Not displaying 0 values for int and double columns in table view, but still using a SpinBox delegate when editing.

libs/BeetRoundCore/model/modelitem.cpp

@@ -19,6 +19,13 @@ QVariant ModelItem::data(int role) const {
     case JsonObjectRole:
       return toJsonObject();
       break;
+    case MembershipNumberRole:
+    case ShareAmountRole:
+    case Bidding1Role:
+    case Bidding2Role:
+    case Bidding3Role:
+      return getValueButReplaceZeroValueWithEmptyString(role);
+      break;
     default:
       return m_values.value(role);
   }
@@ -95,3 +102,12 @@ QJsonObject ModelItem::toJsonObject() const {
   }
   return itemObject;
 }
+
+QVariant ModelItem::getValueButReplaceZeroValueWithEmptyString(const int role) const {
+  QVariant localValue = m_values.value(role, QVariant());
+  if (localValue == 0) {
+    return QVariant();
+  } else {
+    return localValue;
+  }
+}

libs/BeetRoundCore/model/modelitem.h

@@ -20,6 +20,8 @@ class ModelItem {
 
  private:
   ModelItemValues m_values;
+
+  QVariant getValueButReplaceZeroValueWithEmptyString(const int role) const;
 };
 
 #endif  // MODELITEM_H