Version 8, September 2009

[GpsPrune.git] / tim / prune / gui / ProfileChart.java

diff --git a/tim/prune/gui/ProfileChart.java b/tim/prune/gui/ProfileChart.java
index 8bc2c055a5301910b8c3a71cc1b3708204794078..f7ae105cfae85665f848287d37fc85ec0f59c7d1 100644 (file)
--- a/tim/prune/gui/ProfileChart.java
+++ b/tim/prune/gui/ProfileChart.java
@@ -6,6 +6,7 @@ import java.awt.Graphics;
 import java.awt.event.MouseEvent;
 
 import tim.prune.I18nManager;
+import tim.prune.data.Altitude;
 import tim.prune.data.AltitudeRange;
 import tim.prune.data.Track;
 import tim.prune.data.TrackInfo;
@@ -19,6 +20,7 @@ public class ProfileChart extends GenericChart
        private static final int[] ALTITUDE_SCALES = {10000, 5000, 2000, 1000, 500, 200, 100, 50};
        private static final Color COLOR_LINES       = Color.GRAY;
        private static final Color COLOR_ALT_BARS    = Color.BLUE;
+       private static final Color COLOR_CURR_RANGE  = Color.GREEN;
        private static final Color COLOR_SELECTED    = Color.RED;
        private static final Color COLOR_SELECTED_BG = Color.ORANGE;
        private static final Color COLOR_ALT_SCALE   = Color.RED;
@@ -47,13 +49,9 @@ public class ProfileChart extends GenericChart
                {
                        int width = getWidth();
                        int height = getHeight();
-                       AltitudeRange altitudeRange = _track.getAltitudeRange();
-                       int minAltitude = altitudeRange.getMinimum();
-                       int maxAltitude = altitudeRange.getMaximum();
 
                        // message if no altitudes in track
-                       if (minAltitude < 0 || maxAltitude < 0
-                               || minAltitude == maxAltitude)
+                       if (!_track.hasAltitudeData())
                        {
                                g.setColor(COLOR_LINES);
                                g.drawString(I18nManager.getText("display.noaltitudes"), 50, height/2);
@@ -61,12 +59,20 @@ public class ProfileChart extends GenericChart
                        }
 
                        // altitude profile
+                       AltitudeRange altitudeRange = _track.getAltitudeRange();
+                       int minAltitude = altitudeRange.getMinimum();
+                       int maxAltitude = altitudeRange.getMaximum();
                        int numPoints = _track.getNumPoints();
                        _xScaleFactor = 1.0 * (width - 2 * BORDER_WIDTH) / numPoints;
-                       double yScaleFactor = 1.0 * (height - 2 * BORDER_WIDTH) /
-                         (altitudeRange.getMaximum() - minAltitude);
+                       double yScaleFactor = 1.0 * (height - 2 * BORDER_WIDTH) / (maxAltitude - minAltitude);
                        int barWidth = (int) (_xScaleFactor + 1.0);
                        int selectedPoint = _trackInfo.getSelection().getCurrentPointIndex();
+                       // selection start, end
+                       int selectionStart = -1, selectionEnd = -1;
+                       if (_trackInfo.getSelection().hasRangeSelected()) {
+                               selectionStart = _trackInfo.getSelection().getStart();
+                               selectionEnd = _trackInfo.getSelection().getEnd();
+                       }
 
                        // horizontal lines for scale - set to round numbers eg 500m
                        int lineScale = getLineScale(minAltitude, maxAltitude);
@@ -86,28 +92,36 @@ public class ProfileChart extends GenericChart
                                }
                        }
 
-                       // loop through points
-                       int chartFormat = altitudeRange.getFormat();
-                       for (int p = 0; p < numPoints; p++)
+                       try
                        {
-                               int x = (int) (_xScaleFactor * p);
-                               if (p == selectedPoint)
+                               // loop through points
+                               Altitude.Format chartFormat = altitudeRange.getFormat();
+                               for (int p = 0; p < numPoints; p++)
                                {
-                                       g.setColor(COLOR_SELECTED_BG);
-                                       g.fillRect(BORDER_WIDTH + x, BORDER_WIDTH+1, barWidth, height-2*BORDER_WIDTH-2);
-                                       g.setColor(COLOR_SELECTED);
-                               }
-                               else
-                               {
-                                       g.setColor(COLOR_ALT_BARS);
-                               }
-                               if (_track.getPoint(p).getAltitude().isValid())
-                               {
-                                       altitude = _track.getPoint(p).getAltitude().getValue(chartFormat);
-                                       y = (int) (yScaleFactor * (altitude - minAltitude));
-                                       g.fillRect(BORDER_WIDTH+x, height-BORDER_WIDTH - y, barWidth, y);
+                                       int x = (int) (_xScaleFactor * p);
+                                       if (p == selectedPoint)
+                                       {
+                                               g.setColor(COLOR_SELECTED_BG);
+                                               g.fillRect(BORDER_WIDTH + x, BORDER_WIDTH+1, barWidth, height-2*BORDER_WIDTH-2);
+                                               g.setColor(COLOR_SELECTED);
+                                       }
+                                       else
+                                       {
+                                               g.setColor(COLOR_ALT_BARS);
+                                               if (p >= selectionStart && p <= selectionEnd) {
+                                                       g.setColor(COLOR_CURR_RANGE);
+                                               }
+                                       }
+                                       if (_track.getPoint(p).getAltitude().isValid())
+                                       {
+                                               altitude = _track.getPoint(p).getAltitude().getValue(chartFormat);
+                                               y = (int) (yScaleFactor * (altitude - minAltitude));
+                                               g.fillRect(BORDER_WIDTH+x, height-BORDER_WIDTH - y, barWidth, y);
+                                       }
                                }
                        }
+                       catch (NullPointerException npe) { // ignore, probably due to data being changed
+                       }
                        // Draw numbers on top of the graph to mark scale
                        if (lineScale > 1)
                        {
@@ -178,6 +192,7 @@ public class ProfileChart extends GenericChart
 
        /**
         * Method to inform map that data has changed
+        * @param inTrack track object
         */
        public void dataUpdated(Track inTrack)
        {
@@ -202,7 +217,7 @@ public class ProfileChart extends GenericChart
                        {
                                // work out which data point is nearest and select it
                                int pointNum = (int) ((e.getX() - BORDER_WIDTH) / _xScaleFactor);
-                               _trackInfo.getSelection().selectPoint(pointNum);
+                               _trackInfo.selectPoint(pointNum);
                        }
                }
        }