/*
    * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
    * the spring framework, http://el4j.sf.net
    * Copyright (C) 2008 by ELCA Informatique SA, Av. de la Harpe 22-24,
    * 1000 Lausanne, Switzerland, http://www.elca.ch
    *
    * EL4J is published under the GNU Lesser General Public License (LGPL)
    * Version 2.1. See http://www.gnu.org/licenses/
    *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU Lesser General Public License for more details.
   *
   * For alternative licensing, please contact info@elca.ch
   */
  package ch.elca.el4j.services.gui.swing.exceptions;
  
  import java.awt.BorderLayout;
  import java.awt.Rectangle;
  import java.net.URL;
  
  import javax.swing.JButton;
  import javax.swing.JDialog;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.JScrollPane;
  import javax.swing.JTextArea;
  import javax.swing.SwingUtilities;
  import javax.swing.UIManager;
  
  import org.jdesktop.application.Action;
  import org.jdesktop.application.ResourceMap;
  
  import ch.elca.el4j.services.gui.swing.GUIApplication;
  
  import cookxml.cookswing.CookSwing;
  
  /**
   * The default dialog that appears when an exception occurred.
   *
   * @svnLink $Revision: 3875 $;$Date: 2009-08-04 14:35:53 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/swing/src/main/java/ch/elca/el4j/services/gui/swing/exceptions/ExceptionDialog.java $
   *
   * @author Stefan Wismer (SWI)
   */
  @SuppressWarnings("serial")
  public class ExceptionDialog extends JDialog {
  	/**
  	 * The generic error message.
  	 */
  	protected JLabel m_message;
  	
  	/**
  	 * The button to show/hide the details.
  	 */
  	protected JButton m_detailsButton;
  	
  	/**
  	 * The scroll pane that makes the details text area scrollable.
  	 */
  	protected JScrollPane m_detailsScrollPane;
  	
  	/**
  	 * The details of the exception (in general this is the stacktrace).
  	 */
  	protected JTextArea m_details;
  	
  	/**
  	 * The error image.
  	 */
  	protected JLabel m_errorImage;
  	
  	/**
  	 * The resource map.
  	 */
  	protected ResourceMap m_resourceMap;
  	
  	/**
  	 * @param details    the details to show in the dialog
  	 */
  	public ExceptionDialog(String details) {
  		super(GUIApplication.getInstance().getMainFrame());
  		
  		m_resourceMap = GUIApplication.getInstance().getContext().getResourceMap(ExceptionDialog.class);
  		
  		CookSwing cookSwing = new CookSwing(this);
  		URL url = m_resourceMap.getClassLoader().getResource(m_resourceMap.getResourcesDir() + "exceptionDialog.xml");
  		setLayout(new BorderLayout());
  		add((JPanel) cookSwing.render(url.getFile()));
  		
  		setModal(true);
  		setTitle(getRes("exceptionDialogTitle"));
  		m_message.setText(getRes("exceptionDialogMessage"));
  		m_details.setText(details);
  		
  		// adjust font size of details
  		m_details.setFont(m_details.getFont().deriveFont(12.0f));
  		
  		m_errorImage.setIcon(UIManager.getIcon("OptionPane.errorIcon"));
 		
 		pack();
 		
 		// hide details
 		toggleDetails();
 		
 		// center dialog on the screen
 		setLocationRelativeTo(null);
 	}
 	
 	/**
 	 * Close the dialog.
 	 */
 	@Action
 	public void close() {
 		dispose();
 	}
 	
 	/**
 	 * Show/hide the details.
 	 */
 	@Action
 	public void toggleDetails() {
 		Rectangle bounds = getBounds();
 		if (m_detailsScrollPane.isVisible()) {
 			m_detailsButton.setText(getRes("moreDetails"));
 			bounds.height -= m_detailsScrollPane.getBounds().height;
 			setBounds(bounds);
 			m_detailsScrollPane.setVisible(false);
 		} else {
 			m_detailsButton.setText(getRes("lessDetails"));
 			bounds.height += m_detailsScrollPane.getBounds().height;
 			setBounds(bounds);
 			m_detailsScrollPane.setVisible(true);
 		}
 		SwingUtilities.updateComponentTreeUI(this);
 	}
 	
 	/**
 	 * @param id    the resource ID
 	 * @return      the String associated with the given resource ID
 	 */
 	protected String getRes(String id) {
 		return m_resourceMap.getString(id);
 	}
 
 }