package net.java.nboglpack.joglproject;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.Document;
import net.java.nboglpack.jogl.util.JOGLDistribution;
import org.jdesktop.layout.GroupLayout;
import org.jdesktop.layout.LayoutStyle;
import org.netbeans.spi.project.ui.support.ProjectChooser;
import org.openide.WizardDescriptor;
import org.openide.WizardValidationException;
import org.openide.awt.Mnemonics;
import org.openide.filesystems.FileUtil;

/**
 * Main panel to set up the new-JOGL-project.
 * @author Mathias Henze
 * @author Michael Bien
 */
public class ProjectPanelVisual extends JPanel implements DocumentListener
{
	
    public static final String PROP_PROJECT_NAME = "projectName";
    public static final String PROP_PROJECT_PACKAGE = "projectPackage";

    private ProjectWizardPanel panel;

    /** Creates new form PanelProjectLocationVisual */
    public ProjectPanelVisual(ProjectWizardPanel panel)
    {
        initComponents();
        this.panel = panel;
        // Register listener on the textFields to make the automatic updates
        projectNameTextField.getDocument().addDocumentListener(this);
        projectLocationTextField.getDocument().addDocumentListener(this);
        projectPackageTextField.getDocument().addDocumentListener(this);
    }


    public String getProjectName()
    {
        return this.projectNameTextField.getText();
    }
	
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
        JLabel projectNameLabel = new JLabel();
        JLabel projectLocationLabel = new JLabel();
        JLabel createdFolderLabel = new JLabel();
        JLabel projectPackageLabel = new JLabel();
        JLabel createdMainClassLabel = new JLabel();
        JLabel createdMainClassLabel1 = new JLabel();
        projectNameTextField = new JTextField();
        projectLocationTextField = new JTextField();
        createdFolderTextField = new JTextField();
        projectPackageTextField = new JTextField();
        createdMainClassTextField = new JTextField();
        JButton browseButton = new JButton();
        platformDropDown = new JComboBox();
        JTextArea platformHint = new JTextArea();

        projectNameLabel.setLabelFor(projectNameTextField);
        Mnemonics.setLocalizedText(projectNameLabel, "Project &Name:");

        projectLocationLabel.setLabelFor(projectLocationTextField);
        Mnemonics.setLocalizedText(projectLocationLabel, "Project &Location:");

        createdFolderLabel.setLabelFor(createdFolderTextField);
        Mnemonics.setLocalizedText(createdFolderLabel, "Project &Folder:");

        projectPackageLabel.setLabelFor(projectNameTextField);
        Mnemonics.setLocalizedText(projectPackageLabel, "Project Package:");

        createdMainClassLabel.setLabelFor(createdFolderTextField);
        Mnemonics.setLocalizedText(createdMainClassLabel, "Main Class:");

        createdMainClassLabel1.setLabelFor(createdFolderTextField);
        Mnemonics.setLocalizedText(createdMainClassLabel1, "Platform:");

        createdFolderTextField.setEditable(false);

        createdMainClassTextField.setEditable(false);

        Mnemonics.setLocalizedText(browseButton, "Br&owse...");
        browseButton.setActionCommand("BROWSE");
        browseButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                browseButtonActionPerformed(evt);
            }
        });

        platformDropDown.setModel(createPlatformComboBoxModel());

        platformHint.setColumns(20);
        platformHint.setEditable(false);
        platformHint.setLineWrap(true);
        platformHint.setRows(5);
        platformHint.setText("This is the platform of your development system. You can generate distributions for all supported platforms.");
        platformHint.setWrapStyleWord(true);
        platformHint.setOpaque(false);

        GroupLayout layout = new GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(GroupLayout.LEADING)
                    .add(projectNameLabel)
                    .add(projectLocationLabel)
                    .add(createdFolderLabel)
                    .add(projectPackageLabel)
                    .add(createdMainClassLabel)
                    .add(createdMainClassLabel1))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(layout.createParallelGroup(GroupLayout.LEADING)
                    .add(platformDropDown, 0, 357, Short.MAX_VALUE)
                    .add(createdMainClassTextField, GroupLayout.DEFAULT_SIZE, 357, Short.MAX_VALUE)
                    .add(projectPackageTextField, GroupLayout.DEFAULT_SIZE, 357, Short.MAX_VALUE)
                    .add(GroupLayout.TRAILING, projectNameTextField, GroupLayout.DEFAULT_SIZE, 357, Short.MAX_VALUE)
                    .add(GroupLayout.TRAILING, projectLocationTextField, GroupLayout.DEFAULT_SIZE, 357, Short.MAX_VALUE)
                    .add(GroupLayout.TRAILING, createdFolderTextField, GroupLayout.DEFAULT_SIZE, 357, Short.MAX_VALUE)
                    .add(platformHint, GroupLayout.PREFERRED_SIZE, 357, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(browseButton)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(GroupLayout.BASELINE)
                    .add(projectNameLabel)
                    .add(projectNameTextField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(layout.createParallelGroup(GroupLayout.BASELINE)
                    .add(projectLocationLabel)
                    .add(projectLocationTextField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                    .add(browseButton))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(layout.createParallelGroup(GroupLayout.BASELINE)
                    .add(createdFolderLabel)
                    .add(createdFolderTextField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(layout.createParallelGroup(GroupLayout.BASELINE)
                    .add(projectPackageLabel)
                    .add(projectPackageTextField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(layout.createParallelGroup(GroupLayout.BASELINE)
                    .add(createdMainClassLabel)
                    .add(createdMainClassTextField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(layout.createParallelGroup(GroupLayout.BASELINE)
                    .add(platformDropDown, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                    .add(createdMainClassLabel1))
                .addPreferredGap(LayoutStyle.RELATED)
                .add(platformHint, GroupLayout.PREFERRED_SIZE, 41, GroupLayout.PREFERRED_SIZE)
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents
	
    private void browseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseButtonActionPerformed
        String command = evt.getActionCommand();
        if ("BROWSE".equals(command))
        {
            JFileChooser chooser = new JFileChooser();
            FileUtil.preventFileChooserSymlinkTraversal(chooser, null);
            chooser.setDialogTitle("Select Project Location");
            chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
            String path = this.projectLocationTextField.getText();
            if (path.length() > 0)
            {
                File f = new File(path);
                if (f.exists())
                {
                    chooser.setSelectedFile(f);
                }
            }
            if (JFileChooser.APPROVE_OPTION == chooser.showOpenDialog(this))
            {
                File projectDir = chooser.getSelectedFile();
                projectLocationTextField.setText(FileUtil.normalizeFile(projectDir).getAbsolutePath());
            }
            panel.fireChangeEvent();
        }
			
    }//GEN-LAST:event_browseButtonActionPerformed
		
		
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private JTextField createdFolderTextField;
    private JTextField createdMainClassTextField;
    private JComboBox platformDropDown;
    private JTextField projectLocationTextField;
    private JTextField projectNameTextField;
    private JTextField projectPackageTextField;
    // End of variables declaration//GEN-END:variables
    
    private ComboBoxModel createPlatformComboBoxModel() {
        return new DefaultComboBoxModel( JOGLDistribution.values() );
    }
    
    @Override
    public void addNotify()
    {
        super.addNotify();
        //same problem as in 31086, initial focus on Cancel button
        projectNameTextField.requestFocus();
    }
	
    boolean valid(WizardDescriptor wizardDescriptor)
    {
        boolean errors= false;
        if (projectNameTextField.getText().length() == 0)
        {
            wizardDescriptor.putProperty("WizardPanel_errorMessage",
                    "Project Name is not a valid folder name.");
            errors= true; //Display name not specified
        }
        if (!projectPackageTextField.getText().matches("^[\\w\\.]+$"))
        {
            wizardDescriptor.putProperty("WizardPanel_errorMessage",
                    "Project package is not a valid package name.");
            errors= true; // Display name not specified
        }
        if(errors) return false;

        File f = FileUtil.normalizeFile(new File(projectLocationTextField.getText()).getAbsoluteFile());
        if (!f.isDirectory())
        {
            String message = "Project Folder is not a valid path.";
            wizardDescriptor.putProperty("WizardPanel_errorMessage", message);
            return false;
        }
        final File destFolder = FileUtil.normalizeFile(new File(createdFolderTextField.getText()).getAbsoluteFile());

        File projLoc = destFolder;
        while (projLoc != null && !projLoc.exists())
        {
            projLoc = projLoc.getParentFile();
        }
        if (projLoc == null || !projLoc.canWrite())
        {
            wizardDescriptor.putProperty("WizardPanel_errorMessage",
                    "Project Folder cannot be created.");
            return false;
        }

        if (FileUtil.toFileObject(projLoc) == null)
        {
            String message = "Project Folder is not a valid path.";
            wizardDescriptor.putProperty("WizardPanel_errorMessage", message);
            return false;
        }

        File[] kids = destFolder.listFiles();
        if (destFolder.exists() && kids != null && kids.length > 0)
        {
            // Folder exists and is not empty
            wizardDescriptor.putProperty("WizardPanel_errorMessage",
                    "Project Folder already exists and is not empty.");
            return false;
        }
        wizardDescriptor.putProperty("WizardPanel_errorMessage", "");
        return true;
    }

    void store(WizardDescriptor d)
    {
        String name = projectNameTextField.getText().trim();
        String packageName = projectPackageTextField.getText().trim();
        String folder = createdFolderTextField.getText().trim();

        char[] chars= name.replaceAll("\\W+"," ").toCharArray();
        String mainClass="";
        char lastChar=' ';
        for (int i = 0; i < chars.length; i++)
        {
            if(lastChar==' ')
                mainClass+=Character.toUpperCase(chars[i]);
            else if(chars[i]!=' ')
                mainClass+=chars[i];
            lastChar=chars[i];
        }

        d.putProperty("projdir", new File(folder));
        d.putProperty("name", name);
        d.putProperty("projpackage", packageName);
        d.putProperty("projclass", mainClass);
        d.putProperty("platform", ((JOGLDistribution)platformDropDown.getSelectedItem()).key());
    }

    void read(WizardDescriptor settings)
    {
        File projectLocation = (File) settings.getProperty("projdir");
        if (projectLocation == null || projectLocation.getParentFile() == null || !projectLocation.getParentFile().isDirectory())
        {
            projectLocation = ProjectChooser.getProjectsFolder();
        }
        else
        {
            projectLocation = projectLocation.getParentFile();
        }
        this.projectLocationTextField.setText(projectLocation.getAbsolutePath());

        String projectPackage = (String)settings.getProperty("projpackage");
        if(projectPackage == null)
        {
            projectPackage = "org.yourorghere";
        }
        this.projectPackageTextField.setText(projectPackage);
        
        String platform = (String)settings.getProperty("platform");
        if(platform == null) {
            JOGLDistribution dist = JOGLDistribution.getCompatible();
            if(dist != null)
                this.platformDropDown.setSelectedItem(dist);
        }else{
            JOGLDistribution dist = JOGLDistribution.parseKey(platform);
            if(dist != null)
                this.platformDropDown.setSelectedItem(dist);
        }

        String projectName = (String) settings.getProperty("name");
        if(projectName == null)
        {
            projectName = "JOGLApp";
        }
        this.projectNameTextField.setText(projectName);
        this.projectNameTextField.selectAll();
    }

    void validate(WizardDescriptor d) throws WizardValidationException
    {
        // nothing to validate
    }

    // Implementation of DocumentListener --------------------------------------

    public void changedUpdate(DocumentEvent e)
    {
        updateTexts(e);
        if (this.projectNameTextField.getDocument() == e.getDocument())
        {
                firePropertyChange(PROP_PROJECT_NAME,null,this.projectNameTextField.getText());
        }
        if (this.projectPackageTextField.getDocument() == e.getDocument())
        {
                firePropertyChange(PROP_PROJECT_PACKAGE,null,this.projectPackageTextField.getText());
        }
    }

    public synchronized  void insertUpdate(DocumentEvent e)
    {
        updateTexts(e);
        if (this.projectNameTextField.getDocument() == e.getDocument())
        {
                firePropertyChange(PROP_PROJECT_NAME,null,this.projectNameTextField.getText());
        }
        if (this.projectPackageTextField.getDocument() == e.getDocument())
        {
                firePropertyChange(PROP_PROJECT_PACKAGE,null,this.projectPackageTextField.getText());
        }
    }

    public void removeUpdate(DocumentEvent e)
    {
        updateTexts(e);
        if (this.projectNameTextField.getDocument() == e.getDocument())
        {
                firePropertyChange(PROP_PROJECT_NAME,null,this.projectNameTextField.getText());
        }
        if (this.projectPackageTextField.getDocument() == e.getDocument())
        {
                firePropertyChange(PROP_PROJECT_PACKAGE,null,this.projectPackageTextField.getText());
        }
    }

    /** Handles changes in the Project name and project directory, */
    private void updateTexts(DocumentEvent e)
    {

        Document doc = e.getDocument();

        if (doc == projectPackageTextField.getDocument() || doc == projectNameTextField.getDocument() || doc == projectLocationTextField.getDocument())
        {
                // Change in the project name

                String projectName = projectNameTextField.getText();
                String projectFolder = projectLocationTextField.getText();
                String projectPackage = projectPackageTextField.getText();

                //if (projectFolder.trim().length() == 0 || projectFolder.equals(oldName)) {
                createdFolderTextField.setText(projectFolder + File.separatorChar + projectName);
                //}

                char[] chars= projectName.replaceAll("\\W+"," ").toCharArray();
                String mainClass="";
                char lastChar=' ';
                for (int i = 0; i < chars.length; i++)
                {
                        if(lastChar==' ')
                                mainClass+=Character.toUpperCase(chars[i]);
                        else if(chars[i]!=' ')
                                mainClass+=chars[i];
                        lastChar=chars[i];
                }

                createdMainClassTextField.setText(projectPackage + "." + mainClass);
        }
        panel.fireChangeEvent(); // Notify that the panel changed
    }
}
