Python QTableView.resizeColumnsToContents方法代码示例

# 需要导入模块: from qtpy.QtWidgets import QTableView [as 别名]
# 或者: from qtpy.QtWidgets.QTableView import resizeColumnsToContents [as 别名]
    def __init__(self, plotted_lines, *args, **kwargs):
        super().__init__(None, *args, **kwargs)

        self.plotted_lines = plotted_lines

        layout = QVBoxLayout()
        layout.setSizeConstraint(QLayout.SetMaximumSize)
        self.setLayout(layout)

        table_model = LineListTableModel(plotted_lines)
        if table_model.rowCount() > 0:
            table_view = QTableView()

            # disabling sorting will significantly speed up theWidget
            # plot. This is because the table view must be re-built
            # every time a new set of markers is drawn on the plot
            # surface. Alternate approaches are worth examining. It
            # remains to be seen what would be the approach users
            # will favor.

            table_view.setSortingEnabled(False)
            proxy = SortModel(table_model.get_name())
            proxy.setSourceModel(table_model)
            table_view.setModel(proxy)
            table_view.setSortingEnabled(True)

            table_view.setSelectionMode(QAbstractItemView.NoSelection)
            table_view.horizontalHeader().setStretchLastSection(True)
            table_view.resizeColumnsToContents()

            layout.addWidget(table_view)

# 需要导入模块: from qtpy.QtWidgets import QTableView [as 别名]
# 或者: from qtpy.QtWidgets.QTableView import resizeColumnsToContents [as 别名]
def _create_line_list_pane(linelist, table_model, caller):

    table_view = QTableView()

    # disabling sorting will significantly speed up the rendering,
    # in particular of large line lists. These lists are often jumbled
    # in wavelength, and consequently difficult to read and use, so
    # having a sorting option is useful indeed. It remains to be seen
    # what would be the approach users will favor. We might add a toggle
    # that users can set/reset depending on their preferences.
    table_view.setSortingEnabled(False)
    sort_proxy = SortModel(table_model.get_name())
    sort_proxy.setSourceModel(table_model)

    table_view.setModel(sort_proxy)
    table_view.setSortingEnabled(True)
    table_view.horizontalHeader().setStretchLastSection(True)

    # playing with these doesn't speed up the sorting, regardless of whatever
    # you may read on the net.
    #
    # table_view.horizontalHeader().setResizeMode(QHeaderView.Fixed)
    # table_view.verticalHeader().setResizeMode(QHeaderView.Fixed)
    # table_view.horizontalHeader().setStretchLastSection(False)
    # table_view.verticalHeader().setStretchLastSection(False)
    table_view.setSelectionMode(QAbstractItemView.ExtendedSelection)
    table_view.setSelectionBehavior(QAbstractItemView.SelectRows)
    table_view.resizeColumnsToContents()

    # this preserves the original sorting state of the list. Use zero
    # to sort by wavelength on load. Doesn't seem to affect performance
    # by much tough.
    sort_proxy.sort(-1, Qt.AscendingOrder)

    # table selections will change the total count of lines selected.
    pane = LineListPane(table_view, linelist, sort_proxy, caller)

    return pane, table_view

# 需要导入模块: from qtpy.QtWidgets import QTableView [as 别名]
# 或者: from qtpy.QtWidgets.QTableView import resizeColumnsToContents [as 别名]
class SampleLogsView(QSplitter):
    """Sample Logs View

    This contains a table of the logs, a plot of the currently
    selected logs, and the statistics of the selected log.
    """
    def __init__(self, presenter, parent = None, name = '', isMD=False, noExp = 0):
        super(SampleLogsView, self).__init__(parent)

        self.presenter = presenter

        self.setWindowTitle("{} sample logs".format(name))
        self.setWindowFlags(Qt.Window)

        # Create sample log table
        self.table = QTableView()
        self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table.clicked.connect(self.presenter.clicked)
        self.table.doubleClicked.connect(self.presenter.doubleClicked)
        self.table.contextMenuEvent = self.tableMenu
        self.addWidget(self.table)

        frame_right = QFrame()
        layout_right = QVBoxLayout()

        #Add full_time and experimentinfo options
        layout_options = QHBoxLayout()

        if isMD:
            layout_options.addWidget(QLabel("Experiment Info #"))
            self.experimentInfo = QSpinBox()
            self.experimentInfo.setMaximum(noExp-1)
            self.experimentInfo.valueChanged.connect(self.presenter.changeExpInfo)
            layout_options.addWidget(self.experimentInfo)

        self.full_time = QCheckBox("Relative Time")
        self.full_time.setChecked(True)
        self.full_time.stateChanged.connect(self.presenter.plot_logs)
        layout_options.addWidget(self.full_time)
        layout_right.addLayout(layout_options)

        # Sample log plot
        self.fig = Figure()
        self.canvas = FigureCanvas(self.fig)
        self.canvas.setSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding)
        self.canvas.mpl_connect('button_press_event', self.presenter.plot_clicked)
        self.ax = self.fig.add_subplot(111, projection='mantid')
        layout_right.addWidget(self.canvas)

        # Sample stats
        self.create_stats_widgets()
        layout_stats = QFormLayout()
        layout_stats.addRow('', QLabel("Log Statistics"))
        layout_stats.addRow('Min:', self.stats_widgets["minimum"])
        layout_stats.addRow('Max:', self.stats_widgets["maximum"])
        layout_stats.addRow('Mean:', self.stats_widgets["mean"])
        layout_stats.addRow('Median:', self.stats_widgets["median"])
        layout_stats.addRow('Std Dev:', self.stats_widgets["standard_deviation"])
        layout_stats.addRow('Time Avg:', self.stats_widgets["time_mean"])
        layout_stats.addRow('Time Std Dev:', self.stats_widgets["time_standard_deviation"])
        layout_stats.addRow('Duration:', self.stats_widgets["duration"])
        layout_right.addLayout(layout_stats)
        frame_right.setLayout(layout_right)

        self.addWidget(frame_right)
        self.setStretchFactor(0,1)

        self.resize(1200,800)
        self.show()

    def tableMenu(self, event):
        """Right click menu for table, can plot or print selected logs"""
        menu = QMenu(self)
        plotAction = menu.addAction("Plot selected")
        plotAction.triggered.connect(self.presenter.new_plot_logs)
        plotAction = menu.addAction("Print selected")
        plotAction.triggered.connect(self.presenter.print_selected_logs)
        menu.exec_(event.globalPos())

    def set_model(self, model):
        """Set the model onto the table"""
        self.model = model
        self.table.setModel(self.model)
        self.table.resizeColumnsToContents()
        self.table.horizontalHeader().setSectionResizeMode(2, QHeaderView.Stretch)

    def plot_selected_logs(self, ws, exp, rows):
        """Update the plot with the selected rows"""
        self.ax.clear()
        self.create_ax_by_rows(self.ax, ws, exp, rows)
        self.fig.canvas.draw()

    def new_plot_selected_logs(self, ws, exp, rows):
        """Create a new plot, in a separate window for selected rows"""
        fig, ax = plt.subplots(subplot_kw={'projection': 'mantid'})
        self.create_ax_by_rows(ax, ws, exp, rows)
        fig.show()

    def create_ax_by_rows(self, ax, ws, exp, rows):
        """Creates the plots for given rows onto axis ax"""
#.........这里部分代码省略.........