private void makeUI() {
JComponent[] variableComponents =
createComponents(PROPERTY_VARIABLE_NAME, TextFieldEditor.class);
final TableLayout layout = new TableLayout(2);
layout.setTablePadding(4, 3);
layout.setCellWeightX(0, 1, 1.0);
layout.setCellWeightX(1, 1, 1.0);
layout.setCellWeightX(2, 0, 1.0);
layout.setCellColspan(2, 0, 2);
layout.setTableFill(TableLayout.Fill.HORIZONTAL);
final JPanel panel = new JPanel(layout);
panel.add(variableComponents[1]);
panel.add(variableComponents[0]);
JLabel expressionLabel = new JLabel("Variable expression:");
JTextArea expressionArea = new JTextArea();
expressionArea.setRows(3);
TextComponentAdapter textComponentAdapter = new TextComponentAdapter(expressionArea);
bindingContext.bind(PROPERTY_EXPRESSION, textComponentAdapter);
panel.add(expressionLabel);
panel.add(layout.createHorizontalSpacer());
panel.add(expressionArea);
JButton editExpressionButton = new JButton("Edit Expression...");
editExpressionButton.setName("editExpressionButton");
editExpressionButton.addActionListener(createEditExpressionButtonListener());
panel.add(layout.createHorizontalSpacer());
panel.add(editExpressionButton);
setContent(panel);
}
