/*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 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
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.utils.Misc;
+import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import net.ktnx.mobileledger.utils.Globals;
+import net.ktnx.mobileledger.utils.SimpleDate;
import org.jetbrains.annotations.NotNull;
+import java.text.ParseException;
import java.util.ArrayList;
import java.util.Calendar;
-import java.util.Date;
+import java.util.Collections;
import java.util.GregorianCalendar;
import java.util.Locale;
-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;
+import java.util.concurrent.atomic.AtomicInteger;
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*$");
+ final MutableLiveData<Boolean> showCurrency = new MutableLiveData<>(false);
+ final ArrayList<Item> items = new ArrayList<>();
+ final MutableLiveData<Boolean> isSubmittable = new MutableLiveData<>(false);
+ final MutableLiveData<Boolean> showComments = new MutableLiveData<>(true);
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);
+ private final AtomicInteger busyCounter = new AtomicInteger(0);
+ private final MutableLiveData<Boolean> busyFlag = new MutableLiveData<>(false);
+ private boolean observingDataProfile;
+ private Observer<MobileLedgerProfile> profileObserver = profile -> {
+ showCurrency.postValue(profile.getShowCommodityByDefault());
+ showComments.postValue(profile.getShowCommentsByDefault());
+ };
+ void observeShowComments(LifecycleOwner owner, Observer<? super Boolean> observer) {
+ showComments.observe(owner, observer);
+ }
+ void observeBusyFlag(@NonNull LifecycleOwner owner, Observer<? super Boolean> observer) {
+ busyFlag.observe(owner, observer);
+ }
+ 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() {
+ public SimpleDate getDate() {
return header.date.getValue();
}
public String getDescription() {
return header.description.getValue();
}
- public LiveData<Boolean> isSubmittable() {
+ public String getComment() {
+ return header.comment.getValue();
+ }
+ LiveData<Boolean> isSubmittable() {
return this.isSubmittable;
}
void reset() {
header.date.setValue(null);
header.description.setValue(null);
+ header.comment.setValue(null);
items.clear();
items.add(new Item(this, new LedgerTransactionAccount("")));
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;
}
- if (index <= items.size()) return items.get(index - 1);
+ if (index <= items.size())
+ return items.get(index - 1);
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) {
- 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 String descriptionText = getDescription();
- final boolean have_description = ((descriptionText != null) && !descriptionText.isEmpty());
-
- try {
- 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++;
-
- if (acc.isAmountSet()) {
- accounts_with_values++;
- }
- }
- else empty_rows++;
-
- 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;
- }
- else {
- amounts++;
- if (!acc_name.isEmpty()) amounts_with_accounts++;
- running_total += acc.getAmount();
- }
- }
-
- if ((empty_rows == 0) &&
- ((this.items.size() == accounts) || (this.items.size() == amounts)))
- {
- adapter.addRow();
- }
-
- if (single_empty_amount) {
- empty_amount.setAmountHint(String.format(Locale.US, "%1.2f",
- Misc.isZero(running_total) ? 0f : -running_total));
- }
-
- 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"));
-
- 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);
- }
- else {
- debug("submittable", "NO");
- isSubmittable.setValue(false);
- }
-
- }
- catch (NumberFormatException e) {
- debug("submittable", "NO (because of NumberFormatException)");
- isSubmittable.setValue(false);
- }
- catch (Exception e) {
- e.printStackTrace();
- debug("submittable", "NO (because of an Exception)");
- isSubmittable.setValue(false);
+ void removeRow(Item item, NewTransactionItemsAdapter adapter) {
+ int pos = items.indexOf(item);
+ items.remove(pos);
+ if (adapter != null) {
+ adapter.notifyItemRemoved(pos + 1);
+ sendCountNotifications();
}
}
- public void removeItem(int pos) {
+ void removeItem(int pos) {
items.remove(pos);
accountCount.setValue(getAccountCount());
}
- public void sendCountNotifications() {
+ 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());
+ }
+ void stopObservingBusyFlag(Observer<Boolean> observer) {
+ busyFlag.removeObserver(observer);
+ }
+ void incrementBusyCounter() {
+ int newValue = busyCounter.incrementAndGet();
+ if (newValue == 1)
+ busyFlag.postValue(true);
+ }
+ void decrementBusyCounter() {
+ int newValue = busyCounter.decrementAndGet();
+ if (newValue == 0)
+ busyFlag.postValue(false);
+ }
+ public boolean getBusyFlag() {
+ return busyFlag.getValue();
+ }
+ public void toggleShowComments() {
+ showComments.setValue(!showComments.getValue());
+ }
enum ItemType {generalData, transactionRow, bottomFiller}
- class Item extends Object {
+ enum FocusedElement {Account, Comment, Amount, Description, TransactionComment}
+
+
+ //==========================================================================================
+
+
+ static class Item {
private ItemType type;
- private MutableLiveData<Date> date = new MutableLiveData<>();
+ private MutableLiveData<SimpleDate> 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 MutableLiveData<Boolean> editable = new MutableLiveData<>(true);
- public Item(NewTransactionModel model) {
+ private FocusedElement focusedElement = FocusedElement.Account;
+ private MutableLiveData<String> comment = new MutableLiveData<>(null);
+ private MutableLiveData<Currency> currency = new MutableLiveData<>(null);
+ private MutableLiveData<Boolean> amountValid = new MutableLiveData<>(true);
+ 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, SimpleDate 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 this.editable.getValue();
- }
- public void setEditable(boolean editable) {
- ensureType(ItemType.transactionRow);
+ void setEditable(boolean editable) {
+ ensureType(ItemType.generalData, ItemType.transactionRow);
this.editable.setValue(editable);
}
- public String getAmountHint() {
+ 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();
}
- 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 (%s) differs from wanted (%s)", type,
wantedType));
}
}
- public Date getDate() {
+ public SimpleDate getDate() {
ensureType(ItemType.generalData);
return date.getValue();
}
- public void setDate(Date date) {
+ public void setDate(SimpleDate date) {
ensureType(ItemType.generalData);
this.date.setValue(date);
}
- public void setDate(String text) {
- 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);
- }
- }
+ public void setDate(String text) throws ParseException {
+ if ((text == null) || text.trim()
+ .isEmpty())
+ {
+ setDate((SimpleDate) null);
+ return;
}
- c.set(year, month, day);
-
- this.setDate(c.getTime());
+ SimpleDate date = Globals.parseLedgerDate(text);
+ this.setDate(date);
}
- 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 SimpleDate> observer) {
this.date.observe(owner, observer);
}
- public void stopObservingDate(@NonNull androidx.lifecycle.Observer<? super Date> observer) {
+ void stopObservingDate(@NonNull androidx.lifecycle.Observer<? super SimpleDate> 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);
}
+ public String getTransactionComment() {
+ ensureType(ItemType.generalData);
+ return comment.getValue();
+ }
+ public void setTransactionComment(String transactionComment) {
+ ensureType(ItemType.generalData);
+ this.comment.setValue(transactionComment);
+ }
+ void observeTransactionComment(@NonNull @NotNull LifecycleOwner owner,
+ @NonNull Observer<? super String> observer) {
+ ensureType(ItemType.generalData);
+ this.comment.observe(owner, observer);
+ }
+ void stopObservingTransactionComment(@NonNull Observer<? super String> observer) {
+ this.comment.removeObserver(observer);
+ }
public LedgerTransactionAccount getAccount() {
ensureType(ItemType.transactionRow);
return account;
*
* @return nicely formatted, shortest available date representation
*/
- public String getFormattedDate() {
- if (date == null) return null;
- Date time = date.getValue();
- if (time == null) return null;
+ String getFormattedDate() {
+ if (date == null)
+ return null;
+ SimpleDate d = date.getValue();
+ if (d == 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, myDay);
+ if (today.get(Calendar.YEAR) != d.year) {
+ return String.format(Locale.US, "%d/%02d/%02d", d.year, d.month, d.day);
}
- if (today.get(Calendar.MONTH) != myMonth) {
- return String.format(Locale.US, "%d/%02d", myMonth, myDay);
+ if (today.get(Calendar.MONTH) != d.month - 1) {
+ return String.format(Locale.US, "%d/%02d", d.month, d.day);
}
- return String.valueOf(myDay);
+ return String.valueOf(d.day);
}
- public void observeEditableFlag(NewTransactionActivity activity,
- Observer<Boolean> observer) {
+ void observeEditableFlag(NewTransactionActivity activity, Observer<Boolean> observer) {
editable.observe(activity, observer);
}
- public void stopObservingEditableFlag(Observer<Boolean> 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;
+ }
+ void validateAmount() {
+ amountValid.setValue(true);
+ }
+ void invalidateAmount() {
+ amountValid.setValue(false);
+ }
+ void observeAmountValidity(NewTransactionActivity activity, Observer<Boolean> observer) {
+ amountValid.observe(activity, observer);
+ }
+ void stopObservingAmountValidity(Observer<Boolean> observer) {
+ amountValid.removeObserver(observer);
+ }
}
}
projects / mobile-ledger.git / blobdiff