Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / gui / profile / SpeedData.java

diff --git a/src/tim/prune/gui/profile/SpeedData.java b/src/tim/prune/gui/profile/SpeedData.java
new file mode 100644 (file)
index 0000000..4b0f350
--- /dev/null
+++ b/src/tim/prune/gui/profile/SpeedData.java
@@ -0,0 +1,66 @@
+package tim.prune.gui.profile;
+
+import tim.prune.I18nManager;
+import tim.prune.data.SpeedCalculator;
+import tim.prune.data.SpeedValue;
+import tim.prune.data.Track;
+import tim.prune.data.UnitSet;
+
+/**
+ * Class to provide a source of speed data for the profile chart
+ */
+public class SpeedData extends ProfileData
+{
+       /**
+        * Constructor
+        * @param inTrack track object
+        */
+       public SpeedData(Track inTrack) {
+               super(inTrack);
+       }
+
+       /**
+        * Get the data and populate the instance arrays
+        */
+       public void init(UnitSet inUnitSet)
+       {
+               setUnitSet(inUnitSet);
+               initArrays();
+               _hasData = false;
+               _minValue = _maxValue = 0.0;
+               SpeedValue speed = new SpeedValue();
+               if (_track != null)
+               {
+                       for (int i=0; i<_track.getNumPoints(); i++)
+                       {
+                               // Get the speed either from the speed value or from the distances and timestamps
+                               SpeedCalculator.calculateSpeed(_track, i, speed);
+                               if (speed.isValid())
+                               {
+                                       double speedValue = speed.getValue();
+                                       _pointValues[i] = speedValue;
+                                       if (speedValue < _minValue || !_hasData) {_minValue = speedValue;}
+                                       if (speedValue > _maxValue || !_hasData) {_maxValue = speedValue;}
+                                       _hasData = true;
+                               }
+                               _pointHasData[i] = speed.isValid();
+                       }
+               }
+       }
+
+       /**
+        * @return text description including units
+        */
+       public String getLabel()
+       {
+               return I18nManager.getText("fieldname.speed") + " ("
+                       + I18nManager.getText(_unitSet.getSpeedUnit().getShortnameKey()) + ")";
+       }
+
+       /**
+        * @return key for message when no speeds present
+        */
+       public String getNoDataKey() {
+               return "display.notimestamps";
+       }
+}