Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / data / SourceInfo.java

diff --git a/src/tim/prune/data/SourceInfo.java b/src/tim/prune/data/SourceInfo.java
new file mode 100644 (file)
index 0000000..d71280d
--- /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
+       }
+}