support view_mode setting in offline (without adaptive for the time

being) (closes #712)

res/menu/offline_menu.xml

@@ -3,11 +3,10 @@
     <group android:id="@+id/menu_group_feeds" >
         <item
             android:id="@+id/go_online"
-            android:showAsAction="ifRoom|withText"
             android:icon="@drawable/ic_cloud_light"
+            android:showAsAction="ifRoom|withText"
             android:title="@string/go_online"
             android:visible="false"/>
-
         <item
             android:id="@+id/show_feeds"
             android:icon="@drawable/ic_list_light"
@@ -31,8 +30,13 @@
             android:icon="@drawable/ic_select_all_light"
             android:showAsAction="ifRoom"
             android:title="@string/headlines_select"/>
+        <item
+            android:id="@+id/headlines_view_mode"
+            android:showAsAction=""
+            android:title="@string/headlines_view_mode"/>
     </group>
-    <!--  <group android:id="@+id/menu_group_headlines_selection" >
+    <!--
+    <group android:id="@+id/menu_group_headlines_selection" >
         <item
             android:id="@+id/selection_toggle_unread"
             android:showAsAction="ifRoom"
@@ -51,7 +55,8 @@
             android:id="@+id/selection_select_none"
             android:showAsAction=""
             android:title="@string/selection_select_none"/>
-    </group> -->
+    </group>
+    -->
     <group android:id="@+id/menu_group_article" >
         <item
             android:id="@+id/toggle_marked"

src/org/fox/ttrss/offline/OfflineActivity.java

@@ -1,6 +1,5 @@
 package org.fox.ttrss.offline;
 
-import org.fox.ttrss.ArticlePager;
 import org.fox.ttrss.CommonActivity;
 import org.fox.ttrss.PreferencesActivity;
 import org.fox.ttrss.R;
@@ -308,6 +307,67 @@ public class OfflineActivity extends CommonActivity {
 			Intent intent = new Intent(this, PreferencesActivity.class);
 			startActivityForResult(intent, 0);
 			return true;
+		case R.id.headlines_view_mode:
+			if (ohf != null) {
+				Dialog dialog = new Dialog(this);
+				
+				String viewMode = getViewMode();
+				
+				//Log.d(TAG, "viewMode:" + getViewMode());
+
+				int selectedIndex = 0;
+				
+				if (viewMode.equals("all_articles")) {
+					selectedIndex = 0;
+				} else if (viewMode.equals("marked")) {
+					selectedIndex = 1;
+				} else if (viewMode.equals("published")) {
+					selectedIndex = 2;
+				} else if (viewMode.equals("unread")) {
+					selectedIndex = 3;
+				}
+				
+				AlertDialog.Builder builder = new AlertDialog.Builder(this)
+						.setTitle(R.string.headlines_set_view_mode)
+						.setSingleChoiceItems(
+								new String[] {
+										/* getString(R.string.headlines_adaptive), */
+										getString(R.string.headlines_all_articles),
+										getString(R.string.headlines_starred),
+										getString(R.string.headlines_published),
+										getString(R.string.headlines_unread) },
+								selectedIndex, new DialogInterface.OnClickListener() {
+									@Override
+									public void onClick(DialogInterface dialog,
+											int which) {
+										switch (which) {
+										/* case 0:
+											setViewMode("adaptive");
+											break; */
+										case 0:
+											setViewMode("all_articles");
+											break;
+										case 1:
+											setViewMode("marked");
+											break;
+										case 2:
+											setViewMode("published");
+											break;
+										case 3:
+											setViewMode("unread");
+											break;
+										}
+										dialog.cancel();
+
+										refresh();
+									}
+								});
+
+				dialog = builder.create();
+				dialog.show();
+
+			}
+			return true;
 		case R.id.headlines_select:
 			if (ohf != null) {
 				Dialog dialog = new Dialog(this);
@@ -789,4 +849,15 @@ public class OfflineActivity extends CommonActivity {
 	public String getLastContentImageHitTestUrl() {
 		return m_lastImageHitTestUrl;
 	}
+
+	public void setViewMode(String viewMode) {
+		SharedPreferences.Editor editor = m_prefs.edit();
+		editor.putString("offline_view_mode", viewMode);
+		editor.commit();
+	}
+	
+	public String getViewMode() {		
+		return m_prefs.getString("offline_view_mode", "adaptive");
+	}
+
 }

src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java

@@ -334,6 +334,20 @@ public class OfflineHeadlinesFragment extends Fragment implements OnItemClickLis
 			feedClause = "feed_id = ?";
 		}
 		
+		String viewMode = m_activity.getViewMode();
+		
+		if ("adaptive".equals(viewMode)) {
+			// TODO: implement adaptive			
+		} else if ("marked".equals(viewMode)) {
+			feedClause += "AND (marked = 1)";
+		} else if ("published".equals(viewMode)) {
+			feedClause += "AND (published = 1)";
+		} else if ("unread".equals(viewMode)) {
+			feedClause += "AND (unread = 1)";
+		} else { // all_articles
+			//
+		}
+		
 		String orderBy = (m_prefs.getBoolean("offline_oldest_first", false)) ? "updated" : "updated DESC";
 		
 		if (m_searchQuery == null || m_searchQuery.equals("")) {