QString TableSchema::autoValueFieldName() const
{
for (int i = 0; i < tableFields.count(); ++i) {
QSqlField f = tableFields.field(i);
if (f.isAutoValue())
return f.name();
}
return QString();
}
int TableSchema::autoValueIndex() const
{
for (int i = 0; i < tableFields.count(); ++i) {
QSqlField f = tableFields.field(i);
if (f.isAutoValue())
return i;
}
return -1;
}
void DataViewer::onDatabaseItemActivated(const DatabaseItem &item)
{
if ((DatabaseItem::Table != item.m_type) &&
(DatabaseItem::View != item.m_type))
{
return;
}
d_ptr->database = item.m_database;
// for table tableShema
QSqlRecord record = item.m_database.record(item.m_value);
d_ptr->m_shemaModel->removeRows(0, d_ptr->m_shemaModel->rowCount());
d_ptr->m_shemaModel->insertRows(0, record.count());
for (int i = 0; i < record.count(); ++i)
{
QSqlField field = record.field(i);
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 0), field.name());
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 1),
field.type() == QVariant::Invalid ? "???" : QString(QVariant::typeToName(field.type())));
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 2),
(field.length() < 0) ? QVariant("???") : field.length());
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 3),
(field.precision() < 0) ? QVariant("???") : field.precision());
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 4),
field.requiredStatus() == QSqlField::Unknown ? "???" : QVariant(bool(field.requiredStatus())));
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 5), field.isAutoValue());
d_ptr->m_shemaModel->setData(d_ptr->m_shemaModel->index(i, 6), field.defaultValue());
}
d_ptr->m_tableShema->setModel(d_ptr->m_shemaModel.data());
d_ptr->m_tableShema->setEditTriggers(QAbstractItemView::NoEditTriggers);
d_ptr->m_tableShema->resizeColumnsToContents();
d_ptr->m_tab->setTabText(::Scheme, tr(::c_schemeTable).arg(item.m_value));
// for table tableData
QSqlTableModel *modelData = new QSqlTableModel(0, item.m_database);
modelData->setEditStrategy(QSqlTableModel::OnRowChange);
modelData->setTable(item.m_value);
modelData->select();
d_ptr->m_tableData->setModel(modelData);
d_ptr->m_tableData->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::EditKeyPressed);
d_ptr->m_tableData->resizeColumnsToContents();
d_ptr->m_tab->setTabText(::Data, tr(::c_dataTable).arg(item.m_value));
d_ptr->m_sqlDataModel.reset(modelData);
}
QVariant SchemaModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid ()) {
return QVariant ();
}
if (role == Qt::DisplayRole) {
if (index.row () >= record.count ()) {
return QVariant ();
}
QSqlField field = record.field(index.row());
switch (index.column ()) {
case 0:
return field.name ();
case 1:
return QLatin1String (QVariant::typeToName(field.type()));
case 2:
return field.length ();
case 3: {
QStringList mods;
if (pindex.indexOf (field.name ()) >= 0) {
mods << tr("PRIMARY KEY");
}
if (field.requiredStatus () == QSqlField::Required) {
mods << tr("NOT NULL");
}
else if (field.requiredStatus () == QSqlField::Optional) {
mods << tr ("NULL");
}
if (field.isAutoValue ()) {
mods << tr ("AUTO_INCREMENT");
}
return mods.join(", ");
}
case 4:
return field.defaultValue ();
}
}
else if (role == Qt::DecorationRole) {
}
return QVariant ();
}
void Browser::showMetaData(const QString &t)
{
QSqlRecord rec = connectionWidget->currentDatabase().record(t);
QStandardItemModel *model = new QStandardItemModel(table);
model->insertRows(0, rec.count());
model->insertColumns(0, 7);
model->setHeaderData(0, Qt::Horizontal, "Fieldname");
model->setHeaderData(1, Qt::Horizontal, "Type");
model->setHeaderData(2, Qt::Horizontal, "Length");
model->setHeaderData(3, Qt::Horizontal, "Precision");
model->setHeaderData(4, Qt::Horizontal, "Required");
model->setHeaderData(5, Qt::Horizontal, "AutoValue");
model->setHeaderData(6, Qt::Horizontal, "DefaultValue");
for (int i = 0; i < rec.count(); ++i) {
QSqlField fld = rec.field(i);
model->setData(model->index(i, 0), fld.name());
model->setData(model->index(i, 1), fld.typeID() == -1
? QString(QVariant::typeToName(fld.type()))
: QString("%1 (%2)").arg(QVariant::typeToName(fld.type())).arg(fld.typeID()));
model->setData(model->index(i, 2), fld.length());
model->setData(model->index(i, 3), fld.precision());
model->setData(model->index(i, 4), fld.requiredStatus() == -1 ? QVariant("?")
: QVariant(bool(fld.requiredStatus())));
model->setData(model->index(i, 5), fld.isAutoValue());
model->setData(model->index(i, 6), fld.defaultValue());
}
table->setModel(model);
table->setEditTriggers(QAbstractItemView::NoEditTriggers);
updateActions();
}
