class TestChart(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.series = QLineSeries()
        self.series.append(0, 6)
        self.series.append(2, 4)
        self.series.append(3, 8)
        self.series.append(7, 4)
        self.series.append(10, 5)
        self.series.append(QPointF(11, 1))
        self.series.append(QPointF(13, 3))
        self.series.append(QPointF(17, 6))
        self.series.append(QPointF(18, 3))
        self.series.append(QPointF(20, 2))

        self.chart = QChart()
        self.chart.legend().hide()
        self.chart.addSeries(self.series)
        self.chart.createDefaultAxes()
        self.chart.setTitle("Simple line chart example")

        self.chartView = QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
示例#2
0
class TestChart(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.series = QPieSeries()

        self.series.append('Jane', 1)
        self.series.append('Joe', 2)
        self.series.append('Andy', 3)
        self.series.append('Barbara', 4)
        self.series.append('Axel', 5)

        self.slice = self.series.slices()[1]
        self.slice.setExploded()
        self.slice.setLabelVisible()
        self.slice.setPen(QPen(Qt.darkGreen, 2))
        self.slice.setBrush(Qt.green)

        self.chart = QChart()
        self.chart.addSeries(self.series)
        self.chart.setTitle('Simple piechart example')
        self.chart.legend().hide()

        self.chartView = QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
class TableWidget(QWidget):
    def __init__(self):
        QWidget.__init__(self)

        self.model = CustomTableModel()

        self.table_view = QTableView()
        self.table_view.setModel(self.model)
        self.table_view.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
        self.table_view.verticalHeader().setSectionResizeMode(QHeaderView.Stretch)

        self.chart = QChart()
        self.chart.setAnimationOptions(QChart.AllAnimations)

        self.series = QLineSeries()
        self.series.setName("Line 1")
        self.mapper = QVXYModelMapper(self)
        self.mapper.setXColumn(0)
        self.mapper.setYColumn(1)
        self.mapper.setSeries(self.series)
        self.mapper.setModel(self.model)
        self.chart.addSeries(self.series)

        # for storing color hex from the series
        seriesColorHex = "#000000"

        # get the color of the series and use it for showing the mapped area
        seriesColorHex = "{}".format(self.series.pen().color().name())
        self.model.add_mapping(seriesColorHex, QRect(0, 0, 2, self.model.rowCount()))

        # series 2
        self.series = QLineSeries()
        self.series.setName("Line 2")

        self.mapper = QVXYModelMapper(self)
        self.mapper.setXColumn(2)
        self.mapper.setYColumn(3)
        self.mapper.setSeries(self.series)
        self.mapper.setModel(self.model)
        self.chart.addSeries(self.series)

        # get the color of the series and use it for showing the mapped area
        seriesColorHex = "{}".format(self.series.pen().color().name())
        self.model.add_mapping(seriesColorHex, QRect(2, 0, 2, self.model.rowCount()))

        self.chart.createDefaultAxes()
        self.chart_view = QChartView(self.chart)
        self.chart_view.setRenderHint(QPainter.Antialiasing)
        self.chart_view.setMinimumSize(640, 480)

        # create main layout
        self.main_layout = QGridLayout()
        self.main_layout.addWidget(self.table_view, 1, 0)
        self.main_layout.addWidget(self.chart_view, 1, 1)
        self.main_layout.setColumnStretch(1, 1)
        self.main_layout.setColumnStretch(0, 0)
        self.setLayout(self.main_layout)
class TestChart(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.set0 = QBarSet("Jane")
        self.set1 = QBarSet("John")
        self.set2 = QBarSet("Axel")
        self.set3 = QBarSet("Mary")
        self.set4 = QBarSet("Sam")

        self.set0.append([1, 2, 3, 4, 5, 6])
        self.set1.append([5, 0, 0, 4, 0, 7])
        self.set2.append([3, 5, 8, 13, 8, 5])
        self.set3.append([5, 6, 7, 3, 4, 5])
        self.set4.append([9, 7, 5, 3, 1, 2])

        self.barSeries = QBarSeries()
        self.barSeries.append(self.set0)
        self.barSeries.append(self.set1)
        self.barSeries.append(self.set2)
        self.barSeries.append(self.set3)
        self.barSeries.append(self.set4)

        self.lineSeries = QLineSeries()
        self.lineSeries.setName("trend")
        self.lineSeries.append(QPoint(0, 4))
        self.lineSeries.append(QPoint(1, 15))
        self.lineSeries.append(QPoint(2, 20))
        self.lineSeries.append(QPoint(3, 4))
        self.lineSeries.append(QPoint(4, 12))
        self.lineSeries.append(QPoint(5, 17))

        self.chart = QChart()
        self.chart.addSeries(self.barSeries)
        self.chart.addSeries(self.lineSeries)
        self.chart.setTitle("Line and barchart example")

        self.categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
        self.axisX = QBarCategoryAxis()
        self.axisX.append(self.categories)
        self.chart.setAxisX(self.axisX, self.lineSeries)
        self.chart.setAxisX(self.axisX, self.barSeries)
        self.axisX.setRange("Jan", "Jun")

        self.axisY = QValueAxis()
        self.chart.setAxisY(self.axisY, self.lineSeries)
        self.chart.setAxisY(self.axisY, self.barSeries)
        self.axisY.setRange(0, 20)

        self.chart.legend().setVisible(True)
        self.chart.legend().setAlignment(Qt.AlignBottom)

        self.chartView = QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
    def __init__(self):
        QMainWindow.__init__(self)

        set0 = QBarSet("Jane")
        set1 = QBarSet("John")
        set2 = QBarSet("Axel")
        set3 = QBarSet("Mary")
        set4 = QBarSet("Samantha")

        set0.append([1, 2, 3, 4, 5, 6])
        set1.append([5, 0, 0, 4, 0, 7])
        set2.append([3, 5, 8, 13, 8, 5])
        set3.append([5, 6, 7, 3, 4, 5])
        set4.append([9, 7, 5, 3, 1, 2])

        series = QPercentBarSeries()
        series.append(set0)
        series.append(set1)
        series.append(set2)
        series.append(set3)
        series.append(set4)

        chart = QChart()
        chart.addSeries(series)
        chart.setTitle("Simple percentbarchart example")
        chart.setAnimationOptions(QChart.SeriesAnimations)

        categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
        axis = QBarCategoryAxis()
        axis.append(categories)
        chart.createDefaultAxes()
        chart.setAxisX(axis, series)

        chart.legend().setVisible(True)
        chart.legend().setAlignment(Qt.AlignBottom)

        chart_view = QChartView(chart)
        chart_view.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(chart_view)
    def __init__(self):
        QMainWindow.__init__(self)
        low = QBarSet("Min")
        high = QBarSet("Max")
        low.append([-52, -50, -45.3, -37.0, -25.6, -8.0,
                    -6.0, -11.8, -19.7, -32.8, -43.0, -48.0])
        high.append([11.9, 12.8, 18.5, 26.5, 32.0, 34.8,
                     38.2, 34.8, 29.8, 20.4, 15.1, 11.8])

        series = QStackedBarSeries()
        series.append(low)
        series.append(high)

        chart = QChart()
        chart.addSeries(series)
        chart.setTitle("Temperature records in celcius")
        chart.setAnimationOptions(QChart.SeriesAnimations)

        categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
                      "Aug", "Sep", "Oct", "Nov", "Dec"]
        axisX = QBarCategoryAxis()
        axisX.append(categories)
        axisX.setTitleText("Month")
        chart.addAxis(axisX, Qt.AlignBottom)
        axisY = QValueAxis()
        axisY.setRange(-52, 52)
        axisY.setTitleText("Temperature [°C]")
        chart.addAxis(axisY, Qt.AlignLeft)
        series.attachAxis(axisX)
        series.attachAxis(axisY)

        chart.legend().setVisible(True)
        chart.legend().setAlignment(Qt.AlignBottom)

        chart_view = QChartView(chart)
        chart_view.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(chart_view)
示例#7
0
class TestChart(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.series = QLineSeries()
        self.series.append([
            QPointF(1.0, 1.0),
            QPointF(2.0, 73.0),
            QPointF(3.0, 268.0),
            QPointF(4.0, 17.0),
            QPointF(5.0, 4325.0),
            QPointF(6.0, 723.0)
        ])

        self.chart = QChart()
        self.chart.addSeries(self.series)
        self.chart.legend().hide()
        self.chart.setTitle("Logarithmic axis example")

        self.axisX = QValueAxis()
        self.axisX.setTitleText("Data point")
        self.axisX.setLabelFormat("%i")
        self.axisX.setTickCount(self.series.count())
        self.chart.addAxis(self.axisX, Qt.AlignBottom)
        self.series.attachAxis(self.axisX)

        self.axisY = QLogValueAxis()
        self.axisY.setTitleText("Values")
        self.axisY.setLabelFormat("%g")
        self.axisY.setBase(8.0)
        self.axisY.setMinorTickCount(-1)
        self.chart.addAxis(self.axisY, Qt.AlignLeft)
        self.series.attachAxis(self.axisY)

        self.chartView = QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
class Widget(QWidget):
    def __init__(self):
        QWidget.__init__(self)
        self.items = 0

        # Left
        self.table = QTableWidget()
        self.table.setColumnCount(2)
        self.table.setHorizontalHeaderLabels(["Description", "Quantity"])
        self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)

        # Chart
        self.chart_view = QChartView()
        self.chart_view.setRenderHint(QPainter.Antialiasing)

        # Right
        self.description = QLineEdit()
        self.quantity = QLineEdit()
        self.add = QPushButton("Add")
        self.clear = QPushButton("Clear")
        self.quit = QPushButton("Quit")
        self.plot = QPushButton("Plot")

        # Disabling 'Add' button
        self.add.setEnabled(False)

        self.right = QVBoxLayout()
        self.right.setContentsMargins(10, 10, 10, 10)

        self.right_top = QGridLayout()

        self.right_top.addWidget(QLabel("Description"), 0, 0, 1, 1)
        self.right_top.addWidget(self.description, 0, 1, 1, 3)
        self.right_top.addWidget(QLabel("Quantity"), 1, 0, 1, 1)
        self.right_top.addWidget(self.quantity, 1, 1, 1, 1)
        self.right_top.addWidget(self.add, 1, 2, 1, 2)

        self.right.addLayout(self.right_top)
        self.right.addWidget(self.chart_view)

        self.right_bottom = QGridLayout()
        self.right_bottom.addWidget(self.plot, 0, 0, 1, 2)
        self.right_bottom.addWidget(self.clear, 1, 0)
        self.right_bottom.addWidget(self.quit, 1, 1)

        self.right.addLayout(self.right_bottom)

        # QWidget Layout
        self.layout = QHBoxLayout()

        self.layout.addWidget(self.table)
        self.layout.addLayout(self.right)

        # Set the layout to the QWidget
        self.setLayout(self.layout)

        # Signals and Slots
        self.add.clicked.connect(self.add_element)
        self.quit.clicked.connect(self.quit_application)
        self.plot.clicked.connect(self.plot_data)
        self.clear.clicked.connect(self.clear_table)
        self.description.textChanged[str].connect(self.check_disable)
        self.quantity.textChanged[str].connect(self.check_disable)

    @Slot()
    def add_element(self):
        des = self.description.text()
        qty = self.quantity.text()

        self.table.insertRow(self.items)
        self.table.setItem(self.items, 0, QTableWidgetItem(des))
        self.table.setItem(self.items, 1, QTableWidgetItem(qty))

        self.description.setText("")
        self.quantity.setText("")

        self.items += 1

    @Slot()
    def check_disable(self, s):
        if not self.description.text() or not self.quantity.text():
            self.add.setEnabled(False)
        else:
            self.add.setEnabled(True)

    @Slot()
    def plot_data(self):
        # Get table information
        series = QBarSeries()
        for i in range(self.table.rowCount()):
            text = self.table.item(i, 0).text()
            number = float(self.table.item(i, 1).text())

            bar_set = QBarSet(text)
            bar_set.append(number)

            series.append(bar_set)

        chart = QChart()
        chart.addSeries(series)
        chart.legend().setAlignment(Qt.AlignLeft)
        self.chart_view.setChart(chart)

    @Slot()
    def quit_application(self):
        QApplication.quit()

    @Slot()
    def clear_table(self):
        self.table.setRowCount(0)
        self.items = 0
示例#9
0
class MainWidget(QWidget):
    def __init__(self, parent=None):
        super(MainWidget, self).__init__(parent)
        self.chart = QChart()
        self.series = QBarSeries()

        self.main_layout = QGridLayout()
        self.button_layout = QGridLayout()
        self.font_layout = QFormLayout()

        self.font_size = QDoubleSpinBox()

        self.legend_posx = QDoubleSpinBox()
        self.legend_posy = QDoubleSpinBox()
        self.legend_width = QDoubleSpinBox()
        self.legend_height = QDoubleSpinBox()

        self.detach_legend_button = QPushButton("Toggle attached")
        self.detach_legend_button.clicked.connect(self.toggle_attached)
        self.button_layout.addWidget(self.detach_legend_button, 0, 0)

        self.add_set_button = QPushButton("add barset")
        self.add_set_button.clicked.connect(self.add_barset)
        self.button_layout.addWidget(self.add_set_button, 2, 0)

        self.remove_barset_button = QPushButton("remove barset")
        self.remove_barset_button.clicked.connect(self.remove_barset)
        self.button_layout.addWidget(self.remove_barset_button, 3, 0)

        self.align_button = QPushButton("Align (Bottom)")
        self.align_button.clicked.connect(self.set_legend_alignment)
        self.button_layout.addWidget(self.align_button, 4, 0)

        self.bold_button = QPushButton("Toggle bold")
        self.bold_button.clicked.connect(self.toggle_bold)
        self.button_layout.addWidget(self.bold_button, 8, 0)

        self.italic_button = QPushButton("Toggle italic")
        self.italic_button.clicked.connect(self.toggle_italic)
        self.button_layout.addWidget(self.italic_button, 9, 0)

        self.legend_posx.valueChanged.connect(self.update_legend_layout)
        self.legend_posy.valueChanged.connect(self.update_legend_layout)
        self.legend_width.valueChanged.connect(self.update_legend_layout)
        self.legend_height.valueChanged.connect(self.update_legend_layout)

        legend_layout = QFormLayout()
        legend_layout.addRow("HPos", self.legend_posx)
        legend_layout.addRow("VPos", self.legend_posy)
        legend_layout.addRow("Width", self.legend_width)
        legend_layout.addRow("Height", self.legend_height)

        self.legend_settings = QGroupBox("Detached legend")
        self.legend_settings.setLayout(legend_layout)
        self.button_layout.addWidget(self.legend_settings)
        self.legend_settings.setVisible(False)

        # Create chart view with the chart
        self.chart_view = QChartView(self.chart, self)

        # Create spinbox to modify font size
        self.font_size.setValue(self.chart.legend().font().pointSizeF())
        self.font_size.valueChanged.connect(self.font_size_changed)

        self.font_layout.addRow("Legend font size", self.font_size)

        # Create layout for grid and detached legend
        self.main_layout.addLayout(self.button_layout, 0, 0)
        self.main_layout.addLayout(self.font_layout, 1, 0)
        self.main_layout.addWidget(self.chart_view, 0, 1, 3, 1)
        self.setLayout(self.main_layout)

        self.create_series()

    def create_series(self):
        self.add_barset()
        self.add_barset()
        self.add_barset()
        self.add_barset()

        self.chart.addSeries(self.series)
        self.chart.setTitle("Legend detach example")
        self.chart.createDefaultAxes()

        self.chart.legend().setVisible(True)
        self.chart.legend().setAlignment(Qt.AlignBottom)

        self.chart_view.setRenderHint(QPainter.Antialiasing)

    def show_legend_spinbox(self):
        self.legend_settings.setVisible(True)
        chart_viewrect = self.chart_view.rect()

        self.legend_posx.setMinimum(0)
        self.legend_posx.setMaximum(chart_viewrect.width())
        self.legend_posx.setValue(150)

        self.legend_posy.setMinimum(0)
        self.legend_posy.setMaximum(chart_viewrect.height())
        self.legend_posy.setValue(150)

        self.legend_width.setMinimum(0)
        self.legend_width.setMaximum(chart_viewrect.width())
        self.legend_width.setValue(150)

        self.legend_height.setMinimum(0)
        self.legend_height.setMaximum(chart_viewrect.height())
        self.legend_height.setValue(75)

    def hideLegendSpinbox(self):
        self.legend_settings.setVisible(False)

    def toggle_attached(self):
        legend = self.chart.legend()
        if legend.isAttachedToChart():
            legend.detachFromChart()
            legend.setBackgroundVisible(True)
            legend.setBrush(QBrush(QColor(128, 128, 128, 128)))
            legend.setPen(QPen(QColor(192, 192, 192, 192)))

            self.show_legend_spinbox()
            self.update_legend_layout()
        else:
            legend.attachToChart()
            legend.setBackgroundVisible(False)
            self.hideLegendSpinbox()
        self.update()

    def add_barset(self):
        series_count = self.series.count()
        bar_set = QBarSet(f"set {series_count}")
        delta = series_count * 0.1
        bar_set.append([1 + delta, 2 + delta, 3 + delta, 4 + delta])
        self.series.append(bar_set)

    def remove_barset(self):
        sets = self.series.barSets()
        len_sets = len(sets)
        if len_sets > 0:
            self.series.remove(sets[len_sets - 1])

    def set_legend_alignment(self):
        button = self.sender()
        legend = self.chart.legend()
        alignment = legend.alignment()

        if alignment == Qt.AlignTop:
            legend.setAlignment(Qt.AlignLeft)
            if button:
                button.setText("Align (Left)")
        elif alignment == Qt.AlignLeft:
            legend.setAlignment(Qt.AlignBottom)
            if button:
                button.setText("Align (Bottom)")
        elif alignment == Qt.AlignBottom:
            legend.setAlignment(Qt.AlignRight)
            if button:
                button.setText("Align (Right)")
        else:
            if button:
                button.setText("Align (Top)")
            legend.setAlignment(Qt.AlignTop)

    def toggle_bold(self):
        legend = self.chart.legend()
        font = legend.font()
        font.setBold(not font.bold())
        legend.setFont(font)

    def toggle_italic(self):
        legend = self.chart.legend()
        font = legend.font()
        font.setItalic(not font.italic())
        legend.setFont(font)

    def font_size_changed(self):
        legend = self.chart.legend()
        font = legend.font()
        font_size = self.font_size.value()
        if font_size < 1:
            font_size = 1
        font.setPointSizeF(font_size)
        legend.setFont(font)

    def update_legend_layout(self):
        legend = self.chart.legend()

        rect = QRectF(self.legend_posx.value(), self.legend_posy.value(),
                      self.legend_width.value(), self.legend_height.value())
        legend.setGeometry(rect)

        legend.update()
class Widget(QWidget):
    def __init__(self):
        QWidget.__init__(self)
        self.setMinimumSize(800, 600)
        self.donuts = []
        self.chart_view = QChartView()
        self.chart_view.setRenderHint(QPainter.Antialiasing)
        self.chart = self.chart_view.chart()
        self.chart.legend().setVisible(False)
        self.chart.setTitle("Nested donuts demo")
        self.chart.setAnimationOptions(QChart.AllAnimations)

        self.min_size = 0.1
        self.max_size = 0.9
        self.donut_count = 5

        self.setup_donuts()

        # create main layout
        self.main_layout = QGridLayout(self)
        self.main_layout.addWidget(self.chart_view, 1, 1)
        self.setLayout(self.main_layout)

        self.update_timer = QTimer(self)
        self.update_timer.timeout.connect(self.update_rotation)
        self.update_timer.start(1250)

    def setup_donuts(self):
        for i in range(self.donut_count):
            donut = QPieSeries()
            slccount = randrange(3, 6)
            for j in range(slccount):
                value = randrange(100, 200)

                slc = QPieSlice(str(value), value)
                slc.setLabelVisible(True)
                slc.setLabelColor(Qt.white)
                slc.setLabelPosition(QPieSlice.LabelInsideTangential)

                # Connection using an extra parameter for the slot
                slc.hovered[bool].connect(partial(self.explode_slice, slc=slc))

                donut.append(slc)
                size = (self.max_size - self.min_size) / self.donut_count
                donut.setHoleSize(self.min_size + i * size)
                donut.setPieSize(self.min_size + (i + 1) * size)

            self.donuts.append(donut)
            self.chart_view.chart().addSeries(donut)

    def update_rotation(self):
        for donut in self.donuts:
            phase_shift = randrange(-50, 100)
            donut.setPieStartAngle(donut.pieStartAngle() + phase_shift)
            donut.setPieEndAngle(donut.pieEndAngle() + phase_shift)

    def explode_slice(self, exploded, slc):
        if exploded:
            self.update_timer.stop()
            slice_startangle = slc.startAngle()
            slice_endangle = slc.startAngle() + slc.angleSpan()

            donut = slc.series()
            idx = self.donuts.index(donut)
            for i in range(idx + 1, len(self.donuts)):
                self.donuts[i].setPieStartAngle(slice_endangle)
                self.donuts[i].setPieEndAngle(360 + slice_startangle)
        else:
            for donut in self.donuts:
                donut.setPieStartAngle(0)
                donut.setPieEndAngle(360)

            self.update_timer.start()

        slc.setExploded(exploded)
class Widget(QWidget):
    def __init__(self):
        QWidget.__init__(self)
        self.items = 0

        # Example data
        self._data = {
            "Water": 24.5,
            "Electricity": 55.1,
            "Rent": 850.0,
            "Supermarket": 230.4,
            "Internet": 29.99,
            "Spätkauf": 21.85,
            "BVG Ticket": 60.0,
            "Coffee": 22.45,
            "Meetup": 0.0
        }

        # Left
        self.table = QTableWidget()
        self.table.setColumnCount(2)
        self.table.setHorizontalHeaderLabels(["Description", "Quantity"])
        self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)

        # Chart
        self.chart_view = QChartView()
        self.chart_view.setRenderHint(QPainter.Antialiasing)

        # Right
        self.description = QLineEdit()
        self.quantity = QLineEdit()
        self.add = QPushButton("Add")
        self.clear = QPushButton("Clear")
        self.quit = QPushButton("Quit")
        self.plot = QPushButton("Plot")

        # Disabling 'Add' button
        self.add.setEnabled(False)

        self.right = QVBoxLayout()
        self.right.setContentsMargins(10, 10, 10, 10)
        self.right.addWidget(QLabel("Description"))
        self.right.addWidget(self.description)
        self.right.addWidget(QLabel("Quantity"))
        self.right.addWidget(self.quantity)
        self.right.addWidget(self.add)
        self.right.addWidget(self.plot)
        self.right.addWidget(self.chart_view)
        self.right.addWidget(self.clear)
        self.right.addWidget(self.quit)

        # QWidget Layout
        self.layout = QHBoxLayout()

        self.layout.addWidget(self.table)
        self.layout.addLayout(self.right)

        # Set the layout to the QWidget
        self.setLayout(self.layout)

        # Signals and Slots
        self.add.clicked.connect(self.add_element)
        self.quit.clicked.connect(self.quit_application)
        self.plot.clicked.connect(self.plot_data)
        self.clear.clicked.connect(self.clear_table)
        self.description.textChanged[str].connect(self.check_disable)
        self.quantity.textChanged[str].connect(self.check_disable)

        # Fill example data
        self.fill_table()

    @Slot()
    def add_element(self):
        des = self.description.text()
        qty = self.quantity.text()

        self.table.insertRow(self.items)
        self.table.setItem(self.items, 0, QTableWidgetItem(des))
        self.table.setItem(self.items, 1, QTableWidgetItem(qty))

        self.description.setText("")
        self.quantity.setText("")

        self.items += 1

    @Slot()
    def check_disable(self, s):
        if not self.description.text() or not self.quantity.text():
            self.add.setEnabled(False)
        else:
            self.add.setEnabled(True)

    @Slot()
    def plot_data(self):
        # Get table information
        series = QPieSeries()
        for i in range(self.table.rowCount()):
            text = self.table.item(i, 0).text()
            number = float(self.table.item(i, 1).text())
            series.append(text, number)

        chart = QChart()
        chart.addSeries(series)
        chart.legend().setAlignment(Qt.AlignLeft)
        self.chart_view.setChart(chart)

    @Slot()
    def quit_application(self):
        QApplication.quit()

    def fill_table(self, data=None):
        data = self._data if not data else data
        for desc, price in data.items():
            self.table.insertRow(self.items)
            self.table.setItem(self.items, 0, QTableWidgetItem(desc))
            self.table.setItem(self.items, 1, QTableWidgetItem(str(price)))
            self.items += 1

    @Slot()
    def clear_table(self):
        self.table.setRowCount(0)
        self.items = 0
示例#12
0
    series2 = QPieSeries()
    series2.setName("Renewables")
    series2.append("Wood fuels", 319663)
    series2.append("Hydro power", 45875)
    series2.append("Wind power", 1060)

    series3 = QPieSeries()
    series3.setName("Others")
    series3.append("Nuclear energy", 238789)
    series3.append("Import energy", 37802)
    series3.append("Other", 32441)

    donut_breakdown = DonutBreakdownChart()
    donut_breakdown.setAnimationOptions(QChart.AllAnimations)
    donut_breakdown.setTitle("Total consumption of energy in Finland 2010")
    donut_breakdown.legend().setAlignment(Qt.AlignRight)
    donut_breakdown.add_breakdown_series(series1, Qt.red)
    donut_breakdown.add_breakdown_series(series2, Qt.darkGreen)
    donut_breakdown.add_breakdown_series(series3, Qt.darkBlue)

    window = QMainWindow()
    chart_view = QChartView(donut_breakdown)
    chart_view.setRenderHint(QPainter.Antialiasing)
    window.setCentralWidget(chart_view)
    available_geometry = window.screen().availableGeometry()
    size = available_geometry.height() * 0.75
    window.resize(size, size * 0.8)
    window.show()

    sys.exit(app.exec_())