SiLeBAT/FSK-Lab

/*******************************************************************************
 * Copyright (c) 2015 Federal Institute for Risk Assessment (BfR), Germany
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Department Biological Safety - BfR
 *******************************************************************************/
package de.bund.bfr.knime.pmm.common.ui;

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

import org.knime.core.node.InvalidSettingsException;
import org.knime.core.node.config.Config;

public class DbConfigurationUi extends JPanel implements ActionListener {
    
    private static final long serialVersionUID = 20120622;
    
    public static final String PARAM_FILENAME = "filename";
    public static final String PARAM_LOGIN = "login";
    public static final String PARAM_PASSWD = "passwd";
    public static final String PARAM_OVERRIDE = "override";

    private JCheckBox overrideBox;
    private JTextField connField;
    private JTextField loginField;
    private JPasswordField passwdField;
    private JButton chooseButton;
    private JButton applyButton;
    
    public DbConfigurationUi() { this( false ); }

    public DbConfigurationUi( boolean hasApplyButton ) {
        
        JPanel mainPanel, panel, panel2, panel0;
        
        mainPanel = new JPanel();
        mainPanel.setLayout( new BorderLayout() );
        // setPreferredSize( new Dimension( 330, 130 ) );
        
        panel0 = new JPanel();
        panel0.setLayout( new BorderLayout() );
        
        mainPanel.add( panel0, BorderLayout.SOUTH );
                
        panel = new JPanel();
        panel.setLayout( new GridLayout( 0, 1 ) );
        panel0.add( panel, BorderLayout.WEST );
        // panel.add( new JLabel() );
        panel.add( new JLabel( "Database : " ) );
        panel.add( new JLabel( "Login : " ) );
        panel.add( new JLabel( "Password : " ) );
        panel.add( new JLabel() );
        
        panel = new JPanel();
        panel.setLayout( new GridLayout( 0, 1 ) );
        panel0.add( panel, BorderLayout.CENTER );
        
        
        overrideBox = new JCheckBox( "Use external database" );
        overrideBox.addActionListener( this );
        mainPanel.add( overrideBox, BorderLayout.CENTER );
        
        panel2 = new JPanel();
        panel2.setLayout( new BorderLayout() );
        panel.add( panel2 );
        
        connField = new JTextField();
        connField.setEditable( false );
        panel2.add( connField, BorderLayout.CENTER );
        
        chooseButton = new JButton( "..." );
        chooseButton.addActionListener( this );
        panel2.add( chooseButton, BorderLayout.EAST );
        panel2.add( new JLabel( "jdbc:hsqldb:file:" ), BorderLayout.WEST );
        
        loginField = new JTextField();
        loginField.setEditable( false );
        panel.add( loginField );
        
        passwdField = new JPasswordField();
        passwdField.setEditable( false );
        panel.add( passwdField );
        
        if( hasApplyButton ) {
            
            panel2 = new JPanel();
            panel2.setLayout( new BoxLayout( panel2, BoxLayout.X_AXIS ) );
            panel.add( panel2 );
            
            applyButton = new JButton( "Apply" );
            panel2.add( Box.createHorizontalGlue() );
            panel2.add( applyButton );
        }
        else
            panel.add( new JLabel() );
        
        setLayout(new BorderLayout());
        add(mainPanel, BorderLayout.NORTH);
    }
    
    @Override
    public void actionPerformed( ActionEvent e ) {
        if( e.getSource() == overrideBox ) {
            connField.setEditable(overrideBox.isSelected());
            loginField.setEditable(overrideBox.isSelected());
            passwdField.setEditable(overrideBox.isSelected());
        }
        
        if (e.getSource() == chooseButton) {            
            if( overrideBox.isSelected() ) {                
                JFileChooser chooser = new JFileChooser(); 
                chooser.setCurrentDirectory(new java.io.File(connField.getText()));
                chooser.setDialogTitle("Choose folder of database");
                chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                chooser.setAcceptAllFileFilterUsed(false);
                if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) { 
                    connField.setText(chooser.getSelectedFile().getAbsolutePath());
                }
            }
            
        }
    }
    
    public boolean getOverride() {
        return overrideBox.isSelected();
    }
    
    public void setOverride( boolean override ) {
        
        if( override != overrideBox.isSelected() )
            overrideBox.doClick();
    }
    
    public void setFilename( String filename ) {
        connField.setText( filename );
    }
    
    public void setLogin( String login ) {
        loginField.setText( login );
    }
    
    public void setPasswd( String passwd ) {
        passwdField.setText( passwd );
    }
    
    public boolean isOverride() {return overrideBox.isSelected();}
    public String getFilename() {return connField.getText();}
    public String getLogin() {return loginField.getText();}
    public String getPasswd() {return String.valueOf(passwdField.getPassword());}
    
    public JButton getApplyButton() {return applyButton;}
    
    public void saveSettingsTo(Config c) {
        c.addString(PARAM_FILENAME, connField.getText());
        c.addString(PARAM_LOGIN, loginField.getText());
        c.addString(PARAM_PASSWD, String.valueOf(passwdField.getPassword()));
        c.addBoolean(PARAM_OVERRIDE, overrideBox.isSelected());
    }    
    public void setSettings(Config c) throws InvalidSettingsException {        
        connField.setText(c.getString(PARAM_FILENAME));
        loginField.setText(c.getString(PARAM_LOGIN));
        passwdField.setText(c.getString(PARAM_PASSWD));
        overrideBox.setSelected(c.getBoolean(PARAM_OVERRIDE));
        connField.setEditable(overrideBox.isSelected());
        loginField.setEditable(overrideBox.isSelected());
        passwdField.setEditable(overrideBox.isSelected());
    }
}