wip #34 - finished updating all channel configuration editors and

completed preliminary functional testing.

src/gui/control/JFrequencyControl.java

@@ -78,7 +78,7 @@ public class JFrequencyControl extends JPanel implements IFrequencyChangeProcess
 	
 	private void init()
 	{
-		setLayout( new MigLayout( "", "[]0[]", "" ) );
+		setLayout( new MigLayout( "insets 0 0 0 0", "[]0[]", "" ) );
 		
 		Font font = new Font( Font.MONOSPACED, Font.BOLD, 30 );
 		

src/gui/editor/Editor.java

@@ -6,10 +6,19 @@ import javax.swing.JPanel;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import alias.id.AliasIdentifierEditor;
-
 /**
  * Generic editor with change detection, save and reset functions.
+ * 
+ * This editor supports hierarchical nesting of sub-component editors where changes are detected
+ * at the lowest editor in the tree and percolated up to the top-level editor for managing the 
+ * configuration set as a whole. 
+ * 
+ * To configure this editor as a collective, register each parent editor as a saveRequestListener
+ * on each child editor.  If no save request listener is registered, the editor will simply invoke
+ * save when a change is detected and the user opts to save the contents.
+ * 
+ * The top-level editor can override the saveRequest() method to perform custom save operations
+ * and validation.
  */
 public abstract class Editor<T> extends JPanel
 {
@@ -19,19 +28,51 @@ public abstract class Editor<T> extends JPanel
 
 	protected T mItem;
 	protected boolean mModified = false;
+	protected Editor<?> mSaveRequestListener;
 
 	public Editor()
 	{
 	}
+
+	/**
+	 * Requests to save the contents of this editor.
+	 * 
+	 * If a save request listener is registered, the listener is notified that a save is requested,
+	 * otherwise the save is request is processed by the instance.
+	 * 
+	 * This allows for a save event to be percolated up the hierarchical set of editors so that 
+	 * a top-level editor can invoke custom operations such as configuration validation.
+	 */
+	protected void saveRequest()
+	{
+		if( mSaveRequestListener != null )
+		{
+			mSaveRequestListener.saveRequest();
+		}
+		else
+		{
+			save();
+		}
+	}
+
+	/**
+	 * Registers the editor to be notified when this editor contents have been saved.
+	 */
+	public void setSaveRequestListener( Editor<?> listener )
+	{
+		mSaveRequestListener = listener;
+	}
+	
 	
 	/**
-	 * Sets the object to be edited
+	 * Sets the object to be edited.  If the contents from the previous object have changed, this
+	 * prompts the user to save these changes.  A saveRequest() is issued and either this editor
+	 * or the parent editor will respond to the save request and invoke the save() method.
 	 */
 	public void setItem( T item )
 	{
 		if( isModified() )
 		{
-			mLog.debug( "Editor that is modified: " + getClass() );
 			int option = JOptionPane.showConfirmDialog( 
 				Editor.this, 
 				"This item has changed.  Do you want to save these changes?", 
@@ -41,7 +82,7 @@ public abstract class Editor<T> extends JPanel
 			
 			if( option == JOptionPane.YES_OPTION )
 			{
-				save();
+				saveRequest();
 			}
 			
 			setModified( false );

src/gui/editor/EmptyValidatingEditor.java

@@ -10,7 +10,7 @@ public class EmptyValidatingEditor<T> extends ValidatingEditor<T>
 
 	public EmptyValidatingEditor( String descriptor )
 	{
-		setLayout( new MigLayout( "insets 0 0 0 0", "[center]", "[grow]" ) );
+		setLayout( new MigLayout( "insets 0 0 0 0", "", "" ) );
 		add( new JLabel( "Please select " + descriptor ), "wrap" );
 	}