+++ /dev/null
-/*
- * Copyright © 2019 Damyan Ivanov.
- * This file is part of MoLe.
- * MoLe is free software: you can distribute it and/or modify it
- * under the term of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your opinion), any later version.
- *
- * MoLe is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License terms for details.
- *
- * You should have received a copy of the GNU General Public License
- * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.ktnx.mobileledger.ui.activity;
-
-import androidx.annotation.NonNull;
-import androidx.lifecycle.LifecycleOwner;
-import androidx.lifecycle.LiveData;
-import androidx.lifecycle.MutableLiveData;
-import androidx.lifecycle.Observer;
-import androidx.lifecycle.ViewModel;
-
-import net.ktnx.mobileledger.model.Currency;
-import net.ktnx.mobileledger.model.Data;
-import net.ktnx.mobileledger.model.LedgerTransactionAccount;
-import net.ktnx.mobileledger.model.MobileLedgerProfile;
-
-import org.jetbrains.annotations.NotNull;
-
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Collections;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.Locale;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-public class NewTransactionModel extends ViewModel {
- private static final Pattern reYMD =
- Pattern.compile("^\\s*(\\d+)\\d*/\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
- private static final Pattern reMD = Pattern.compile("^\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
- private static final Pattern reD = Pattern.compile("\\s*(\\d+)\\s*$");
- final MutableLiveData<Boolean> showCurrency = new MutableLiveData<>(false);
- final ArrayList<Item> items = new ArrayList<>();
- final MutableLiveData<Boolean> isSubmittable = new MutableLiveData<>(false);
- private final Item header = new Item(this, null, "");
- private final Item trailer = new Item(this);
- private final MutableLiveData<Integer> focusedItem = new MutableLiveData<>(0);
- private final MutableLiveData<Integer> accountCount = new MutableLiveData<>(0);
- private final MutableLiveData<Boolean> simulateSave = new MutableLiveData<>(false);
- private boolean observingDataProfile;
- private Observer<MobileLedgerProfile> profileObserver =
- profile -> showCurrency.postValue(profile.getShowCommodityByDefault());
- void observeDataProfile(LifecycleOwner activity) {
- if (!observingDataProfile)
- Data.profile.observe(activity, profileObserver);
- observingDataProfile = true;
- }
- boolean getSimulateSave() {
- return simulateSave.getValue();
- }
- public void setSimulateSave(boolean simulateSave) {
- this.simulateSave.setValue(simulateSave);
- }
- void toggleSimulateSave() {
- simulateSave.setValue(!simulateSave.getValue());
- }
- void observeSimulateSave(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super Boolean> observer) {
- this.simulateSave.observe(owner, observer);
- }
- int getAccountCount() {
- return items.size();
- }
- public Date getDate() {
- return header.date.getValue();
- }
- public String getDescription() {
- return header.description.getValue();
- }
- LiveData<Boolean> isSubmittable() {
- return this.isSubmittable;
- }
- void reset() {
- header.date.setValue(null);
- header.description.setValue(null);
- items.clear();
- items.add(new Item(this, new LedgerTransactionAccount("")));
- items.add(new Item(this, new LedgerTransactionAccount("")));
- focusedItem.setValue(0);
- }
- void observeFocusedItem(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
- this.focusedItem.observe(owner, observer);
- }
- void stopObservingFocusedItem(@NonNull androidx.lifecycle.Observer<? super Integer> observer) {
- this.focusedItem.removeObserver(observer);
- }
- void observeAccountCount(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
- this.accountCount.observe(owner, observer);
- }
- void stopObservingAccountCount(@NonNull androidx.lifecycle.Observer<? super Integer> observer) {
- this.accountCount.removeObserver(observer);
- }
- int getFocusedItem() { return focusedItem.getValue(); }
- void setFocusedItem(int position) {
- focusedItem.setValue(position);
- }
- int addAccount(LedgerTransactionAccount acc) {
- items.add(new Item(this, acc));
- accountCount.setValue(getAccountCount());
- return items.size();
- }
- boolean accountsInInitialState() {
- for (Item item : items) {
- LedgerTransactionAccount acc = item.getAccount();
- if (acc.isAmountSet())
- return false;
- if (!acc.getAccountName()
- .trim()
- .isEmpty())
- return false;
- }
-
- return true;
- }
- LedgerTransactionAccount getAccount(int index) {
- return items.get(index)
- .getAccount();
- }
- Item getItem(int index) {
- if (index == 0) {
- return header;
- }
-
- if (index <= items.size())
- return items.get(index - 1);
-
- return trailer;
- }
- void removeRow(Item item, NewTransactionItemsAdapter adapter) {
- int pos = items.indexOf(item);
- items.remove(pos);
- if (adapter != null) {
- adapter.notifyItemRemoved(pos + 1);
- sendCountNotifications();
- }
- }
- void removeItem(int pos) {
- items.remove(pos);
- accountCount.setValue(getAccountCount());
- }
- void sendCountNotifications() {
- accountCount.setValue(getAccountCount());
- }
- public void sendFocusedNotification() {
- focusedItem.setValue(focusedItem.getValue());
- }
- void updateFocusedItem(int position) {
- focusedItem.setValue(position);
- }
- void noteFocusChanged(int position, FocusedElement element) {
- getItem(position).setFocusedElement(element);
- }
- void swapItems(int one, int two) {
- Collections.swap(items, one - 1, two - 1);
- }
- void moveItemLast(int index) {
- /* 0
- 1 <-- index
- 2
- 3 <-- desired position
- */
- int itemCount = items.size();
-
- if (index < itemCount - 1) {
- Item acc = items.remove(index);
- items.add(itemCount - 1, acc);
- }
- }
- void toggleCurrencyVisible() {
- showCurrency.setValue(!showCurrency.getValue());
- }
- enum ItemType {generalData, transactionRow, bottomFiller}
-
- enum FocusedElement {Account, Comment, Amount}
-
-
- //==========================================================================================
-
-
- static class Item {
- private ItemType type;
- private MutableLiveData<Date> date = new MutableLiveData<>();
- private MutableLiveData<String> description = new MutableLiveData<>();
- private LedgerTransactionAccount account;
- private MutableLiveData<String> amountHint = new MutableLiveData<>(null);
- private NewTransactionModel model;
- private MutableLiveData<Boolean> editable = new MutableLiveData<>(true);
- private FocusedElement focusedElement = FocusedElement.Account;
- private MutableLiveData<String> comment = new MutableLiveData<>(null);
- private MutableLiveData<Currency> currency = new MutableLiveData<>(null);
- private boolean amountHintIsSet = false;
- Item(NewTransactionModel model) {
- this.model = model;
- type = ItemType.bottomFiller;
- editable.setValue(false);
- }
- Item(NewTransactionModel model, Date date, String description) {
- this.model = model;
- this.type = ItemType.generalData;
- this.date.setValue(date);
- this.description.setValue(description);
- this.editable.setValue(true);
- }
- Item(NewTransactionModel model, LedgerTransactionAccount account) {
- this.model = model;
- this.type = ItemType.transactionRow;
- this.account = account;
- String currName = account.getCurrency();
- Currency curr = null;
- if ((currName != null) && !currName.isEmpty())
- curr = Currency.loadByName(currName);
- this.currency.setValue(curr);
- this.editable.setValue(true);
- }
- FocusedElement getFocusedElement() {
- return focusedElement;
- }
- void setFocusedElement(FocusedElement focusedElement) {
- this.focusedElement = focusedElement;
- }
- public NewTransactionModel getModel() {
- return model;
- }
- void setEditable(boolean editable) {
- ensureType(ItemType.generalData, ItemType.transactionRow);
- this.editable.setValue(editable);
- }
- private void ensureType(ItemType type1, ItemType type2) {
- if ((type != type1) && (type != type2)) {
- throw new RuntimeException(
- String.format("Actual type (%s) differs from wanted (%s or %s)", type,
- type1, type2));
- }
- }
- String getAmountHint() {
- ensureType(ItemType.transactionRow);
- return amountHint.getValue();
- }
- void setAmountHint(String amountHint) {
- ensureType(ItemType.transactionRow);
-
- // avoid unnecessary triggers
- if (amountHint == null) {
- if (this.amountHint.getValue() == null)
- return;
- amountHintIsSet = false;
- }
- else {
- if (amountHint.equals(this.amountHint.getValue()))
- return;
- amountHintIsSet = true;
- }
-
- this.amountHint.setValue(amountHint);
- }
- void observeAmountHint(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super String> observer) {
- this.amountHint.observe(owner, observer);
- }
- void stopObservingAmountHint(
- @NonNull androidx.lifecycle.Observer<? super String> observer) {
- this.amountHint.removeObserver(observer);
- }
- ItemType getType() {
- return type;
- }
- void ensureType(ItemType wantedType) {
- if (type != wantedType) {
- throw new RuntimeException(
- String.format("Actual type (%s) differs from wanted (%s)", type,
- wantedType));
- }
- }
- public Date getDate() {
- ensureType(ItemType.generalData);
- return date.getValue();
- }
- public void setDate(Date date) {
- ensureType(ItemType.generalData);
- this.date.setValue(date);
- }
- public void setDate(String text) {
- if ((text == null) || text.trim()
- .isEmpty())
- {
- setDate((Date) null);
- return;
- }
-
- int year, month, day;
- final Calendar c = GregorianCalendar.getInstance();
- Matcher m = reYMD.matcher(text);
- if (m.matches()) {
- year = Integer.parseInt(m.group(1));
- month = Integer.parseInt(m.group(2)) - 1; // month is 0-based
- day = Integer.parseInt(m.group(3));
- }
- else {
- year = c.get(Calendar.YEAR);
- m = reMD.matcher(text);
- if (m.matches()) {
- month = Integer.parseInt(m.group(1)) - 1;
- day = Integer.parseInt(m.group(2));
- }
- else {
- month = c.get(Calendar.MONTH);
- m = reD.matcher(text);
- if (m.matches()) {
- day = Integer.parseInt(m.group(1));
- }
- else {
- day = c.get(Calendar.DAY_OF_MONTH);
- }
- }
- }
-
- c.set(year, month, day);
-
- this.setDate(c.getTime());
- }
- void observeDate(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super Date> observer) {
- this.date.observe(owner, observer);
- }
- void stopObservingDate(@NonNull androidx.lifecycle.Observer<? super Date> observer) {
- this.date.removeObserver(observer);
- }
- public String getDescription() {
- ensureType(ItemType.generalData);
- return description.getValue();
- }
- public void setDescription(String description) {
- ensureType(ItemType.generalData);
- this.description.setValue(description);
- }
- void observeDescription(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super String> observer) {
- this.description.observe(owner, observer);
- }
- void stopObservingDescription(
- @NonNull androidx.lifecycle.Observer<? super String> observer) {
- this.description.removeObserver(observer);
- }
- public LedgerTransactionAccount getAccount() {
- ensureType(ItemType.transactionRow);
- return account;
- }
- public void setAccountName(String name) {
- account.setAccountName(name);
- }
- /**
- * getFormattedDate()
- *
- * @return nicely formatted, shortest available date representation
- */
- String getFormattedDate() {
- if (date == null)
- return null;
- Date time = date.getValue();
- if (time == null)
- return null;
-
- Calendar c = GregorianCalendar.getInstance();
- c.setTime(time);
- Calendar today = GregorianCalendar.getInstance();
-
- final int myYear = c.get(Calendar.YEAR);
- final int myMonth = c.get(Calendar.MONTH);
- final int myDay = c.get(Calendar.DAY_OF_MONTH);
-
- if (today.get(Calendar.YEAR) != myYear) {
- return String.format(Locale.US, "%d/%02d/%02d", myYear, myMonth + 1, myDay);
- }
-
- if (today.get(Calendar.MONTH) != myMonth) {
- return String.format(Locale.US, "%d/%02d", myMonth + 1, myDay);
- }
-
- return String.valueOf(myDay);
- }
- void observeEditableFlag(NewTransactionActivity activity, Observer<Boolean> observer) {
- editable.observe(activity, observer);
- }
- void stopObservingEditableFlag(Observer<Boolean> observer) {
- editable.removeObserver(observer);
- }
- void observeComment(NewTransactionActivity activity, Observer<String> observer) {
- comment.observe(activity, observer);
- }
- void stopObservingComment(Observer<String> observer) {
- comment.removeObserver(observer);
- }
- public void setComment(String comment) {
- getAccount().setComment(comment);
- this.comment.postValue(comment);
- }
- public Currency getCurrency() {
- return this.currency.getValue();
- }
- public void setCurrency(Currency currency) {
- Currency present = this.currency.getValue();
- if ((currency == null) && (present != null) ||
- (currency != null) && !currency.equals(present))
- {
- getAccount().setCurrency((currency != null && !currency.getName()
- .isEmpty())
- ? currency.getName() : null);
- this.currency.setValue(currency);
- }
- }
- void observeCurrency(NewTransactionActivity activity, Observer<Currency> observer) {
- currency.observe(activity, observer);
- }
- void stopObservingCurrency(Observer<Currency> observer) {
- currency.removeObserver(observer);
- }
- boolean isOfType(ItemType type) {
- return this.type == type;
- }
- boolean isAmountHintSet() {
- return amountHintIsSet;
- }
- }
-}
projects / mobile-ledger.git / blobdiff