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etesync-android/app/src/main/java/at/bitfire/davdroid/ui/DeleteCollectionFragment.java

171 lines
6.2 KiB

/*
* Copyright © 2013 2016 Ricki Hirner (bitfire web engineering).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*/
package at.bitfire.davdroid.ui;
import android.accounts.Account;
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.AsyncTaskLoader;
import android.support.v4.content.Loader;
import android.support.v7.app.AlertDialog;
import android.text.TextUtils;
import java.io.IOException;
import at.bitfire.dav4android.DavResource;
import at.bitfire.dav4android.exception.HttpException;
import at.bitfire.davdroid.HttpClient;
import at.bitfire.davdroid.R;
import at.bitfire.davdroid.model.CollectionInfo;
import at.bitfire.davdroid.model.ServiceDB;
import okhttp3.HttpUrl;
import okhttp3.OkHttpClient;
public class DeleteCollectionFragment extends DialogFragment implements LoaderManager.LoaderCallbacks<Exception> {
protected static final String
ARG_ACCOUNT = "account",
ARG_COLLECTION_INFO = "collectionInfo";
protected Account account;
protected CollectionInfo collectionInfo;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getLoaderManager().initLoader(0, getArguments(), this);
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Dialog dialog = new ProgressDialog.Builder(getContext())
.setTitle(R.string.delete_collection_deleting_collection)
.setMessage(R.string.please_wait)
.create();
setCancelable(false);
return dialog;
}
@Override
public Loader<Exception> onCreateLoader(int id, Bundle args) {
account = args.getParcelable(ARG_ACCOUNT);
collectionInfo = (CollectionInfo)args.getSerializable(ARG_COLLECTION_INFO);
return new DeleteCollectionLoader(getContext(), account, collectionInfo);
}
@Override
public void onLoadFinished(Loader loader, Exception exception) {
dismissAllowingStateLoss();
if (exception != null)
getFragmentManager().beginTransaction()
.add(ExceptionInfoFragment.newInstance(exception, account), null)
.commitAllowingStateLoss();
else {
Activity activity = getActivity();
if (activity instanceof AccountActivity)
((AccountActivity)activity).reload();
}
}
@Override
public void onLoaderReset(Loader loader) {
}
protected static class DeleteCollectionLoader extends AsyncTaskLoader<Exception> {
final Account account;
final CollectionInfo collectionInfo;
final ServiceDB.OpenHelper dbHelper;
public DeleteCollectionLoader(Context context, Account account, CollectionInfo collectionInfo) {
super(context);
this.account = account;
this.collectionInfo = collectionInfo;
dbHelper = new ServiceDB.OpenHelper(getContext());
}
@Override
protected void onStartLoading() {
forceLoad();
}
@Override
public Exception loadInBackground() {
OkHttpClient httpClient = HttpClient.create(getContext(), account);
DavResource collection = new DavResource(httpClient, HttpUrl.parse(collectionInfo.url));
try {
// delete collection from server
collection.delete(null);
// delete collection locally
SQLiteDatabase db = dbHelper.getWritableDatabase();
db.delete(ServiceDB.Collections._TABLE, ServiceDB.Collections.ID + "=?", new String[] { String.valueOf(collectionInfo.id) });
return null;
} catch (IOException|HttpException e) {
return e;
} finally {
dbHelper.close();
}
}
}
public static class ConfirmDeleteCollectionFragment extends DialogFragment {
public static ConfirmDeleteCollectionFragment newInstance(Account account, CollectionInfo collectionInfo) {
ConfirmDeleteCollectionFragment frag = new ConfirmDeleteCollectionFragment();
Bundle args = new Bundle(2);
args.putParcelable(ARG_ACCOUNT, account);
args.putSerializable(ARG_COLLECTION_INFO, collectionInfo);
frag.setArguments(args);
return frag;
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
CollectionInfo collectionInfo = (CollectionInfo)getArguments().getSerializable(ARG_COLLECTION_INFO);
String name = TextUtils.isEmpty(collectionInfo.displayName) ? collectionInfo.url : collectionInfo.displayName;
return new AlertDialog.Builder(getContext())
.setTitle(R.string.delete_collection_confirm_title)
.setMessage(getString(R.string.delete_collection_confirm_warning, name))
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
DialogFragment frag = new DeleteCollectionFragment();
frag.setArguments(getArguments());
frag.show(getFragmentManager(), null);
}
})
.setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dismiss();
}
})
.create();
}
}
}