Version 19.1, August 2018

[GpsPrune.git] / tim / prune / function / GetWikipediaFunction.java

diff --git a/tim/prune/function/GetWikipediaFunction.java b/tim/prune/function/GetWikipediaFunction.java
index 3ffdd06817d87fe984b6063c7e7a63aa3e1ab4d9..aa326c2a00a0ea3f116575f892da6adb433519e5 100644 (file)
--- a/tim/prune/function/GetWikipediaFunction.java
+++ b/tim/prune/function/GetWikipediaFunction.java
@@ -1,6 +1,8 @@
 package tim.prune.function;
 
+import java.io.BufferedReader;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.net.URL;
 import java.util.ArrayList;
 
@@ -10,14 +12,16 @@ import javax.xml.parsers.SAXParserFactory;
 import tim.prune.App;
 import tim.prune.I18nManager;
 import tim.prune.data.DataPoint;
+import tim.prune.data.Distance;
 import tim.prune.data.Field;
 import tim.prune.data.Latitude;
 import tim.prune.data.Longitude;
-import tim.prune.function.gpsies.GenericDownloaderFunction;
-import tim.prune.function.gpsies.GpsiesTrack;
+import tim.prune.data.UnitSetLibrary;
+import tim.prune.function.search.GenericDownloaderFunction;
+import tim.prune.function.search.SearchResult;
 
 /**
- * Function to load nearby point information from Wikipedia
+ * Function to load nearby point information from Wikipedia (and Wikimedia)
  * according to the currently viewed area
  */
 public class GetWikipediaFunction extends GenericDownloaderFunction
@@ -57,7 +61,7 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
 
 
        /**
-        * Run method to call geonames in separate thread
+        * Run method to get the nearby points in a separate thread
         */
        public void run()
        {
@@ -77,7 +81,10 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                        lon = point.getLongitude().getDouble();
                }
 
-               // Firstly try the local language
+               // Before we ask geonames online, let's get wikimedia galleries first
+               searchWikimediaGalleries(lat, lon);
+
+               // For geonames, firstly try the local language
                String lang = I18nManager.getText("wikipedia.lang");
                submitSearch(lat, lon, lang);
                // If we didn't get anything, try a secondary language
@@ -128,8 +135,8 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                        inStream.close();
                } catch (Exception e) {}
                // Add track list to model
-               ArrayList<GpsiesTrack> trackList = xmlHandler.getTrackList();
-               _trackListModel.addTracks(trackList);
+               ArrayList<SearchResult> trackList = xmlHandler.getTrackList();
+               _trackListModel.addTracks(trackList, true);
 
                // Show error message if any
                if (_trackListModel.isEmpty())
@@ -157,11 +164,11 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                        int rowNum = rowNums[i];
                        if (rowNum >= 0 && rowNum < _trackListModel.getRowCount())
                        {
-                               String coords = _trackListModel.getTrack(rowNum).getDownloadLink();
-                               String[] latlon = coords.split(",");
-                               if (latlon.length == 2)
+                               String lat = _trackListModel.getTrack(rowNum).getLatitude();
+                               String lon = _trackListModel.getTrack(rowNum).getLongitude();
+                               if (lat != null && lon != null)
                                {
-                                       DataPoint point = new DataPoint(new Latitude(latlon[0]), new Longitude(latlon[1]), 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);
                                }
@@ -171,4 +178,59 @@ public class GetWikipediaFunction extends GenericDownloaderFunction
                _cancelled = true;
                _dialog.dispose();
        }
+
+       /**
+        * Search the local wikimedia index to see if there are any galleries nearby
+        * @param inLat latitude
+        * @param inLon longitude
+        */
+       private void searchWikimediaGalleries(double inLat, double inLon)
+       {
+               BufferedReader reader = null;
+               try
+               {
+                       InputStream in = GetWikipediaFunction.class.getResourceAsStream("/tim/prune/function/search/wikimedia_galleries.txt");
+                       reader = new BufferedReader(new InputStreamReader(in));
+
+                       ArrayList<SearchResult> trackList = new ArrayList<SearchResult>();
+                       DataPoint herePoint = new DataPoint(new Latitude(inLat, Latitude.FORMAT_DEG), new Longitude(inLon, Longitude.FORMAT_DEG), null);
+                       // Loop through the file line by line, looking for nearby points
+                       String line = null;
+                       while ((line = reader.readLine()) != null)
+                       {
+                               String[] lineComps = line.split("\t");
+                               if (lineComps.length == 4)
+                               {
+                                       DataPoint p = new DataPoint(new Latitude(lineComps[2]), new Longitude(lineComps[3]), null);
+                                       double distFromHere = Distance.convertRadiansToDistance(
+                                               DataPoint.calculateRadiansBetween(p, herePoint), UnitSetLibrary.UNITS_KILOMETRES);
+                                       if (distFromHere < MAX_DISTANCE)
+                                       {
+                                               SearchResult gallery = new SearchResult();
+                                               gallery.setTrackName(I18nManager.getText("dialog.wikipedia.gallery") + ": " + lineComps[0]);
+                                               gallery.setDescription(lineComps[1]);
+                                               gallery.setLatitude(lineComps[2]);
+                                               gallery.setLongitude(lineComps[3]);
+                                               gallery.setWebUrl("https://commons.wikimedia.org/wiki/" + lineComps[0]);
+                                               gallery.setLength(distFromHere * 1000.0); // convert from km to m
+                                               trackList.add(gallery);
+                                       }
+                               }
+                       }
+                       _trackListModel.addTracks(trackList, true);
+               }
+               catch (java.io.IOException e) {
+                       System.err.println("Exception trying to read wikimedia file : " + e.getMessage());
+               }
+               catch (NullPointerException e) {
+                       System.err.println("Couldn't find wikimedia file : " + e.getMessage());
+               }
+               finally
+               {
+                       try {
+                               reader.close();
+                       }
+                       catch (Exception e) {} // ignore
+               }
+       }
 }