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/*
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* Copyright 2010-2018 Eric Kok et al.
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*
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* Transdroid is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Transdroid is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Transdroid. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.transdroid.core.gui.rss;
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import androidx.fragment.app.Fragment;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.ListView;
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import android.widget.TextView;
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import org.androidannotations.annotations.AfterViews;
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import org.androidannotations.annotations.Bean;
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import org.androidannotations.annotations.EFragment;
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import org.androidannotations.annotations.ItemClick;
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import org.androidannotations.annotations.OptionsItem;
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import org.androidannotations.annotations.OptionsMenu;
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import org.androidannotations.annotations.ViewById;
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import org.transdroid.R;
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import org.transdroid.core.gui.settings.MainSettingsActivity_;
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import java.util.List;
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/**
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* Fragment lists the RSS feeds the user wants to monitor and, if room, the list of items in a feed in a right pane.
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* @author Eric Kok
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*/
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@EFragment(R.layout.fragment_rssfeeds)
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@OptionsMenu(R.menu.fragment_rssfeeds)
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public class RssFeedsFragment extends Fragment {
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// Views
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@ViewById(R.id.rssfeeds_list)
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protected ListView feedsList;
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@Bean
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protected RssfeedsAdapter rssfeedsAdapter;
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@ViewById
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protected TextView nosettingsText;
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@AfterViews
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protected void init() {
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feedsList.setAdapter(rssfeedsAdapter);
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}
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public void update(List<RssfeedLoader> loaders) {
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rssfeedsAdapter.update(loaders);
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boolean hasSettings = !(loaders == null || loaders.size() == 0);
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feedsList.setVisibility(hasSettings ? View.VISIBLE : View.GONE);
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nosettingsText.setVisibility(hasSettings ? View.GONE : View.VISIBLE);
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getActivity().invalidateOptionsMenu();
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}
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@Override
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public void onPrepareOptionsMenu(Menu menu) {
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super.onPrepareOptionsMenu(menu);
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boolean hasFeeds = rssfeedsAdapter != null && rssfeedsAdapter.getCount() > 0;
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menu.findItem(R.id.action_refresh).setVisible(hasFeeds);
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menu.findItem(R.id.action_settings).setShowAsAction(!hasFeeds ? MenuItem.SHOW_AS_ACTION_ALWAYS : MenuItem.SHOW_AS_ACTION_NEVER);
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}
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@OptionsItem(R.id.action_settings)
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protected void openSettings() {
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MainSettingsActivity_.intent(getActivity()).start();
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}
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protected RssFeedsActivity getRssActivity() {
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return (RssFeedsActivity) getActivity();
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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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this.refreshScreen();
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}
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@OptionsItem(R.id.action_refresh)
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protected void refreshScreen() {
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getRssActivity().refreshFeeds();
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}
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@ItemClick(R.id.rssfeeds_list)
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protected void onFeedClicked(RssfeedLoader loader) {
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getRssActivity().openRssfeed(loader, true);
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}
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/**
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* Notifies the contained list of RSS feeds that the underlying data has been changed.
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*/
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public void notifyDataSetChanged() {
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rssfeedsAdapter.notifyDataSetChanged();
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}
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}
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