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.Activity;
21 import android.app.Dialog;
22 import android.os.Bundle;
23 import android.view.WindowManager;
24 import android.widget.CalendarView;
25 import android.widget.TextView;
27 import androidx.annotation.NonNull;
28 import androidx.appcompat.app.AppCompatDialogFragment;
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 CalendarView.OnDateChangeListener {
41 static final Pattern reYMD = Pattern.compile("^\\s*(\\d+)\\d*/\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
42 static final Pattern reMD = Pattern.compile("^\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
43 static final Pattern reD = Pattern.compile("\\s*(\\d+)\\s*$");
46 public Dialog onCreateDialog(Bundle savedInstanceState) {
47 final Calendar c = GregorianCalendar.getInstance();
48 int year = c.get(GregorianCalendar.YEAR);
49 int month = c.get(GregorianCalendar.MONTH);
50 int day = c.get(GregorianCalendar.DAY_OF_MONTH);
51 long todayStamp = c.getTimeInMillis();
53 Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
55 CharSequence present = date.getText();
57 Matcher m = reYMD.matcher(present);
59 year = Integer.parseInt(m.group(1));
60 month = Integer.parseInt(m.group(2)) - 1; // month is 0-based
61 day = Integer.parseInt(m.group(3));
64 m = reMD.matcher(present);
66 month = Integer.parseInt(m.group(1)) - 1;
67 day = Integer.parseInt(m.group(2));
70 m = reD.matcher(present);
72 day = Integer.parseInt(m.group(1));
77 c.set(year, month, day);
79 Dialog dpd = new Dialog(Objects.requireNonNull(getActivity()));
80 dpd.setContentView(R.layout.date_picker_view);
82 CalendarView cv = dpd.findViewById(R.id.calendarView);
83 cv.setDate(c.getTime().getTime());
84 cv.setMaxDate(todayStamp);
86 cv.setOnDateChangeListener(this);
90 private void updateDateInput(int year, int month, int day) {
92 Objects.requireNonNull(getActivity()).findViewById(R.id.new_transaction_date);
94 final Calendar c = GregorianCalendar.getInstance();
95 if (c.get(GregorianCalendar.YEAR) == year) {
96 if (c.get(GregorianCalendar.MONTH) == month)
97 date.setText(String.format(Locale.US, "%d", day));
98 else date.setText(String.format(Locale.US, "%d/%d", month + 1, day));
100 else date.setText(String.format(Locale.US, "%d/%d/%d", year, month + 1, day));
102 Activity activity = getActivity();
103 if (activity == null) return;
105 TextView description = activity.findViewById(R.id.new_transaction_description);
106 boolean tookFocus = description.requestFocus();
107 if (tookFocus) activity.getWindow()
108 .setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
111 public void onSelectedDayChange(@NonNull CalendarView view, int year, int month,
113 updateDateInput(year, month, dayOfMonth);