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.ui;
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 net.ktnx.mobileledger.R;
32 import java.util.Calendar;
33 import java.util.GregorianCalendar;
34 import java.util.Locale;
35 import java.util.Objects;
36 import java.util.regex.Matcher;
37 import java.util.regex.Pattern;
39 public class DatePickerFragment extends AppCompatDialogFragment
40 implements DatePickerDialog.OnDateSetListener, DatePicker.OnDateChangedListener
44 public Dialog onCreateDialog(Bundle savedInstanceState) {
45 final Calendar c = GregorianCalendar.getInstance();
46 int year = c.get(GregorianCalendar.YEAR);
47 int month = c.get(GregorianCalendar.MONTH);
48 int day = c.get(GregorianCalendar.DAY_OF_MONTH);
49 TextView date = Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
51 CharSequence present = date.getText();
53 Pattern re_mon_day = Pattern.compile("^\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
54 Matcher m_mon_day = re_mon_day.matcher(present);
56 if (m_mon_day.matches()) {
57 month = Integer.parseInt(m_mon_day.group(1))-1;
58 day = Integer.parseInt(m_mon_day.group(2));
61 Pattern re_day = Pattern.compile("^\\s*(\\d{1,2})\\s*$");
62 Matcher m_day = re_day.matcher(present);
63 if (m_day.matches()) {
64 day = Integer.parseInt(m_day.group(1));
68 DatePickerDialog dpd = new DatePickerDialog(Objects.requireNonNull(getActivity()), this, year, month, day);
69 // quicker date selection available in API 26
70 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
71 DatePicker dp = dpd.getDatePicker();
72 dp.setOnDateChangedListener(this);
78 @TargetApi(Build.VERSION_CODES.O)
79 public void onDateSet(DatePicker view, int year, int month, int day) {
80 TextView date = Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
82 final Calendar c = GregorianCalendar.getInstance();
83 if ( c.get(GregorianCalendar.YEAR) == year && c.get(GregorianCalendar.MONTH) == month) {
84 date.setText(String.format(Locale.US, "%d", day));
87 date.setText(String.format(Locale.US, "%d/%d", month+1, day));
90 TextView description = Objects.requireNonNull(getActivity())
91 .findViewById(R.id.new_transaction_description);
92 description.requestFocus();
96 public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
97 TextView date = Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
99 final Calendar c = GregorianCalendar.getInstance();
100 if ( c.get(GregorianCalendar.YEAR) == year && c.get(GregorianCalendar.MONTH) == monthOfYear) {
101 date.setText(String.format(Locale.US, "%d", dayOfMonth));
104 date.setText(String.format(Locale.US, "%d/%d", monthOfYear+1, dayOfMonth));
107 TextView description = Objects.requireNonNull(getActivity())
108 .findViewById(R.id.new_transaction_description);
109 description.requestFocus();