wip: finished alias, alias ID and alias action editing framework.

src/gui/editor/DocumentListenerEditor.java

@@ -0,0 +1,29 @@
+package gui.editor;
+
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+
+public abstract class DocumentListenerEditor<T> extends Editor<T> 
+				implements DocumentListener
+{
+	private static final long serialVersionUID = 1L;
+
+	public DocumentListenerEditor()
+	{
+	}
+
+    @Override
+	public void insertUpdate( DocumentEvent e )
+	{
+		setModified( true );
+	}
+
+	@Override
+	public void removeUpdate( DocumentEvent e )
+	{
+		setModified( true );
+	}
+
+	@Override
+	public void changedUpdate( DocumentEvent e ) { }
+}

src/gui/editor/Editor.java

@@ -0,0 +1,94 @@
+package gui.editor;
+
+import javax.swing.JOptionPane;
+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.
+ */
+public abstract class Editor<T> extends JPanel
+{
+	private static final long serialVersionUID = 1L;
+	
+	private final static Logger mLog = LoggerFactory.getLogger( Editor.class );
+
+	protected T mItem;
+	protected boolean mModified = false;
+
+	public Editor()
+	{
+	}
+	
+	/**
+	 * Sets the object to be edited
+	 */
+	public void setItem( T item )
+	{
+		if( isModified() )
+		{
+			int option = JOptionPane.showConfirmDialog( 
+				Editor.this, 
+				"This item has changed.  Do you want to save these changes?", 
+				"Save Changes?",
+				JOptionPane.YES_NO_OPTION,
+				JOptionPane.QUESTION_MESSAGE );
+			
+			if( option == JOptionPane.YES_OPTION )
+			{
+				save();
+			}
+			
+			setModified( false );
+		}
+		
+		mItem = item;
+	}
+
+	/**
+	 * Current editing item
+	 */
+	public T getItem()
+	{
+		return mItem;
+	}
+	
+	public boolean hasItem()
+	{
+		return mItem != null;
+	}
+
+	/**
+	 * Sets the contents modified flag
+	 */
+	public void setModified( boolean modified )
+	{
+		mModified = modified;
+	}
+
+	/**
+	 * Indicates if this editor contents have been modified
+	 */
+	public boolean isModified()
+	{
+		return mModified;
+	}
+
+	/**
+	 * Save the contents of the editor
+	 */
+	public abstract void save();
+
+	/**
+	 * Reset the contents of the editor without saving any changes
+	 */
+	public void reset()
+	{
+		mModified = false;
+		setItem( mItem );
+	}
+}

src/gui/editor/EmptyEditor.java

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+package gui.editor;
+
+import javax.swing.JLabel;
+
+import net.miginfocom.swing.MigLayout;
+
+public class EmptyEditor<T> extends Editor<T>
+{
+	private static final long serialVersionUID = 1L;
+
+	public EmptyEditor()
+	{
+		setLayout( new MigLayout( "", "[center]", "[grow]" ) );
+		add( new JLabel( "Please select an item" ), "wrap" );
+	}
+
+	@Override
+	public void save()
+	{
+	}
+
+	@Override
+	public void reset()
+	{
+	}
+}