C++ WComboBox::isValid方法代码示例

本文整理汇总了C++中WComboBox::isValid方法的典型用法代码示例。如果您正苦于以下问题：C++ WComboBox::isValid方法的具体用法？C++ WComboBox::isValid怎么用？C++ WComboBox::isValid使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WComboBox的用法示例。

在下文中一共展示了WComboBox::isValid方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: setModelData

void PoitemTableDelegate::setModelData(QWidget *editor, QAbstractItemModel *pModel, const QModelIndex &index) const
{
  bool hitError = false;
  QVariant oldval = pModel->data(index);
  PoitemTableModel *model = static_cast<PoitemTableModel*>(pModel);

  switch (index.column())
  {
    case ITEM_NUMBER_COL:
    {
      ItemLineEdit *item = static_cast<ItemLineEdit*>(editor);
      if (item->itemNumber() != oldval.toString())
      {
	if (item->itemNumber().isEmpty())
	{
	  model->setData(index, new QVariant());
	  model->setData(model->index(index.row(), ITEM_ID_COL), new QVariant());
	  model->setData(model->index(index.row(), POITEM_ITEMSITE_ID_COL), new QVariant());
	  model->setData(model->index(index.row(), WAREHOUS_ID_COL), new QVariant());
	  model->setData(model->index(index.row(), WAREHOUS_CODE_COL), new QVariant());
	  model->setData(model->index(index.row(), POITEM_ITEMSRC_ID_COL), new QVariant());
	  model->setData(model->index(index.row(), POITEM_VEND_ITEM_NUMBER_COL), new QVariant());
	  model->setData(model->index(index.row(), POITEM_VEND_ITEM_DESCRIP_COL), new QVariant());
	  model->setData(model->index(index.row(), POITEM_VEND_UOM_COL), new QVariant());
	  model->setData(model->index(index.row(), ITEMSRC_MINORDQTY_COL), new QVariant());
	  model->setData(model->index(index.row(), ITEMSRC_MULTORDQTY_COL), new QVariant());
	  model->setData(model->index(index.row(), ITEMSRC_INVVENDORUOMRATIO_COL), new QVariant());
	  model->setData(model->index(index.row(), POITEM_INVVENDUOMRATIO_COL), new QVariant());
	  model->setData(model->index(index.row(), EARLIESTDATE_COL), new QVariant());
	}
	else
	{
	  model->setData(index, item->itemNumber());
	  model->setData(model->index(index.row(), ITEM_ID_COL), item->id());

	  if (item->isValid())
	  {
	    XSqlQuery itemq;
	    itemq.prepare("SELECT (warehous_id=:preferred) AS preferred, "
			  "       itemsite_id, warehous_id, warehous_code "
			  "FROM itemsite, whsinfo "
			  "WHERE ((itemsite_item_id=:item_id)"
			  "   AND (itemsite_warehous_id=warehous_id)) "
			  "ORDER BY preferred DESC, warehous_code "
			  "LIMIT 1;");
	    itemq.bindValue(":item_id", item->id());
	    itemq.bindValue(":preferred",
			   _x_preferences->value("PreferredWarehouse").toInt());
	    itemq.exec();
	    if (itemq.first())
	    {
	      model->setData(model->index(index.row(), POITEM_ITEMSITE_ID_COL), itemq.value("itemsite_id").toInt());
	      model->setData(model->index(index.row(), WAREHOUS_ID_COL), itemq.value("warehous_id").toInt());
	      model->setData(model->index(index.row(), WAREHOUS_CODE_COL), itemq.value("warehous_code").toString());
	    }
	    else if (itemq.lastError().type() != QSqlError::None)
	    {
	      systemError(0, itemq.lastError().databaseText(), __FILE__, __LINE__);
	      hitError = true;
	      break;
	    }
	    else
	    {
	      systemError(0, QString("Could not find Item Site for %1 (%2).")
			      .arg(item->itemNumber()).arg(item->id()));
	      hitError = true;
	      break;
	    }

	    if (_metrics->boolean("RequireStdCostForPOItem"))
	    {
	      XSqlQuery stdcostq;
	      stdcostq.prepare("SELECT stdCost(:item_id) AS result");
	      stdcostq.bindValue(":item_id", item->id());
	      stdcostq.exec();
	      if(stdcostq.first() && stdcostq.value("result").toDouble() == 0.0)
	      {
		QMessageBox::critical(0, tr("Selected Item Missing Cost"),
			tr("<p>The selected item has no Std. Costing information. "
			   "Please see your controller to correct this situation "
			   "before continuing."));
		model->setData(index, new QString());
		model->setData(model->index(index.row(), POITEM_ITEMSITE_ID_COL), new QVariant());
		model->setData(model->index(index.row(), WAREHOUS_ID_COL), new QVariant());
		model->setData(model->index(index.row(), WAREHOUS_CODE_COL), new QString());
		model->setData(index, new QString());
		hitError = true;
		break;
	      }
	      else if (stdcostq.lastError().type() != QSqlError::None)
	      {
		systemError(0, stdcostq.lastError().databaseText(), __FILE__, __LINE__);
		hitError = true;
		break;
	      }
	    }

	    XSqlQuery itemsrcq;
	    itemsrcq.prepare( "SELECT itemsrc_id, itemsrc_vend_item_number,"
		       "       itemsrc_vend_item_descrip, itemsrc_vend_uom,"
//.........这里部分代码省略.........

开发者ID:，项目名称:，代码行数:101，代码来源:

示例2: setModelData

void PoitemTableDelegate::setModelData(QWidget *editor, QAbstractItemModel *pModel, const QModelIndex &index) const
{
  XSqlQuery PoitemetModelData;
  if (DEBUG)
    qDebug("PoitemTableDelegate::setModelData() entered");
  bool hitError = false;
  QVariant oldval = pModel->data(index);
  PoitemTableModel *model = static_cast<PoitemTableModel*>(pModel);

  switch (index.column())
  {
    case ITEM_NUMBER_COL:
    {
      ItemLineEdit *item = static_cast<ItemLineEdit*>(editor);
      if (item->itemNumber() != oldval.toString())
      {
	if (item->itemNumber().isEmpty())
	{
	  model->setData(index, QVariant());
	  model->setData(model->index(index.row(), ITEM_ID_COL), QVariant());
	  model->setData(model->index(index.row(), POITEM_ITEMSITE_ID_COL), QVariant());
	  model->setData(model->index(index.row(), WAREHOUS_ID_COL), QVariant());
	  model->setData(model->index(index.row(), WAREHOUS_CODE_COL), QVariant());
	  model->setData(model->index(index.row(), POITEM_ITEMSRC_ID_COL), QVariant());
	  model->setData(model->index(index.row(), POITEM_VEND_ITEM_NUMBER_COL), QVariant());
	  model->setData(model->index(index.row(), POITEM_VEND_ITEM_DESCRIP_COL), QVariant());
	  model->setData(model->index(index.row(), POITEM_VEND_UOM_COL), QVariant());
	  model->setData(model->index(index.row(), ITEMSRC_MINORDQTY_COL), QVariant());
	  model->setData(model->index(index.row(), ITEMSRC_MULTORDQTY_COL), QVariant());
	  model->setData(model->index(index.row(), ITEMSRC_INVVENDORUOMRATIO_COL), QVariant());
	  model->setData(model->index(index.row(), POITEM_INVVENDUOMRATIO_COL), QVariant());
	  model->setData(model->index(index.row(), EARLIESTDATE_COL), QVariant());
	}
	else
	{
	  model->setData(index, item->itemNumber());
	  model->setData(model->index(index.row(), ITEM_ID_COL), item->id());

	  if (item->isValid())
	  {
	    XSqlQuery itemq;
	    itemq.prepare("SELECT (warehous_id=:preferred) AS preferred, "
			  "       itemsite_id, warehous_id, warehous_code "
			  "FROM itemsite, whsinfo "
			  "WHERE ((itemsite_item_id=:item_id)"
			  "   AND (itemsite_warehous_id=warehous_id)) "
			  "ORDER BY preferred DESC, warehous_code "
			  "LIMIT 1;");
	    itemq.bindValue(":item_id", item->id());
	    itemq.bindValue(":preferred",
			   _x_preferences->value("PreferredWarehouse").toInt());
	    itemq.exec();
	    if (itemq.first())
	    {
	      model->setData(model->index(index.row(), POITEM_ITEMSITE_ID_COL), itemq.value("itemsite_id").toInt());
	      model->setData(model->index(index.row(), WAREHOUS_ID_COL), itemq.value("warehous_id").toInt());
	      model->setData(model->index(index.row(), WAREHOUS_CODE_COL), itemq.value("warehous_code").toString());
	    }
        else if (ErrorReporter::error(QtCriticalMsg, 0, tr("Error Retrieving PO Information"),
                                      itemq, __FILE__, __LINE__))
        {
          hitError = true;
          break;
        }
	    else
	    {
          ErrorReporter::error(QtCriticalMsg, 0, tr("Error Occurred"),
                               tr("Could not find Item Site for %1 (%2).")
                               .arg(item->itemNumber())
                               .arg(item->id()),__FILE__,__LINE__);
	      hitError = true;
	      break;
	    }

	    if (_metrics->boolean("RequireStdCostForPOItem"))
	    {
	      XSqlQuery stdcostq;
	      stdcostq.prepare("SELECT stdCost(:item_id) AS result");
	      stdcostq.bindValue(":item_id", item->id());
	      stdcostq.exec();
	      if(stdcostq.first() && stdcostq.value("result").toDouble() == 0.0)
	      {
		QMessageBox::critical(0, tr("Selected Item Missing Cost"),
			tr("<p>The selected item has no Std. Costing information. "
			   "Please see your controller to correct this situation "
			   "before continuing."));
		model->setData(index, QString());
		model->setData(model->index(index.row(), POITEM_ITEMSITE_ID_COL), QVariant());
		model->setData(model->index(index.row(), WAREHOUS_ID_COL), QVariant());
		model->setData(model->index(index.row(), WAREHOUS_CODE_COL), QString());
		model->setData(index, QString());
		hitError = true;
		break;
	      }
          else if (ErrorReporter::error(QtCriticalMsg, 0, tr("Error Retrieving Standard Cost Information"),
                                        stdcostq, __FILE__, __LINE__))
          {
            hitError = true;
            break;
          }
//.........这里部分代码省略.........

开发者ID:dwatson78，项目名称:qt-client，代码行数:101，代码来源:poitemTableView.cpp

注：本文中的WComboBox::isValid方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。