def update_label_with_slider(label: QLabel, slider: QSlider): if label.display_as_percentage: min_value = slider.minimum() percentage = (slider.value() - min_value) / (slider.maximum() - min_value) label.setText(f"{percentage * 100: 3.0f}%") else: label.setText(str(slider.value()))
class ApplicationWindow(QMainWindow): def __init__(self, parent=None): QMainWindow.__init__(self, parent) self.column_names = ["Column A", "Column B", "Column C"] # Central widget self._main = QWidget() self.setCentralWidget(self._main) # Main menu bar self.menu = self.menuBar() self.menu_file = self.menu.addMenu("File") exit = QAction("Exit", self, triggered=qApp.quit) self.menu_file.addAction(exit) self.menu_about = self.menu.addMenu("&About") about = QAction("About Qt", self, shortcut=QKeySequence(QKeySequence.HelpContents), triggered=qApp.aboutQt) self.menu_about.addAction(about) # Figure (Left) self.fig = Figure(figsize=(5, 3)) self.canvas = FigureCanvas(self.fig) # Sliders (Left) self.slider_azim = QSlider(minimum=0, maximum=360, orientation=Qt.Horizontal) self.slider_elev = QSlider(minimum=0, maximum=360, orientation=Qt.Horizontal) self.slider_azim_layout = QHBoxLayout() self.slider_azim_layout.addWidget(QLabel("{}".format(self.slider_azim.minimum()))) self.slider_azim_layout.addWidget(self.slider_azim) self.slider_azim_layout.addWidget(QLabel("{}".format(self.slider_azim.maximum()))) self.slider_elev_layout = QHBoxLayout() self.slider_elev_layout.addWidget(QLabel("{}".format(self.slider_elev.minimum()))) self.slider_elev_layout.addWidget(self.slider_elev) self.slider_elev_layout.addWidget(QLabel("{}".format(self.slider_elev.maximum()))) # Table (Right) self.table = QTableWidget() header = self.table.horizontalHeader() header.setSectionResizeMode(QHeaderView.Stretch) # ComboBox (Right) self.combo = QComboBox() self.combo.addItems(["Wired", "Surface", "Triangular Surface", "Sphere"]) # Right layout rlayout = QVBoxLayout() rlayout.setContentsMargins(1, 1, 1, 1) rlayout.addWidget(QLabel("Plot type:")) rlayout.addWidget(self.combo) rlayout.addWidget(self.table) # Left layout llayout = QVBoxLayout() rlayout.setContentsMargins(1, 1, 1, 1) llayout.addWidget(self.canvas, 88) llayout.addWidget(QLabel("Azimuth:"), 1) llayout.addLayout(self.slider_azim_layout, 5) llayout.addWidget(QLabel("Elevation:"), 1) llayout.addLayout(self.slider_elev_layout, 5) # Main layout layout = QHBoxLayout(self._main) layout.addLayout(llayout, 70) layout.addLayout(rlayout, 30) # Signal and Slots connections self.combo.currentTextChanged.connect(self.combo_option) self.slider_azim.valueChanged.connect(self.rotate_azim) self.slider_elev.valueChanged.connect(self.rotate_elev) # Initial setup self.plot_wire() self._ax.view_init(30, 30) self.slider_azim.setValue(30) self.slider_elev.setValue(30) self.fig.canvas.mpl_connect("button_release_event", self.on_click) # Matplotlib slot method def on_click(self, event): azim, elev = self._ax.azim, self._ax.elev self.slider_azim.setValue(azim + 180) self.slider_elev.setValue(elev + 180) # Utils methods def set_table_data(self, X, Y, Z): for i in range(len(X)): self.table.setItem(i, 0, QTableWidgetItem("{:.2f}".format(X[i]))) self.table.setItem(i, 1, QTableWidgetItem("{:.2f}".format(Y[i]))) self.table.setItem(i, 2, QTableWidgetItem("{:.2f}".format(Z[i]))) def set_canvas_table_configuration(self, row_count, data): self.fig.set_canvas(self.canvas) self._ax = self.canvas.figure.add_subplot(projection="3d") self._ax.set_xlabel(self.column_names[0]) self._ax.set_ylabel(self.column_names[1]) self._ax.set_zlabel(self.column_names[2]) self.table.setRowCount(row_count) self.table.setColumnCount(3) self.table.setHorizontalHeaderLabels(self.column_names) self.set_table_data(data[0], data[1], data[2]) # Plot methods def plot_wire(self): # Data self.X, self.Y, self.Z = axes3d.get_test_data(0.03) self.set_canvas_table_configuration(len(self.X[0]), (self.X[0], self.Y[0], self.Z[0])) self._ax.plot_wireframe(self.X, self.Y, self.Z, rstride=10, cstride=10, cmap="viridis") self.canvas.draw() def plot_surface(self): # Data self.X, self.Y = np.meshgrid(np.linspace(-6, 6, 30), np.linspace(-6, 6, 30)) self.Z = np.sin(np.sqrt(self.X ** 2 + self.Y ** 2)) self.set_canvas_table_configuration(len(self.X[0]), (self.X[0], self.Y[0], self.Z[0])) self._ax.plot_surface(self.X, self.Y, self.Z, rstride=1, cstride=1, cmap="viridis", edgecolor="none") self.canvas.draw() def plot_triangular_surface(self): # Data radii = np.linspace(0.125, 1.0, 8) angles = np.linspace(0, 2 * np.pi, 36, endpoint=False)[..., np.newaxis] self.X = np.append(0, (radii * np.cos(angles)).flatten()) self.Y = np.append(0, (radii * np.sin(angles)).flatten()) self.Z = np.sin(-self.X * self.Y) self.set_canvas_table_configuration(len(self.X), (self.X, self.Y, self.Z)) self._ax.plot_trisurf(self.X, self.Y, self.Z, linewidth=0.2, antialiased=True) self.canvas.draw() def plot_sphere(self): # Data u = np.linspace(0, 2 * np.pi, 100) v = np.linspace(0, np.pi, 100) self.X = 10 * np.outer(np.cos(u), np.sin(v)) self.Y = 10 * np.outer(np.sin(u), np.sin(v)) self.Z = 9 * np.outer(np.ones(np.size(u)), np.cos(v)) self.set_canvas_table_configuration(len(self.X), (self.X[0], self.Y[0], self.Z[0])) self._ax.plot_surface(self.X, self.Y, self.Z) self.canvas.draw() # Slots @Slot() def combo_option(self, text): if text == "Wired": self.plot_wire() elif text == "Surface": self.plot_surface() elif text == "Triangular Surface": self.plot_triangular_surface() elif text == "Sphere": self.plot_sphere() @Slot() def rotate_azim(self, value): self._ax.view_init(self._ax.elev, value) self.fig.set_canvas(self.canvas) self.canvas.draw() @Slot() def rotate_elev(self, value): self._ax.view_init(value, self._ax.azim) self.fig.set_canvas(self.canvas) self.canvas.draw()
class _InputHeader(QGroupBox): def __init__(self, parent, header): super().__init__(parent) self.header = header self.header_index, _ = self.parent().table.model_c.metadata_c.get_header_meta(self.header["name"]) self.setStyleSheet(styles.filter_line_edit) # LAYOUTS self.grid = QGridLayout() self.v_layout = QVBoxLayout() self.h_layout = QHBoxLayout() # FIELDS self.header_label = QLabel(f'{self.header["name"]} : ', self) self.header_label.setFixedWidth(100) self.input = QLineEdit(self) self.input.setMaxLength(self.header["data_type"]["max_value"]) self.input.setPlaceholderText(str(self.parent().table.model_c.get_common_values(header["name"]))) self.exact = QCheckBox("Exact", self) self.exact.setToolTip(f"Value in '{self.header['name']}' must be exacly '{self.input.text()}'") self.exact.stateChanged.connect(self.exact_checked) # SLIDER SET UP self.slider = None if self.header["data_type"]["type"] == "int": self.slider = QSlider(Qt.Horizontal, self) (self.slider.min_v, self.slider.max_v) = self.parent().table.get_min_max(self.header["name"]) self.slider.setMinimum(self.slider.min_v) self.slider.setMaximum(self.slider.max_v) self.slider.valueChanged.connect(self.slider_value_changed) self.slider.hint = QLabel(f'{self.slider.minimum()} - {self.slider.value()}', self) # SET UP self.h_layout.addWidget(self.input) self.h_layout.addWidget(self.exact) self.v_layout.addLayout(self.h_layout) if self.slider is not None: self.v_layout.addWidget(self.slider.hint) self.v_layout.addWidget(self.slider) self.grid.addWidget(self.header_label, 0, 0) self.grid.addLayout(self.v_layout, 0, 1) self.setLayout(self.grid) def get_condition(self): if self.input.text() == "" and self.slider is None: return None if self.slider is not None: if self.input.text() == "" and \ (self.slider.value() == self.slider.maximum() or self.slider.value() == self.slider.minimum()): return None return { "header_name": self.header["name"], "value": self.input.text(), "exact": self.exact.isChecked(), "header_meta": { "index": self.header_index, "meta": self.header }, "value_additional_info": { "contains": not self.exact.isChecked(), "min_value": self.slider.min_v if self.slider is not None else "", "max_value": self.slider.value() if self.slider is not None else "" } } def exact_checked(self): if self.slider is None: return self.slider.hide() if self.exact.isChecked() else self.slider.show() def slider_value_changed(self): self.slider.hint.setText(f'{self.slider.minimum()} - {self.slider.value()}')
class _RemoveNanEditor(AbsOperationEditor): _baseText = { 0: 'Remove with more than: <b>{}</b> nan', 1: 'Remove with more than: <b>{}%</b> nan' } def __init__(self, mode: str, parent: QWidget = None): """ Builds the editor :param mode: one of 'col' or 'row' :param parent: a parent widget """ self.__mode: str = mode super().__init__(parent) def editorBody(self) -> QWidget: self.__group = QButtonGroup() self.__group.setExclusive(True) lab = QLabel('Choose how to remove:') self.__group.addButton(QRadioButton('By number'), id=0) self.__group.addButton(QRadioButton('By percentage'), id=1) self.__currId = None self.__summaryLabel = QLabel() self.__slider = QSlider(Qt.Horizontal, self) self.__slider.setMinimum(0) self.__slider.setTracking(True) self.__slider.setSingleStep(1) self.__numBox = QSpinBox() self.__numBox.setMinimum(0) self.__numBox.setMaximum(10000000) radioLayout = QHBoxLayout() radioLayout.addWidget(self.__group.button(0)) radioLayout.addWidget(self.__group.button(1)) self.__bodyLayout = QVBoxLayout() self.__bodyLayout.addWidget(lab) self.__bodyLayout.addLayout(radioLayout) self.__bodyLayout.addSpacing(20) self.__bodyLayout.addWidget(QLabel('Move the slider to set removal parameter:')) self.__bodyLayout.addSpacing(10) self.__bodyLayout.addWidget(self.__slider if self.__mode == 'row' else self.__numBox) self.__bodyLayout.addWidget(self.__summaryLabel) self.__group.buttonClicked[int].connect(self._toggleMode) # Both are connected, only one is shown self.__slider.valueChanged.connect(self._onValueChanged) self.__numBox.valueChanged[int].connect(self._onValueChanged) # Set a default button and label text self.__group.button(0).click() self.__summaryLabel.setText(self._baseText[0].format(self.__slider.minimum())) body = QWidget() body.setLayout(self.__bodyLayout) return body @Slot(int) def _toggleMode(self, bid: int) -> None: # NOTE: could be refactored if bid == self.__currId: return self.__currId = bid if bid == 0: if not (self.inputShapes and self.inputShapes[0]) and self.__mode == 'row': self.__slider.setDisabled(True) self._onValueChanged(self.__slider.value()) elif not self.__slider.isEnabled(): self.__slider.setEnabled(True) else: if self.__mode == 'row': self.__slider.setMaximum(self.inputShapes[0].nColumns) self._onValueChanged(self.__slider.value()) else: self.__bodyLayout.replaceWidget(self.__slider, self.__numBox) self.__slider.hide() self.__numBox.show() self._onValueChanged(self.__numBox.value()) else: if self.__mode == 'row': if not self.__slider.isEnabled(): self.__slider.setEnabled(True) else: self.__bodyLayout.replaceWidget(self.__numBox, self.__slider) self.__numBox.hide() self.__slider.show() self._onValueChanged(self.__slider.value()) self.__slider.setMaximum(100) @Slot(int) def _onValueChanged(self, value: int): self.__summaryLabel.setText(self._baseText[self.__currId].format(value)) def getOptions(self) -> Iterable: if self.__group.checkedId() == 0: # By number return None, self.__slider.value() if self.__mode == 'row' else self.__numBox.value() else: # By perc return self.__slider.value() / 100, None def setOptions(self, percentage: float, number: int) -> None: if percentage is not None: self.__group.button(1).click() self.__slider.setValue(percentage * 100) elif number is not None: self.__group.button(0).click() self.__slider.setValue(number) if self.__mode == 'row' else self.__numBox.setValue(number) else: # Both None self.__slider.setValue(0) self.__numBox.setValue(0) def refresh(self) -> None: if self.__mode == 'row' and self.__group.checkedId() == 0: self.__slider.setMaximum(self.inputShapes[0].nColumns) self.__slider.setEnabled(True)