Fix updating info text on individual sweep param panels.

The listeners of the AbstractSweepModelBase is not used.
The notification when a parameter value changes is made directly
to the param listeners. So we remove the unsued listeners.
The filter params still need a listener, which we put.

Author: tinevez

src/main/java/fiji/plugin/trackmate/helper/model/AbstractSweepModelBase.java

@@ -24,7 +24,6 @@
 import java.util.Iterator;
 import java.util.Map;
 
-import org.scijava.listeners.Listeners;
 import org.scijava.plugin.SciJavaPlugin;
 
 import fiji.plugin.trackmate.Settings;
@@ -38,8 +37,6 @@ public interface ModelListener
 		public void modelChanged();
 	}
 
-	private final transient Listeners.List< ModelListener > modelListeners = new Listeners.SynchronizedList<>();
-
 	protected final String name;
 
 	protected final Map< String, AbstractParamSweepModel< ? > > models;
@@ -49,9 +46,6 @@ protected AbstractSweepModelBase( final String name, final Map< String, Abstract
 		super();
 		this.name = name;
 		this.models = models;
-
-		// Register models.
-		models.values().forEach( m -> m.listeners().add( () -> notifyListeners() ) );
 	}
 
 	public abstract Iterator< Settings > iterator( final Settings base, final int targetChannel );
@@ -65,15 +59,4 @@ public String getName()
 	{
 		return models;
 	}
-
-	public final Listeners.List< ModelListener > listeners()
-	{
-		return modelListeners;
-	}
-
-	protected final void notifyListeners()
-	{
-		for ( final ModelListener l : listeners().list )
-			l.modelChanged();
-	}
 }

src/main/java/fiji/plugin/trackmate/helper/model/ParameterSweepModel.java

@@ -42,6 +42,7 @@
 import fiji.plugin.trackmate.helper.model.AbstractSweepModelBase.ModelListener;
 import fiji.plugin.trackmate.helper.model.detector.DetectorSweepModel;
 import fiji.plugin.trackmate.helper.model.filter.FilterSweepModel;
+import fiji.plugin.trackmate.helper.model.parameter.AbstractParamSweepModel;
 import fiji.plugin.trackmate.helper.model.tracker.TrackerSweepModel;
 import fiji.plugin.trackmate.util.TMUtils;
 
@@ -95,10 +96,9 @@ void reRegisterListeners()
 
 	private void reRegisterListeners( final Collection< ? extends AbstractSweepModelBase > models, final ModelListener notifier )
 	{
-		models.forEach( m -> {
-			m.listeners().add( notifier );
-			m.models.values().forEach( sm -> sm.listeners().add( notifier ) );
-		} );
+		for ( final AbstractSweepModelBase sweepModel : models )
+			for ( final AbstractParamSweepModel< ? > paramModel : sweepModel.getModels().values() )
+				paramModel.listeners().add( notifier );
 	}
 
 	public Collection< DetectorSweepModel > detectorModels()

src/main/java/fiji/plugin/trackmate/helper/model/filter/FilterSweepModel.java

@@ -6,6 +6,8 @@
 import java.util.List;
 import java.util.Map;
 
+import org.scijava.listeners.Listeners;
+
 import fiji.plugin.trackmate.Dimension;
 import fiji.plugin.trackmate.Settings;
 import fiji.plugin.trackmate.features.FeatureFilter;
@@ -29,6 +31,8 @@ public class FilterSweepModel extends AbstractSweepModelBase implements Iterable
 
 	public static final String ISABOVE = "ISABOVE";
 
+	private final transient Listeners.List< ModelListener > modelListeners = new Listeners.SynchronizedList<>();
+
 	public FilterSweepModel( final TrackMateObject target, final Map< String, String > featureNames, final FeatureFilter filter, final int index )
 	{
 		this( target, featureNames, index );
@@ -40,6 +44,16 @@ public FilterSweepModel( final TrackMateObject target, final Map< String, String
 		super( "Filter on " + target.toString(), createModels( featureNames, index ) );
 	}
 
+	public final Listeners.List< ModelListener > listeners()
+	{
+		return modelListeners;
+	}
+
+	protected final void notifyListeners()
+	{
+		for ( final ModelListener l : listeners().list )
+			l.modelChanged();
+	}
 
 	/**
 	 * Sets this model to represent the single feature filter specified.

src/main/java/fiji/plugin/trackmate/helper/ui/ModuleParameterSweepPanel.java

@@ -124,7 +124,7 @@ public ModuleParameterSweepPanel( final AbstractSweepModel< ? > model, final Str
 			lblInfo.setText( str );
 		};
 		infoListener.modelChanged();
-		model.listeners().add( infoListener );
+		model.getModels().values().forEach( m -> m.listeners().add( infoListener ) );
 	}
 
 	public static final JPanel createPanelFor( final AbstractParamSweepModel< ? > cm, final String spaceUnits, final String timeUnits )