def __init__(self): QMainWindow.__init__(self) self.setupUi(self) #Initialize db createdb.init_db() model = QSqlRelationalTableModel(self.bookTable) model.setEditStrategy(QSqlTableModel.OnManualSubmit) model.setTable("books") # Remember the indexes of the columns: author_idx = model.fieldIndex("author") genre_idx = model.fieldIndex("genre") # Set the relations to the other database tables: model.setRelation(author_idx, QSqlRelation("authors", "id", "name")) model.setRelation(genre_idx, QSqlRelation("genres", "id", "name")) # Set the localized header captions: model.setHeaderData(author_idx, Qt.Horizontal, self.tr("Author Name")) model.setHeaderData(genre_idx, Qt.Horizontal, self.tr("Genre")) model.setHeaderData(model.fieldIndex("title"), Qt.Horizontal, self.tr("Title")) model.setHeaderData(model.fieldIndex("year"), Qt.Horizontal, self.tr("Year")) model.setHeaderData(model.fieldIndex("rating"), Qt.Horizontal, self.tr("Rating")) if not model.select(): print(model.lastError()) # Set the model and hide the ID column: self.bookTable.setModel(model) self.bookTable.setItemDelegate(BookDelegate(self.bookTable)) self.bookTable.setColumnHidden(model.fieldIndex("id"), True) self.bookTable.setSelectionMode(QAbstractItemView.SingleSelection) # Initialize the Author combo box: self.authorEdit.setModel(model.relationModel(author_idx)) self.authorEdit.setModelColumn(model.relationModel(author_idx).fieldIndex("name")) self.genreEdit.setModel(model.relationModel(genre_idx)) self.genreEdit.setModelColumn(model.relationModel(genre_idx).fieldIndex("name")) # Lock and prohibit resizing of the width of the rating column: self.bookTable.horizontalHeader().setSectionResizeMode(model.fieldIndex("rating"), QHeaderView.ResizeToContents) mapper = QDataWidgetMapper(self) mapper.setModel(model) mapper.setItemDelegate(BookDelegate(self)) mapper.addMapping(self.titleEdit, model.fieldIndex("title")) mapper.addMapping(self.yearEdit, model.fieldIndex("year")) mapper.addMapping(self.authorEdit, author_idx) mapper.addMapping(self.genreEdit, genre_idx) mapper.addMapping(self.ratingEdit, model.fieldIndex("rating")) selection_model = self.bookTable.selectionModel() selection_model.currentRowChanged.connect(mapper.setCurrentModelIndex) self.bookTable.setCurrentIndex(model.index(0, 0)) self.create_menubar()
def run(): init_db() user_datastore.create_user(email='*****@*****.**', password='******') db.session.commit()
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ## ## $QT_END_LICENSE$ ## ############################################################################# import sys from PySide2.QtCore import Qt from PySide2.QtSql import QSqlQueryModel from PySide2.QtWidgets import QTableView, QApplication import createdb from bookdelegate import BookDelegate if __name__ == "__main__": app = QApplication() createdb.init_db() model = QSqlQueryModel() model.setQuery("select title, author, genre, year, rating from books") table = QTableView() table.setModel(model) table.setItemDelegate(BookDelegate()) table.resize(800, 600) table.show() sys.exit(app.exec_())