/*
* Geopaparazzi - Digital field mapping on Android based devices
* Copyright (C) 2016 HydroloGIS (www.hydrologis.com)
*
* 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 eu.geopaparazzi.core.ui.dialogs;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import eu.geopaparazzi.library.core.ResourcesManager;
import eu.geopaparazzi.library.database.GPLog;
import eu.geopaparazzi.library.gpx.GpxExport;
import eu.geopaparazzi.library.gpx.GpxRepresenter;
import eu.geopaparazzi.library.util.FileTypes;
import eu.geopaparazzi.library.util.TimeUtilities;
import eu.geopaparazzi.core.R;
import eu.geopaparazzi.core.database.DaoGpsLog;
import eu.geopaparazzi.core.database.DaoNotes;
import eu.geopaparazzi.core.database.objects.Line;
import eu.geopaparazzi.core.database.objects.Note;
/**
* Dialog for gpx files export.
*
* @author Andrea Antonello
*/
public class GpxExportDialogFragment extends DialogFragment {
public static final String NODATA = "NODATA";
public static final String GPX_PATH = "exportPath";
public static final String INTERRUPTED = "INTERRUPTED";
private ProgressBar progressBar;
private String exportPath;
private boolean isInterrupted = false;
private AlertDialog alertDialog;
private Button positiveButton;
/**
* Create a dialog instance.
*
* @param exportPath an optional path to which to export the gpx to. If null, a default path is chosen.
* @return the instance.
*/
public static GpxExportDialogFragment newInstance(String exportPath) {
GpxExportDialogFragment f = new GpxExportDialogFragment();
Bundle args = new Bundle();
args.putString(GPX_PATH, exportPath);
f.setArguments(args);
return f;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
exportPath = getArguments().getString(GPX_PATH);
}
@Override
public Dialog onCreateDialog(Bundle bundle) {
AlertDialog.Builder builder =
new AlertDialog.Builder(getActivity());
View gpsinfoDialogView = getActivity().getLayoutInflater().inflate(
R.layout.fragment_dialog_progressbar, null);
builder.setView(gpsinfoDialogView);
builder.setMessage(R.string.exporting_data_to_gpx);
progressBar = (ProgressBar) gpsinfoDialogView.findViewById(
R.id.progressBar);
builder.setNegativeButton(android.R.string.cancel,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
isInterrupted = true;
}
}
);
builder.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
}
}
);
progressBar.setIndeterminate(true);
alertDialog = builder.create();
return alertDialog;
}
private void startExport() {
final Context context = getContext();
new AsyncTask<String, Void, String>() {
protected String doInBackground(String... params) {
try {
List<GpxRepresenter> gpxRepresenterList = new ArrayList<>();
boolean hasAtLeastOne = false;
/*
* add gps logs
*/
HashMap<Long, Line> linesMap = DaoGpsLog.getLinesMap();
Collection<Line> linesCollection = linesMap.values();
for (Line line : linesCollection) {
if (isInterrupted) break;
gpxRepresenterList.add(line);
hasAtLeastOne = true;
}
/*
* get notes
*/
List<Note> notesList = DaoNotes.getNotesList(null, false);
for (Note note : notesList) {
if (isInterrupted) break;
gpxRepresenterList.add(note);
hasAtLeastOne = true;
}
if (!hasAtLeastOne) {
return NODATA;
}
if (isInterrupted) return INTERRUPTED;
File gpxExportDir = ResourcesManager.getInstance(getActivity()).getSdcardDir();
String filename = "geopaparazzi_" + TimeUtilities.INSTANCE.TIMESTAMPFORMATTER_LOCAL.format(new Date()) + "." + FileTypes.GPX.getExtension();
File gpxOutputFile = new File(gpxExportDir, filename);
if (exportPath != null) {
gpxOutputFile = new File(exportPath);
}
GpxExport export = new GpxExport(null, gpxOutputFile);
export.export(getActivity(), gpxRepresenterList);
return gpxOutputFile.getAbsolutePath();
} catch (Exception e) {
GPLog.error(this, e.getLocalizedMessage(), e);
return null;
}
}
protected void onPostExecute(String response) { // on UI thread!
progressBar.setVisibility(View.GONE);
if (response.equals(NODATA)) {
String msg = context.getString(R.string.no_data_found_in_project_to_export);
alertDialog.setMessage(msg);
positiveButton.setEnabled(true);
} else if (response.equals(INTERRUPTED)) {
alertDialog.setMessage("Interrupted by user");
positiveButton.setEnabled(true);
} else if (response.length() > 0) {
String msg = context.getString(R.string.datasaved) + response;
alertDialog.setMessage(msg);
positiveButton.setEnabled(true);
} else {
String msg = context.getString(R.string.data_nonsaved);
alertDialog.setMessage(msg);
positiveButton.setEnabled(true);
}
}
}.execute((String) null);
}
public void onStart() {
super.onStart();
AlertDialog d = (AlertDialog) getDialog();
if (d != null) {
positiveButton = d.getButton(Dialog.BUTTON_POSITIVE);
positiveButton.setEnabled(false);
}
startExport();
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onDetach() {
super.onDetach();
}
}