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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.

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package org.netbeans.modules.ada.project.ui.wizards;

import java.io.File;

import javax.swing.JFileChooser;

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import javax.swing.text.Document;

import org.netbeans.spi.project.ui.support.ProjectChooser;

import org.openide.WizardDescriptor;

import org.openide.WizardValidationException;

import org.openide.filesystems.FileUtil;

import org.openide.util.NbBundle;

/**

 *

 * @author Andrea Lucarelli

 */

class ExistingAdaProjectPanelVisual extends SettingsPanel implements DocumentListener {

    private PanelConfigureProject panel;

    /**

     *

     * Creates new form ExistingAdaProjectPanelVisual

     */

    public ExistingAdaProjectPanelVisual(final PanelConfigureProject panel) {

        assert panel != null;

        this.panel = panel;

        initComponents();

        postInitComponents();

    }

    private void postInitComponents () {

        this.projectFolderTextField.getDocument().addDocumentListener(this);

        this.projectNameTextField.getDocument().addDocumentListener(this);

    }

    /** 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.

     */

    @SuppressWarnings("unchecked")

    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents

    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();

        jLabel2 = new javax.swing.JLabel();

        projectNameTextField = new javax.swing.JTextField();

        projectFolderTextField = new javax.swing.JTextField();

        browse = new javax.swing.JButton();

        jLabel1.setLabelFor(projectNameTextField);

        org.openide.awt.Mnemonics.setLocalizedText(jLabel1, org.openide.util.NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ExistingAdaProjectPanelVisual.projectName.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(jLabel2, org.openide.util.NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ExistingAdaProjectPanelVisual.projectFolder.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(browse, org.openide.util.NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ExistingAdaProjectPanelVisual.browse.text")); // NOI18N

        browse.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                browseAction(evt);

            }

        });

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);

        this.setLayout(layout);

        layout.setHorizontalGroup(

            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

            .add(layout.createSequentialGroup()

                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

                    .add(jLabel2)

                    .add(jLabel1))

                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

                    .add(layout.createSequentialGroup()

                        .add(projectFolderTextField, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 276, Short.MAX_VALUE)

                        .add(1, 1, 1)

                        .add(browse))

                    .add(projectNameTextField, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 344, Short.MAX_VALUE))

                .addContainerGap())

        );

        layout.setVerticalGroup(

            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)

            .add(layout.createSequentialGroup()

                .addContainerGap()

                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)

                    .add(jLabel1)

                    .add(projectNameTextField, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))

                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)

                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)

                    .add(jLabel2)

                    .add(projectFolderTextField, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)

                    .add(browse))

                .addContainerGap(29, Short.MAX_VALUE))

        );

    }// </editor-fold>//GEN-END:initComponents

    private void browseAction(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseAction

        JFileChooser chooser = new JFileChooser();

        FileUtil.preventFileChooserSymlinkTraversal(chooser, null);

        chooser.setDialogTitle(NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "LBL_SelectProjectFolder"));

        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

        String path = this.projectFolderTextField.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();

            projectFolderTextField.setText(FileUtil.normalizeFile(projectDir).getAbsolutePath());

        }

        panel.fireChangeEvent();

    }//GEN-LAST:event_browseAction

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

    private javax.swing.JButton browse;

    private javax.swing.JLabel jLabel1;

    private javax.swing.JLabel jLabel2;

    private javax.swing.JTextField projectFolderTextField;

    private javax.swing.JTextField projectNameTextField;

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

    @Override

    void store(WizardDescriptor settings) {

        assert  settings != null;

        String name = projectNameTextField.getText().trim();

        String folder = projectFolderTextField.getText().trim();

        settings.putProperty(NewAdaProjectWizardIterator.PROP_PROJECT_LOCATION, FileUtil.normalizeFile(new File(folder)));

        settings.putProperty(NewAdaProjectWizardIterator.PROP_PROJECT_NAME, name);

    }

    @Override

    void read(WizardDescriptor settings) {

        File projectLocation = (File) settings.getProperty(NewAdaProjectWizardIterator.PROP_PROJECT_LOCATION);

        String defaultName = null;

        if (projectLocation == null || projectLocation.getParentFile() == null || !projectLocation.getParentFile().isDirectory()) {

            defaultName = NewAdaProjectWizardIterator.getFreeFolderName(ProjectChooser.getProjectsFolder(), "AdaApplication");     //NOI18N

            projectLocation = new File (ProjectChooser.getProjectsFolder(),defaultName);

        }

        this.projectFolderTextField.setText(projectLocation.getAbsolutePath());

        String projectName = (String) settings.getProperty(NewAdaProjectWizardIterator.PROP_PROJECT_NAME);

        if (projectName == null) {

            assert defaultName != null;

            projectName = defaultName;

        }

        this.projectNameTextField.setText(projectName);

        this.projectNameTextField.selectAll();

    }

    @Override

    boolean valid(WizardDescriptor settings) {

        if (projectNameTextField.getText().length() == 0) {

            settings.putProperty("WizardPanel_errorMessage",

                    NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ERR_WrongName"));

            return false; // Display name not specified

        }

        File f = FileUtil.normalizeFile(new File(projectFolderTextField.getText()).getAbsoluteFile());

        if (f.exists() && !f.isDirectory()) {

            String message = NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ERR_WrongProjectFolder");

            settings.putProperty("WizardPanel_errorMessage", message);

            return false;

        }

        if (f.exists() && !f.canWrite()) {

            settings.putProperty("WizardPanel_errorMessage",

                    NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ERR_ReadOnlyProjectFolder"));

            return false;

        }

        if (f.exists() && FileUtil.toFileObject(f) == null) {

            String message = NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ERR_WrongProjectFolder");

            settings.putProperty("WizardPanel_errorMessage", message);

            return false;

        }

        File[] kids = f.listFiles();

        if (kids != null) {

            for (File kid : kids) {

                if ("nbproject".equals(kid.getName())) {    //NOI18N

                    settings.putProperty("WizardPanel_errorMessage",

                    NbBundle.getMessage(ExistingAdaProjectPanelVisual.class, "ERR_AlreadyAnProject"));

                    return false;

                }

            }

        }

        settings.putProperty("WizardPanel_errorMessage", "");   //NOI18N

        return true;

    }

    @Override

    void validate(WizardDescriptor settings) throws WizardValidationException {        

    }

    public void insertUpdate(DocumentEvent e) {

        handleDocChange ();

        }

    public void removeUpdate(DocumentEvent e) {

        handleDocChange ();

        }

    public void changedUpdate(DocumentEvent e) {

        handleDocChange ();

        }

    private void handleDocChange () {

        this.panel.fireChangeEvent();

        }

}