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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.data.Altitude;
import tim.prune.data.Field;
/**
* 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 Altitude.Format _altFormat = Altitude.Format.NO_FORMAT;
/**
* 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(selStart, selEnd);
// 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
* @param inStart start index of selection
* @param inEnd end index of selection
*/
private void setLabelText(int inStart, int inEnd)
{
_altFormat = Altitude.Format.NO_FORMAT;
for (int i=inStart; i<=inEnd && _altFormat==Altitude.Format.NO_FORMAT; i++)
{
Altitude alt = _app.getTrackInfo().getTrack().getPoint(i).getAltitude();
if (alt != null) {
_altFormat = alt.getFormat();
}
}
if (_altFormat==Altitude.Format.NO_FORMAT) {
_altFormat = Altitude.Format.METRES;
}
final String unitKey = (_altFormat==Altitude.Format.METRES?"units.metres.short":"units.feet.short");
_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(), _altFormat);
_dialog.dispose();
}
}
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