X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fundo%2FUndoInsert.java;fp=src%2Ftim%2Fprune%2Fundo%2FUndoInsert.java;h=f23892126824a01849c83be9fb4adf8ab40fa117;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/undo/UndoInsert.java b/src/tim/prune/undo/UndoInsert.java
new file mode 100644
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--- /dev/null
+++ b/src/tim/prune/undo/UndoInsert.java
@@ -0,0 +1,81 @@
+package tim.prune.undo;
+
+import tim.prune.I18nManager;
+import tim.prune.data.DataPoint;
+import tim.prune.data.TrackInfo;
+
+/**
+ * Operation to undo an insertion (eg average)
+ */
+public class UndoInsert implements UndoOperation
+{
+	private int _startPosition = 0;
+	private int _numInserted = 0;
+	private boolean _hasSegmentFlag = false;
+	private boolean _segmentFlag = false;
+
+
+	/**
+	 * Constructor without segment flag
+	 * @param inStart start of insert
+	 * @param inNumInserted number of points inserted
+	 */
+	public UndoInsert(int inStart, int inNumInserted)
+	{
+		this(inStart, inNumInserted, false, false);
+	}
+
+
+	/**
+	 * Constructor with segment flag
+	 * @param inStart start of insert
+	 * @param inNumInserted number of points inserted
+	 * @param inSegmentFlag segment flag of following point
+	 */
+	public UndoInsert(int inStart, int inNumInserted, boolean inSegmentFlag)
+	{
+		this(inStart, inNumInserted, true, inSegmentFlag);
+	}
+
+
+	/**
+	 * Constructor
+	 * @param inStart start of insert
+	 * @param inNumInserted number of points inserted
+	 * @param inHasFlag is there a segment flag present
+	 * @param inFlag segment flag, if any
+	 */
+	public UndoInsert(int inStart, int inNumInserted, boolean inHasFlag, boolean inFlag)
+	{
+		_startPosition = inStart;
+		_numInserted = inNumInserted;
+		_hasSegmentFlag = inHasFlag;
+		_segmentFlag = inFlag;
+	}
+
+
+	/**
+	 * @return description of operation including parameters
+	 */
+	public String getDescription()
+	{
+		return I18nManager.getText("undo.insert") + " (" + _numInserted + ")";
+	}
+
+
+	/**
+	 * Perform the undo operation on the given TrackInfo
+	 * @param inTrackInfo TrackInfo object on which to perform the operation
+	 */
+	public void performUndo(TrackInfo inTrackInfo) throws UndoException
+	{
+		// restore track to previous values
+		inTrackInfo.getTrack().deleteRange(_startPosition, _startPosition + _numInserted - 1);
+		if (_hasSegmentFlag) {
+			DataPoint nextPoint = inTrackInfo.getTrack().getNextTrackPoint(_startPosition);
+			if (nextPoint != null) {nextPoint.setSegmentStart(_segmentFlag);}
+		}
+		// reset selection
+		inTrackInfo.getSelection().clearAll();
+	}
+}
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