X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fundo%2FUndoDeletePoint.java;fp=src%2Ftim%2Fprune%2Fundo%2FUndoDeletePoint.java;h=beddfbf32588eec6a16a0657c6935f5878740ce4;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/undo/UndoDeletePoint.java b/src/tim/prune/undo/UndoDeletePoint.java
new file mode 100644
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+++ b/src/tim/prune/undo/UndoDeletePoint.java
@@ -0,0 +1,95 @@
+package tim.prune.undo;
+
+import tim.prune.I18nManager;
+import tim.prune.data.DataPoint;
+import tim.prune.data.TrackInfo;
+
+/**
+ * Operation to undo a delete of a single point
+ */
+public class UndoDeletePoint extends UndoDeleteOperation
+{
+	private int _pointIndex = -1;
+	private DataPoint _point = null;
+	private int _photoIndex = -1;
+	private int _audioIndex = -1;
+	private boolean _segmentStart = false;
+
+
+	/**
+	 * Constructor
+	 * @param inPointIndex index number of point within track
+	 * @param inPoint data point
+	 * @param inPhotoIndex index number of photo within photo list
+	 * @param inAudioIndex index number of audio within audio list
+	 * @param inSegmentStart true if following track point starts new segment
+	 */
+	public UndoDeletePoint(int inPointIndex, DataPoint inPoint, int inPhotoIndex, int inAudioIndex,
+		boolean inSegmentStart)
+	{
+		_pointIndex = inPointIndex;
+		_point = inPoint;
+		_photoIndex = inPhotoIndex;
+		_audioIndex = inAudioIndex;
+		_segmentStart = inSegmentStart;
+	}
+
+
+	/**
+	 * @return description of operation including point name if any
+	 */
+	public String getDescription()
+	{
+		String desc = I18nManager.getText("undo.deletepoint");
+		String pointName = _point.getWaypointName();
+		if (pointName != null && !pointName.equals(""))
+			desc = desc + " " + pointName;
+		return desc;
+	}
+
+
+	/**
+	 * Perform the undo operation on the given Track
+	 * @param inTrackInfo TrackInfo object on which to perform the operation
+	 */
+	public void performUndo(TrackInfo inTrackInfo) throws UndoException
+	{
+		// restore point into track
+		if (!inTrackInfo.getTrack().insertPoint(_point, _pointIndex))
+		{
+			throw new UndoException(getDescription());
+		}
+		// Re-attach / Re-insert photo into list if necessary
+		if (_point.getPhoto() != null && _photoIndex > -1)
+		{
+			// Check if photo is still in list
+			if (!inTrackInfo.getPhotoList().contains(_point.getPhoto()))
+			{
+				// photo has been removed - need to reinsert
+				inTrackInfo.getPhotoList().addPhoto(_point.getPhoto(), _photoIndex);
+			}
+			// Ensure that photo is associated with point
+			if (_point.getPhoto().getDataPoint() != _point) {
+				_point.getPhoto().setDataPoint(_point);
+			}
+		}
+		// Re-add audio as well if necessary
+		if (_point.getAudio() != null && _audioIndex > -1)
+		{
+			// add audio object to list
+			inTrackInfo.getAudioList().addAudio(_point.getAudio(), _audioIndex);
+			_point.getAudio().setDataPoint(_point);
+		}
+		// Restore previous status of following track point if necessary
+		if (!_segmentStart)
+		{
+			// Deletion of point can only set following point to true, so only need to set it back to false
+			DataPoint nextTrackPoint = inTrackInfo.getTrack().getNextTrackPoint(_pointIndex + 1);
+			if (nextTrackPoint != null) {
+				nextTrackPoint.setSegmentStart(false);
+			}
+		}
+		// If there's a current point or range selected, maybe need to adjust start and/or end
+		modifySelection(inTrackInfo, _pointIndex, _pointIndex);
+	}
+}