceof ITx) {
+						ITx tx = (ITx)o;
+						return new StyledString(txToString(tx)+" ("+tx.getStream().getFullName()+")");
+					} else
+						return new StyledString(o.toString());
 				} else if(element instanceof ITx){
 					return new StyledString(txToString((ITx) element));
 				}else 

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/WaveformViewer.java

@@ -31,6 +31,7 @@ import javax.annotation.PostConstruct;
 import javax.inject.Inject;
 import javax.inject.Named;
 
+import org.eclipse.core.internal.preferences.InstancePreferences;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.MultiStatus;
@@ -41,9 +42,11 @@ import org.eclipse.core.runtime.jobs.IJobChangeEvent;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.core.runtime.jobs.JobChangeAdapter;
 import org.eclipse.core.runtime.jobs.JobGroup;
+import org.eclipse.core.runtime.preferences.ConfigurationScope;
 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
 import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener;
 import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent;
+import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.di.annotations.Optional;
 import org.eclipse.e4.core.di.extensions.Preference;
 import org.eclipse.e4.core.services.events.IEventBroker;
@@ -65,18 +68,28 @@ import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
-import org.eclipse.swt.events.MouseEvent;
-import org.eclipse.swt.events.MouseTrackListener;
-import org.eclipse.swt.events.MouseWheelListener;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Listener;
-import org.eclipse.swt.widgets.MessageBox;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.swt.widgets.Widget;
+import org.osgi.service.prefs.BackingStoreException;
 
+import com.minres.scviewer.database.DataType;
 import com.minres.scviewer.database.ITx;
+import com.minres.scviewer.database.ITxAttribute;
 import com.minres.scviewer.database.ITxEvent;
 import com.minres.scviewer.database.ITxRelation;
 import com.minres.scviewer.database.IWaveform;
@@ -84,6 +97,8 @@ import com.minres.scviewer.database.IWaveformDb;
 import com.minres.scviewer.database.IWaveformDbFactory;
 import com.minres.scviewer.database.RelationType;
 import com.minres.scviewer.database.swt.Constants;
+import com.minres.scviewer.database.swt.ToolTipContentProvider;
+import com.minres.scviewer.database.swt.ToolTipHelpTextProvider;
 import com.minres.scviewer.database.swt.WaveformViewerFactory;
 import com.minres.scviewer.database.ui.GotoDirection;
 import com.minres.scviewer.database.ui.ICursor;
@@ -182,9 +197,9 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 
 	/** The prefs. */
 	@Inject
-	@Preference(nodePath = PreferenceConstants.PREFERENCES_SCOPE)
-	IEclipsePreferences prefs;
-	
+	@Preference(value = ConfigurationScope.SCOPE, nodePath = PreferenceConstants.PREFERENCES_SCOPE)
+	protected IEclipsePreferences prefs;
+
 	@Inject @Optional DesignBrowser designBrowser;
 
 	/** The database. */
@@ -230,7 +245,7 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 	@PostConstruct
 	public void createComposite(MPart part, Composite parent, IWaveformDbFactory dbFactory) {
 		disposeListenerNumber += 1;
-				
+		
 		myPart = part;
 		myParent = parent;
 		database = dbFactory.getDatabase();
@@ -281,51 +296,10 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 				}
 			}
 		});
-		waveformPane.getWaveformControl().addMouseTrackListener(new MouseTrackListener() {
-			
-			@Override
-			public void mouseHover(MouseEvent e) {
-				// TODO Auto-generated method stub
-				
-			}
-			
-			@Override
-			public void mouseExit(MouseEvent e) {
-				// TODO Auto-generated method stub
-				
-			}
-			
-			@Override
-			public void mouseEnter(MouseEvent e) {
-				// TODO Auto-generated method stub
-				
-			}
-		});
-		
-		waveformPane.getWaveformControl().addMouseWheelListener(new MouseWheelListener() {
-			
-			@Override
-			public void mouseScrolled(MouseEvent e) {
-				// TODO Auto-generated method stub
-				
-			}
-		});
-		
+
 		waveformPane.getWaveformControl().addListener(SWT.KeyDown, new Listener() {
-			
-			@SuppressWarnings("null")
 			@Override
 			public void handleEvent(Event e) {
-				/*
-					String string = e.type == SWT.KeyDown ? "DOWN:" : "UP  :";
-					string += " stateMask=0x" + Integer.toHexString (e.stateMask) + ","; // SWT.CTRL, SWT.ALT, SWT.SHIFT, SWT.COMMAND
-					string += " keyCode=0x" + Integer.toHexString (e.keyCode) + ",";
-					string += " character=0x" + Integer.toHexString (e.character) ;
-					if (e.keyLocation != 0) {
-						string +=  " location="+e.keyLocation;
-					}
-					System.out.println (string);
-				*/
 				if((e.stateMask&SWT.MOD3)!=0) { // Alt key
 				} else if((e.stateMask&SWT.MOD1)!=0) { //Ctrl/Cmd
 					int zoomlevel = waveformPane.getZoomLevel();
@@ -411,6 +385,100 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 		prefs.addPreferenceChangeListener(this);
 		
 		waveformPane.addDisposeListener(this);
+
+		waveformPane.getWaveformControl().setData(Constants.HELP_PROVIDER_TAG, new ToolTipHelpTextProvider() {
+			@Override
+			public String getHelpText(Widget widget) {
+				return "Waveform pane: press F2 to set the focus to the tooltip";
+			}
+		});
+		waveformPane.getWaveformControl().setData(Constants.CONTENT_PROVIDER_TAG, new ToolTipContentProvider() {
+			@Override
+			public boolean createContent(Composite parent, Point pt) {
+				if(!prefs.getBoolean(PreferenceConstants.SHOW_HOVER, true)) return false;
+				List<Object> res = waveformPane.getElementsAt(pt);
+				if(res.size()>0)
+					if(res.get(0) instanceof ITx) {
+						ITx tx = (ITx)res.get(0);
+						final Display display = parent.getDisplay();
+						final Font font = new Font(Display.getCurrent(), "Terminal", 10, SWT.NORMAL);
+
+						final Label label = new Label(parent, SWT.NONE);
+//						label.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
+//						label.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
+						label.setText(tx.toString());
+						label.setFont(font);
+						GridData labelGridData = new GridData();
+						labelGridData.horizontalAlignment = GridData.FILL;
+						labelGridData.grabExcessHorizontalSpace = true;
+						label.setLayoutData(labelGridData);
+
+						final Table table = new Table(parent, SWT.NONE);
+						table.setHeaderVisible(true);
+						table.setLinesVisible(true);
+						table.setFont(font);
+//						table.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
+//						table.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
+						table.setRedraw(false);		
+						GridData tableGridData = new GridData();
+						tableGridData.horizontalAlignment = GridData.FILL;
+						tableGridData.grabExcessHorizontalSpace = true;
+						table.setLayoutData(tableGridData);
+
+						final TableColumn nameCol = new TableColumn(table, SWT.LEFT);
+						nameCol.setText("Attribute");
+						final TableColumn valueCol = new TableColumn(table, SWT.LEFT);
+						valueCol.setText("Value");
+
+						for (ITxAttribute iTxAttribute : tx.getAttributes()) {
+							String value = iTxAttribute.getValue().toString();
+							if((DataType.UNSIGNED == iTxAttribute.getDataType() || DataType.INTEGER==iTxAttribute.getDataType()) && !"0".equals(value)) {
+								try {
+									value += " [0x"+Long.toHexString(Long.parseLong(iTxAttribute.getValue().toString()))+"]";
+								} catch(NumberFormatException e) { }
+							}
+							TableItem item = new TableItem(table, SWT.NONE);
+							item.setText(0, iTxAttribute.getName());
+							item.setText(1, value);
+						}
+						TableItem item = new TableItem(table, SWT.NONE);
+						item.setText(0, "");
+						item.setText(1, "");
+						nameCol.pack();
+						valueCol.pack();
+						table.pack();
+						table.setRedraw(true);		
+
+						parent.addPaintListener(new PaintListener() {
+							@Override
+							public void paintControl(PaintEvent e) {
+								Rectangle area = parent.getClientArea();
+								valueCol.setWidth(area.width - nameCol.getWidth());
+							}
+						});
+						parent.addFocusListener(FocusListener.focusGainedAdapter(e -> {
+							table.setFocus();
+						}));
+						return true;
+					} else  if(res.get(0) instanceof TrackEntry) {
+						TrackEntry te = (TrackEntry)res.get(0);
+						final Display display = parent.getDisplay();
+						final Font font = new Font(Display.getCurrent(), "Terminal", 10, SWT.NORMAL);
+
+						final Label label = new Label(parent, SWT.NONE);
+						//label.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
+						//label.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
+						label.setText(te.waveform.getFullName());
+						label.setFont(font);
+						GridData labelGridData = new GridData();
+						labelGridData.horizontalAlignment = GridData.FILL;
+						labelGridData.grabExcessHorizontalSpace = true;
+						label.setLayoutData(labelGridData);
+						return true;
+					}
+				return false;
+			}
+		});
 	}
 
 	/* (non-Javadoc)
@@ -418,17 +486,21 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 	 */
 	@Override
 	public void preferenceChange(PreferenceChangeEvent event) {
+		InstancePreferences pref = (InstancePreferences)event.getSource();
 		if (PreferenceConstants.DATABASE_RELOAD.equals(event.getKey())) {
-			checkForUpdates = (Boolean) event.getNewValue();
+			checkForUpdates = pref.getBoolean(PreferenceConstants.DATABASE_RELOAD, true);
 			fileChecker = null;
 			if (checkForUpdates)
 				fileChecker = fileMonitor.addFileChangeListener(WaveformViewer.this, filesToLoad,
 						FILE_CHECK_INTERVAL);
 			else
 				fileMonitor.removeFileChangeListener(this);
-		} else {
+		} else if (!PreferenceConstants.SHOW_HOVER.equals(event.getKey())){
 			setupColors();
 		}
+		try {
+			pref.flush();
+		} catch (BackingStoreException e) { }
 	}
 
 	/**
@@ -552,34 +624,40 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 	@Inject
 	@Optional
 	public void setPartInput(@Named("input") Object partInput, @Named("config") Object partConfig) {
-		if (partInput instanceof File) {
+		if (partInput instanceof String) {
+			String name = (String)partInput;
 			filesToLoad = new ArrayList<File>();
-			File file = (File) partInput;
-			if(file.isFile() && "CURRENT".equals(file.getName())){
-				file=file.getParentFile();
-			}
-			if (file.exists()) {
-				filesToLoad.add(file);
-				try {
-					String ext = getFileExtension(file.getName());
-					if (Messages.WaveformViewer_19.equals(ext.toLowerCase())) {
-						if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_20)))) {
-							filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_20)));
-						} else if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_21)))) {
-							filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_21)));
-						} else if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_22)))) {
-							filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_22)));
-						}
-					} else if (Messages.WaveformViewer_20.equals(ext.toLowerCase()) || 
-								Messages.WaveformViewer_21.equals(ext.toLowerCase()) ||
-								Messages.WaveformViewer_22.equals(ext.toLowerCase())
-							) {
-						if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_19)))) {
-							filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_19)));
-						}
-					}
-				} catch (IOException e) { // silently ignore any error
+			boolean explicit = name.contains(",");
+			for(String tok: name.split(",")) {
+				File file = new File(tok);
+				if(file.isFile() && "CURRENT".equals(file.getName())){
+					file=file.getParentFile();
 				}
+				if (file.exists()) {
+					filesToLoad.add(file);
+				}
+				if(!explicit)
+					try {
+						String ext = getFileExtension(file.getName());
+						if (Messages.WaveformViewer_19.equals(ext.toLowerCase())) {
+							if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_20)))) {
+								filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_20)));
+							} else if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_21)))) {
+								filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_21)));
+							} else if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_22)))) {
+								filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_22)));
+							}
+						} else if (Messages.WaveformViewer_20.equals(ext.toLowerCase()) || 
+									Messages.WaveformViewer_21.equals(ext.toLowerCase()) ||
+									Messages.WaveformViewer_22.equals(ext.toLowerCase())
+								) {
+							if (askIfToLoad(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_19)))) {
+								filesToLoad.add(new File(renameFileExtension(file.getCanonicalPath(), Messages.WaveformViewer_19)));
+							}
+						}
+					} catch (IOException e) { // silently ignore any error
+					}
+
 			}
 			if (filesToLoad.size() > 0)
 				loadDatabase(persistedState);
@@ -616,8 +694,6 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 	}
 
 	public void saveState(String fileName){
-		
-				
 		Map<String, String> persistedState = new HashMap<>();
 		persistedState.put(DATABASE_FILE + "S", Integer.toString(filesToLoad.size())); //$NON-NLS-1$
 		Integer index = 0;
@@ -634,8 +710,6 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 				FileOutputStream out = new FileOutputStream(fileName);
                 props.store(out, "Written by SCViewer"); //$NON-NLS-1$
 			    out.close();
-			
-			
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
@@ -669,12 +743,9 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 	 * @param persistedState the persisted state
 	 */
 	protected void saveWaveformViewerState(Map<String, String> persistedState) {
-		Integer index;
-		boolean isStream = false;
 		persistedState.put(SHOWN_WAVEFORM + "S", Integer.toString(waveformPane.getStreamList().size())); //$NON-NLS-1$
-		index = 0;
+		Integer index = 0;
 		for (TrackEntry trackEntry : waveformPane.getStreamList()) {
-			if(trackEntry.isStream()) { isStream=true; }
 			persistedState.put(SHOWN_WAVEFORM + index, trackEntry.waveform.getFullName());
 			persistedState.put(SHOWN_WAVEFORM + index + VALUE_DISPLAY, trackEntry.valueDisplay.toString());
 			persistedState.put(SHOWN_WAVEFORM + index + WAVE_DISPLAY, trackEntry.waveDisplay.toString());
@@ -693,23 +764,24 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 		
 		// get selected transaction	of a stream	
 		ISelection selection = waveformPane.getSelection();
-		if (!selection.isEmpty() && isStream) {
+		if (!selection.isEmpty()) {
 			List<Object> t = getISelection(selection);
-			ITx tx = (ITx) t.get(0);
-			TrackEntry te = (TrackEntry) t.get(1);
-			// get transaction id
-			persistedState.put(SELECTED_TX_ID, Long.toString(tx.getId()));
-			//get TrackEntry name
-			String name = te.getStream().getFullName();
-			persistedState.put(SELECTED_TRACKENTRY_NAME, name);
+			if(t.get(0) instanceof ITx) {
+				ITx tx = (ITx) t.get(0);
+				TrackEntry te = (TrackEntry) t.get(1);
+				// get transaction id
+				persistedState.put(SELECTED_TX_ID, Long.toString(tx.getId()));
+				//get TrackEntry name
+				String name = te.getStream().getFullName();
+				persistedState.put(SELECTED_TRACKENTRY_NAME, name);
+			}
 		}
 	}
 
 	protected List<Object> getISelection(ISelection selection){
 	    List<Object> result = new LinkedList<Object> ();
 
-	    if ( selection instanceof IStructuredSelection )
-	    {
+	    if ( selection instanceof IStructuredSelection ) {
 	        Iterator<?> i = ((IStructuredSelection)selection).iterator();
 	        while (i.hasNext()){
 	            Object o = i.next ();
@@ -931,10 +1003,13 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 			Object first = selection.getFirstElement();
 			IWaveform stream = (first instanceof ITx) ? ((ITx) first).getStream() : (IWaveform) first;
 			TrackEntry trackEntry = waveformPane.getEntryForStream(stream);
-			int index = waveformPane.getStreamList().indexOf(trackEntry);
-			if (!insert)
-				index++;
-			waveformPane.getStreamList().addAll(index, streams);
+			if (insert) {
+				int index = waveformPane.getStreamList().indexOf(trackEntry);
+				waveformPane.getStreamList().addAll(index, streams);
+			} else {
+				waveformPane.getStreamList().addAll(streams);
+			}
+
 		}
 		setFocus();
 	}
@@ -1045,7 +1120,6 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 	 * Sets the zoom fit.
 	 */
 	public void setZoomFit() {
-
 		//actual max time of signal
 		long maxTime = waveformPane.getMaxTime();
 		

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/preferences/DefaultValuesInitializer.java

@@ -11,15 +11,14 @@
 package com.minres.scviewer.e4.application.preferences;
 
 import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
-import org.eclipse.core.runtime.preferences.InstanceScope;
-import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.core.runtime.preferences.DefaultScope;
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;
 import org.eclipse.jface.resource.StringConverter;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.wb.swt.SWTResourceManager;
 
 import com.minres.scviewer.database.ui.WaveformColors;
-import com.opcoach.e4.preferences.ScopedPreferenceStore;
 
 /**
  * The Class DefaultValuesInitializer.
@@ -64,12 +63,22 @@ public class DefaultValuesInitializer extends AbstractPreferenceInitializer {
 	 */
 	@Override
 	public void initializeDefaultPreferences() {
-		IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, PreferenceConstants.PREFERENCES_SCOPE);
-
-		store.setDefault(PreferenceConstants.DATABASE_RELOAD, true);
-        for (WaveformColors c : WaveformColors.values()) {
-        	 store.setDefault(c.name()+"_COLOR", StringConverter.asString(colors[c.ordinal()].getRGB())); //$NON-NLS-1$
-        }
+		IEclipsePreferences node = DefaultScope.INSTANCE.getNode(PreferenceConstants.PREFERENCES_SCOPE);
+		if (node != null)
+		{
+			node.putBoolean(PreferenceConstants.DATABASE_RELOAD, true);
+			node.putBoolean(PreferenceConstants.SHOW_HOVER, true);
+	        for (WaveformColors c : WaveformColors.values()) {
+	        	node.put(c.name()+"_COLOR", StringConverter.asString(colors[c.ordinal()].getRGB())); //$NON-NLS-1$
+	        }
+		}		
+//		IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, PreferenceConstants.PREFERENCES_SCOPE);
+//
+//		store.setDefault(PreferenceConstants.DATABASE_RELOAD, true);
+//		store.setDefault(PreferenceConstants.SHOW_HOVER, true);
+//        for (WaveformColors c : WaveformColors.values()) {
+//        	 store.setDefault(c.name()+"_COLOR", StringConverter.asString(colors[c.ordinal()].getRGB())); //$NON-NLS-1$
+//        }
 	}
 
 }

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/preferences/PreferenceConstants.java

@@ -21,6 +21,9 @@ public class PreferenceConstants {
 	/** The Constant DATABASE_RELOAD. */
 	public static final String DATABASE_RELOAD="databaseReload"; //$NON-NLS-1$
 	
+	/** The Constant DATABASE_RELOAD. */
+	public static final String SHOW_HOVER="showWaveformHover"; //$NON-NLS-1$
+	
 	/** The Constant LINE_COLOR. */
 	public static final String LINE_COLOR="LINE_COLOR"; //$NON-NLS-1$
 	

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/preferences/PreferencesStoreProvider.java

@@ -0,0 +1,18 @@
+package com.minres.scviewer.e4.application.preferences;
+import org.eclipse.core.runtime.preferences.ConfigurationScope;
+import org.eclipse.jface.preference.IPreferenceStore;
+
+import com.opcoach.e4.preferences.IPreferenceStoreProvider;
+import com.opcoach.e4.preferences.ScopedPreferenceStore;
+
+public class PreferencesStoreProvider implements IPreferenceStoreProvider{
+
+	public PreferencesStoreProvider(){
+	}
+
+	@Override
+	public IPreferenceStore getPreferenceStore() {
+		return new ScopedPreferenceStore(ConfigurationScope.INSTANCE, PreferenceConstants.PREFERENCES_SCOPE);
+	}
+
+}

com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/preferences/SCViewerPreferencesPage.java

@@ -36,6 +36,8 @@ public class SCViewerPreferencesPage extends FieldEditorPreferencePage {
 
 		addField(new BooleanFieldEditor(PreferenceConstants.DATABASE_RELOAD, Messages.SCViewerPreferencesPage_0,
 				getFieldEditorParent()));
+		addField(new BooleanFieldEditor(PreferenceConstants.SHOW_HOVER, Messages.SCViewerPreferencesPage_1,
+				getFieldEditorParent()));
 
 	}
 

com.minres.scviewer.e4.product/pom.xml

@@ -10,7 +10,7 @@
 		<relativePath>../com.minres.scviewer.parent</relativePath>
 	</parent>
 	<artifactId>com.minres.scviewer.e4.product</artifactId>
-  	<version>2.1.6-SNAPSHOT</version>
+  	<version>2.4.1-SNAPSHOT</version>
 	<packaging>eclipse-repository</packaging>
 	<groupId>com.minres.scviewer</groupId>
 	<build>

com.minres.scviewer.e4.product/scviewer.product

@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?pde version="3.5"?>
 
-<product name="SCViewer" uid="scviewer" id="com.minres.scviewer.e4.application.product" application="org.eclipse.e4.ui.workbench.swt.E4Application" version="2.1.6.qualifier" useFeatures="false" includeLaunchers="true">
+<product name="SCViewer" uid="scviewer" id="com.minres.scviewer.e4.application.product" application="org.eclipse.e4.ui.workbench.swt.E4Application" version="2.4.1.qualifier" useFeatures="false" includeLaunchers="true">
+
 
    <configIni use="default">
    </configIni>
 
    <launcherArgs>
-      <programArgs>-clearPersistedState -data @none
+      <programArgs>-clearPersistedState
       </programArgs>
       <vmArgs>-Xmx2G
       </vmArgs>
@@ -33,6 +34,7 @@
       </win>
    </launcher>
 
+
    <vm>
       <linux include="false">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8</linux>
       <macos include="false">org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8</macos>
@@ -47,7 +49,6 @@
       <plugin id="com.google.guava"/>
       <plugin id="com.ibm.icu"/>
       <plugin id="com.minres.scviewer.database"/>
-      <plugin id="com.minres.scviewer.database.leveldb"/>
       <plugin id="com.minres.scviewer.database.sqlite"/>
       <plugin id="com.minres.scviewer.database.text"/>
       <plugin id="com.minres.scviewer.database.ui"/>

com.minres.scviewer.parent/pom.xml

@@ -12,7 +12,7 @@
 		<module>../com.minres.scviewer.database.sqlite</module>
 		<module>../com.minres.scviewer.database.text</module>
 		<module>../com.minres.scviewer.database.vcd</module>
-		<module>../com.minres.scviewer.database.leveldb</module>
+<!-- 		<module>../com.minres.scviewer.database.leveldb</module> -->
 		<module>../com.minres.scviewer.database.test</module>
 		<module>../com.minres.scviewer.database.ui</module>
 		<module>../com.minres.scviewer.database.ui.swt</module>

com.opcoach.e4.preferences/src/com/opcoach/e4/preferences/internal/E4PreferenceRegistry.java

@@ -46,6 +46,7 @@ public class E4PreferenceRegistry
 
 	public static final String PREFS_PAGE_XP = "com.opcoach.e4.preferences.e4PreferencePages"; // $NON-NLS-1$
 	public static final String PREF_STORE_PROVIDER = "com.opcoach.e4.preferences.e4PreferenceStoreProvider"; // $NON-NLS-1$
+	public static final String KEY_PREF_STORE_PROVIDERS = "com.opcoach.e4.preferences.e4PreferenceStoreProviders"; // $NON-NLS-1$
 	protected static final String ELMT_PAGE = "page"; // $NON-NLS-1$
 	protected static final String ATTR_ID = "id"; // $NON-NLS-1$
 	protected static final String ATTR_CATEGORY = "category"; // $NON-NLS-1$
@@ -235,6 +236,7 @@ public class E4PreferenceRegistry
 			IContributionFactory factory = context.get(IContributionFactory.class);
 
 			psProviders = new HashMap<String, Object>();
+			IExtensionRegistry registry = context.get(IExtensionRegistry.class);
 
 			// Read extensions and fill the map...
 			for (IConfigurationElement elmt : registry.getConfigurationElementsFor(PREF_STORE_PROVIDER))
@@ -261,7 +263,7 @@ public class E4PreferenceRegistry
 				Object data = objectId;
 				if (classname != null)
 				{
-					data = factory.create(classname, context);
+					data = factory.create("bundleclass://"+declaringBundle+"/"+classname, context);
 					if (!(data instanceof IPreferenceStoreProvider))
 					{
 						logger.warn("In extension " + PREF_STORE_PROVIDER + " the class must implements IPreferenceStoreProvider. Check the plugin " + declaringBundle);
@@ -272,6 +274,8 @@ public class E4PreferenceRegistry
 				psProviders.put(pluginId, data);
 
 			}
+			
+			context.set(KEY_PREF_STORE_PROVIDERS, psProviders);
 		}
 	}