DPML Notify

[mcconnell AT netcompartner.com]

Author: mcconnell
Date: Sun Dec 26 08:54:06 2004
New Revision: 1298

Modified:
   
development/laboratory/mgr/main/src/main/net/dpml/mgr/main/DefaultDesktop.java
Log:
more playing around with focus

Modified: 
development/laboratory/mgr/main/src/main/net/dpml/mgr/main/DefaultDesktop.java
==============================================================================
--- 
development/laboratory/mgr/main/src/main/net/dpml/mgr/main/DefaultDesktop.java
      (original)
+++ 
development/laboratory/mgr/main/src/main/net/dpml/mgr/main/DefaultDesktop.java
      Sun Dec 26 08:54:06 2004
@@ -23,6 +23,7 @@
 import java.awt.Color;
 import java.awt.FlowLayout;
 import java.awt.Container;
+import java.awt.Window;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
@@ -167,19 +168,15 @@
 
     public void focusGained( FocusEvent event )
     {
-        Component component = event.getComponent();
-        ((AbstractButton)component).setBorderPainted( true );
+        System.out.println( "# GAINED" );
     }
 
     public void focusLost( FocusEvent event )
     {
-        if( !event.isTemporary() )
-        {
-            Component component = event.getComponent();
-            ((AbstractButton)component).setBorderPainted( false );
-        }
+        System.out.println( "# LOST" );
     }
 
+
     
//--------------------------------------------------------------------------
     // implementation
     
//--------------------------------------------------------------------------
@@ -205,6 +202,7 @@
         panel.setSize( 700, 500 );
         panel.setLayout( new FlowLayout( FlowLayout.LEFT ) );
         panel.addMouseListener( new BackgroundListener() );
+        panel.setFocusCycleRoot( true );
 
         //
         // populate the panel with the entries declared in the configuration
@@ -241,7 +239,9 @@
         DefaultMenuBar menubar = new DefaultMenuBar( DEFAULT_FONT, this );
         setJMenuBar( menubar );
         setSize( 700, 500 );
+        //addWindowListener( new WindowHandler( this ) );
         setVisible( true );
+
     }
 
     private URI getEntryURI( Configuration entry ) throws DesktopException
@@ -268,9 +268,8 @@
     private Component constructDesktopIcon( final URI uri, final String 
title ) 
       throws DesktopException
     {
-        Component component = getPluginComponent( uri );
-        component.setName( title );
-        ImageIcon icon = createImageIcon( component.getClass() );
+        Class component = getPluginClass( uri );
+        ImageIcon icon = createImageIcon( component );
 
         JButton button = new JButton( title, icon );
 
@@ -283,7 +282,7 @@
         button.setBorderPainted( false );
         button.setFocusPainted( false );
         button.setContentAreaFilled( false );
-        button.addFocusListener( this );
+        button.addFocusListener( new FocusHandler() );
         button.addMouseListener( new ClickListener() );
 
         return button;
@@ -304,23 +303,12 @@
         }
     }
 
-    private Component getPluginComponent( URI uri ) throws DesktopException
+    private Class getPluginClass( URI uri ) throws DesktopException
     {
         try
         {
             ClassLoader classloader = DefaultDesktop.class.getClassLoader();
-            Map map = new Hashtable();
-            map.put( "urn:dpml.mgr.action-listener", this );
-            Map params = new Dictionary( map );
-            return (Component) m_repository.getPlugin( classloader, uri, new 
Object[]{ params } );
-        }
-        catch( ClassCastException e )
-        {
-            final String error = 
-              "Cannot load desktop plugin ["
-              + uri
-              + "] because it does not implement the java.awt.Component 
interface.";
-            throw new DesktopException( error, e );
+            return m_repository.getPluginClass( classloader, uri );
         }
         catch( Throwable e )
         {
@@ -349,7 +337,7 @@
     */
     private static class BackgroundListener extends MouseAdapter
     {
-        public void mouseClicked( MouseEvent event )
+        public void mousePressed( MouseEvent event )
         {
             Component component = event.getComponent();
             component.requestFocus();
@@ -357,8 +345,8 @@
     }
 
    /**
-    * MouseEvent listener that handles doubleclick events on buttons within
-    * the content panel.
+    * MouseEvent listener that listens for doubleclick events on buttons 
+    * within the content panel.
     */
     private static class ClickListener extends MouseAdapter
     {
@@ -368,7 +356,29 @@
             int n = event.getClickCount();
             if( n > 1 )
             {
-                System.out.println( "# DOUBLE-CLICK: " + component );
+                System.out.println( "# double-click" );
+            }
+        }
+    }
+
+   /**
+    * Focsus listener on buttons in the content panel that plays around
+    * with borders to reflect focussed state of the target.
+    */
+    private static class FocusHandler implements FocusListener
+    {
+        public void focusGained( FocusEvent event )
+        {
+            Component component = event.getComponent();
+            ((AbstractButton)component).setBorderPainted( true );
+        }
+
+        public void focusLost( FocusEvent event )
+        {
+            if( !event.isTemporary() )
+            {
+                Component component = event.getComponent();
+                ((AbstractButton)component).setBorderPainted( false );
             }
         }
     }