altosui: Display data for point nearest cursor in map view

[fw/altos] / altosuilib / AltosUIMap.java

diff --git a/altosuilib/AltosUIMap.java b/altosuilib/AltosUIMap.java
index 8dfdba64c8bca8da70beb0f8462e6c2e3882341c..6b78c35a5f5b41d2ee14d12d06df6dea2df59beb 100644 (file)
--- a/altosuilib/AltosUIMap.java
+++ b/altosuilib/AltosUIMap.java
@@ -36,6 +36,7 @@ public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosM
        Graphics2D      g;
        Font            tile_font;
        Font            line_font;
+       AltosMapMark    nearest_mark;
 
        static Point2D.Double point2d(AltosPointDouble pt) {
                return new Point2D.Double(pt.x, pt.y);
@@ -115,7 +116,40 @@ public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosM
                        map.touch_continue(e.getPoint().x, e.getPoint().y, is_drag_event(e));
                }
 
+               String pos(double p, String pos, String neg) {
+                       String  h = pos;
+                       if (p < 0) {
+                               h = neg;
+                               p = -p;
+                       }
+                       int deg = (int) Math.floor(p);
+                       double min = (p - Math.floor(p)) * 60.0;
+                       return String.format("%s %4d° %9.6f'", h, deg, min);
+               }
+
                public void mouseMoved(MouseEvent e) {
+                       AltosMapPathPoint point = map.nearest(e.getPoint().x, e.getPoint().y);
+
+                       if (nearest_mark == null)
+                               nearest_mark = map.add_mark(point.lat_lon.lat,
+                                                           point.lat_lon.lon,
+                                                           point.state);
+                       else {
+                               nearest_mark.lat_lon.lat = point.lat_lon.lat;
+                               nearest_mark.lat_lon.lon = point.lat_lon.lon;
+                               nearest_mark.state = point.state;
+                       }
+                       if (point != null) {
+                               nearest_label.setText(String.format("Time: %9.2f Position:  %s  %s",
+                                                                   point.time,
+                                                                   pos(point.lat_lon.lat,
+                                                                       "N", "S"),
+                                                                   pos(point.lat_lon.lon,
+                                                                       "E", "W")));
+                       } else {
+                               nearest_label.setText("");
+                       }
+                       repaint();
                }
 
                /* MouseListener methods */
@@ -387,6 +421,8 @@ public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosM
        public void set_font() {
                tile_font = AltosUILib.value_font;
                line_font = AltosUILib.status_font;
+               if (nearest_label != null)
+                       nearest_label.setFont(AltosUILib.value_font);
        }
 
        public void font_size_changed(int font_size) {
@@ -400,6 +436,8 @@ public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosM
 
        JLabel  zoom_label;
 
+       JLabel  nearest_label;
+
        public void set_maptype(int type) {
 /*
                map.set_maptype(type);
@@ -430,8 +468,8 @@ public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosM
                map.show(state, listener_state);
        }
 
-       public void show(AltosGPS gps, int state) {
-               map.show(gps, state);
+       public void show(AltosGPS gps, double time, int state) {
+               map.show(gps, time, state);
        }
 
        public String getName() {
@@ -541,6 +579,20 @@ public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosM
                c.weighty = 0;
                add(zoom_out, c);
 
+
+               nearest_label = new JLabel("", JLabel.LEFT);
+               nearest_label.setFont(tile_font);
+
+               c = new GridBagConstraints();
+               c.anchor = GridBagConstraints.CENTER;
+               c.fill = GridBagConstraints.HORIZONTAL;
+               c.gridx = 0;
+               c.gridy = 11;
+               c.weightx = 0;
+               c.weighty = 0;
+               c.gridwidth = 1;
+               c.gridheight = 1;
+               add(nearest_label, c);
 /*
                maptype_combo = new JComboBox<String>(map.maptype_labels);