+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 java.awt.event.MouseAdapter;
+
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+import tim.prune.App;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+import tim.prune.config.Config;
+import tim.prune.data.Field;
+import tim.prune.data.Unit;
+import tim.prune.data.UnitSetLibrary;
+
+/**
+ * Class to provide the function to add an altitude offset to a track range
+ */
+public class AddAltitudeOffset extends GenericFunction
+{
+ private JDialog _dialog = null;
+ private JLabel _descLabel = null;
+ private JTextField _editField = null;
+ private JButton _okButton = null;
+ private Unit _altUnit = null;
+
+
+ /**
+ * Constructor
+ * @param inApp application object for callback
+ */
+ public AddAltitudeOffset(App inApp)
+ {
+ super(inApp);
+ }
+
+ /** Get the name key */
+ public String getNameKey() {
+ return "function.addaltitudeoffset";
+ }
+
+ /**
+ * Begin the function
+ */
+ public void begin()
+ {
+ int selStart = _app.getTrackInfo().getSelection().getStart();
+ int selEnd = _app.getTrackInfo().getSelection().getEnd();
+ if (!_app.getTrackInfo().getTrack().hasData(Field.ALTITUDE, selStart, selEnd))
+ {
+ _app.showErrorMessage(getNameKey(), "dialog.addaltitude.noaltitudes");
+ return;
+ }
+ // Make dialog window
+ if (_dialog == null)
+ {
+ _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
+ _dialog.setLocationRelativeTo(_parentFrame);
+ _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+ _dialog.getContentPane().add(makeDialogComponents());
+ _dialog.pack();
+ }
+ // Set label according to altitude units
+ setLabelText();
+ // Select the contents of the edit field
+ _editField.selectAll();
+ _dialog.setVisible(true);
+ }
+
+
+ /**
+ * Create dialog components
+ * @return Panel containing all gui elements in dialog
+ */
+ private JPanel makeDialogComponents()
+ {
+ JPanel dialogPanel = new JPanel();
+ dialogPanel.setLayout(new BorderLayout());
+ JPanel mainPanel = new JPanel();
+ _descLabel = new JLabel(I18nManager.getText("dialog.addaltitude.desc") + " (ft)");
+ // Note, this label will be reset at each run
+ mainPanel.add(_descLabel);
+ _editField = new JTextField("0", 6);
+ // Listeners to enable/disable ok button
+ KeyAdapter keyListener = new KeyAdapter() {
+ /** Key released */
+ public void keyReleased(KeyEvent arg0) {
+ _okButton.setEnabled(Math.abs(getOffset()) > 0.001);
+ }
+ };
+ MouseAdapter mouseListener = new MouseAdapter() {
+ public void mouseReleased(java.awt.event.MouseEvent arg0) {
+ _okButton.setEnabled(Math.abs(getOffset()) > 0.001);
+ };
+ };
+ _editField.addKeyListener(keyListener);
+ _editField.addMouseListener(mouseListener);
+ mainPanel.add(_editField);
+ dialogPanel.add(mainPanel, BorderLayout.CENTER);
+ // 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);
+ _editField.addActionListener(okListener);
+ 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;
+ }
+
+ /**
+ * Get the value of the altitude to add
+ * @return entered altitude offset as numeric value
+ */
+ private double getOffset()
+ {
+ double ans = 0.0;
+ try {
+ ans = Double.parseDouble(_editField.getText());
+ }
+ catch (Exception e) {}
+ return ans;
+ }
+
+ /**
+ * Set the label text according to the current units
+ */
+ private void setLabelText()
+ {
+ _altUnit = UnitSetLibrary.UNITS_FEET;
+ if (Config.getUnitSet().getAltitudeUnit().isStandard()) {
+ _altUnit = UnitSetLibrary.UNITS_METRES;
+ }
+ final String unitKey = _altUnit.getShortnameKey();
+ _descLabel.setText(I18nManager.getText("dialog.addaltitude.desc") + " (" + I18nManager.getText(unitKey) + ")");
+ }
+
+ /**
+ * Finish the dialog when OK pressed
+ */
+ private void finish()
+ {
+ // Pass information back to App to complete function
+ _app.finishAddAltitudeOffset(_editField.getText(), _altUnit);
+ _dialog.dispose();
+ }
+}