/*

 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.swing.plaf.synth;

import java.awt.*;

import java.awt.event.*;

import java.beans.*;

import java.io.*;

import java.util.*;

import java.security.AccessController;

import java.security.PrivilegedAction;

import javax.swing.*;

import javax.swing.event.*;

import javax.swing.filechooser.*;

import javax.swing.filechooser.FileFilter;

import javax.swing.plaf.basic.*;

import javax.swing.plaf.synth.*;

import javax.swing.plaf.ActionMapUIResource;

import sun.awt.shell.ShellFolder;

import sun.swing.*;

/**

 * Synth FileChooserUI implementation.

 * <p>

 * Note that the classes in the com.sun.java.swing.plaf.synth

 * package are not

 * part of the core Java APIs. They are a part of Sun's JDK and JRE

 * distributions. Although other licensees may choose to distribute

 * these classes, developers cannot depend on their availability in

 * non-Sun implementations. Additionally this API may change in

 * incompatible ways between releases. While this class is public, it

 * shoud be considered an implementation detail, and subject to change.

 *

 * @author Leif Samuelsson

 * @author Jeff Dinkins

 */

public class SynthFileChooserUIImpl extends SynthFileChooserUI {

    private JLabel lookInLabel;

    private JComboBox<File> directoryComboBox;

    private DirectoryComboBoxModel directoryComboBoxModel;

    private Action directoryComboBoxAction = new DirectoryComboBoxAction();

    private FilterComboBoxModel filterComboBoxModel;

    private JTextField fileNameTextField;

    private FilePane filePane;

    private JToggleButton listViewButton;

    private JToggleButton detailsViewButton;

    private boolean readOnly;

    private JPanel buttonPanel;

    private JPanel bottomPanel;

    private JComboBox<FileFilter> filterComboBox;

    private static final Dimension hstrut5 = new Dimension(5, 1);

    private static final Insets shrinkwrap = new Insets(0,0,0,0);

    // Preferred and Minimum sizes for the dialog box

    private static Dimension LIST_PREF_SIZE = new Dimension(405, 135);

    // Labels, mnemonics, and tooltips (oh my!)

    private int    lookInLabelMnemonic = 0;

    private String lookInLabelText = null;

    private String saveInLabelText = null;

    private int    fileNameLabelMnemonic = 0;

    private String fileNameLabelText = null;

    private int    folderNameLabelMnemonic = 0;

    private String folderNameLabelText = null;

    private int    filesOfTypeLabelMnemonic = 0;

    private String filesOfTypeLabelText = null;

    private String upFolderToolTipText = null;

    private String upFolderAccessibleName = null;

    private String homeFolderToolTipText = null;

    private String homeFolderAccessibleName = null;

    private String newFolderToolTipText = null;

    private String newFolderAccessibleName = null;

    private String listViewButtonToolTipText = null;

    private String listViewButtonAccessibleName = null;

    private String detailsViewButtonToolTipText = null;

    private String detailsViewButtonAccessibleName = null;

    private AlignedLabel fileNameLabel;

    private final PropertyChangeListener modeListener = new PropertyChangeListener() {

        public void propertyChange(PropertyChangeEvent event) {

            if (fileNameLabel != null) {

                populateFileNameLabel();

            }

        }

    };

    private void populateFileNameLabel() {

        if (getFileChooser().getFileSelectionMode() == JFileChooser.DIRECTORIES_ONLY) {

            fileNameLabel.setText(folderNameLabelText);

            fileNameLabel.setDisplayedMnemonic(folderNameLabelMnemonic);

        } else {

            fileNameLabel.setText(fileNameLabelText);

            fileNameLabel.setDisplayedMnemonic(fileNameLabelMnemonic);

        }

    }

    public SynthFileChooserUIImpl(JFileChooser b) {

        super(b);

    }

    private class SynthFileChooserUIAccessor implements FilePane.FileChooserUIAccessor {

        public JFileChooser getFileChooser() {

            return SynthFileChooserUIImpl.this.getFileChooser();

        }

        public BasicDirectoryModel getModel() {

            return SynthFileChooserUIImpl.this.getModel();

        }

        public JPanel createList() {

            return null;

        }

        public JPanel createDetailsView() {

            return null;

        }

        public boolean isDirectorySelected() {

            return SynthFileChooserUIImpl.this.isDirectorySelected();

        }

        public File getDirectory() {

            return SynthFileChooserUIImpl.this.getDirectory();

        }

        public Action getChangeToParentDirectoryAction() {

            return SynthFileChooserUIImpl.this.getChangeToParentDirectoryAction();

        }

        public Action getApproveSelectionAction() {

            return SynthFileChooserUIImpl.this.getApproveSelectionAction();

        }

        public Action getNewFolderAction() {

            return SynthFileChooserUIImpl.this.getNewFolderAction();

        }

        public MouseListener createDoubleClickListener(JList list) {

            return SynthFileChooserUIImpl.this.createDoubleClickListener(getFileChooser(),

                                                                     list);

        }

        public ListSelectionListener createListSelectionListener() {

            return SynthFileChooserUIImpl.this.createListSelectionListener(getFileChooser());

        }

    }

    protected void installDefaults(JFileChooser fc) {

        super.installDefaults(fc);

        readOnly = UIManager.getBoolean("FileChooser.readOnly");

    }

    public void installComponents(JFileChooser fc) {

        super.installComponents(fc);

        SynthContext context = getContext(fc, ENABLED);

        fc.setLayout(new BorderLayout(0, 11));

        // ********************************* //

        // **** Construct the top panel **** //

        // ********************************* //

        // Directory manipulation buttons

        JPanel topPanel = new JPanel(new BorderLayout(11, 0));

    JPanel topButtonPanel = new JPanel();

    topButtonPanel.setLayout(new BoxLayout(topButtonPanel, BoxLayout.LINE_AXIS));

    topPanel.add(topButtonPanel, BorderLayout.AFTER_LINE_ENDS);

        // Add the top panel to the fileChooser

        fc.add(topPanel, BorderLayout.NORTH);

        // ComboBox Label

        lookInLabel = new JLabel(lookInLabelText);

        lookInLabel.setDisplayedMnemonic(lookInLabelMnemonic);

        topPanel.add(lookInLabel, BorderLayout.BEFORE_LINE_BEGINS);

        // CurrentDir ComboBox

        directoryComboBox = new JComboBox<File>();

        directoryComboBox.getAccessibleContext().setAccessibleDescription(lookInLabelText);

        directoryComboBox.putClientProperty( "JComboBox.isTableCellEditor", Boolean.TRUE );

        lookInLabel.setLabelFor(directoryComboBox);

        directoryComboBoxModel = createDirectoryComboBoxModel(fc);

        directoryComboBox.setModel(directoryComboBoxModel);

        directoryComboBox.addActionListener(directoryComboBoxAction);

        directoryComboBox.setRenderer(createDirectoryComboBoxRenderer(fc));

        directoryComboBox.setAlignmentX(JComponent.LEFT_ALIGNMENT);

        directoryComboBox.setAlignmentY(JComponent.TOP_ALIGNMENT);

        directoryComboBox.setMaximumRowCount(8);

        topPanel.add(directoryComboBox, BorderLayout.CENTER);

        filePane = new FilePane(new SynthFileChooserUIAccessor());

        fc.addPropertyChangeListener(filePane);

        // Add 'Go Up' to context menu, plus 'Go Home' if on Unix

        JPopupMenu contextMenu = filePane.getComponentPopupMenu();

        if (contextMenu != null) {

            contextMenu.insert(getChangeToParentDirectoryAction(), 0);

            if (File.separatorChar == '/') {

                contextMenu.insert(getGoHomeAction(), 1);

            }

        }

    FileSystemView fsv = fc.getFileSystemView();

    // Up Button

    JButton upFolderButton = new JButton(getChangeToParentDirectoryAction());

    upFolderButton.setText(null);

    upFolderButton.setIcon(upFolderIcon);

    upFolderButton.setToolTipText(upFolderToolTipText);

    upFolderButton.getAccessibleContext().setAccessibleName(upFolderAccessibleName);

    upFolderButton.setAlignmentX(JComponent.LEFT_ALIGNMENT);

    upFolderButton.setAlignmentY(JComponent.CENTER_ALIGNMENT);

    upFolderButton.setMargin(shrinkwrap);

    topButtonPanel.add(upFolderButton);

    topButtonPanel.add(Box.createRigidArea(hstrut5));

    // Home Button

    File homeDir = fsv.getHomeDirectory();

    String toolTipText = homeFolderToolTipText;

    if (fsv.isRoot(homeDir)) {

        toolTipText = getFileView(fc).getName(homeDir); // Probably "Desktop".

    }

    JButton b = new JButton(homeFolderIcon);

    b.setToolTipText(toolTipText);

    b.getAccessibleContext().setAccessibleName(homeFolderAccessibleName);

    b.setAlignmentX(JComponent.LEFT_ALIGNMENT);

    b.setAlignmentY(JComponent.CENTER_ALIGNMENT);

    b.setMargin(shrinkwrap);

    b.addActionListener(getGoHomeAction());

    topButtonPanel.add(b);

    topButtonPanel.add(Box.createRigidArea(hstrut5));

    // New Directory Button

    if (!readOnly) {

        b = new JButton(filePane.getNewFolderAction());

        b.setText(null);

        b.setIcon(newFolderIcon);

        b.setToolTipText(newFolderToolTipText);

        b.getAccessibleContext().setAccessibleName(newFolderAccessibleName);

        b.setAlignmentX(JComponent.LEFT_ALIGNMENT);

        b.setAlignmentY(JComponent.CENTER_ALIGNMENT);

        b.setMargin(shrinkwrap);

        topButtonPanel.add(b);

        topButtonPanel.add(Box.createRigidArea(hstrut5));

    }

    // View button group

    ButtonGroup viewButtonGroup = new ButtonGroup();

    // List Button

    listViewButton = new JToggleButton(listViewIcon);

    listViewButton.setToolTipText(listViewButtonToolTipText);

    listViewButton.getAccessibleContext().setAccessibleName(listViewButtonAccessibleName);

    listViewButton.setSelected(true);

    listViewButton.setAlignmentX(JComponent.LEFT_ALIGNMENT);

    listViewButton.setAlignmentY(JComponent.CENTER_ALIGNMENT);

    listViewButton.setMargin(shrinkwrap);

    listViewButton.addActionListener(filePane.getViewTypeAction(FilePane.VIEWTYPE_LIST));

    topButtonPanel.add(listViewButton);

    viewButtonGroup.add(listViewButton);

    // Details Button

    detailsViewButton = new JToggleButton(detailsViewIcon);

    detailsViewButton.setToolTipText(detailsViewButtonToolTipText);

    detailsViewButton.getAccessibleContext().setAccessibleName(detailsViewButtonAccessibleName);

    detailsViewButton.setAlignmentX(JComponent.LEFT_ALIGNMENT);

    detailsViewButton.setAlignmentY(JComponent.CENTER_ALIGNMENT);

    detailsViewButton.setMargin(shrinkwrap);

    detailsViewButton.addActionListener(filePane.getViewTypeAction(FilePane.VIEWTYPE_DETAILS));

    topButtonPanel.add(detailsViewButton);

    viewButtonGroup.add(detailsViewButton);

    filePane.addPropertyChangeListener(new PropertyChangeListener() {

        public void propertyChange(PropertyChangeEvent e) {

            if ("viewType".equals(e.getPropertyName())) {

                int viewType = filePane.getViewType();

                switch (viewType) {

                    case FilePane.VIEWTYPE_LIST:

                        listViewButton.setSelected(true);

                        break;

                    case FilePane.VIEWTYPE_DETAILS:

                        detailsViewButton.setSelected(true);

                        break;

                }

            }

        }

    });

        // ************************************** //

        // ******* Add the directory pane ******* //

        // ************************************** //

        fc.add(getAccessoryPanel(), BorderLayout.AFTER_LINE_ENDS);

        JComponent accessory = fc.getAccessory();

        if (accessory != null) {

            getAccessoryPanel().add(accessory);

        }

        filePane.setPreferredSize(LIST_PREF_SIZE);

        fc.add(filePane, BorderLayout.CENTER);

        // ********************************** //

        // **** Construct the bottom panel ** //

        // ********************************** //

        bottomPanel = new JPanel();

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

        fc.add(bottomPanel, BorderLayout.SOUTH);

        // FileName label and textfield

        JPanel fileNamePanel = new JPanel();

        fileNamePanel.setLayout(new BoxLayout(fileNamePanel, BoxLayout.LINE_AXIS));

        bottomPanel.add(fileNamePanel);

        bottomPanel.add(Box.createRigidArea(new Dimension(1, 5)));

        fileNameLabel = new AlignedLabel();

        populateFileNameLabel();

        fileNamePanel.add(fileNameLabel);

        fileNameTextField = new JTextField(35) {

            public Dimension getMaximumSize() {

                return new Dimension(Short.MAX_VALUE, super.getPreferredSize().height);

            }

        };

        fileNamePanel.add(fileNameTextField);

        fileNameLabel.setLabelFor(fileNameTextField);

        fileNameTextField.addFocusListener(

            new FocusAdapter() {

                public void focusGained(FocusEvent e) {

                    if (!getFileChooser().isMultiSelectionEnabled()) {

                        filePane.clearSelection();

                    }

                }

            }

        );

        if (fc.isMultiSelectionEnabled()) {

            setFileName(fileNameString(fc.getSelectedFiles()));

        } else {

            setFileName(fileNameString(fc.getSelectedFile()));

        }

        // Filetype label and combobox

        JPanel filesOfTypePanel = new JPanel();

        filesOfTypePanel.setLayout(new BoxLayout(filesOfTypePanel, BoxLayout.LINE_AXIS));

        bottomPanel.add(filesOfTypePanel);

        AlignedLabel filesOfTypeLabel = new AlignedLabel(filesOfTypeLabelText);

        filesOfTypeLabel.setDisplayedMnemonic(filesOfTypeLabelMnemonic);

        filesOfTypePanel.add(filesOfTypeLabel);

        filterComboBoxModel = createFilterComboBoxModel();

        fc.addPropertyChangeListener(filterComboBoxModel);

        filterComboBox = new JComboBox<FileFilter>(filterComboBoxModel);

        filterComboBox.getAccessibleContext().setAccessibleDescription(filesOfTypeLabelText);

        filesOfTypeLabel.setLabelFor(filterComboBox);

        filterComboBox.setRenderer(createFilterComboBoxRenderer());

        filesOfTypePanel.add(filterComboBox);

        // buttons

        buttonPanel = new JPanel();

        buttonPanel.setLayout(new ButtonAreaLayout());

        buttonPanel.add(getApproveButton(fc));

        buttonPanel.add(getCancelButton(fc));

        if (fc.getControlButtonsAreShown()) {

            addControlButtons();

        }

        groupLabels(new AlignedLabel[] { fileNameLabel, filesOfTypeLabel });

    }

    protected void installListeners(JFileChooser fc) {

        super.installListeners(fc);

        fc.addPropertyChangeListener(JFileChooser.FILE_SELECTION_MODE_CHANGED_PROPERTY, modeListener);

    }

    protected void uninstallListeners(JFileChooser fc) {

        fc.removePropertyChangeListener(JFileChooser.FILE_SELECTION_MODE_CHANGED_PROPERTY, modeListener);

        super.uninstallListeners(fc);

    }

    private String fileNameString(File file) {

        if (file == null) {

            return null;

        } else {

            JFileChooser fc = getFileChooser();

            if (fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled()) {

                return file.getPath();

            } else {

                return file.getName();

            }

        }

    }

    private String fileNameString(File[] files) {

        StringBuffer buf = new StringBuffer();

        for (int i = 0; files != null && i < files.length; i++) {

            if (i > 0) {

                buf.append(" ");

            }

            if (files.length > 1) {

                buf.append("\"");

            }

            buf.append(fileNameString(files[i]));

            if (files.length > 1) {

                buf.append("\"");

            }

        }

        return buf.toString();

    }

    public void uninstallUI(JComponent c) {

        // Remove listeners

        c.removePropertyChangeListener(filterComboBoxModel);

        c.removePropertyChangeListener(filePane);

        if (filePane != null) {

            filePane.uninstallUI();

            filePane = null;

        }

        super.uninstallUI(c);

    }

    protected void installStrings(JFileChooser fc) {

        super.installStrings(fc);

        Locale l = fc.getLocale();

        lookInLabelMnemonic = getMnemonic("FileChooser.lookInLabelMnemonic", l);

        lookInLabelText = UIManager.getString("FileChooser.lookInLabelText", l);

        saveInLabelText = UIManager.getString("FileChooser.saveInLabelText", l);

        fileNameLabelMnemonic = getMnemonic("FileChooser.fileNameLabelMnemonic", l);

        fileNameLabelText = UIManager.getString("FileChooser.fileNameLabelText", l);

        folderNameLabelMnemonic = getMnemonic("FileChooser.folderNameLabelMnemonic", l);

        folderNameLabelText = UIManager.getString("FileChooser.folderNameLabelText", l);

        filesOfTypeLabelMnemonic = getMnemonic("FileChooser.filesOfTypeLabelMnemonic", l);

        filesOfTypeLabelText = UIManager.getString("FileChooser.filesOfTypeLabelText", l);

    upFolderToolTipText =  UIManager.getString("FileChooser.upFolderToolTipText",l);

    upFolderAccessibleName = UIManager.getString("FileChooser.upFolderAccessibleName",l);

    homeFolderToolTipText =  UIManager.getString("FileChooser.homeFolderToolTipText",l);

    homeFolderAccessibleName = UIManager.getString("FileChooser.homeFolderAccessibleName",l);

    newFolderToolTipText = UIManager.getString("FileChooser.newFolderToolTipText",l);

    newFolderAccessibleName = UIManager.getString("FileChooser.newFolderAccessibleName",l);

    listViewButtonToolTipText = UIManager.getString("FileChooser.listViewButtonToolTipText",l);

    listViewButtonAccessibleName = UIManager.getString("FileChooser.listViewButtonAccessibleName",l);

    detailsViewButtonToolTipText = UIManager.getString("FileChooser.detailsViewButtonToolTipText",l);

    detailsViewButtonAccessibleName = UIManager.getString("FileChooser.detailsViewButtonAccessibleName",l);

    }

    private int getMnemonic(String key, Locale l) {

        return SwingUtilities2.getUIDefaultsInt(key, l);

    }

    public String getFileName() {

        if (fileNameTextField != null) {

            return fileNameTextField.getText();

        } else {

            return null;

        }

    }

    public void setFileName(String fileName) {

        if (fileNameTextField != null) {

            fileNameTextField.setText(fileName);

        }

    }

    @Override public void rescanCurrentDirectory(JFileChooser fc) {

        filePane.rescanCurrentDirectory();

    }

    protected void doSelectedFileChanged(PropertyChangeEvent e) {