X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fautoplay%2FPointInfo.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fautoplay%2FPointInfo.java;h=1b04995bd38dcd9feabd010fd19ef42ad1f6cf81;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/autoplay/PointInfo.java b/src/tim/prune/function/autoplay/PointInfo.java
new file mode 100644
index 0000000..1b04995
--- /dev/null
+++ b/src/tim/prune/function/autoplay/PointInfo.java
@@ -0,0 +1,98 @@
+package tim.prune.function.autoplay;
+
+import tim.prune.data.DataPoint;
+import tim.prune.data.Timestamp;
+
+/**
+ * Holds the information about a single point required for the sorting
+ */
+public class PointInfo implements Comparable<PointInfo>
+{
+	/** Timestamp of the point, if any */
+	private Timestamp _timestamp  = null;
+	/** Point index in the track */
+	private int       _pointIndex = 0;
+	/** Segment flag of point */
+	private boolean   _segmentFlag = false;
+
+
+	/**
+	 * Constructor
+	 * @param inPoint point from track
+	 * @param inIndex index of point in track
+	 */
+	public PointInfo(DataPoint inPoint, int inIndex)
+	{
+		if (inPoint.hasTimestamp())
+		{
+			_timestamp = inPoint.getTimestamp();
+		}
+		else if (inPoint.getPhoto() != null && inPoint.getPhoto().hasTimestamp())
+		{
+			_timestamp = inPoint.getPhoto().getTimestamp();
+		}
+		_pointIndex = inIndex;
+		_segmentFlag = inPoint.getSegmentStart();
+	}
+
+	/** @return timestamp */
+	public Timestamp getTimestamp() {
+		return _timestamp;
+	}
+
+	/** @return point index */
+	public int getIndex() {
+		return _pointIndex;
+	}
+
+	/** @return segment flag */
+	public boolean getSegmentFlag() {
+		return _segmentFlag;
+	}
+
+	/**
+	 * Sort two objects by timestamp and if times equal then by point index
+	 */
+	public int compareTo(PointInfo inOther)
+	{
+		long timeDiff = 0;
+		final boolean thisHasTime = (_timestamp != null);
+		final boolean otherHasTime = (inOther._timestamp != null);
+		if (thisHasTime && otherHasTime)
+		{
+			timeDiff = _timestamp.getMillisecondsSince(inOther._timestamp);
+		}
+		else if (thisHasTime)
+		{
+			timeDiff = -1; // points without time to the end
+		}
+		else if (otherHasTime)
+		{
+			timeDiff = 1;
+		}
+		// If the times are equal (or both missing) then use the point index
+		if (timeDiff == 0) {
+			return _pointIndex - inOther._pointIndex;
+		}
+		// Otherwise, compare by time
+		return (timeDiff < 0 ? -1 : 1);
+	}
+
+	@Override
+	public boolean equals(Object inOther)
+	{
+		if (inOther == null) return false;
+		try
+		{
+			PointInfo other = (PointInfo) inOther;
+			if (_pointIndex != other._pointIndex) return false;
+			final boolean thisHasTime = (_timestamp != null);
+			final boolean otherHasTime = (other._timestamp != null);
+			if (thisHasTime != otherHasTime) {return false;}
+			if (!thisHasTime && !otherHasTime) {return true;}
+			return _timestamp.isEqual(other._timestamp);
+		}
+		catch (ClassCastException cce) {}
+		return false;
+	}
+}