/*
* 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.preferences;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.TypedArray;
import android.preference.DialogPreference;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Spinner;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.TreeSet;
import eu.geopaparazzi.library.database.GPLog;
import eu.geopaparazzi.library.core.ResourcesManager;
import eu.geopaparazzi.library.core.activities.DirectoryBrowserActivity;
import eu.geopaparazzi.core.R;
/**
* A custom sdcard path chooser.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class CustomMapsPathPreference extends DialogPreference implements View.OnClickListener,
SharedPreferences.OnSharedPreferenceChangeListener {
private static final String USER_MAPS_PATHS = "USER_MAPS_PATHS";
public static final String PREFS_KEY_CUSTOM_MAPSFOLDER = "PREFS_KEY_CUSTOM_MAPSFOLDER";
private Context context;
private String customPath = ""; //$NON-NLS-1$
private Spinner guessedPathsSpinner;
private List<String> mapsFoldersList = new ArrayList<>();
/**
* @param ctxt the context to use.
* @param attrs attributes.
*/
public CustomMapsPathPreference(Context ctxt, AttributeSet attrs) {
super(ctxt, attrs);
this.context = ctxt;
setPositiveButtonText(ctxt.getString(android.R.string.ok));
setNegativeButtonText(ctxt.getString(android.R.string.cancel));
}
@Override
protected View onCreateDialogView() {
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
preferences.registerOnSharedPreferenceChangeListener(this);
LinearLayout mainLayout = new LinearLayout(context);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT);
mainLayout.setLayoutParams(layoutParams);
mainLayout.setOrientation(LinearLayout.VERTICAL);
LayoutInflater layoutInflater = LayoutInflater.from(context);
View preferencesLayout = layoutInflater.inflate(R.layout.preferences_sdcard, mainLayout);
guessedPathsSpinner = (Spinner) preferencesLayout.findViewById(R.id.customsdcardPathsSpinner);
Button browseButton = (Button) preferencesLayout.findViewById(R.id.chooseCustomSdcardButton);
browseButton.setOnClickListener(this);
refresh();
return mainLayout;
}
private TreeSet<String> toSet(String paths) {
TreeSet<String> set = new TreeSet<>();
String[] pathSplit = paths.split(";");
for (String path : pathSplit) {
File file = new File(path.trim());
if (file.exists() && file.isDirectory()) {
set.add(file.getAbsolutePath());
}
}
return set;
}
private String toString(TreeSet<String> set) {
StringBuilder sb = new StringBuilder();
for (String path : set) {
sb.append(";").append(path);
}
if (sb.length() < 1) {
return "";
}
return sb.substring(1);
}
private void refresh() {
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
String paths = preferences.getString(USER_MAPS_PATHS, "");
TreeSet<String> pathSet = toSet(paths);
File file = new File(customPath.trim());
if (file.exists() && file.isDirectory())
pathSet.add(file.getAbsolutePath());
// add to preferences
String prefString = toString(pathSet);
SharedPreferences.Editor editor = preferences.edit();
editor.putString(USER_MAPS_PATHS, prefString);
editor.apply();
mapsFoldersList.clear();
mapsFoldersList.addAll(pathSet);
ArrayAdapter<String> adapter = new ArrayAdapter<>(context, android.R.layout.simple_spinner_item, mapsFoldersList);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
guessedPathsSpinner.setAdapter(adapter);
if (customPath != null) {
file = new File(customPath.trim());
for (int i = 0; i < mapsFoldersList.size(); i++) {
if (mapsFoldersList.get(i).equals(file.getAbsolutePath())) {
guessedPathsSpinner.setSelection(i);
break;
}
}
}
}
@Override
protected void onBindDialogView(View v) {
super.onBindDialogView(v);
if (customPath != null) {
File file = new File(customPath.trim());
for (int i = 0; i < mapsFoldersList.size(); i++) {
if (mapsFoldersList.get(i).equals(file.getAbsolutePath())) {
guessedPathsSpinner.setSelection(i);
break;
}
}
}
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult) {
customPath = guessedPathsSpinner.getSelectedItem().toString();
if (callChangeListener(customPath)) {
persistString(customPath);
}
}
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
preferences.unregisterOnSharedPreferenceChangeListener(this);
}
@Override
protected Object onGetDefaultValue(TypedArray a, int index) {
return (a.getString(index));
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
if (restoreValue) {
if (defaultValue == null) {
customPath = getPersistedString(""); //$NON-NLS-1$
} else {
customPath = getPersistedString(defaultValue.toString());
}
} else {
customPath = defaultValue.toString();
}
}
@Override
public void onClick(View view) {
try {
File sdcardDir = ResourcesManager.getInstance(getContext()).getSdcardDir();
Intent browseIntent = new Intent(getContext(), DirectoryBrowserActivity.class);
browseIntent.putExtra(DirectoryBrowserActivity.PUT_PATH_PREFERENCE, PREFS_KEY_CUSTOM_MAPSFOLDER);
browseIntent.putExtra(DirectoryBrowserActivity.DOFOLDER, true);
browseIntent.putExtra(DirectoryBrowserActivity.STARTFOLDERPATH, sdcardDir.getAbsolutePath());
context.startActivity(browseIntent);
} catch (Exception e) {
GPLog.error(this, null, e); //$NON-NLS-1$
}
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if (key.equals(PREFS_KEY_CUSTOM_MAPSFOLDER)) {
String path = sharedPreferences.getString(PREFS_KEY_CUSTOM_MAPSFOLDER, "");
File file = new File(path.trim());
if (file.exists()) {
customPath = file.getAbsolutePath();
}
refresh();
}
}
}