registrypanel.java

JavaExplorer是一个独立于平台的浏览器

/**
  * File and FTP Explorer
  * Copyright 2002
  * BOESCH Vincent
  *
  * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
package javaexplorer.gui.dialog;

import java.awt.*;
import java.awt.event.*;

import javaexplorer.Launcher;

import javaexplorer.util.registry.Registry;

import javax.swing.*;
import javax.swing.border.*;
import javax.swing.table.*;


/**
 *@author     BOESCH Vincent
 *@created    21 janvier 2002
 *@version    3.3
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
public class RegistryPanel extends JPanel implements ActionListener {
    private Launcher _launcher = null;
    private Registry _registry = null;
    BorderLayout borderLayout1 = new BorderLayout();
    BorderLayout borderLayout2 = new BorderLayout();
    GridLayout gridLayout1 = new GridLayout();
    GridLayout gridLayout2 = new GridLayout();
    JLabel jLabel1 = new JLabel();
    JPanel jPanel1 = new JPanel();
    JPanel jPanel2 = new JPanel();
    JPanel jPanel3 = new JPanel();
    JTextField jTextField1 = new JTextField();
    JTextField jTextField2 = new JTextField();
    JButton jbtAdd = new JButton();
    JButton jbtDefine = new JButton();
    JButton jbtDelete = new JButton();
    JTable jtbRegistry = new JTable();
    TitledBorder titledBorder1;
    JScrollPane jspRegistry = new JScrollPane(jtbRegistry);

    /**
     *  Constructeur objet RegistryPanel
     *
     *@param  launcher  Description of the
     *      Parameter
     */
    public RegistryPanel(Launcher launcher) {
        _launcher = launcher;

        try {
            jbInit();
        } catch (Exception e) {
            javaexplorer.util.Log.addError(e);
        }
    }

    /**
     *@param  e  Description of the Parameter
     */
    public void actionPerformed(ActionEvent e) {
        Object obj = e.getSource();

        if (obj == jbtDefine) {
            String loader = openDialog("Open With...");

            if (loader != null) {
                jTextField2.setText(loader);
            }

            return;
        }

        if (obj == jbtAdd) {
            addEntry();

            return;
        }

        if (obj == jbtDelete) {
            removeEntry();
        }
    }

    /**
     *  Adds a feature to the Entry attribute
     *  of the RegistryPanel object
     */
    public void addEntry() {
        String ext = jTextField1.getText();
        String load = jTextField2.getText();
        _registry.addEntry(ext, load);
        initRegistry();
    }

    /**
     *  Gets the workingRegistry attribute
     *  of the RegistryPanel object
     *
     *@return    The workingRegistry value
     */
    public Registry getWorkingRegistry() {
        return _registry;
    }

    /**
     */
    public void initRegistry() {
        String[][] tb = _registry.getTable();
        DefaultTableModel dtm = new DefaultTableModel(tb,
                new String[] { "Extension", "Loader" });

        jtbRegistry.setModel(dtm);
    }

    /**
     *@throws  Exception  Description of the
     *      Exception
     */
    private void jbInit() throws Exception {
        titledBorder1 = new TitledBorder("");
        this.setLayout(borderLayout1);
        this.setBorder(titledBorder1);
        borderLayout1.setVgap(5);
        gridLayout1.setColumns(4);
        jPanel1.setLayout(gridLayout1);
        jbtDefine.setText("Define");
        jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
        jLabel1.setText("opens with");
        jPanel2.setLayout(borderLayout2);
        jPanel3.setLayout(gridLayout2);
        gridLayout2.setColumns(2);
        gridLayout2.setHgap(20);
        gridLayout2.setVgap(20);
        jbtDelete.setText("Remove");
        jbtAdd.setText("Add");
        this.add(jspRegistry, BorderLayout.CENTER);
        this.add(jPanel2, BorderLayout.SOUTH);
        jPanel2.add(jPanel1, BorderLayout.CENTER);
        jPanel1.add(jTextField1, null);
        jPanel1.add(jLabel1, null);
        jPanel1.add(jTextField2, null);
        jPanel1.add(jbtDefine, null);
        jPanel2.add(jPanel3, BorderLayout.SOUTH);
        jPanel3.add(jbtDelete, null);
        jPanel3.add(jbtAdd, null);
        jbtDelete.addActionListener(this);
        jbtAdd.addActionListener(this);
        jbtDefine.addActionListener(this);

        jtbRegistry.setColumnSelectionAllowed(false);
        jtbRegistry.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        _registry = Registry.getRegistryCopy();
    }

    /**
     *@param  title  Description of the Parameter
     *@return        Description of the Return
     *      Value
     */
    public String openDialog(String title) {
        JFileChooser jfc = new JFileChooser();
        jfc.setDialogTitle(title);

        if (jfc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
            return jfc.getSelectedFile().getAbsolutePath();
        } else {
            return null;
        }
    }

    /**
     */
    public void removeEntry() {
        int reg = jtbRegistry.getSelectedRow();

        if (reg >= 0) {
            String ext = (String) jtbRegistry.getModel().getValueAt(reg, 0);

            if (ext != null) {
                _registry.removeEntry(ext);
            }

            initRegistry();
        }
    }

    /**
     *  Sets the launcher attribute of the
     *  RegistryPanel object
     *
     *@param  launcher  The new launcher value
     */
    public void setLauncher(Launcher launcher) {
        _launcher = launcher;
    }
}