package de.digisocken.anotherrss;
import android.app.ListFragment;
import android.app.LoaderManager;
import android.content.ContentValues;
import android.content.CursorLoader;
import android.content.Intent;
import android.content.Loader;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
/**
* Dieser "ListView" nutzt einen {@link FeedCursorAdapter} zur Darstellung der Feeds und
* bezieht die Feeds über den CursorLoader, der {@link FeedContentProvider} nutzt.
*/
public class FeedListFragment extends ListFragment implements LoaderManager.LoaderCallbacks<Cursor> {
private FeedCursorAdapter adapter;
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo)menuInfo;
Cursor c = (Cursor) adapter.getItem(info.position);
// first item!!
int flagVal = c.getInt(c.getColumnIndex(FeedContract.Feeds.COLUMN_Flag));
if (flagVal == FeedContract.Flag.FAVORITE) {
menu.add(R.string.nofavorite);
} else {
menu.add(R.string.favorite);
}
MenuInflater inflater = getActivity().getMenuInflater();
inflater.inflate(R.menu.item_context, menu);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
new ContextTask().execute(item);
return super.onContextItemSelected(item);
}
/**
* In dieser Methode wird ein Trick genutzt, um einen selbst definierten <b>emptyView</b> für
* die ListView zu nutzen. Andere Stellen zur Festlegung dieses Views sind nicht möglich.
*
* @param savedInstanceState
*/
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
registerForContextMenu(getListView());
View emptyView = getActivity().getLayoutInflater().inflate(R.layout.empty_view, null);
((ViewGroup)getListView().getParent()).addView(emptyView);
getListView().setEmptyView(emptyView);
getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
Cursor c = (Cursor) adapter.getItem(position);
long id = c.getInt(c.getColumnIndex(FeedContract.Feeds._ID));
Uri uri = Uri.parse(FeedContentProvider.CONTENT_URI + "/" + id);
int flagVal = c.getInt(c.getColumnIndex(FeedContract.Feeds.COLUMN_Flag));
String link = c.getString(c.getColumnIndex(FeedContract.Feeds.COLUMN_Link));
ContentValues values = new ContentValues();
SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(AnotherRSS.getContextOfApplication());
String tap_mode = pref.getString("tap_mode", "intern");
if (tap_mode.equals("intern") || tap_mode.equals("extern")) {
if (flagVal == FeedContract.Flag.NEW || flagVal == FeedContract.Flag.FAVORITE) {
// if unreaded or marked:
// -> mark readed +
// -> open in browser
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.READED);
getActivity().getContentResolver().update(uri, values, null, null);
if (tap_mode.equals("intern")) {
((MainActivity) getActivity()).setMediaView(link);
} else {
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(link));
startActivity(i);
}
} else if (flagVal == FeedContract.Flag.READED) {
// if readed
// -> mark
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.FAVORITE);
getActivity().getContentResolver().update(uri, values, null, null);
}
} else if (tap_mode.equals("readed")) {
if (flagVal == FeedContract.Flag.NEW) {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.READED);
} else {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.NEW);
}
getActivity().getContentResolver().update(uri, values, null, null);
} else if (tap_mode.equals("marked")) {
if (flagVal == FeedContract.Flag.FAVORITE) {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.NEW);
} else {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.FAVORITE);
}
getActivity().getContentResolver().update(uri, values, null, null);
}
}
});
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View layout = inflater.inflate(R.layout.fragment_feedlist, container, false);
getLoaderManager().initLoader(0, null, this);
adapter = new FeedCursorAdapter(getActivity(), null, 0);
setListAdapter(adapter);
return layout;
}
/**
* Holt die Feeds für die LiestView aus der DB.
* Hier Wird DEFAULT_SELECTION von {@link FeedContract} genutzt sowie
* weitere Konstanten, damit gelöschte Feeds nicht gezeigt und die
* Feeds nach Datum sortiert sind.
*
* @param LoaderId
* @param bundle
* @return
*/
@Override
public Loader<Cursor> onCreateLoader(int LoaderId, Bundle bundle) {
if (!AnotherRSS.query.equals("")) {
return new CursorLoader(
getActivity(),
FeedContentProvider.CONTENT_URI,
FeedContract.projection,
FeedContract.SELECTION_SEARCH,
FeedContract.searchArgs(AnotherRSS.query),
FeedContract.DEFAULT_SORTORDER
);
}
if (AnotherRSS.showAdditionalFeed) {
return new CursorLoader(
getActivity(),
FeedContentProvider.CONTENT_URI,
FeedContract.projection,
FeedContract.DEFAULT_SELECTION_ADD,
FeedContract.DEFAULT_SELECTION_ARGS_ADD,
FeedContract.DEFAULT_SORTORDER
);
} else {
return new CursorLoader(
getActivity(),
FeedContentProvider.CONTENT_URI,
FeedContract.projection,
FeedContract.DEFAULT_SELECTION,
FeedContract.DEFAULT_SELECTION_ARGS,
FeedContract.DEFAULT_SORTORDER
);
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
adapter.swapCursor(data);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
adapter.swapCursor(null);
}
private class ContextTask extends AsyncTask<MenuItem, Void, String> {
@Override
protected String doInBackground(MenuItem... params) {
MenuItem item = params[0];
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
long id = info.id;
Cursor c = (Cursor) adapter.getItem(info.position);
Uri uri = Uri.parse(FeedContentProvider.CONTENT_URI + "/" + id);
int flagVal = c.getInt(c.getColumnIndex(FeedContract.Feeds.COLUMN_Flag));
ContentValues values = new ContentValues();
String link, title, body;
switch (item.getItemId()) {
case R.id.action_openFeed:
link = c.getString(c.getColumnIndex(FeedContract.Feeds.COLUMN_Link));
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(link));
startActivity(i);
return null;
case R.id.action_readedFeed:
if (flagVal == FeedContract.Flag.NEW) {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.READED);
} else {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.NEW);
}
getActivity().getContentResolver().update(uri, values, null, null);
return null;
case R.id.action_deleteFeed:
title = c.getString(c.getColumnIndex(FeedContract.Feeds.COLUMN_Title));
values.put(FeedContract.Feeds.COLUMN_Deleted, FeedContract.Flag.DELETED);
getActivity().getContentResolver().update(uri, values, null, null);
return title + "\n" + getString(R.string.deleted);
case R.id.action_share:
title = c.getString(c.getColumnIndex(FeedContract.Feeds.COLUMN_Title));
body = c.getString(c.getColumnIndex(FeedContract.Feeds.COLUMN_Body));
title = FeedContract.removeHtml(title);
body = FeedContract.removeHtml(body);
body = title.toUpperCase() +
"\n" + body + "\n" +
c.getString(c.getColumnIndex(FeedContract.Feeds.COLUMN_Link));
Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
sharingIntent.setType("text/plain");
sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, title);
sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, body);
startActivity(Intent.createChooser(sharingIntent, getString(R.string.share)));
return null;
case 0: // first item!!
if (flagVal == FeedContract.Flag.FAVORITE) {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.NEW);
} else {
values.put(FeedContract.Feeds.COLUMN_Flag, FeedContract.Flag.FAVORITE);
}
getActivity().getContentResolver().update(uri, values, null, null);
return null;
default:
return null;
}
}
@Override
protected void onPostExecute(String msg) {
if (msg != null) {
Toast.makeText(getActivity(), msg, Toast.LENGTH_SHORT).show();
}
}
}
}
