private void setRegressionLabels() {
for (Regression r : Regression.values()) {
regressionLabels[r.ordinal()] = app.getMenu(r.getLabel());
}
}
private JPanel createRegressionPanel() {
// components
String[] orders = {"2", "3", "4", "5", "6", "7", "8", "9"};
cbPolyOrder = new JComboBox(orders);
cbPolyOrder.setSelectedIndex(0);
cbPolyOrder.addActionListener(this);
cbPolyOrder.setFocusable(false);
regressionLabels = new String[Regression.values().length];
setRegressionLabels();
cbRegression = new JComboBox(regressionLabels);
cbRegression.addActionListener(this);
cbRegression.setFocusable(false);
lblRegEquation = new JLabel();
lblEqn = new JLabel();
// regression combo panel
JPanel cbPanel = new JPanel();
cbPanel.setLayout(new BoxLayout(cbPanel, BoxLayout.Y_AXIS));
cbPanel.add(LayoutUtil.flowPanel(cbRegression));
cbPanel.add(LayoutUtil.flowPanel(cbPolyOrder));
// regression label panel
JPanel eqnPanel = new JPanel(new BorderLayout());
eqnPanel.add(lblRegEquation, BorderLayout.CENTER);
JScrollPane scroller = new JScrollPane(eqnPanel);
scroller.setBorder(BorderFactory.createEmptyBorder());
// prediction panel
createPredictionPanel();
// model panel: equation + prediction
JPanel modelPanel = new JPanel();
modelPanel.setLayout(new BoxLayout(modelPanel, BoxLayout.Y_AXIS));
modelPanel.add(scroller);
modelPanel.add(predictionPanel);
// put it all together
regressionPanel = new JPanel(new BorderLayout(30, 0));
regressionPanel.add(modelPanel, BorderLayout.CENTER);
regressionPanel.add(cbPanel, loc.borderWest());
regressionPanel.setBorder(BorderFactory.createTitledBorder(loc.getMenu("RegressionModel")));
JPanel mainPanel = new JPanel(new BorderLayout());
mainPanel.add(regressionPanel, BorderLayout.CENTER);
return mainPanel;
}
/** Sets the labels according to current locale */
public void setLabels() {
regressionLabels = new String[Regression.values().length];
setRegressionLabels();
// we need to remove old labels from combobox and we don't want the
// listener to
// be operational since it will call unnecessary Construction updates
int j = cbRegression.getSelectedIndex();
ActionListener al = cbRegression.getActionListeners()[0];
cbRegression.removeActionListener(al);
cbRegression.removeAllItems();
for (int i = 0; i < regressionLabels.length; i++) {
cbRegression.addItem(regressionLabels[i]);
}
cbRegression.setSelectedIndex(j);
cbRegression.addActionListener(al);
((TitledBorder) regressionPanel.getBorder()).setTitle(app.getMenu("RegressionModel"));
lblEqn.setText(app.getMenu("Equation") + ":");
lblEvaluate.setText(app.getMenu("Evaluate") + ": ");
}