Version 1, September 2006

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

diff --git a/tim/prune/undo/UndoDeletePoint.java b/tim/prune/undo/UndoDeletePoint.java
new file mode 100644 (file)
index 0000000..ebc4d89
--- /dev/null
+++ b/tim/prune/undo/UndoDeletePoint.java
@@ -0,0 +1,54 @@
+package tim.prune.undo;\r
+\r
+import tim.prune.I18nManager;\r
+import tim.prune.data.DataPoint;\r
+import tim.prune.data.Field;\r
+import tim.prune.data.TrackInfo;\r
+\r
+/**\r
+ * Operation to undo a delete of a single point\r
+ */\r
+public class UndoDeletePoint implements UndoOperation\r
+{\r
+       private int _pointIndex = -1;\r
+       private DataPoint _point = null;\r
+\r
+\r
+       /**\r
+        * Constructor\r
+        * @param inIndex index number of point within track\r
+        * @param inPoint data point\r
+        */\r
+       public UndoDeletePoint(int inIndex, DataPoint inPoint)\r
+       {\r
+               _pointIndex = inIndex;\r
+               _point = inPoint;\r
+       }\r
+\r
+\r
+       /**\r
+        * @return description of operation including point name if any\r
+        */\r
+       public String getDescription()\r
+       {\r
+               String desc = I18nManager.getText("undo.deletepoint");\r
+               String pointName = _point.getFieldValue(Field.WAYPT_NAME);\r
+               if (pointName != null && !pointName.equals(""))\r
+                       desc = desc + " " + pointName;\r
+               return desc;\r
+       }\r
+\r
+\r
+       /**\r
+        * Perform the undo operation on the given Track\r
+        * @param inTrack Track object on which to perform the operation\r
+        */\r
+       public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
+       {\r
+               // restore point into track\r
+               if (!inTrackInfo.getTrack().insertPoint(_point, _pointIndex))\r
+               {\r
+                       throw new UndoException(getDescription());\r
+               }\r
+       }\r
+}
\ No newline at end of file