X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fmodel%2FData.java;h=a278a1b6318cd361143cf5d9ae7ef5c5c1b3ead6;hb=a60b600eb8cd74de9cb15d6c958cd94b43927d92;hp=2a6f0d5f98a4ae41ed56dc4ad48665e0236e6893;hpb=90383a155ec16a9f13b1e6ac94a118033e09b3aa;p=mobile-ledger.git diff --git a/app/src/main/java/net/ktnx/mobileledger/model/Data.java b/app/src/main/java/net/ktnx/mobileledger/model/Data.java index 2a6f0d5f..a278a1b6 100644 --- a/app/src/main/java/net/ktnx/mobileledger/model/Data.java +++ b/app/src/main/java/net/ktnx/mobileledger/model/Data.java @@ -1,5 +1,5 @@ /* - * 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 @@ -21,6 +21,12 @@ import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.os.AsyncTask; +import androidx.annotation.NonNull; +import androidx.annotation.Nullable; +import androidx.lifecycle.LifecycleOwner; +import androidx.lifecycle.MutableLiveData; +import androidx.lifecycle.Observer; + import net.ktnx.mobileledger.App; import net.ktnx.mobileledger.async.RetrieveTransactionsTask; import net.ktnx.mobileledger.ui.activity.MainActivity; @@ -29,33 +35,49 @@ import net.ktnx.mobileledger.utils.Locker; import net.ktnx.mobileledger.utils.Logger; import net.ktnx.mobileledger.utils.MLDB; import net.ktnx.mobileledger.utils.ObservableList; -import net.ktnx.mobileledger.utils.ObservableValue; +import net.ktnx.mobileledger.utils.SimpleDate; import java.lang.ref.WeakReference; +import java.text.NumberFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Locale; +import java.util.Objects; import java.util.concurrent.atomic.AtomicInteger; -import androidx.lifecycle.MutableLiveData; - import static net.ktnx.mobileledger.utils.Logger.debug; public final class Data { - public static ObservableList transactions = + public static final ObservableList transactions = new ObservableList<>(new ArrayList<>()); - public static ObservableList accounts = new ObservableList<>(new ArrayList<>()); - public static MutableLiveData backgroundTasksRunning = new MutableLiveData<>(false); - public static MutableLiveData lastUpdateDate = new MutableLiveData<>(); - public static MutableLiveData profile = new MutableLiveData<>(); - public static MutableLiveData> profiles = - new MutableLiveData<>(new ArrayList<>()); - public static ObservableValue optShowOnlyStarred = new ObservableValue<>(); - public static MutableLiveData accountFilter = new MutableLiveData<>(); - private static AtomicInteger backgroundTaskCount = new AtomicInteger(0); - private static Locker profilesLocker = new Locker(); + public static final MutableLiveData earliestTransactionDate = + new MutableLiveData<>(null); + public static final MutableLiveData latestTransactionDate = + new MutableLiveData<>(null); + public static final MutableLiveData backgroundTasksRunning = + new MutableLiveData<>(false); + public static final MutableLiveData backgroundTaskProgress = + new MutableLiveData<>(); + public static final MutableLiveData lastUpdateDate = new MutableLiveData<>(); + public static final MutableLiveData> profiles = + new MutableLiveData<>(null); + public static final MutableLiveData accountFilter = new MutableLiveData<>(); + public static final MutableLiveData currencySymbolPosition = + new MutableLiveData<>(); + public static final MutableLiveData currencyGap = new MutableLiveData<>(true); + public static final MutableLiveData locale = new MutableLiveData<>(Locale.getDefault()); + public static final MutableLiveData drawerOpen = new MutableLiveData<>(false); + private static final MutableLiveData profile = + new InertMutableLiveData<>(); + private static final AtomicInteger backgroundTaskCount = new AtomicInteger(0); + private static final Locker profilesLocker = new Locker(); + public static MutableLiveData foundTransactionItemIndex = new MutableLiveData<>(null); private static RetrieveTransactionsTask retrieveTransactionsTask; + @NonNull + public static MobileLedgerProfile getProfile() { + return Objects.requireNonNull(profile.getValue()); + } public static void backgroundTaskStarted() { int cnt = backgroundTaskCount.incrementAndGet(); debug("data", @@ -70,18 +92,20 @@ public final class Data { cnt)); backgroundTasksRunning.postValue(cnt > 0); } - public static void setCurrentProfile(MobileLedgerProfile newProfile) { + public static void setCurrentProfile(@NonNull MobileLedgerProfile newProfile) { MLDB.setOption(MLDB.OPT_PROFILE_UUID, newProfile.getUuid()); stopTransactionsRetrieval(); - profile.postValue(newProfile); + profile.setValue(newProfile); } public static int getProfileIndex(MobileLedgerProfile profile) { try (LockHolder ignored = profilesLocker.lockForReading()) { List prList = profiles.getValue(); - assert prList != null; + if (prList == null) + throw new AssertionError(); for (int i = 0; i < prList.size(); i++) { MobileLedgerProfile p = prList.get(i); - if (p.equals(profile)) return i; + if (p.equals(profile)) + return i; } return -1; @@ -91,10 +115,13 @@ public final class Data { public static int getProfileIndex(String profileUUID) { try (LockHolder ignored = profilesLocker.lockForReading()) { List prList = profiles.getValue(); - assert prList != null; + if (prList == null) + throw new AssertionError(); for (int i = 0; i < prList.size(); i++) { MobileLedgerProfile p = prList.get(i); - if (p.getUuid().equals(profileUUID)) return i; + if (p.getUuid() + .equals(profileUUID)) + return i; } return -1; @@ -102,23 +129,25 @@ public final class Data { } public static int retrieveCurrentThemeIdFromDb() { String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null); - if (profileUUID == null) return -1; + if (profileUUID == null) + return -1; SQLiteDatabase db = App.getDatabase(); - try (Cursor c = db - .rawQuery("SELECT theme from profiles where uuid=?", new String[]{profileUUID})) + try (Cursor c = db.rawQuery("SELECT theme from profiles where uuid=?", + new String[]{profileUUID})) { - if (c.moveToNext()) return c.getInt(0); + if (c.moveToNext()) + return c.getInt(0); } return -1; } + @Nullable public static MobileLedgerProfile getProfile(String profileUUID) { MobileLedgerProfile profile; try (LockHolder readLock = profilesLocker.lockForReading()) { List prList = profiles.getValue(); - assert prList != null; - if (prList.isEmpty()) { + if ((prList == null) || prList.isEmpty()) { readLock.close(); try (LockHolder ignored = profilesLocker.lockForWriting()) { profile = MobileLedgerProfile.loadAllFromDB(profileUUID); @@ -126,7 +155,8 @@ public final class Data { } else { int i = getProfileIndex(profileUUID); - if (i == -1) i = 0; + if (i == -1) + i = 0; profile = prList.get(i); } } @@ -137,6 +167,12 @@ public final class Data { Logger.debug("db", "Ignoring request for transaction retrieval - already active"); return; } + MobileLedgerProfile pr = profile.getValue(); + if (pr == null) { + Logger.debug("ui", "Ignoring refresh -- no current profile"); + return; + } + retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(activity), profile.getValue()); Logger.debug("db", "Created a background transaction retrieval task"); @@ -144,9 +180,57 @@ public final class Data { retrieveTransactionsTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); } public static synchronized void stopTransactionsRetrieval() { - if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false); + if (retrieveTransactionsTask != null) + retrieveTransactionsTask.cancel(false); } public static void transactionRetrievalDone() { retrieveTransactionsTask = null; } -} + public static void refreshCurrencyData(Locale locale) { + NumberFormat formatter = NumberFormat.getCurrencyInstance(locale); + java.util.Currency currency = formatter.getCurrency(); + String symbol = currency.getSymbol(); + Logger.debug("locale", String.format( + "Discovering currency symbol position for locale %s (currency is %s; symbol is %s)", + locale.toString(), currency.toString(), symbol)); + String formatted = formatter.format(1234.56f); + Logger.debug("locale", String.format("1234.56 formats as '%s'", formatted)); + + if (formatted.startsWith(symbol)) { + currencySymbolPosition.setValue(Currency.Position.before); + + // is the currency symbol directly followed by the first formatted digit? + final char canary = formatted.charAt(symbol.length()); + currencyGap.setValue(canary != '1'); + } + else if (formatted.endsWith(symbol)) { + currencySymbolPosition.setValue(Currency.Position.after); + + // is the currency symbol directly preceded bu the last formatted digit? + final char canary = formatted.charAt(formatted.length() - symbol.length() - 1); + currencyGap.setValue(canary != '6'); + } + else + currencySymbolPosition.setValue(Currency.Position.none); + } + + public static void observeProfile(LifecycleOwner lifecycleOwner, + Observer observer) { + profile.observe(lifecycleOwner, observer); + } + public synchronized static MobileLedgerProfile initProfile() { + MobileLedgerProfile currentProfile = profile.getValue(); + if (currentProfile != null) + return currentProfile; + + String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null); + MobileLedgerProfile startupProfile = getProfile(profileUUID); + if (startupProfile != null) + setCurrentProfile(startupProfile); + return startupProfile; + } + + public static void removeProfileObservers(LifecycleOwner owner) { + profile.removeObservers(owner); + } +} \ No newline at end of file