package de.blau.android.dialogs;
import android.app.Activity;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AlertDialog.Builder;
import android.support.v7.app.AppCompatDialog;
import android.util.Log;
import de.blau.android.Main;
import de.blau.android.R;
import de.blau.android.listener.ConfirmUploadListener;
import de.blau.android.listener.DoNothingListener;
import de.blau.android.listener.DownloadCurrentListener;
import de.blau.android.util.ThemeUtils;
/**
* Display a dialog asking for confirmation before starting an activity that might result in data loss.
*
*/
public class DownloadCurrentWithChanges extends DialogFragment
{
private static final String DEBUG_TAG = DownloadCurrentWithChanges.class.getSimpleName();
private static final String TAG = "fragment_newversion";
/**
*/
static public void showDialog(FragmentActivity activity) {
dismissDialog(activity);
FragmentManager fm = activity.getSupportFragmentManager();
DownloadCurrentWithChanges downloadCurrentWithChangesFragment = newInstance();
if (downloadCurrentWithChangesFragment != null) {
downloadCurrentWithChangesFragment.show(fm, TAG);
} else {
Log.e(DEBUG_TAG,"Unable to create new version dialog ");
}
}
private static void dismissDialog(FragmentActivity activity) {
FragmentManager fm = activity.getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
Fragment fragment = fm.findFragmentByTag(TAG);
if (fragment != null) {
ft.remove(fragment);
}
ft.commit();
}
/**
*/
static private DownloadCurrentWithChanges newInstance() {
DownloadCurrentWithChanges f = new DownloadCurrentWithChanges();
f.setShowsDialog(true);
return f;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
Log.d(DEBUG_TAG, "onAttach");
if (!(activity instanceof Main)) {
throw new ClassCastException(activity.toString() + " can ownly be called from Main");
}
}
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setCancelable(true);
}
@NonNull
@Override
public AppCompatDialog onCreateDialog(Bundle savedInstanceState)
{
Builder builder = new AlertDialog.Builder(getActivity());
builder.setIcon(ThemeUtils.getResIdFromAttribute(getActivity(),R.attr.alert_dialog));
builder.setTitle(R.string.transfer_download_current_dialog_title);
builder.setMessage(R.string.transfer_download_current_dialog_message);
DoNothingListener doNothingListener = new DoNothingListener();
builder.setPositiveButton(R.string.transfer_download_current_upload,
new ConfirmUploadListener((Main) getActivity()));
builder.setNeutralButton(R.string.transfer_download_current_back, doNothingListener);
builder.setNegativeButton(R.string.transfer_download_current_download,
new DownloadCurrentListener((Main) getActivity()));
return builder.create();
}
}