gtkfilechooserui.java

来自「JAVA的一些源码 JAVA2 STANDARD EDITION DEVELO」· Java 代码 · 共 1,342 行 · 第 1/4 页

	return new SelectionListener();
    }

    class DoubleClickListener extends MouseAdapter {
	JList list;
	public  DoubleClickListener(JList list) {
	    this.list = list;
	}

	public void mouseClicked(MouseEvent e) {
	    if (SwingUtilities.isLeftMouseButton(e) && e.getClickCount() == 2) {
		int index = list.locationToIndex(e.getPoint());
		if (index >= 0) {
		    File f = (File) list.getModel().getElementAt(index);
		    try {
			// Strip trailing ".."
			f = f.getCanonicalFile();
		    } catch (IOException ex) {
			// That's ok, we'll use f as is
		    }
		    if (getFileChooser().isTraversable(f)) {
                        list.clearSelection();
                        if (getFileChooser().getCurrentDirectory().equals(f)){
                            rescanCurrentDirectory(getFileChooser());
                        } else {
                            getFileChooser().setCurrentDirectory(f);
                        }
		    } else {
			getFileChooser().approveSelection();
		    }
		}
	    }
	}

        public void mouseEntered(MouseEvent evt) {
            if (list != null) {
                TransferHandler th1 = getFileChooser().getTransferHandler();
                TransferHandler th2 = list.getTransferHandler();
                if (th1 != th2) {
                    list.setTransferHandler(th1);
                }
                if (getFileChooser().getDragEnabled() != list.getDragEnabled()) {
                    list.setDragEnabled(getFileChooser().getDragEnabled());
                }
            }
        }
    }

    protected MouseListener createDoubleClickListener(JFileChooser fc, JList list) {
	return new DoubleClickListener(list);
    }



    protected class SelectionListener implements ListSelectionListener {
	public void valueChanged(ListSelectionEvent e) {
	    if (!e.getValueIsAdjusting()) {
		JFileChooser chooser = getFileChooser();
		JList list = (JList) e.getSource();

		if (chooser.isMultiSelectionEnabled()) {
		    File[] files = null;
		    Object[] objects = list.getSelectedValues();
		    if (objects != null) {
			if (objects.length == 1
			    && ((File)objects[0]).isDirectory()
			    && chooser.isTraversable(((File)objects[0]))
			    && (chooser.getFileSelectionMode() != chooser.DIRECTORIES_ONLY
				|| !chooser.getFileSystemView().isFileSystem(((File)objects[0])))) {
			    setDirectorySelected(true);
			    setDirectory(((File)objects[0]));
			} else {
			    ArrayList fList = new ArrayList(objects.length);
			    for (int i = 0; i < objects.length; i++) {
				File f = (File)objects[i];
				if ((chooser.isFileSelectionEnabled() && f.isFile())
				    || (chooser.isDirectorySelectionEnabled() && f.isDirectory())) {
				    fList.add(f);
				}
			    }
			    if (fList.size() > 0) {
				files = (File[])fList.toArray(new File[fList.size()]);
			    }
			    setDirectorySelected(false);
			}
		    }
		    chooser.setSelectedFiles(files);
		} else {
		    File file = (File)list.getSelectedValue();
		    if (file != null
			&& file.isDirectory()
			&& chooser.isTraversable(file)
			&& (chooser.getFileSelectionMode() != chooser.DIRECTORIES_ONLY
			    || !chooser.getFileSystemView().isFileSystem(file))) {

			setDirectorySelected(true);
			setDirectory(file);
		    } else {
			setDirectorySelected(false);
			if (file != null) {
			    chooser.setSelectedFile(file);
			}
		    }
		}
	    }
	}
    }


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

    public void installUI(JComponent c) {
	accessoryPanel = new JPanel(new BorderLayout(10, 10));
	accessoryPanel.setName("GTKFileChooser.accessoryPanel");

	super.installUI(c);
    }

    public void uninstallUI(JComponent c) {
        c.removePropertyChangeListener(filterComboBoxModel);
        super.uninstallUI(c);

        if (accessoryPanel != null) {
            accessoryPanel.removeAll();
        }
        accessoryPanel = null;
        getFileChooser().removeAll();
    }

    public void installComponents(JFileChooser fc) {
        super.installComponents(fc);

        boolean leftToRight = fc.getComponentOrientation().isLeftToRight();

        fc.setLayout(new BorderLayout());
        fc.setAlignmentX(JComponent.CENTER_ALIGNMENT);

        // Top row of buttons
        JPanel topButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 0, 0));
        topButtonPanel.setBorder(new EmptyBorder(10, 10, 0, 10));
        topButtonPanel.setName("GTKFileChooser.topButtonPanel");

        if (!UIManager.getBoolean("FileChooser.readOnly")) {
            JButton newFolderButton = new JButton(getNewFolderAction());
            newFolderButton.setName("GTKFileChooser.newFolderButton");
            newFolderButton.setMnemonic(newFolderButtonMnemonic);
            newFolderButton.setToolTipText(newFolderButtonToolTipText);
            newFolderButton.setText(newFolderButtonText);
            topButtonPanel.add(newFolderButton);
        }
        JButton deleteFileButton = new JButton(deleteFileButtonText);
        deleteFileButton.setName("GTKFileChooser.deleteFileButton");
        deleteFileButton.setMnemonic(deleteFileButtonMnemonic);
        deleteFileButton.setToolTipText(deleteFileButtonToolTipText);
        deleteFileButton.setEnabled(false);
        topButtonPanel.add(deleteFileButton);

        RenameFileAction rfa = new RenameFileAction();
        JButton renameFileButton = new JButton(rfa);
        if (readOnly) {
            rfa.setEnabled(false);
        }
        renameFileButton.setText(renameFileButtonText); 
        renameFileButton.setName("GTKFileChooser.renameFileButton");
        renameFileButton.setMnemonic(renameFileButtonMnemonic);
        renameFileButton.setToolTipText(renameFileButtonToolTipText);
        topButtonPanel.add(renameFileButton);

        fc.add(topButtonPanel, BorderLayout.NORTH);


        interior = new JPanel();
        interior.setBorder(new EmptyBorder(0, 10, 10, 10));
        interior.setName("GTKFileChooser.interiorPanel");
        align(interior);
        interior.setLayout(new BoxLayout(interior, BoxLayout.PAGE_AXIS));

        fc.add(interior, BorderLayout.CENTER);

        JPanel comboBoxPanel = new JPanel(new FlowLayout(FlowLayout.CENTER,
                                                         0, 0) {
            public void layoutContainer(Container target) {
                super.layoutContainer(target);
                JComboBox comboBox = directoryComboBox;
                if (comboBox.getWidth() > target.getWidth()) {
                    comboBox.setBounds(0, comboBox.getY(), target.getWidth(),
                                       comboBox.getHeight());
                }
            }
        });
        comboBoxPanel.setBorder(new EmptyBorder(0, 0, 4, 0));
        comboBoxPanel.setName("GTKFileChooser.directoryComboBoxPanel");
        // CurrentDir ComboBox
        directoryComboBoxModel = createDirectoryComboBoxModel(fc);
        directoryComboBox = new JComboBox(directoryComboBoxModel);
        directoryComboBox.setName("GTKFileChooser.directoryComboBox");
        directoryComboBox.putClientProperty( "JComboBox.lightweightKeyboardNavigation", "Lightweight" );
        directoryComboBox.addActionListener(directoryComboBoxAction);
        directoryComboBox.setMaximumRowCount(8);
        comboBoxPanel.add(directoryComboBox);
        interior.add(comboBoxPanel);


        // CENTER: left, right, accessory
        JPanel centerPanel = new JPanel(new BorderLayout());
        centerPanel.setName("GTKFileChooser.centerPanel");

        // SPLIT PANEL: left, right
        JSplitPane splitPanel = new JSplitPane();
        splitPanel.setName("GTKFileChooser.splitPanel");
        splitPanel.setDividerLocation((PREF_SIZE.width-8)/2);

        // left panel - Filter & directoryList
        JPanel leftPanel = new JPanel(new GridBagLayout());
        leftPanel.setName("GTKFileChooser.directoryListPanel");

        // Add the Directory List
        // Create a label that looks like button (should be a table header)
        TableCellRenderer headerRenderer = new JTableHeader().getDefaultRenderer();
        JComponent directoryListLabel =
            (JComponent)headerRenderer.getTableCellRendererComponent(null, foldersLabelText,
                                                                     false, false, 0, 0);
        directoryListLabel.setName("GTKFileChooser.directoryListLabel");
        leftPanel.add(directoryListLabel, new GridBagConstraints(
                          0, 0, 1, 1, 1, 0, GridBagConstraints.WEST,
                          GridBagConstraints.HORIZONTAL,
                          new Insets(0, 0, 0, 0), 0, 0));
        leftPanel.add(createDirectoryList(), new GridBagConstraints(
                          0, 1, 1, 1, 1, 1, GridBagConstraints.EAST,
                          GridBagConstraints.BOTH,
                          new Insets(0, 0, 0, 0), 0, 0));


        // create files list
        rightPanel = new JPanel(new GridBagLayout());
        rightPanel.setName("GTKFileChooser.fileListPanel");

        headerRenderer = new JTableHeader().getDefaultRenderer();
        JComponent fileListLabel =
            (JComponent)headerRenderer.getTableCellRendererComponent(null, filesLabelText,
                                                                     false, false, 0, 0);
        fileListLabel.setName("GTKFileChooser.fileListLabel");
        rightPanel.add(fileListLabel, new GridBagConstraints(
                          0, 0, 1, 1, 1, 0, GridBagConstraints.WEST,
                          GridBagConstraints.HORIZONTAL,
                          new Insets(0, 0, 0, 0), 0, 0));
        rightPanel.add(createFilesList(), new GridBagConstraints(
                          0, 1, 1, 1, 1, 1, GridBagConstraints.EAST,
                          GridBagConstraints.BOTH,
                          new Insets(0, 0, 0, 0), 0, 0));

        splitPanel.add(leftPanel,  leftToRight ? JSplitPane.LEFT : JSplitPane.RIGHT);
        splitPanel.add(rightPanel, leftToRight ? JSplitPane.RIGHT : JSplitPane.LEFT);
        centerPanel.add(splitPanel, BorderLayout.CENTER);

        JComponent accessoryPanel = getAccessoryPanel();
        JComponent accessory = fc.getAccessory();
        if (accessoryPanel != null) {
            if (accessory == null) {
                accessoryPanel.setPreferredSize(ZERO_ACC_SIZE);
                accessoryPanel.setMaximumSize(ZERO_ACC_SIZE);
            } else {
                getAccessoryPanel().add(accessory, BorderLayout.CENTER);
                accessoryPanel.setPreferredSize(accessory.getPreferredSize());
                accessoryPanel.setMaximumSize(MAX_SIZE);
            }
            align(accessoryPanel);
            centerPanel.add(accessoryPanel, BorderLayout.AFTER_LINE_ENDS);
        }
        interior.add(centerPanel);
        interior.add(Box.createRigidArea(vstrut10));

        JPanel pathFieldPanel = new JPanel(new FlowLayout(FlowLayout.LEADING,
                                                          0, 0));
        pathFieldPanel.setBorder(new EmptyBorder(0, 0, 4, 0));
        JLabel pathFieldLabel = new JLabel(pathLabelText);
        pathFieldLabel.setName("GTKFileChooser.pathFieldLabel");
        pathFieldLabel.setDisplayedMnemonic(pathLabelMnemonic);
        align(pathFieldLabel);
        pathFieldPanel.add(pathFieldLabel);
        pathFieldPanel.add(Box.createRigidArea(hstrut3));

        File currentDirectory = fc.getCurrentDirectory();
        String curDirName = null;
        if (currentDirectory != null) {
            curDirName = currentDirectory.getPath();
        }
        pathField = new JLabel(curDirName) {
            public Dimension getMaximumSize() {
                Dimension d = super.getMaximumSize();
                d.height = getPreferredSize().height;
                return d;
            }
        };
        pathField.setName("GTKFileChooser.pathField");
        pathFieldLabel.setLabelFor(pathField);
        align(pathField);
        pathFieldPanel.add(pathField);
        interior.add(pathFieldPanel);

        // add the fileName field
        fileNameTextField = new JTextField() {
            public Dimension getMaximumSize() {
                Dimension d = super.getMaximumSize();
                d.height = getPreferredSize().height;
                return d;
            }
        };
        Set forwardTraversalKeys = fileNameTextField.getFocusTraversalKeys(
            KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS);
        forwardTraversalKeys = new HashSet(forwardTraversalKeys);
        forwardTraversalKeys.remove(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0));
        fileNameTextField.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, forwardTraversalKeys);

        fileNameTextField.setName("GTKFileChooser.fileNameTextField");
        fileNameTextField.getActionMap().put("fileNameCompletionAction", getFileNameCompletionAction());
        fileNameTextField.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0), "fileNameCompletionAction");
        interior.add(fileNameTextField);

        // Add the filter combo box
        JPanel panel = new JPanel();
        panel.setLayout(new FlowLayout(FlowLayout.LEADING, 0, 0));
        panel.setBorder(new EmptyBorder(0, 0, 4, 0));
        JLabel filterLabel = new JLabel(filterLabelText);
        filterLabel.setName("GTKFileChooser.filterLabel");
        filterLabel.setDisplayedMnemonic(filterLabelMnemonic);
        panel.add(filterLabel);

        filterComboBoxModel = createFilterComboBoxModel();
        fc.addPropertyChangeListener(filterComboBoxModel);
        filterComboBox = new JComboBox(filterComboBoxModel);