Python QGraphicsView.setAlignment方法代码示例

# 需要导入模块: from AnyQt.QtWidgets import QGraphicsView [as 别名]
# 或者: from AnyQt.QtWidgets.QGraphicsView import setAlignment [as 别名]

#.........这里部分代码省略.........
        gui.widgetLabel(box, "Bar width:")
        gui.hSlider(
            box, self, "bar_size", minValue=1, maxValue=10, step=1,
            callback=self._update_bar_size, addSpace=6)
        gui.widgetLabel(box, "Annotations:")
        self.annotation_cb = gui.comboBox(
            box, self, "annotation_var_idx", contentsLength=14,
            callback=self._update_annotations)
        self.annotation_var_model = itemmodels.VariableListModel(parent=self)
        self.annotation_var_model[:] = ["None"]
        self.annotation_cb.setModel(self.annotation_var_model)
        ibox = gui.indentedBox(box, 5)
        self.ann_hidden_warning = warning = gui.widgetLabel(
            ibox, "(increase the width to show)")
        ibox.setFixedWidth(ibox.sizeHint().width())
        warning.setVisible(False)

        gui.rubber(self.controlArea)

        gui.separator(self.buttonsArea)
        box = gui.vBox(self.buttonsArea, "Output")
        # Thunk the call to commit to call conditional commit
        gui.checkBox(box, self, "add_scores", "Add silhouette scores",
                     callback=lambda: self.commit())
        gui.auto_commit(
            box, self, "auto_commit", "Commit",
            auto_label="Auto commit", box=False)
        # Ensure that the controlArea is not narrower than buttonsArea
        self.controlArea.layout().addWidget(self.buttonsArea)

        self.scene = QGraphicsScene()
        self.view = QGraphicsView(self.scene)
        self.view.setRenderHint(QPainter.Antialiasing, True)
        self.view.setAlignment(Qt.AlignTop | Qt.AlignLeft)
        self.mainArea.layout().addWidget(self.view)

    def sizeHint(self):
        sh = self.controlArea.sizeHint()
        return sh.expandedTo(QSize(600, 720))

    @Inputs.data
    @check_sql_input
    def set_data(self, data):
        """
        Set the input dataset.
        """
        self.closeContext()
        self.clear()
        error_msg = ""
        warning_msg = ""
        candidatevars = []
        if data is not None:
            candidatevars = [
                v for v in data.domain.variables + data.domain.metas
                if v.is_discrete and len(v.values) >= 2]
            if not candidatevars:
                error_msg = "Input does not have any suitable labels."
                data = None

        self.data = data
        if data is not None:
            self.cluster_var_model[:] = candidatevars
            if data.domain.class_var in candidatevars:
                self.cluster_var_idx = \
                    candidatevars.index(data.domain.class_var)
            else:

# 需要导入模块: from AnyQt.QtWidgets import QGraphicsView [as 别名]
# 或者: from AnyQt.QtWidgets.QGraphicsView import setAlignment [as 别名]
class OWQualityControl(widget.OWWidget):
    name = "Quality Control"
    description = "Experiment quality control"
    icon = "../widgets/icons/QualityControl.svg"
    priority = 5000

    inputs = [("Experiment Data", Orange.data.Table, "set_data")]
    outputs = []

    DISTANCE_FUNCTIONS = [("Distance from Pearson correlation",
                           dist_pcorr),
                          ("Euclidean distance",
                           dist_eucl),
                          ("Distance from Spearman correlation",
                           dist_spearman)]

    settingsHandler = SetContextHandler()

    split_by_labels = settings.ContextSetting({})
    sort_by_labels = settings.ContextSetting({})

    selected_distance_index = settings.Setting(0)

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

        ## Attributes
        self.data = None
        self.distances = None
        self.groups = None
        self.unique_pos = None
        self.base_group_index = 0

        ## GUI
        box = gui.widgetBox(self.controlArea, "Info")
        self.info_box = gui.widgetLabel(box, "\n")

        ## Separate By box
        box = gui.widgetBox(self.controlArea, "Separate By")
        self.split_by_model = itemmodels.PyListModel(parent=self)
        self.split_by_view = QListView()
        self.split_by_view.setSelectionMode(QListView.ExtendedSelection)
        self.split_by_view.setModel(self.split_by_model)
        box.layout().addWidget(self.split_by_view)

        self.split_by_view.selectionModel().selectionChanged.connect(
            self.on_split_key_changed)

        ## Sort By box
        box = gui.widgetBox(self.controlArea, "Sort By")
        self.sort_by_model = itemmodels.PyListModel(parent=self)
        self.sort_by_view = QListView()
        self.sort_by_view.setSelectionMode(QListView.ExtendedSelection)
        self.sort_by_view.setModel(self.sort_by_model)
        box.layout().addWidget(self.sort_by_view)

        self.sort_by_view.selectionModel().selectionChanged.connect(
            self.on_sort_key_changed)

        ## Distance box
        box = gui.widgetBox(self.controlArea, "Distance Measure")
        gui.comboBox(box, self, "selected_distance_index",
                     items=[name for name, _ in self.DISTANCE_FUNCTIONS],
                     callback=self.on_distance_measure_changed)

        self.scene = QGraphicsScene()
        self.scene_view = QGraphicsView(self.scene)
        self.scene_view.setRenderHints(QPainter.Antialiasing)
        self.scene_view.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
        self.mainArea.layout().addWidget(self.scene_view)

        self.scene_view.installEventFilter(self)

        self._disable_updates = False
        self._cached_distances = {}
        self._base_index_hints = {}
        self.main_widget = None

        self.resize(800, 600)

    def clear(self):
        """Clear the widget state."""
        self.data = None
        self.distances = None
        self.groups = None
        self.unique_pos = None

        with disable_updates(self):
            self.split_by_model[:] = []
            self.sort_by_model[:] = []

        self.main_widget = None
        self.scene.clear()
        self.info_box.setText("\n")
        self._cached_distances = {}

    def set_data(self, data=None):
        """Set input experiment data."""
        self.closeContext()
        self.clear()
#.........这里部分代码省略.........