--- /dev/null
+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 an insertion (eg average)\r
+ */\r
+public class UndoInsert implements UndoOperation\r
+{\r
+ private int _startPosition = 0;\r
+ private int _numInserted = 0;\r
+ private boolean _hasSegmentFlag = false;\r
+ private boolean _segmentFlag = false;\r
+\r
+\r
+ /**\r
+ * Constructor without segment flag\r
+ * @param inStart start of insert\r
+ * @param inNumInserted number of points inserted\r
+ */\r
+ public UndoInsert(int inStart, int inNumInserted)\r
+ {\r
+ this(inStart, inNumInserted, false, false);\r
+ }\r
+\r
+\r
+ /**\r
+ * Constructor with segment flag\r
+ * @param inStart start of insert\r
+ * @param inNumInserted number of points inserted\r
+ * @param inSegmentFlag segment flag of following point\r
+ */\r
+ public UndoInsert(int inStart, int inNumInserted, boolean inSegmentFlag)\r
+ {\r
+ this(inStart, inNumInserted, true, inSegmentFlag);\r
+ }\r
+\r
+\r
+ /**\r
+ * Constructor\r
+ * @param inStart start of insert\r
+ * @param inNumInserted number of points inserted\r
+ * @param inHasFlag is there a segment flag present\r
+ * @param inFlag segment flag, if any\r
+ */\r
+ public UndoInsert(int inStart, int inNumInserted, boolean inHasFlag, boolean inFlag)\r
+ {\r
+ _startPosition = inStart;\r
+ _numInserted = inNumInserted;\r
+ _hasSegmentFlag = inHasFlag;\r
+ _segmentFlag = inFlag;\r
+ }\r
+\r
+\r
+ /**\r
+ * @return description of operation including parameters\r
+ */\r
+ public String getDescription()\r
+ {\r
+ return I18nManager.getText("undo.insert") + " (" + _numInserted + ")";\r
+ }\r
+\r
+\r
+ /**\r
+ * Perform the undo operation on the given TrackInfo\r
+ * @param inTrackInfo TrackInfo object on which to perform the operation\r
+ */\r
+ public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
+ {\r
+ // restore track to previous values\r
+ inTrackInfo.getTrack().deleteRange(_startPosition, _startPosition + _numInserted - 1);\r
+ if (_hasSegmentFlag) {\r
+ DataPoint nextPoint = inTrackInfo.getTrack().getNextTrackPoint(_startPosition);\r
+ if (nextPoint != null) {nextPoint.setSegmentStart(_segmentFlag);}\r
+ }\r
+ // reset selection\r
+ inTrackInfo.getSelection().clearAll();\r
+ }\r
+}
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