Added check for static maps.

2 files changed, 59 insertions, 3 deletions

diff --git a/main/src/cgeo/geocaching/StaticMapsProvider.java b/main/src/cgeo/geocaching/StaticMapsProvider.java
index 3c4aa60..6384d59 100644
--- a/main/src/cgeo/geocaching/StaticMapsProvider.java
+++ b/main/src/cgeo/geocaching/StaticMapsProvider.java
@@ -162,4 +162,37 @@ public class StaticMapsProvider {
             }
         }
     }
+
+    /**
+     * Check if at least one map file exists for the given geocode.
+     * 
+     * @param geocode
+     * @return <code>true</code> if at least one mapfile exists; <code>false</code> otherwise
+     */
+    public static boolean doesExistStaticMapForCache(String geocode) {
+        for (int level = 1; level <= 5; level++) {
+            File mapFile = StaticMapsProvider.getMapFile(geocode, "", level, false);
+            if (mapFile != null && mapFile.exists()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Checks if at least one map file exists for the given geocode and waypoint ID.
+     *
+     * @param geocode
+     * @param waypointId
+     * @return <code>true</code> if at least one mapfile exists; <code>false</code> otherwise
+     */
+    public static boolean doesExistStaticMapForWaypoint(String geocode, int waypointId) {
+        for (int level = 1; level <= 5; level++) {
+            File mapFile = StaticMapsProvider.getMapFile(geocode, "wp" + waypointId + "_", level, false);
+            if (mapFile != null && mapFile.exists()) {
+                return true;
+            }
+        }
+        return false;
+    }
 }
diff --git a/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java b/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java
index 9ac752f..0ec3a0a 100644
--- a/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java
+++ b/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java
@@ -3,12 +3,16 @@ package cgeo.geocaching.apps.cache.navi;
 import cgeo.geocaching.R;
 import cgeo.geocaching.SearchResult;
 import cgeo.geocaching.Settings;
+import cgeo.geocaching.StaticMapsProvider;
 import cgeo.geocaching.cgCache;
 import cgeo.geocaching.cgGeo;
 import cgeo.geocaching.cgWaypoint;
+import cgeo.geocaching.cgeoapplication;
 import cgeo.geocaching.apps.AbstractAppFactory;
 import cgeo.geocaching.geopoint.Geopoint;
 
+import org.apache.commons.lang3.StringUtils;
+
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
@@ -113,10 +117,13 @@ public final class NavigationAppFactory extends AbstractAppFactory {
         builder.setIcon(android.R.drawable.ic_menu_mapmode);
         final List<NavigationAppsEnum> items = new ArrayList<NavigationAppFactory.NavigationAppsEnum>();
         final int defaultNavigationTool = Settings.getDefaultNavigationTool();
-//        final boolean isOffline = cache != null ? cgeoapplication.getInstance().isOffline(cache.getGeocode(), null) : false;
-        //        (isOffline && NavigationAppsEnum.STATIC_MAP.id == navApp.id) <== must be changed, isn't working for waypoints for example
+        final boolean hasStaticMaps = hasStaticMap(cache, waypoint);
         for (NavigationAppsEnum navApp : getInstalledNavigationApps(activity)) {
-            if ((showInternalMap || !(navApp.app instanceof InternalMap)) &&
+            if (NavigationAppsEnum.STATIC_MAP.id == navApp.id) {
+                if (hasStaticMaps) {
+                    items.add(navApp);
+                }
+            } else if ((showInternalMap || !(navApp.app instanceof InternalMap)) &&
                     (showDefaultNavigation || defaultNavigationTool != navApp.id)) {
                 items.add(navApp);
             }
@@ -150,7 +157,23 @@ public final class NavigationAppFactory extends AbstractAppFactory {
         });
         final AlertDialog alert = builder.create();
         alert.show();
+    }
 
+    private static boolean hasStaticMap(cgCache cache, cgWaypoint waypoint) {
+        if (waypoint != null) {
+            String geocode = waypoint.getGeocode();
+            int id = waypoint.getId();
+            if (StringUtils.isNotEmpty(geocode) && cgeoapplication.getInstance().isOffline(geocode, null)) {
+                return StaticMapsProvider.doesExistStaticMapForWaypoint(geocode, id);
+            }
+        }
+        if (cache != null) {
+            String geocode = cache.getGeocode();
+            if (StringUtils.isNotEmpty(geocode) && cgeoapplication.getInstance().isOffline(geocode, null)) {
+                return StaticMapsProvider.doesExistStaticMapForCache(geocode);
+            }
+        }
+        return false;
     }
 
     /**