apply UI fixes

* wrong arrow target of transaction
* wrong zomm factor calculation for zoom fit
* streams and waveforms not visible if at root level

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/ArrowPainter.java

@@ -110,46 +110,21 @@ public class ArrowPainter implements IPainter {
 	protected void deriveGeom(Collection<ITxRelation> relations, List<LinkEntry> res, boolean useTarget) {
 		for (ITxRelation iTxRelation : relations) {
 			ITx otherTx = useTarget ? iTxRelation.getTarget() : iTxRelation.getSource();
-			Rectangle bb = createLinkEntry(otherTx, otherTx.getStream());
-			if(bb!=null){
-				res.add(new LinkEntry(bb, iTxRelation.getRelationType()));
-				return;
-			} else {
-				for(IHierNode gen:otherTx.getStream().getChildNodes()) {
-					if(gen instanceof IWaveform) {
-						bb = createLinkEntry(otherTx, (IWaveform) gen);
-						if(bb!=null){
-							res.add(new LinkEntry(bb, iTxRelation.getRelationType()));
-							return;
-						}
-					}
-				}
-			}
-		}
-	}
-
-	private Rectangle createLinkEntry(ITx otherTx, IWaveform iWaveform) {
+			for(IWaveform iWaveform: new IWaveform[]{otherTx.getStream(), otherTx.getGenerator()}) {
 				if (waveCanvas.wave2painterMap.containsKey(iWaveform)) {
-			IWaveformPainter painter = waveCanvas.wave2painterMap.get(otherTx.getStream());
-			if(painter==null) {
-				for(IHierNode gen:otherTx.getStream().getChildNodes()) {
-					if(gen instanceof IWaveform) {
-						 painter = waveCanvas.wave2painterMap.get(gen);
-						 if(painter!=null)
-							 break;
-					}
-				}
-			}
+					IWaveformPainter painter = waveCanvas.wave2painterMap.get(iWaveform);
 					if(painter!=null) {
 						int height = waveCanvas.styleProvider.getTrackHeight();
-				return new Rectangle(
+						Rectangle bb = new Rectangle(
 								(int) (otherTx.getBeginTime() / scaleFactor),
 								waveCanvas.rulerHeight + painter.getVerticalOffset() + height * getConcurrencyIndex(otherTx),
 								(int) ((otherTx.getEndTime() - otherTx.getBeginTime()) / scaleFactor),
 								height);
+						res.add(new LinkEntry(bb, iTxRelation.getRelationType()));				
+					}
+				}
 			}
 		}
-		return null;
 	}
 
 	@Override

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

@@ -1035,14 +1035,19 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
 				
     	boolean foundZoom=false;
 		//try to find existing zoomlevel where scaleFactor*clientAreaWidth >= maxTime, if one is found set it as new zoomlevel
-		for (int level=0; level<Constants.UNIT_MULTIPLIER.length*Constants.UNIT_STRING.length; level++){
-			long scaleFactor = (long) Math.pow(10, level/2d);
-		    if(level%2==1) scaleFactor*=3;
+    	int magnitude_factor=1;
+    	for(int magnitude=0; magnitude<Constants.UNIT_STRING.length; magnitude++) {
+			for (int multiplier=0; multiplier<Constants.UNIT_MULTIPLIER.length; multiplier++){
+				int level = magnitude*Constants.UNIT_MULTIPLIER.length+multiplier;
+				long scaleFactor = Constants.UNIT_MULTIPLIER[multiplier]*magnitude_factor;
 			    if(scaleFactor*clientAreaWidth >= maxTime) {
 			    	setZoomLevel(level);
 			    	foundZoom=true;
 			    	break;
 			    }
+			}
+			if(foundZoom) break;
+			magnitude_factor*=1000;
     	}
 		//if no zoom level is found, set biggest one available
 		if(!foundZoom) setZoomLevel(Constants.UNIT_MULTIPLIER.length*Constants.UNIT_STRING.length-1);

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/provider/TxDbContentProvider.java

@@ -52,9 +52,7 @@ public class TxDbContentProvider implements ITreeContentProvider {
 	 */
 	@Override
 	public Object[] getElements(Object inputElement) {
-		if(tableEntries && inputElement instanceof IWaveformDb){
-			return new Object[]{};
-		}else if(inputElement instanceof IHierNode){
+		if(inputElement instanceof IHierNode){
 			// make a copy as the laoder might continue to add waveforms
 			ArrayList<IHierNode> nodes = new ArrayList<>(((IHierNode)inputElement).getChildNodes());
 			return  nodes.stream().filter(n ->

tests/com.minres.scviewer.database.test/inputs/my_ldb.txldb/CURRENT

@@ -1 +0,0 @@
-MANIFEST-000045

tests/com.minres.scviewer.database.test/inputs/my_ldb.txldb/LOG

@@ -1 +0,0 @@
-2018/11/03-15:38:59.715484 139851522529088Delete type=3 #1