Version 2, March 2007

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

diff --git a/tim/prune/undo/UndoEditPoint.java b/tim/prune/undo/UndoEditPoint.java
new file mode 100644 (file)
index 0000000..ae36865
--- /dev/null
+++ b/tim/prune/undo/UndoEditPoint.java
@@ -0,0 +1,56 @@
+package tim.prune.undo;\r
+\r
+import tim.prune.I18nManager;\r
+import tim.prune.data.DataPoint;\r
+import tim.prune.data.TrackInfo;\r
+import tim.prune.edit.FieldEditList;\r
+\r
+/**\r
+ * Operation to undo the edit of a single point\r
+ */\r
+public class UndoEditPoint implements UndoOperation\r
+{\r
+       private DataPoint _originalPoint = null;\r
+       private FieldEditList _undoFieldList = null;\r
+\r
+\r
+       /**\r
+        * Constructor\r
+        * @param inPoint data point\r
+        * @param inUndoFieldList FieldEditList for undo operation\r
+        */\r
+       public UndoEditPoint(DataPoint inPoint, FieldEditList inUndoFieldList)\r
+       {\r
+               _originalPoint = inPoint;\r
+               _undoFieldList = inUndoFieldList;\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.editpoint");\r
+               String pointName = _originalPoint.getWaypointName();\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 contents of point into track\r
+               if (!inTrackInfo.getTrack().editPoint(_originalPoint, _undoFieldList))\r
+               {\r
+                       // throw exception if failed\r
+                       throw new UndoException(getDescription());\r
+               }\r
+               // TODO: Deal with photo if necessary\r
+       }\r
+}
\ No newline at end of file