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package tim.prune.function;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.I18nManager;
import tim.prune.cmd.AppendRangeCmd;
import tim.prune.data.DataPoint;
import tim.prune.data.Distance;
import tim.prune.data.Unit;
import tim.prune.data.UnitSetLibrary;
import tim.prune.gui.DecimalNumberField;
import tim.prune.gui.GuiGridLayout;
/**
* Class to provide the function to project the current point
* to a circle at a given distance
*/
public class ProjectCircle extends GenericFunction
{
private JDialog _dialog = null;
private JLabel _distanceDescLabel = null;
private DecimalNumberField _distanceField = null;
private boolean _distanceIsMetric = true;
private JButton _okButton = null;
/**
* Constructor
* @param inApp application object for callback
*/
public ProjectCircle(App inApp) {
super(inApp);
}
/** Get the name key */
public String getNameKey() {
return "function.projectcircle";
}
/**
* Begin the function
*/
public void begin()
{
// Make dialog window
if (_dialog == null)
{
_dialog = new JDialog(_parentFrame, getName(), true);
_dialog.setLocationRelativeTo(_parentFrame);
_dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
_dialog.getContentPane().add(makeDialogComponents());
_dialog.pack();
}
// Clear fields
_distanceField.setText("");
// Set the units of the distance label
setLabelText();
enableOK();
_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(0, 10));
dialogPanel.add(new JLabel(I18nManager.getText("dialog.projectcircle.desc")), BorderLayout.NORTH);
JPanel mainPanel = new JPanel();
GuiGridLayout grid = new GuiGridLayout(mainPanel);
_distanceField = new DecimalNumberField(false);
// Listeners to enable/disable ok button
KeyAdapter keyListener = new KeyAdapter() {
/** Key released */
public void keyReleased(KeyEvent inE) {
enableOK();
if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {
_dialog.dispose();
}
else if (inE.getKeyCode() == KeyEvent.VK_ENTER && _okButton.isEnabled()) {
finish();
}
}
};
MouseAdapter mouseListener = new MouseAdapter() {
public void mouseReleased(MouseEvent inE) {
enableOK();
}
};
_distanceField.addKeyListener(keyListener);
_distanceField.addMouseListener(mouseListener);
// Distance including units
_distanceDescLabel = new JLabel(I18nManager.getText("fieldname.distance") + " (ft)");
// Note, this label will be reset at each run
_distanceDescLabel.setHorizontalAlignment(SwingConstants.RIGHT);
grid.add(_distanceDescLabel);
grid.add(_distanceField);
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"));
_okButton.addActionListener(e -> {
if (_okButton.isEnabled()) {finish();}
});
_okButton.setEnabled(false);
buttonPanel.add(_okButton);
JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
cancelButton.addActionListener(e -> _dialog.dispose());
buttonPanel.add(cancelButton);
dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
return dialogPanel;
}
/**
* Set the label text according to the current units
*/
private void setLabelText()
{
_distanceIsMetric = getConfig().getUnitSet().isMetric();
final Unit distUnit = _distanceIsMetric ? UnitSetLibrary.UNITS_METRES : UnitSetLibrary.UNITS_FEET;
final String unitKey = distUnit.getShortnameKey();
_distanceDescLabel.setText(I18nManager.getText("fieldname.distance") + " (" + I18nManager.getText(unitKey) + ")");
}
/**
* Enable or disable the OK button based on the contents of the input fields
*/
private void enableOK()
{
final boolean distanceOk = _distanceField.getValue() > 0.0;
_okButton.setEnabled(distanceOk);
}
/**
* Finish the dialog when OK pressed
*/
private void finish()
{
DataPoint currPoint = _app.getTrackInfo().getCurrentPoint();
Unit distUnit = _distanceIsMetric ? UnitSetLibrary.UNITS_METRES : UnitSetLibrary.UNITS_FEET;
final double projectRads = Distance.convertDistanceToRadians(_distanceField.getValue(), distUnit);
final int NUM_POINTS_IN_CIRCLE = 24;
ArrayList<DataPoint> points = new ArrayList<>();
for (int pointNum=0; pointNum<=NUM_POINTS_IN_CIRCLE; pointNum++)
{
final double bearingRads = (pointNum % NUM_POINTS_IN_CIRCLE) * 2.0 * Math.PI / NUM_POINTS_IN_CIRCLE;
// Create point and append to track
DataPoint point = PointUtils.projectPoint(currPoint, bearingRads, projectRads);
point.setSegmentStart(pointNum == 0);
points.add(point);
}
// give data to App
AppendRangeCmd command = new AppendRangeCmd(points);
command.setDescription(getName());
command.setConfirmText(I18nManager.getTextWithNumber("confirm.pointsadded", points.size()));
_app.execute(command);
_dialog.dispose();
}
}
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