Python QComboBox.findData方法代码示例

# 需要导入模块: from qtpy.QtWidgets import QComboBox [as 别名]
# 或者: from qtpy.QtWidgets.QComboBox import findData [as 别名]
class CSVSettingsDialog(QDialog):

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

        # decimal
        self.decimalLabel = QLabel(self.tr("decimal:"))
        self.decimalComboBox = QComboBox()
        self.decimalLabel.setBuddy(self.decimalComboBox)
        self.decimalComboBox.addItems([",", "."])

        # separator
        self.separatorLabel = QLabel(self.tr("separator:"))
        self.separatorComboBox = QComboBox()
        self.separatorLabel.setBuddy(self.separatorComboBox)
        self.separatorComboBox.addItem("Semicolon ';'", ';')
        self.separatorComboBox.addItem("Comma ','", ',')
        self.separatorComboBox.addItem("Tabulator '\\t'", '\t')
        self.separatorComboBox.addItem("Whitespace ' '", ' ')

        # buttons
        self.buttons = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Cancel
        )
        self.buttons.accepted.connect(self.accept)
        self.buttons.rejected.connect(self.reject)

        # layout
        layout = QGridLayout()
        layout.addWidget(self.decimalLabel, 0, 0)
        layout.addWidget(self.decimalComboBox, 0, 1)
        layout.addWidget(self.separatorLabel, 1, 0)
        layout.addWidget(self.separatorComboBox, 1, 1)
        layout.addWidget(self.buttons, 2, 0, 1, 2)
        self.setLayout(layout)

        # settings
        self.decimalComboBox.setCurrentIndex(
            self.decimalComboBox.findText(
                self.settings.value(DECIMAL_SETTING, ","))
        )
        self.separatorComboBox.setCurrentIndex(
            self.separatorComboBox.findData(
                self.settings.value(SEPARATOR_SETTING, ";"))
        )

        self.setWindowTitle(self.tr("record settings"))

    def accept(self):
        self.settings.setValue(DECIMAL_SETTING, self.decimal)
        self.settings.setValue(SEPARATOR_SETTING, self.separator)
        super().accept()

    # decimal property
    @property
    def decimal(self):
        return self.decimalComboBox.currentText()

    # seperator property
    @property
    def separator(self):
        return self.separatorComboBox.itemData(
            self.separatorComboBox.currentIndex())

# 需要导入模块: from qtpy.QtWidgets import QComboBox [as 别名]
# 或者: from qtpy.QtWidgets.QComboBox import findData [as 别名]
class PyDMLogDisplay(QWidget, LogLevels):
    """
    Standard display for Log Output

    This widget handles instantating a ``GuiHandler`` and displaying log
    messages to a ``QPlainTextEdit``. The level of the log can be changed from
    inside the widget itself, allowing users to select from any of the
    ``.levels`` specified by the widget.

    Parameters
    ----------
    parent : QObject, optional

    logname : str
        Name of log to display in widget

    level : logging.Level
        Initial level of log display

    """
    Q_ENUMS(LogLevels)
    LogLevels = LogLevels
    terminator = '\n'
    default_format = '%(asctime)s %(message)s'
    default_level = logging.INFO

    def __init__(self, parent=None, logname=None, level=logging.NOTSET):
        QWidget.__init__(self, parent=parent)
        # Create Widgets
        self.label = QLabel('Minimum displayed log level: ', parent=self)
        self.combo = QComboBox(parent=self)
        self.text = QPlainTextEdit(parent=self)
        self.text.setReadOnly(True)
        self.clear_btn = QPushButton("Clear", parent=self)
        # Create layout
        layout = QVBoxLayout()
        level_control = QHBoxLayout()
        level_control.addWidget(self.label)
        level_control.addWidget(self.combo)
        layout.addLayout(level_control)
        layout.addWidget(self.text)
        layout.addWidget(self.clear_btn)
        self.setLayout(layout)
        # Allow QCombobox to control log level
        for log_level, value in LogLevels.as_dict().items():
            self.combo.addItem(log_level, value)
        self.combo.currentIndexChanged[str].connect(self.setLevel)
        # Allow QPushButton to clear log text
        self.clear_btn.clicked.connect(self.clear)
        # Create a handler with the default format
        self.handler = GuiHandler(level=level, parent=self)
        self.logFormat = self.default_format
        self.handler.message.connect(self.write)
        # Create logger. Either as a root or given logname
        self.log = None
        self.level = None
        self.logName = logname or ''
        self.logLevel = level
        self.destroyed.connect(functools.partial(logger_destroyed, self.log))

    def sizeHint(self):
        return QSize(400, 300)

    @Property(LogLevels)
    def logLevel(self):
        return self.level

    @logLevel.setter
    def logLevel(self, level):
        if level != self.level:
            self.level = level
            idx = self.combo.findData(level)
            self.combo.setCurrentIndex(idx)

    @Property(str)
    def logName(self):
        """Name of associated log"""
        return self.log.name

    @logName.setter
    def logName(self, name):
        # Disconnect prior log from handler
        if self.log:
            self.log.removeHandler(self.handler)
        # Reattach handler to new handler
        self.log = logging.getLogger(name)
        # Ensure that the log matches level of handler
        # only if the handler level is less than the log.
        if self.log.level < self.handler.level:
            self.log.setLevel(self.handler.level)
        # Attach preconfigured handler
        self.log.addHandler(self.handler)

    @Property(str)
    def logFormat(self):
        """Format for log messages"""
        return self.handler.formatter._fmt

    @logFormat.setter
    def logFormat(self, fmt):
#.........这里部分代码省略.........