wip #34 - final edits to R820T tuner configuration editor and introduced

frequency correction to the airspy tuner configuration.

src/source/recording/Recording.java

@@ -38,7 +38,7 @@ public class Recording implements Comparable<Recording>,
 	public void setAlias( String alias )
 	{
 		mConfiguration.setAlias( alias );
-		mSettingsManager.save();
+//		mSettingsManager.save();
 	}
 	
 	public void setRecordingFile( File file ) throws SourceException
@@ -51,7 +51,7 @@ public class Recording implements Comparable<Recording>,
 		}
 		
 		mConfiguration.setFilePath( file.getAbsolutePath() );
-		mSettingsManager.save();
+//		mSettingsManager.save();
 	}
 	
 	/**
@@ -96,7 +96,7 @@ public class Recording implements Comparable<Recording>,
 			
 			mConfiguration.setCenterFrequency( frequency );
 			
-			mSettingsManager.save();
+//			mSettingsManager.save();
 
 			mCenterFrequency = frequency;
 

src/source/tuner/TunerEditor.java

@@ -10,6 +10,7 @@ import java.awt.event.ActionListener;
 
 import javax.swing.JButton;
 import javax.swing.JLabel;
+import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTable;
@@ -43,8 +44,9 @@ public class TunerEditor extends Editor<Tuner>
 	private JLabel mSelectedTunerType = new JLabel( "No Tuner Selected" );
 	private JButton mNewConfigurationButton = new JButton( "New" );
 	private JButton mDeleteConfigurationButton = new JButton( "Delete" );
+	private JButton mAssignConfigurationButton = new JButton( "Assign" );
 	private JScrollPane mEditorScroller;
-	private Editor<TunerConfiguration> mEditor = new EmptyEditor<>();
+	private Editor<TunerConfiguration> mEditor = new EmptyEditor<>( "a tuner" );
 	private JideSplitPane mEditorSplitPane = new JideSplitPane();
 	
 	public TunerEditor( TunerConfigurationModel tunerConfigurationModel )
@@ -58,7 +60,7 @@ public class TunerEditor extends Editor<Tuner>
 		setLayout( new MigLayout( "insets 0 0 0 0", "[grow,fill]", "[grow,fill]" ) );
 
 		JPanel listPanel = new JPanel();
-		listPanel.setLayout( new MigLayout( "fill,wrap 2", "[grow,fill]", "[][][][grow,fill][]" ) );
+		listPanel.setLayout( new MigLayout( "fill,wrap 3", "[grow,fill]", "[][][][grow,fill][]" ) );
 
 		listPanel.add( mSelectedTunerType, "span" );
 		
@@ -84,7 +86,7 @@ public class TunerEditor extends Editor<Tuner>
 
 						if( modelRow >= 0 )
 						{
-							setConfigurationEditor( mTunerConfigurationModel.getTunerConfiguration( modelRow ) );
+							setTunerConfiguration( mTunerConfigurationModel.getTunerConfiguration( modelRow ) );
 						}
 					}
 				}
@@ -118,8 +120,39 @@ public class TunerEditor extends Editor<Tuner>
 		listPanel.add( mNewConfigurationButton );
 
 		mDeleteConfigurationButton.setEnabled( false );
+		mDeleteConfigurationButton.addActionListener( new ActionListener()
+		{
+			@Override
+			public void actionPerformed( ActionEvent e )
+			{
+				int choice = JOptionPane.showConfirmDialog( TunerEditor.this, 
+						"Do you want to delete this tuner configuration?", 
+						"Delete Tuner Configuration?", JOptionPane.YES_NO_OPTION );
+				
+				if( choice == JOptionPane.YES_OPTION )
+				{
+					TunerConfiguration selected = getSelectedTunerConfiguration();
+					
+					mTunerConfigurationModel.removeTunerConfiguration( selected );
+				}
+			}
+		} );
 		listPanel.add( mDeleteConfigurationButton );
 		
+		mAssignConfigurationButton.setEnabled( false );
+		mAssignConfigurationButton.addActionListener( new ActionListener()
+		{
+			@Override
+			public void actionPerformed( ActionEvent e )
+			{
+				TunerConfiguration selected = getSelectedTunerConfiguration();
+				
+				mTunerConfigurationModel.assignTunerConfiguration( selected );
+				setTunerConfiguration( getSelectedTunerConfiguration() );
+			}
+		} );
+		listPanel.add( mAssignConfigurationButton );
+		
 		//Set preferred size on both scrollers to same width, so they split the space
 		listPanel.setPreferredSize( new Dimension( 100, 80 ) );
 		JScrollPane listScroller = new JScrollPane( listPanel );
@@ -135,6 +168,23 @@ public class TunerEditor extends Editor<Tuner>
 		add( mEditorSplitPane );
 	}
 	
+	private TunerConfiguration getSelectedTunerConfiguration()
+	{
+		int tableRow = mTunerConfigurationTable.getSelectedRow();
+		
+		if( tableRow >= 0 )
+		{
+			int modelRow = mTunerConfigurationTable.convertRowIndexToModel( tableRow );
+			
+			if( modelRow >= 0 )
+			{
+				return mTunerConfigurationModel.getTunerConfiguration( modelRow );
+			}
+		}
+
+		return null;
+	}
+	
 	@Override
 	public void save()
 	{
@@ -161,8 +211,11 @@ public class TunerEditor extends Editor<Tuner>
 			mTunerConfigurationTable.setEnabled( true );
 			mNewConfigurationButton.setEnabled( true );
 
-			mRowSorter.setRowFilter( new ConfigurationRowFilter( 
-					tuner.getTunerType(), tuner.getUniqueID() ) );
+			//Change to an editor for this config's tuner type
+	        mEditor = TunerConfigurationFactory.getEditor( getItem(), mTunerConfigurationModel );
+		        
+			mRowSorter.setRowFilter( new ConfigurationRowFilter( tuner.getTunerType(), 
+					tuner.getUniqueID() ) );
 
 			TunerConfiguration assigned = mTunerConfigurationModel
 				.getTunerConfiguration( tuner.getTunerType(), tuner.getUniqueID() );
@@ -190,9 +243,6 @@ public class TunerEditor extends Editor<Tuner>
 	        //Set the displayed frequency without adjusting the tuner's frequency
 	        mFrequencyControl.setFrequency( 
 	        		tuner.getTunerController().getFrequency(), false );
-	        
-	        mEditor = TunerConfigurationFactory
-        		.getEditor( getItem(), mTunerConfigurationModel );
 		}
 		else
 		{
@@ -212,13 +262,32 @@ public class TunerEditor extends Editor<Tuner>
 		mEditorSplitPane.setDividerLocation( 0, split );
 	}
 	
-	private void setConfigurationEditor( TunerConfiguration config )
+	private void setTunerConfiguration( TunerConfiguration config )
 	{
 		if( config != null )
 		{
-			if( !mDeleteConfigurationButton.isEnabled() )
+			if( !config.isAssigned() )
 			{
-				mDeleteConfigurationButton.setEnabled( true );
+				if( !mAssignConfigurationButton.isEnabled() )
+				{
+					mAssignConfigurationButton.setEnabled( true );
+				}
+				if( !mDeleteConfigurationButton.isEnabled() )
+				{
+					mDeleteConfigurationButton.setEnabled( true );
+				}
+			}
+			else
+			{
+				if( mAssignConfigurationButton.isEnabled() )
+				{
+					mAssignConfigurationButton.setEnabled( false );
+				}
+				
+				if( mDeleteConfigurationButton.isEnabled() )
+				{
+					mDeleteConfigurationButton.setEnabled( false );
+				}
 			}
 		}
 		else
@@ -227,6 +296,11 @@ public class TunerEditor extends Editor<Tuner>
 			{
 				mDeleteConfigurationButton.setEnabled( false );
 			}
+			
+			if( mAssignConfigurationButton.isEnabled() )
+			{
+				mAssignConfigurationButton.setEnabled( false );
+			}
 		}
 		
 		mEditor.setItem( config );

src/source/tuner/airspy/AirspyTunerConfiguration.java

@@ -30,6 +30,7 @@ public class AirspyTunerConfiguration extends TunerConfiguration
 	private int mIFGain = AirspyTunerController.IF_GAIN_DEFAULT;
 	private int mMixerGain = AirspyTunerController.MIXER_GAIN_DEFAULT;
 	private int mLNAGain = AirspyTunerController.LNA_GAIN_DEFAULT;
+	private double mFrequencyCorrection = 0.0d;
 	
 	private boolean mMixerAGC = false;
 	private boolean mLNAAGC = false;
@@ -128,4 +129,16 @@ public class AirspyTunerConfiguration extends TunerConfiguration
 	{
 		mLNAAGC = enabled;
 	}
+
+	@XmlAttribute( name = "frequency_correction" )
+	public double getFrequencyCorrection()
+	{
+		return mFrequencyCorrection;
+	}
+	
+	public void setFrequencyCorrection( double value )
+	{
+		mFrequencyCorrection = value;
+	}
+
 }

src/source/tuner/airspy/AirspyTunerConfigurationPanel.java

@@ -21,7 +21,6 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
-import java.util.ArrayList;
 import java.util.List;
 
 import javax.swing.ComboBoxModel;
@@ -47,11 +46,8 @@ import org.usb4java.LibUsbException;
 
 import settings.SettingsManager;
 import source.SourceException;
-import source.tuner.TunerType;
 import source.tuner.airspy.AirspyTunerController.Gain;
 import source.tuner.airspy.AirspyTunerController.GainMode;
-import source.tuner.configuration.TunerConfiguration;
-import source.tuner.configuration.TunerConfigurationAssignment;
 
 public class AirspyTunerConfigurationPanel extends JPanel
 {
@@ -119,7 +115,7 @@ public class AirspyTunerConfigurationPanel extends JPanel
         mComboConfigurations.setModel( getModel() );
 
         /* Determine which tuner configuration should be selected/displayed */
-        TunerConfigurationAssignment savedConfig = null;
+//        TunerConfigurationAssignment savedConfig = null;
         String serial = null;
 
         serial = mController.getDeviceInfo().getSerialNumber();
@@ -130,11 +126,11 @@ public class AirspyTunerConfigurationPanel extends JPanel
 //    				TunerType.AIRSPY_R820T, serial );
         }
         
-        if( savedConfig != null )
-        {
-        	mSelectedConfig = getNamedConfiguration( 
-        			savedConfig.getTunerConfigurationName() );
-        }
+//        if( savedConfig != null )
+//        {
+//        	mSelectedConfig = getNamedConfiguration( 
+//        			savedConfig.getTunerConfigurationName() );
+//        }
 
         /* If we couldn't determine the saved/selected config, use the first one */
         if( mSelectedConfig == null )
@@ -694,6 +690,6 @@ public class AirspyTunerConfigurationPanel extends JPanel
      */
     private void save()
     {
-    	mSettingsManager.save();
+//    	mSettingsManager.save();
     }
 }

src/source/tuner/configuration/TunerConfigurationAssignment.java

@@ -1,66 +0,0 @@
-/*******************************************************************************
- *     SDR Trunk 
- *     Copyright (C) 2014 Dennis Sheirer
- * 
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- * 
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- * 
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>
- ******************************************************************************/
-package source.tuner.configuration;
-
-import javax.xml.bind.annotation.XmlAttribute;
-
-import source.tuner.TunerType;
-
-public class TunerConfigurationAssignment
-{
-	private TunerType mTunerType;
-	private String mUniqueID;
-	private String mTunerConfigurationName;
-	
-	public TunerConfigurationAssignment()
-	{
-	}
-
-	@XmlAttribute( name = "type" )
-	public TunerType getTunerType()
-	{
-		return mTunerType;
-	}
-
-	public void setTunerType( TunerType tunerType )
-	{
-		mTunerType = tunerType;
-	}
-
-	@XmlAttribute( name = "id" )
-	public String getUniqueID()
-	{
-		return mUniqueID;
-	}
-
-	public void setUniqueID( String uniqueID )
-	{
-		mUniqueID = uniqueID;
-	}
-
-	@XmlAttribute( name = "configuration_name" )
-	public String getTunerConfigurationName()
-	{
-		return mTunerConfigurationName;
-	}
-
-	public void setTunerConfigurationName( String tunerConfigurationName )
-	{
-		mTunerConfigurationName = tunerConfigurationName;
-	}
-}

src/source/tuner/configuration/TunerConfigurationFactory.java

@@ -61,7 +61,6 @@ public class TunerConfigurationFactory
 				break;
     	}
     	
-    	return new EmptyEditor<TunerConfiguration>();
+    	return new EmptyEditor<TunerConfiguration>( "a tuner" );
     }
-	
 }

src/source/tuner/configuration/TunerConfigurationModel.java

@@ -23,12 +23,13 @@ public class TunerConfigurationModel extends AbstractTableModel
 	private static final int ASSIGNED = 2;
 	private static final String[] COLUMN_HEADERS = { "Tuner Type", "Name", "Assigned" };
 	
-	private List<Listener<TunerConfigurationEvent>> mConfigurationListeners = new ArrayList<>();
+	private List<Listener<TunerConfigurationEvent>> mConfigurationChangeListeners = 
+			new ArrayList<>();
 	private List<TunerConfiguration> mTunerConfigurations = new ArrayList<>();
 
 	/**
-	 * Table model for managing tuner configurations and tuner configuration
-	 * assignments.  Provides tuner configuration events to registered listeners
+	 * Table model for managing tuner configurations.  Provides tuner configuration events to 
+	 * registered listeners
 	 */
 	public TunerConfigurationModel()
 	{
@@ -115,7 +116,7 @@ public class TunerConfigurationModel extends AbstractTableModel
 	 */
 	public void addListener( Listener<TunerConfigurationEvent> listener )
 	{
-		mConfigurationListeners.add( listener );
+		mConfigurationChangeListeners.add( listener );
 	}
 
 	/**
@@ -123,7 +124,7 @@ public class TunerConfigurationModel extends AbstractTableModel
 	 */
 	public void removeListener( Listener<TunerConfigurationEvent> listener )
 	{
-		mConfigurationListeners.remove( listener );
+		mConfigurationChangeListeners.remove( listener );
 	}
 
 	/**
@@ -131,12 +132,44 @@ public class TunerConfigurationModel extends AbstractTableModel
 	 */
 	public void broadcast( TunerConfigurationEvent event )
 	{
-		for( Listener<TunerConfigurationEvent> listener: mConfigurationListeners )
+		for( Listener<TunerConfigurationEvent> listener: mConfigurationChangeListeners )
 		{
 			listener.receive( event );
 		}
 	}
 
+	/**
+	 * Designates the configuration argument as the currently assigned configuration and unassigns
+	 * any other configurations with the same tuner type and unique ID.
+	 */
+	public void assignTunerConfiguration( TunerConfiguration configToAssign )
+	{
+		if( configToAssign != null )
+		{
+			List<TunerConfiguration> configs = 
+					getTunerConfigurations( configToAssign.getTunerType(), configToAssign.getUniqueID() );
+			
+			for( TunerConfiguration config: configs )
+			{
+				if( config.isAssigned() )
+				{
+					mLog.debug( "Unassigning: " + config.getName() );
+					config.setAssigned( false );
+					
+					int index = mTunerConfigurations.indexOf( config );
+					fireTableCellUpdated( index, ASSIGNED );
+					broadcast( new TunerConfigurationEvent( config, Event.CHANGE ) );
+				}
+			}
+			
+			mLog.debug( "Assigning: " + configToAssign.getName() );
+			configToAssign.setAssigned( true );
+			int index = mTunerConfigurations.indexOf( configToAssign );
+			fireTableCellUpdated( index, ASSIGNED );
+			broadcast( new TunerConfigurationEvent( configToAssign, Event.CHANGE ) );
+		}
+	}
+
 	/**
 	 * Returns the tuner configuration that is assigned to the tuner with the 
 	 * tuner type and uniqueID, or selects the first existing configuration that

src/source/tuner/fcd/proV1/FCD1TunerConfigurationPanel.java

@@ -557,7 +557,7 @@ public class FCD1TunerConfigurationPanel extends JPanel
     
     private void save()
     {
-    	mSettingsManager.save();
+//    	mSettingsManager.save();
     }
     
     public enum Correction { GAIN, PHASE, DC_INPHASE, DC_QUADRATURE };

src/source/tuner/fcd/proplusV2/FCD2TunerConfigurationPanel.java

@@ -23,7 +23,6 @@ import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.text.DecimalFormat;
-import java.util.ArrayList;
 
 import javax.swing.ComboBoxModel;
 import javax.swing.DefaultComboBoxModel;
@@ -48,9 +47,6 @@ import org.slf4j.LoggerFactory;
 
 import settings.SettingsManager;
 import source.SourceException;
-import source.tuner.TunerType;
-import source.tuner.configuration.TunerConfiguration;
-import source.tuner.configuration.TunerConfigurationAssignment;
 
 public class FCD2TunerConfigurationPanel extends JPanel
 {
@@ -375,6 +371,6 @@ public class FCD2TunerConfigurationPanel extends JPanel
     
     private void save()
     {
-    	mSettingsManager.save();
+//    	mSettingsManager.save();
     }
 }

src/source/tuner/hackrf/HackRFTunerConfigurationPanel.java

@@ -23,7 +23,6 @@ import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.text.DecimalFormat;
-import java.util.ArrayList;
 
 import javax.swing.BorderFactory;
 import javax.swing.ComboBoxModel;
@@ -50,9 +49,6 @@ import org.slf4j.LoggerFactory;
 
 import settings.SettingsManager;
 import source.SourceException;
-import source.tuner.TunerType;
-import source.tuner.configuration.TunerConfiguration;
-import source.tuner.configuration.TunerConfigurationAssignment;
 import source.tuner.hackrf.HackRFTunerController.HackRFLNAGain;
 import source.tuner.hackrf.HackRFTunerController.HackRFSampleRate;
 import source.tuner.hackrf.HackRFTunerController.HackRFVGAGain;
@@ -105,7 +101,7 @@ public class HackRFTunerConfigurationPanel extends JPanel
         mComboConfigurations.setModel( getModel() );
 
         /* Determine which tuner configuration should be selected/displayed */
-        TunerConfigurationAssignment savedConfig = null;
+//        TunerConfigurationAssignment savedConfig = null;
         String serial = null;
         
         try
@@ -122,12 +118,12 @@ public class HackRFTunerConfigurationPanel extends JPanel
 //            savedConfig = mSettingsManager.getSelectedTunerConfiguration( 
 //    				TunerType.HACKRF, serial );
 //        }
-        
-        if( savedConfig != null )
-        {
-        	mSelectedConfig = getNamedConfiguration( 
-        			savedConfig.getTunerConfigurationName() );
-        }
+//        
+//        if( savedConfig != null )
+//        {
+//        	mSelectedConfig = getNamedConfiguration( 
+//        			savedConfig.getTunerConfigurationName() );
+//        }
 
         /* If we couldn't determine the saved/selected config, use the first one */
         if( mSelectedConfig == null )
@@ -556,6 +552,6 @@ public class HackRFTunerConfigurationPanel extends JPanel
      */
     private void save()
     {
-    	mSettingsManager.save();
+//    	mSettingsManager.save();
     }
 }

src/source/tuner/rtl/e4k/E4KTunerConfigurationPanel.java

@@ -23,7 +23,6 @@ import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.text.DecimalFormat;
-import java.util.ArrayList;
 
 import javax.swing.BorderFactory;
 import javax.swing.ComboBoxModel;
@@ -50,9 +49,6 @@ import org.usb4java.LibUsbException;
 
 import settings.SettingsManager;
 import source.SourceException;
-import source.tuner.TunerType;
-import source.tuner.configuration.TunerConfiguration;
-import source.tuner.configuration.TunerConfigurationAssignment;
 import source.tuner.rtl.RTL2832TunerController.SampleRate;
 import source.tuner.rtl.e4k.E4KTunerController.E4KEnhanceGain;
 import source.tuner.rtl.e4k.E4KTunerController.E4KGain;
@@ -686,6 +682,6 @@ public class E4KTunerConfigurationPanel extends JPanel
      */
     private void save()
     {
-    	mSettingsManager.save();
+//    	mSettingsManager.save();
     }
 }

src/source/tuner/rtl/r820t/R820TTunerConfigurationEditorOld.java

@@ -23,7 +23,6 @@ import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.text.DecimalFormat;
-import java.util.ArrayList;
 
 import javax.swing.BorderFactory;
 import javax.swing.ComboBoxModel;
@@ -50,9 +49,6 @@ import org.usb4java.LibUsbException;
 
 import settings.SettingsManager;
 import source.SourceException;
-import source.tuner.TunerType;
-import source.tuner.configuration.TunerConfiguration;
-import source.tuner.configuration.TunerConfigurationAssignment;
 import source.tuner.rtl.RTL2832TunerController.SampleRate;
 import source.tuner.rtl.r820t.R820TTunerController.R820TGain;
 import source.tuner.rtl.r820t.R820TTunerController.R820TLNAGain;
@@ -694,6 +690,6 @@ public class R820TTunerConfigurationEditorOld extends JPanel
      */
     private void save()
     {
-    	mSettingsManager.save();
+//    	mSettingsManager.save();
     }
 }

src/source/tuner/rtl/r820t/R820TTunerEditor.java

@@ -17,18 +17,15 @@
  ******************************************************************************/
 package source.tuner.rtl.r820t;
 
-import java.awt.EventQueue;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.text.DecimalFormat;
 
-import javax.swing.BorderFactory;
 import javax.swing.JComboBox;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
-import javax.swing.JPanel;
 import javax.swing.JSeparator;
 import javax.swing.JSpinner;
 import javax.swing.JTextField;
@@ -76,6 +73,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
     private JComboBox<R820TLNAGain> mComboLNAGain;
     private JComboBox<R820TVGAGain> mComboVGAGain;
     private JComboBox<SampleRate> mComboSampleRate;
+    private boolean mLoading;
 
     public R820TTunerEditor( TunerConfigurationModel tunerConfigurationModel, 
     						 RTL2832Tuner tuner )
@@ -95,7 +93,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
 	@Override
 	public void save()
 	{
-    	if( hasItem() )
+    	if( hasItem() && !mLoading )
     	{
     		R820TTunerConfiguration config = getConfiguration();
 
@@ -133,14 +131,73 @@ public class R820TTunerEditor extends TunerConfigurationEditor
 		{
 			R820TTunerConfiguration config = getConfiguration();
 			
-			mConfigurationName.setText( config.getName() );
-	        mFrequencyCorrection.setValue( config.getFrequencyCorrection() );
-	        mComboSampleRate.setSelectedItem( config.getSampleRate() );
-	        mComboMasterGain.setSelectedItem( config.getMasterGain() );
-	        mComboMixerGain.setSelectedItem( config.getMixerGain() );
-	        mComboLNAGain.setSelectedItem( config.getLNAGain() );
-	        mComboVGAGain.setSelectedItem( config.getVGAGain() );
+			//Toggle loading so that we don't fire a change event and schedule a settings file save
+			mLoading = true;
+			
+			if( item.isAssigned() )
+			{
+				setControlsEnabled( true );
+				mConfigurationName.setText( config.getName() );
+		        mFrequencyCorrection.setValue( config.getFrequencyCorrection() );
+		        mComboSampleRate.setSelectedItem( config.getSampleRate() );
+		        mComboMasterGain.setSelectedItem( config.getMasterGain() );
+		        mComboMixerGain.setSelectedItem( config.getMixerGain() );
+		        mComboLNAGain.setSelectedItem( config.getLNAGain() );
+		        mComboVGAGain.setSelectedItem( config.getVGAGain() );
+			}
+			else
+			{
+				setControlsEnabled( false );
+				mConfigurationName.setText( config.getName() );
+			}
+	        
+			mLoading = false;
 		}
+		else
+		{
+			setControlsEnabled( false );
+			mConfigurationName.setText( "" );
+		}
+	}
+	/**
+	 * Sets each of the tuner configuration controls to the enabled argument state
+	 */
+	private void setControlsEnabled( boolean enabled )
+	{
+		if( mConfigurationName.isEnabled() != enabled )
+		{
+			mConfigurationName.setEnabled( enabled );
+		}
+		
+		if( mFrequencyCorrection.isEnabled() != enabled )
+		{
+			mFrequencyCorrection.setEnabled( enabled );
+		}
+
+        if( mComboSampleRate.isEnabled() != enabled )
+        {
+        	mComboSampleRate.setEnabled( enabled );
+        }
+
+        if( mComboMasterGain.isEnabled() != enabled )
+        {
+        	mComboMasterGain.setEnabled( enabled );
+        }
+
+        if( mComboMixerGain.isEnabled() != enabled )
+        {
+        	mComboMixerGain.setEnabled( enabled );
+        }
+        
+        if( mComboLNAGain.isEnabled() != enabled )
+        {
+        	mComboLNAGain.setEnabled( enabled );
+        }
+        
+        if( mComboVGAGain.isEnabled() != enabled )
+        {
+        	mComboVGAGain.setEnabled( enabled );
+        }
 	}
 	
 	private R820TTunerConfiguration getConfiguration()
@@ -164,6 +221,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
 		 * Tuner Configuration Name
 		 */
 		mConfigurationName = new JTextField();
+		mConfigurationName.setEnabled( false );
 		mConfigurationName.addFocusListener( new FocusListener() 
 		{
 			@Override
@@ -179,6 +237,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
 		add( mConfigurationName, "span,grow" );
 		
         mComboSampleRate = new JComboBox<>( SampleRate.values() );
+        mComboSampleRate.setEnabled( false );
         mComboSampleRate.addActionListener( new ActionListener() 
         {
 			@Override
@@ -219,6 +278,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
                                             0.1 ); //step
 
         mFrequencyCorrection = new JSpinner( model );
+        mFrequencyCorrection.setEnabled( false );
 
         JSpinner.NumberEditor editor = 
         		(JSpinner.NumberEditor)mFrequencyCorrection.getEditor();  
@@ -258,7 +318,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
          */
         /* Master Gain Control */
         mComboMasterGain = new JComboBox<R820TGain>( R820TGain.values() );
-        
+        mComboMasterGain.setEnabled( false );
         mComboMasterGain.addActionListener( new ActionListener() 
         {
 			@Override
@@ -292,7 +352,7 @@ public class R820TTunerEditor extends TunerConfigurationEditor
 	                	mComboVGAGain.setEnabled( false );
 	                	mComboVGAGain.setSelectedItem( gain.getVGAGain() );
 	                }
-	                
+
 	                save();
                 }
                 catch ( UsbException e )
@@ -317,54 +377,49 @@ public class R820TTunerEditor extends TunerConfigurationEditor
 
         /* Mixer Gain Control */
         mComboMixerGain = new JComboBox<R820TMixerGain>( R820TMixerGain.values() );
+        mComboMixerGain.setEnabled( false );
         mComboMixerGain.addActionListener( new ActionListener() 
         {
 			@Override
             public void actionPerformed( ActionEvent arg0 )
             {
-				EventQueue.invokeLater( new Runnable() 
-				{
-					@Override
-                    public void run()
-                    {
-						try
-		                {
-							R820TMixerGain mixerGain = 
-									(R820TMixerGain)mComboMixerGain.getSelectedItem();
-							
-							if( mixerGain == null )
-							{
-								mixerGain = DEFAULT_GAIN.getMixerGain();
-							}
-							
-							if( mComboMixerGain.isEnabled() )
-							{
-								mController.setMixerGain( mixerGain, true );
-							}
+				try
+                {
+					R820TMixerGain mixerGain = 
+							(R820TMixerGain)mComboMixerGain.getSelectedItem();
+					
+					if( mixerGain == null )
+					{
+						mixerGain = DEFAULT_GAIN.getMixerGain();
+					}
+					
+					if( mComboMixerGain.isEnabled() )
+					{
+						mController.setMixerGain( mixerGain, true );
+					}
 
-			                save();
-		                }
-		                catch ( UsbException e )
-		                {
-		                	JOptionPane.showMessageDialog( R820TTunerEditor.this, 
-	                			"R820T Tuner Controller - couldn't apply the mixer "
-	                			+ "gain setting - " + e.getLocalizedMessage() );  
-		                	
-		                	mLog.error( "R820T Tuner Controller - couldn't apply mixer "
-		                			+ "gain setting - ", e );
-		                }
-                    }
-				} );
+	                save();
+                }
+                catch ( UsbException e )
+                {
+                	JOptionPane.showMessageDialog( R820TTunerEditor.this, 
+            			"R820T Tuner Controller - couldn't apply the mixer "
+            			+ "gain setting - " + e.getLocalizedMessage() );  
+                	
+                	mLog.error( "R820T Tuner Controller - couldn't apply mixer "
+                			+ "gain setting - ", e );
+                }
             }
         } );
         mComboMixerGain.setToolTipText( "<html>Mixer Gain.  Set master gain "
         		+ "to <b>MASTER</b> to enable adjustment</html>" );
-        mComboMixerGain.setEnabled( false );
+        
         add( new JLabel( "Mixer:" ) );
         add( mComboMixerGain );
 
         /* LNA Gain Control */
         mComboLNAGain = new JComboBox<R820TLNAGain>( R820TLNAGain.values() );
+        mComboLNAGain.setEnabled( false );
         mComboLNAGain.addActionListener( new ActionListener() 
         {
 			@Override
@@ -400,12 +455,13 @@ public class R820TTunerEditor extends TunerConfigurationEditor
         } );
         mComboLNAGain.setToolTipText( "<html>LNA Gain.  Set master gain "
         		+ "to <b>MANUAL</b> to enable adjustment</html>" );
-        mComboLNAGain.setEnabled( false );
+        
         add( new JLabel( "LNA:" ) );
         add( mComboLNAGain );
 
         /* VGA Gain Control */
         mComboVGAGain = new JComboBox<R820TVGAGain>( R820TVGAGain.values() );
+        mComboVGAGain.setEnabled( false );
         mComboVGAGain.addActionListener( new ActionListener() 
         {
 			@Override
@@ -441,7 +497,6 @@ public class R820TTunerEditor extends TunerConfigurationEditor
         } );
         mComboVGAGain.setToolTipText( "<html>VGA Gain.  Set master gain "
         		+ "to <b>MANUAL</b> to enable adjustment</html>" );
-        mComboVGAGain.setEnabled( false );
         add( new JLabel( "VGA:" ) );
         add( mComboVGAGain );
     }