Swing之文件选择器

Swing里默认的文件选择器非常丑,所以,文件选择器一般需要重写。

以下代码非常完整,copy可以直接运行。

一、类CustomFileChooser

 

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.ComponentOrientation;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.HeadlessException;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.Polygon;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseListener;
import java.awt.geom.AffineTransform;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Arrays;
import java.util.Locale;
import java.util.Vector;

import javax.accessibility.AccessibleContext;
import javax.swing.AbstractAction;
import javax.swing.AbstractListModel;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.JTextField;
import javax.swing.JToggleButton;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileSystemView;
import javax.swing.filechooser.FileView;
import javax.swing.plaf.ActionMapUIResource;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.FileChooserUI;
import javax.swing.plaf.basic.BasicDirectoryModel;
import javax.swing.plaf.basic.BasicFileChooserUI;

import sun.awt.shell.ShellFolder;
import sun.swing.FilePane;
import sun.swing.SwingUtilities2;

/**
 * 自定义文件选择器
 * 
 * @author tang
 * 
 * @since 2014/8/19
 * 
 */
@SuppressWarnings({ "serial", "restriction" })
public class CustomFileChooser extends JFileChooser {

	public static void main(String[] args) {

		UIManager.put("ScrollBarUI", "com.sun.java.swing.plaf.windows.WindowsScrollBarUI");// 设置滚动条样式为window风格的滚动条样式

		// 设置文件夹在swing中所显示的图标
		UIManager.put("FileView.directoryIcon", FileSystemView.getFileSystemView().getSystemIcon(new File(System.getProperty("user.dir"))));

		// 如果觉得默认的图标(文件选择器窗口的右上角那一排)太丑可以自己设置文件选择对话框的一系列图标
		//	UIManager.put("FileChooser.newFolderIcon", newFolderIcon);
		//	UIManager.put("FileChooser.upFolderIcon", upFolderIcon);
		//	UIManager.put("FileChooser.homeFolderIcon", homeFolderIcon);
		//	UIManager.put("FileChooser.detailsViewIcon", detailsViewIcon);
		//	UIManager.put("FileChooser.listViewIcon", listViewIcon);

		// 设置工具提示的默认样式
		Color toolTipColor = new Color(80, 80, 80);
		UIManager.put("ToolTip.border",
				BorderFactory.createCompoundBorder(BorderFactory.createLineBorder(toolTipColor), BorderFactory.createEmptyBorder(2, 3, 2, 3)));
		UIManager.put("ToolTip.background", Color.WHITE);
		UIManager.put("ToolTip.foreground", toolTipColor);

		CustomFileChooser chooser = new CustomFileChooser();
		chooser.showOpenDialog(null);
	}

	public CustomFileChooser() {
		super();
	}

	public CustomFileChooser(File currentDirectory, FileSystemView fsv) {
		super(currentDirectory, fsv);
	}

	public CustomFileChooser(File currentDirectory) {
		super(currentDirectory);
	}

	public CustomFileChooser(FileSystemView fsv) {
		super(fsv);
	}

	public CustomFileChooser(String currentDirectoryPath, FileSystemView fsv) {
		super(currentDirectoryPath, fsv);
	}

	public CustomFileChooser(String currentDirectoryPath) {
		super(currentDirectoryPath);
	}

	{
		setUI(new CustomFileChooserUI(this));
	}

	@Override
	protected JDialog createDialog(Component parent) throws HeadlessException {
		FileChooserUI ui = getUI();
		String title = ui.getDialogTitle(this);
		putClientProperty(AccessibleContext.ACCESSIBLE_DESCRIPTION_PROPERTY, title);

		Window window = getWindowForComponent(parent);
		JDialog dialog = new JDialog(window, title);
		dialog.setModal(true);
		dialog.setComponentOrientation(this.getComponentOrientation());

		if (JDialog.isDefaultLookAndFeelDecorated()) {
			boolean supportsWindowDecorations = UIManager.getLookAndFeel().getSupportsWindowDecorations();
			if (supportsWindowDecorations) {
				dialog.getRootPane().setWindowDecorationStyle(JRootPane.FILE_CHOOSER_DIALOG);
			}
		}
		dialog.getRootPane().setDefaultButton(ui.getDefaultButton(this));
		dialog.getContentPane().add(this);
		dialog.pack();
		setLocationRelativeTo(parent, dialog);

		return dialog;
	}

	/**
	 * 自定义文件选择器UI,代码主要来源于MetalFileChooserUI
	 * 
	 * @author tang
	 * 
	 * @since 2014/8/19
	 * 
	 */
	@SuppressWarnings({ "unchecked", "rawtypes" })
	public static class CustomFileChooserUI extends BasicFileChooserUI {

		private static Font labelFont14 = new Font(Font.DIALOG, Font.PLAIN, 14);
		private static Font labelFont12 = new Font(Font.DIALOG, Font.PLAIN, 12);
		private static Color boxBorderColor = Color.GRAY;
		private static Color boxForegroundColor = new Color(51, 51, 51);
		// private static int boxHeight = 25;
		// private static int buttonWidth=30;
		// private static int buttonHeight=30;

		// Much of the Metal UI for JFilechooser is just a copy of
		// the windows implementation, but using Metal themed buttons, lists,
		// icons, etc. We are planning a complete rewrite, and hence we've
		// made most things in this class private.

		private BasicFileView fileView = new CustomFileView();

		private JLabel lookInLabel;
		private CustomComboBox 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 JButton approveButton;
		private JButton cancelButton;

		private JPanel buttonPanel;
		private JPanel bottomPanel;

		private CustomComboBox filterComboBox;

		private static final Dimension hstrut5 = new Dimension(5, 1);
		// private static final Dimension hstrut11 = new Dimension(11, 1);

		private static final Dimension vstrut5 = new Dimension(1, 5);

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

		// Preferred and Minimum sizes for the dialog box
		private static int PREF_WIDTH = 500;
		private static int PREF_HEIGHT = 326;
		private static Dimension PREF_SIZE = new Dimension(PREF_WIDTH, PREF_HEIGHT);

		private static int MIN_WIDTH = 500;
		private static int MIN_HEIGHT = 326;
		private static Dimension MIN_SIZE = new Dimension(MIN_WIDTH, MIN_HEIGHT);

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

		// 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 void populateFileNameLabel() {
			if (getFileChooser().getFileSelectionMode() == JFileChooser.DIRECTORIES_ONLY) {
				fileNameLabel.setText(folderNameLabelText);
				fileNameLabel.setDisplayedMnemonic(folderNameLabelMnemonic);
			} else {
				fileNameLabel.setText(fileNameLabelText);
				fileNameLabel.setDisplayedMnemonic(fileNameLabelMnemonic);
			}
		}

		//
		// ComponentUI Interface Implementation methods
		//
		public static ComponentUI createUI(JComponent c) {
			return new CustomFileChooserUI((JFileChooser) c);
		}

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

		public void installUI(JComponent c) {
			super.installUI(c);
		}

		public void uninstallComponents(JFileChooser fc) {
			fc.removeAll();
			bottomPanel = null;
			buttonPanel = null;
		}

		private class CustomFileChooserUIAccessor implements FilePane.FileChooserUIAccessor {
			public JFileChooser getFileChooser() {
				return CustomFileChooserUI.this.getFileChooser();
			}

			public BasicDirectoryModel getModel() {
				return CustomFileChooserUI.this.getModel();
			}

			public JPanel createList() {
				return CustomFileChooserUI.this.createList(getFileChooser());
			}

			public JPanel createDetailsView() {
				return CustomFileChooserUI.this.createDetailsView(getFileChooser());
			}

			public boolean isDirectorySelected() {
				return CustomFileChooserUI.this.isDirectorySelected();
			}

			public File getDirectory() {
				return CustomFileChooserUI.this.getDirectory();
			}

			public Action getChangeToParentDirectoryAction() {
				return CustomFileChooserUI.this.getChangeToParentDirectoryAction();
			}

			public Action getApproveSelectionAction() {
				return CustomFileChooserUI.this.getApproveSelectionAction();
			}

			public Action getNewFolderAction() {
				return CustomFileChooserUI.this.getNewFolderAction();
			}

			public MouseListener createDoubleClickListener(JList list) {
				return CustomFileChooserUI.this.createDoubleClickListener(getFileChooser(), list);
			}

			public ListSelectionListener createListSelectionListener() {
				return CustomFileChooserUI.this.createListSelectionListener(getFileChooser());
			}
		}

		public void installComponents(JFileChooser fc) {
			FileSystemView fsv = fc.getFileSystemView();

			fc.setBorder(new EmptyBorder(12, 12, 11, 11));
			fc.setLayout(new BorderLayout(0, 11));

			filePane = new FilePane(new CustomFileChooserUIAccessor());
			fc.addPropertyChangeListener(filePane);

			// ********************************* //
			// **** 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.setFont(labelFont14);
			lookInLabel.setDisplayedMnemonic(lookInLabelMnemonic);
			topPanel.add(lookInLabel, BorderLayout.BEFORE_LINE_BEGINS);

			// CurrentDir ComboBox
			directoryComboBox = new CustomComboBox() {
				public Dimension getPreferredSize() {
					Dimension d = super.getPreferredSize();
					// Must be small enough to not affect total width.
					d.width = 150;
					return d;
				}
			};
			setCustomComboBox(directoryComboBox);
			directoryComboBox.putClientProperty(AccessibleContext.ACCESSIBLE_DESCRIPTION_PROPERTY, 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);

			// Up Button
			JButton upFolderButton = getButton(upFolderIcon, getChangeToParentDirectoryAction());
			upFolderButton.setToolTipText(upFolderToolTipText);
			upFolderButton.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, upFolderAccessibleName);

			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 goHomeButton = getButton(homeFolderIcon, getGoHomeAction());
			goHomeButton.setToolTipText(toolTipText);
			goHomeButton.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, homeFolderAccessibleName);

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

			// New Directory Button
			if (!UIManager.getBoolean("FileChooser.readOnly")) {
				JButton newFolderButton = getButton(newFolderIcon, filePane.getNewFolderAction());
				newFolderButton.setToolTipText(newFolderToolTipText);
				newFolderButton.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, newFolderAccessibleName);
				topButtonPanel.add(newFolderButton);
				topButtonPanel.add(Box.createRigidArea(hstrut5));
			}

			// View button group
			ButtonGroup viewButtonGroup = new ButtonGroup();

			// List Button
			listViewButton = getToggleButton(listViewIcon, filePane.getViewTypeAction(FilePane.VIEWTYPE_LIST));
			listViewButton.setToolTipText(listViewButtonToolTipText);
			listViewButton.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, listViewButtonAccessibleName);
			listViewButton.setSelected(true);
			topButtonPanel.add(listViewButton);
			viewButtonGroup.add(listViewButton);
			topButtonPanel.add(Box.createRigidArea(hstrut5));

			// Details Button
			detailsViewButton = getToggleButton(detailsViewIcon, filePane.getViewTypeAction(FilePane.VIEWTYPE_DETAILS));
			detailsViewButton.setToolTipText(detailsViewButtonToolTipText);
			detailsViewButton.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, detailsViewButtonAccessibleName);
			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 ** //
			// ********************************** //
			JPanel bottomPanel = getBottomPanel();
			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(vstrut5));

			fileNameLabel = new AlignedLabel();
			populateFileNameLabel();
			fileNamePanel.add(fileNameLabel);

			fileNameTextField = new JTextField(35) {
				public Dimension getMaximumSize() {
					return new Dimension(Short.MAX_VALUE, super.getPreferredSize().height);
				}
			};
			setTextField(fileNameTextField);
			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 CustomComboBox(filterComboBoxModel);
			setCustomComboBox(filterComboBox);
			filterComboBox.putClientProperty(AccessibleContext.ACCESSIBLE_DESCRIPTION_PROPERTY, filesOfTypeLabelText);
			filesOfTypeLabel.setLabelFor(filterComboBox);
			filterComboBox.setRenderer(createFilterComboBoxRenderer());
			filesOfTypePanel.add(filterComboBox);

			// buttons
			getButtonPanel().setLayout(new ButtonAreaLayout());

			approveButton = createRolloverBackgroundButton(getApproveButtonText(fc));

			// Note: Metal does not use mnemonics for approve and cancel
			approveButton.addActionListener(getApproveSelectionAction());
			approveButton.setToolTipText(getApproveButtonToolTipText(fc));
			getButtonPanel().add(approveButton);

			cancelButton = createRolloverBackgroundButton(cancelButtonText);
			cancelButton.setToolTipText(cancelButtonToolTipText);
			cancelButton.addActionListener(getCancelSelectionAction());
			getButtonPanel().add(cancelButton);

			if (fc.getControlButtonsAreShown()) {
				addControlButtons();
			}

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

		/**
		 * 创建一个有默认样式的按钮
		 * 
		 * @param text
		 * @return
		 */
		public static RolloverBackgroundButton createRolloverBackgroundButton(String text) {
			RolloverBackgroundButton button = new RolloverBackgroundButton(text);
			button.setFont(new Font(Font.DIALOG, Font.PLAIN, 16));
			return button;
		}

		protected void setTextField(JTextField textField) {
			textField.setFont(labelFont12);
			textField.setPreferredSize(new Dimension(0, 25));
			textField.setSelectedTextColor(Color.WHITE);
			textField.setSelectionColor(new Color(51, 153, 255));
			textField.setBorder(BorderFactory.createLineBorder(boxBorderColor));
			textField.setForeground(boxForegroundColor);
		}

		protected JButton getButton(Icon icon, Action action) {
			JButton button = new JButton(action);
			button.setIcon(icon);
			if (icon != null) {
				button.setPressedIcon(new MoveIcon(icon, 1, 1));
			}
			button.setText(null);
			button.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
			button.setBorderPainted(true);
			button.setContentAreaFilled(false);
			button.setFocusPainted(false);
			button.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createLineBorder(boxBorderColor), new EmptyBorder(2, 2, 2, 2)));
			button.setAlignmentX(JComponent.LEFT_ALIGNMENT);
			button.setAlignmentY(JComponent.CENTER_ALIGNMENT);
			button.setMargin(shrinkwrap);
			return button;
		}

		protected JToggleButton getToggleButton(Icon icon, Action action) {
			JToggleButton button = new JToggleButton(action);
			button.setIcon(icon);
			if (icon != null) {
				button.setPressedIcon(new MoveIcon(icon, 1, 1));
			}
			button.setText(null);
			button.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
			button.setHorizontalTextPosition(SwingConstants.CENTER);
			button.setVerticalTextPosition(SwingConstants.CENTER);
			button.setRolloverEnabled(true);
			button.setFocusPainted(false);
			button.setOpaque(false);
			button.setContentAreaFilled(false);
			button.setBorderPainted(true);
			button.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createLineBorder(boxBorderColor), new EmptyBorder(2, 2, 2, 2)));
			button.setAlignmentX(JComponent.LEFT_ALIGNMENT);
			button.setAlignmentY(JComponent.CENTER_ALIGNMENT);
			button.setMargin(shrinkwrap);
			return button;
		}

		protected CustomComboBox setCustomComboBox(CustomComboBox CustomComboBox) {
			CustomComboBox.setFont(labelFont12);
			CustomComboBox.setPreferredSize(new Dimension(0, 25));
			CustomComboBox.setSelectionBackground(Color.decode("#d7d7d7"));
			CustomComboBox.setBorder(BorderFactory.createLineBorder(boxBorderColor));
			CustomComboBox.setForeground(boxForegroundColor);
			CustomComboBox.synchAllToPopup();
			return CustomComboBox;
		}

		protected JPanel getButtonPanel() {
			if (buttonPanel == null) {
				buttonPanel = new JPanel();
			}
			return buttonPanel;
		}

		protected JPanel getBottomPanel() {
			if (bottomPanel == null) {
				bottomPanel = new JPanel();
			}
			return bottomPanel;
		}

		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 Integer getMnemonic(String key, Locale l) {
			return SwingUtilities2.getUIDefaultsInt(key, l);
		}

		protected void installListeners(JFileChooser fc) {
			super.installListeners(fc);
			ActionMap actionMap = getActionMaping();
			SwingUtilities.replaceUIActionMap(fc, actionMap);
		}

		private ActionMap getActionMaping() {
			return createActionMaping();
		}

		private ActionMap createActionMaping() {
			ActionMap map = new ActionMapUIResource();
			FilePane.addActionsToMap(map, filePane.getActions());
			return map;
		}

		protected JPanel createList(JFileChooser fc) {
			return filePane.createList();
		}

		protected JPanel createDetailsView(JFileChooser fc) {
			return filePane.createDetailsView();
		}

		/**
		 * Creates a selection listener for the list of files and directories.
		 * 
		 * @param fc
		 *            a JFileChooser
		 * @return a ListSelectionListener
		 */
		public ListSelectionListener createListSelectionListener(JFileChooser fc) {
			return super.createListSelectionListener(fc);
		}

		// Obsolete class, not used in this version.
		protected class SingleClickListener extends MouseAdapter {
			public SingleClickListener(JList list) {
			}
		}

		// Obsolete class, not used in this version.
		protected class FileRenderer extends DefaultListCellRenderer {
		}

		public void uninstallUI(JComponent c) {
			// Remove listeners
			c.removePropertyChangeListener(filterComboBoxModel);
			c.removePropertyChangeListener(filePane);
			cancelButton.removeActionListener(getCancelSelectionAction());
			approveButton.removeActionListener(getApproveSelectionAction());
			fileNameTextField.removeActionListener(getApproveSelectionAction());

			if (filePane != null) {
				filePane.uninstallUI();
				filePane = null;
			}

			super.uninstallUI(c);
		}

		/**
		 * Returns the preferred size of the specified JFileChooser
		 * . The preferred size is at least as large, in both height and width,
		 * as the preferred size recommended by the file chooser's layout
		 * manager.
		 * 
		 * @param c
		 *            a JFileChooser
		 * @return a Dimension specifying the preferred width and
		 *         height of the file chooser
		 */
		public Dimension getPreferredSize(JComponent c) {
			int prefWidth = PREF_SIZE.width;
			Dimension d = c.getLayout().preferredLayoutSize(c);
			if (d != null) {
				return new Dimension(d.width < prefWidth ? prefWidth : d.width, d.height < PREF_SIZE.height ? PREF_SIZE.height : d.height);
			} else {
				return new Dimension(prefWidth, PREF_SIZE.height);
			}
		}

		/**
		 * Returns the minimum size of the JFileChooser.
		 * 
		 * @param c
		 *            a JFileChooser
		 * @return a Dimension specifying the minimum width and
		 *         height of the file chooser
		 */
		public Dimension getMinimumSize(JComponent c) {
			return MIN_SIZE;
		}

		/**
		 * Returns the maximum size of the JFileChooser.
		 * 
		 * @param c
		 *            a JFileChooser
		 * @return a Dimension specifying the maximum width and
		 *         height of the file chooser
		 */
		public Dimension getMaximumSize(JComponent c) {
			return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
		}

		private String fileNameString(File file) {
			if (file == null) {
				return null;
			} else {
				JFileChooser fc = getFileChooser();
				if ((fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled())
						|| (fc.isDirectorySelectionEnabled() && fc.isFileSelectionEnabled() && fc.getFileSystemView().isFileSystemRoot(file))) {
					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();
		}

		/* The following methods are used by the PropertyChange Listener */

		private void doSelectedFileChanged(PropertyChangeEvent e) {
			File f = (File) e.getNewValue();
			JFileChooser fc = getFileChooser();
			if (f != null && ((fc.isFileSelectionEnabled() && !f.isDirectory()) || (f.isDirectory() && fc.isDirectorySelectionEnabled()))) {

				setFileName(fileNameString(f));
			}
		}

		private void doSelectedFilesChanged(PropertyChangeEvent e) {
			File[] files = (File[]) e.getNewValue();
			JFileChooser fc = getFileChooser();
			if (files != null && files.length > 0 && (files.length > 1 || fc.isDirectorySelectionEnabled() || !files[0].isDirectory())) {
				setFileName(fileNameString(files));
			}
		}

		private void doDirectoryChanged(PropertyChangeEvent e) {
			JFileChooser fc = getFileChooser();
			FileSystemView fsv = fc.getFileSystemView();

			clearIconCache();
			File currentDirectory = fc.getCurrentDirectory();
			if (currentDirectory != null) {
				directoryComboBoxModel.addItem(currentDirectory);

				if (fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled()) {
					if (fsv.isFileSystem(currentDirectory)) {
						setFileName(currentDirectory.getPath());
					} else {
						setFileName(null);
					}
				}
			}
		}

		private void doFilterChanged(PropertyChangeEvent e) {
			clearIconCache();
		}

		private void doFileSelectionModeChanged(PropertyChangeEvent e) {
			if (fileNameLabel != null) {
				populateFileNameLabel();
			}
			clearIconCache();

			JFileChooser fc = getFileChooser();
			File currentDirectory = fc.getCurrentDirectory();
			if (currentDirectory != null && fc.isDirectorySelectionEnabled() && !fc.isFileSelectionEnabled()
					&& fc.getFileSystemView().isFileSystem(currentDirectory)) {

				setFileName(currentDirectory.getPath());
			} else {
				setFileName(null);
			}
		}

		private 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);
				}
			}
		}

		private void doApproveButtonTextChanged(PropertyChangeEvent e) {
			JFileChooser chooser = getFileChooser();
			approveButton.setText(getApproveButtonText(chooser));
			approveButton.setToolTipText(getApproveButtonToolTipText(chooser));
		}

		private void doDialogTypeChanged(PropertyChangeEvent e) {
			JFileChooser chooser = getFileChooser();
			approveButton.setText(getApproveButtonText(chooser));
			approveButton.setToolTipText(getApproveButtonToolTipText(chooser));
			if (chooser.getDialogType() == JFileChooser.SAVE_DIALOG) {
				lookInLabel.setText(saveInLabelText);
			} else {
				lookInLabel.setText(lookInLabelText);
			}
		}

		private void doApproveButtonMnemonicChanged(PropertyChangeEvent e) {
			// Note: Metal does not use mnemonics for approve and cancel
		}

		private void doControlButtonsChanged(PropertyChangeEvent e) {
			if (getFileChooser().getControlButtonsAreShown()) {
				addControlButtons();
			} else {
				removeControlButtons();
			}
		}

		/*
		 * Listen for filechooser property changes, such as the selected file
		 * changing, or the type of the dialog changing.
		 */
		public PropertyChangeListener createPropertyChangeListener(JFileChooser fc) {
			return new PropertyChangeListener() {
				public void propertyChange(PropertyChangeEvent e) {
					String s = e.getPropertyName();
					if (s.equals(JFileChooser.SELECTED_FILE_CHANGED_PROPERTY)) {
						doSelectedFileChanged(e);
					} else if (s.equals(JFileChooser.SELECTED_FILES_CHANGED_PROPERTY)) {
						doSelectedFilesChanged(e);
					} else if (s.equals(JFileChooser.DIRECTORY_CHANGED_PROPERTY)) {
						doDirectoryChanged(e);
					} else if (s.equals(JFileChooser.FILE_FILTER_CHANGED_PROPERTY)) {
						doFilterChanged(e);
					} else if (s.equals(JFileChooser.FILE_SELECTION_MODE_CHANGED_PROPERTY)) {
						doFileSelectionModeChanged(e);
					} else if (s.equals(JFileChooser.ACCESSORY_CHANGED_PROPERTY)) {
						doAccessoryChanged(e);
					} else if (s.equals(JFileChooser.APPROVE_BUTTON_TEXT_CHANGED_PROPERTY)
							|| s.equals(JFileChooser.APPROVE_BUTTON_TOOL_TIP_TEXT_CHANGED_PROPERTY)) {
						doApproveButtonTextChanged(e);
					} else if (s.equals(JFileChooser.DIALOG_TYPE_CHANGED_PROPERTY)) {
						doDialogTypeChanged(e);
					} else if (s.equals(JFileChooser.APPROVE_BUTTON_MNEMONIC_CHANGED_PROPERTY)) {
						doApproveButtonMnemonicChanged(e);
					} else if (s.equals(JFileChooser.CONTROL_BUTTONS_ARE_SHOWN_CHANGED_PROPERTY)) {
						doControlButtonsChanged(e);
					} else if (s.equals("componentOrientation")) {
						ComponentOrientation o = (ComponentOrientation) e.getNewValue();
						JFileChooser cc = (JFileChooser) e.getSource();
						if (o != e.getOldValue()) {
							cc.applyComponentOrientation(o);
						}
					} else if (s == "FileChooser.useShellFolder") {
						doDirectoryChanged(e);
					} else if (s.equals("ancestor")) {
						if (e.getOldValue() == null && e.getNewValue() != null) {
							// Ancestor was added, set initial focus
							fileNameTextField.selectAll();
							fileNameTextField.requestFocus();
						}
					}
				}
			};
		}

		protected void removeControlButtons() {
			getBottomPanel().remove(getButtonPanel());
		}

		protected void addControlButtons() {
			getBottomPanel().add(getButtonPanel());
		}

		public void ensureFileIsVisible(JFileChooser fc, File f) {
			filePane.ensureFileIsVisible(fc, f);
		}

		public void rescanCurrentDirectory(JFileChooser fc) {
			filePane.rescanCurrentDirectory();
		}

		public String getFileName() {
			if (fileNameTextField != null) {
				return fileNameTextField.getText();
			} else {
				return null;
			}
		}

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

		/**
		 * Property to remember whether a directory is currently selected in the
		 * UI. This is normally called by the UI on a selection event.
		 * 
		 * @param directorySelected
		 *            if a directory is currently selected.
		 * @since 1.4
		 */
		protected void setDirectorySelected(boolean directorySelected) {
			super.setDirectorySelected(directorySelected);
			JFileChooser chooser = getFileChooser();
			if (directorySelected) {
				if (approveButton != null) {
					approveButton.setText(directoryOpenButtonText);
					approveButton.setToolTipText(directoryOpenButtonToolTipText);
				}
			} else {
				if (approveButton != null) {
					approveButton.setText(getApproveButtonText(chooser));
					approveButton.setToolTipText(getApproveButtonToolTipText(chooser));
				}
			}
		}

		public String getDirectoryName() {
			// PENDING(jeff) - get the name from the directory combobox
			return null;
		}

		public void setDirectoryName(String dirname) {
			// PENDING(jeff) - set the name in the directory combobox
		}

		protected DirectoryComboBoxRenderer createDirectoryComboBoxRenderer(JFileChooser fc) {
			return new DirectoryComboBoxRenderer();
		}

		//
		// Renderer for DirectoryComboBox
		//
		class DirectoryComboBoxRenderer extends DefaultListCellRenderer {
			IndentIcon ii = new IndentIcon();

			public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

				super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);

				if (value == null) {
					setText("");
					return this;
				}
				File directory = (File) value;
				setText(getFileChooser().getName(directory));
				Icon icon = getFileChooser().getIcon(directory);
				ii.icon = icon;
				ii.depth = directoryComboBoxModel.getDepth(index);
				setIcon(ii);

				return this;
			}
		}

		final static int space = 10;

		class IndentIcon implements Icon {

			Icon icon = null;
			int depth = 0;

			public void paintIcon(Component c, Graphics g, int x, int y) {
				if (c.getComponentOrientation().isLeftToRight()) {
					icon.paintIcon(c, g, x + depth * space, y);
				} else {
					icon.paintIcon(c, g, x, y);
				}
			}

			public int getIconWidth() {
				return icon.getIconWidth() + depth * space;
			}

			public int getIconHeight() {
				return icon.getIconHeight();
			}

		}

		//
		// DataModel for DirectoryComboxbox
		//
		protected DirectoryComboBoxModel createDirectoryComboBoxModel(JFileChooser fc) {
			return new DirectoryComboBoxModel();
		}

		/**
		 * Data model for a type-face selection combo-box.
		 */
		protected class DirectoryComboBoxModel extends AbstractListModel implements ComboBoxModel {
			Vector directories = new Vector();
			int[] depths = null;
			File selectedDirectory = null;
			JFileChooser chooser = getFileChooser();
			FileSystemView fsv = chooser.getFileSystemView();

			public DirectoryComboBoxModel() {
				// Add the current directory to the model, and make it the
				// selectedDirectory
				File dir = getFileChooser().getCurrentDirectory();
				if (dir != null) {
					addItem(dir);
				}
			}

			/**
			 * Adds the directory to the model and sets it to be selected,
			 * additionally clears out the previous selected directory and the
			 * paths leading up to it, if any.
			 */
			private void addItem(File directory) {

				if (directory == null) {
					return;
				}

				boolean useShellFolder = FilePane.usesShellFolder(chooser);

				directories.clear();

				File[] baseFolders;
				if (useShellFolder) {
					baseFolders = AccessController.doPrivileged(new PrivilegedAction() {
						public File[] run() {
							return (File[]) ShellFolder.get("fileChooserComboBoxFolders");
						}
					});
				} else {
					baseFolders = fsv.getRoots();
				}
				directories.addAll(Arrays.asList(baseFolders));

				// Get the canonical (full) path. This has the side
				// benefit of removing extraneous chars from the path,
				// for example /foo/bar/ becomes /foo/bar
				File canonical;
				try {
					canonical = ShellFolder.getNormalizedFile(directory);
				} catch (IOException e) {
					// Maybe drive is not ready. Can't abort here.
					canonical = directory;
				}

				// create File instances of each directory leading up to the top
				try {
					File sf = useShellFolder ? ShellFolder.getShellFolder(canonical) : canonical;
					File f = sf;
					Vector path = new Vector(10);
					do {
						path.addElement(f);
					} while ((f = f.getParentFile()) != null);

					int pathCount = path.size();
					// Insert chain at appropriate place in vector
					for (int i = 0; i < pathCount; i++) {
						f = path.get(i);
						if (directories.contains(f)) {
							int topIndex = directories.indexOf(f);
							for (int j = i - 1; j >= 0; j--) {
								directories.insertElementAt(path.get(j), topIndex + i - j);
							}
							break;
						}
					}
					calculateDepths();
					setSelectedItem(sf);
				} catch (FileNotFoundException ex) {
					calculateDepths();
				}
			}

			private void calculateDepths() {
				depths = new int[directories.size()];
				for (int i = 0; i < depths.length; i++) {
					File dir = directories.get(i);
					File parent = dir.getParentFile();
					depths[i] = 0;
					if (parent != null) {
						for (int j = i - 1; j >= 0; j--) {
							if (parent.equals(directories.get(j))) {
								depths[i] = depths[j] + 1;
								break;
							}
						}
					}
				}
			}

			public int getDepth(int i) {
				return (depths != null && i >= 0 && i < depths.length) ? depths[i] : 0;
			}

			public void setSelectedItem(Object selectedDirectory) {
				this.selectedDirectory = (File) selectedDirectory;
				fireContentsChanged(this, -1, -1);
			}

			public Object getSelectedItem() {
				return selectedDirectory;
			}

			public int getSize() {
				return directories.size();
			}

			public Object getElementAt(int index) {
				return directories.elementAt(index);
			}
		}

		//
		// Renderer for Types ComboBox
		//
		protected FilterComboBoxRenderer createFilterComboBoxRenderer() {
			return new FilterComboBoxRenderer();
		}

		/**
		 * Render different type sizes and styles.
		 */
		public class FilterComboBoxRenderer extends DefaultListCellRenderer {
			{
				setFont(labelFont12);
			}

			public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

				super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);

				if (value != null && value instanceof FileFilter) {
					setText(((FileFilter) value).getDescription());
				}

				return this;
			}
		}

		//
		// DataModel for Types Comboxbox
		//
		protected FilterComboBoxModel createFilterComboBoxModel() {
			return new FilterComboBoxModel();
		}

		/**
		 * Data model for a type-face selection combo-box.
		 */
		protected class FilterComboBoxModel extends AbstractListModel implements ComboBoxModel, PropertyChangeListener {
			protected FileFilter[] filters;

			protected FilterComboBoxModel() {
				super();
				filters = getFileChooser().getChoosableFileFilters();
			}

			public void propertyChange(PropertyChangeEvent e) {
				String prop = e.getPropertyName();
				if (prop == JFileChooser.CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY) {
					filters = (FileFilter[]) e.getNewValue();
					fireContentsChanged(this, -1, -1);
				} else if (prop == JFileChooser.FILE_FILTER_CHANGED_PROPERTY) {
					fireContentsChanged(this, -1, -1);
				}
			}

			public void setSelectedItem(Object filter) {
				if (filter != null) {
					getFileChooser().setFileFilter((FileFilter) filter);
					fireContentsChanged(this, -1, -1);
				}
			}

			public Object getSelectedItem() {
				// Ensure that the current filter is in the list.
				// NOTE: we shouldnt' have to do this, since JFileChooser adds
				// the filter to the choosable filters list when the filter
				// is set. Lets be paranoid just in case someone overrides
				// setFileFilter in JFileChooser.
				FileFilter currentFilter = getFileChooser().getFileFilter();
				boolean found = false;
				if (currentFilter != null) {
					for (FileFilter filter : filters) {
						if (filter == currentFilter) {
							found = true;
						}
					}
					if (found == false) {
						getFileChooser().addChoosableFileFilter(currentFilter);
					}
				}
				return getFileChooser().getFileFilter();
			}

			public int getSize() {
				if (filters != null) {
					return filters.length;
				} else {
					return 0;
				}
			}

			public Object getElementAt(int index) {
				if (index > getSize() - 1) {
					// This shouldn't happen. Try to recover gracefully.
					return getFileChooser().getFileFilter();
				}
				if (filters != null) {
					return filters[index];
				} else {
					return null;
				}
			}
		}

		public void valueChanged(ListSelectionEvent e) {
			JFileChooser fc = getFileChooser();
			File f = fc.getSelectedFile();
			if (!e.getValueIsAdjusting() && f != null && !getFileChooser().isTraversable(f)) {
				setFileName(fileNameString(f));
			}
		}

		/**
		 * Acts when DirectoryComboBox has changed the selected item.
		 */
		protected class DirectoryComboBoxAction extends AbstractAction {
			protected DirectoryComboBoxAction() {
				super("DirectoryComboBoxAction");
			}

			public void actionPerformed(ActionEvent e) {
				directoryComboBox.hidePopup();
				File f = (File) directoryComboBox.getSelectedItem();
				if (!getFileChooser().getCurrentDirectory().equals(f)) {
					getFileChooser().setCurrentDirectory(f);
				}
			}
		}

		protected JButton getApproveButton(JFileChooser fc) {
			return approveButton;
		}

		/**
		 * ButtonAreaLayout behaves in a similar manner to
		 * FlowLayout. It lays out all components from left to
		 * right, flushed right. The widths of all components will be set to the
		 * largest preferred size width.
		 */
		private static class ButtonAreaLayout implements LayoutManager {
			private int hGap = 5;
			private int topMargin = 17;

			public void addLayoutComponent(String string, Component comp) {
			}

			public void layoutContainer(Container container) {
				Component[] children = container.getComponents();

				if (children != null && children.length > 0) {
					int numChildren = children.length;
					Dimension[] sizes = new Dimension[numChildren];
					Insets insets = container.getInsets();
					int yLocation = insets.top + topMargin;
					int maxWidth = 0;

					for (int counter = 0; counter < numChildren; counter++) {
						sizes[counter] = children[counter].getPreferredSize();
						maxWidth = Math.max(maxWidth, sizes[counter].width);
					}
					int xLocation, xOffset;
					if (container.getComponentOrientation().isLeftToRight()) {
						xLocation = container.getSize().width - insets.left - maxWidth;
						xOffset = hGap + maxWidth;
					} else {
						xLocation = insets.left;
						xOffset = -(hGap + maxWidth);
					}
					for (int counter = numChildren - 1; counter >= 0; counter--) {
						children[counter].setBounds(xLocation, yLocation, maxWidth, sizes[counter].height);
						xLocation -= xOffset;
					}
				}
			}

			public Dimension minimumLayoutSize(Container c) {
				if (c != null) {
					Component[] children = c.getComponents();

					if (children != null && children.length > 0) {
						int numChildren = children.length;
						int height = 0;
						Insets cInsets = c.getInsets();
						int extraHeight = topMargin + cInsets.top + cInsets.bottom;
						int extraWidth = cInsets.left + cInsets.right;
						int maxWidth = 0;

						for (int counter = 0; counter < numChildren; counter++) {
							Dimension aSize = children[counter].getPreferredSize();
							height = Math.max(height, aSize.height);
							maxWidth = Math.max(maxWidth, aSize.width);
						}
						return new Dimension(extraWidth + numChildren * maxWidth + (numChildren - 1) * hGap, extraHeight + height);
					}
				}
				return new Dimension(0, 0);
			}

			public Dimension preferredLayoutSize(Container c) {
				return minimumLayoutSize(c);
			}

			public void removeLayoutComponent(Component c) {
			}
		}

		private static void groupLabels(AlignedLabel[] group) {
			for (int i = 0; i < group.length; i++) {
				group[i].group = group;
			}
		}

		private class AlignedLabel extends JLabel {
			private AlignedLabel[] group;
			private int maxWidth = 0;

			AlignedLabel() {
				super();
			}

			AlignedLabel(String text) {
				super(text);
			}

			{
				setAlignmentX(JComponent.LEFT_ALIGNMENT);
				setFont(labelFont14);
			}

			public Dimension getPreferredSize() {
				Dimension d = super.getPreferredSize();
				// Align the width with all other labels in group.
				return new Dimension(getMaxWidth() + 11, d.height);
			}

			private int getMaxWidth() {
				if (maxWidth == 0 && group != null) {
					int max = 0;
					for (int i = 0; i < group.length; i++) {
						max = Math.max(group[i].getSuperPreferredWidth(), max);
					}
					for (int i = 0; i < group.length; i++) {
						group[i].maxWidth = max;
					}
				}
				return maxWidth;
			}

			private int getSuperPreferredWidth() {
				return super.getPreferredSize().width;
			}
		}

		@Override
		public void clearIconCache() {
			fileView.clearIconCache();
		}

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

		// ***********************
		// * FileView operations *
		// ***********************
		protected class CustomFileView extends BasicFileView {

			public Icon getIcon(File f) {
				Icon icon = getCachedIcon(f);
				if (icon != null) {
					return icon;
				}
				icon = FileSystemView.getFileSystemView().getSystemIcon(f);
				cacheIcon(f, icon);
				return icon;
			}
		}
	}

	///

	public static Window getWindowForComponent(Component parentComponent) throws HeadlessException {
		if (parentComponent == null)
			return JOptionPane.getRootFrame();
		if (parentComponent instanceof Window)
			return (Window) parentComponent;
		return getWindowForComponent(parentComponent.getParent());
	}

	public static void setLocationRelativeTo(Component parent, Window child) {
		if (parent == null) {
			child.setLocationRelativeTo(null);
		} else {
			Window window = getWindowForComponent(parent);
			if (window != null && window.isShowing()) {
				child.setLocationRelativeTo(parent);
			} else {
				child.setLocationRelativeTo(null);
			}
		}
	}

	/**
	 * 将原Icon位置移动的Icon
	 * 
	 * @author PC
	 * 
	 */
	public static class MoveIcon implements Icon {
		Icon icon;
		int moveX;
		int moveY;

		public MoveIcon(Icon icon, int moveX, int moveY) {
			this.icon = icon;
			this.moveX = moveX;
			this.moveY = moveY;
		}

		@Override
		public void paintIcon(Component c, Graphics g, int x, int y) {
			icon.paintIcon(c, g, x + moveX, y + moveY);
		}

		@Override
		public int getIconWidth() {
			return icon.getIconWidth();
		}

		@Override
		public int getIconHeight() {
			return icon.getIconHeight();
		}
	}

	/**
	 * 箭头Icon
	 * 
	 * @author tang
	 */
	public static class ArrowIcon implements Icon {

		protected int iconWidth;
		protected int iconHeight;
		protected int triangleWidth;
		protected int triangleHeight;
		protected Color triangleColor;
		protected int direction;
		protected Polygon triangle = new Polygon();

		public ArrowIcon(int width, int height, Color arrowColor, int direction) {
			this(width, height, width, height, arrowColor, direction);
		}

		public ArrowIcon(int iconWidth, int iconHeight, int triangleWidth, int triangleHeight, Color triangleColor, int direction) {
			this.iconWidth = iconWidth;
			this.iconHeight = iconHeight;
			this.triangleWidth = triangleWidth;
			this.triangleHeight = triangleHeight;
			this.triangleColor = triangleColor;
			this.direction = direction;

			createTriangle();
		}

		protected void createTriangle() {
			int x = (iconWidth - triangleWidth) / 2;
			int y = (iconHeight - triangleHeight) / 2;

			if (direction == SwingConstants.TOP) {// 箭头向上
				triangle.addPoint(triangleWidth / 2 + x, y);
				triangle.addPoint(triangleWidth + x, triangleHeight + y);
				triangle.addPoint(x, triangleHeight + y);
			} else if (direction == SwingConstants.BOTTOM) {// 箭头向下
				triangle.addPoint(x, y);
				triangle.addPoint(triangleWidth + x, y);
				triangle.addPoint(triangleWidth / 2 + x, triangleHeight + y);
			} else if (direction == SwingConstants.LEFT) {
				triangle.addPoint(x, triangleHeight / 2 + y);
				triangle.addPoint(triangleWidth + x, y);
				triangle.addPoint(triangleWidth + x, triangleHeight + y);
			} else if (direction == SwingConstants.RIGHT) {
				triangle.addPoint(x, y);
				triangle.addPoint(triangleWidth + x, triangleHeight / 2 + y);
				triangle.addPoint(x, triangleHeight + y);
			}
		}

		@Override
		public void paintIcon(Component c, Graphics g, int x, int y) {
			Graphics2D g2 = (Graphics2D) g;
			g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
			g2.setColor(triangleColor);
			AffineTransform af = new AffineTransform();
			af.translate(x, y);
			Shape shape = af.createTransformedShape(triangle);
			g2.fill(shape);
		}

		@Override
		public int getIconWidth() {
			return iconWidth;
		}

		@Override
		public int getIconHeight() {
			return iconHeight;
		}
	}
} 
  

 

二、CustomFileChooser所需要的类RolloverBackgroundButton

import java.awt.Color;
import java.awt.Cursor;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.RenderingHints;

import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;

/**
 * 鼠标悬浮和按下以及选中时能切换背景颜色/边框颜色/前景颜色的Button
 * 
 * @author tang
 * @since 2014/8/23
 * 
 */
public class RolloverBackgroundButton extends JButton {

	private static final long serialVersionUID = 1L;

	protected Color normalBackground;// 默认无状态时背景颜色,此属性父类中已定义(background)
	protected Color pressedBackground;// 鼠标按下时背景颜色
	protected Color rolloverBackground;// 鼠标悬浮时背景颜色
	protected Color selectedBackground;// 选中时背景颜色

	protected Color normalBorderColor;// 默认无状态时边框颜色
	protected Color pressedBorderColor;// 鼠标按下时边框颜色
	protected Color rolloverBorderColor;// 鼠标悬浮时边框颜色
	protected Color selectedBorderColor;// 选中时边框颜色

	protected Color normalForeground;// 默认时前景颜色
	protected Color pressedForeground;// 鼠标按下时前景颜色
	protected Color rolloverForeground;// 鼠标悬浮时前景颜色
	protected Color selectedForeground;// 选中时前景颜色

	{
		initRolloverButton();
	}

	public RolloverBackgroundButton() {
	}

	public RolloverBackgroundButton(Icon icon) {
		super(icon);
	}

	public RolloverBackgroundButton(String text, Icon icon) {
		super(text, icon);
	}

	public RolloverBackgroundButton(String text) {
		super(text);
	}

	public RolloverBackgroundButton(Action a) {
		super(a);
	}

	private void initRolloverButton() {
		setRolloverEnabled(true);
		setBorderPainted(false);
		setContentAreaFilled(false);
		setFocusPainted(false);
		setFont(new Font(Font.DIALOG, Font.PLAIN, 14));

		setNormalBackground(new Color(216, 216, 216));
		setPressedBackground(new Color(216, 216, 216, 100));
		setNormalBorderColor(new Color(174, 174, 174));
		setRolloverBorderColor(new Color(95, 205, 245));
		setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
	}

	@Override
	public void paint(Graphics g) {
		Graphics2D g2d = (Graphics2D) g;
		g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

		Paint oldPaint = g2d.getPaint();
		if (isSelected() && selectedBackground != null) {// 选中时
			g2d.setPaint(selectedBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		} else if (getModel().isPressed() && pressedBackground != null) {// 鼠标按下时
			g2d.setPaint(pressedBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		} else if (getModel().isRollover() && rolloverBackground != null) {// 鼠标悬浮时
			g2d.setPaint(rolloverBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		} else if (normalBackground != null) {// 默认无状态时
			g2d.setPaint(normalBackground);
			g2d.fillRect(0, 0, getWidth(), getHeight());// 背景
		}
		g2d.setPaint(oldPaint);

		if (isSelected() && selectedForeground != null) {// 选中时
			setForeground(selectedForeground);
		} else if (getModel().isPressed() && pressedForeground != null) {// 鼠标按下时
			setForeground(pressedForeground);
		} else if (getModel().isRollover() && rolloverForeground != null) {// 鼠标悬浮时
			setForeground(rolloverForeground);
		} else if (normalForeground != null) {// 默认无状态时
			setForeground(normalForeground);
		}

		super.paint(g2d);

		if (isSelected() && selectedBorderColor != null) {// 选中时
			g2d.setPaint(selectedBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		} else if (getModel().isPressed() && pressedBorderColor != null) {// 鼠标按下时
			g2d.setPaint(pressedBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		} else if (getModel().isRollover() && rolloverBorderColor != null) {// 鼠标悬浮时
			g2d.setPaint(rolloverBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		} else if (normalBorderColor != null) {// 默认无状态时
			g2d.setPaint(normalBorderColor);
			g2d.drawRect(0, 0, getWidth() - 1, getHeight() - 1);// 边框
		}
		g2d.setPaint(oldPaint);
	}

	/**
	 * 清空设置的默认属性值:
* * setNormalBackground(null);
* setPressedBackground(null);
* setNormalBorderColor(null);
* setRolloverBorderColor(null); * */ public void clearDefaultAttribute() { setNormalBackground(null); setPressedBackground(null); setNormalBorderColor(null); setRolloverBorderColor(null); } public Color getNormalBackground() { return normalBackground; } public void setNormalBackground(Color normalBackground) { this.normalBackground = normalBackground; } public Color getPressedBackground() { return pressedBackground; } public void setPressedBackground(Color pressedBackground) { this.pressedBackground = pressedBackground; } public Color getRolloverBackground() { return rolloverBackground; } public void setRolloverBackground(Color rolloverBackground) { this.rolloverBackground = rolloverBackground; } public Color getNormalBorderColor() { return normalBorderColor; } public void setNormalBorderColor(Color normalBorderColor) { this.normalBorderColor = normalBorderColor; } public Color getPressedBorderColor() { return pressedBorderColor; } public void setPressedBorderColor(Color pressedBorderColor) { this.pressedBorderColor = pressedBorderColor; } public Color getRolloverBorderColor() { return rolloverBorderColor; } public void setRolloverBorderColor(Color rolloverBorderColor) { this.rolloverBorderColor = rolloverBorderColor; } public Color getPressedForeground() { return pressedForeground; } public void setPressedForeground(Color pressedForeground) { this.pressedForeground = pressedForeground; } public Color getRolloverForeground() { return rolloverForeground; } public void setRolloverForeground(Color rolloverForeground) { this.rolloverForeground = rolloverForeground; } public Color getNormalForeground() { return normalForeground; } public void setNormalForeground(Color normalForeground) { this.normalForeground = normalForeground; } public Color getSelectedBackground() { return selectedBackground; } public void setSelectedBackground(Color selectedBackground) { this.selectedBackground = selectedBackground; } public Color getSelectedBorderColor() { return selectedBorderColor; } public void setSelectedBorderColor(Color selectedBorderColor) { this.selectedBorderColor = selectedBorderColor; } public Color getSelectedForeground() { return selectedForeground; } public void setSelectedForeground(Color selectedForeground) { this.selectedForeground = selectedForeground; } }
 

三、CustomFileChooser所需要的类CustomComboBox

import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.Serializable;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListCellRenderer;
import javax.swing.ListModel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.plaf.ComboBoxUI;
import javax.swing.plaf.basic.BasicComboPopup;
import javax.swing.plaf.metal.MetalComboBoxUI;

import test.CustomFileChooser.ArrowIcon;
import test.CustomFileChooser.MoveIcon;

/**
 * 自定义下拉框
 * 

* * @author tang */ @SuppressWarnings({ "rawtypes", "unchecked", "serial" }) public class CustomComboBox extends JComboBox { protected Icon arrowIcon = new ArrowIcon(16, 10, 10, 10, Color.decode("#707070"), SwingConstants.BOTTOM); protected Color selectionBackground; protected Color selectionForeground; protected Color popupBackground; protected Color popupForeground; protected Border popupBorder; public CustomComboBox() { super(); init(); } public CustomComboBox(ComboBoxModel aModel) { super(aModel); init(); } public CustomComboBox(E[] items) { super(items); init(); } public CustomComboBox(Vector items) { super(items); init(); } public CustomComboBox(Icon arrowIcon) { super(); this.arrowIcon = arrowIcon; init(); } private void init() { setUI(new CustomComboBoxUI()); setOpaque(true); setForeground(Color.decode("#9a9a9a")); setBackground(Color.WHITE); Border lineBorder = BorderFactory.createLineBorder(Color.decode("#c5c7c8")); setBorder(lineBorder); setFont(new Font(Font.DIALOG, Font.PLAIN, 16)); setPopupForeground(getForeground()); setPopupBackground(getBackground()); setSelectionBackground(Color.LIGHT_GRAY); // getPopup().setOpaque(true); // getPopup().setBackground(popupBackground); setPopupBorder(lineBorder); setRenderer(new CustomComboBoxRenderer()); } @Override public synchronized void addMouseListener(MouseListener l) { super.addMouseListener(l); if (getArrowButton() != null) { getArrowButton().addMouseListener(l); } } public void setSelectionBackground(Color selectionBackground) { this.selectionBackground = selectionBackground; getPopup().getList().setSelectionBackground(selectionBackground); } public void setSelectionForeground(Color selectionForeground) { this.selectionForeground = selectionForeground; getPopup().getList().setSelectionForeground(selectionForeground); } public void setPopupBackground(Color popupBackground) { this.popupBackground = popupBackground; getPopup().getList().setBackground(popupBackground); } public void setPopupForeground(Color popupForeground) { this.popupForeground = popupForeground; getPopup().getList().setForeground(popupForeground); } public void setPopupBorder(Border popupBorder) { this.popupBorder = popupBorder; getPopup().setBorder(popupBorder); } public void setArrowIcon(Icon icon) { this.arrowIcon = icon; updateUI(); } @Override public void setUI(ComboBoxUI ui) { if (ui instanceof CustomComboBoxUI) { super.setUI(ui); } else { super.setUI(new CustomComboBoxUI()); } } @Override public void updateUI() { setUI(new CustomComboBoxUI()); setSelectionBackground(selectionBackground); setSelectionForeground(selectionForeground); setPopupBackground(popupBackground); setPopupForeground(popupForeground); setPopupBorder(popupBorder); ListCellRenderer renderer = getRenderer(); if (renderer instanceof Component) { SwingUtilities.updateComponentTreeUI((Component) renderer); } } /** * 如果想将ComboBox的Background和Foreground与弹出的Popup的Background和Foreground保持一致则可以调用此方法 */ public void synchGroundToPopup() { setPopupBackground(getBackground()); setPopupForeground(getForeground()); } /** * 如果想将ComboBox的Background和Foreground和Border与弹出的Popup的Background和Foreground和Border保持一致则可以调用此方法 */ public void synchAllToPopup() { setPopupBackground(getBackground()); setPopupForeground(getForeground()); setPopupBorder(getBorder()); } /** * 设置ComboBox的Background和Popup的Background * * @param color */ public void setBackgroundAndToPopup(Color color) { setBackground(color); setPopupBackground(color); } /** * 设置ComboBox的Foreground和Popup的Foreground * * @param color */ public void setForegroundAndToPopup(Color color) { setForeground(color); setPopupForeground(color); } /** * 设置ComboBox的Border和Popup的Border * * @param border */ public void setBorderAndToPopup(Border border) { setBorder(border); setPopupBorder(border); } public Icon getArrowIcon() { if (arrowIcon == null) { arrowIcon = new ArrowIcon(16, 10, 12, 10, Color.decode("#707070"), SwingConstants.BOTTOM); } return arrowIcon; } public BasicComboPopup getPopup() { return ((CustomComboBoxUI) getUI()).getPopup(); } public JButton getArrowButton() { return ((CustomComboBoxUI) getUI()).getArrowButton(); } public static boolean isMenuShortcutKeyDown(InputEvent event) { return (event.getModifiers() & Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()) != 0; } public static class CustomList extends JList { public CustomList() { super(); } public CustomList(E[] listData) { super(listData); } public CustomList(ListModel dataModel) { super(dataModel); } public CustomList(Vector listData) { super(listData); } @Override public void processMouseEvent(MouseEvent e) { if (isMenuShortcutKeyDown(e)) { // Fix for 4234053. Filter out the Control Key from the list. // ie., don't allow CTRL key deselection. Toolkit toolkit = Toolkit.getDefaultToolkit(); e = new MouseEvent((Component) e.getSource(), e.getID(), e.getWhen(), e.getModifiers() ^ toolkit.getMenuShortcutKeyMask(), e.getX(), e.getY(), e.getXOnScreen(), e.getYOnScreen(), e.getClickCount(), e.isPopupTrigger(), MouseEvent.NOBUTTON); } super.processMouseEvent(e); } } public static class CustomComboBoxUI extends MetalComboBoxUI { @Override protected JButton createArrowButton() { final CustomComboBox box = (CustomComboBox) comboBox; Icon arrowIcon = box.getArrowIcon(); JButton button = new JButton(arrowIcon); button.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0)); button.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR)); button.setHorizontalTextPosition(SwingConstants.CENTER); button.setVerticalTextPosition(SwingConstants.CENTER); button.setRolloverEnabled(true); button.setFocusPainted(false); button.setOpaque(false); button.setContentAreaFilled(false); button.setBorderPainted(false); button.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 2)); if (arrowIcon != null) { button.setPressedIcon(new MoveIcon(arrowIcon, 0, 1)); } button.setName("ComboBox.arrowButton"); return button; } /** * Paints the currently selected item. */ @Override public void paintCurrentValue(Graphics g, Rectangle bounds, boolean hasFocus) { Component c = comboBox.getRenderer().getListCellRendererComponent(listBox, comboBox.getSelectedItem(), -1, hasFocus && !isPopupVisible(comboBox), false); c.setBackground(comboBox.getBackground());// 清除渲染器原来设置的背景色,将渲染器的背景设置成ComboBox的背景色 c.setForeground(comboBox.getForeground());// 清除渲染器原来设置的前景色,将渲染器的前景设置成ComboBox的前景色 if (c instanceof JComponent) { JComponent jc = (JComponent) c; jc.setOpaque(comboBox.isOpaque()); } int x = bounds.x, y = bounds.y, w = bounds.width, h = bounds.height; if (padding != null) { x = bounds.x + padding.left; y = bounds.y + padding.top; w = bounds.width - (padding.left + padding.right); h = bounds.height - (padding.top + padding.bottom); } currentValuePane.paintComponent(g, c, comboBox, x, y, w, h, c instanceof JPanel); } /** * Paints the background of the currently selected item. */ @Override public void paintCurrentValueBackground(Graphics g, Rectangle bounds, boolean hasFocus) { Color t = g.getColor(); g.setColor(comboBox.getBackground()); g.fillRect(bounds.x, bounds.y, bounds.width, bounds.height); g.setColor(t); } public BasicComboPopup getPopup() { return (BasicComboPopup) popup; } public JButton getArrowButton() { return arrowButton; } } public static class CustomComboBoxRenderer extends DefaultListCellRenderer implements ListCellRenderer, Serializable { private Border rendererBorder = BorderFactory.createEmptyBorder(0, 5, 0, 5); public CustomComboBoxRenderer() { setBorder(rendererBorder); } @Override public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); setBorder(rendererBorder); return this; } public Border getRendererBorder() { return rendererBorder; } public void setRendererBorder(Border rendererBorder) { this.rendererBorder = rendererBorder; } } }

运行效果:

Swing之文件选择器_第1张图片

 

// 文件选择器窗口的右上角那一排图标很丑,可以自己设置文件选择对话框的一系列图标,我因为懒得找图所以就没设置了。
//    UIManager.put("FileChooser.newFolderIcon", newFolderIcon);
//    UIManager.put("FileChooser.upFolderIcon", upFolderIcon);
//    UIManager.put("FileChooser.homeFolderIcon", homeFolderIcon);
//    UIManager.put("FileChooser.detailsViewIcon", detailsViewIcon);
//    UIManager.put("FileChooser.listViewIcon", listViewIcon);

 

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