/********************************************************************************
    *InternetCafe is a software solution that helps the management of Cybercafes 
    * according with the ITALIAN DECREE LAW ON ANTI-TERROR MEASURES, 27 JULY 2005.
    * Copyright (C) 2006  Guido Angelo Ingenito
   
    * This program is free software; you can redistribute it and/or
    * modify it under the terms of the GNU General Public License
    * as published by the Free Software Foundation; either version 2
    * of the License, or (at your option) any later version.
  
   * 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 General Public License for more details.
   * 
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   *******************************************************************************/
  
  package base.jdbs.ui.dialog;
  
  import java.awt.BorderLayout;
  import java.awt.Color;
  import java.awt.FlowLayout;
  import java.awt.GridLayout;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  import java.io.File;
  
  import javax.swing.JButton;
  import javax.swing.JDialog;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.JTextField;
  import javax.swing.border.TitledBorder;
  
  import org.apache.log4j.Logger;
  
  import base.jdbs.ConfigurationManager;
  
  /***
   * @author skunk
   * 
   */
  @SuppressWarnings("serial")
  public class RepositorySetupDialog extends JDialog {
  
  	private static final transient Logger logger = Logger
  			.getLogger(RepositorySetupDialog.class.getName());
  
  	private JPanel locationPanel;
  
  	private JTextField locationTextField;
  
  	private JButton locationButton;
  
  	private JPanel declaredAvailableSpacePanel;
  
  	private JTextField sizeTextField;
  
  	private JPanel buttonPanel;
  
  	private JButton saveButton;
  
  	public RepositorySetupDialog() {
  		initialize();
  	}
  
  	protected void initialize() {
  		this.setTitle("Repository Setup");
  		this.setSize(640, 250);
  		JPanel topPanel = new JPanel();
  		topPanel.setLayout(new GridLayout(2, 1));
  		topPanel.add(this.getLocationPanel());
  		topPanel.add(this.getDeclaredAvailableSpacePanel());
  		this.setLayout(new BorderLayout());
  		this.add(topPanel, BorderLayout.CENTER);
  		this.add(this.getButtonPanel(), BorderLayout.SOUTH);
  
  	}
  
  	/***
  	 * @return Returns the locationTextField.
  	 */
  	protected JTextField getLocationTextField() {
  		if (this.locationTextField == null) {
  			this.locationTextField = new JTextField();
  			this.locationTextField.setEditable(false);
  			this.locationTextField
  					.setText(ConfigurationManager.getInstance().getRepository()
  							.getLocation() != null ? ConfigurationManager
  							.getInstance().getRepository().getLocation()
  							.getAbsolutePath()
  							: "The Repository's is not yet configured. Select a repository by pressing the Choose button!");
  		}
  		return locationTextField;
  	}
  
 	/***
 	 * @return Returns the locationPanel.
 	 */
 	protected JPanel getLocationPanel() {
 		if (this.locationPanel == null) {
 			this.locationPanel = new JPanel();
 			this.locationPanel
 					.setBorder(new TitledBorder("Repository Location"));
 			this.locationPanel.setLayout(new BorderLayout());
 
 			this.locationPanel.add(this.getLocationTextField(),
 					BorderLayout.CENTER);
 			JPanel panel = new JPanel();
 			panel.setLayout(new BorderLayout());
 			panel.add(this.getLocationButton(), BorderLayout.EAST);
 			this.locationPanel.add(panel, BorderLayout.SOUTH);
 		}
 		return locationPanel;
 	}
 
 	/***
 	 * @return Returns the declaredAvailableSpacePanel.
 	 */
 	protected JPanel getDeclaredAvailableSpacePanel() {
 		if (this.declaredAvailableSpacePanel == null) {
 			this.declaredAvailableSpacePanel = new JPanel();
 			this.declaredAvailableSpacePanel.setBorder(new TitledBorder(
 					"Declared Repository Size"));
 			this.declaredAvailableSpacePanel.setLayout(new FlowLayout());
 			this.declaredAvailableSpacePanel.add(this.getSizeTextField());
 			this.declaredAvailableSpacePanel.add(new JLabel("Mb"));
 		}
 		return declaredAvailableSpacePanel;
 	}
 
 	/***
 	 * @return Returns the locationButton.
 	 */
 	protected JButton getLocationButton() {
 		if (this.locationButton == null) {
 			this.locationButton = new JButton("Choose");
 			this.locationButton.addActionListener(new ActionListener() {
 				public void actionPerformed(ActionEvent arg0) {
 					javax.swing.JFileChooser chooser = new javax.swing.JFileChooser();
 					chooser
 							.setDialogTitle("Select the JDBS repository folder...");
 					chooser
 							.setFileSelectionMode(javax.swing.JFileChooser.DIRECTORIES_ONLY);
 					chooser.setApproveButtonText("Select");
 					chooser.setMultiSelectionEnabled(true);
 
 					if (chooser.showOpenDialog(null) == javax.swing.JFileChooser.APPROVE_OPTION) {
 						File repositoryLocation = chooser.getSelectedFile();
 						getLocationTextField().setText(
 								repositoryLocation.getAbsolutePath());
 						getLocationTextField().setBackground(Color.WHITE);
 					}
 				}
 
 			});
 		}
 		return locationButton;
 	}
 
 	/***
 	 * @return Returns the sizeTextField.
 	 */
 	protected JTextField getSizeTextField() {
 		if (this.sizeTextField == null) {
 			this.sizeTextField = new JTextField();
 			this.sizeTextField.setSize(150, 25);
 			this.sizeTextField.setPreferredSize(this.sizeTextField.getSize());
 			this.sizeTextField
 					.setToolTipText("Note that a declared repository size is not a real quantity of available free space on your hard drive! Try to select an appropriate value in Mega Bytes anyway!");
 			this.sizeTextField.setText(""
 					+ ConfigurationManager.getInstance().getRepository()
 							.getDeclaredAvailableSpace());
 		}
 		return sizeTextField;
 	}
 
 	/***
 	 * @return Returns the buttonPanel.
 	 */
 	protected JPanel getButtonPanel() {
 		if (this.buttonPanel == null) {
 			this.buttonPanel = new JPanel();
 			this.buttonPanel.setLayout(new GridLayout(1, 3));
 			this.buttonPanel.add(new JLabel());
 			this.buttonPanel.add(this.getSaveButton());
 			this.buttonPanel.add(new JLabel());
 
 		}
 		return buttonPanel;
 	}
 
 	/***
 	 * @return Returns the saveButton.
 	 */
 	protected JButton getSaveButton() {
 		if (this.saveButton == null) {
 			this.saveButton = new JButton("Save");
 			this.saveButton.addActionListener(new ActionListener() {
 
 				public void actionPerformed(ActionEvent arg0) {
 					String repositoryLocation = getLocationTextField()
 							.getText();
 					if (!new File(repositoryLocation).exists()) {
 						getLocationTextField().setBackground(Color.RED);
 						return;
 					} else
 						getLocationTextField().setBackground(Color.WHITE);
 
 					int repositoryDeclaredAvailableSpace = 0;
 					try {
 						repositoryDeclaredAvailableSpace = Integer
 								.parseInt(getSizeTextField().getText());
 						if (repositoryDeclaredAvailableSpace < 0) {
 							getSizeTextField().setBackground(Color.RED);
 						} else
 							getSizeTextField().setBackground(Color.WHITE);
 					} catch (Exception ex) {
 						getSizeTextField().setBackground(Color.RED);
 						return;
 					}
 					ConfigurationManager.getInstance().getRepository()
 							.setLocation(new File(repositoryLocation));
 					ConfigurationManager.getInstance().getRepository()
 							.setDeclaredAvailableSpace(
 									repositoryDeclaredAvailableSpace);
 					setVisible(false);
 				}
 
 			});
 		}
 		return saveButton;
 	}
 
 }