X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fui%2Factivity%2FNewTransactionModel.java;h=83ffbb8f7bed90cdf747e60cc0daf6ef3d61e182;hp=03887c19410137857cc6eacbcc1c2e9673b8d47f;hb=a1f5cf187a6bc2731aa1ed057d3d11fccc5de2c4;hpb=6ca003394e24fb1b47cdaa2ca31679ec6da88af0

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
index 03887c19..83ffbb8f 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
@@ -241,6 +241,7 @@ public class NewTransactionModel extends ViewModel {
         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;
@@ -489,5 +490,17 @@ public class NewTransactionModel extends ViewModel {
         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);
+        }
     }
 }