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package tim.prune.function;
import java.awt.BorderLayout;
import java.awt.Component;
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.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.I18nManager;
import tim.prune.data.DataPoint;
import tim.prune.gui.WaypointNameMatcher;
/**
* Class to provide the function to find a waypoint by name
*/
public class FindWaypoint extends GenericFunction
{
private WaypointNameMatcher _nameMatcher = null;
private JDialog _dialog = null;
private JTextField _searchField = null;
private JList<String> _pointList = null;
private JButton _okButton = null;
/**
* Constructor
* @param inApp application object for callback
*/
public FindWaypoint(App inApp)
{
super(inApp);
}
/** Get the name key */
public String getNameKey() {
return "function.findwaypoint";
}
/**
* Begin the function
*/
public void begin()
{
// 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();
}
// Initialise waypoint list from track
_nameMatcher.init(_app.getTrackInfo().getTrack());
// Show dialog
_searchField.setText("");
_dialog.setVisible(true);
}
/**
* Create dialog components
* @return Panel containing all gui elements in dialog
*/
private Component makeDialogComponents()
{
JPanel dialogPanel = new JPanel();
dialogPanel.setLayout(new BorderLayout());
JPanel topPanel = new JPanel();
topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS));
topPanel.add(new JLabel(I18nManager.getText("dialog.findwaypoint.intro")));
JPanel subPanel = new JPanel();
subPanel.add(new JLabel(I18nManager.getText("dialog.findwaypoint.search")));
_searchField = new JTextField(12);
_searchField.addKeyListener(new KeyAdapter() {
public void keyReleased(KeyEvent e)
{
_nameMatcher.findMatches(_searchField.getText());
if (_nameMatcher.getSize() == 0 || _nameMatcher.getSize() < _pointList.getSelectedIndex())
_okButton.setEnabled(false);
else if (_pointList.getSelectedIndex() >= 0)
_okButton.setEnabled(true);
// close dialog if escape pressed
if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
_dialog.dispose();
}
}
});
subPanel.add(_searchField);
topPanel.add(subPanel);
dialogPanel.add(topPanel, BorderLayout.NORTH);
// middle panel with list
_nameMatcher = new WaypointNameMatcher();
_pointList = new JList<String>(_nameMatcher);
_pointList.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e)
{
if (!e.getValueIsAdjusting()) _okButton.setEnabled(true);
}});
JScrollPane listPane = new JScrollPane(_pointList);
dialogPanel.add(listPane, 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);
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;
}
/**
* Finish the dialog when OK pressed
* Select the point and close the dialog
*/
private void finish()
{
DataPoint selectedPoint = _nameMatcher.getWaypoint(_pointList.getSelectedIndex());
_app.getTrackInfo().selectPoint(selectedPoint);
_dialog.dispose();
}
}
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