/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */


package org.netbeans.modules.java.j2seproject.ui.wizards;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.text.MessageFormat;
import java.util.StringTokenizer;
import javax.swing.event.DocumentListener;
import javax.swing.event.DocumentEvent;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.WizardDescriptor;
import org.openide.util.NbBundle;

/**
 *
 * @author  phrebejk
 */
public class PanelOptionsVisual extends SettingsPanel implements ActionListener, PropertyChangeListener {
    
    private static boolean lastMainClassCheck = true; // XXX Store somewhere
    
    private PanelConfigureProject panel;
    private boolean valid;
    
    /** Creates new form PanelOptionsVisual */
    public PanelOptionsVisual( PanelConfigureProject panel, int type ) {
        initComponents();
        this.panel = panel;

        switch (type) {
            case NewJ2SEProjectWizardIterator.TYPE_LIB:
                setAsMainCheckBox.setVisible( false );
                createMainCheckBox.setVisible( false );
                mainClassTextField.setVisible( false );
                break;
            case NewJ2SEProjectWizardIterator.TYPE_APP:
                createMainCheckBox.addActionListener( this );
                createMainCheckBox.setSelected( lastMainClassCheck );
                mainClassTextField.setEnabled( lastMainClassCheck );
                break;
            case NewJ2SEProjectWizardIterator.TYPE_EXT:
                setAsMainCheckBox.setVisible( true );
                createMainCheckBox.setVisible( false );
                mainClassTextField.setVisible( false );
                break;
        }
        
        this.mainClassTextField.getDocument().addDocumentListener( new DocumentListener () {
            
            public void insertUpdate(DocumentEvent e) {
                mainClassChanged ();
            }
            
            public void removeUpdate(DocumentEvent e) {
                mainClassChanged ();
            }
            
            public void changedUpdate(DocumentEvent e) {
                mainClassChanged ();
            }
            
        });
    }

    public void actionPerformed( ActionEvent e ) {        
        if ( e.getSource() == createMainCheckBox ) {
            lastMainClassCheck = createMainCheckBox.isSelected();
            mainClassTextField.setEnabled( lastMainClassCheck );        
            this.panel.fireChangeEvent();
        }                
    }
    
    public void propertyChange (PropertyChangeEvent event) {
        if (PanelProjectLocationVisual.PROP_PROJECT_NAME.equals(event.getPropertyName())) {
            String newProjectName = NewJ2SEProjectWizardIterator.getPackageName((String) event.getNewValue());
            this.mainClassTextField.setText (MessageFormat.format(
                NbBundle.getMessage (PanelOptionsVisual.class,"TXT_ClassName"), new Object[] {newProjectName}
            ));
        }
    }
    
    /** 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.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        setAsMainCheckBox = new javax.swing.JCheckBox();
        createMainCheckBox = new javax.swing.JCheckBox();
        mainClassTextField = new javax.swing.JTextField();
        jPanel1 = new javax.swing.JPanel();

        setLayout(new java.awt.GridBagLayout());

        getAccessibleContext().setAccessibleName(org.openide.util.NbBundle.getMessage(PanelOptionsVisual.class, "ACSN_PanelOptionsVisual"));
        getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(PanelOptionsVisual.class, "ACSD_PanelOptionsVisual"));
        setAsMainCheckBox.setSelected(true);
        org.openide.awt.Mnemonics.setLocalizedText(setAsMainCheckBox, java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("LBL_setAsMainCheckBox"));
        setAsMainCheckBox.setMargin(new java.awt.Insets(0, 0, 0, 0));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 5, 0);
        add(setAsMainCheckBox, gridBagConstraints);
        setAsMainCheckBox.getAccessibleContext().setAccessibleName(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ACSN_setAsMainCheckBox"));
        setAsMainCheckBox.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ACSD_setAsMainCheckBox"));

        createMainCheckBox.setSelected(true);
        org.openide.awt.Mnemonics.setLocalizedText(createMainCheckBox, java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("LBL_createMainCheckBox"));
        createMainCheckBox.setMargin(new java.awt.Insets(0, 0, 0, 0));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 12, 0);
        add(createMainCheckBox, gridBagConstraints);
        createMainCheckBox.getAccessibleContext().setAccessibleName(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ACSN_createMainCheckBox"));
        createMainCheckBox.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ACSD_createMainCheckBox"));

        mainClassTextField.setText("com.myapp.Main"); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 12, 12, 0);
        add(mainClassTextField, gridBagConstraints);
        mainClassTextField.getAccessibleContext().setAccessibleName(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ASCN_mainClassTextFiled"));
        mainClassTextField.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ASCD_mainClassTextFiled"));

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.gridheight = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        add(jPanel1, gridBagConstraints);
        jPanel1.getAccessibleContext().setAccessibleName(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ACSN_jPanel1"));
        jPanel1.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/java/j2seproject/ui/wizards/Bundle").getString("ASCD_jPanel1"));

    }//GEN-END:initComponents
    
    boolean valid(WizardDescriptor settings) {
        if (mainClassTextField.isVisible () && mainClassTextField.isEnabled ()) {
            if (!valid) {
                settings.putProperty( "WizardPanel_errorMessage", // NOI18N
                    NbBundle.getMessage(PanelOptionsVisual.class,"ERROR_IllegalMainClassName")); //NOI18N
            }
            return this.valid;
        }
        else {
            return true;
        }
    }
    
    void read (WizardDescriptor d) {
        //TODO:
    }

    void store( WizardDescriptor d ) {
        d.putProperty( /*XXX Define somewhere */ "setAsMain", setAsMainCheckBox.isSelected() && setAsMainCheckBox.isVisible() ? Boolean.TRUE : Boolean.FALSE ); // NOI18N
        d.putProperty( /*XXX Define somewhere */ "mainClass", createMainCheckBox.isSelected() && createMainCheckBox.isVisible() ? mainClassTextField.getText() : null ); // NOI18N
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JCheckBox createMainCheckBox;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField mainClassTextField;
    private javax.swing.JCheckBox setAsMainCheckBox;
    // End of variables declaration//GEN-END:variables
    
    private void mainClassChanged () {
        String mainClassName = this.mainClassTextField.getText ();
        StringTokenizer tk = new StringTokenizer (mainClassName, "."); //NOI18N
        boolean valid = true;
out:        while (tk.hasMoreTokens()) {
            String token = tk.nextToken();
            if (token.length() == 0) {
                valid = false;
                break out;
            }
            for (int i=0; i< token.length();i++) {
                if ((i == 0 && !Character.isJavaIdentifierStart(token.charAt(0)))
                    || (i != 0 && !Character.isJavaIdentifierPart(token.charAt(i)))) {
                        valid = false;                        
                        break out;
                }
            }
        }
        this.valid = valid;
        this.panel.fireChangeEvent();
    }
}