| gvSIG desktop 1

/*

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

 *  IzPack

 *  Copyright (C) 2001-2004 Julien Ponge

 *

 *  File :               InstallPanel.java

 *  Description :        A panel to launch the installation process.

 *  Author's email :     julien@izforge.com

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

 *

 *  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.GridBagConstraints;

import java.awt.GridBagLayout;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JProgressBar;

import javax.swing.JSeparator;

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.util.AbstractUIProgressHandler;

/**

 *  The install panel class. Launches the actual installation job.

 *

 * @author     Julien Ponge

 */

public class InstallPanel extends IzPanel implements AbstractUIProgressHandler

{

  /**  The layout. */

  private GridBagLayout layout;

  /**  The layout constraints. */

  private GridBagConstraints gbConstraints;

  /**  The tip label. */

  protected JLabel tipLabel;

  /**  The operation label . */

  protected JLabel packOpLabel;

  /**  The operation label . */

  protected JLabel overallOpLabel;

  /**  The pack progress bar. */

  protected JProgressBar packProgressBar;

  /**  The progress bar. */

  protected JProgressBar overallProgressBar;

  /**  True if the installation has been done. */

  private volatile boolean validated = false;

  /**  How many packs we are going to install. */

  private int noOfPacks = 0;

  /**

   *  The constructor.

   *

   * @param  parent  The parent window.

   * @param  idata   The installation data.

   */

  public InstallPanel(InstallerFrame parent, InstallData idata)

  {

    super(parent, idata);

    // We initialize our layout

    layout = new GridBagLayout();

    gbConstraints = new GridBagConstraints();

    setLayout(layout);

    int row = 1;

    this.tipLabel =

      LabelFactory.create(

        parent.langpack.getString("InstallPanel.tip"),

        parent.icons.getImageIcon("information"),

        JLabel.TRAILING);

    parent.buildConstraints(gbConstraints, 0, row++, 2, 1, 1.0, 0.0);

    gbConstraints.fill = GridBagConstraints.NONE;

    gbConstraints.anchor = GridBagConstraints.NORTHWEST;

    layout.addLayoutComponent(this.tipLabel, gbConstraints);

    add(this.tipLabel);

    this.packOpLabel = LabelFactory.create(" ", JLabel.TRAILING);

    parent.buildConstraints(gbConstraints, 0, row++, 2, 1, 1.0, 0.0);

    gbConstraints.anchor = GridBagConstraints.SOUTHWEST;

    layout.addLayoutComponent(this.packOpLabel, gbConstraints);

    add(this.packOpLabel);

    this.packProgressBar = new JProgressBar();

    this.packProgressBar.setStringPainted(true);

    this.packProgressBar.setString(

      parent.langpack.getString("InstallPanel.begin"));

    this.packProgressBar.setValue(0);

    parent.buildConstraints(gbConstraints, 0, row++, 2, 1, 1.0, 0.0);

    gbConstraints.anchor = GridBagConstraints.NORTH;

    gbConstraints.fill = GridBagConstraints.HORIZONTAL;

    layout.addLayoutComponent(this.packProgressBar, gbConstraints);

    add(this.packProgressBar);

    // make sure there is some space between the progress bars

    JSeparator sep = new JSeparator();

    Dimension dim = new Dimension(0, 10);

    sep.setPreferredSize(dim);

    sep.setMinimumSize(dim);

    sep.setMaximumSize(dim);

    parent.buildConstraints(gbConstraints, 0, row++, 2, 1, 1.0, 0.0);

    layout.addLayoutComponent(sep, gbConstraints);

    add(sep);

    this.overallOpLabel =

      LabelFactory.create(

        parent.langpack.getString("InstallPanel.progress"),

        parent.icons.getImageIcon("information"),

        JLabel.TRAILING);

    parent.buildConstraints(gbConstraints, 0, row++, 2, 1, 1.0, 0.0);

    gbConstraints.anchor = GridBagConstraints.NORTHWEST;

    gbConstraints.fill = GridBagConstraints.NONE;

    layout.addLayoutComponent(this.overallOpLabel, gbConstraints);

    add(this.overallOpLabel);

    this.overallProgressBar = new JProgressBar();

    this.overallProgressBar.setStringPainted(true);

    this.overallProgressBar.setString("");

    this.overallProgressBar.setValue(0);

    parent.buildConstraints(gbConstraints, 0, row++, 2, 1, 1.0, 0.0);

    gbConstraints.anchor = GridBagConstraints.NORTH;

    gbConstraints.fill = GridBagConstraints.HORIZONTAL;

    layout.addLayoutComponent(this.overallProgressBar, gbConstraints);

    add(this.overallProgressBar);

  }

  /**

   *  Indicates wether the panel has been validated or not.

   *

   * @return    The validation state.

   */

  public boolean isValidated()

  {

    return this.validated;

  }

  /**  The unpacker starts.  */

  public void startAction(String name, int noOfJobs)

  {

    parent.blockGUI();

    // figure out how many packs there are to install

    this.noOfPacks = noOfJobs;

    this.overallProgressBar.setMinimum(0);

    this.overallProgressBar.setMaximum(this.noOfPacks);

    this.overallProgressBar.setString(

      "0 / " + Integer.toString(this.noOfPacks));

  }

  /**

   *  An error was encountered.

   *

   * @param  error  The error text.

   */

  public void emitError(String title, String error)

  {

    this.packOpLabel.setText(error);

    idata.installSuccess = false;

    JOptionPane.showMessageDialog(

      this,

      error,

      parent.langpack.getString("installer.error"),

      JOptionPane.ERROR_MESSAGE);

  }

  /**  The unpacker stops.  */

  public void stopAction()

  {

    parent.releaseGUI();

    parent.lockPrevButton();

    this.overallProgressBar.setValue(this.overallProgressBar.getValue() + 1);

    this.packProgressBar.setString(

      parent.langpack.getString("InstallPanel.finished"));

    this.packProgressBar.setEnabled(false);

    String no_of_packs = Integer.toString(this.noOfPacks);

    this.overallProgressBar.setString(no_of_packs + " / " + no_of_packs);

    this.overallProgressBar.setEnabled(false);

    this.packOpLabel.setText(" ");

    this.packOpLabel.setEnabled(false);

    idata.canClose = true;

    this.validated = true;

    if (idata.panels.indexOf(this) != (idata.panels.size() - 1))

      parent.unlockNextButton();

  }

  /**

   *  Normal progress indicator.

   *

   * @param  val  The progression value.

   * @param  msg  The progression message.

   */

  public void progress(int val, String msg)

  {

    this.packProgressBar.setValue(val + 1);

    packOpLabel.setText(msg);

  }

  /**

   *  Pack changing.

   *

   * @param  packName  The pack name.

   * @param  stepno    The number of the pack.

   * @param  max       The new maximum progress.

   */

  public void nextStep(String packName, int stepno, int max)

  {

    this.packProgressBar.setValue(0);

    this.packProgressBar.setMinimum(0);

    this.packProgressBar.setMaximum(max);

    this.packProgressBar.setString(packName);

    this.overallProgressBar.setValue(stepno - 1);

    this.overallProgressBar.setString(

      Integer.toString(stepno) + " / " + Integer.toString(this.noOfPacks));

  }

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

  public void panelActivate()

  {

    // We clip the panel

    Dimension dim = parent.getPanelsContainerSize();

    dim.width = dim.width - (dim.width / 4);

    dim.height = 150;

    setMinimumSize(dim);

    setMaximumSize(dim);

    setPreferredSize(dim);

    parent.lockNextButton();

    parent.install(this);

  }

}