class Principal(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.inicializar_db()
self.setWindowTitle("Tião Automecânica - Clientes")
self.widget = QWidget()
# Janelas
w1, w2 = Buscador(), NovoCliente()
w1.status_signal.connect(self.atualizar_status)
w2.status_signal.connect(self.atualizar_status)
# Leiaute
self.line = QFrame()
self.line.setFrameShape(QFrame.VLine)
self.line.setFrameShadow(QFrame.Sunken)
self.line.setLineWidth(0)
self.line.setMidLineWidth(1)
self.layout = QGridLayout()
self.layout.addWidget(w1, 0, 0, 1, 1)
self.layout.addWidget(self.line, 0, 1, 1, 1)
self.layout.addWidget(w2, 0, 1, 1, 2)
self.widget.setLayout(self.layout)
self.setCentralWidget(self.widget)
# Menu
self.menu = QMenuBar()
self.setMenuBar(self.menu)
self.sobre = QAction("Sobre", self)
self.sobre.setShortcut("F1")
self.menu.addAction(self.sobre)
self.sobre.triggered.connect(self.info)
# Status
self.status = QStatusBar()
self.setStatusBar(self.status)
self.status_label = QLabel("Pronto")
self.status.addWidget(self.status_label)
@Slot()
def info(self):
self.popup = QMessageBox(QMessageBox.Information, "Sobre",
"Informações")
self.popup.setInformativeText("""Clientes \nVersão 0.5
\nFeito com S2 por Zero \nMIT License""")
self.popup.addButton(QMessageBox.Ok)
self.popup.exec()
@Slot()
def atualizar_status(self, msg: str):
self.status_label.setText(msg)
@staticmethod
def inicializar_db():
try:
init_db()
except NameError:
popup = QMessageBox(QMessageBox.Critical, "Erro", "Erro")
popup.setInformativeText(
"Arquivo de configuração não foi encontrado")
popup.addButton(QMessageBox.Ok)
popup.exec()
exit(1)
class NovoCliente(QWidget):
status_signal = Signal(str)
def __init__(self):
self.db = ClientesDB()
QWidget.__init__(self)
font = QFont()
font.setBold(True) # Labels em Negrito
# Labels:
self.label_title = QLabel("Novo Cliente")
self.label_title.setFont(font)
self.label_nome = QLabel("Nome Completo:")
self.label_nome.setFont(font)
self.label_endereco = QLabel("Endereço:")
self.label_endereco.setFont(font)
self.label_numero = QLabel("Número:")
self.label_numero.setFont(font)
self.label_cpf = QLabel("CPF:")
self.label_cpf.setFont(font)
# Entries:
self.entry_nome = QLineEdit()
self.entry_endereco = QTextEdit()
self.entry_numero = QLineEdit()
self.entry_cpf = QLineEdit()
# Botões;
self.button_salvar = QPushButton("&Salvar")
self.button_salvar.clicked.connect(self.salvar_cliente)
self.button_salvar.setShortcut("Ctrl+S")
self.button_cancelar = QPushButton("Cancelar")
self.button_cancelar.clicked.connect(self.limpar)
self.button_cancelar.setShortcut("ESC")
# Linha
self.line = QFrame()
self.line.setFrameShape(QFrame.HLine)
self.line.setFrameShadow(QFrame.Sunken)
self.line.setLineWidth(0)
self.line.setMidLineWidth(1)
# Leiaute:
self.layout = QVBoxLayout()
self.layout_buttons = QHBoxLayout()
self.layout.addWidget(self.label_title)
self.layout.addWidget(self.line)
self.layout.addWidget(self.label_nome)
self.layout.addWidget(self.entry_nome)
self.layout.addWidget(self.label_numero)
self.layout.addWidget(self.entry_numero)
self.layout.addWidget(self.label_cpf)
self.layout.addWidget(self.entry_cpf)
self.layout.addWidget(self.label_endereco)
self.layout.addWidget(self.entry_endereco)
self.layout_buttons.addWidget(self.button_salvar)
self.layout_buttons.addWidget(self.button_cancelar)
self.layout.addStretch(2)
self.layout.addLayout(self.layout_buttons)
self.setLayout(self.layout)
@Slot()
def salvar_cliente(self):
nome = self.entry_nome.text()
cpf = self.entry_cpf.text()
numero = self.entry_numero.text()
endereco = self.entry_endereco.toPlainText()
data = {
'nome': nome,
'cpf': cpf,
'numero': numero,
'endereco': endereco
}
try:
self.db.novo_cliente(data)
self.status_signal.emit("Salvo")
self.limpar()
except ValueError as e:
popup = QMessageBox(QMessageBox.Critical, "Erro", "Campo Inválido")
popup.setInformativeText(str(e))
popup.addButton(QMessageBox.Ok)
popup.exec()
@Slot()
def limpar(self):
self.entry_nome.setText('')
self.entry_endereco.setText('')
self.entry_numero.setText('')
self.entry_cpf.setText('')
