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package org.fox.ttrss.offline;
import org.fox.ttrss.R;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.database.Cursor;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.BaseColumns;
import android.support.v4.app.Fragment;
import android.support.v4.widget.SimpleCursorAdapter;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnClickListener;
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.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class OfflineFeedCategoriesFragment extends Fragment implements OnItemClickListener, OnSharedPreferenceChangeListener {
private final String TAG = this.getClass().getSimpleName();
private SharedPreferences m_prefs;
private FeedCategoryListAdapter m_adapter;
private int m_selectedCatId;
private Cursor m_cursor;
private OfflineFeedsActivity m_activity;
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
getActivity().getMenuInflater().inflate(R.menu.category_menu, menu);
AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
Cursor cursor = (Cursor)m_adapter.getItem(info.position);
if (cursor != null)
menu.setHeaderTitle(cursor.getString(cursor.getColumnIndex("title")));
if (!m_activity.isSmallScreen()) {
menu.findItem(R.id.browse_articles).setVisible(false);
}
super.onCreateContextMenu(menu, v, menuInfo);
}
public Cursor createCursor() {
String unreadOnly = BaseColumns._ID + "> 0 AND " + (m_activity.getUnreadOnly() ? "unread > 0" : "1");
String order = m_prefs.getBoolean("sort_feeds_by_unread", false) ? "unread DESC, title" : "title";
return m_activity.getReadableDb().query("cats_unread",
null, unreadOnly, null, null, null, order);
}
public void refresh() {
if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
m_cursor = createCursor();
if (m_cursor != null && m_adapter != null) {
m_adapter.changeCursor(m_cursor);
m_adapter.notifyDataSetChanged();
}
}
@Override
public void onResume() {
super.onResume();
refresh();
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
.getMenuInfo();
switch (item.getItemId()) {
case R.id.browse_articles:
if (true) {
int catId = getCatIdAtPosition(info.position);
if (catId != -10000) {
m_activity.openFeedArticles(catId, true);
}
}
return true;
case R.id.browse_headlines:
if (true) {
int catId = getCatIdAtPosition(info.position);
if (catId != -10000) {
m_activity.onCatSelected(catId, true);
}
}
return true;
case R.id.browse_feeds:
if (true) {
int catId = getCatIdAtPosition(info.position);
if (catId != -10000) {
m_activity.onCatSelected(catId, false);
}
}
return true;
case R.id.catchup_category:
if (true) {
int catId = getCatIdAtPosition(info.position);
if (catId != -10000) {
m_activity.catchupFeed(catId, true);
}
}
return true;
default:
Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId());
return super.onContextItemSelected(item);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_selectedCatId = savedInstanceState.getInt("selectedFeedId");
}
View view = inflater.inflate(R.layout.feeds_fragment, container, false);
ListView list = (ListView)view.findViewById(R.id.feeds);
m_cursor = createCursor();
m_adapter = new FeedCategoryListAdapter(getActivity(), R.layout.feeds_row, m_cursor,
new String[] { "title", "unread" }, new int[] { R.id.title, R.id.unread_counter }, 0);
list.setAdapter(m_adapter);
list.setOnItemClickListener(this);
list.setEmptyView(view.findViewById(R.id.no_feeds));
registerForContextMenu(list);
view.findViewById(R.id.loading_container).setVisibility(View.GONE);
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_activity = (OfflineFeedsActivity)activity;
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
m_prefs.registerOnSharedPreferenceChangeListener(this);
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putInt("selectedFeedId", m_selectedCatId);
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)getActivity().findViewById(R.id.feeds);
if (list != null) {
Cursor cursor = (Cursor) list.getItemAtPosition(position);
if (cursor != null) {
int feedId = (int) cursor.getLong(0);
Log.d(TAG, "clicked on feed " + feedId);
if (m_activity.isSmallScreen() && "ARTICLES".equals(m_prefs.getString("default_view_mode", "HEADLINES")) &&
m_prefs.getBoolean("browse_cats_like_feeds", false)) {
m_activity.openFeedArticles(feedId, true);
} else {
m_activity.onCatSelected(feedId);
}
/* if (!m_activity.isSmallScreen())
m_selectedCatId = feedId; */
m_adapter.notifyDataSetChanged();
}
}
}
/* public void setLoadingStatus(int status, boolean showProgress) {
if (getView() != null) {
TextView tv = (TextView)getView().findViewById(R.id.loading_message);
if (tv != null) {
tv.setText(status);
}
}
getActivity().setProgressBarIndeterminateVisibility(showProgress);
} */
private class FeedCategoryListAdapter extends SimpleCursorAdapter {
public FeedCategoryListAdapter(Context context, int layout, Cursor c,
String[] from, int[] to, int flags) {
super(context, layout, c, from, to, flags);
}
public static final int VIEW_NORMAL = 0;
public static final int VIEW_SELECTED = 1;
public static final int VIEW_COUNT = VIEW_SELECTED+1;
@Override
public int getViewTypeCount() {
return VIEW_COUNT;
}
@Override
public int getItemViewType(int position) {
Cursor cursor = (Cursor) this.getItem(position);
if (!m_activity.isSmallScreen() && cursor.getLong(0) == m_selectedCatId) {
return VIEW_SELECTED;
} else {
return VIEW_NORMAL;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
Cursor cursor = (Cursor)getItem(position);
if (v == null) {
int layoutId = R.layout.feeds_row;
switch (getItemViewType(position)) {
case VIEW_SELECTED:
layoutId = R.layout.feeds_row_selected;
break;
}
LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(layoutId, null);
}
TextView tt = (TextView) v.findViewById(R.id.title);
if (tt != null) {
tt.setText(cursor.getString(cursor.getColumnIndex("title")));
}
TextView tu = (TextView) v.findViewById(R.id.unread_counter);
if (tu != null) {
tu.setText(String.valueOf(cursor.getInt(cursor.getColumnIndex("unread"))));
tu.setVisibility((cursor.getInt(cursor.getColumnIndex("unread")) > 0) ? View.VISIBLE : View.INVISIBLE);
}
ImageView icon = (ImageView)v.findViewById(R.id.icon);
if (icon != null) {
icon.setImageResource(cursor.getInt(cursor.getColumnIndex("unread")) > 0 ? R.drawable.ic_published : R.drawable.ic_unpublished);
}
ImageButton ib = (ImageButton) v.findViewById(R.id.feed_menu_button);
if (ib != null) {
ib.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getActivity().openContextMenu(v);
}
});
}
return v;
}
}
public void sortCategories() {
try {
refresh();
} catch (NullPointerException e) {
// activity is gone?
} catch (IllegalStateException e) {
// we're probably closing and DB is gone already
}
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
sortCategories();
}
public int getCatIdAtPosition(int position) {
Cursor c = (Cursor)m_adapter.getItem(position);
if (c != null) {
int catId = c.getInt(0);
return catId;
}
return -10000;
}
public void setSelectedFeedId(int feedId) {
m_selectedCatId = feedId;
refresh();
}
}
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