leftPanel.add(buttonPanel, BorderLayout.SOUTH);
editorPanel = new JPanel(new BorderLayout());
editorPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
JSplitPane split = new SingleLineSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPanel, editorPanel);
split.setDividerLocation(150);
split.setResizeWeight(0.25);
add(split, BorderLayout.CENTER);
if (getNode().getInputs().size() > 0)
portList.setSelectedIndex(0);
}