Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / function / distance / DistanceFunction.java

diff --git a/src/tim/prune/function/distance/DistanceFunction.java b/src/tim/prune/function/distance/DistanceFunction.java
new file mode 100644 (file)
index 0000000..5fe6e7e
--- /dev/null
+++ b/src/tim/prune/function/distance/DistanceFunction.java
@@ -0,0 +1,171 @@
+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;
+       }
+}