content: package tim.prune.save;
  
  import java.awt.BorderLayout;
  import java.awt.GridLayout;
  
  import javax.swing.BorderFactory;
  import javax.swing.JCheckBox;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  import javax.swing.border.EtchedBorder;
  
  import tim.prune.I18nManager;
  import tim.prune.data.TrackInfo;
  
  /**
   * GUI element to allow the selection of point types for saving,
   * including checkboxes for track points, waypoints, photo points, audio points
   * and also a checkbox for the current selection
   */
  public class PointTypeSelector extends JPanel
  {
  	/** Array of checkboxes */
  	private final JCheckBox[] _checkboxes = new JCheckBox[5];
  	/** Grid panel for top row */
  	private JPanel _gridPanel = null;
  
  
  	/**
  	 * Constructor
  	 */
  	public PointTypeSelector()
  	{
  		createComponents();
  		setBorder(BorderFactory.createCompoundBorder(
  			BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(4, 4, 4, 4))
  		);
  	}
  
  	/**
  	 * Create the GUI components
  	 */
  	private void createComponents()
  	{
  		setLayout(new BorderLayout());
  		add(new JLabel(I18nManager.getText("dialog.pointtype.desc")), BorderLayout.NORTH);
  		// panel for the checkboxes
  		_gridPanel = new JPanel();
  		_gridPanel.setLayout(new GridLayout(0, 3, 15, 3));
  		final String[] keys = {"track", "waypoint", "photo", "audio"};
  		for (int i=0; i<4; i++)
  		{
  			_checkboxes[i] = new JCheckBox(I18nManager.getText("dialog.pointtype." + keys[i]));
  			_checkboxes[i].setSelected(true);
  			if (i<3) {_gridPanel.add(_checkboxes[i]);}
  		}
  		add(_gridPanel, BorderLayout.CENTER);
  		_checkboxes[4] = new JCheckBox(I18nManager.getText("dialog.pointtype.selection"));
  		add(_checkboxes[4], BorderLayout.SOUTH);
  	}
  
  
  	/**
  	 * Initialize the checkboxes from the given data
  	 * @param inTrackInfo TrackInfo object
  	 */
  	public void init(TrackInfo inTrackInfo)
  	{
  		// Get whether track has track points, waypoints, photos, audios
  		boolean[] dataFlags = {inTrackInfo.getTrack().hasTrackPoints(),
  				inTrackInfo.getTrack().hasWaypoints(),
  				inTrackInfo.getPhotoList().hasAny(),
  				inTrackInfo.getAudioList().hasAny()
  		};
  		// Rearrange grid to just show the appropriate entries
  		final boolean[] showFlags = {true, true, dataFlags[2] || !dataFlags[3], dataFlags[3]};
  		_gridPanel.removeAll();
  		for (int i=0; i<4; i++) {
  			if (showFlags[i]) {_gridPanel.add(_checkboxes[i]);}
  		}
  		// Enable or disable checkboxes according to data present
  		for (int i=0; i<4; i++)
  		{
  			if (dataFlags[i]) {
  				if (!_checkboxes[i].isEnabled()) {_checkboxes[i].setSelected(true);}
  				_checkboxes[i].setEnabled(true);
  			}
  			else {
  				_checkboxes[i].setSelected(false);
  				_checkboxes[i].setEnabled(false);
  			}
  		}
  		_checkboxes[4].setEnabled(inTrackInfo.getSelection().hasRangeSelected());
  		_checkboxes[4].setSelected(false);
  	}
  
  	/**
  	 * @return true if trackpoints selected
  	 */
  	public boolean getTrackpointsSelected() {
  		return _checkboxes[0].isSelected();
  	}
  
  	/**
  	 * @return true if waypoints selected
  	 */
  	public boolean getWaypointsSelected() {
  		return _checkboxes[1].isSelected();
  	}
  
  	/**
  	 * @return true if photo points selected
  	 */
  	public boolean getPhotopointsSelected() {
  		return _checkboxes[2].isSelected();
  	}
  
  	/**
  	 * @return true if audio points selected
  	 */
  	public boolean getAudiopointsSelected() {
  		return _checkboxes[3].isSelected();
  	}
  
  	/**
  	 * @return true if only the current selection should be saved
  	 */
  	public boolean getJustSelection() {
  		return _checkboxes[4].isSelected();
  	}
  
  	/**
  	 * @return true if at least one type selected
  	 */
  	public boolean getAnythingSelected()
  	{
  		return getTrackpointsSelected() || getWaypointsSelected()
  			|| getPhotopointsSelected() || getAudiopointsSelected();
  	}
  }
  