Version 1, September 2006

[GpsPrune.git] / tim / prune / undo / UndoDeleteRange.java

diff --git a/tim/prune/undo/UndoDeleteRange.java b/tim/prune/undo/UndoDeleteRange.java
new file mode 100644 (file)
index 0000000..6bb0b7d
--- /dev/null
+++ b/tim/prune/undo/UndoDeleteRange.java
@@ -0,0 +1,47 @@
+package tim.prune.undo;\r
+\r
+import tim.prune.I18nManager;\r
+import tim.prune.data.DataPoint;\r
+import tim.prune.data.TrackInfo;\r
+\r
+/**\r
+ * Operation to undo a delete of a range of points\r
+ */\r
+public class UndoDeleteRange implements UndoOperation\r
+{\r
+       private int _startIndex = -1;\r
+       private DataPoint[] _points = null;\r
+\r
+\r
+       /**\r
+        * Constructor\r
+        * @param inIndex index number of point within track\r
+        * @param inPoint data point\r
+        */\r
+       public UndoDeleteRange(TrackInfo inTrackInfo)\r
+       {\r
+               _startIndex = inTrackInfo.getSelection().getStart();\r
+               _points = inTrackInfo.cloneSelectedRange();\r
+       }\r
+\r
+\r
+       /**\r
+        * @return description of operation including range length\r
+        */\r
+       public String getDescription()\r
+       {\r
+               return I18nManager.getText("undo.deleterange")\r
+                       + " (" + _points.length + ")";\r
+       }\r
+\r
+\r
+       /**\r
+        * Perform the undo operation on the given Track\r
+        * @param inTrackInfo TrackInfo object on which to perform the operation\r
+        */\r
+       public void performUndo(TrackInfo inTrackInfo)\r
+       {\r
+               // restore point array into track\r
+               inTrackInfo.getTrack().insertRange(_points, _startIndex);\r
+       }\r
+}
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