X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fdistance%2FDistanceFunction.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fdistance%2FDistanceFunction.java;h=5fe6e7e7d9e307d901ad25c23b2a4ea021acc3d3;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/distance/DistanceFunction.java b/src/tim/prune/function/distance/DistanceFunction.java
new file mode 100644
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+++ b/src/tim/prune/function/distance/DistanceFunction.java
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+package tim.prune.function.distance;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+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.JScrollPane;
+import javax.swing.JTable;
+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.data.TrackInfo;
+
+/**
+ * Class to provide the distance measuring function between waypoints
+ */
+public class DistanceFunction extends GenericFunction
+{
+	/** Dialog */
+	private JDialog _dialog = null;
+	/** Table for 'from' point selection */
+	private JTable _pointTable = null;
+	/** Model for 'from' table */
+	private FromTableModel _fromModel = null;
+	/** Model for distance table */
+	private DistanceTableModel _distModel = null;
+
+
+	/**
+	 * Constructor
+	 * @param inApp App object
+	 */
+	public DistanceFunction(App inApp)
+	{
+		super(inApp);
+	}
+
+	/** Get the name key */
+	public String getNameKey() {
+		return "function.distances";
+	}
+
+	/**
+	 * Begin the function
+	 */
+	public void begin()
+	{
+		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();
+		}
+		ArrayList<DataPoint> pointList = getPointList(_app.getTrackInfo());
+		// Check if point list has size at least 2
+		if (pointList.size() < 2) {
+			_app.showErrorMessage(getNameKey(), "dialog.distances.toofewpoints");
+			return;
+		}
+		_fromModel.init(pointList);
+		_distModel.init(pointList);
+		_pointTable.getSelectionModel().setSelectionInterval(0, 0);
+		_distModel.recalculate(0);
+		_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.distances.intro"));
+		topLabel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+		dialogPanel.add(topLabel, BorderLayout.NORTH);
+
+		JPanel mainPanel = new JPanel();
+		mainPanel.setLayout(new GridLayout(1, 2));
+		// First table for 'from point'
+		_fromModel = new FromTableModel();
+		_pointTable = new JTable(_fromModel);
+		_pointTable.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
+			/** selection changed */
+			public void valueChanged(ListSelectionEvent e) {
+				if (!e.getValueIsAdjusting()) {
+					_distModel.recalculate(_pointTable.getSelectedRow());
+				}
+			}
+		});
+		JScrollPane scrollPane = new JScrollPane(_pointTable);
+		scrollPane.setPreferredSize(new Dimension(100, 250));
+		mainPanel.add(scrollPane);
+		// second table for distances
+		_distModel = new DistanceTableModel();
+		JTable distTable = new JTable(_distModel);
+		// Use reflection to call distTable.setAutoCreateRowSorter(true) which is new with Java 1.6
+		try {
+			Class<?> d = Class.forName("javax.swing.JTable");
+			d.getDeclaredMethod("setAutoCreateRowSorter", new Class[]{Boolean.TYPE}).invoke(distTable, Boolean.TRUE);
+		}
+		catch (Exception e) {}
+		scrollPane = new JScrollPane(distTable);
+		scrollPane.setPreferredSize(new Dimension(200, 250));
+		mainPanel.add(scrollPane);
+		dialogPanel.add(mainPanel, BorderLayout.CENTER);
+
+		// close window if escape pressed
+		KeyAdapter escListener = new KeyAdapter() {
+			public void keyReleased(KeyEvent inE) {
+				if (inE.getKeyCode() == KeyEvent.VK_ESCAPE) {
+					_dialog.dispose();
+				}
+			}
+		};
+		_pointTable.addKeyListener(escListener);
+		distTable.addKeyListener(escListener);
+
+		// button panel at bottom
+		JPanel buttonPanel = new JPanel();
+		buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+		JButton closeButton = new JButton(I18nManager.getText("button.close"));
+		closeButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				_dialog.dispose();
+			}
+		});
+		buttonPanel.add(closeButton);
+		dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
+		return dialogPanel;
+	}
+
+	/**
+	 * Get the point list for the tables
+	 * @param inTrackInfo TrackInfo object
+	 */
+	private static ArrayList<DataPoint> getPointList(TrackInfo inTrackInfo)
+	{
+		// Get the list of waypoints (if any)
+		ArrayList<DataPoint> pointList = new ArrayList<DataPoint>();
+		inTrackInfo.getTrack().getWaypoints(pointList);
+		// Get the current point (if any)
+		DataPoint currPoint = inTrackInfo.getCurrentPoint();
+		if (currPoint != null && !currPoint.isWaypoint()) {
+			// Add current point to start of list
+			pointList.add(0, currPoint);
+		}
+		return pointList;
+	}
+}