tt-rss-android/org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java

517 lines
13 KiB
Java
Executable File

package org.fox.ttrss;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.support.v4.widget.SwipeRefreshLayout;
import android.util.Log;
import android.util.TypedValue;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
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.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.reflect.TypeToken;
import org.fox.ttrss.types.Feed;
import org.fox.ttrss.types.FeedCategory;
import org.fox.ttrss.types.FeedCategoryList;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
public class FeedCategoriesFragment extends BaseFeedlistFragment implements OnItemClickListener, OnSharedPreferenceChangeListener,
LoaderManager.LoaderCallbacks<JsonElement> {
private final String TAG = this.getClass().getSimpleName();
private FeedCategoryListAdapter m_adapter;
private FeedCategoryList m_cats = new FeedCategoryList();
private FeedCategory m_selectedCat;
private MasterActivity m_activity;
private SwipeRefreshLayout m_swipeLayout;
private ListView m_list;
protected SharedPreferences m_prefs;
@Override
public Loader<JsonElement> onCreateLoader(int id, Bundle args) {
final String sessionId = m_activity.getSessionId();
final boolean unreadOnly = m_activity.getUnreadOnly();
@SuppressWarnings("serial")
HashMap<String, String> params = new HashMap<String, String>() {
{
put("op", "getCategories");
put("sid", sessionId);
put("enable_nested", "true");
if (unreadOnly) {
put("unread_only", String.valueOf(unreadOnly));
}
}
};
return new ApiLoader(getContext(), params);
}
@Override
public void onLoadFinished(Loader<JsonElement> loader, JsonElement result) {
Log.d(TAG, "onLoadFinished: " + loader + " " + result);
if (m_swipeLayout != null) m_swipeLayout.setRefreshing(false);
if (result != null) {
try {
JsonArray content = result.getAsJsonArray();
if (content != null) {
Type listType = new TypeToken<List<FeedCategory>>() {}.getType();
final List<FeedCategory> cats = new Gson().fromJson(content, listType);
m_cats.clear();
int apiLevel = m_activity.getApiLevel();
boolean specialCatFound = false;
// virtual cats implemented in getCategories since api level 1
if (apiLevel == 0) {
m_cats.add(new FeedCategory(-1, "Special", 0));
m_cats.add(new FeedCategory(-2, "Labels", 0));
m_cats.add(new FeedCategory(0, "Uncategorized", 0));
specialCatFound = true;
}
for (FeedCategory c : cats) {
if (c.id == -1) {
specialCatFound = true;
}
}
m_cats.addAll(cats);
sortCats();
if (!specialCatFound) {
m_cats.add(0, new FeedCategory(-1, "Special", 0));
}
m_adapter.notifyDataSetChanged();
return;
}
} catch (Exception e) {
e.printStackTrace();
}
}
ApiLoader al = (ApiLoader) loader;
if (al.getLastError() == ApiCommon.ApiError.LOGIN_FAILED) {
m_activity.login(true);
} else {
if (al.getLastErrorMessage() != null) {
m_activity.toast(getString(al.getErrorMessage()) + "\n" + al.getLastErrorMessage());
} else {
m_activity.toast(al.getErrorMessage());
}
}
}
public void sortCats() {
Comparator<FeedCategory> cmp;
if (m_prefs.getBoolean("sort_feeds_by_unread", false)) {
cmp = new CatUnreadComparator();
} else {
if (m_activity.getApiLevel() >= 3) {
cmp = new CatOrderComparator();
} else {
cmp = new CatTitleComparator();
}
}
try {
Collections.sort(m_cats, cmp);
} catch (IllegalArgumentException e) {
e.printStackTrace();
}
try {
m_adapter.notifyDataSetChanged();
} catch (NullPointerException e) {
// adapter missing
}
}
@Override
public void onLoaderReset(Loader<JsonElement> loader) {
Log.d(TAG, "onLoaderReset: " + loader);
m_cats.clear();
m_adapter.notifyDataSetChanged();
}
@SuppressLint("DefaultLocale")
class CatUnreadComparator implements Comparator<FeedCategory> {
@Override
public int compare(FeedCategory a, FeedCategory b) {
if (a.unread != b.unread)
return b.unread - a.unread;
else
return a.title.toUpperCase().compareTo(b.title.toUpperCase());
}
}
@SuppressLint("DefaultLocale")
class CatTitleComparator implements Comparator<FeedCategory> {
@Override
public int compare(FeedCategory a, FeedCategory b) {
if (a.id >= 0 && b.id >= 0)
return a.title.toUpperCase().compareTo(b.title.toUpperCase());
else
return a.id - b.id;
}
}
@SuppressLint("DefaultLocale")
class CatOrderComparator implements Comparator<FeedCategory> {
@Override
public int compare(FeedCategory a, FeedCategory b) {
if (a.id >= 0 && b.id >= 0)
if (a.order_id != 0 && b.order_id != 0)
return a.order_id - b.order_id;
else
return a.title.toUpperCase().compareTo(b.title.toUpperCase());
else
return a.id - b.id;
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
.getMenuInfo();
switch (item.getItemId()) {
case R.id.browse_headlines:
if (true) {
FeedCategory cat = getCategoryAtPosition(info.position);
if (cat != null) {
m_activity.onCatSelected(cat, true);
//setSelectedCategory(cat);
}
}
return true;
case R.id.browse_feeds:
if (true) {
FeedCategory cat = getCategoryAtPosition(info.position);
if (cat != null) {
m_activity.onCatSelected(cat, false);
//cf.setSelectedCategory(cat);
}
}
return true;
case R.id.create_shortcut:
if (true) {
FeedCategory cat = getCategoryAtPosition(info.position);
if (cat != null) {
m_activity.createCategoryShortcut(cat);
//cf.setSelectedCategory(cat);
}
}
return true;
case R.id.catchup_category:
if (true) {
final FeedCategory cat = getCategoryAtPosition(info.position);
if (cat != null) {
if (m_prefs.getBoolean("confirm_headlines_catchup", true)) {
AlertDialog.Builder builder = new AlertDialog.Builder(
m_activity)
.setMessage(getString(R.string.context_confirm_catchup, cat.title))
.setPositiveButton(R.string.catchup,
new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
m_activity.catchupFeed(new Feed(cat.id, cat.title, true));
}
})
.setNegativeButton(R.string.dialog_cancel,
new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog,
int which) {
}
});
AlertDialog dlg = builder.create();
dlg.show();
} else {
m_activity.catchupFeed(new Feed(cat.id, cat.title, true));
}
}
}
return true;
default:
Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId());
return super.onContextItemSelected(item);
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
m_activity.getMenuInflater().inflate(R.menu.context_category, menu);
AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
FeedCategory cat = (FeedCategory) m_list.getItemAtPosition(info.position);
if (cat != null)
menu.setHeaderTitle(cat.title);
super.onCreateContextMenu(menu, v, menuInfo);
}
public FeedCategory getCategoryAtPosition(int position) {
try {
return (FeedCategory) m_list.getItemAtPosition(position);
} catch (NullPointerException e) {
return null;
} catch (IndexOutOfBoundsException e) {
return null;
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_selectedCat = savedInstanceState.getParcelable("selectedCat");
//m_cats = savedInstanceState.getParcelable("cats");
}
View view = inflater.inflate(R.layout.fragment_cats, container, false);
m_swipeLayout = (SwipeRefreshLayout) view.findViewById(R.id.feeds_swipe_container);
m_swipeLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
refresh();
}
});
m_list = (ListView)view.findViewById(R.id.feeds);
m_adapter = new FeedCategoryListAdapter(getActivity(), R.layout.feeds_row, (ArrayList<FeedCategory>)m_cats);
initDrawerHeader(inflater, view, m_list, m_activity, m_prefs, true);
m_list.setAdapter(m_adapter);
m_list.setOnItemClickListener(this);
registerForContextMenu(m_list);
return view;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_activity = (MasterActivity)activity;
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
m_prefs.registerOnSharedPreferenceChangeListener(this);
}
@Override
public void onResume() {
super.onResume();
getLoaderManager().initLoader(0, null, this).forceLoad();
m_activity.invalidateOptionsMenu();
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.setClassLoader(getClass().getClassLoader());
out.putParcelable("selectedCat", m_selectedCat);
//out.putParcelable("cats", m_cats);
}
public void refresh() {
if (!isAdded()) return;
if (m_swipeLayout != null) {
m_swipeLayout.setRefreshing(true);
}
getLoaderManager().restartLoader(0, null, this).forceLoad();
}
private class FeedCategoryListAdapter extends ArrayAdapter<FeedCategory> {
private ArrayList<FeedCategory> items;
public static final int VIEW_NORMAL = 0;
public static final int VIEW_SELECTED = 1;
public static final int VIEW_COUNT = VIEW_SELECTED+1;
public FeedCategoryListAdapter(Context context, int textViewResourceId, ArrayList<FeedCategory> items) {
super(context, textViewResourceId, items);
this.items = items;
}
public int getViewTypeCount() {
return VIEW_COUNT;
}
@Override
public int getItemViewType(int position) {
FeedCategory cat = items.get(position);
if (/*!m_activity.isSmallScreen() &&*/ m_selectedCat != null && cat.id == m_selectedCat.id) {
return VIEW_SELECTED;
} else {
return VIEW_NORMAL;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
FeedCategory cat = items.get(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);
}
ImageView icon = (ImageView) v.findViewById(R.id.icon);
if (icon != null) {
TypedValue tv = new TypedValue();
m_activity.getTheme().resolveAttribute(R.attr.ic_folder_outline, tv, true);
icon.setImageResource(tv.resourceId);
}
TextView tt = (TextView) v.findViewById(R.id.title);
if (tt != null) {
tt.setText(cat.title);
}
TextView tu = (TextView) v.findViewById(R.id.unread_counter);
if (tu != null) {
tu.setText(String.valueOf(cat.unread));
tu.setVisibility((cat.unread > 0) ? View.VISIBLE : View.INVISIBLE);
}
/*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;
}
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
sortCats();
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)av;
Log.d(TAG, "onItemClick=" + position);
if (list != null) {
FeedCategory cat = (FeedCategory)list.getItemAtPosition(position);
m_selectedCat = null;
m_adapter.notifyDataSetChanged();
if (cat != null) {
if (cat.id < 0) {
m_activity.onCatSelected(cat, false);
} else {
m_activity.onCatSelected(cat);
}
}
}
}
public void setSelectedCategory(FeedCategory cat) {
m_selectedCat = cat;
if (m_adapter != null) {
m_adapter.notifyDataSetChanged();
}
}
}