X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fgui%2Fprofile%2FArbitraryData.java;fp=src%2Ftim%2Fprune%2Fgui%2Fprofile%2FArbitraryData.java;h=cf974a5262e692bc0ee06e01fca3a4ce19e29c9f;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/gui/profile/ArbitraryData.java b/src/tim/prune/gui/profile/ArbitraryData.java
new file mode 100644
index 0000000..cf974a5
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+++ b/src/tim/prune/gui/profile/ArbitraryData.java
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+package tim.prune.gui.profile;
+
+import tim.prune.data.Field;
+import tim.prune.data.Track;
+import tim.prune.data.UnitSet;
+
+/**
+ * Class to provide a source of values for the profile chart
+ * using any arbitary (non-built-in) field, units unknown
+ */
+public class ArbitraryData extends ProfileData
+{
+	/** Field to use */
+	private Field _field = null;
+
+	/**
+	 * Constructor
+	 * @param inTrack track object
+	 * @param inField field to use
+	 */
+	public ArbitraryData(Track inTrack, Field inField)
+	{
+		super(inTrack);
+		_field = inField;
+	}
+
+	/**
+	 * Get the data and populate the instance arrays
+	 */
+	public void init(UnitSet inUnitSet)
+	{
+		setUnitSet(inUnitSet);
+		initArrays();
+		_hasData = false;
+		_minValue = _maxValue = 0.0;
+		if (_track != null)
+		{
+			for (int i=0; i<_track.getNumPoints(); i++)
+			{
+				// Get the value of the given field
+				boolean hasValue = false;
+				String value = _track.getPoint(i).getFieldValue(_field);
+				try
+				{
+					double dValue = Double.parseDouble(value);
+					_pointValues[i] = dValue;
+					if (dValue < _minValue || _minValue == 0.0) {_minValue = dValue;}
+					if (dValue > _maxValue) {_maxValue = dValue;}
+					hasValue = true;
+					_hasData = true;
+				}
+				catch (Exception e) {} // ignore nulls and non-numbers
+				_pointHasData[i] = hasValue;
+			}
+		}
+	}
+
+	/**
+	 * @return name of field
+	 */
+	public String getLabel()
+	{
+		return _field.getName();
+	}
+
+	/**
+	 * @return the field object
+	 */
+	public Field getField() {
+		return _field;
+	}
+
+	/**
+	 * @return key for message when no values present
+	 */
+	public String getNoDataKey() {
+		return "display.novalues";
+	}
+}