protected JPanel buildStylesheetPanel()

in batik-svgbrowser/src/main/java/org/apache/batik/apps/svgbrowser/PreferenceDialog.java [913:1072]
146 lines of code
20 McCabe index (conditional complexity)

    protected JPanel buildStylesheetPanel() {
        JGridBagPanel.InsetsManager im = new JGridBagPanel.InsetsManager() {
            protected Insets i1 = new Insets(5, 5, 0, 0);
            protected Insets i2 = new Insets(5, 0, 0, 0);
            protected Insets i3 = new Insets(0, 5, 0, 0);
            protected Insets i4 = new Insets(0, 0, 0, 0);

            public Insets getInsets(int x, int y) {
                if (y >= 1 && y <= 5) {
                    return x == 0 ? i2 : i1;
                }
                return x == 0 ? i4 : i3;
            }
        };

        JGridBagPanel p = new JGridBagPanel(im);
        p.setBorder(BorderFactory.createEmptyBorder(16, 16, 16, 16));

        userStylesheetEnabled = new JCheckBox(Resources.getString(PREFERENCE_KEY_LABEL_ENABLE_USER_STYLESHEET));
        userStylesheetEnabled.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                boolean b = userStylesheetEnabled.isSelected();
                userStylesheetLabel.setEnabled(b);
                userStylesheet.setEnabled(b);
                userStylesheetBrowse.setEnabled(b);
            }
        });

        userStylesheetLabel = new JLabel(Resources.getString(PREFERENCE_KEY_LABEL_USER_STYLESHEET));
        userStylesheet = new JTextField();
        userStylesheetBrowse = new JButton(Resources.getString(PREFERENCE_KEY_LABEL_BROWSE));
        userStylesheetBrowse.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                File f = null;
                if (Platform.isOSX) {
                    FileDialog fileDialog =
                        new FileDialog
                            ((Frame) getOwner(),
                             Resources.getString(PREFERENCE_KEY_BROWSE_TITLE));
                    fileDialog.setVisible(true);
                    String filename = fileDialog.getFile();
                    if (filename != null) {
                        String dirname = fileDialog.getDirectory();
                        f = new File(dirname, filename);
                    }
                } else {
                    JFileChooser fileChooser = new JFileChooser(new File("."));
                    fileChooser.setDialogTitle
                        (Resources.getString(PREFERENCE_KEY_BROWSE_TITLE));
                    fileChooser.setFileHidingEnabled(false);

                    int choice =
                    fileChooser.showOpenDialog(PreferenceDialog.this);
                    if (choice == JFileChooser.APPROVE_OPTION) {
                        f = fileChooser.getSelectedFile();
                    }
                }
                if (f != null) {
                    try {
                        userStylesheet.setText(f.getCanonicalPath());
                    } catch (IOException ex) {
                    }
                }
            }
        });

        JLabel mediaLabel = new JLabel(Resources.getString(PREFERENCE_KEY_LABEL_CSS_MEDIA_TYPES));
        mediaLabel.setVerticalAlignment(SwingConstants.TOP);
        mediaList = new JList();
        mediaList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        mediaList.setModel(mediaListModel);
        mediaList.addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                updateMediaListButtons();
            }
        });
        mediaListModel.addListDataListener(new ListDataListener() {
            public void contentsChanged(ListDataEvent e) {
                updateMediaListButtons();
            }
            public void intervalAdded(ListDataEvent e) {
                updateMediaListButtons();
            }
            public void intervalRemoved(ListDataEvent e) {
                updateMediaListButtons();
            }
        });
        JScrollPane scrollPane = new JScrollPane();
        scrollPane.setBorder(BorderFactory.createLoweredBevelBorder());
        scrollPane.getViewport().add(mediaList);

        JButton addButton = new JButton(Resources.getString(PREFERENCE_KEY_LABEL_ADD));
        addButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                CSSMediaPanel.AddMediumDialog dialog =
                    new CSSMediaPanel.AddMediumDialog(PreferenceDialog.this);
                dialog.pack();
                dialog.setVisible(true);

                if (dialog.getReturnCode() ==
                            CSSMediaPanel.AddMediumDialog.CANCEL_OPTION
                        || dialog.getMedium() == null) {
                    return;
                }

                String medium = dialog.getMedium().trim();
                if (medium.length() == 0 || mediaListModel.contains(medium)) {
                    return;
                }

                for (int i = 0;
                        i < mediaListModel.size() && medium != null;
                        ++i) {
                    String s = (String) mediaListModel.getElementAt(i);
                    int c = medium.compareTo(s);
                    if (c == 0) {
                        medium = null;
                    } else if (c < 0) {
                        mediaListModel.insertElementAt(medium, i);
                        medium = null;
                    }
                }
                if (medium != null) {
                    mediaListModel.addElement(medium);
                }
            }
        });

        mediaListRemoveButton = new JButton(Resources.getString(PREFERENCE_KEY_LABEL_REMOVE));
        mediaListRemoveButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int index = mediaList.getSelectedIndex();
                mediaList.clearSelection();
                if (index >= 0) {
                    mediaListModel.removeElementAt(index);
                }
            }
        });

        mediaListClearButton = new JButton(Resources.getString(PREFERENCE_KEY_LABEL_CLEAR));
        mediaListClearButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                mediaList.clearSelection();
                mediaListModel.removeAllElements();
            }
        });

        p.add(userStylesheetEnabled, 1, 0, 2, 1, WEST, NONE, 0, 0);
        p.add(userStylesheetLabel,   0, 1, 1, 1, EAST, NONE, 0, 0);
        p.add(userStylesheet,        1, 1, 1, 1, WEST, HORIZONTAL, 1, 0);
        p.add(userStylesheetBrowse,  2, 1, 1, 1, WEST, HORIZONTAL, 0, 0);
        p.add(mediaLabel,            0, 2, 1, 1, EAST, VERTICAL, 0, 0);
        p.add(scrollPane,            1, 2, 1, 4, WEST, BOTH, 1, 1);
        p.add(new JPanel(),          2, 2, 1, 1, WEST, BOTH, 0, 1);
        p.add(addButton,             2, 3, 1, 1, SOUTHWEST, HORIZONTAL, 0, 0);
        p.add(mediaListRemoveButton, 2, 4, 1, 1, SOUTHWEST, HORIZONTAL, 0, 0);
        p.add(mediaListClearButton,  2, 5, 1, 1, SOUTHWEST, HORIZONTAL, 0, 0);

        return p;
    }