private JPanel buildLogFileReceiverPanel()

in src/main/java/org/apache/log4j/chainsaw/ReceiverConfigurationPanel.java [365:480]
102 lines of code
3 McCabe index (conditional complexity)

    private JPanel buildLogFileReceiverPanel() {
        JPanel panel = new JPanel(new GridBagLayout());
        browseLogFileButton = new JButton(new AbstractAction(" Open File... ") {
            public void actionPerformed(ActionEvent e) {
                try {
                    URL url = browseFile("Select a log file", true);
                    if (url != null) {
                        String item = url.toURI().toString();
                        logFileURLTextField.setText(item);
                    }
                } catch (Exception ex) {
                    logger.error(
                        "Error browsing for log file", ex);
                }
            }
        });

        browseLogFileButton.setToolTipText("Shows a File Open dialog to allow you to find a log file");
        GridBagConstraints c = new GridBagConstraints();
        c.gridx = 0;
        c.gridy = 0;
        c.anchor = GridBagConstraints.LINE_START;
        c.insets = new Insets(0, 0, 5, 0);
        panel.add(browseLogFileButton, c);

        c = new GridBagConstraints();
        c.gridx = 0;
        c.gridy = 1;
        c.anchor = GridBagConstraints.LINE_END;
        c.insets = new Insets(0, 0, 5, 5);
        panel.add(new JLabel(" Log file URL "), c);
        logFileURLTextField = new JTextField();
        logFileURLTextField.setEditable(true);

        c = new GridBagConstraints();
        c.gridx = 1;
        c.gridy = 1;
        c.weightx = 1.0;
        c.gridwidth = 1;
        c.anchor = GridBagConstraints.LINE_START;
        c.fill = GridBagConstraints.HORIZONTAL;
        c.insets = new Insets(0, 0, 5, 0);
        panel.add(logFileURLTextField, c);

        c = new GridBagConstraints();
        c.gridx = 0;
        c.gridy = 2;
        c.anchor = GridBagConstraints.LINE_END;
        c.insets = new Insets(0, 0, 5, 5);
        panel.add(new JLabel(" Log file format type "), c);

        DefaultComboBoxModel<String> comboBoxModel = new DefaultComboBoxModel<>();
        comboBoxModel.addElement("LogFilePatternReceiver LogFormat");
        comboBoxModel.addElement("PatternLayout format");

        logFileFormatTypeComboBox = new JComboBox<>(comboBoxModel);
        logFileFormatTypeComboBox.setOpaque(false);

        c = new GridBagConstraints();
        c.gridx = 1;
        c.gridy = 2;
        c.anchor = GridBagConstraints.LINE_START;
        c.insets = new Insets(0, 0, 5, 0);
        panel.add(logFileFormatTypeComboBox, c);

        c = new GridBagConstraints();
        c.gridx = 0;
        c.gridy = 3;
        c.anchor = GridBagConstraints.LINE_END;
        c.insets = new Insets(0, 5, 5, 5);
        panel.add(new JLabel(" Log file format "), c);

        logFileFormatComboBoxModel = new DefaultComboBoxModel<>();
        seedLogFileFormatComboBoxModel();
        logFileFormatComboBox = new JComboBox<>(logFileFormatComboBoxModel);
        logFileFormatComboBox.setEditable(true);
        logFileFormatComboBox.setOpaque(false);
        logFileFormatComboBox.setSelectedIndex(0);

        c = new GridBagConstraints();
        c.gridx = 1;
        c.gridy = 3;
        c.weightx = 0.5;
        c.anchor = GridBagConstraints.LINE_START;
        c.fill = GridBagConstraints.HORIZONTAL;
        c.insets = new Insets(0, 0, 5, 0);
        panel.add(logFileFormatComboBox, c);

        c = new GridBagConstraints();
        c.gridx = 0;
        c.gridy = 4;
        c.insets = new Insets(0, 5, 5, 5);
        panel.add(new JLabel(" Log file timestamp format "), c);

        logFileFormatTimestampFormatComboBoxModel = new DefaultComboBoxModel<>();
        seedLogFileFormatTimestampComboBoxModel();
        logFileFormatTimestampFormatComboBox = new JComboBox<>(logFileFormatTimestampFormatComboBoxModel);
        logFileFormatTimestampFormatComboBox.setEditable(true);
        logFileFormatTimestampFormatComboBox.setOpaque(false);

        c = new GridBagConstraints();
        c.gridx = 1;
        c.gridy = 4;
        c.weightx = 0.5;
        c.fill = GridBagConstraints.HORIZONTAL;
        c.insets = new Insets(0, 0, 0, 0);
        panel.add(logFileFormatTimestampFormatComboBox, c);

        c = new GridBagConstraints();
        c.gridx = 0;
        c.gridy = 5;
        c.gridwidth = 5;
        c.insets = new Insets(15, 5, 0, 5);
        panel.add(new JLabel("<html> See PatternLayout or LogFilePatternReceiver JavaDoc for details </html>"), c);
        return panel;
    }