/**
*
* This is OpenTraining, an Android application for planning your your fitness training.
* Copyright (C) 2012-2014 Christian Skubich
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package de.skubware.opentraining.activity.create_workout;
import java.io.File;
import java.io.FilenameFilter;
import java.util.HashSet;
import java.util.Set;
import de.skubware.opentraining.R;
import de.skubware.opentraining.basic.FitnessExercise;
import de.skubware.opentraining.basic.Workout;
import de.skubware.opentraining.db.DataProvider;
import de.skubware.opentraining.db.IDataProvider;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
/**
* Dialog Fragment that shows dialog when a {@link Workout} should be saved.
*
*
*/
public class DialogWorkoutOverviewFragment extends DialogFragment {
/** Tag for logging */
public static final String TAG = "DialogWorkoutOverviewFragment";
/** Argument ID */
private static String ARG_ID_WORKOUT = "workout";
/** Currently displayed {@link Workout}. */
Workout mWorkout;
/** EditText for the name of the {@link Workout}*/
private EditText mEditTextWorkoutName;
/** ListView with the {@link FitnessExercise}s */
private ListView mListView;
/**
* Create a new instance of DialogWorkoutOverviewFragment.
*/
static DialogWorkoutOverviewFragment newInstance(Workout workout) {
DialogWorkoutOverviewFragment f = new DialogWorkoutOverviewFragment();
Bundle args = new Bundle();
args.putSerializable(ARG_ID_WORKOUT, workout);
f.setArguments(args);
return f;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mWorkout = (Workout) getArguments().getSerializable(ARG_ID_WORKOUT);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
LayoutInflater inflater = LayoutInflater.from(getActivity());
final View v = inflater.inflate(R.layout.fragment_dialog_workout_overview, null);
mEditTextWorkoutName = (EditText) v.findViewById(R.id.edittext_workout_name);
mEditTextWorkoutName.setText(mWorkout.getName());
mListView = (ListView) v.findViewById(R.id.listview);
mListView.setAdapter(new ArrayAdapter<FitnessExercise>(getActivity(), android.R.layout.simple_list_item_1, android.R.id.text1,
mWorkout.getFitnessExercises()));
mListView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
final FitnessExercise fEx = (FitnessExercise) parent.getAdapter().getItem(position);
new AlertDialog.Builder(getActivity()).setTitle(getString(R.string.are_you_sure))
.setMessage(getString(R.string.really_remove_exercise).replace("EXERCISE_NAME", fEx.toString()))
.setPositiveButton(getString(android.R.string.ok), new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
removeExerciseFromWorkout(fEx);
dialog.dismiss();
}
}).setNegativeButton(getString(R.string.cancel), new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).create().show();
}
});
return new AlertDialog.Builder(getActivity()).setTitle(mWorkout.getName()).setView(v).setCancelable(true)
.setPositiveButton(getString(R.string.save_workout), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// check if name is empty
final String workoutName = mEditTextWorkoutName.getText().toString();
if (workoutName.equals("") || workoutName.replaceAll(" ", "").equals("")){
Toast.makeText(getActivity(), getString(R.string.workout_name_cannot_be_empty), Toast.LENGTH_LONG).show();
return;
}
// check if file already exists
if (fileAlreadyExists(workoutName)) {
showOverrideDialog();
return;
}
saveWorkout(getActivity());
}
}).setNegativeButton(getString(R.string.discard), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finishActivities(getActivity());
}
}).create();
}
/**
* Removes the exercise from the Workout and updates GUI & activities.
*/
@SuppressWarnings("rawtypes")
private void removeExerciseFromWorkout(FitnessExercise fEx) {
mWorkout.removeFitnessExercise(fEx);
((ArrayAdapter) mListView.getAdapter()).notifyDataSetChanged();
((ExerciseTypeListActivity) getActivity()).onWorkoutChanged(mWorkout);
}
private void saveWorkout(Activity activity){
if(mWorkout.getFitnessExercises().isEmpty()){
Log.w(TAG, "User tried to save an empty Workout. Will skip saving.");
finishActivities(activity);
return;
}
final String workoutName = mEditTextWorkoutName.getText().toString();
mWorkout.setName(workoutName);
// save Workout before exiting
IDataProvider dataProvider = new DataProvider(activity);
dataProvider.saveWorkout(mWorkout);
finishActivities(activity);
}
/**
* On small screens(only details are shown) the detail activity will be
* closed.
*/
private void continueAddingExercises() {
if (getActivity() instanceof ExerciseTypeDetailActivity) {
// close activity that contained the fragment with
// details
// to return the result to the list activity
getActivity().finish();
}
}
/**
* Finishes the Activities ExerciseTypeDetailActivity and
* ExerciseTypeListActivity .
*/
private void finishActivities(Activity activity) {
if (activity instanceof ExerciseTypeDetailActivity) {
// finish ExerciseTypeDetailActivity AND
// ExerciseTypeListActivity
activity.finishActivityFromChild(getActivity(), ExerciseTypeListActivity.RESULT_WORKOUT);
activity.finish();
} else {
// finish ExerciseTypeListActivity
activity.finish();
}
}
/**
* Shows a Dialog that asks the user if he really wants to override the
* existing {@link Workout}.
*/
private void showOverrideDialog(){
final Activity activity = getActivity();
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(R.string.workout_already_exists);
builder.setPositiveButton(R.string.override, new OnClickListener(){
@Override
public void onClick(DialogInterface arg0, int arg1) {
saveWorkout(activity);
}
});
builder.setNegativeButton(R.string.cancel, new OnClickListener(){
@Override
public void onClick(DialogInterface arg0, int arg1) {
continueAddingExercises();
}
});
builder.show();
}
/**
* Checks if a {@link Workout} file with the same name already exists.
*
* @param name
* The name to check
*
* @return true if there is already such a file
*/
private boolean fileAlreadyExists(String name) {
// list files in workout directory that end with ".xml"
String files[] = getActivity().getFilesDir().list(new FilenameFilter() {
@Override
public boolean accept(File dir, String filename) {
if (filename.endsWith(".xml"))
return true;
else
return false;
}
});
Set<String> workout_names = new HashSet<String>();
for (String s : files) {
workout_names.add(s.split(".xml")[0]);
}
return workout_names.contains(name);
}
}