controlFilePanel.setBorder(BorderFactory.createTitledBorder("Directory for control files"));
GroupLayout controlFilePanelLayout = new GroupLayout(controlFilePanel);
controlFilePanel.setLayout(controlFilePanelLayout);
controlFilePanelLayout.setHorizontalGroup(
controlFilePanelLayout.createParallelGroup(LEADING)
.addGroup(controlFilePanelLayout.createSequentialGroup()
.addComponent(controlFileTextfield, PREFERRED_SIZE, CONTROL_FILE_TEXTFIELD_WIDTH, PREFERRED_SIZE)
.addPreferredGap(RELATED)
.addComponent(controlFileButton))
);
controlFilePanelLayout.setVerticalGroup(