QVariant
TableModel::data(const QModelIndex &index,
int role) const
{
TableItem *itm = item(index);
if (itm) {
return itm->data(role);
}
return QVariant();
}
bool
TableModel::setItemData(const QModelIndex &index,
const QMap<int, QVariant> &roles)
{
if ( !index.isValid() ) {
return false;
}
TableView *view = qobject_cast<TableView*>( QObject::parent() );
TableItem *itm = item(index);
if (itm) {
itm->view = 0; // prohibits item from calling itemChanged()
bool changed = false;
for (QMap<int, QVariant>::ConstIterator it = roles.constBegin(); it != roles.constEnd(); ++it) {
if ( itm->data( it.key() ) != it.value() ) {
itm->setData( it.key(), it.value() );
changed = true;
}
}
itm->view = view;
if (changed) {
itemChanged(itm);
}
return true;
}
if (!view) {
return false;
}
itm = createItem();
for (QMap<int, QVariant>::ConstIterator it = roles.constBegin(); it != roles.constEnd(); ++it) {
itm->setData( it.key(), it.value() );
}
view->setItem(index.row(), index.column(), itm);
return true;
}
QVariant
TableModel::headerData(int section,
Qt::Orientation orientation,
int role) const
{
if (section < 0) {
return QVariant();
}
TableItem *itm = 0;
if ( (orientation == Qt::Horizontal) && ( section < (int)_imp->horizontalHeaderItems.size() ) ) {
itm = _imp->horizontalHeaderItems.at(section);
} else {
return QVariant(); // section is out of bounds
}
if (itm) {
return itm->data(role);
}
if (role == Qt::DisplayRole) {
return section + 1;
}
return QVariant();
}