2 * Copyright © 2019 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe 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 * MoLe 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 MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.ui;
20 import android.app.Dialog;
21 import android.os.Bundle;
22 import android.widget.CalendarView;
23 import android.widget.TextView;
25 import androidx.annotation.NonNull;
26 import androidx.appcompat.app.AppCompatDialogFragment;
28 import net.ktnx.mobileledger.R;
30 import java.util.Calendar;
31 import java.util.GregorianCalendar;
32 import java.util.Objects;
33 import java.util.regex.Matcher;
34 import java.util.regex.Pattern;
36 public class DatePickerFragment extends AppCompatDialogFragment
37 implements CalendarView.OnDateChangeListener {
38 static final Pattern reYMD = Pattern.compile("^\\s*(\\d+)\\d*/\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
39 static final Pattern reMD = Pattern.compile("^\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
40 static final Pattern reD = Pattern.compile("\\s*(\\d+)\\s*$");
41 private DatePickedListener onDatePickedListener;
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 long todayStamp = c.getTimeInMillis();
51 Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
53 CharSequence present = date.getText();
55 Matcher m = reYMD.matcher(present);
57 year = Integer.parseInt(m.group(1));
58 month = Integer.parseInt(m.group(2)) - 1; // month is 0-based
59 day = Integer.parseInt(m.group(3));
62 m = reMD.matcher(present);
64 month = Integer.parseInt(m.group(1)) - 1;
65 day = Integer.parseInt(m.group(2));
68 m = reD.matcher(present);
70 day = Integer.parseInt(m.group(1));
75 c.set(year, month, day);
77 Dialog dpd = new Dialog(Objects.requireNonNull(getActivity()));
78 dpd.setContentView(R.layout.date_picker_view);
80 CalendarView cv = dpd.findViewById(R.id.calendarView);
81 cv.setDate(c.getTime().getTime());
82 cv.setMaxDate(todayStamp);
84 cv.setOnDateChangeListener(this);
89 public void onSelectedDayChange(@NonNull CalendarView view, int year, int month,
92 if (onDatePickedListener != null)
93 onDatePickedListener.onDatePicked(year, month, dayOfMonth);
95 public void setOnDatePickedListener(DatePickedListener listener) {
96 onDatePickedListener = listener;
98 public interface DatePickedListener {
99 void onDatePicked(int year, int month, int day);