private void updateDetailPane()

in src/main/java/org/apache/log4j/chainsaw/LogPanel.java [3512:3559]
39 lines of code
11 McCabe index (conditional complexity)

        private void updateDetailPane(boolean force) {
            /*
             * Don't bother doing anything if it's not visible. Note: the isVisible() method on
             * Component is not really accurate here because when the button to toggle display of
             * the detail pane is triggered it still appears as 'visible' for some reason.
             */
            if (!preferenceModel.isDetailPaneVisible()) {
                return;
            }

            LoggingEventWrapper loggingEventWrapper = null;
            if (force || (selectedRow != -1 && (lastRow != selectedRow))) {
                loggingEventWrapper = tableModel.getRow(selectedRow);

                if (loggingEventWrapper != null) {
                    final StringBuilder buf = new StringBuilder();
                    buf.append(detailLayout.format(loggingEventWrapper.getLoggingEvent()));
                    if (buf.length() > 0) {
                        try {
                            final Document doc = detail.getEditorKit().createDefaultDocument();
                            detail.getEditorKit().read(new StringReader(buf.toString()), doc, 0);

                            SwingHelper.invokeOnEDT(() -> {
                                detail.setDocument(doc);
                                JTextComponentFormatter.applySystemFontAndSize(detail);
                                detail.setCaretPosition(0);
                                lastRow = selectedRow;
                            });
                        } catch (Exception e) {
                        }
                    }
                }
            }

            if (loggingEventWrapper == null && (lastRow != selectedRow)) {
                try {
                    final Document doc = detail.getEditorKit().createDefaultDocument();
                    detail.getEditorKit().read(new StringReader("<html>Nothing selected</html>"), doc, 0);
                    SwingHelper.invokeOnEDT(() -> {
                        detail.setDocument(doc);
                        JTextComponentFormatter.applySystemFontAndSize(detail);
                        detail.setCaretPosition(0);
                        lastRow = selectedRow;
                    });
                } catch (Exception e) {
                }
            }
        }