548 lines
14 KiB
Java
548 lines
14 KiB
Java
package org.fox.ttrss;
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import java.lang.reflect.Type;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.List;
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import org.fox.ttrss.types.Feed;
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import org.fox.ttrss.types.FeedCategory;
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import org.fox.ttrss.types.FeedCategoryList;
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import android.annotation.SuppressLint;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.support.v4.app.Fragment;
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import android.support.v4.widget.SwipeRefreshLayout;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.View.OnClickListener;
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import android.view.LayoutInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.AdapterView.AdapterContextMenuInfo;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.ArrayAdapter;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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import com.google.gson.Gson;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.reflect.TypeToken;
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public class FeedCategoriesFragment extends Fragment implements OnItemClickListener, OnSharedPreferenceChangeListener {
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private final String TAG = this.getClass().getSimpleName();
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private SharedPreferences m_prefs;
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private FeedCategoryListAdapter m_adapter;
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private FeedCategoryList m_cats = new FeedCategoryList();
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private FeedCategory m_selectedCat;
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private FeedsActivity m_activity;
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private SwipeRefreshLayout m_swipeLayout;
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@SuppressLint("DefaultLocale")
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class CatUnreadComparator implements Comparator<FeedCategory> {
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@Override
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public int compare(FeedCategory a, FeedCategory b) {
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if (a.unread != b.unread)
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return b.unread - a.unread;
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else
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return a.title.toUpperCase().compareTo(b.title.toUpperCase());
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}
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}
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@SuppressLint("DefaultLocale")
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class CatTitleComparator implements Comparator<FeedCategory> {
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@Override
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public int compare(FeedCategory a, FeedCategory b) {
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if (a.id >= 0 && b.id >= 0)
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return a.title.toUpperCase().compareTo(b.title.toUpperCase());
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else
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return a.id - b.id;
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}
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}
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@SuppressLint("DefaultLocale")
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class CatOrderComparator implements Comparator<FeedCategory> {
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@Override
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public int compare(FeedCategory a, FeedCategory b) {
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if (a.id >= 0 && b.id >= 0)
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if (a.order_id != 0 && b.order_id != 0)
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return a.order_id - b.order_id;
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else
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return a.title.toUpperCase().compareTo(b.title.toUpperCase());
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else
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return a.id - b.id;
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}
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}
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@Override
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public boolean onContextItemSelected(MenuItem item) {
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AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
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.getMenuInfo();
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switch (item.getItemId()) {
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case R.id.browse_articles:
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if (true) {
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FeedCategory cat = getCategoryAtPosition(info.position);
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if (cat != null) {
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m_activity.openFeedArticles(new Feed(cat.id, cat.title, true));
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//setSelectedCategory(cat);
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}
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}
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return true;
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case R.id.browse_headlines:
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if (true) {
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FeedCategory cat = getCategoryAtPosition(info.position);
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if (cat != null) {
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m_activity.onCatSelected(cat, true);
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//setSelectedCategory(cat);
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}
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}
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return true;
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case R.id.browse_feeds:
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if (true) {
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FeedCategory cat = getCategoryAtPosition(info.position);
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if (cat != null) {
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m_activity.onCatSelected(cat, false);
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//cf.setSelectedCategory(cat);
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}
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}
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return true;
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case R.id.create_shortcut:
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if (true) {
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FeedCategory cat = getCategoryAtPosition(info.position);
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if (cat != null) {
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m_activity.createCategoryShortcut(cat);
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//cf.setSelectedCategory(cat);
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}
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}
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return true;
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case R.id.catchup_category:
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if (true) {
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final FeedCategory cat = getCategoryAtPosition(info.position);
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if (cat != null) {
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if (m_prefs.getBoolean("confirm_headlines_catchup", true)) {
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AlertDialog.Builder builder = new AlertDialog.Builder(
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m_activity)
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.setMessage(getString(R.string.context_confirm_catchup, cat.title))
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.setPositiveButton(R.string.catchup,
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new Dialog.OnClickListener() {
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public void onClick(DialogInterface dialog,
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int which) {
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m_activity.catchupFeed(new Feed(cat.id, cat.title, true));
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}
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})
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.setNegativeButton(R.string.dialog_cancel,
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new Dialog.OnClickListener() {
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public void onClick(DialogInterface dialog,
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int which) {
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}
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});
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AlertDialog dlg = builder.create();
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dlg.show();
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} else {
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m_activity.catchupFeed(new Feed(cat.id, cat.title, true));
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}
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}
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}
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return true;
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default:
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Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId());
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return super.onContextItemSelected(item);
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}
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View v,
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ContextMenuInfo menuInfo) {
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m_activity.getMenuInflater().inflate(R.menu.category_menu, menu);
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AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
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FeedCategory cat = m_adapter.getItem(info.position);
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if (cat != null)
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menu.setHeaderTitle(cat.title);
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if (!m_activity.isSmallScreen()) {
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menu.findItem(R.id.browse_articles).setVisible(false);
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}
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super.onCreateContextMenu(menu, v, menuInfo);
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}
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public FeedCategory getCategoryAtPosition(int position) {
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return m_adapter.getItem(position);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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if (savedInstanceState != null) {
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m_selectedCat = savedInstanceState.getParcelable("selectedCat");
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m_cats = savedInstanceState.getParcelable("cats");
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}
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View view = inflater.inflate(R.layout.cats_fragment, container, false);
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m_swipeLayout = (SwipeRefreshLayout) view.findViewById(R.id.feeds_swipe_container);
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m_swipeLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
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@Override
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public void onRefresh() {
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refresh(false);
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}
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});
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if (!m_activity.isCompatMode()) {
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m_swipeLayout.setColorScheme(android.R.color.holo_green_dark,
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android.R.color.holo_red_dark,
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android.R.color.holo_blue_dark,
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android.R.color.holo_orange_dark);
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}
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ListView list = (ListView)view.findViewById(R.id.feeds);
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m_adapter = new FeedCategoryListAdapter(getActivity(), R.layout.feeds_row, (ArrayList<FeedCategory>)m_cats);
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list.setAdapter(m_adapter);
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list.setOnItemClickListener(this);
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registerForContextMenu(list);
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//m_activity.m_pullToRefreshAttacher.addRefreshableView(list, this);
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return view;
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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m_activity = (FeedsActivity)activity;
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m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
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m_prefs.registerOnSharedPreferenceChangeListener(this);
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}
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@Override
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public void onResume() {
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super.onResume();
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refresh(false);
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m_activity.initMenu();
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}
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@Override
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public void onSaveInstanceState (Bundle out) {
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super.onSaveInstanceState(out);
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out.setClassLoader(getClass().getClassLoader());
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out.putParcelable("selectedCat", m_selectedCat);
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out.putParcelable("cats", m_cats);
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}
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/* private void setLoadingStatus(int status, boolean showProgress) {
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if (getView() != null) {
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TextView tv = (TextView)getView().findViewById(R.id.loading_message);
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if (tv != null) {
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tv.setText(status);
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}
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}
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m_activity.setProgressBarIndeterminateVisibility(showProgress);
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} */
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public void refresh(boolean background) {
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m_swipeLayout.setRefreshing(true);
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CatsRequest req = new CatsRequest(getActivity().getApplicationContext());
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final String sessionId = m_activity.getSessionId();
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final boolean unreadOnly = m_activity.getUnreadOnly();
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if (sessionId != null) {
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//m_activity.setLoadingStatus(R.string.blank, true);
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//m_activity.setProgressBarVisibility(true);
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@SuppressWarnings("serial")
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HashMap<String,String> map = new HashMap<String,String>() {
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{
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put("op", "getCategories");
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put("sid", sessionId);
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put("enable_nested", "true");
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if (unreadOnly) {
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put("unread_only", String.valueOf(unreadOnly));
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}
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}
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};
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req.execute(map);
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}
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}
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private class CatsRequest extends ApiRequest {
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public CatsRequest(Context context) {
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super(context);
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}
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@Override
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protected void onProgressUpdate(Integer... progress) {
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m_activity.setProgress(Math.round((((float)progress[0] / (float)progress[1]) * 10000)));
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}
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@Override
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protected void onPostExecute(JsonElement result) {
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if (isDetached()) return;
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m_activity.setProgressBarVisibility(false);
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m_swipeLayout.setRefreshing(false);
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if (getView() != null) {
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ListView list = (ListView)getView().findViewById(R.id.feeds);
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if (list != null) {
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list.setEmptyView(getView().findViewById(R.id.no_feeds));
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}
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}
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if (result != null) {
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try {
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JsonArray content = result.getAsJsonArray();
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if (content != null) {
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Type listType = new TypeToken<List<FeedCategory>>() {}.getType();
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final List<FeedCategory> cats = new Gson().fromJson(content, listType);
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m_cats.clear();
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int apiLevel = m_activity.getApiLevel();
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// virtual cats implemented in getCategories since api level 1
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if (apiLevel == 0) {
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m_cats.add(new FeedCategory(-1, "Special", 0));
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m_cats.add(new FeedCategory(-2, "Labels", 0));
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m_cats.add(new FeedCategory(0, "Uncategorized", 0));
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}
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for (FeedCategory c : cats)
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m_cats.add(c);
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sortCats();
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/* if (m_cats.size() == 0)
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setLoadingStatus(R.string.no_feeds_to_display, false);
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else */
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//m_adapter.notifyDataSetChanged(); (done by sortCats)
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m_activity.setLoadingStatus(R.string.blank, false);
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return;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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if (m_lastError == ApiError.LOGIN_FAILED) {
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m_activity.login(true);
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} else {
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m_activity.setLoadingStatus(getErrorMessage(), false);
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}
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}
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}
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public void sortCats() {
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Comparator<FeedCategory> cmp;
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if (m_prefs.getBoolean("sort_feeds_by_unread", false)) {
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cmp = new CatUnreadComparator();
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} else {
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if (m_activity.getApiLevel() >= 3) {
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cmp = new CatOrderComparator();
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} else {
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cmp = new CatTitleComparator();
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}
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}
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try {
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Collections.sort(m_cats, cmp);
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} catch (IllegalArgumentException e) {
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e.printStackTrace();
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}
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try {
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m_adapter.notifyDataSetChanged();
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} catch (NullPointerException e) {
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// adapter missing
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}
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}
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private class FeedCategoryListAdapter extends ArrayAdapter<FeedCategory> {
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private ArrayList<FeedCategory> items;
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public static final int VIEW_NORMAL = 0;
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public static final int VIEW_SELECTED = 1;
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public static final int VIEW_COUNT = VIEW_SELECTED+1;
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public FeedCategoryListAdapter(Context context, int textViewResourceId, ArrayList<FeedCategory> items) {
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super(context, textViewResourceId, items);
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this.items = items;
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}
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public int getViewTypeCount() {
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return VIEW_COUNT;
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}
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@Override
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public int getItemViewType(int position) {
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FeedCategory cat = items.get(position);
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if (!m_activity.isSmallScreen() && m_selectedCat != null && cat.id == m_selectedCat.id) {
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return VIEW_SELECTED;
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} else {
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return VIEW_NORMAL;
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}
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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View v = convertView;
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FeedCategory cat = items.get(position);
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if (v == null) {
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int layoutId = R.layout.feeds_row;
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switch (getItemViewType(position)) {
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case VIEW_SELECTED:
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layoutId = R.layout.feeds_row_selected;
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break;
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}
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LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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v = vi.inflate(layoutId, null);
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}
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TextView tt = (TextView) v.findViewById(R.id.title);
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if (tt != null) {
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tt.setText(cat.title);
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}
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TextView tu = (TextView) v.findViewById(R.id.unread_counter);
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if (tu != null) {
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tu.setText(String.valueOf(cat.unread));
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tu.setVisibility((cat.unread > 0) ? View.VISIBLE : View.INVISIBLE);
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}
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ImageView icon = (ImageView)v.findViewById(R.id.icon);
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if (icon != null) {
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icon.setImageResource(cat.unread > 0 ? R.drawable.ic_published : R.drawable.ic_unpublished);
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}
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ImageButton ib = (ImageButton) v.findViewById(R.id.feed_menu_button);
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if (ib != null) {
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ib.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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getActivity().openContextMenu(v);
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}
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});
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}
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return v;
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}
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}
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@Override
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
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String key) {
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sortCats();
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}
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@Override
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public void onItemClick(AdapterView<?> av, View view, int position, long id) {
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ListView list = (ListView)av;
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Log.d(TAG, "onItemClick=" + position);
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if (list != null) {
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FeedCategory cat = (FeedCategory)list.getItemAtPosition(position);
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if (cat.id < 0) {
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m_activity.onCatSelected(cat, false);
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} else {
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if ("ARTICLES".equals(m_prefs.getString("default_view_mode", "HEADLINES")) &&
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m_prefs.getBoolean("browse_cats_like_feeds", false)) {
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m_activity.openFeedArticles(new Feed(cat.id, cat.title, true));
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} else {
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m_activity.onCatSelected(cat);
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}
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}
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//if (!m_activity.isSmallScreen())
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// m_selectedCat = cat;
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m_adapter.notifyDataSetChanged();
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}
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}
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public void setSelectedCategory(FeedCategory cat) {
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m_selectedCat = cat;
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if (m_adapter != null) {
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m_adapter.notifyDataSetChanged();
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}
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}
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public FeedCategory getSelectedCategory() {
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return m_selectedCat;
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}
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/* @Override
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public void onRefreshStarted(View view) {
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refresh(false);
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} */
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}
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