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/*
* Copyright (C) 2012 The CyanogenMod Project (DvTonder)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.cyanogenmod.lockclock.preference;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.EditTextPreference;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import com.cyanogenmod.lockclock.R;
import com.cyanogenmod.lockclock.misc.Preferences;
import com.cyanogenmod.lockclock.weather.WeatherProvider.LocationResult;
import java.util.HashSet;
import java.util.List;
public class CustomLocationPreference extends EditTextPreference {
public CustomLocationPreference(Context context) {
super(context);
}
public CustomLocationPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomLocationPreference(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected void showDialog(Bundle state) {
super.showDialog(state);
final AlertDialog d = (AlertDialog) getDialog();
Button okButton = d.getButton(DialogInterface.BUTTON_POSITIVE);
okButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
CustomLocationPreference.this.onClick(d, DialogInterface.BUTTON_POSITIVE);
new WeatherLocationTask(d, getEditText().getText().toString()).execute();
}
});
}
@Override
protected void onBindDialogView(View view) {
super.onBindDialogView(view);
String location = Preferences.customWeatherLocationCity(getContext());
if (location != null) {
getEditText().setText(location);
getEditText().setSelection(location.length());
}
}
@Override
protected void onDialogClosed(boolean positiveResult) {
// we handle persisting the selected location below, so pretend cancel
super.onDialogClosed(false);
}
private class WeatherLocationTask extends AsyncTask<Void, Void, List<LocationResult>> {
private Dialog mDialog;
private ProgressDialog mProgressDialog;
private String mLocation;
public WeatherLocationTask(Dialog dialog, String location) {
mDialog = dialog;
mLocation = location;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
final Context context = getContext();
mProgressDialog = new ProgressDialog(context);
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mProgressDialog.setMessage(context.getString(R.string.weather_progress_title));
mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
cancel(true);
}
});
mProgressDialog.show();
}
@Override
protected List<LocationResult> doInBackground(Void... input) {
return Preferences.weatherProvider(getContext()).getLocations(mLocation);
}
@Override
protected void onPostExecute(List<LocationResult> results) {
super.onPostExecute(results);
final Context context = getContext();
if (results == null || results.isEmpty()) {
Toast.makeText(context,
context.getString(R.string.weather_retrieve_location_dialog_title),
Toast.LENGTH_SHORT)
.show();
} else if (results.size() > 1) {
handleResultDisambiguation(results);
} else {
applyLocation(results.get(0));
}
mProgressDialog.dismiss();
}
private void handleResultDisambiguation(final List<LocationResult> results) {
CharSequence[] items = buildItemList(results);
new AlertDialog.Builder(getContext())
.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
applyLocation(results.get(which));
dialog.dismiss();
}
})
.setNegativeButton(android.R.string.cancel, null)
.setTitle(R.string.weather_select_location)
.show();
}
private CharSequence[] buildItemList(List<LocationResult> results) {
boolean needCountry = false, needPostal = false;
String countryId = results.get(0).countryId;
HashSet<String> postalIds = new HashSet<String>();
for (LocationResult result : results) {
if (!TextUtils.equals(result.countryId, countryId)) {
needCountry = true;
}
String postalId = result.countryId + "##" + result.city;
if (postalIds.contains(postalId)) {
needPostal = true;
}
postalIds.add(postalId);
if (needPostal && needCountry) {
break;
}
}
int count = results.size();
CharSequence[] items = new CharSequence[count];
for (int i = 0; i < count; i++) {
LocationResult result = results.get(i);
StringBuilder builder = new StringBuilder();
if (needPostal && result.postal != null) {
builder.append(result.postal).append(" ");
}
builder.append(result.city);
if (needCountry) {
String country = result.country != null
? result.country : result.countryId;
builder.append(" (").append(country).append(")");
}
items[i] = builder.toString();
}
return items;
}
private void applyLocation(final LocationResult result) {
Preferences.setCustomWeatherLocationId(getContext(), result.id);
setText(result.city);
mDialog.dismiss();
}
}
}
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