package net.ktnx.mobileledger.ui.activity;
+import android.annotation.SuppressLint;
+
import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModel;
+import net.ktnx.mobileledger.BuildConfig;
+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 net.ktnx.mobileledger.utils.Logger;
+import net.ktnx.mobileledger.utils.Misc;
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.HashMap;
+import java.util.List;
import java.util.Locale;
+import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static net.ktnx.mobileledger.utils.Logger.debug;
-import static net.ktnx.mobileledger.utils.Misc.isZero;
public class NewTransactionModel extends ViewModel {
- static final Pattern reYMD = Pattern.compile("^\\s*(\\d+)\\d*/\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
- static final Pattern reMD = Pattern.compile("^\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
- static final Pattern reD = Pattern.compile("\\s*(\\d+)\\s*$");
+ private static final Pattern reYMD =
+ Pattern.compile("^\\s*(\\d+)\\d*/\\s*(\\d+)\\s*/\\s*(\\d+)\\s*$");
+ 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);
private final Item header = new Item(this, null, "");
private final Item trailer = new Item(this);
private final ArrayList<Item> items = new ArrayList<>();
private final MutableLiveData<Boolean> isSubmittable = new MutableLiveData<>(false);
- private final MutableLiveData<Integer> focusedItem = new MutableLiveData<>(null);
+ private final MutableLiveData<Integer> focusedItem = new MutableLiveData<>(0);
private final MutableLiveData<Integer> accountCount = new MutableLiveData<>(0);
- public int getAccountCount() {
+ private final MutableLiveData<Boolean> simulateSave = new MutableLiveData<>(false);
+ /*
+ Slots contain lists of items, all using the same currency, including the possible
+ item with no account/amount that is used to help balancing the transaction
+
+ There is one slot per currency
+ */
+ private final HashMap<String, List<Item>> slots = new HashMap<>();
+ private int checkHoldCounter = 0;
+ private Observer<MobileLedgerProfile> profileObserver = profile ->showCurrency.postValue(profile.getShowCommodityByDefault());
+ public void observeDataProfile(LifecycleOwner activity) {
+ Data.profile.observe(activity, profileObserver);
+ }
+ void holdSubmittableChecks() {
+ checkHoldCounter++;
+ }
+ void releaseSubmittableChecks() {
+ if (checkHoldCounter == 0)
+ throw new RuntimeException("Asymmetrical call to releaseSubmittableChecks");
+ checkHoldCounter--;
+ }
+ 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() {
public String getDescription() {
return header.description.getValue();
}
- public LiveData<Boolean> isSubmittable() {
+ LiveData<Boolean> isSubmittable() {
return this.isSubmittable;
}
void reset() {
items.add(new Item(this, new LedgerTransactionAccount("")));
focusedItem.setValue(0);
}
- public void observeFocusedItem(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
+ void observeFocusedItem(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
+ @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
this.focusedItem.observe(owner, observer);
}
- public void stopObservingFocusedItem(
- @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
+ void stopObservingFocusedItem(@NonNull androidx.lifecycle.Observer<? super Integer> observer) {
this.focusedItem.removeObserver(observer);
}
- public void observeAccountCount(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull
- androidx.lifecycle.Observer<? super Integer> observer) {
+ void observeAccountCount(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
+ @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
this.accountCount.observe(owner, observer);
}
- public void stopObservingAccountCount(
- @NonNull androidx.lifecycle.Observer<? super Integer> observer) {
+ void stopObservingAccountCount(@NonNull androidx.lifecycle.Observer<? super Integer> observer) {
this.accountCount.removeObserver(observer);
}
- public void setFocusedItem(int position) {
+ int getFocusedItem() { return focusedItem.getValue(); }
+ void setFocusedItem(int position) {
focusedItem.setValue(position);
}
- public int addAccount(LedgerTransactionAccount acc) {
+ 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.isAmountSet())
+ return false;
if (!acc.getAccountName()
.trim()
- .isEmpty()) return false;
+ .isEmpty())
+ return false;
}
return true;
return items.get(index)
.getAccount();
}
- public Item getItem(int index) {
+ Item getItem(int index) {
if (index == 0) {
return header;
}
- else if (index <= items.size()) return items.get(index - 1);
- else return trailer;
- }
- // rules:
- // 1) at least two account names
- // 2) each amount must have account name
- // 3) amounts must balance to 0, or
- // 3a) there must be exactly one empty amount
- // 4) empty accounts with empty amounts are ignored
- // 5) a row with an empty account name or empty amount is guaranteed to exist
- public void checkTransactionSubmittable(NewTransactionItemsAdapter adapter) {
+
+ if (index <= items.size())
+ return items.get(index - 1);
+
+ return trailer;
+ }
+ /*
+ A transaction is submittable if:
+ 0) has description
+ 1) has at least two account names
+ 2) each row with amount has account name
+ 3) for each commodity:
+ 3a) amounts must balance to 0, or
+ 3b) there must be exactly one empty amount (with account)
+ 4) empty accounts with empty amounts are ignored
+ Side effects:
+ 5) a row with an empty account name or empty amount is guaranteed to exist for each commodity
+ 6) at least two rows need to be present in the ledger
+
+ */
+ @SuppressLint("DefaultLocale")
+ void checkTransactionSubmittable(NewTransactionItemsAdapter adapter) {
+ if (checkHoldCounter > 0)
+ return;
+
int accounts = 0;
- int accounts_with_values = 0;
- int amounts = 0;
- int amounts_with_accounts = 0;
- int empty_rows = 0;
- Item empty_amount = null;
- boolean single_empty_amount = false;
- boolean single_empty_amount_has_account = false;
- float running_total = 0f;
+ final BalanceForCurrency balance = new BalanceForCurrency();
final String descriptionText = getDescription();
- final boolean have_description = ((descriptionText != null) && !descriptionText.isEmpty());
+ boolean submittable = true;
+ final ItemsForCurrency itemsForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency itemsWithEmptyAmountForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency itemsWithAccountAndEmptyAmountForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency itemsWithEmptyAccountForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency itemsWithAmountForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency itemsWithAccountForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency emptyRowsForCurrency = new ItemsForCurrency();
+ final List<Item> emptyRows = new ArrayList<>();
try {
+ if ((descriptionText == null) || descriptionText.trim()
+ .isEmpty())
+ {
+ Logger.debug("submittable", "Transaction not submittable: missing description");
+ submittable = false;
+ }
+
for (int i = 0; i < this.items.size(); i++) {
Item item = this.items.get(i);
LedgerTransactionAccount acc = item.getAccount();
String acc_name = acc.getAccountName()
.trim();
- if (!acc_name.isEmpty()) {
- accounts++;
+ String currName = acc.getCurrency();
+
+ itemsForCurrency.add(currName, item);
+
+ if (acc_name.isEmpty()) {
+ itemsWithEmptyAccountForCurrency.add(currName, item);
if (acc.isAmountSet()) {
- accounts_with_values++;
+ // 2) each amount has account name
+ Logger.debug("submittable", String.format(
+ "Transaction not submittable: row %d has no account name, but" +
+ " has" + " amount %1.2f", i + 1, acc.getAmount()));
+ submittable = false;
+ }
+ else {
+ emptyRowsForCurrency.add(currName, item);
}
}
- else empty_rows++;
+ else {
+ accounts++;
+ itemsWithAccountForCurrency.add(currName, item);
+ }
- if (!acc.isAmountSet()) {
- if (empty_amount == null) {
- empty_amount = item;
- single_empty_amount = true;
- single_empty_amount_has_account = !acc_name.isEmpty();
- }
- else if (!acc_name.isEmpty()) single_empty_amount = false;
+ if (acc.isAmountSet()) {
+ itemsWithAmountForCurrency.add(currName, item);
+ balance.add(currName, acc.getAmount());
}
else {
- amounts++;
- if (!acc_name.isEmpty()) amounts_with_accounts++;
- running_total += acc.getAmount();
+ itemsWithEmptyAmountForCurrency.add(currName, item);
+
+ if (!acc_name.isEmpty())
+ itemsWithAccountAndEmptyAmountForCurrency.add(currName, item);
}
}
- if ((empty_rows == 0) &&
- ((this.items.size() == accounts) || (this.items.size() == amounts)))
- {
- adapter.addRow();
+ // 1) has at least two account names
+ if (accounts < 2) {
+ if (accounts == 0)
+ Logger.debug("submittable",
+ "Transaction not submittable: no account " + "names");
+ else if (accounts == 1)
+ Logger.debug("submittable",
+ "Transaction not submittable: only one account name");
+ else
+ Logger.debug("submittable",
+ String.format("Transaction not submittable: only %d account names",
+ accounts));
+ submittable = false;
}
- if (single_empty_amount) {
- empty_amount.setAmountHint(String.format(Locale.US, "%1.2f",
- (Math.abs(running_total) > 0.005) ? -running_total : 0f));
- }
+ // 3) for each commodity:
+ // 3a) amount must balance to 0, or
+ // 3b) there must be exactly one empty amount (with account)
+ for (String balCurrency : itemsForCurrency.currencies()) {
+ float currencyBalance = balance.get(balCurrency);
+ if (Misc.isZero(currencyBalance)) {
+ // remove hints from all amount inputs in that currency
+ for (Item item : items) {
+ if (Currency.equal(item.getCurrency(), balCurrency))
+ item.setAmountHint(null);
+ }
+ }
+ else {
+ List<Item> list =
+ itemsWithAccountAndEmptyAmountForCurrency.getList(balCurrency);
+ int balanceReceiversCount = list.size();
+ if (balanceReceiversCount != 1) {
+ if (BuildConfig.DEBUG) {
+ if (balanceReceiversCount == 0)
+ Logger.debug("submittable", String.format(
+ "Transaction not submittable [%s]: non-zero balance " +
+ "with no empty amounts with accounts", balCurrency));
+ else
+ Logger.debug("submittable", String.format(
+ "Transaction not submittable [%s]: non-zero balance " +
+ "with multiple empty amounts with accounts", balCurrency));
+ }
+ submittable = false;
+ }
- debug("submittable", String.format(Locale.US,
- "%s, accounts=%d, accounts_with_values=%s, " +
- "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
- "single_empty_with_acc=%s", have_description ? "description" : "NO description",
- accounts, accounts_with_values, amounts_with_accounts, amounts, running_total,
- (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
+ List<Item> emptyAmountList =
+ itemsWithEmptyAmountForCurrency.getList(balCurrency);
- if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
- (amounts_with_accounts == amounts) &&
- (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
- {
- debug("submittable", "YES");
- isSubmittable.setValue(true);
+ // suggest off-balance amount to a row and remove hints on other rows
+ Item receiver = null;
+ if (!list.isEmpty())
+ receiver = list.get(0);
+ else if (!emptyAmountList.isEmpty())
+ receiver = emptyAmountList.get(0);
+
+ for (Item item : items) {
+ if (!Currency.equal(item.getCurrency(), balCurrency))
+ continue;
+
+ if (item.equals(receiver)) {
+ if (BuildConfig.DEBUG)
+ Logger.debug("submittable",
+ String.format("Setting amount hint to %1.2f [%s]",
+ -currencyBalance, balCurrency));
+ item.setAmountHint(String.format("%1.2f", -currencyBalance));
+ }
+ else {
+ if (BuildConfig.DEBUG)
+ Logger.debug("submittable",
+ String.format("Resetting hint of '%s' [%s]",
+ (item.getAccount() == null) ? "" : item.getAccount()
+ .getAccountName(),
+ balCurrency));
+ item.setAmountHint(null);
+ }
+ }
+ }
}
- else {
- debug("submittable", "NO");
- isSubmittable.setValue(false);
+
+ // 5) a row with an empty account name or empty amount is guaranteed to exist for
+ // each commodity
+ for (String balCurrency : balance.currencies()) {
+ int currEmptyRows = itemsWithEmptyAccountForCurrency.size(balCurrency);
+ int currRows = itemsForCurrency.size(balCurrency);
+ int currAccounts = itemsWithAccountForCurrency.size(balCurrency);
+ int currAmounts = itemsWithAmountForCurrency.size(balCurrency);
+ if ((currEmptyRows == 0) &&
+ ((currRows == currAccounts) || (currRows == currAmounts)))
+ {
+ // perhaps there already is an unused empty row for another currency that
+ // is not used?
+// boolean foundIt = false;
+// for (Item item : emptyRows) {
+// Currency itemCurrency = item.getCurrency();
+// String itemCurrencyName =
+// (itemCurrency == null) ? "" : itemCurrency.getName();
+// if (Misc.isZero(balance.get(itemCurrencyName))) {
+// item.setCurrency(Currency.loadByName(balCurrency));
+// item.setAmountHint(
+// String.format("%1.2f", -balance.get(balCurrency)));
+// foundIt = true;
+// break;
+// }
+// }
+//
+// if (!foundIt)
+ adapter.addRow(balCurrency);
+ }
+ }
+
+ // drop extra empty rows, not needed
+ for (String currName : emptyRowsForCurrency.currencies()) {
+ List<Item> emptyItems = emptyRowsForCurrency.getList(currName);
+ while ((this.items.size() > 2) && (emptyItems.size() > 1)) {
+ Item item = emptyItems.get(1);
+ emptyItems.remove(1);
+ removeRow(item, adapter);
+ }
+
+ // unused currency, remove last item (which is also an empty one)
+ if ((items.size() > 2) && (emptyItems.size() == 1)) {
+ List<Item> currItems = itemsForCurrency.getList(currName);
+
+ if (currItems.size() == 1){
+ Item item = emptyItems.get(0);
+ removeRow(item, adapter);
+ }
+ }
}
+ // 6) at least two rows need to be present in the ledger
+ while (this.items.size() < 2)
+ adapter.addRow();
+
+
+ debug("submittable", submittable ? "YES" : "NO");
+ isSubmittable.setValue(submittable);
+
+ if (BuildConfig.DEBUG) {
+ debug("submittable", "== Dump of all items");
+ for (int i = 0; i < items.size(); i++) {
+ Item item = items.get(i);
+ LedgerTransactionAccount acc = item.getAccount();
+ debug("submittable", String.format("Item %2d: [%4.2f(%s) %s] %s ; %s", i,
+ acc.isAmountSet() ? acc.getAmount() : 0,
+ item.isAmountHintSet() ? item.getAmountHint() : "ΓΈ", acc.getCurrency(),
+ acc.getAccountName(), acc.getComment()));
+ }
+ }
}
catch (NumberFormatException e) {
debug("submittable", "NO (because of NumberFormatException)");
isSubmittable.setValue(false);
}
}
- public void removeItem(int pos, NewTransactionItemsAdapter adapter) {
+ private 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());
- checkTransactionSubmittable(adapter);
+ }
+ 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 toggleComment(int position) {
+ final MutableLiveData<Boolean> commentVisible = getItem(position).commentVisible;
+ commentVisible.postValue(!commentVisible.getValue());
+ }
+ 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());
+ }
+ public void setItemCurrency(Item item, Currency newCurrency,
+ NewTransactionItemsAdapter adapter) {
+ Currency oldCurrency = item.getCurrency();
+ if (!Currency.equal(newCurrency, oldCurrency)) {
+ holdSubmittableChecks();
+ try {
+ item.setCurrency(newCurrency);
+// for (Item i : items) {
+// if (Currency.equal(i.getCurrency(), oldCurrency))
+// i.setCurrency(newCurrency);
+// }
+ }
+ finally {
+ releaseSubmittableChecks();
+ }
+
+ checkTransactionSubmittable(adapter);
+ }
}
enum ItemType {generalData, transactionRow, bottomFiller}
- class Item extends Object {
+ enum FocusedElement {Account, Comment, Amount}
+
+ private class ItemsForCurrency {
+ private HashMap<String, List<Item>> hashMap = new HashMap<>();
+ @NonNull
+ List<Item> getList(@Nullable String currencyName) {
+ List<Item> list = hashMap.get(currencyName);
+ if (list == null) {
+ list = new ArrayList<>();
+ hashMap.put(currencyName, list);
+ }
+ return list;
+ }
+ void add(@Nullable String currencyName, @NonNull Item item) {
+ getList(currencyName).add(item);
+ }
+ int size(@Nullable String currencyName) {
+ return this.getList(currencyName)
+ .size();
+ }
+ Set<String> currencies() {
+ return hashMap.keySet();
+ }
+ }
+
+ //==========================================================================================
+
+ private class BalanceForCurrency {
+ private HashMap<String, Float> hashMap = new HashMap<>();
+ float get(String currencyName) {
+ Float f = hashMap.get(currencyName);
+ if (f == null) {
+ f = 0f;
+ hashMap.put(currencyName, f);
+ }
+ return f;
+ }
+ void add(String currencyName, float amount) {
+ hashMap.put(currencyName, get(currencyName) + amount);
+ }
+ Set<String> currencies() {
+ return hashMap.keySet();
+ }
+ boolean containsCurrency(String currencyName) {
+ return hashMap.containsKey(currencyName);
+ }
+ }
+
+ 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<>();
+ private MutableLiveData<String> amountHint = new MutableLiveData<>(null);
private NewTransactionModel model;
- private boolean editable = true;
- public Item(NewTransactionModel model) {
+ private MutableLiveData<Boolean> editable = new MutableLiveData<>(true);
+ private FocusedElement focusedElement = FocusedElement.Account;
+ private MutableLiveData<String> comment = new MutableLiveData<>(null);
+ private MutableLiveData<Boolean> commentVisible = new MutableLiveData<>(false);
+ private MutableLiveData<Currency> currency = new MutableLiveData<>(null);
+ private boolean amountHintIsSet = false;
+ Item(NewTransactionModel model) {
this.model = model;
type = ItemType.bottomFiller;
+ editable.setValue(false);
}
- public Item(NewTransactionModel model, Date date, String description) {
+ 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);
}
- public Item(NewTransactionModel model, LedgerTransactionAccount account) {
+ 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;
}
- public boolean isEditable() {
- ensureType(ItemType.transactionRow);
- return editable;
+ void setEditable(boolean editable) {
+ ensureType(ItemType.generalData, ItemType.transactionRow);
+ this.editable.setValue(editable);
}
- public void setEditable(boolean editable) {
- ensureType(ItemType.transactionRow);
- this.editable = 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));
+ }
}
- public String getAmountHint() {
+ String getAmountHint() {
ensureType(ItemType.transactionRow);
return amountHint.getValue();
}
- public void setAmountHint(String amountHint) {
+ 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);
}
- public void observeAmountHint(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull
- androidx.lifecycle.Observer<? super String> observer) {
+ void observeAmountHint(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
+ @NonNull androidx.lifecycle.Observer<? super String> observer) {
this.amountHint.observe(owner, observer);
}
- public void stopObservingAmountHint(
+ void stopObservingAmountHint(
@NonNull androidx.lifecycle.Observer<? super String> observer) {
this.amountHint.removeObserver(observer);
}
- public ItemType getType() {
+ ItemType getType() {
return type;
}
- public void ensureType(ItemType wantedType) {
+ void ensureType(ItemType wantedType) {
if (type != wantedType) {
throw new RuntimeException(
- String.format("Actual type (%d) differs from wanted (%s)", type,
+ String.format("Actual type (%s) differs from wanted (%s)", type,
wantedType));
}
}
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);
this.setDate(c.getTime());
}
- public void observeDate(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull androidx.lifecycle.Observer<? super Date> observer) {
+ void observeDate(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
+ @NonNull androidx.lifecycle.Observer<? super Date> observer) {
this.date.observe(owner, observer);
}
- public void stopObservingDate(@NonNull androidx.lifecycle.Observer<? super Date> observer) {
+ void stopObservingDate(@NonNull androidx.lifecycle.Observer<? super Date> observer) {
this.date.removeObserver(observer);
}
public String getDescription() {
ensureType(ItemType.generalData);
this.description.setValue(description);
}
- public void observeDescription(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
- @NonNull
- androidx.lifecycle.Observer<? super String> observer) {
+ void observeDescription(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
+ @NonNull androidx.lifecycle.Observer<? super String> observer) {
this.description.observe(owner, observer);
}
- public void stopObservingDescription(
+ void stopObservingDescription(
@NonNull androidx.lifecycle.Observer<? super String> observer) {
this.description.removeObserver(observer);
}
*
* @return nicely formatted, shortest available date representation
*/
- public String getFormattedDate() {
- if (date == null) return null;
+ String getFormattedDate() {
+ if (date == null)
+ return null;
Date time = date.getValue();
- if (time == null) return null;
+ if (time == null)
+ return null;
Calendar c = GregorianCalendar.getInstance();
c.setTime(time);
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, myDay);
+ 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, myDay);
+ 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 observeCommentVisible(NewTransactionActivity activity, Observer<Boolean> observer) {
+ commentVisible.observe(activity, observer);
+ }
+ void stopObservingCommentVisible(Observer<Boolean> observer) {
+ commentVisible.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;
+ }
}
}