/*
- * Copyright © 2020 Damyan Ivanov.
+ * Copyright © 2021 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.async;
-import android.os.AsyncTask;
-
-import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.TransactionListItem;
-import net.ktnx.mobileledger.utils.LockHolder;
+import net.ktnx.mobileledger.ui.MainModel;
import net.ktnx.mobileledger.utils.Logger;
import net.ktnx.mobileledger.utils.SimpleDate;
+import org.jetbrains.annotations.NotNull;
+
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
+import java.util.Objects;
-public class TransactionDateFinder extends AsyncTask<SimpleDate, Void, Integer> {
- @Override
- protected void onPostExecute(Integer pos) {
- Data.foundTransactionItemIndex.setValue(pos);
+public class TransactionDateFinder extends Thread {
+ private final MainModel model;
+ private final SimpleDate date;
+ public TransactionDateFinder(MainModel model, SimpleDate date) {
+ this.model = model;
+ this.date = date;
}
@Override
- protected Integer doInBackground(SimpleDate... simpleDates) {
- SimpleDate date = simpleDates[0];
+ public void run() {
Logger.debug("go-to-date",
String.format(Locale.US, "Looking for date %04d-%02d-%02d", date.year, date.month,
date.day));
- Logger.debug("go-to-date", String.format(Locale.US, "List contains %d transactions",
- Data.transactions.size()));
+ List<TransactionListItem> transactions = Objects.requireNonNull(
+ model.getDisplayedTransactions()
+ .getValue());
+ final int transactionCount = transactions.size();
+ Logger.debug("go-to-date",
+ String.format(Locale.US, "List contains %d transactions", transactionCount));
- try (LockHolder locker = Data.transactions.lockForWriting()) {
- List<TransactionListItem> transactions = Data.transactions.getList();
- TransactionListItem target = new TransactionListItem(date, true);
- int found = Collections.binarySearch(transactions, target,
- new TransactionListItemComparator());
- if (found >= 0)
- return found;
- else
- return 1 - found;
- }
+ TransactionListItem target = new TransactionListItem(date, true);
+ int found =
+ Collections.binarySearch(transactions, target, new TransactionListItemComparator());
+ if (found < 0)
+ found = -1 - found;
+
+ model.foundTransactionItemIndex.postValue(found);
}
+
static class TransactionListItemComparator implements Comparator<TransactionListItem> {
@Override
- public int compare(TransactionListItem a, TransactionListItem b) {
+ public int compare(@NotNull TransactionListItem a, @NotNull TransactionListItem b) {
+ final TransactionListItem.Type aType = a.getType();
+ if (aType == TransactionListItem.Type.HEADER)
+ return +1;
+ final TransactionListItem.Type bType = b.getType();
+ if (bType == TransactionListItem.Type.HEADER)
+ return -1;
final SimpleDate aDate = a.getDate();
final SimpleDate bDate = b.getDate();
int res = aDate.compareTo(bDate);
if (res != 0)
return -res; // transactions are reverse sorted by date
- if (a.getType() == TransactionListItem.Type.DELIMITER) {
- if (b.getType() == TransactionListItem.Type.DELIMITER)
+ if (aType == TransactionListItem.Type.DELIMITER) {
+ if (bType == TransactionListItem.Type.DELIMITER)
return 0;
else
return -1;
}
else {
- if (b.getType() == TransactionListItem.Type.DELIMITER)
+ if (bType == TransactionListItem.Type.DELIMITER)
return +1;
else
return 0;