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

shop/shopform.cpp

@@ -16,6 +16,7 @@ ShopForm::ShopForm(QWidget *parent) :
     m_itemsModel = new AutoTableModel<VoucherItem>(this);
     m_itemsModel->setEditableCols(QList<int>() << 1);
     ui->actualReceipt->setModel(m_itemsModel);
+    ui->actualReceipt->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
 }
 
 ShopForm::~ShopForm()
@@ -31,6 +32,8 @@ void ShopForm::on_directSale_clicked()
         ShopService srv;
         srv.addShopItem(m_voucher, form->shopItem(), ((DirectSaleItem*)form->shopItem().data())->count());
         this->m_itemsModel->addRow(m_voucher->items()[m_voucher->items().count() - 1]);
+        connect(m_voucher->items()[m_voucher->items().count() - 1].data(), SIGNAL(countChanged()), this, SLOT(onCountChanged()));
+        onCountChanged();
     });
 
     form->show();
@@ -53,3 +56,25 @@ void ShopForm::on_loadButton_clicked()
     ReceiptLoadForm *form = new ReceiptLoadForm;
     form->show();
 }
+
+void ShopForm::onCountChanged()
+{
+    VoucherItem *item = qobject_cast<VoucherItem*>(sender());
+    if (item != NULL && item->count() == 0)
+    {
+        for (int i = 0; i < m_voucher->items().count(); i++)
+        {
+            if (m_voucher->items()[i].data() == item)
+            {
+                m_voucher->removeItem(m_voucher->items()[i]);
+                m_itemsModel->setData(m_voucher->items());
+            }
+        }
+    }
+
+    ShopService srv;
+    srv.calculate(m_voucher);
+    ui->total->setText(m_voucher->totalPrice().toString());
+
+    //if (m_voucher->status())
+}