X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=tim%2Fprune%2Fdata%2FDataPoint.java;h=c2446228161401202b4d3cbfba107a56f3cfde70;hp=4de97ef219bb60f05153dc4f3a4cbbdf72a2e672;hb=326f489e36aa7f235bc19409a57bf4955cd50f24;hpb=8c8868ae29b3252f02e094c02307384cf61ba667

diff --git a/tim/prune/data/DataPoint.java b/tim/prune/data/DataPoint.java
index 4de97ef..c244622 100644
--- a/tim/prune/data/DataPoint.java
+++ b/tim/prune/data/DataPoint.java
@@ -138,7 +138,7 @@ public class DataPoint
 	 * @param inIndex index number starting at zero
 	 * @return field value, or null if not found
 	 */
-	public String getFieldValue(int inIndex)
+	private String getFieldValue(int inIndex)
 	{
 		if (_fieldValues == null || inIndex < 0 || inIndex >= _fieldValues.length)
 			return null;
@@ -338,6 +338,46 @@ public class DataPoint
 		return (inOther._waypointName != null && inOther._waypointName.equals(_waypointName));
 	}
 
+	/**
+	 * Add an altitude offset to this point, and keep the point's string value in sync
+	 * @param inOffset offset as double
+	 * @param inUnit unit of offset, feet or metres
+	 * @param inDecimals number of decimal places
+	 */
+	public void addAltitudeOffset(double inOffset, Unit inUnit, int inDecimals)
+	{
+		if (hasAltitude())
+		{
+			_altitude.addOffset(inOffset, inUnit, inDecimals);
+			_fieldValues[_fieldList.getFieldIndex(Field.ALTITUDE)] = _altitude.getStringValue(null);
+			setModified(false);
+		}
+	}
+
+	/**
+	 * Reset the altitude to the previous value (by an undo)
+	 * @param inClone altitude object cloned from earlier
+	 */
+	public void resetAltitude(Altitude inClone)
+	{
+		_altitude.reset(inClone);
+		_fieldValues[_fieldList.getFieldIndex(Field.ALTITUDE)] = _altitude.getStringValue(null);
+		setModified(true);
+	}
+
+	/**
+	 * Add a time offset to this point
+	 * @param inOffset offset to add (-ve to subtract)
+	 */
+	public void addTimeOffset(long inOffset)
+	{
+		if (hasTimestamp())
+		{
+			_timestamp.addOffset(inOffset);
+			_fieldValues[_fieldList.getFieldIndex(Field.TIMESTAMP)] = _timestamp.getText();
+			setModified(false);
+		}
+	}
 
 	/**
 	 * Set the photo for this data point