drop improper list copy

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / new_transaction / NewTransactionModel.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionModel.java b/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionModel.java
index a4fe14d2a0c65216e6fec6033bf58e73c0800327..707bc089cdf14ef3918ad74af4f7ea118f165aae 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionModel.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionModel.java
@@ -18,6 +18,8 @@
 package net.ktnx.mobileledger.ui.new_transaction;
 
 import android.annotation.SuppressLint;
+import android.os.Handler;
+import android.os.Looper;
 import android.text.TextUtils;
 
 import androidx.annotation.NonNull;
@@ -168,10 +170,13 @@ public class NewTransactionModel extends ViewModel {
         return this.isSubmittable;
     }
     void reset() {
+        Logger.debug("new-trans", "Resetting model");
         List<Item> list = new ArrayList<>();
         list.add(new TransactionHead(""));
         list.add(new TransactionAccount(""));
         list.add(new TransactionAccount(""));
+        noteFocusChanged(0, FocusedElement.Description);
+        isSubmittable.setValue(false);
         setItemsWithoutSubmittableChecks(list);
     }
     boolean accountsInInitialState() {
@@ -276,7 +281,7 @@ public class NewTransactionModel extends ViewModel {
                   newItems.add(accRow);
               }
 
-              items.postValue(newItems);
+              new Handler(Looper.getMainLooper()).post(() -> setItems(newItems));
           });
     }
     private int extractIntFromMatches(MatchResult m, Integer group, Integer literal) {
@@ -356,7 +361,20 @@ public class NewTransactionModel extends ViewModel {
             list.add(list.remove(index));
     }
     void toggleCurrencyVisible() {
-        showCurrency.setValue(!Objects.requireNonNull(showCurrency.getValue()));
+        final boolean newValue = !Objects.requireNonNull(showCurrency.getValue());
+
+        // remove currency from all items, or reset currency to the default
+        // no need to clone the list, because the removal of the currency won't lead to
+        // visual changes -- the currency fields will be hidden or reset to default anyway
+        // still, there may be changes in the submittable state
+        final List<Item> list = Objects.requireNonNull(this.items.getValue());
+        for (int i = 1; i < list.size(); i++) {
+            ((TransactionAccount) list.get(i)).setCurrency(newValue ? Data.getProfile()
+                                                                          .getDefaultCommodity()
+                                                                    : null);
+        }
+        checkTransactionSubmittable(null);
+        showCurrency.setValue(newValue);
     }
     void stopObservingBusyFlag(Observer<Boolean> observer) {
         busyFlag.removeObserver(observer);
@@ -612,17 +630,17 @@ public class NewTransactionModel extends ViewModel {
                                         String.format("Resetting hint of '%s' [%s]",
                                                 Misc.nullIsEmpty(acc.getAccountName()),
                                                 balCurrency));
-                            if (acc.amountHintIsSet && !TextUtils.isEmpty(acc.getAmountHint())) {
+                            // skip if the amount is set, in which case the hint is not
+                            // important/visible
+                            if (!acc.isAmountSet() && acc.amountHintIsSet &&
+                                !TextUtils.isEmpty(acc.getAmountHint()))
+                            {
                                 if (workingWithLiveList && !liveListCopied) {
                                     list = copyList(list);
                                     liveListCopied = true;
                                 }
                                 final TransactionAccount newAcc = new TransactionAccount(acc);
                                 newAcc.setAmountHint(null);
-                                if (!liveListCopied) {
-                                    list = copyList(list);
-                                    liveListCopied = true;
-                                }
                                 list.set(i, newAcc);
                                 listChanged = true;
                             }
@@ -1031,8 +1049,9 @@ public class NewTransactionModel extends ViewModel {
         private boolean amountSet;
         private boolean amountValid = true;
         private FocusedElement focusedElement = FocusedElement.Account;
-        private boolean amountHintIsSet = false;
+        private boolean amountHintIsSet = true;
         private boolean isLast = false;
+        private int accountNameCursorPosition;
         public TransactionAccount(TransactionAccount origin) {
             id = origin.id;
             accountName = origin.accountName;
@@ -1045,6 +1064,7 @@ public class NewTransactionModel extends ViewModel {
             amountValid = origin.amountValid;
             focusedElement = origin.focusedElement;
             isLast = origin.isLast;
+            accountNameCursorPosition = origin.accountNameCursorPosition;
         }
         public TransactionAccount(LedgerTransactionAccount account) {
             super();
@@ -1149,25 +1169,37 @@ public class NewTransactionModel extends ViewModel {
             if (!TextUtils.isEmpty(comment))
                 b.append(String.format(" /%s/", comment));
 
+            if (isLast)
+                b.append(" last");
+
             return b.toString();
         }
         public boolean equalContents(TransactionAccount other) {
             if (other == null)
                 return false;
 
-            boolean equal = TextUtils.equals(accountName, other.accountName) &&
-                            TextUtils.equals(comment, other.comment) &&
-                            (amountSet ? other.amountSet && amount == other.amount
-                                       : !other.amountSet) &&
-                            (amountHintIsSet ? other.amountHintIsSet &&
-                                               TextUtils.equals(amountHint, other.amountHint)
-                                             : !other.amountHintIsSet) &&
-                            TextUtils.equals(currency, other.currency) && isLast == other.isLast;
+            boolean equal = TextUtils.equals(accountName, other.accountName);
+            equal = equal && TextUtils.equals(comment, other.comment) &&
+                    (amountSet ? other.amountSet && amount == other.amount : !other.amountSet);
+
+            // compare amount hint only if there is no amount
+            if (!amountSet)
+                equal = equal && (amountHintIsSet ? other.amountHintIsSet &&
+                                                    TextUtils.equals(amountHint, other.amountHint)
+                                                  : !other.amountHintIsSet);
+            equal = equal && TextUtils.equals(currency, other.currency) && isLast == other.isLast;
+
             Logger.debug("new-trans",
                     String.format("Comparing {%s} and {%s}: %s", this.toString(), other.toString(),
                             equal));
             return equal;
         }
+        public int getAccountNameCursorPosition() {
+            return accountNameCursorPosition;
+        }
+        public void setAccountNameCursorPosition(int position) {
+            this.accountNameCursorPosition = position;
+        }
     }
 
     private static class BalanceForCurrency {