2 * Copyright © 2018 Damyan Ivanov.
3 * This file is part of Mobile-Ledger.
4 * Mobile-Ledger is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * Mobile-Ledger is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger;
20 import android.annotation.TargetApi;
21 import android.app.DatePickerDialog;
22 import android.app.Dialog;
23 import android.os.Build;
24 import android.os.Bundle;
25 import android.support.annotation.NonNull;
26 import android.support.v7.app.AppCompatDialogFragment;
27 import android.widget.DatePicker;
28 import android.widget.TextView;
30 import java.util.Calendar;
31 import java.util.GregorianCalendar;
32 import java.util.Locale;
33 import java.util.Objects;
34 import java.util.regex.Matcher;
35 import java.util.regex.Pattern;
37 public class DatePickerFragment extends AppCompatDialogFragment
38 implements DatePickerDialog.OnDateSetListener, DatePicker.OnDateChangedListener
42 public Dialog onCreateDialog(Bundle savedInstanceState) {
43 final Calendar c = GregorianCalendar.getInstance();
44 int year = c.get(GregorianCalendar.YEAR);
45 int month = c.get(GregorianCalendar.MONTH);
46 int day = c.get(GregorianCalendar.DAY_OF_MONTH);
47 TextView date = Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
49 CharSequence present = date.getText();
51 Pattern re_mon_day = Pattern.compile("^\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
52 Matcher m_mon_day = re_mon_day.matcher(present);
54 if (m_mon_day.matches()) {
55 month = Integer.parseInt(m_mon_day.group(1))-1;
56 day = Integer.parseInt(m_mon_day.group(2));
59 Pattern re_day = Pattern.compile("^\\s*(\\d{1,2})\\s*$");
60 Matcher m_day = re_day.matcher(present);
61 if (m_day.matches()) {
62 day = Integer.parseInt(m_day.group(1));
66 DatePickerDialog dpd = new DatePickerDialog(Objects.requireNonNull(getActivity()), this, year, month, day);
67 // quicker date selection available in API 26
68 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
69 DatePicker dp = dpd.getDatePicker();
70 dp.setOnDateChangedListener(this);
76 @TargetApi(Build.VERSION_CODES.O)
77 public void onDateSet(DatePicker view, int year, int month, int day) {
78 TextView date = Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
80 final Calendar c = GregorianCalendar.getInstance();
81 if ( c.get(GregorianCalendar.YEAR) == year && c.get(GregorianCalendar.MONTH) == month) {
82 date.setText(String.format(Locale.US, "%d", day));
85 date.setText(String.format(Locale.US, "%d/%d", month+1, day));
88 TextView description = Objects.requireNonNull(getActivity())
89 .findViewById(R.id.new_transaction_description);
90 description.requestFocus();
94 public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
95 TextView date = Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
97 final Calendar c = GregorianCalendar.getInstance();
98 if ( c.get(GregorianCalendar.YEAR) == year && c.get(GregorianCalendar.MONTH) == monthOfYear) {
99 date.setText(String.format(Locale.US, "%d", dayOfMonth));
102 date.setText(String.format(Locale.US, "%d/%d", monthOfYear+1, dayOfMonth));
105 TextView description = Objects.requireNonNull(getActivity())
106 .findViewById(R.id.new_transaction_description);
107 description.requestFocus();