def __init__(self):
super().__init__()
self.setWindowTitle("Airport Query System")
self.setWindowIcon(QIcon("icon.svg"))
#self.setStyleSheet('background-color:grey')
self.top = 200
self.left = 1800
self.width = 500
self.height = 700
self.setGeometry(self.left, self.top, self.width, self.height)
vbox = QVBoxLayout()
tabWidget = QTabWidget()
buttonbox = QDialogButtonBox(QDialogButtonBox.Close)
buttonbox.rejected.connect(self.reject)
buttonbox.setFont(QtGui.QFont("MS Sans Serif", 10))
buttonbox.setToolTip("<h4>Close the application。<h4>")
tabWidget.setFont(QtGui.QFont("MS Sans Serif", 10))
tabWidget.addTab(InstantSearch(), "Flight")
tabWidget.addTab(Library(), "Library")
#tabWidget.addTab(TabPeronsalDetails(), "Personal Details")
vbox.addWidget(tabWidget)
vbox.addWidget(buttonbox)
self.setLayout(vbox)
class ServerDialog(QDialog):
"""Class for setting up the Server ip and port"""
host_ip = ""
port = None
default_host = '127.0.0.1'
default_port = 33002
def __init__(self):
super().__init__()
self.is_host_valid = False
self.is_port_valid = False
self.resize(400, 200)
self.setWindowTitle("Server Settings")
self.set_palette()
self.layout = QFormLayout(self)
self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
self.settings_message = QLabel(self)
self.use_default_label = QLabel(self)
self.radio_button = QRadioButton(self)
self.host_label = QLabel(self)
self.host_edit_line = QLineEdit(self)
self.port_label = QLabel(self)
self.port_edit_line = QLineEdit(self)
self.button_box = QDialogButtonBox(self)
self.setup_buttons()
self.setup_ui()
self.host_edit_line.textChanged.connect(self.validate_host)
self.port_edit_line.textChanged.connect(self.validate_port)
self.radio_button.toggled.connect(self.handle_checked_radiobtn)
def setup_ui(self):
"""Define the main components of Dialog Gui"""
self.setup_labels()
self.setup_edit_lines()
self.setup_buttons()
self.setup_radio_btn()
def setup_labels(self):
"""Define the labels of the Dialog Gui"""
# settings label
self.settings_message.setFont(QFont('Courier New', 12))
self.settings_message.setText('Server Settings')
self.settings_message.setAlignment(Qt.AlignCenter)
self.layout.setWidget(0, QFormLayout.SpanningRole, self.settings_message)
# default label
self.use_default_label.setFont(QFont('Courier New', 12))
self.use_default_label.setText('use default settings:')
self.layout.setWidget(2, QFormLayout.LabelRole, self.use_default_label)
# host label
self.host_label.setFont(QFont('Courier New', 12))
self.host_label.setText('HOST: ')
self.layout.setWidget(3, QFormLayout.LabelRole, self.host_label)
# port label
self.port_label.setFont(QFont('Courier New', 12))
self.port_label.setText('PORT: ')
self.layout.setWidget(4, QFormLayout.LabelRole, self.port_label)
def setup_edit_lines(self):
"""Define the edid lines of the Dialog Gui"""
# host edit line
self.host_edit_line.setFont(QFont('Courier New', 12))
self.host_edit_line.setPlaceholderText("127.0.0.1")
self.host_edit_line.setEnabled(False)
self.host_edit_line.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.layout.setWidget(3, QFormLayout.FieldRole, self.host_edit_line)
# port edit line
self.port_edit_line.setFont(QFont('Courier New', 12))
self.port_edit_line.setPlaceholderText('33002')
self.port_edit_line.setEnabled(False)
self.host_edit_line.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.layout.setWidget(4, QFormLayout.FieldRole, self.port_edit_line)
def setup_buttons(self):
"""Define the buttons of the Dialog Gui"""
self.button_box.setOrientation(Qt.Horizontal)
self.button_box.setWindowFlag(Qt.WindowContextHelpButtonHint, False)
self.button_box.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok)
self.button_box.setFont(QFont('Courier New', 12))
self.layout.setWidget(5, QFormLayout.SpanningRole, self.button_box)
self.button_box.button(QDialogButtonBox.Ok).clicked.connect(self.ok_clicked)
self.button_box.button(QDialogButtonBox.Cancel).clicked.connect(self.cancel_clicked)
def setup_radio_btn(self):
"""Radio button is checked by default, to use the default settings"""
self.radio_button.setChecked(True)
self.layout.setWidget(2, QFormLayout.FieldRole, self.radio_button)
def get_settings(self):
return self.host_ip, int(self.port)
def handle_checked_radiobtn(self):
"""The radio button enables the user to use default
values to connect to the server if checke"""
print('radioButton checked: {}'.format(self.radio_button.isChecked()))
if self.radio_button.isChecked():
#dissable the input for host and port
self.host_edit_line.setEnabled(False)
self.port_edit_line.setEnabled(False)
elif not self.radio_button.isChecked():
#enable the input for host and port
self.button_box.button(QDialogButtonBox.Ok).setEnabled(False)
self.host_edit_line.setEnabled(True)
self.port_edit_line.setEnabled(True)
self.validate_ok_btn()
def validate_host(self):
"""To pass the validation, the user has to insert a valid ipV4 addres"""
patrn = (r"^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.)"
"{3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$")
ipv4_pattern = re.compile(patrn)
isa_match = ipv4_pattern.match(self.host_edit_line.text())
# check to see if the ip match and
#if the port edit line is not empty
if isa_match:
self.host_edit_line.setStyleSheet("""
QWidget {
background-color: rgba(0, 155, 118, 50)
}
""")
self.is_host_valid = True
else:
self.host_edit_line.setStyleSheet("""
QWidget {
background-color: rgba(177, 4, 14, 50)
}
""")
self.is_host_valid = False
self.validate_ok_btn()
def validate_port(self):
port_str = self.port_edit_line.text()
if port_str.isnumeric():
self.port_edit_line.setStyleSheet("""
QWidget {
background-color: rgba(0, 155, 118, 50)
}
""")
self.is_port_valid = True
else:
self.port_edit_line.setStyleSheet("""
QWidget {
background-color: rgba(177, 4, 14, 50)
}
""")
self.is_port_valid = False
self.validate_ok_btn()
def validate_ok_btn(self):
if self.radio_button.isChecked():
self.button_box.button(QDialogButtonBox.Ok).setEnabled(True)
elif self.is_host_valid and self.is_port_valid:
self.button_box.button(QDialogButtonBox.Ok).setEnabled(True)
else:
self.button_box.button(QDialogButtonBox.Ok).setEnabled(False)
def ok_clicked(self):
if self.radio_button.isChecked():
self.host_ip = self.default_host
self.port = self.default_port
else:
self.host_ip = self.host_edit_line.text()
self.port = self.port_edit_line.text()
self.done(1)
def cancel_clicked(self):
self.done(0)
def set_palette(self):
palette = QPalette()
gradient = QLinearGradient(0, 0, 0, 100)
gradient.setColorAt(1.0, Colors.light_sandstone)
gradient.setColorAt(0.0, Colors.stone)
palette.setBrush(QPalette.Window, QBrush(gradient))
self.setPalette(palette)
def initUI(self):
lblFind = QLabel(self)
lblFind.setGeometry(QRect(10, 10, 47, 21))
defaultFont = QFont()
defaultFont.setPointSize(10)
lblFind.setFont(defaultFont)
lblFind.setText("Find")
lblReplace = QLabel(self)
lblReplace.setGeometry(QRect(10, 53, 61, 20))
lblReplace.setFont(defaultFont)
lblReplace.setText("Replace")
self.txtFind = QLineEdit(self)
self.txtFind.setGeometry(QRect(80, 10, 261, 20))
self.txtFind.setFont(defaultFont)
self.txtReplace = QLineEdit(self)
self.txtReplace.setGeometry(QRect(80, 50, 261, 21))
self.txtReplace.setFont(defaultFont)
self.chkRE = QCheckBox(self)
self.chkRE.setGeometry(QRect(10, 110, 261, 17))
self.chkRE.setFont(defaultFont)
self.chkRE.setText("Regular Expression")
self.chkCS = QCheckBox(self)
self.chkCS.setGeometry(QRect(10, 140, 261, 17))
self.chkCS.setFont(defaultFont)
self.chkCS.setText("Case sensitive")
self.chkWord = QCheckBox(self)
self.chkWord.setGeometry(QRect(10, 170, 261, 17))
self.chkWord.setFont(defaultFont)
self.chkWord.setText("Whole word")
self.chkWrap = QCheckBox(self)
self.chkWrap.setGeometry(QRect(10, 200, 261, 17))
self.chkWrap.setFont(defaultFont)
self.chkWrap.setText("Wrap around")
defaultDialogButtons = QDialogButtonBox(self)
defaultDialogButtons.setGeometry(QRect(250, 340, 156, 23))
defaultDialogButtons.setFont(defaultFont)
defaultDialogButtons.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
btnReplace = QPushButton(self)
btnReplace.setGeometry(QRect(150, 340, 91, 23))
btnReplace.setFont(defaultFont)
btnReplace.setText("Replace...")
directionBox = QGroupBox(self)
directionBox.setGeometry(QRect(20, 240, 120, 80))
directionBox.setFont(defaultFont)
directionBox.setTitle("Direction")
self.rbFwd = QRadioButton(directionBox)
self.rbFwd.setGeometry(QRect(10, 20, 82, 17))
self.rbFwd.setFont(defaultFont)
self.rbFwd.setText("Forward")
self.rbFwd.setChecked(True)
self.rbBwd = QRadioButton(directionBox)
self.rbBwd.setGeometry(QRect(10, 50, 82, 17))
self.rbBwd.setFont(defaultFont)
self.rbBwd.setText("Backward")
btnReplace.clicked.connect(self.ReplaceText)
defaultDialogButtons.accepted.connect(self.accept)
defaultDialogButtons.rejected.connect(self.reject)
