X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fdata%2FSourceInfo.java;fp=src%2Ftim%2Fprune%2Fdata%2FSourceInfo.java;h=d71280db8a5e45c28d594b0306b3b82c10797b16;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/data/SourceInfo.java b/src/tim/prune/data/SourceInfo.java
new file mode 100644
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--- /dev/null
+++ b/src/tim/prune/data/SourceInfo.java
@@ -0,0 +1,154 @@
+package tim.prune.data;
+
+import java.io.File;
+
+/**
+ * Class to hold the source of the point data, including the original file
+ * and file type, and references to each of the point objects
+ */
+public class SourceInfo
+{
+	/** File type of source file */
+	public enum FILE_TYPE {TEXT, GPX, KML, NMEA, GPSBABEL, GPSIES, JSON};
+
+	/** Source file */
+	private File _sourceFile = null;
+	/** Name of source */
+	private String _sourceName = null;
+	/** File type */
+	private FILE_TYPE _fileType = null;
+	/** File title, if any */
+	private String _fileTitle = null;
+
+	/** Array of datapoints */
+	private DataPoint[] _points = null;
+	/** Number of points */
+	private int _numPoints = 0;
+	/** Array of point indices (if necessary) */
+	private int[] _pointIndices = null;
+
+
+	/**
+	 * Constructor
+	 * @param inFile source file
+	 * @param inType type of file
+	 */
+	public SourceInfo(File inFile, FILE_TYPE inType)
+	{
+		_sourceFile = inFile;
+		_sourceName = inFile.getName();
+		_fileType = inType;
+	}
+
+	/**
+	 * Constructor
+	 * @param inName name of source (without file)
+	 * @param inType type of file
+	 */
+	public SourceInfo(String inName, FILE_TYPE inType)
+	{
+		_sourceFile = null;
+		_sourceName = inName;
+		_fileType = inType;
+	}
+
+	/**
+	 * @param inTitle title of file, eg from <name> tag in gpx
+	 */
+	public void setFileTitle(String inTitle)
+	{
+		_fileTitle = inTitle;
+	}
+
+	/**
+	 * @return source file
+	 */
+	public File getFile()
+	{
+		return _sourceFile;
+	}
+
+	/**
+	 * @return source name
+	 */
+	public String getName()
+	{
+		return _sourceName;
+	}
+
+	/**
+	 * @return file type of source
+	 */
+	public FILE_TYPE getFileType()
+	{
+		return _fileType;
+	}
+
+	/**
+	 * @return title of file
+	 */
+	public String getFileTitle()
+	{
+		return _fileTitle;
+	}
+
+	/**
+	 * @return number of points from this source
+	 */
+	public int getNumPoints()
+	{
+		return _numPoints;
+	}
+
+	/**
+	 * Set the indices of the points selected out of a loaded track
+	 * @param inSelectedFlags array of booleans showing whether each point in the original data was loaded or not
+	 */
+	public void setPointIndices(boolean[] inSelectedFlags)
+	{
+		_numPoints = inSelectedFlags.length;
+		_pointIndices = new int[_numPoints];
+		int p=0;
+		for (int i=0; i<_numPoints; i++) {
+			if (inSelectedFlags[i]) {_pointIndices[p++] = i;}
+		}
+		// Now the point indices array holds the index of each of the selected points
+	}
+
+	/**
+	 * Take the points from the given track and store
+	 * @param inTrack track object containing points
+	 * @param inNumPoints number of points loaded
+	 */
+	public void populatePointObjects(Track inTrack, int inNumPoints)
+	{
+		if (_numPoints == 0) {_numPoints = inNumPoints;}
+		if (inNumPoints > 0)
+		{
+			_points = new DataPoint[inNumPoints];
+			int trackLen = inTrack.getNumPoints();
+			System.arraycopy(inTrack.cloneContents(), trackLen-inNumPoints, _points, 0, inNumPoints);
+			// Note data copied twice here but still more efficient than looping
+		}
+	}
+
+	/**
+	 * Look for the given point in the array
+	 * @param inPoint point to look for
+	 * @return index, or -1 if not found
+	 */
+	public int getIndex(DataPoint inPoint)
+	{
+		int idx = -1;
+		for (int i=0; i<_points.length; i++)
+		{
+			if (_points[i] == inPoint) {
+				idx = i;
+				break;
+			}
+		}
+		if (idx == -1) {return idx;}             // point not found
+		if (_pointIndices == null) {return idx;} // All points loaded
+		return _pointIndices[idx]; // use point index mapping
+	}
+}