part3.py 文件源码

def __init__(self, parent=None):
        super(AddressBook, self).__init__(parent)

        self.contacts = SortedDict()
        self.oldName = ''
        self.oldAddress = ''

        nameLabel = QLabel("Name:")
        self.nameLine = QLineEdit()
        self.nameLine.setReadOnly(True)

        addressLabel = QLabel("Address:")
        self.addressText = QTextEdit()
        self.addressText.setReadOnly(True)

        self.addButton = QPushButton("&Add")
        self.addButton.show()
        self.submitButton = QPushButton("&Submit")
        self.submitButton.hide()
        self.cancelButton = QPushButton("&Cancel")
        self.cancelButton.hide()
        self.nextButton = QPushButton("&Next")
        self.nextButton.setEnabled(False)
        self.previousButton = QPushButton("&Previous")
        self.previousButton.setEnabled(False)

        self.addButton.clicked.connect(self.addContact)
        self.submitButton.clicked.connect(self.submitContact)
        self.cancelButton.clicked.connect(self.cancel)
        self.nextButton.clicked.connect(self.next)
        self.previousButton.clicked.connect(self.previous)

        buttonLayout1 = QVBoxLayout()
        buttonLayout1.addWidget(self.addButton, Qt.AlignTop)
        buttonLayout1.addWidget(self.submitButton)
        buttonLayout1.addWidget(self.cancelButton)
        buttonLayout1.addStretch()

        buttonLayout2 = QHBoxLayout()
        buttonLayout2.addWidget(self.previousButton)
        buttonLayout2.addWidget(self.nextButton)

        mainLayout = QGridLayout()
        mainLayout.addWidget(nameLabel, 0, 0)
        mainLayout.addWidget(self.nameLine, 0, 1)
        mainLayout.addWidget(addressLabel, 1, 0, Qt.AlignTop)
        mainLayout.addWidget(self.addressText, 1, 1)
        mainLayout.addLayout(buttonLayout1, 1, 2)
        mainLayout.addLayout(buttonLayout2, 3, 1)

        self.setLayout(mainLayout)
        self.setWindowTitle("Simple Address Book")