23 : QAbstractItemModel( parent )
30 Q_ASSERT( mConnection );
35 : QAbstractItemModel( parent )
36 , mConnection( connection )
39 Q_ASSERT( mConnection );
43void QgsDatabaseTableModel::init()
46 mTables = mConnection->tables( mSchema );
61 return mTables.count() + ( mAllowEmpty ? 1 : 0 );
73 if ( !
index.isValid() )
76 if (
index.row() == 0 && mAllowEmpty )
84 if (
index.row() - ( mAllowEmpty ? 1 : 0 ) >= mTables.count() )
105 case Qt::DecorationRole:
111 if ( role == Qt::DecorationRole )
117 if ( role == Qt::DecorationRole )
156 return static_cast< int >( table.
flags() );
171 if ( hasIndex( row, column,
parent ) )
173 return createIndex( row, column, row );
176 return QModelIndex();
181 if ( allowEmpty == mAllowEmpty )
186 beginInsertRows( QModelIndex(), 0, 0 );
192 beginRemoveRows( QModelIndex(), 0, 0 );
200 const QList< QgsAbstractDatabaseProviderConnection::TableProperty > newTables = mConnection->tables( mSchema );
201 const QList< QgsAbstractDatabaseProviderConnection::TableProperty > oldTables = mTables;
205 if ( !newTables.contains( oldTable ) )
207 const int r = mTables.indexOf( oldTable );
208 beginRemoveRows( QModelIndex(), r + ( mAllowEmpty ? 1 : 0 ), r + ( mAllowEmpty ? 1 : 0 ) );
209 mTables.removeAt( r );
216 if ( !mTables.contains( newTable ) )
218 beginInsertRows( QModelIndex(), mTables.count() + ( mAllowEmpty ? 1 : 0 ), mTables.count() + ( mAllowEmpty ? 1 : 0 ) );
219 mTables.append( newTable );
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
The QgsAbstractDatabaseProviderConnection class provides common functionality for DB based connection...
QgsDatabaseTableModel(const QString &provider, const QString &connection, const QString &schema=QString(), QObject *parent=nullptr)
Constructor for QgsDatabaseTableModel, for the specified provider and connection name.
QModelIndex parent(const QModelIndex &child) const override
void refresh()
Refreshes the table list by querying the underlying connection.
QModelIndex index(int row, int column, const QModelIndex &parent) const override
void setAllowEmptyTable(bool allowEmpty)
Sets whether an optional empty table ("not set") option is present in the model.
int rowCount(const QModelIndex &parent=QModelIndex()) const override
@ CustomInfo
Custom info variant map role.
@ TableFlags
Table flags role.
@ Crs
CRS for primary (first) geometry column in table.
@ WkbType
WKB type for primary (first) geometry column in table.
@ Empty
Entry is an empty entry.
int columnCount(const QModelIndex &parent=QModelIndex()) const override
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const override
static QIcon iconLine()
Returns an icon representing line geometries.
static QIcon iconPolygon()
Returns an icon representing polygon geometries.
static QIcon iconGeometryCollection()
Returns an icon representing geometry collections.
static QIcon iconPoint()
Returns an icon representing point geometries.
static QIcon iconTable()
Returns an icon representing non-spatial layers (tables).
static QgsProviderRegistry * instance(const QString &pluginPath=QString())
Means of accessing canonical single instance.
QgsProviderMetadata * providerMetadata(const QString &providerKey) const
Returns metadata of the provider or nullptr if not found.
static Qgis::GeometryType geometryType(Qgis::WkbType type)
Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a Polyg...
The TableProperty class represents a database table or view.
QList< QgsAbstractDatabaseProviderConnection::TableProperty::GeometryColumnType > geometryColumnTypes() const
Returns the list of geometry column types and CRSs.
QString tableName() const
Returns the table name.
QVariantMap info() const
Returns additional information about the table.
QString comment() const
Returns the table comment.
QString schema() const
Returns the schema or an empty string for backends that do not support a schema.
TableFlags flags() const
Returns the table flags.