LedgerAccount: fix NPE in getAmountCount() when there are no amounts

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / model / LedgerAccount.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/LedgerAccount.java b/app/src/main/java/net/ktnx/mobileledger/model/LedgerAccount.java
index 081b7bc94f35fe9d2d23a4d58a42da43d7ff7532..256be6f082f7ee936f94943efde6782cf82386c3 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/model/LedgerAccount.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/LedgerAccount.java
@@ -119,7 +119,7 @@ public class LedgerAccount {
     public void addAmount(float amount) {
         this.addAmount(amount, null);
     }
-
+    public int getAmountCount() { return (amounts != null) ? amounts.size() : 0; }
     public String getAmountsString() {
         if ((amounts == null) || amounts.isEmpty()) return "";
 
@@ -132,7 +132,21 @@ public class LedgerAccount {
 
         return builder.toString();
     }
+    public String getAmountsString(int limit) {
+        if ((amounts == null) || amounts.isEmpty()) return "";
+
+        int included = 0;
+        StringBuilder builder = new StringBuilder();
+        for (LedgerAmount amount : amounts) {
+            String amt = amount.toString();
+            if (builder.length() > 0) builder.append('\n');
+            builder.append(amt);
+            included++;
+            if (included == limit) break;
+        }
 
+        return builder.toString();
+    }
     public int getLevel() {
         return level;
     }
@@ -179,4 +193,5 @@ public class LedgerAccount {
     public boolean amountsExpanded() { return amountsExpanded; }
     public void setAmountsExpanded(boolean flag) { amountsExpanded = flag; }
     public void toggleAmountsExpanded() { amountsExpanded = !amountsExpanded; }
+
 }