| gvSIG desktop 1

/*

 *  $Id: LicencePanel.java,v 1.1 2006/06/14 07:29:07 cesar Exp $

 *  IzPack

 *  Copyright (C) 2001-2004 Julien Ponge

 *

 *  File :               LicencePanel.java

 *  Description :        A panel to prompt the user for a licence agreement.

 *  Author's email :     julien@izforge.com

 *  Author's Website :   http://www.izforge.com

 *

 *  Portions are Copyright (C) 2002 Jan Blok (jblok@profdata.nl - PDM - www.profdata.nl)

 * 

 *  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 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 com.izforge.izpack.panels;

import java.awt.Dimension;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.Box;

import javax.swing.BoxLayout;

import javax.swing.ButtonGroup;

import javax.swing.JLabel;

import javax.swing.JRadioButton;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import com.izforge.izpack.gui.LabelFactory;

import com.izforge.izpack.installer.InstallData;

import com.izforge.izpack.installer.InstallerFrame;

import com.izforge.izpack.installer.IzPanel;

import com.izforge.izpack.installer.ResourceManager;

/**

 *  The license panel.

 *

 * @author     Julien Ponge

 */

public class LicencePanel extends IzPanel implements ActionListener

{

  /**  The license text. */

  private String licence;

  /**  The text area. */

  private JTextArea textArea;

  /**  The radio buttons. */

  private JRadioButton yesRadio, noRadio;

  /**  The scrolling container. */

  private JScrollPane scroller;

  /**

   *  The constructor.

   *

   * @param  parent  The parent window.

   * @param  idata   The installation data.

   */

  public LicencePanel(InstallerFrame parent, InstallData idata)

  {

    super(parent, idata);

    // We initialize our layout

    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

    // We load the licence

    loadLicence();

    // We put our components

    JLabel infoLabel =

      LabelFactory.create(

        parent.langpack.getString("LicencePanel.info"),

        parent.icons.getImageIcon("history"),

        JLabel.TRAILING);

    add(infoLabel);

    add(Box.createRigidArea(new Dimension(0, 3)));

    textArea = new JTextArea(licence);

    textArea.setMargin(new Insets(2, 2, 2, 2));

    textArea.setCaretPosition(0);

    textArea.setEditable(false);

    textArea.setLineWrap(true);

    textArea.setWrapStyleWord(true);

    scroller = new JScrollPane(textArea);

    scroller.setAlignmentX(LEFT_ALIGNMENT);

    add(scroller);

    ButtonGroup group = new ButtonGroup();

    yesRadio =

      new JRadioButton(parent.langpack.getString("LicencePanel.agree"), false);

    group.add(yesRadio);

    add(yesRadio);

    yesRadio.addActionListener(this);

    noRadio =

      new JRadioButton(

        parent.langpack.getString("LicencePanel.notagree"),

        true);

    group.add(noRadio);

    add(noRadio);

    noRadio.addActionListener(this);

  }

  /**  Loads the licence text.  */

  private void loadLicence()

  {

    try

    {

      // We read it

      String resNamePrifix = "LicencePanel.licence";

      licence = ResourceManager.getInstance().getTextResource(resNamePrifix);

    } catch (Exception err)

    {

      licence = "Error : could not load the licence text !";

    }

  }

  /**

   *  Actions-handling method (here it allows the installation).

   *

   * @param  e  The event.

   */

  public void actionPerformed(ActionEvent e)

  {

    if (yesRadio.isSelected())

      parent.unlockNextButton();

    else

      parent.lockNextButton();

  }

  /**

   *  Indicates wether the panel has been validated or not.

   *

   * @return    true if the user has agreed.

   */

  public boolean isValidated()

  {

    if (noRadio.isSelected())

    {

      parent.exit();

      return false;

    } else

      return (yesRadio.isSelected());

  }

  /**  Called when the panel becomes active.  */

  public void panelActivate()

  {

    if (!yesRadio.isSelected())

      parent.lockNextButton();

  }

}