Russian Qt Forum

CSpinBoxDelegate::CSpinBoxDelegate(QObject *parent)
: QItemDelegate(parent)
{
}
//------------------------------------------------------------------------------

CSpinBoxDelegate::CSpinBoxDelegate
(
 int iMinEx, 
 int iMaxEx, 
 int iStepEx,
 QObject *parent
 ): QItemDelegate(parent)
{
	iMin = iMinEx; 
	iMax = iMaxEx; 
	iStep = iStepEx;
}
//------------------------------------------------------------------------------

void CSpinBoxDelegate::SetParametrs
(
 int iMinEx, 
 int iMaxEx, 
 int iStepEx
 )
{
	iMin = iMinEx; 
	iMax = iMaxEx; 
	iStep = iStepEx;
}

//------------------------------------------------------------------------------

QWidget* CSpinBoxDelegate::createEditor
(
 QWidget *parent,
 const QStyleOptionViewItem &/* option */,
 const QModelIndex &index 
 ) const
{
	if (index.column()==0)
		return 0;

	QSpinBox *pSpinBox = new QSpinBox(parent);
	pSpinBox->setMinimum(iMin);
	pSpinBox->setMaximum(iMax);
	pSpinBox->setSingleStep(iStep);

	return pSpinBox;
}
//------------------------------------------------------------------------------

void CSpinBoxDelegate::setEditorData
(
 QWidget *editor,
 const QModelIndex &index
 ) const
{
	if (index.column()==0)
		return;
	int value = index.model()->data(index).toInt();

	QSpinBox *pSpinBox = static_cast<QSpinBox*>(editor);
	pSpinBox->setValue(value);
}
//------------------------------------------------------------------------------

void CSpinBoxDelegate::setModelData
(
 QWidget *editor, 
 QAbstractItemModel *model,
 const QModelIndex &index
 ) const
{
	if (index.column()==0)
		return;
	QSpinBox *pSpinBox = static_cast<QSpinBox*>(editor);
	pSpinBox->interpretText();
	int value = pSpinBox->value();

	model->setData(index, value);
}
//------------------------------------------------------------------------------

void CSpinBoxDelegate::updateEditorGeometry
(
 QWidget *editor,
 const QStyleOptionViewItem &option, 
 const QModelIndex &index 
 ) const
{
	if (index.column()==0)
		return;
	editor->setGeometry(option.rect);
}

QStringList  lst;
lst << tr("Свойство") << tr("Значение");

QTreeWidget* tw;
tw = new QTreeWidget;
tw->setHeaderLabels(lst);

QTreeWidgetItem* pItem;		
pItem->setText(0, tr("Значение"));
pItem->setFlags(Qt::ItemIsEditable|Qt::ItemIsEnabled);
CSpinBoxDelegate * sb = new CSpinBoxDelegate();
tw->setItemDelegateForRow(1, sb);