gtkfilechooserui.java

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/*
 * @(#)GTKFileChooserUI.java	1.41 06/11/30
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.java.swing.plaf.gtk;

import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.*;

import javax.swing.plaf.synth.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.filechooser.*;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.BasicDirectoryModel;
import javax.swing.table.*;
import javax.accessibility.*;

import sun.swing.SwingUtilities2;

import sun.swing.plaf.synth.*;
import sun.swing.FilePane;
import sun.swing.DefaultLookup;
import sun.awt.shell.ShellFolder;

/**
 * GTK FileChooserUI.
 *
 * @version 1.36 08/21/02
 * @author Leif Samuelsson
 * @author Jeff Dinkins
 */
class GTKFileChooserUI extends SynthFileChooserUI {

    // The accessoryPanel is a container to place the JFileChooser accessory component
    private JPanel accessoryPanel = null;

    private String newFolderButtonText = null;
    private String newFolderErrorSeparator = null;
    private String newFolderErrorText = null;
    private String newFolderDialogText = null;

    private String deleteFileButtonText = null;
    private String renameFileButtonText = null;

    private String newFolderButtonToolTipText = null;
    private String deleteFileButtonToolTipText = null;
    private String renameFileButtonToolTipText = null;

    private int newFolderButtonMnemonic = 0;
    private int deleteFileButtonMnemonic = 0;
    private int renameFileButtonMnemonic = 0;
    private int foldersLabelMnemonic = 0;
    private int filesLabelMnemonic = 0;

    private String renameFileDialogText = null; 
    private String renameFileErrorTitle = null;
    private String renameFileErrorText = null; 
 
    private JComboBox filterComboBox;
    private FilterComboBoxModel filterComboBoxModel;

    // From Motif

    private JPanel rightPanel;
    private JList directoryList;
    private JList fileList;

    private JLabel pathField;
    private JTextField fileNameTextField;

    private static final Dimension hstrut3 = new Dimension(3, 1);
    private static final Dimension vstrut10 = new Dimension(1, 10);

    private static final Insets insets = new Insets(10, 10, 10, 10);

    private static Dimension prefListSize = new Dimension(75, 150);

    private static Dimension PREF_SIZE = new Dimension(435, 360);
    private static Dimension MIN_SIZE = new Dimension(200, 300);

    private static Dimension PREF_ACC_SIZE = new Dimension(10, 10);
    private static Dimension ZERO_ACC_SIZE = new Dimension(1, 1);

    private static Dimension MAX_SIZE = new Dimension(Short.MAX_VALUE, Short.MAX_VALUE);

    private static final Insets buttonMargin = new Insets(3, 3, 3, 3);

    private String filesLabelText = null;
    private String foldersLabelText = null;
    private String pathLabelText = null;
    private String filterLabelText = null;

    private int pathLabelMnemonic = 0;
    private int filterLabelMnemonic = 0;

    private JComboBox directoryComboBox;
    private DirectoryComboBoxModel directoryComboBoxModel;
    private Action directoryComboBoxAction = new DirectoryComboBoxAction();
    private JPanel bottomButtonPanel;
    private GTKDirectoryModel model = null;
    private Action newFolderAction;
    private JPanel interior;
    private boolean readOnly;
    private boolean showDirectoryIcons;
    private boolean showFileIcons;
    private GTKFileView fileView = new GTKFileView();
    private PropertyChangeListener gtkFCPropertyChangeListener;
    private Action approveSelectionAction = new GTKApproveSelectionAction();
    private GTKDirectoryListModel directoryListModel;

    public GTKFileChooserUI(JFileChooser filechooser) {
        super(filechooser);
    }

    public String getFileName() {
        JFileChooser fc = getFileChooser();
        String typedInName = fileNameTextField != null ?
            fileNameTextField.getText() : null;
         
        if (!fc.isMultiSelectionEnabled()) {
            return typedInName; 
        }
         
        int mode = fc.getFileSelectionMode();
        JList list = mode == JFileChooser.DIRECTORIES_ONLY ?
            directoryList : fileList;
        Object[] files = list.getSelectedValues();
        int len = files.length;
        Vector result = new Vector(len + 1);
         
        // we return all selected file names
        for (int i = 0; i < len; i++) {
            File file = (File)files[i];
            result.add(file.getName());
        }
        // plus the file name typed into the text field, if not already there
        if (typedInName != null && !result.contains(typedInName)) {
            result.add(typedInName);
        }
         
        StringBuffer buf = new StringBuffer();
        len = result.size();
         
        // construct the resulting string
        for (int i=0; i<len; i++) {
            if (len > 1) {
                buf.append(" \"");
            }
            buf.append(result.get(i));
            if (len > 1) {
                buf.append("\"");
            }
        }
        return buf.toString();
    }

    public void setFileName(String fileName) {
	if (fileNameTextField != null) {
	    fileNameTextField.setText(fileName);
	}
    }

//     public String getDirectoryName() {
// 	return pathField.getText();
//     }

    public void setDirectoryName(String dirname) {
	pathField.setText(dirname);
    }

    public void ensureFileIsVisible(JFileChooser fc, File f) {
	// PENDING
    }

    public void rescanCurrentDirectory(JFileChooser fc) {
	getModel().validateFileCache();
    }

    public JPanel getAccessoryPanel() {
	return accessoryPanel;
    }

    // ***********************
    // * FileView operations *
    // ***********************

    public FileView getFileView(JFileChooser fc) {
	return fileView;
    }

    private class GTKFileView extends BasicFileView {
	public GTKFileView() {
	    iconCache = null;
	}

	public void clearIconCache() {
	}

	public Icon getCachedIcon(File f) {
	    return null;
	}

	public void cacheIcon(File f, Icon i) {
	}

	public Icon getIcon(File f) {
	    return (f != null && f.isDirectory()) ? directoryIcon : fileIcon;
	}
    }


    private void updateDefaultButton() {
	JFileChooser filechooser = getFileChooser();
	JRootPane root = SwingUtilities.getRootPane(filechooser);
	if (root == null) {
	    return;
	}

	if (filechooser.getControlButtonsAreShown()) {
	    if (root.getDefaultButton() == null) {
		root.setDefaultButton(getApproveButton(filechooser));
		getCancelButton(filechooser).setDefaultCapable(false);
	    }
	} else {
	    if (root.getDefaultButton() == getApproveButton(filechooser)) {
		root.setDefaultButton(null);
	    }
	}
    }

    protected void doSelectedFileChanged(PropertyChangeEvent e) {
	super.doSelectedFileChanged(e);
	File f = (File) e.getNewValue();
	if (f != null) {
	    setFileName(getFileChooser().getName(f));
	}
    }

    protected void doDirectoryChanged(PropertyChangeEvent e) {
	directoryList.clearSelection();
	ListSelectionModel sm = directoryList.getSelectionModel();
        if (sm instanceof DefaultListSelectionModel) {
	    ((DefaultListSelectionModel)sm).moveLeadSelectionIndex(0);       
	    ((DefaultListSelectionModel)sm).setAnchorSelectionIndex(0);
	}
	fileList.clearSelection();
	sm = fileList.getSelectionModel();
        if (sm instanceof DefaultListSelectionModel) {
	    ((DefaultListSelectionModel)sm).moveLeadSelectionIndex(0);       
	    ((DefaultListSelectionModel)sm).setAnchorSelectionIndex(0);
	}

	File currentDirectory = getFileChooser().getCurrentDirectory();
	if (currentDirectory != null) {
	    try {
		setDirectoryName(ShellFolder.getNormalizedFile((File)e.getNewValue()).getPath());
	    } catch (IOException ioe) {
		setDirectoryName(((File)e.getNewValue()).getAbsolutePath());
	    }
	    if ((getFileChooser().getFileSelectionMode() == JFileChooser.DIRECTORIES_ONLY) && !getFileChooser().isMultiSelectionEnabled()) {
		setFileName(pathField.getText());
	    }
	    directoryComboBoxModel.addItem(currentDirectory);
            directoryListModel.directoryChanged();
	}
	super.doDirectoryChanged(e);
    }

    protected void doAccessoryChanged(PropertyChangeEvent e) {
	if (getAccessoryPanel() != null) {
	    if (e.getOldValue() != null) {
		getAccessoryPanel().remove((JComponent)e.getOldValue());
	    }
	    JComponent accessory = (JComponent)e.getNewValue();
	    if (accessory != null) {
		getAccessoryPanel().add(accessory, BorderLayout.CENTER);
		getAccessoryPanel().setPreferredSize(accessory.getPreferredSize());
		getAccessoryPanel().setMaximumSize(MAX_SIZE);
	    } else {
		getAccessoryPanel().setPreferredSize(ZERO_ACC_SIZE);
		getAccessoryPanel().setMaximumSize(ZERO_ACC_SIZE);
	    }
	}
    }

    protected void doFileSelectionModeChanged(PropertyChangeEvent e) {
	directoryList.clearSelection();
	rightPanel.setVisible(((Integer)e.getNewValue()).intValue() != JFileChooser.DIRECTORIES_ONLY);

	super.doFileSelectionModeChanged(e);
    }

    protected void doMultiSelectionChanged(PropertyChangeEvent e) {
	if (getFileChooser().isMultiSelectionEnabled()) {
	    fileList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
	} else {
	    fileList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	    fileList.clearSelection();
	}

	super.doMultiSelectionChanged(e);
    }

    protected void doControlButtonsChanged(PropertyChangeEvent e) {
	super.doControlButtonsChanged(e);

	JFileChooser filechooser = getFileChooser();
	if (filechooser.getControlButtonsAreShown()) {
	    filechooser.add(bottomButtonPanel, BorderLayout.SOUTH);
	} else {
	    filechooser.remove(bottomButtonPanel);
	}
	updateDefaultButton();
    }

    protected void doAncestorChanged(PropertyChangeEvent e) {
	if (e.getOldValue() == null && e.getNewValue() != null) {
	    // Ancestor was added, set initial focus
	    fileNameTextField.selectAll();
	    fileNameTextField.requestFocus();
	    updateDefaultButton();
	}

	super.doAncestorChanged(e);
    }



    // ********************************************
    // ************ Create Listeners **************
    // ********************************************