implement browsing categories like feeds

res/menu/category_menu.xml

@@ -0,0 +1,11 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/browse_articles"
+        android:title="Browse articles"/>
+
+    <item
+        android:id="@+id/browse_feeds"
+        android:title="Browse feeds"/>
+
+</menu>

res/values/strings.xml

@@ -52,8 +52,8 @@
     <string name="back_to_categories">Close category</string>
     <string name="no_feeds_to_display">No feeds to display</string>
     <string name="no_headlines_to_display">No headlines to display</string>
-        
+    <string name="browse_cats_like_feeds">Browse categories like feeds</string>
-    <string name="error_template">Error: %1$s</string>
+    <string name="browse_cats_like_feeds_summary">You can long-tap on a category to override this setting</string>
         
 	<string name="error_no_error">No error</string>
 	<string name="error_unknown">Error: Unknown error (see log)</string>

res/xml/preferences.xml

@@ -27,6 +27,8 @@
       <CheckBoxPreference android:defaultValue="false" android:title="@string/sort_feeds_by_unread" android:key="sort_feeds_by_unread"/>
       <CheckBoxPreference android:defaultValue="false" android:title="@string/download_feed_icons" android:key="download_feed_icons"/>
       <CheckBoxPreference android:defaultValue="false" android:title="@string/enable_cats" android:key="enable_cats" />
+      <CheckBoxPreference android:defaultValue="false" android:title="@string/browse_cats_like_feeds" android:key="browse_cats_like_feeds"
+          android:summary="@string/browse_cats_like_feeds_summary" />
       <CheckBoxPreference android:defaultValue="false" android:summary="@string/enable_ads_summary" android:title="@string/enable_ads" android:key="enable_ads" />
    </PreferenceCategory>
 

src/org/fox/ttrss/Feed.java

@@ -11,6 +11,13 @@ public class Feed implements Comparable<Feed>, Parcelable {
 	boolean has_icon;
 	int cat_id;
 	int last_updated;
+	boolean is_cat;
+	
+	public Feed(int id, String title, boolean is_cat) {
+		this.id = id;
+		this.title = title;
+		this.is_cat = is_cat;
+	}
 	
 	public Feed(Parcel in) {
 		readFromParcel(in);
@@ -38,6 +45,7 @@ public class Feed implements Comparable<Feed>, Parcelable {
 		out.writeInt(has_icon ? 1 : 0);
 		out.writeInt(cat_id);
 		out.writeInt(last_updated);
+		out.writeInt(is_cat ? 1 : 0);
 	}
 	
 	public void readFromParcel(Parcel in) {
@@ -48,6 +56,7 @@ public class Feed implements Comparable<Feed>, Parcelable {
 		has_icon = in.readInt() == 1;
 		cat_id = in.readInt();
 		last_updated = in.readInt();
+		is_cat = in.readInt() == 1;
 	}
 	
 	@SuppressWarnings("rawtypes")

src/org/fox/ttrss/FeedCategoriesFragment.java

@@ -14,10 +14,15 @@ import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
+import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ArrayAdapter;
 import android.widget.ImageView;
@@ -65,6 +70,39 @@ public class FeedCategoriesFragment extends Fragment implements OnItemClickListe
 		
 	}
 	
+	@Override
+	public void onCreateContextMenu(ContextMenu menu, View v,
+	    ContextMenuInfo menuInfo) {
+		
+		getActivity().getMenuInflater().inflate(R.menu.category_menu, menu);
+		super.onCreateContextMenu(menu, v, menuInfo);		
+		
+	}
+	
+	@Override
+	public boolean onContextItemSelected(MenuItem item) {
+		AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
+	    FeedCategory cat = m_adapter.getItem(info.position);
+	    
+		MainActivity activity = (MainActivity)getActivity();
+
+	    if (cat != null) {
+			m_selectedCatId = cat.id;
+			m_adapter.notifyDataSetChanged();
+
+	    	switch (item.getItemId()) {
+	    	case R.id.browse_articles:
+	    		activity.viewCategory(cat, true);
+	    		break;
+	    	case R.id.browse_feeds:
+	    		activity.viewCategory(cat, false);
+	    		break;
+	    	}
+	    }
+			
+		return true;
+	}
+	
 	@Override
 	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {  
 		if (savedInstanceState != null) {
@@ -78,6 +116,7 @@ public class FeedCategoriesFragment extends Fragment implements OnItemClickListe
 		m_adapter = new FeedCategoryListAdapter(getActivity(), R.layout.feeds_row, (ArrayList<FeedCategory>)m_cats);
 		list.setAdapter(m_adapter);
 		list.setOnItemClickListener(this);
+		registerForContextMenu(list);
 		
 		if (m_cats == null || m_cats.size() == 0)
 			refresh(false);
@@ -297,7 +336,8 @@ public class FeedCategoriesFragment extends Fragment implements OnItemClickListe
 	@Override
 	public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
 			String key) {
-		// TODO Auto-generated method stub
+
+		sortCats();
 		
 	}
 

src/org/fox/ttrss/HeadlinesFragment.java

@@ -105,6 +105,7 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener {
 		
 		final String sessionId = ((MainActivity)getActivity()).getSessionId();
 		final boolean showUnread = ((MainActivity)getActivity()).getUnreadArticlesOnly();
+		final boolean isCat = m_feed.is_cat;
 		int skip = 0;
 		
 		if (append) {
@@ -131,6 +132,8 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener {
 				put("offset", String.valueOf(0));
 				put("view_mode", showUnread ? "adaptive" : "all_articles");
 				put("skip", String.valueOf(fskip));
+				
+				if (isCat) put("is_cat", "true");
 			}			 
 		};
 

src/org/fox/ttrss/MainActivity.java

@@ -378,12 +378,19 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
         				findViewById(R.id.main).setAnimation(AnimationUtils.loadAnimation(this, R.anim.slide_right));
         			}
         			
+        			if (m_activeFeed.is_cat) {
+        				findViewById(R.id.headlines_fragment).setVisibility(View.GONE);
+        				findViewById(R.id.cats_fragment).setVisibility(View.VISIBLE);
+        				
+            			refreshCategories();
+        			} else {
         				findViewById(R.id.headlines_fragment).setVisibility(View.GONE);
         				findViewById(R.id.feeds_fragment).setVisibility(View.VISIBLE);
 
+            			refreshFeeds();
+        			}
     				m_activeFeed = null;
         			initMainMenu();
-        			refreshFeeds();
 
         		} else if (m_activeCategory != null) {
         			if (m_compatMode) {
@@ -756,7 +763,6 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 
 	@Override
 	public void onFeedSelected(Feed feed) {
-		Log.d(TAG, "Selected feed: " + feed.toString());
 		viewFeed(feed, false);
 	}
 
@@ -788,19 +794,34 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 		}
 	}
 
-	public void viewCategory(FeedCategory cat) {
+	public void viewCategory(FeedCategory cat, boolean openAsFeed) {
-		m_activeCategory = cat;
-	
-		initMainMenu();
 		
+		if (!openAsFeed) {
 			findViewById(R.id.cats_fragment).setVisibility(View.GONE);
 			findViewById(R.id.feeds_fragment).setVisibility(View.VISIBLE);
 
+			m_activeCategory = cat;
+
 			FeedsFragment frag = new FeedsFragment();
 	
 			FragmentTransaction ft = getSupportFragmentManager().beginTransaction();			
 			ft.replace(R.id.feeds_fragment, frag);
 			ft.commit();
+		} else {
+			findViewById(R.id.cats_fragment).setVisibility(View.GONE);
+			findViewById(R.id.headlines_fragment).setVisibility(View.VISIBLE);
+
+			m_activeFeed = new Feed(cat.id, cat.title, true);
+			
+			HeadlinesFragment frag = new HeadlinesFragment();
+	
+			FragmentTransaction ft = getSupportFragmentManager().beginTransaction();			
+			ft.replace(R.id.headlines_fragment, frag);
+			ft.commit();
+			
+		}
+		
+		initMainMenu();
 	}
 
 	public void openArticle(Article article, int compatAnimation) {
@@ -934,7 +955,7 @@ public class MainActivity extends FragmentActivity implements FeedsFragment.OnFe
 
 	@Override
 	public void onCatSelected(FeedCategory cat) {
-		m_activeCategory = cat;
+		Log.d(TAG, "onCatSelected");
-		viewCategory(cat);
+		viewCategory(cat, m_prefs.getBoolean("browse_cats_like_feeds", false));
 	}
 }