package org.fox.ttrss.offline; import org.fox.ttrss.R; import android.app.Activity; import android.database.Cursor; import android.database.sqlite.SQLiteStatement; import android.os.Bundle; import android.provider.BaseColumns; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentStatePagerAdapter; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class OfflineArticlePager extends Fragment { private final String TAG = this.getClass().getSimpleName(); private PagerAdapter m_adapter; private OfflineActivity m_activity; private OfflineHeadlinesEventListener m_listener; private boolean m_isCat; private int m_feedId; private int m_articleId; private String m_searchQuery = ""; private Cursor m_cursor; public Cursor createCursor() { String feedClause = null; if (m_isCat) { feedClause = "feed_id IN (SELECT "+BaseColumns._ID+" FROM feeds WHERE cat_id = ?)"; } else { feedClause = "feed_id = ?"; } if (m_searchQuery.equals("")) { return m_listener.getReadableDb().query("articles LEFT JOIN feeds ON (feed_id = feeds."+BaseColumns._ID+")", new String[] { "articles."+BaseColumns._ID, "feeds.title AS feed_title" }, feedClause, new String[] { String.valueOf(m_feedId) }, null, null, "updated DESC"); } else { return m_listener.getReadableDb().query("articles LEFT JOIN feeds ON (feed_id = feeds."+BaseColumns._ID+")", new String[] { "articles."+BaseColumns._ID }, feedClause + " AND (articles.title LIKE '%' || ? || '%' OR content LIKE '%' || ? || '%')", new String[] { String.valueOf(m_feedId), m_searchQuery, m_searchQuery }, null, null, "updated DESC"); } } @Override public void onDestroy() { super.onDestroy(); if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close(); } private class PagerAdapter extends FragmentStatePagerAdapter { public PagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { Log.d(TAG, "getItem: " + position); if (m_cursor.moveToPosition(position)) { return new OfflineArticleFragment(m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID))); } return null; } @Override public int getCount() { return m_cursor.getCount(); } } public OfflineArticlePager() { super(); } public OfflineArticlePager(int articleId, int feedId, boolean isCat) { super(); m_feedId = feedId; m_isCat = isCat; m_articleId = articleId; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.article_pager, container, false); if (savedInstanceState != null) { m_articleId = savedInstanceState.getInt("articleId", 0); m_feedId = savedInstanceState.getInt("feedId", 0); m_isCat = savedInstanceState.getBoolean("isCat", false); } m_adapter = new PagerAdapter(getActivity().getSupportFragmentManager()); m_cursor.moveToFirst(); int position = 0; while (!m_cursor.isLast()) { if (m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID)) == m_articleId) { position = m_cursor.getPosition(); break; } m_cursor.moveToNext(); } ViewPager pager = (ViewPager) view.findViewById(R.id.article_pager); pager.setAdapter(m_adapter); pager.setCurrentItem(position); pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrollStateChanged(int arg0) { } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { } @Override public void onPageSelected(int position) { if (m_cursor.moveToPosition(position)) { int articleId = m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID)); m_listener.onArticleSelected(articleId, false); m_articleId = articleId; } } }); return view; } @Override public void onAttach(Activity activity) { super.onAttach(activity); m_activity = (OfflineActivity)activity; m_listener = (OfflineHeadlinesEventListener)activity; m_cursor = createCursor(); } public int getSelectedArticleId() { return m_articleId; } @Override public void onSaveInstanceState(Bundle out) { super.onSaveInstanceState(out); out.putInt("articleId", m_articleId); out.putInt("feedId", m_feedId); out.putBoolean("isCat", m_isCat); } }