configManager.setFontFamily(fontFamilyCombo.getSelectedItem()
.toString());
configManager.setFontSize(Integer.parseInt(fontSizeCombo.getValue()
.toString()));
ConfigPersistence configPersistence = new ConfigPersistence();
configPersistence.saveProperties(mainWindow,
configManager.getConfiguration());
JInternalFrame[] internalFrames = mainWindow.getDesktop().getAllFrames();
for (JInternalFrame internalFrame : internalFrames) {
LogWindow logWindow = (LogWindow) internalFrame;