X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=tim%2Fprune%2Ffunction%2FSearchOpenCachingDeFunction.java;fp=tim%2Fprune%2Ffunction%2FSearchOpenCachingDeFunction.java;h=20e2fc81d4de00698f7265c4651212bf71ff740d;hp=0000000000000000000000000000000000000000;hb=0a2480df5845e2d7190dfdec9b2653b1609e853d;hpb=2154b1969ac2995cca46546f217f53c066b0b749

diff --git a/tim/prune/function/SearchOpenCachingDeFunction.java b/tim/prune/function/SearchOpenCachingDeFunction.java
new file mode 100644
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+++ b/tim/prune/function/SearchOpenCachingDeFunction.java
@@ -0,0 +1,152 @@
+package tim.prune.function;
+
+import java.io.InputStream;
+import java.net.URL;
+import java.util.ArrayList;
+
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Field;
+import tim.prune.data.Latitude;
+import tim.prune.data.Longitude;
+import tim.prune.function.search.GenericDownloaderFunction;
+import tim.prune.function.search.SearchResult;
+
+/**
+ * Function to load information about geocaches nearby to the current point
+ * using the service at opencaching.de
+ */
+public class SearchOpenCachingDeFunction extends GenericDownloaderFunction
+{
+	/** Maximum distance from point in km */
+	private static final int MAX_DISTANCE = 50;
+
+
+	/**
+	 * Constructor
+	 * @param inApp App object
+	 */
+	public SearchOpenCachingDeFunction(App inApp) {
+		super(inApp);
+	}
+
+	/**
+	 * @return name key
+	 */
+	public String getNameKey() {
+		return "function.searchopencachingde";
+	}
+
+	/**
+	 * @param inColNum index of column, 0 or 1
+	 * @return key for this column
+	 */
+	protected String getColumnKey(int inColNum)
+	{
+		if (inColNum == 0) return "dialog.wikipedia.column.name";
+		return "dialog.wikipedia.column.distance";
+	}
+
+
+	/**
+	 * Run method to call service in a separate thread
+	 */
+	public void run()
+	{
+		_statusLabel.setText(I18nManager.getText("confirm.running"));
+		// Get coordinates from current point
+		DataPoint point = _app.getTrackInfo().getCurrentPoint();
+		if (point == null)
+		{
+			return;
+		}
+
+		final double lat = point.getLatitude().getDouble();
+		final double lon = point.getLongitude().getDouble();
+		submitSearch(lat, lon);
+
+		// Set status label according to error or "none found", leave blank if ok
+		if (_errorMessage == null && _trackListModel.isEmpty()) {
+			_errorMessage = I18nManager.getText("dialog.geocaching.nonefound");
+		}
+		_statusLabel.setText(_errorMessage == null ? "" : _errorMessage);
+	}
+
+	/**
+	 * Submit the search for the given parameters
+	 * @param inLat latitude
+	 * @param inLon longitude
+	 */
+	private void submitSearch(double inLat, double inLon)
+	{
+		// The only parameters are lat and long from the current point
+		String urlString = "http://opencaching.de/search.php?searchto=searchbydistance&showresult=1"
+			+ "&output=XML&sort=bydistance&lat=" + inLat
+			+ "&lon=" + inLon + "&distance=" + MAX_DISTANCE + "&unit=km";
+		// Parse the returned XML with a special handler
+		OpenCachingDeXmlHandler xmlHandler = new OpenCachingDeXmlHandler();
+		InputStream inStream = null;
+
+		try
+		{
+			URL url = new URL(urlString);
+			SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
+			inStream = url.openStream();
+			saxParser.parse(inStream, xmlHandler);
+		}
+		catch (Exception e) {
+			_errorMessage = e.getClass().getName() + " - " + e.getMessage();
+		}
+		// Close stream and ignore errors
+		try {
+			inStream.close();
+		} catch (Exception e) {}
+		// Add track list to model
+		ArrayList<SearchResult> trackList = xmlHandler.getTrackList();
+		_trackListModel.addTracks(trackList);
+
+		// Show error message if any
+		if (_trackListModel.isEmpty())
+		{
+			String error = xmlHandler.getErrorMessage();
+			if (error != null && !error.equals(""))
+			{
+				_app.showErrorMessageNoLookup(getNameKey(), error);
+				_errorMessage = error;
+			}
+		}
+	}
+
+	/**
+	 * Load the selected point(s)
+	 */
+	protected void loadSelected()
+	{
+		// Find the rows selected in the table and get the corresponding coords
+		int numSelected = _trackTable.getSelectedRowCount();
+		if (numSelected < 1) return;
+		int[] rowNums = _trackTable.getSelectedRows();
+		for (int i=0; i<numSelected; i++)
+		{
+			int rowNum = rowNums[i];
+			if (rowNum >= 0 && rowNum < _trackListModel.getRowCount())
+			{
+				String lat = _trackListModel.getTrack(rowNum).getLatitude();
+				String lon = _trackListModel.getTrack(rowNum).getLongitude();
+				if (lat != null && lon != null)
+				{
+					DataPoint point = new DataPoint(new Latitude(lat), new Longitude(lon), null);
+					point.setFieldValue(Field.WAYPT_NAME, _trackListModel.getTrack(rowNum).getTrackName(), false);
+					_app.createPoint(point);
+				}
+			}
+		}
+		// Close the dialog
+		_cancelled = true;
+		_dialog.dispose();
+	}
+}