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.support.annotation.NonNull;
23 import android.support.v7.app.AppCompatDialogFragment;
24 import android.widget.CalendarView;
25 import android.widget.TextView;
27 import net.ktnx.mobileledger.R;
29 import java.util.Calendar;
30 import java.util.GregorianCalendar;
31 import java.util.Locale;
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*$");
43 public Dialog onCreateDialog(Bundle savedInstanceState) {
44 final Calendar c = GregorianCalendar.getInstance();
45 int year = c.get(GregorianCalendar.YEAR);
46 int month = c.get(GregorianCalendar.MONTH);
47 int day = c.get(GregorianCalendar.DAY_OF_MONTH);
48 long todayStamp = c.getTimeInMillis();
50 Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
52 CharSequence present = date.getText();
54 Matcher m = reYMD.matcher(present);
56 year = Integer.parseInt(m.group(1));
57 month = Integer.parseInt(m.group(2)) - 1; // month is 0-based
58 day = Integer.parseInt(m.group(3));
61 m = reMD.matcher(present);
63 month = Integer.parseInt(m.group(1)) - 1;
64 day = Integer.parseInt(m.group(2));
67 m = reD.matcher(present);
69 day = Integer.parseInt(m.group(1));
74 c.set(year, month, day);
76 Dialog dpd = new Dialog(Objects.requireNonNull(getActivity()));
77 dpd.setContentView(R.layout.date_picker_view);
79 CalendarView cv = dpd.findViewById(R.id.calendarView);
80 cv.setDate(c.getTime().getTime());
81 cv.setMaxDate(todayStamp);
83 cv.setOnDateChangeListener(this);
87 private void updateDateInput(int year, int month, int day) {
89 Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
91 final Calendar c = GregorianCalendar.getInstance();
92 if (c.get(GregorianCalendar.YEAR) == year) {
93 if (c.get(GregorianCalendar.MONTH) == month)
94 date.setText(String.format(Locale.US, "%d", day));
95 else date.setText(String.format(Locale.US, "%d/%d", month + 1, day));
97 else date.setText(String.format(Locale.US, "%d/%d/%d", year, month + 1, day));
99 TextView description = Objects.requireNonNull(getActivity())
100 .findViewById(R.id.new_transaction_description);
101 description.requestFocus();
104 public void onSelectedDayChange(@NonNull CalendarView view, int year, int month,
106 updateDateInput(year, month, dayOfMonth);