X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fundo%2FUndoDeletePhoto.java;fp=src%2Ftim%2Fprune%2Fundo%2FUndoDeletePhoto.java;h=45be6addcb5040fa2844caad22f0c236ddd6fa91;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/undo/UndoDeletePhoto.java b/src/tim/prune/undo/UndoDeletePhoto.java
new file mode 100644
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--- /dev/null
+++ b/src/tim/prune/undo/UndoDeletePhoto.java
@@ -0,0 +1,75 @@
+package tim.prune.undo;
+
+import tim.prune.I18nManager;
+import tim.prune.UpdateMessageBroker;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Photo;
+import tim.prune.data.TrackInfo;
+
+/**
+ * Operation to undo a delete of a single photo, either with or without point
+ */
+public class UndoDeletePhoto extends UndoDeleteOperation
+{
+	private int _photoIndex = -1;
+	private Photo _photo = null;
+	private int _pointIndex = -1;
+	private DataPoint _point = null;
+
+
+	/**
+	 * Constructor
+	 * @param inPhoto photo
+	 * @param inPhotoIndex index number of photo within photo list
+	 * @param inPoint data point
+	 * @param inPointIndex index number of point within track
+	 */
+	public UndoDeletePhoto(Photo inPhoto, int inPhotoIndex, DataPoint inPoint, int inPointIndex)
+	{
+		_photo = inPhoto;
+		_photoIndex = inPhotoIndex;
+		_point = inPoint;
+		_pointIndex = inPointIndex;
+	}
+
+
+	/**
+	 * @return description of operation including photo name
+	 */
+	public String getDescription()
+	{
+		String desc = I18nManager.getText("undo.removephoto") + " " + _photo.getName();
+		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 photo
+		inTrackInfo.getPhotoList().addPhoto(_photo, _photoIndex);
+		// if there's a point to restore, restore it
+		if (_point != null)
+		{
+			if (!inTrackInfo.getTrack().insertPoint(_point, _pointIndex))
+			{
+				throw new UndoException(getDescription());
+			}
+			// Change the current point/range selection if required
+			modifySelection(inTrackInfo, _pointIndex, _pointIndex);
+		}
+		else
+		{
+			// update needed if not already triggered by track update
+			UpdateMessageBroker.informSubscribers();
+		}
+		// Ensure that photo is associated with point and vice versa
+		_photo.setDataPoint(_point);
+		if (_point != null) {
+			_point.setPhoto(_photo);
+		}
+	}
+}