+package tim.prune.function;
+
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import tim.prune.App;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+import tim.prune.gui.WholeNumberField;
+
+/**
+ * First step of functions which just require a single numeric
+ * parameter in order to run
+ */
+public class ChooseSingleParameter extends GenericFunction
+{
+ /** Parent function which needs this parameter */
+ private SingleNumericParameterFunction _parent = null;
+ /** dialog */
+ private JDialog _dialog = null;
+ /** label which might need to be changed */
+ private JLabel _descLabel = null;
+ /** entry field */
+ private WholeNumberField _numberField = null;
+ /** ok button */
+ private JButton _okButton = null;
+
+
+ /** Constructor */
+ public ChooseSingleParameter(App inApp, SingleNumericParameterFunction inFunction)
+ {
+ super(inApp);
+ _parent = inFunction;
+ }
+
+ @Override
+ public String getNameKey() {
+ return _parent.getNameKey();
+ }
+
+ @Override
+ public void begin()
+ {
+ // Make dialog window
+ if (_dialog == null)
+ {
+ _dialog = new JDialog(_parentFrame, I18nManager.getText(_parent.getNameKey()), true);
+ _dialog.setLocationRelativeTo(_parentFrame);
+ _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+ _dialog.getContentPane().add(makeDialogComponents());
+ _dialog.pack();
+ }
+ // refresh and show the dialog
+ _descLabel.setText(I18nManager.getText(_parent.getDescriptionKey()));
+ int param = _parent.getCurrentParamValue();
+ if (param > 0) {
+ _numberField.setValue(param);
+ }
+ else {
+ _numberField.setText("");
+ }
+ _dialog.setVisible(true);
+ enableOkButton();
+ }
+
+ /**
+ * Create dialog components
+ * @return Panel containing all gui elements in dialog
+ */
+ private JPanel makeDialogComponents()
+ {
+ JPanel dialogPanel = new JPanel();
+ dialogPanel.setLayout(new BorderLayout());
+ // label
+ _descLabel = new JLabel(I18nManager.getText(_parent.getDescriptionKey()));
+ dialogPanel.add(_descLabel, BorderLayout.NORTH);
+ // Centre panel with number entry field
+ JPanel centrePanel = new JPanel();
+ centrePanel.setLayout(new BorderLayout(8, 8));
+ _numberField = new WholeNumberField(4);
+ centrePanel.add(_numberField, BorderLayout.NORTH);
+ dialogPanel.add(centrePanel, BorderLayout.CENTER);
+
+ // Listener to enable/disable ok button
+ _numberField.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent arg0) {
+ enableOkButton();
+ }
+ });
+ _numberField.addKeyListener(new KeyAdapter() {
+ public void keyReleased(KeyEvent inE)
+ {
+ int eCode = inE.getKeyCode();
+ if (eCode == KeyEvent.VK_ESCAPE) {_dialog.dispose();}
+ else if (eCode == KeyEvent.VK_ENTER) {finish();}
+ super.keyReleased(inE);
+ }
+ });
+
+ // button panel at bottom
+ JPanel buttonPanel = new JPanel();
+ buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+ _okButton = new JButton(I18nManager.getText("button.ok"));
+ ActionListener okListener = new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ finish();
+ }
+ };
+ _okButton.addActionListener(okListener);
+ _okButton.setEnabled(false);
+ buttonPanel.add(_okButton);
+ JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+ cancelButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ _dialog.dispose();
+ }
+ });
+ buttonPanel.add(cancelButton);
+ dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
+ dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
+ return dialogPanel;
+ }
+
+
+ /**
+ * Enable or disable the OK button as appropriate
+ */
+ private void enableOkButton()
+ {
+ _okButton.setEnabled(_numberField.getValue() >= _parent.getMinAllowedValue()
+ && _numberField.getValue() <= _parent.getMaxAllowedValue());
+ }
+
+ /**
+ * The OK button (or Enter) has been pressed
+ */
+ private void finish()
+ {
+ if (_numberField.getValue() >= _parent.getMinAllowedValue()
+ && _numberField.getValue() <= _parent.getMaxAllowedValue())
+ {
+ _parent.completeFunction(_numberField.getValue());
+ _dialog.dispose();
+ }
+ }
+}