package tim.prune.function.deletebydate;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
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.util.Date;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import tim.prune.App;
import tim.prune.DataSubscriber;
import tim.prune.I18nManager;
import tim.prune.UpdateMessageBroker;
import tim.prune.data.DataPoint;
import tim.prune.function.compress.MarkAndDeleteFunction;
/**
* Function to select a date or dates,
* and delete the corresponding points
*/
public class DeleteByDateFunction extends MarkAndDeleteFunction
{
/** dialog for selecting dates */
private JDialog _dialog = null;
/** Ok button */
private JButton _okButton = null;
/** date info list */
private DateInfoList _infoList = new DateInfoList();
/**
* Constructor
* @param inApp App object
*/
public DeleteByDateFunction(App inApp)
{
super(inApp);
}
@Override
public String getNameKey() {
return "function.deletebydate";
}
@Override
public void begin()
{
// Make a list of which dates are present in the track
_infoList.clearAll();
final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
for (int i=0; i<numPoints; i++)
{
DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
if (point != null)
{
if (point.hasTimestamp()) {
_infoList.addPoint(point.getTimestamp().getCalendar().getTime());
}
else {
_infoList.addPoint(null); // no timestamp available
}
}
}
// System.out.println("Debug: info list has dateless points? " + (_infoList.hasDatelessPoints() ? "yes":"no"));
// System.out.println("Debug: info list has " + _infoList.getNumEntries() + " different entries");
// System.out.println("Debug: info list has " + _infoList.getTotalNumPoints() + " total points");
// final boolean checkOk = (_infoList.getTotalNumPoints() == numPoints);
// System.out.println("Debug: which " + (checkOk?"IS":"ISN'T!") + " the same as track: " + numPoints);
// Loop over entries for debug
// if (!checkOk)
// {
// for (int i=0; i<_infoList.getNumEntries(); i++)
// {
// DateInfo info = _infoList.getDateInfo(i);
// System.out.println(" " + i + " (" + info.getPointCount() + " points) - " +
// (info.isDateless() ? "no date" : "date"));
// }
// }
// Complain if there is only one entry in the list - this means all points are on the same day
if (_infoList.getNumEntries() < 2)
{
_app.showErrorMessage(getNameKey(), "dialog.deletebydate.onlyonedate");
}
else
{
// Create and build dialog if necessary
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();
}
// Show dialog
_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(5, 5));
// Label at top
JLabel topLabel = new JLabel(I18nManager.getText("dialog.deletebydate.intro"));
topLabel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
dialogPanel.add(topLabel, BorderLayout.NORTH);
// close window if escape pressed
KeyAdapter escListener = new KeyAdapter() {
public void keyReleased(KeyEvent inE) {
if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {
_dialog.dispose();
}
}
};
JTable infoTable = new JTable(new DeletionTableModel(_infoList));
JScrollPane pane = new JScrollPane(infoTable);
pane.setPreferredSize(new Dimension(300, 80));
pane.setBorder(BorderFactory.createEmptyBorder(2, 50, 2, 50));
dialogPanel.add(pane, BorderLayout.CENTER);
// button panel at bottom
JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
// OK button
_okButton = new JButton(I18nManager.getText("button.ok"));
_okButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
performDelete();
}
});
buttonPanel.add(_okButton);
_okButton.addKeyListener(escListener);
// Cancel button
JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
cancelButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
_dialog.dispose();
}
});
cancelButton.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent inE) {
if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {_dialog.dispose();}
}
});
buttonPanel.add(cancelButton);
dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
return dialogPanel;
}
/**
* Do the actual point deletion according to the
* selected rows in the table
*/
private void performDelete()
{
int numMarked = 0;
final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
final int numDates = _infoList.getNumEntries();
// Loop over all points to mark each one for deletion or not
for (int p=0; p<numPoints; p++)
{
DataPoint point = _app.getTrackInfo().getTrack().getPoint(p);
if (point != null)
{
Date date = (point.hasTimestamp() ? point.getTimestamp().getCalendar().getTime() : null);
boolean pointMarked = false;
// Try to match each of the date info objects in the list
for (int d=0; d<numDates; d++)
{
DateInfo info = _infoList.getDateInfo(d);
if ( (info.isDateless() && date == null) // matches dateless
|| (!info.isDateless() && date != null && info.isSameDate(date)))
{
pointMarked = info.getDeleteFlag();
break;
}
}
point.setMarkedForDeletion(pointMarked);
if (pointMarked) {
numMarked++;
}
}
}
// Now points have been marked, we can ask user to delete them (or delete automatically)
if (numMarked > 0) {
optionallyDeleteMarkedPoints(numMarked);
}
else {
// Do nothing //System.out.println("Nothing selected to delete!");
// delete flags might have been reset, so refresh display
UpdateMessageBroker.informSubscribers(DataSubscriber.SELECTION_CHANGED);
}
_dialog.dispose();
}
}