X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fgui%2Fprofile%2FProfileData.java;fp=src%2Ftim%2Fprune%2Fgui%2Fprofile%2FProfileData.java;h=0716b9332282164f28a8eb99ae43170dd8ec1a65;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/gui/profile/ProfileData.java b/src/tim/prune/gui/profile/ProfileData.java
new file mode 100644
index 0000000..0716b93
--- /dev/null
+++ b/src/tim/prune/gui/profile/ProfileData.java
@@ -0,0 +1,112 @@
+package tim.prune.gui.profile;
+
+import tim.prune.data.Track;
+import tim.prune.data.UnitSet;
+
+/**
+ * Abstract class for all sources of profile data,
+ * including altitudes and speeds
+ */
+public abstract class ProfileData
+{
+	/** Track object */
+	protected final Track _track;
+	/** Unit set to use */
+	protected UnitSet _unitSet = null;
+	/** Flag for availability of any data */
+	protected boolean _hasData = false;
+	/** Array of booleans for data per point */
+	protected boolean[] _pointHasData = null;
+	/** Array of values per point */
+	protected double[] _pointValues = null;
+	/** Minimum value for track */
+	protected double _minValue = 0.0;
+	/** Maximum value for track */
+	protected double _maxValue = 0.0;
+
+	/**
+	 * Constructor giving track object
+	 * @param inTrack track object
+	 */
+	public ProfileData(Track inTrack)
+	{
+		_track = inTrack;
+	}
+
+	/**
+	 * @return true if this source has any data at all
+	 */
+	public boolean hasData() {
+		return _hasData;
+	}
+
+	/**
+	 * @param inPointNum index of point
+	 * @return true if that point has data
+	 */
+	public boolean hasData(int inPointNum)
+	{
+		return (_hasData && _pointHasData != null && inPointNum >= 0
+			&& inPointNum < _pointHasData.length && _pointHasData[inPointNum]);
+	}
+
+	/**
+	 * @param inPointNum index of point
+	 * @return value corresponding to that point
+	 */
+	public double getData(int inPointNum)
+	{
+		if (!hasData(inPointNum)) {return 0.0;}
+		return _pointValues[inPointNum];
+	}
+
+	/**
+	 * @return minimum value
+	 */
+	public double getMinValue() {
+		return _minValue;
+	}
+
+	/**
+	 * @return maximum value
+	 */
+	public double getMaxValue() {
+		return _maxValue;
+	}
+
+	/**
+	 * Get the data from the track and populate the value arrays
+	 */
+	public abstract void init(UnitSet inUnitSet);
+
+	/**
+	 * Set the UnitSet to use for the calculations
+	 * @param inUnitSet unit set
+	 */
+	protected void setUnitSet(UnitSet inUnitSet) {
+		_unitSet = inUnitSet;
+	}
+
+	/**
+	 * @return text for label including units
+	 */
+	public abstract String getLabel();
+
+	/**
+	 * @return key for message when no data available
+	 */
+	public abstract String getNoDataKey();
+
+	/**
+	 * Initialise the data arrays to the correct size
+	 */
+	protected void initArrays()
+	{
+		int numTrackPoints = _track.getNumPoints();
+		if (_pointHasData == null || _pointHasData.length != numTrackPoints)
+		{
+			_pointHasData = new boolean[numTrackPoints];
+			_pointValues = new double[numTrackPoints];
+		}
+	}
+}