]> git.ktnx.net Git - mobile-ledger.git/blob - app/src/main/java/net/ktnx/mobileledger/ui/CurrencySelectorModel.java
better version detection progress
[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / CurrencySelectorModel.java
1 /*
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.
8  *
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.
13  *
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/>.
16  */
17
18 package net.ktnx.mobileledger.ui;
19
20 import androidx.lifecycle.LifecycleOwner;
21 import androidx.lifecycle.MutableLiveData;
22 import androidx.lifecycle.Observer;
23 import androidx.lifecycle.ViewModel;
24
25 import net.ktnx.mobileledger.model.Currency;
26
27 import java.util.ArrayList;
28 import java.util.List;
29
30 public class CurrencySelectorModel extends ViewModel {
31     public final MutableLiveData<List<Currency>> currencies;
32     private final MutableLiveData<Boolean> positionAndPaddingVisible = new MutableLiveData<>(true);
33     private OnCurrencySelectedListener selectionListener;
34     public CurrencySelectorModel() {
35         this.currencies = new MutableLiveData<>(new ArrayList<>());
36     }
37     public void showPositionAndPadding() {
38         positionAndPaddingVisible.postValue(true);
39     }
40     public void hidePositionAndPadding() {
41         positionAndPaddingVisible.postValue(false);
42     }
43     public void observePositionAndPaddingVisible(LifecycleOwner activity,
44                                                  Observer<Boolean> observer) {
45         positionAndPaddingVisible.observe(activity, observer);
46     }
47     void setOnCurrencySelectedListener(OnCurrencySelectedListener listener) {
48         selectionListener = listener;
49     }
50     void resetOnCurrencySelectedListener() {
51         selectionListener = null;
52     }
53     void triggerOnCurrencySelectedListener(Currency c) {
54         if (selectionListener != null)
55             selectionListener.onCurrencySelected(c);
56     }
57 }