Added recalculating receipt on item count changed. Some UI changes.

shop/data/voucher.cpp

@@ -74,6 +74,11 @@ void Voucher::addItem(QSharedPointer<VoucherItem> item)
     m_items.append(item);
 }
 
+void Voucher::removeItem(QSharedPointer<VoucherItem> item)
+{
+    m_items.removeOne(item);
+}
+
 void Voucher::clearItems()
 {
     m_items.clear();

shop/data/voucher.h

@@ -56,6 +56,7 @@ public:
     void setItems(const QList<QSharedPointer<VoucherItem> > &items);
 
     void addItem(QSharedPointer<VoucherItem> item);
+    void removeItem(QSharedPointer<VoucherItem> item);
     void clearItems();
 
 private:

shop/data/voucheritem.cpp

@@ -7,6 +7,7 @@ VoucherItem::VoucherItem(QObject *parent) : QObject(parent)
     m_unitPrice = 0;
     m_count = 0;
     m_refId = 0;
+    m_vatType = Enums::HIGH;
 }
 
 int VoucherItem::id() const
@@ -37,6 +38,7 @@ int VoucherItem::count() const
 void VoucherItem::setCount(int count)
 {
     m_count = count;
+    emit countChanged();
 }
 
 QDecDouble VoucherItem::unitPrice() const

shop/data/voucheritem.h

@@ -14,7 +14,7 @@ class VoucherItem : public QObject
     Q_OBJECT
 
     Q_PROPERTY(QString name READ name WRITE setName)
-    Q_PROPERTY(int count READ count WRITE setCount)
+    Q_PROPERTY(int count READ count WRITE setCount NOTIFY countChanged)
     Q_PROPERTY(QDecDouble unitPrice READ unitPrice WRITE setUnitPrice)
     Q_PROPERTY(QDecDouble price READ price WRITE setPrice)
     Q_PROPERTY(Enums::VatType vatType READ vatType WRITE setVatType)
@@ -46,6 +46,9 @@ public:
     Enums::VatType vatType() const;
     void setVatType(const Enums::VatType &vatType);
 
+signals:
+    void countChanged();
+
 private:
     friend class odb::access;
 #pragma db id auto