/*

  * $Id: SelectionPage.java,v 1.10 2008/05/19 20:41:08 edankert Exp $

  *

  * The contents of this file are subject to the Mozilla Public License 

  * Version 1.1 (the "License"); you may not use this file except in 

  * compliance with the License. You may obtain a copy of the License at 

  * http://www.mozilla.org/MPL/ 

  *

  * Software distributed under the License is distributed on an "AS IS" basis, 

  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 

  * for the specific language governing rights and limitations under the License.

  *

  * The Original Code is XML Hammer code. (org.xmlhammer.*)

  *

  * The Initial Developer of the Original Code is Edwin Dankert. Portions created 

  * by the Initial Developer are Copyright (C) 2005 - 2006 the Initial Developer. 

  * All Rights Reserved.

  *

  * Contributor(s): Edwin Dankert <edankert@gmail.com>

  */

 package org.xmlhammer.gui.util;

 import java.awt.BorderLayout;

 import java.awt.event.ItemEvent;

 import java.awt.event.ItemListener;

 import java.util.Enumeration;

 import java.util.Hashtable;

 import javax.swing.JComboBox;

 import javax.swing.JPanel;

 import org.apache.log4j.Logger;

 import org.xmlhammer.gui.Page;

 import org.xmlhammer.gui.ProjectView;

 import org.xmlhammer.gui.actions.PagePropertiesAction;

 /**

  * Input Panel.

  * 

  * Allows to select either one URI, multiple URIs or 

  * a range of files.

  * 

  * @version $Revision: 1.10 $, $Date: 2008/05/19 20:41:08 $

  * @author Edwin Dankert <edankert@gmail.com>

  */

 public abstract class SelectionPage extends Page implements ItemListener {

         private static final long serialVersionUID = 3257852090755134776L;

         private Hashtable<String,JPanel> panels = null;

         protected JComboBox selector = null;

         private JPanel centerPanel = null;

         /**

          * Constructs a new Input Panel.

          */

         public SelectionPage(ProjectView view, String label, boolean properties) {

                 super(view);

                 panels = new Hashtable<String,JPanel>();

                 selector = new JComboBox();

                 selector.addItemListener( this);

         selector.addItemListener(new UndoableComboBoxItemListener(this, selector));

         getProjectView().getFieldManager().addField(selector);

                 centerPanel = new JPanel( new BorderLayout());

 //                centerPanel.setBorder( new EmptyBorder( 2, 2, 0, 0));

         TitleBar bar = new TitleBar(label, selector);

         if (properties) {

             bar.add(new PagePropertiesAction(this));

         }

                 setTitleBar( bar);

                 setCenterPanel( centerPanel);

         }

         public JPanel getSelectedPanel() { 

                 return panels.get(selector.getSelectedItem());

         }

         public void setSelectedPanel(JPanel panel) { 

                 Enumeration<String> e = panels.keys();

                 while(e.hasMoreElements()) {

                         String key = e.nextElement();

                         if (panels.get(key) == panel) {

                                 selector.setSelectedItem(key);

                         }

                 }

         }

         public void addPanel(String name, JPanel panel) {

         Logger.getLogger(this.getClass()).debug("addPanel("+name+", "+panel+")");

                 panels.put(name, panel);

                 selector.addItem(name);

                 if (selector.getSelectedIndex() != 0) {

                         selector.setSelectedIndex( 0);

                 }

         }

     public void itemStateChanged(ItemEvent e) {

         centerPanel.removeAll();

         centerPanel.add(panels.get( selector.getSelectedItem()), BorderLayout.CENTER);

         centerPanel.revalidate();

         centerPanel.repaint();

     }

 }