X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fdata%2FTrackInfo.java;fp=tim%2Fprune%2Fdata%2FTrackInfo.java;h=71363dae1053ed3e89dba907a8dea89adfada90f;hb=312fec956e43f5d0a38617da5d0add9c62563e2c;hp=0000000000000000000000000000000000000000;hpb=db1c1602b89209f4c92e8bd12ad38cd243fb27c7;p=GpsPrune.git

diff --git a/tim/prune/data/TrackInfo.java b/tim/prune/data/TrackInfo.java
new file mode 100644
index 0000000..71363da
--- /dev/null
+++ b/tim/prune/data/TrackInfo.java
@@ -0,0 +1,162 @@
+package tim.prune.data;
+
+import tim.prune.UpdateMessageBroker;
+
+/**
+ * Class to hold all track information, including data
+ * and the selection information
+ */
+public class TrackInfo
+{
+	private UpdateMessageBroker _broker = null;
+	private Track _track = null;
+	private Selection _selection = null;
+	private FileInfo _fileInfo = null;
+
+	/**
+	 * Constructor
+	 * @param inTrack Track object
+	 * @param inBroker broker object
+	 */
+	public TrackInfo(Track inTrack, UpdateMessageBroker inBroker)
+	{
+		_broker = inBroker;
+		_track = inTrack;
+		_selection = new Selection(_track, inBroker);
+		_fileInfo = new FileInfo();
+	}
+
+
+	/**
+	 * @return the Track object
+	 */
+	public Track getTrack()
+	{
+		return _track;
+	}
+
+
+	/**
+	 * @return the Selection object
+	 */
+	public Selection getSelection()
+	{
+		return _selection;
+	}
+
+
+	/**
+	 * @return the FileInfo object
+	 */
+	public FileInfo getFileInfo()
+	{
+		return _fileInfo;
+	}
+
+	/**
+	 * Get the currently selected point, if any
+	 * @return DataPoint if single point selected, otherwise null
+	 */
+	public DataPoint getCurrentPoint()
+	{
+		return _track.getPoint(_selection.getCurrentPointIndex());
+	}
+
+
+	/**
+	 * Load the specified data into the Track
+	 * @param inFieldArray array of Field objects describing fields
+	 * @param inPointArray 2d object array containing data
+	 * @param inAltFormat altitude format
+	 */
+	public void loadTrack(Field[] inFieldArray, Object[][] inPointArray, int inAltFormat)
+	{
+		_track.cropTo(0);
+		_track.load(inFieldArray, inPointArray, inAltFormat);
+		_selection.clearAll();
+	}
+
+
+	/**
+	 * Delete the currently selected range of points
+	 * @return true if successful
+	 */
+	public boolean deleteRange()
+	{
+		int currPoint = _selection.getCurrentPointIndex();
+		int startSel = _selection.getStart();
+		int endSel = _selection.getEnd();
+		boolean answer = _track.deleteRange(startSel, endSel);
+		// clear range selection
+		_selection.modifyRangeDeleted();
+		return answer;
+	}
+
+
+	/**
+	 * Delete the currently selected point
+	 * @return true if point deleted
+	 */
+	public boolean deletePoint()
+	{
+		if (_track.deletePoint(_selection.getCurrentPointIndex()))
+		{
+			_selection.modifyPointDeleted();
+			_broker.informSubscribers();
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * Compress the track to the given resolution
+	 * @param inResolution resolution
+	 * @return number of points deleted
+	 */
+	public int compress(int inResolution)
+	{
+		int numDeleted = _track.compress(inResolution);
+		if (numDeleted > 0)
+			_selection.clearAll();
+		return numDeleted;
+	}
+
+
+	/**
+	 * Delete all the duplicate points in the track
+	 * @return number of points deleted
+	 */
+	public int deleteDuplicates()
+	{
+		int numDeleted = _track.deleteDuplicates();
+		if (numDeleted > 0)
+			_selection.clearAll();
+		return numDeleted;
+	}
+
+
+	/**
+	 * Clone the selected range of data points
+	 * @return shallow copy of DataPoint objects
+	 */
+	public DataPoint[] cloneSelectedRange()
+	{
+		return _track.cloneRange(_selection.getStart(), _selection.getEnd());
+	}
+
+
+	/**
+	 * Interpolate extra points between two selected ones
+	 * @param inStartIndex start index of interpolation
+	 * @param inNumPoints num points to insert
+	 * @return true if successful
+	 */
+	public boolean interpolate(int inNumPoints)
+	{
+		boolean success = _track.interpolate(_selection.getStart(), inNumPoints);
+		if (success)
+			_selection.selectRangeEnd(_selection.getEnd() + inNumPoints);
+		return success;
+	}
+}