2 * Copyright © 2020 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 androidx.lifecycle.LifecycleOwner;
21 import androidx.lifecycle.MutableLiveData;
22 import androidx.lifecycle.Observer;
23 import androidx.lifecycle.ViewModel;
25 import net.ktnx.mobileledger.model.Currency;
27 import java.util.List;
29 public class CurrencySelectorModel extends ViewModel {
30 public final MutableLiveData<List<Currency>> currencies;
31 private final MutableLiveData<Boolean> positionAndPaddingVisible = new MutableLiveData<>(true);
32 private OnCurrencySelectedListener selectionListener;
33 public CurrencySelectorModel() {
34 this.currencies = new MutableLiveData<>();
36 public void showPositionAndPadding() {
37 positionAndPaddingVisible.postValue(true);
39 public void hidePositionAndPadding() {
40 positionAndPaddingVisible.postValue(false);
42 public void observePositionAndPaddingVisible(LifecycleOwner activity, Observer<Boolean> observer) {
43 positionAndPaddingVisible.observe(activity, observer);
45 void setOnCurrencySelectedListener(OnCurrencySelectedListener listener) {
46 selectionListener = listener;
48 void resetOnCurrencySelectedListener() {
49 selectionListener = null;
51 void triggerOnCurrencySelectedListener(Currency c) {
52 if (selectionListener != null)
53 selectionListener.onCurrencySelected(c);