/*
 *                 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.project.ui;

import java.awt.Component;
import java.awt.event.ActionListener;
import java.io.File;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.DocumentListener;
import org.netbeans.api.project.Project;
import org.netbeans.api.project.ProjectUtils;
import org.netbeans.api.project.SourceGroup;
import org.netbeans.api.project.Sources;
import org.netbeans.spi.project.support.GenericSources;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.util.NbBundle;

/**
 *
 * @author  phrebejk
 */
public class SimpleTargetChooserPanelGUI extends javax.swing.JPanel implements ActionListener, DocumentListener {
  
    /** prefered dimmension of the panels */
    private static final java.awt.Dimension PREF_DIM = new java.awt.Dimension (500, 340);
    
    private final ListCellRenderer CELL_RENDERER = new GroupCellRenderer();
        
    private Project project;
    private String expectedExtension;
    private final List/**/ listeners = new ArrayList();
    private SourceGroup[] folders;
    private boolean isFolder;
    
    /** Creates new form SimpleTargetChooserGUI */
    public SimpleTargetChooserPanelGUI( Project project, SourceGroup[] folders, Component bottomPanel, boolean isFolder ) {
        this.project = project;
        this.folders=folders;
        this.isFolder = isFolder;
        initComponents();
        
        locationComboBox.setRenderer( CELL_RENDERER );
        
        if ( bottomPanel != null ) {
            bottomPanelContainer.add( bottomPanel, java.awt.BorderLayout.CENTER );
        }
        initValues( null, null );
        
        browseButton.addActionListener( this );
        locationComboBox.addActionListener( this );
        documentNameTextField.getDocument().addDocumentListener( this );
        folderTextField.getDocument().addDocumentListener( this );
        
        setName (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_SimpleTargetChooserPanel_Name")); // NOI18N
    }
    
    public void initValues( FileObject template, FileObject preselectedFolder ) {
        assert project != null;
        
        projectTextField.setText(ProjectUtils.getInformation(project).getDisplayName());
        
        Sources sources = ProjectUtils.getSources( project );
                        
        folders = sources.getSourceGroups( Sources.TYPE_GENERIC );
        
        if ( folders.length < 2 ) {
            // one source group i.e. hide Location
            locationLabel.setVisible( false );
            locationComboBox.setVisible( false );
        }
        else {
            // more source groups user needs to select location
            locationLabel.setVisible( true );
            locationComboBox.setVisible( true );
            
        }
        
        locationComboBox.setModel( new DefaultComboBoxModel( folders ) );
        // Guess the group we want to create the file in
        SourceGroup preselectedGroup = getPreselectedGroup( folders, preselectedFolder );        
        locationComboBox.setSelectedItem( preselectedGroup );               
        // Create OS dependent relative name
        folderTextField.setText( getRelativeNativeName( preselectedGroup.getRootFolder(), preselectedFolder ) );
        
        String ext = template == null ? "" : template.getExt(); // NOI18N
        expectedExtension = ext.length() == 0 ? "" : "." + ext; // NOI18N
        
        String displayName = null;
        try {
            if (template != null) {
                DataObject templateDo = DataObject.find (template);
                displayName = templateDo.getNodeDelegate ().getDisplayName ();
            }
        } catch (DataObjectNotFoundException ex) {
            displayName = template.getName ();
        }
        putClientProperty ("NewFileWizard_Title", displayName);// NOI18N        
        
        if (isFolder) {
            jLabel3.setText (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_FolderName_Label")); // NOI18N
            jLabel3.setDisplayedMnemonic (NbBundle.getMessage (SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_FolderName_Label").charAt (0)); // NOI18N
            jLabel2.setText (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_ParentFolder_Label")); // NOI18N
            jLabel2.setDisplayedMnemonic (NbBundle.getMessage (SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_ParentFolder_Label").charAt (0)); // NOI18N
            jLabel4.setText (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_CreatedFolder_Label")); // NOI18N
            jLabel4.setDisplayedMnemonic (NbBundle.getMessage (SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_CreatedFolder_Label").charAt (0)); // NOI18N
        } else {
            jLabel3.setText (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_FileName_Label")); // NOI18N
            jLabel2.setText (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_Folder_Label")); // NOI18N
            jLabel4.setText (NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_CreatedFile_Label")); // NOI18N
            jLabel3.setDisplayedMnemonic (NbBundle.getMessage (SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_FileName_Label").charAt (0)); // NOI18N
            jLabel2.setDisplayedMnemonic (NbBundle.getMessage (SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_Folder_Label").charAt (0)); // NOI18N
            jLabel4.setDisplayedMnemonic (NbBundle.getMessage (SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_CreatedFile_Label").charAt (0)); // NOI18N
        }
    }
    
    public SourceGroup getTargetGroup() {
        return (SourceGroup)locationComboBox.getSelectedItem();
    }
        
    public String getTargetFolder() {
        
        String folderName = folderTextField.getText().trim();
        
        if ( folderName.length() == 0 ) {
            return null;
        }
        else {           
            return folderName.replace( File.separatorChar, '/' ); // NOI18N
        }
    }
    
    public String getTargetName() {
        
        String text = documentNameTextField.getText().trim();
        
        if ( text.length() == 0 ) {
            return null;
        }
        else {
            return text;
        }
    }
    
        
    public java.awt.Dimension getPreferredSize() {
        return PREF_DIM;
    }
    
    public synchronized void addChangeListener(ChangeListener l) {
        listeners.add(l);
    }
    
    public synchronized void removeChangeListener(ChangeListener l) {
        listeners.remove(l);
    }
    
    private void fireChange() {
        ChangeEvent e = new ChangeEvent(this);
        List templist;
        synchronized (this) {
            templist = new ArrayList (listeners);
        }
        Iterator it = templist.iterator();
        while (it.hasNext()) {
            ((ChangeListener)it.next()).stateChanged(e);
        }
    }
        
    /** 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;

        jPanel1 = new javax.swing.JPanel();
        jLabel3 = new javax.swing.JLabel();
        documentNameTextField = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        projectTextField = new javax.swing.JTextField();
        locationLabel = new javax.swing.JLabel();
        locationComboBox = new javax.swing.JComboBox();
        jLabel2 = new javax.swing.JLabel();
        folderTextField = new javax.swing.JTextField();
        browseButton = new javax.swing.JButton();
        jLabel4 = new javax.swing.JLabel();
        fileTextField = new javax.swing.JTextField();
        targetSeparator = new javax.swing.JSeparator();
        bottomPanelContainer = new javax.swing.JPanel();

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

        getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_SimpleTargetChooserPanelGUI"));
        jPanel1.setLayout(new java.awt.GridBagLayout());

        jLabel3.setDisplayedMnemonic(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_FileName_Label").charAt(0));
        jLabel3.setText(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_FileName_Label"));
        jLabel3.setLabelFor(documentNameTextField);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(jLabel3, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 0, 0);
        jPanel1.add(documentNameTextField, gridBagConstraints);
        documentNameTextField.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_documentNameTextField"));

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 24, 0);
        add(jPanel1, gridBagConstraints);

        jLabel1.setDisplayedMnemonic(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_Project_Label").charAt(0));
        jLabel1.setText(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_Project_Label"));
        jLabel1.setLabelFor(projectTextField);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 6, 0);
        add(jLabel1, gridBagConstraints);

        projectTextField.setEditable(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 6, 0);
        add(projectTextField, gridBagConstraints);
        projectTextField.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_projectTextField"));

        locationLabel.setDisplayedMnemonic(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_Location_Label").charAt(0));
        locationLabel.setText(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_Location_Label"));
        locationLabel.setLabelFor(locationComboBox);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 5, 0);
        add(locationLabel, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 5, 0);
        add(locationComboBox, gridBagConstraints);
        locationComboBox.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_locationComboBox"));

        jLabel2.setDisplayedMnemonic(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_ParentFolder_Label").charAt(0));
        jLabel2.setText(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_Folder_Label"));
        jLabel2.setLabelFor(folderTextField);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 12, 0);
        add(jLabel2, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 12, 0);
        add(folderTextField, gridBagConstraints);
        folderTextField.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_folderTextField"));

        browseButton.setText(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_Browse_Button"));
        browseButton.setMnemonic(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_Browse_Button").charAt(0));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 3;
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 12, 0);
        add(browseButton, gridBagConstraints);
        browseButton.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_browseButton"));

        jLabel4.setDisplayedMnemonic(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "MNE_TargetChooser_CreatedFile_Label").charAt(0));
        jLabel4.setText(org.openide.util.NbBundle.getMessage(SimpleTargetChooserPanelGUI.class, "LBL_TargetChooser_CreatedFile_Label"));
        jLabel4.setLabelFor(fileTextField);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 12, 0);
        add(jLabel4, gridBagConstraints);

        fileTextField.setEditable(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 12, 0);
        add(fileTextField, gridBagConstraints);
        fileTextField.getAccessibleContext().setAccessibleDescription(java.util.ResourceBundle.getBundle("org/netbeans/modules/project/ui/Bundle").getString("AD_fileTextField"));

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 12, 0);
        add(targetSeparator, gridBagConstraints);

        bottomPanelContainer.setLayout(new java.awt.BorderLayout());

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.gridheight = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weighty = 1.0;
        add(bottomPanelContainer, gridBagConstraints);

    }//GEN-END:initComponents

    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel bottomPanelContainer;
    private javax.swing.JButton browseButton;
    private javax.swing.JTextField documentNameTextField;
    private javax.swing.JTextField fileTextField;
    private javax.swing.JTextField folderTextField;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JComboBox locationComboBox;
    private javax.swing.JLabel locationLabel;
    private javax.swing.JTextField projectTextField;
    private javax.swing.JSeparator targetSeparator;
    // End of variables declaration//GEN-END:variables

    private SourceGroup getPreselectedGroup( SourceGroup[] groups, FileObject folder ) {        
        for( int i = 0; folder != null && i < groups.length; i++ ) {
            if( FileUtil.isParentOf( groups[i].getRootFolder(), folder ) ) {
                return groups[i];
            }
        }
        return groups[0];
    }
    
    private String getRelativeNativeName( FileObject root, FileObject folder ) {
        if (root == null) {
            throw new NullPointerException("null root passed to getRelativeNativeName"); // NOI18N
        }
        
        String path;
        
        if (folder == null) {
            path = ""; // NOI18N
        }
        else {
            path = FileUtil.getRelativePath( root, folder );            
        }
        
        return path == null ? "" : path.replace( '/', File.separatorChar ); // NOI18N
    }
    
    private void updateCreatedFolder() {
        
        FileObject root = ((SourceGroup)locationComboBox.getSelectedItem()).getRootFolder();
            
        String folderName = folderTextField.getText().trim();
        String documentName = documentNameTextField.getText().trim();
        
        String createdFileName = FileUtil.getFileDisplayName( root ) + 
            ( folderName.startsWith("/") || folderName.startsWith( File.separator ) ? "" : "/" ) + // NOI18N
            folderName + 
            ( folderName.endsWith("/") || folderName.endsWith( File.separator ) || folderName.length() == 0 ? "" : "/" ) + // NOI18N
            documentName + expectedExtension;
            
        fileTextField.setText( createdFileName.replace( '/', File.separatorChar ) ); // NOI18N    
            
        fireChange();
    }
    
   
    // ActionListener implementation -------------------------------------------
    
    public void actionPerformed(java.awt.event.ActionEvent e) {
        if ( browseButton == e.getSource() ) {
            FileObject fo=null;
            // Show the browse dialog             
            
            SourceGroup group = (SourceGroup)locationComboBox.getSelectedItem();
            
            fo = BrowseFolders.showDialog( new SourceGroup[] { group }, 
                                           project, 
                                           folderTextField.getText().replace( File.separatorChar, '/' ) ); // NOI18N
                        
            if ( fo != null && fo.isFolder() ) {
                String relPath = FileUtil.getRelativePath( group.getRootFolder(), fo );
                folderTextField.setText( relPath.replace( '/', File.separatorChar ) ); // NOI18N
            }                        
        }
        else if ( locationComboBox == e.getSource() )  {
            updateCreatedFolder();
        }
    }    
    
    // DocumentListener implementation -----------------------------------------
    
    public void changedUpdate(javax.swing.event.DocumentEvent e) {
        updateCreatedFolder();
    }    
    
    public void insertUpdate(javax.swing.event.DocumentEvent e) {
        updateCreatedFolder();
    }
    
    public void removeUpdate(javax.swing.event.DocumentEvent e) {
        updateCreatedFolder();
    }
    
    
    // Rendering of the location combo box -------------------------------------
    
    private class GroupCellRenderer extends JLabel implements ListCellRenderer {
    
        public GroupCellRenderer() {
            setOpaque( true );
        }
        
        public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected, boolean cellHasFocus ) {
            if (value instanceof SourceGroup) {
                SourceGroup group = (SourceGroup)value;
                String projectDisplayName = ProjectUtils.getInformation( project ).getDisplayName();
                String groupDisplayName = group.getDisplayName();
                if ( projectDisplayName.equals( groupDisplayName ) ) {
                    setText( groupDisplayName );
                }
                else {
                    setText( MessageFormat.format( PhysicalView.GroupNode.GROUP_NAME_PATTERN,
                        new Object[] { groupDisplayName, projectDisplayName, group.getRootFolder().getName() } ) );
                    /*
                    setText( MessageFormat.format(
                        NbBundle.getMessage( SimpleTargetChooserPanelGUI.class, "FMT_TargetChooser_GroupProjectNameBadge" ), // NOI18N
                        new Object[] { groupDisplayName, projectDisplayName } ) );
                    */
                }
                
                setIcon( group.getIcon( false ) );
            } 
            else {
                setText( value.toString () );
                setIcon( null );
            }
            if ( isSelected ) {
                setBackground(list.getSelectionBackground());
                setForeground(list.getSelectionForeground());             
            }
            else {
                setBackground(list.getBackground());
                setForeground(list.getForeground());
             
            }
            return this;        
        }
                
    }
}