Python QSplitter.setSizes方法代码示例

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

#.........这里部分代码省略.........
        self.mainArea.layout().addWidget(self.splitCanvas)

        self.defaultFont = defaultFont = \
            "Monaco" if sys.platform == "darwin" else "Courier"

        self.textBox = gui.vBox(self, 'Python Script')
        self.splitCanvas.addWidget(self.textBox)
        self.text = PythonScriptEditor(self)
        self.textBox.layout().addWidget(self.text)

        self.textBox.setAlignment(Qt.AlignVCenter)
        self.text.setTabStopWidth(4)

        self.text.modificationChanged[bool].connect(self.onModificationChanged)

        self.saveAction = action = QAction("&Save", self.text)
        action.setToolTip("Save script to file")
        action.setShortcut(QKeySequence(QKeySequence.Save))
        action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.saveScript)

        self.consoleBox = gui.vBox(self, 'Console')
        self.splitCanvas.addWidget(self.consoleBox)
        self.console = PythonConsole({}, self)
        self.consoleBox.layout().addWidget(self.console)
        self.console.document().setDefaultFont(QFont(defaultFont))
        self.consoleBox.setAlignment(Qt.AlignBottom)
        self.console.setTabStopWidth(4)

        select_row(self.libraryView, self.currentScriptIndex)

        self.restoreScriptText()

        self.splitCanvas.setSizes([2, 1])
        if self.splitterState is not None:
            self.splitCanvas.restoreState(QByteArray(self.splitterState))

        self.splitCanvas.splitterMoved[int, int].connect(self.onSpliterMoved)
        self.controlArea.layout().addStretch(1)
        self.resize(800, 600)

    def storeSpecificSettings(self):
        self.saveScriptText()

    def restoreScriptText(self):
        if self.scriptText is not None:
            current = self.text.toPlainText()
            # do not mark scripts as modified
            if self.scriptText != current:
                self.text.document().setPlainText(self.scriptText)

    def saveScriptText(self):
        self.scriptText = self.text.toPlainText()

    def handle_input(self, obj, id, signal):
        id = id[0]
        dic = getattr(self, signal)
        if obj is None:
            if id in dic.keys():
                del dic[id]
        else:
            dic[id] = obj

    @Inputs.data
    def set_data(self, data, id):
        self.handle_input(data, id, "data")

# 需要导入模块: from AnyQt.QtWidgets import QSplitter [as 别名]
# 或者: from AnyQt.QtWidgets.QSplitter import setSizes [as 别名]
class OWDataSets(widget.OWWidget):
    name = "Data Sets"
    description = "Load a data set from an online repository"
    icon = "icons/DataSets.svg"
    priority = 20
    replaces = ["orangecontrib.prototypes.widgets.owdatasets.OWDataSets"]

    # The following constants can be overridden in a subclass
    # to reuse this widget for a different repository
    # Take care when refactoring! (used in e.g. single-cell)
    INDEX_URL = "http://datasets.orange.biolab.si/"
    DATASET_DIR = "datasets"

    class Error(widget.OWWidget.Error):
        no_remote_datasets = Msg("Could not fetch data set list")

    class Warning(widget.OWWidget.Warning):
        only_local_datasets = Msg("Could not fetch data sets list, only local "
                                  "cached data sets are shown")

    class Outputs:
        data = Output("Data", Orange.data.Table)

    #: Selected data set id
    selected_id = settings.Setting(None)   # type: Optional[str]

    auto_commit = settings.Setting(False)  # type: bool

    #: main area splitter state
    splitter_state = settings.Setting(b'')  # type: bytes
    header_state = settings.Setting(b'')    # type: bytes

    def __init__(self):
        super().__init__()
        self.local_cache_path = os.path.join(data_dir(), self.DATASET_DIR)

        self.__awaiting_state = None  # type: Optional[_FetchState]

        box = gui.widgetBox(self.controlArea, "Info")

        self.infolabel = QLabel(text="Initializing...\n\n")
        box.layout().addWidget(self.infolabel)

        gui.widgetLabel(self.mainArea, "Filter")
        self.filterLineEdit = QLineEdit(
            textChanged=self.filter
        )
        self.mainArea.layout().addWidget(self.filterLineEdit)

        self.splitter = QSplitter(orientation=Qt.Vertical)

        self.view = QTreeView(
            sortingEnabled=True,
            selectionMode=QTreeView.SingleSelection,
            alternatingRowColors=True,
            rootIsDecorated=False,
            editTriggers=QTreeView.NoEditTriggers,
        )

        box = gui.widgetBox(self.splitter, "Description", addToLayout=False)
        self.descriptionlabel = QLabel(
            wordWrap=True,
            textFormat=Qt.RichText,
        )
        self.descriptionlabel = QTextBrowser(
            openExternalLinks=True,
            textInteractionFlags=(Qt.TextSelectableByMouse |
                                  Qt.LinksAccessibleByMouse)
        )
        self.descriptionlabel.setFrameStyle(QTextBrowser.NoFrame)
        # no (white) text background
        self.descriptionlabel.viewport().setAutoFillBackground(False)

        box.layout().addWidget(self.descriptionlabel)
        self.splitter.addWidget(self.view)
        self.splitter.addWidget(box)

        self.splitter.setSizes([300, 200])
        self.splitter.splitterMoved.connect(
            lambda:
            setattr(self, "splitter_state", bytes(self.splitter.saveState()))
        )
        self.mainArea.layout().addWidget(self.splitter)
        self.controlArea.layout().addStretch(10)
        gui.auto_commit(self.controlArea, self, "auto_commit", "Send Data")

        model = QStandardItemModel(self)
        model.setHorizontalHeaderLabels(HEADER)
        proxy = QSortFilterProxyModel()
        proxy.setSourceModel(model)
        proxy.setFilterKeyColumn(-1)
        proxy.setFilterCaseSensitivity(False)
        self.view.setModel(proxy)

        if self.splitter_state:
            self.splitter.restoreState(self.splitter_state)

        self.view.setItemDelegateForColumn(
            Header.Size, SizeDelegate(self))
        self.view.setItemDelegateForColumn(
#.........这里部分代码省略.........

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

#.........这里部分代码省略.........

        self.splitCanvas = QSplitter(Qt.Vertical, self.mainArea)
        self.mainArea.layout().addWidget(self.splitCanvas)

        self.defaultFont = defaultFont = \
            "Monaco" if sys.platform == "darwin" else "Courier"

        self.textBox = gui.vBox(self, 'Python Script')
        self.splitCanvas.addWidget(self.textBox)
        self.text = PythonScriptEditor(self)
        self.textBox.layout().addWidget(self.text)

        self.textBox.setAlignment(Qt.AlignVCenter)
        self.text.setTabStopWidth(4)

        self.text.modificationChanged[bool].connect(self.onModificationChanged)

        self.saveAction = action = QAction("&Save", self.text)
        action.setToolTip("Save script to file")
        action.setShortcut(QKeySequence(QKeySequence.Save))
        action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.saveScript)

        self.consoleBox = gui.vBox(self, 'Console')
        self.splitCanvas.addWidget(self.consoleBox)
        self.console = PythonConsole({}, self)
        self.consoleBox.layout().addWidget(self.console)
        self.console.document().setDefaultFont(QFont(defaultFont))
        self.consoleBox.setAlignment(Qt.AlignBottom)
        self.console.setTabStopWidth(4)

        select_row(self.libraryView, self.currentScriptIndex)

        self.splitCanvas.setSizes([2, 1])
        if self.splitterState is not None:
            self.splitCanvas.restoreState(QByteArray(self.splitterState))

        self.splitCanvas.splitterMoved[int, int].connect(self.onSpliterMoved)
        self.controlArea.layout().addStretch(1)
        self.resize(800, 600)

    def setExampleTable(self, et):
        self.in_data = et

    def setDistanceMatrix(self, dm):
        self.in_distance = dm

    def setLearner(self, learner):
        self.in_learner = learner

    def setClassifier(self, classifier):
        self.in_classifier = classifier

    def setObject(self, obj):
        self.in_object = obj

    def handleNewSignals(self):
        self.unconditional_commit()

    def selectedScriptIndex(self):
        rows = self.libraryView.selectionModel().selectedRows()
        if rows:
            return  [i.row() for i in rows][0]
        else:
            return None

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

#.........这里部分代码省略.........
                    pred_fmt = "{value!s}"
                if pred_fmt and dist_fmt:
                    fmt = dist_fmt + " \N{RIGHTWARDS ARROW} " + pred_fmt
                else:
                    fmt = dist_fmt or pred_fmt
            else:
                assert isinstance(self.class_var, ContinuousVariable)
                fmt = "{{value:.{}f}}".format(
                    self.class_var.number_of_decimals)

            delegate.setFormat(fmt)
            if self.draw_dist and colors is not None:
                delegate.setColors(colors)
            self.predictionsview.setItemDelegate(delegate)
            self.predictionsview.resizeColumnsToContents()

        if self.class_var is not None and self.class_var.is_discrete:
            proxy = self.predictionsview.model()
            if proxy is not None:
                proxy.setProbInd(numpy.array(self.selected_classes, dtype=int))
        self._update_spliter()

    def _update_spliter(self):
        if self.data is None:
            return

        def width(view):
            h_header = view.horizontalHeader()
            v_header = view.verticalHeader()
            return h_header.length() + v_header.width()

        w = width(self.predictionsview) + 4
        w1, w2 = self.splitter.sizes()
        self.splitter.setSizes([w, w1 + w2 - w])

    def commit(self):
        if self.data is None or not self.predictors:
            self.send("Predictions", None)
            self.send("Evaluation Results", None)
            return

        predictor = next(iter(self.predictors.values())).predictor
        class_var = predictor.domain.class_var
        classification = class_var and class_var.is_discrete

        newmetas = []
        newcolumns = []
        slots = list(self.predictors.values())

        if classification:
            if self.output_predictions:
                mc = [DiscreteVariable(name=p.name, values=class_var.values)
                      for p in slots]
                newmetas.extend(mc)
                newcolumns.extend(p.results[0].reshape((-1, 1))
                                  for p in slots)

            if self.output_probabilities:
                for p in slots:
                    m = [ContinuousVariable(name="%s(%s)" % (p.name, value))
                         for value in class_var.values]
                    newmetas.extend(m)
                newcolumns.extend(p.results[1] for p in slots)

        else:
            # regression

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

#.........这里部分代码省略.........
        )
        self.mainArea.layout().addWidget(self.filterLineEdit)

        self.splitter = QSplitter(orientation=Qt.Vertical)

        self.view = QTreeView(
            sortingEnabled=True,
            selectionMode=QTreeView.SingleSelection,
            alternatingRowColors=True,
            rootIsDecorated=False,
            editTriggers=QTreeView.NoEditTriggers,
            uniformRowHeights=True,
        )
        # the method doesn't exists yet, pylint: disable=unnecessary-lambda
        self.view.doubleClicked.connect(lambda: self.unconditional_commit())
        box = gui.widgetBox(self.splitter, "Description", addToLayout=False)
        self.descriptionlabel = QLabel(
            wordWrap=True,
            textFormat=Qt.RichText,
        )
        self.descriptionlabel = QTextBrowser(
            openExternalLinks=True,
            textInteractionFlags=(Qt.TextSelectableByMouse |
                                  Qt.LinksAccessibleByMouse)
        )
        self.descriptionlabel.setFrameStyle(QTextBrowser.NoFrame)
        # no (white) text background
        self.descriptionlabel.viewport().setAutoFillBackground(False)

        box.layout().addWidget(self.descriptionlabel)
        self.splitter.addWidget(self.view)
        self.splitter.addWidget(box)

        self.splitter.setSizes([300, 200])
        self.splitter.splitterMoved.connect(
            lambda:
            setattr(self, "splitter_state", bytes(self.splitter.saveState()))
        )
        self.mainArea.layout().addWidget(self.splitter)
        self.controlArea.layout().addStretch(10)
        gui.auto_commit(self.controlArea, self, "auto_commit", "Send Data")

        proxy = QSortFilterProxyModel()
        proxy.setFilterKeyColumn(-1)
        proxy.setFilterCaseSensitivity(False)
        self.view.setModel(proxy)

        if self.splitter_state:
            self.splitter.restoreState(self.splitter_state)

        self.assign_delegates()

        self.setBlocking(True)
        self.setStatusMessage("Initializing")

        self._executor = ThreadPoolExecutor(max_workers=1)
        f = self._executor.submit(self.list_remote)
        w = FutureWatcher(f, parent=self)
        w.done.connect(self.__set_index)

    def assign_delegates(self):
        # NOTE: All columns must have size hinting delegates.
        # QTreeView queries only the columns displayed in the viewport so
        # the layout would be different depending in the horizontal scroll
        # position
        self.view.setItemDelegate(UniformHeightDelegate(self))

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

#.........这里部分代码省略.........
                    proxy.setProbInd(
                        numpy.array(self.selected_classes, dtype=int))
            self.predictionsview.setItemDelegate(delegate)
            self.predictionsview.resizeColumnsToContents()
        self._update_spliter()

    def _setup_delegate_discrete(self, delegate):
        colors = [QtGui.QColor(*rgb) for rgb in self.class_var.colors]
        fmt = []
        if self.show_probabilities:
            fmt.append(" : ".join("{{dist[{}]:.2f}}".format(i)
                                  for i in sorted(self.selected_classes)))
        if self.show_predictions:
            fmt.append("{value!s}")
        delegate.setFormat(" \N{RIGHTWARDS ARROW} ".join(fmt))
        if self.draw_dist and colors is not None:
            delegate.setColors(colors)
        return delegate

    def _setup_delegate_continuous(self, delegate):
        delegate.setFormat("{{value:{}}}".format(self.class_var.format_str[1:]))

    def _update_spliter(self):
        if self.data is None:
            return

        def width(view):
            h_header = view.horizontalHeader()
            v_header = view.verticalHeader()
            return h_header.length() + v_header.width()

        w = width(self.predictionsview) + 4
        w1, w2 = self.splitter.sizes()
        self.splitter.setSizes([w, w1 + w2 - w])

    def commit(self):
        self._commit_predictions()
        self._commit_evaluation_results()

    def _commit_evaluation_results(self):
        slots = self._valid_predictors()
        if not slots or self.data.domain.class_var is None:
            self.Outputs.evaluation_results.send(None)
            return

        class_var = self.class_var
        nanmask = numpy.isnan(self.data.get_column_view(class_var)[0])
        data = self.data[~nanmask]
        N = len(data)
        results = Orange.evaluation.Results(data, store_data=True)
        results.folds = None
        results.row_indices = numpy.arange(N)
        results.actual = data.Y.ravel()
        results.predicted = numpy.vstack(
            tuple(p.results[0][~nanmask] for p in slots))
        if class_var and class_var.is_discrete:
            results.probabilities = numpy.array(
                [p.results[1][~nanmask] for p in slots])
        results.learner_names = [p.name for p in slots]
        self.Outputs.evaluation_results.send(results)

    def _commit_predictions(self):
        slots = self._valid_predictors()
        if not slots:
            self.Outputs.predictions.send(None)
            return