--- a/src/junotu/TabColumns.java	Fri Nov 25 21:16:38 2022 +0100
+++ b/src/junotu/TabColumns.java	Wed Nov 30 16:13:03 2022 +0100
@@ -38,6 +38,9 @@
 import javax.swing.BorderFactory;
 import javax.swing.border.TitledBorder;
 
+import static java.lang.Math.min;
+import static java.lang.Math.max;
+
 import junotu.Main;
 import junotu.Window.Tab;
 import junotu.Card;
@@ -53,6 +56,11 @@
 	Box cards;
 	JButton addCard;
 
+	private final String KEY_ACTION_CARD_UP        = "card_up";
+	private final String KEY_ACTION_CARD_DOWN      = "card_down";
+	private final String KEY_ACTION_CARD_FULL_UP   = "card_full_up";
+	private final String KEY_ACTION_CARD_FULL_DOWN = "card_full_down";
+
 	public ColumnWidget()
 	{
 	    this.setLayout( new GridBagLayout() );
@@ -99,6 +107,31 @@
 		)
 	    );
 
+	    registerKeyboardAction(
+		this,
+		KEY_ACTION_CARD_UP,
+		KeyStroke.getKeyStroke( KeyEvent.VK_UP, InputEvent.ALT_DOWN_MASK ),
+		WHEN_ANCESTOR_OF_FOCUSED_COMPONENT
+	    );
+	    registerKeyboardAction(
+		this,
+		KEY_ACTION_CARD_DOWN,
+		KeyStroke.getKeyStroke( KeyEvent.VK_DOWN, InputEvent.ALT_DOWN_MASK ),
+		WHEN_ANCESTOR_OF_FOCUSED_COMPONENT
+	    );
+	    registerKeyboardAction(
+		this,
+		KEY_ACTION_CARD_FULL_UP,
+		KeyStroke.getKeyStroke( KeyEvent.VK_PAGE_UP, InputEvent.ALT_DOWN_MASK ),
+		WHEN_ANCESTOR_OF_FOCUSED_COMPONENT
+	    );
+	    registerKeyboardAction(
+		this,
+		KEY_ACTION_CARD_FULL_DOWN,
+		KeyStroke.getKeyStroke( KeyEvent.VK_PAGE_DOWN, InputEvent.ALT_DOWN_MASK ),
+		WHEN_ANCESTOR_OF_FOCUSED_COMPONENT
+	    );
+
 	    addCard.addActionListener(this);
 
 	    addCard.setToolTipText("Add card.");
@@ -127,9 +160,68 @@
 	    cards.revalidate();
 	}
 
+	public void moveCard( int at, int to )
+	{
+	    if( at < 0 ) {
+		return;
+	    }
+	    ColumnCardWidget cardWidget = (ColumnCardWidget)cards.getComponent(at);
+	    boolean focused = cardWidget.isSelected();
+	    cards.remove(at);
+	    cards.add( cardWidget, to );
+	    cards.revalidate();
+	    if( focused ) {
+	        cardWidget.select();
+	    }
+	}
+
+	public int selectedCard()
+	{
+	    Component[] cardList = cards.getComponents();
+	    for( int i = 0; i < cardList.length; i++ ) {
+		if( ((ColumnCardWidget)cardList[i]).isSelected() ) {
+		    return i;
+		}
+	    }
+	    System.out.print("Selected card not found.");
+	    return -1;
+	}
+
 	public void actionPerformed( ActionEvent e )
 	{
-	    if( e.getSource() == addCard ) {
+	    Object source = e.getSource();
+	    if( source == this ) {
+		int selected = selectedCard();
+		int length = cards.getComponentCount();
+		
+		switch( e.getActionCommand() ) {
+
+		case KEY_ACTION_CARD_UP: {
+		    System.out.print("Move card up.\n");
+		    moveCard( selected, max(selected-1, 0) );
+		    break;
+		}
+		    
+		case KEY_ACTION_CARD_DOWN: {
+		    System.out.print("Move card down.\n");
+		    moveCard( selected, min(selected+1, cards.getComponentCount()-1) );
+		    break;
+		}
+		    
+		case KEY_ACTION_CARD_FULL_UP: {
+		    System.out.print("Move card full up.\n");
+		    moveCard( selected, 0 );
+		    break;
+		}
+		    
+		case KEY_ACTION_CARD_FULL_DOWN: {
+		    System.out.print("Move card full down.\n");
+		    moveCard( selected, cards.getComponentCount()-1 );
+		    break;
+		}
+		    
+		}
+	    } else if( source == addCard ) {
 		Card newCard = new Card();
 		newCard.titleSet("New card");
 		insertCard( newCard, -1 );
@@ -156,13 +248,14 @@
     private class ColumnCardWidget extends JPanel {
 
 	public long identifier;
+	public JTextArea title;
 	
 	public ColumnCardWidget( Card card )
 	{
 	    this.setLayout( new BorderLayout() );
 	    
 	    identifier = card.identifierGet();
-	    JTextArea title = new JTextArea( card.titleGet() );
+	    title = new JTextArea( card.titleGet() );
 	    
 	    title.setFont( new Font( "Monospaced", Font.BOLD, 16 ) );
 		
@@ -193,6 +286,16 @@
 	    title.addMouseListener( mouseListener );
 	    
 	}
+
+	public boolean isSelected()
+	{
+	    return title.isFocusOwner();
+	}
+
+	public void select()
+	{
+	    title.requestFocusInWindow();
+	}
 	
     }