1 files changed, 85 insertions, 0 deletions
diff --git a/main/src/cgeo/geocaching/apps/cache/navi/NavigationSelectionActionProvider.java b/main/src/cgeo/geocaching/apps/cache/navi/NavigationSelectionActionProvider.java
new file mode 100644
index 0000000..9abc581
--- /dev/null
+++ b/main/src/cgeo/geocaching/apps/cache/navi/NavigationSelectionActionProvider.java
@@ -0,0 +1,85 @@
+package cgeo.geocaching.apps.cache.navi;
+
+import cgeo.geocaching.Geocache;
+import cgeo.geocaching.apps.App;
+import cgeo.geocaching.apps.cache.navi.NavigationAppFactory.NavigationAppsEnum;
+
+import android.app.Activity;
+import android.content.Context;
+import android.support.v4.view.ActionProvider;
+import android.support.v4.view.MenuItemCompat;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.SubMenu;
+import android.view.View;
+
+import java.util.List;
+
+public class NavigationSelectionActionProvider extends ActionProvider {
+
+    private Geocache geocache;
+    private final Activity activity;
+
+    public NavigationSelectionActionProvider(final Context context) {
+        super(context);
+        activity = (Activity) context;
+    }
+
+    @Override
+    public boolean hasSubMenu() {
+        return true;
+    }
+
+    @Override
+    public View onCreateActionView() {
+        // must return null, otherwise the menu will not work
+        return null;
+    }
+
+    public void setTarget(final Geocache cache) {
+        geocache = cache;
+    }
+
+    @Override
+    public void onPrepareSubMenu(final SubMenu subMenu) {
+        subMenu.clear();
+        if (geocache == null) {
+            return;
+        }
+        for (final NavigationAppsEnum app : NavigationAppFactory.getInstalledNavigationApps()) {
+            if (app.app.isEnabled(geocache)) {
+                subMenu.add(Menu.NONE, app.id, Menu.NONE, app.app.getName()).setOnMenuItemClickListener(new OnMenuItemClickListener() {
+
+                    @Override
+                    public boolean onMenuItemClick(final MenuItem item) {
+                        final CacheNavigationApp app = (CacheNavigationApp) getNavigationAppForId(item.getItemId());
+                        app.navigate(activity, geocache);
+                        return true;
+                    }
+                });
+            }
+        }
+    }
+
+    private static App getNavigationAppForId(final int navigationAppId) {
+        final List<NavigationAppsEnum> installedNavigationApps = NavigationAppFactory.getInstalledNavigationApps();
+
+        for (final NavigationAppsEnum navigationApp : installedNavigationApps) {
+            if (navigationApp.id == navigationAppId) {
+                return navigationApp.app;
+            }
+        }
+        // default navigation tool wasn't set already or couldn't be found (not installed any more for example)
+        return NavigationAppsEnum.COMPASS.app;
+    }
+
+    public static void initialize(final MenuItem menuItem, final Geocache cache) {
+        final ActionProvider actionProvider = MenuItemCompat.getActionProvider(menuItem);
+        if (actionProvider instanceof NavigationSelectionActionProvider) {
+            final NavigationSelectionActionProvider navigateAction = (NavigationSelectionActionProvider) actionProvider;
+            navigateAction.setTarget(cache);
+        }
+    }
+
+}