/*

 *  $Id: CompilePanel.java 5819 2006-06-14 07:29:09Z cesar $

 *  IzPack

 *  Copyright (C) 2001-2003 Julien Ponge, Tino Schwarze

 *

 *  File :               CompilePanel.java

 *  Description :        A panel to compile files after installation

 *  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.Font;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.IOException;

import java.util.Iterator;



import javax.swing.BoxLayout;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JDialog;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JProgressBar;

import javax.swing.JScrollPane;

import javax.swing.JTabbedPane;

import javax.swing.JTextArea;

import javax.swing.SwingConstants;



import net.n3.nanoxml.XMLElement;



import com.izforge.izpack.gui.ButtonFactory;

import com.izforge.izpack.gui.LabelFactory;

import com.izforge.izpack.installer.CompileHandler;

import com.izforge.izpack.installer.CompileResult;

import com.izforge.izpack.installer.CompileWorker;

import com.izforge.izpack.installer.InstallData;

import com.izforge.izpack.installer.InstallerFrame;

import com.izforge.izpack.installer.IzPanel;



/**

 *  The compile panel class.

 *

 * This class allows .java files to be compiled after installation.

 *

 * Parts of the code have been taken from InstallPanel.java and

 * modified a lot.

 * 

 * @author     Tino Schwarze

 * @author     Julien Ponge

 */

public class CompilePanel extends IzPanel implements ActionListener, CompileHandler

{

  /**  The combobox for compiler selection. */

  protected JComboBox compilerComboBox;



  /**  The combobox for compiler argument selection. */

  protected JComboBox argumentsComboBox;



  /**  The start button. */

  protected JButton startButton;



  /**  The browse button. */

  protected JButton browseButton;



  /**  The tip label. */

  protected JLabel tipLabel;



  /**  The operation label . */

  protected JLabel opLabel;



  /**  The pack progress bar. */

  protected JProgressBar packProgressBar;



  /**  The operation label . */

  protected JLabel overallLabel;



  /**  The overall progress bar. */

  protected JProgressBar overallProgressBar;



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

  private boolean validated = false;



  /**  The compilation worker. Does all the work. */

  private CompileWorker worker;



  /**  Number of jobs to compile. Used for progress indication. */

  private int noOfJobs;



  /**

   *  The constructor.

   *

   * @param  parent  The parent window.

   * @param  idata   The installation data.

   */

  public CompilePanel(InstallerFrame parent, InstallData idata) 

    throws IOException

  {

    super(parent, idata);



    this.worker = new CompileWorker (idata, this);



    GridBagConstraints gridBagConstraints;



    JLabel heading = new JLabel();

    // put everything but the heading into it's own panel

    // (to center it vertically)

    JPanel subpanel = new JPanel ();

    JLabel compilerLabel = new JLabel();

    compilerComboBox = new JComboBox();

    this.browseButton = ButtonFactory.createButton (parent.langpack.getString ("CompilePanel.browse"), idata.buttonsHColor);

    JLabel argumentsLabel = new JLabel();

    this.argumentsComboBox = new JComboBox();

    this.startButton = ButtonFactory.createButton (parent.langpack.getString ("CompilePanel.start"), idata.buttonsHColor);

    this.tipLabel = LabelFactory.create(parent.langpack.getString ("CompilePanel.tip"),

        parent.icons.getImageIcon ("tip"), SwingConstants.TRAILING);

    this.opLabel = new JLabel();

    packProgressBar = new JProgressBar();

    this.overallLabel = new JLabel();

    this.overallProgressBar = new JProgressBar();



    setLayout(new GridBagLayout());



    Font font = heading.getFont ();

    font = font.deriveFont (Font.BOLD, font.getSize() * 2.0f);

    heading.setFont(font);

    heading.setHorizontalAlignment(SwingConstants.CENTER);

    heading.setText(parent.langpack.getString ("CompilePanel.heading"));

    heading.setVerticalAlignment(SwingConstants.TOP);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = 0;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.anchor = GridBagConstraints.NORTH;

    gridBagConstraints.weightx = 1.0;

    gridBagConstraints.weighty = 0.1;

    add(heading, gridBagConstraints);



    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.anchor = GridBagConstraints.CENTER;

    gridBagConstraints.gridy = 1;

    gridBagConstraints.weightx = 1.0;

    gridBagConstraints.weighty = 0.9;

    add (subpanel, gridBagConstraints);



    subpanel.setLayout(new GridBagLayout());



    int row = 0;



    compilerLabel.setHorizontalAlignment(SwingConstants.LEFT);

    compilerLabel.setLabelFor(compilerComboBox);

    compilerLabel.setText(parent.langpack.getString ("CompilePanel.choose_compiler"));

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    //gridBagConstraints.weighty = 0.1;

    subpanel.add(compilerLabel, gridBagConstraints);



    compilerComboBox.setEditable(true);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    //gridBagConstraints.weighty = 0.1;



    Iterator it = this.worker.getAvailableCompilers().iterator();



    while (it.hasNext())

      compilerComboBox.addItem ((String)it.next());

    

    subpanel.add(compilerComboBox, gridBagConstraints);



    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.gridx = 1;

    gridBagConstraints.anchor = GridBagConstraints.EAST;

    browseButton.addActionListener (this);

    subpanel.add(browseButton, gridBagConstraints);



    argumentsLabel.setHorizontalAlignment(SwingConstants.LEFT);

    argumentsLabel.setLabelFor(argumentsComboBox);

    argumentsLabel.setText(parent.langpack.getString ("CompilePanel.additional_arguments"));

    //argumentsLabel.setToolTipText("");

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.weightx = 0.5;

    //gridBagConstraints.weighty = 0.1;

    subpanel.add(argumentsLabel, gridBagConstraints);



    argumentsComboBox.setEditable(true);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.weightx = 0.5;

    //gridBagConstraints.weighty = 0.1;



    it = this.worker.getAvailableArguments ().iterator();



    while (it.hasNext())

      argumentsComboBox.addItem ((String)it.next());

    

    subpanel.add(argumentsComboBox, gridBagConstraints);



    // leave some space above the label

    gridBagConstraints.insets = new Insets (10, 0, 0, 0);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.NONE;

    gridBagConstraints.anchor = GridBagConstraints.NORTHWEST;

    subpanel.add(tipLabel, gridBagConstraints);



    opLabel.setText(" ");

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    subpanel.add(opLabel, gridBagConstraints);



    packProgressBar.setValue(0);

    packProgressBar.setString(parent.langpack.getString ("CompilePanel.progress.initial"));

    packProgressBar.setStringPainted(true);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.anchor = GridBagConstraints.SOUTH;

    subpanel.add(packProgressBar, gridBagConstraints);



    overallLabel.setText (parent.langpack.getString ("CompilePanel.progress.overall"));

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    subpanel.add(overallLabel, gridBagConstraints);



    overallProgressBar.setValue(0);

    overallProgressBar.setString("");

    overallProgressBar.setStringPainted(true);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridy = row++;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

    gridBagConstraints.anchor = GridBagConstraints.SOUTH;

    subpanel.add(overallProgressBar, gridBagConstraints);



    startButton.setText(parent.langpack.getString ("CompilePanel.start"));

    startButton.addActionListener (this);

    gridBagConstraints = new GridBagConstraints();

    gridBagConstraints.gridx = 0;

    gridBagConstraints.gridwidth = 2;

    gridBagConstraints.gridy = row++;

    gridBagConstraints.fill = GridBagConstraints.NONE;

    // leave some space above the button

    gridBagConstraints.insets = new Insets (5, 0, 0, 0);

    subpanel.add(startButton, gridBagConstraints);

  }





  /**

   *  Indicates wether the panel has been validated or not.

   *

   * @return    The validation state.

   */

  public boolean isValidated()

  {

    return validated;

  }



  /**

   *  Action function, called when the start button is pressed.

   */

  public void actionPerformed (ActionEvent e)

  {

    if (e.getSource() == this.startButton)

    {

      this.worker.setCompiler ((String)this.compilerComboBox.getSelectedItem ());



      this.worker.setCompilerArguments ((String)this.argumentsComboBox.getSelectedItem ());



      this.blockGUI ();

      this.worker.startThread ();

    }

    else if (e.getSource () == this.browseButton)

    {

      this.parent.blockGUI ();

      JFileChooser chooser = new JFileChooser ();

      chooser.setCurrentDirectory (new File ((String)this.compilerComboBox.getSelectedItem()).getParentFile ());

      int result = chooser.showDialog (this.parent, this.parent.langpack.getString ("CompilePanel.browse.approve"));

      if (result == JFileChooser.APPROVE_OPTION)

      {

        File file_chosen = chooser.getSelectedFile();



        if (file_chosen.isFile ())

        {

          this.compilerComboBox.setSelectedItem (file_chosen.getAbsolutePath());

        }



      }



      this.parent.releaseGUI();

    }



  }



  /**

   * Block the GUI - disalow input.

   */

  protected void blockGUI ()

  {

    // disable all controls

    this.startButton.setEnabled (false);

    this.browseButton.setEnabled (false);

    this.compilerComboBox.setEnabled (false);

    this.argumentsComboBox.setEnabled (false);



    this.parent.blockGUI();

  }



  /**

   * Release the GUI - allow input.

   *

   * @param allowconfig allow the user to enter new configuration

   */

  protected void releaseGUI (boolean allowconfig)

  {

    // disable all controls

    if (allowconfig)

    {

      this.startButton.setEnabled (true);

      this.browseButton.setEnabled (true);

      this.compilerComboBox.setEnabled (true);

      this.argumentsComboBox.setEnabled (true);

    }



    this.parent.releaseGUI();

  }



  /**

   *  An error was encountered.

   *

   * @param  error  The error information.

   * @see com.izforge.izpack.installer.CompileHandler

   */

  public void handleCompileError (CompileResult error)

  {

    String message = error.getMessage ();

    opLabel.setText(message);

    CompilerErrorDialog dialog = new CompilerErrorDialog (parent, message, idata.buttonsHColor);

    dialog.show (error);



    if (dialog.getResult() == CompilerErrorDialog.RESULT_IGNORE)

    {

      error.setAction (CompileResult.ACTION_CONTINUE);

    }

    else if (dialog.getResult() == CompilerErrorDialog.RESULT_RECONFIGURE)

    {

      error.setAction (CompileResult.ACTION_RECONFIGURE);

    }

    else // default case: abort

    {

      error.setAction (CompileResult.ACTION_ABORT);

    }



  }





  /**  The compiler starts.  */

  public void startAction (String name, int noOfJobs)

  {

    this.noOfJobs = noOfJobs;

    overallProgressBar.setMaximum (noOfJobs);

    parent.lockPrevButton();

  }





  /**  The compiler stops.  */

  public void stopAction ()

  {

    CompileResult result = this.worker.getResult ();



    this.releaseGUI(result.isReconfigure());



    if (result.isContinue())

    {

      parent.lockPrevButton();



      packProgressBar.setString(parent.langpack.getString("CompilePanel.progress.finished"));

      packProgressBar.setEnabled(false);

      packProgressBar.setValue (packProgressBar.getMaximum());



      overallProgressBar.setValue (this.noOfJobs);

      String no_of_jobs = Integer.toString (this.noOfJobs);

      overallProgressBar.setString (no_of_jobs + " / " + no_of_jobs);

      overallProgressBar.setEnabled (false);



      opLabel.setText(" ");

      opLabel.setEnabled(false);



      validated = true;

      idata.installSuccess = true;

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

        parent.unlockNextButton();

    }

    else

    {

      idata.installSuccess = false;

    }



  }





  /**

   *  Normal progress indicator.

   *

   * @param  val  The progression value.

   * @param  msg  The progression message.

   */

  public void progress (int val, String msg)

  {

    //Debug.trace ("progress: " + val + " " + msg);

    packProgressBar.setValue(val + 1);

    opLabel.setText(msg);

  }





  /**

   *  Job changing.

   *

   * @param  jobName   The job name.

   * @param  max       The new maximum progress.

   * @param  jobNo     The job number.

   */

  public void nextStep (String jobName, int max, int jobNo)

  {

    packProgressBar.setValue(0);

    packProgressBar.setMaximum(max);

    packProgressBar.setString(jobName);



    opLabel.setText ("");



    overallProgressBar.setValue (jobNo);

    overallProgressBar.setString (Integer.toString (jobNo) + " / " + Integer.toString (this.noOfJobs));

  }





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

  public void panelActivate()

  {

    // get compilers again (because they might contain variables from former panels)

    Iterator it = this.worker.getAvailableCompilers().iterator();



    compilerComboBox.removeAllItems();

    

    while (it.hasNext())

      compilerComboBox.addItem ((String)it.next());

    

    // 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();

  }



  /** Create XML data for automated installation. */

  public void makeXMLData (XMLElement panelRoot)

  {

    // just save the compiler chosen and the arguments

    XMLElement compiler = new XMLElement ("compiler");

    compiler.setContent (this.worker.getCompiler());

    panelRoot.addChild (compiler);



    XMLElement args = new XMLElement ("arguments");

    args.setContent (this.worker.getCompilerArguments());

    panelRoot.addChild (args);

  }



  /**

   * Show a special dialog for compiler errors.

   *

   * This dialog is neccessary because we have lots of information if

   * compilation failed. We'd also like the user to chose whether

   * to ignore the error or not.

   */

  protected class CompilerErrorDialog extends JDialog implements ActionListener 

  {

    /** user closed the dialog without pressing "Ignore" or "Abort" */

    public static final int RESULT_NONE = 0;

    /** user pressed "Ignore" button */

    public static final int RESULT_IGNORE = 23;

    /** user pressed "Abort" button */

    public static final int RESULT_ABORT = 42;

    /** user pressed "Reconfigure" button */

    public static final int RESULT_RECONFIGURE = 47;



    /** visual goodie: button hightlight color */

    private java.awt.Color buttonHColor = null;

    

    /** Creates new form compilerErrorDialog */

    public CompilerErrorDialog(java.awt.Frame parent, String title, java.awt.Color buttonHColor)

    {

      super(parent, title, true);

      this.buttonHColor = buttonHColor;

      initComponents();

    }



    /** This method is called from within the constructor to

     * initialize the form.

     *

     * Generated with help from NetBeans IDE.

     */

    private void initComponents() 

    {

      JPanel errorMessagePane = new JPanel();

      errorMessageText = new JTextArea();

      JTextArea seeBelowText = new JTextArea ();

      JTabbedPane errorDisplayPane = new JTabbedPane();

      JScrollPane commandScrollPane = new JScrollPane();

      commandText = new JTextArea();

      JScrollPane stdOutScrollPane = new JScrollPane();

      stdOutText = new JTextArea();

      JScrollPane stdErrScrollPane = new JScrollPane();

      stdErrText = new JTextArea();

      JPanel buttonsPanel = new JPanel();

      reconfigButton = ButtonFactory.createButton (parent.langpack.getString ("CompilePanel.error.reconfigure"), this.buttonHColor);

      ignoreButton = ButtonFactory.createButton (parent.langpack.getString ("CompilePanel.error.ignore"), this.buttonHColor);

      abortButton = ButtonFactory.createButton (parent.langpack.getString ("CompilePanel.error.abort"), this.buttonHColor);



      addWindowListener(new java.awt.event.WindowAdapter() {

          public void windowClosing(java.awt.event.WindowEvent evt) {

            closeDialog(evt);

          }

        });



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

      errorMessageText.setBackground(super.getBackground());

      errorMessageText.setEditable(false);

      errorMessageText.setLineWrap(true);

      //errorMessageText.setText("The compiler does not seem to work. See below for the command we tried to execute and the results.");

      //errorMessageText.setToolTipText("null");

      errorMessageText.setWrapStyleWord(true);

      errorMessagePane.add(errorMessageText);



      seeBelowText.setBackground(super.getBackground());

      seeBelowText.setEditable(false);

      seeBelowText.setLineWrap(true);

      seeBelowText.setWrapStyleWord(true);

      seeBelowText.setText (parent.langpack.getString ("CompilePanel.error.seebelow"));

      errorMessagePane.add (seeBelowText);



      getContentPane().add(errorMessagePane, java.awt.BorderLayout.NORTH);



      // use 12pt monospace font for compiler output etc.

      Font output_font = new Font ("Monospaced", Font.PLAIN, 12);



      //errorDisplayPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);

      //errorDisplayPane.setName("null");

      commandText.setFont (output_font);

      commandText.setEditable(false);

      commandText.setRows(10);

      commandText.setColumns(82);

      commandText.setWrapStyleWord(true);

      commandText.setLineWrap(true);

      //commandText.setText("akjfkajfeafjakefjakfkaejfja");

      commandScrollPane.setViewportView(commandText);



      errorDisplayPane.addTab("Command", commandScrollPane);



      stdOutText.setFont (output_font);

      stdOutText.setEditable(false);

      stdOutText.setWrapStyleWord(true);

      stdOutText.setLineWrap(true);

      stdOutScrollPane.setViewportView(stdOutText);



      errorDisplayPane.addTab("Standard Output", null, stdOutScrollPane);



      stdErrText.setFont (output_font);

      stdErrText.setEditable(false);

      stdErrText.setWrapStyleWord(true);

      stdErrText.setLineWrap(true);

      stdErrScrollPane.setViewportView(stdErrText);



      errorDisplayPane.addTab("Standard Error", null, stdErrScrollPane);



      getContentPane().add(errorDisplayPane, java.awt.BorderLayout.CENTER);



      buttonsPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.RIGHT));



      reconfigButton.addActionListener (this);

      buttonsPanel.add(reconfigButton);



      ignoreButton.addActionListener (this);

      buttonsPanel.add(ignoreButton);



      abortButton.addActionListener (this);

      buttonsPanel.add(abortButton);



      getContentPane().add(buttonsPanel, java.awt.BorderLayout.SOUTH);



      pack();

    }



    /** Closes the dialog */

    protected void closeDialog(java.awt.event.WindowEvent evt) 

    {

      setVisible(false);

      dispose();

    }





    public void show (CompileResult error)

    {

      this.errorMessageText.setText (error.getMessage ());

      this.commandText.setText (error.getCmdline ());

      this.stdOutText.setText (error.getStdout ());

      this.stdErrText.setText (error.getStderr ());

      super.show();

    }



    public int getResult ()

    {

      return this.result;

    }





    public void actionPerformed (ActionEvent e)

    {

      boolean closenow = false;



      if (e.getSource () == this.ignoreButton)

      {

        this.result = RESULT_IGNORE;

        closenow = true;

      }

      else if (e.getSource () == this.abortButton)

      {

        this.result = RESULT_ABORT;

        closenow = true;

      }

      else if (e.getSource () == this.reconfigButton)

      {

        this.result = RESULT_RECONFIGURE;

        closenow = true;

      }



      if (closenow)

      {

        this.setVisible (false);

        this.dispose ();

      }



    }



    // Variables declaration - do not modify//GEN-BEGIN:variables

    private JTextArea commandText;

    //private JScrollPane stdOutScrollPane;

    private JTextArea stdErrText;

    //private JPanel buttonsPanel;

    //private JScrollPane commandScrollPane;

    private JTextArea errorMessageText;

    //private JScrollPane stdErrScrollPane;

    private JButton ignoreButton;

    private JTextArea stdOutText;

    private JButton abortButton;

    private JButton reconfigButton;

    //private JTabbedPane errorDisplayPane;

    // End of variables declaration//GEN-END:variables



    private int result = RESULT_NONE;

  }

}