Merge branch 'release/2.4.1'

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.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: 2.1.0.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>2.1.0-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/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

@@ -426,7 +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) {

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;
@@ -97,7 +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;
 
@@ -115,6 +117,8 @@ public class WaveformViewer implements IWaveformViewer  {
 
 	final WaveformCanvas waveformCanvas;
 
+	final ToolTipHandler toolTipHandler;
+	
 	private boolean revealSelected=false;
 	
 	private Composite top;
@@ -159,7 +163,7 @@ public class WaveformViewer implements IWaveformViewer  {
 			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);
@@ -248,7 +252,7 @@ public class WaveformViewer implements IWaveformViewer  {
 		protected long snapOffsetToEvent(Point p) {
 			long time= waveformCanvas.getTimeForOffset(p.x);
 			long scaling=5*waveformCanvas.getScaleFactor();
-			for(Object o:waveformCanvas.getClicked(p)){
+			for(Object o:waveformCanvas.getElementsAt(p)){
 				Entry<Long, ?> floorEntry=null, ceilEntry=null;
 				if(o instanceof TrackEntry){ 
 					TrackEntry entry = (TrackEntry) o;
@@ -417,6 +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) {
@@ -809,25 +816,41 @@ public class WaveformViewer implements IWaveformViewer  {
 			} else {
 				if (direction == GotoDirection.NEXT) {
 					Collection<ITxRelation>  outRel=currentTxSelection.getOutgoingRelations();
-					for(ITxRelation rel:outRel){
+					ITxRelation tx = selectTxToNavigateTo(outRel, relationType, true);
-						if(relationType.equals(rel.getRelationType())){
+					if(tx!=null) setSelection(new StructuredSelection(tx.getTarget()), true);
-							setSelection(new StructuredSelection(rel.getTarget()), true);
-							return;
-						}
-					}
 				} else if (direction == GotoDirection.PREV) {
 					Collection<ITxRelation>  inRel=currentTxSelection.getIncomingRelations();
-					for(ITxRelation rel:inRel){
+					ITxRelation tx = selectTxToNavigateTo(inRel, relationType, false);
-						if(relationType.equals(rel.getRelationType())){
+					if(tx!=null) setSelection(new StructuredSelection(tx.getSource()), true);
-							setSelection(new StructuredSelection(rel.getSource()), true);
-							return;
-						}
-					}
 				}
 			}
 		}
 	}
 
+	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)
 	 */
@@ -1130,6 +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);
@@ -1137,7 +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));
@@ -1150,7 +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)); 
 				}
 			}
 		});

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.e4.application/Application.e4xmi

@@ -123,17 +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">
@@ -156,6 +161,7 @@
   <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" elementId="com.minres.scviewer.e4.application.keybinding.quit" keySequence="M1+Q" command="_95PfvHNmEeWBq8z1Dv39LA">
       <tags>type:user</tags>
@@ -286,6 +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: 2.3.0.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.core.runtime;bundle-version="3.11.1",
-  org.eclipse.swt;bundle-version="3.104.1",
+ org.eclipse.swt;bundle-version="3.104.1",
-  org.eclipse.e4.ui.model.workbench;bundle-version="1.1.100",
+ org.eclipse.e4.ui.model.workbench;bundle-version="1.1.100",
-  org.eclipse.jface;bundle-version="3.11.0",
+ org.eclipse.jface;bundle-version="3.11.0",
-  org.eclipse.e4.ui.services;bundle-version="1.2.0",
+ org.eclipse.e4.ui.services;bundle-version="1.2.0",
-  org.eclipse.e4.ui.workbench;bundle-version="1.3.0",
+ org.eclipse.e4.ui.workbench;bundle-version="1.3.0",
-  org.eclipse.e4.core.di;bundle-version="1.5.0",
+ org.eclipse.e4.core.di;bundle-version="1.5.0",
-  org.eclipse.e4.ui.di;bundle-version="1.1.0",
+ org.eclipse.e4.ui.di;bundle-version="1.1.0",
-  org.eclipse.e4.core.contexts;bundle-version="1.4.0",
+ 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.swt;bundle-version="1.0.0",
-  com.minres.scviewer.database.ui,
+ com.minres.scviewer.database.ui,
-  com.minres.scviewer.database;bundle-version="1.0.0",
+ com.minres.scviewer.database;bundle-version="1.0.0",
-  org.eclipse.equinox.ds;bundle-version="1.4.300",
+ org.eclipse.equinox.ds;bundle-version="1.4.300",
-  org.eclipse.equinox.util;bundle-version="1.0.500",
+ org.eclipse.equinox.util;bundle-version="1.0.500",
-  org.eclipse.osgi.services;bundle-version="3.5.0",
+ org.eclipse.osgi.services;bundle-version="3.5.0",
-  org.eclipse.e4.core.services;bundle-version="2.0.0",
+ org.eclipse.e4.core.services;bundle-version="2.0.0",
-  org.eclipse.osgi.services;bundle-version="3.5.0",
+ org.eclipse.osgi.services;bundle-version="3.5.0",
-  org.eclipse.core.jobs,
+ org.eclipse.core.jobs,
-  org.eclipse.osgi,
+ org.eclipse.osgi,
-  com.google.guava,
+ com.google.guava,
-  org.eclipse.equinox.preferences,
+ org.eclipse.equinox.preferences,
-  org.eclipse.core.expressions,
+ org.eclipse.core.expressions,
-  org.eclipse.e4.core.commands;bundle-version="0.11.0",
+ org.eclipse.e4.core.commands;bundle-version="0.11.0",
-  org.eclipse.e4.ui.workbench.addons.swt,
+ org.eclipse.e4.ui.workbench.addons.swt,
-  com.opcoach.e4.preferences,
+ com.opcoach.e4.preferences,
-  org.eclipse.e4.core.di.extensions,
+ org.eclipse.e4.core.di.extensions,
-  org.eclipse.e4.ui.css.swt.theme;bundle-version="0.10.0"
+ 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/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>2.3.0-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);
 					}
 				}
 			}
@@ -159,6 +159,8 @@ public class E4LifeCycle {
 		 */
 		public void openViewForFile(String 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); //$NON-NLS-1$
@@ -172,7 +174,7 @@ public class E4LifeCycle {
 		}
 
 		private String getFirstFileName(String name) {
-			if(name.contains(":")) {
+			if(name.contains(",")) {
 				String[] tokens = name.split(",");
 				return tokens[0];
 			} else

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

@@ -22,6 +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

@@ -32,7 +32,9 @@ 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()){

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

@@ -16,6 +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);
+		String productTitle = NLS.bind(Messages.AboutDialog_0, versionString);
-		styledText.setText(pt+copyrightText);
+		styledText.setText(productTitle+copyrightText);
 		styledText.setBackground(white);
 		styledText.setWordWrap(true);
 		styledText.setLeftMargin(5);

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

@@ -188,9 +188,9 @@ public class TransactionDetails {
 			}
 		});
 		// Pack the columns
-//		for (int i = 0, n = table.getColumnCount(); i < n; i++) {
+		//		for (int i = 0, n = table.getColumnCount(); i < n; i++) {
-//			table.getColumn(i).pack();
+		//			table.getColumn(i).pack();
-//		}
+		//		}
 
 		// Turn on the header and the lines
 		tree.setHeaderVisible(true);
@@ -375,8 +375,8 @@ public class TransactionDetails {
 	 */
 	String txToString(ITx tx){
 		StringBuilder sb = new StringBuilder();
-		sb.append("tx#").append(tx.getId()).append("[").append(timeToString(tx.getBeginTime())). //$NON-NLS-1$ //$NON-NLS-2$
+		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(" - ").append(timeToString(tx.getEndTime())).append("]"); //$NON-NLS-1$ //$NON-NLS-2$
 		return sb.toString();
 	}
 
@@ -491,10 +491,10 @@ public class TransactionDetails {
 	 * The Enum Type.
 	 */
 	enum Type {/** The props. */
-PROPS, /** The attrs. */
+		PROPS, /** The attrs. */
- ATTRS, /** The in rel. */
+		ATTRS, /** The in rel. */
- IN_REL, /** The out rel. */
+		IN_REL, /** The out rel. */
- OUT_REL}
+		OUT_REL}
 
 	/**
 	 * The Class TreeNode.
@@ -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;
@@ -65,14 +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.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.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;
@@ -80,6 +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;
@@ -178,8 +197,8 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 
 	/** The prefs. */
 	@Inject
-	@Preference(nodePath = PreferenceConstants.PREFERENCES_SCOPE)
+	@Preference(value = ConfigurationScope.SCOPE, nodePath = PreferenceConstants.PREFERENCES_SCOPE)
-	IEclipsePreferences prefs;
+	protected IEclipsePreferences prefs;
 
 	@Inject @Optional DesignBrowser designBrowser;
 
@@ -366,6 +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)
@@ -373,17 +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) { }
 	}
 
 	/**

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.core.runtime.preferences.DefaultScope;
-import org.eclipse.jface.preference.IPreferenceStore;
+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);
+		IEclipsePreferences node = DefaultScope.INSTANCE.getNode(PreferenceConstants.PREFERENCES_SCOPE);
-
+		if (node != null)
-		store.setDefault(PreferenceConstants.DATABASE_RELOAD, true);
+		{
-        for (WaveformColors c : WaveformColors.values()) {
+			node.putBoolean(PreferenceConstants.DATABASE_RELOAD, true);
-        	 store.setDefault(c.name()+"_COLOR", StringConverter.asString(colors[c.ordinal()].getRGB())); //$NON-NLS-1$
+			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>2.3.0-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="2.3.0.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);
 		}
 	}