Python QTableView.setSelectionMode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 setSelectionMode [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 setSelectionMode [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 setSelectionMode [as 别名]
class BasePlotCurveEditorDialog(QDialog):
    """QDialog that is used in Qt Designer to edit the properties of the
    curves in a waveform plot.  This dialog is shown when you double-click
    the plot, or when you right click it and choose 'edit curves'.

    This thing is mostly just a wrapper for a table view, with a couple
    buttons to add and remove curves, and a button to save the changes."""
    TABLE_MODEL_CLASS = BasePlotCurvesModel

    def __init__(self, plot, parent=None):
        super(BasePlotCurveEditorDialog, self).__init__(parent)
        self.plot = plot
        self.setup_ui()
        self.table_model = self.TABLE_MODEL_CLASS(self.plot)
        self.table_view.setModel(self.table_model)
        self.table_model.plot = plot
        # self.table_view.resizeColumnsToContents()
        self.add_button.clicked.connect(self.addCurve)
        self.remove_button.clicked.connect(self.removeSelectedCurve)
        self.remove_button.setEnabled(False)
        self.table_view.selectionModel().selectionChanged.connect(
            self.handleSelectionChange)
        self.table_view.doubleClicked.connect(self.handleDoubleClick)
        self.resize(800, 300)

    def setup_ui(self):
        self.vertical_layout = QVBoxLayout(self)
        self.table_view = QTableView(self)
        self.table_view.setEditTriggers(QAbstractItemView.DoubleClicked)
        self.table_view.setProperty("showDropIndicator", False)
        self.table_view.setDragDropOverwriteMode(False)
        self.table_view.setSelectionMode(QAbstractItemView.SingleSelection)
        self.table_view.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table_view.setSortingEnabled(False)
        self.table_view.horizontalHeader().setStretchLastSection(True)
        self.table_view.verticalHeader().setVisible(False)
        self.table_view.setColumnWidth(0, 160)
        self.table_view.setColumnWidth(1, 160)
        self.table_view.setColumnWidth(2, 160)
        self.vertical_layout.addWidget(self.table_view)
        self.add_remove_layout = QHBoxLayout()
        spacer = QSpacerItem(40, 20, QSizePolicy.Expanding,
                             QSizePolicy.Minimum)
        self.add_remove_layout.addItem(spacer)
        self.add_button = QPushButton("Add Curve", self)
        self.add_remove_layout.addWidget(self.add_button)
        self.remove_button = QPushButton("Remove Curve", self)
        self.add_remove_layout.addWidget(self.remove_button)
        self.vertical_layout.addLayout(self.add_remove_layout)
        self.button_box = QDialogButtonBox(self)
        self.button_box.setOrientation(Qt.Horizontal)
        self.button_box.addButton("Done", QDialogButtonBox.AcceptRole)
        self.vertical_layout.addWidget(self.button_box)
        self.button_box.accepted.connect(self.saveChanges)
        self.button_box.rejected.connect(self.reject)
        self.setWindowTitle("Waveform Curve Editor")

    def setup_delegate_columns(self, index=2):
        symbol_delegate = SymbolColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index+3, symbol_delegate)
        line_delegate = LineColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index+1, line_delegate)
        color_delegate = ColorColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index, color_delegate)

    @Slot()
    def addCurve(self):
        self.table_model.append()

    @Slot()
    def removeSelectedCurve(self):
        self.table_model.removeAtIndex(self.table_view.currentIndex())

    @Slot(QItemSelection, QItemSelection)
    def handleSelectionChange(self, selected, deselected):
        self.remove_button.setEnabled(
            self.table_view.selectionModel().hasSelection())

    @Slot(QModelIndex)
    def handleDoubleClick(self, index):
        if self.table_model.needsColorDialog(index):
            # The table model returns a QBrush for BackgroundRole, not a QColor
            init_color = self.table_model.data(index,
                                               Qt.BackgroundRole).color()
            color = QColorDialog.getColor(init_color, self)
            if color.isValid():
                self.table_model.setData(index, color, role=Qt.EditRole)

    @Slot()
    def saveChanges(self):
        formWindow = QDesignerFormWindowInterface.findFormWindow(self.plot)
        if formWindow:
            formWindow.cursor().setProperty("curves", self.plot.curves)
        self.accept()

# 需要导入模块: from qtpy.QtWidgets import QTableView [as 别名]
# 或者: from qtpy.QtWidgets.QTableView import setSelectionMode [as 别名]
class LayoutSettingsDialog(QDialog):
    """Layout settings dialog"""
    def __init__(self, parent, names, order, active):
        super(LayoutSettingsDialog, self).__init__(parent)

        # variables
        self._parent = parent
        self._selection_model = None
        self.names = names
        self.order = order
        self.active = active

        # widgets
        self.button_move_up = QPushButton(_('Move Up'))
        self.button_move_down = QPushButton(_('Move Down'))
        self.button_delete = QPushButton(_('Delete Layout'))
        self.button_box = QDialogButtonBox(QDialogButtonBox.Ok |
                                           QDialogButtonBox.Cancel,
                                           Qt.Horizontal, self)
        self.group_box = QGroupBox(_("Layout Display and Order"))
        self.table = QTableView(self)
        self.ok_button = self.button_box.button(QDialogButtonBox.Ok)
        self.cancel_button = self.button_box.button(QDialogButtonBox.Cancel)
        self.cancel_button.setDefault(True)
        self.cancel_button.setAutoDefault(True)

        # widget setup
        self.dialog_size = QSize(300, 200)
        self.setMinimumSize(self.dialog_size)
        self.setFixedSize(self.dialog_size)
        self.setWindowTitle('Layout Settings')

        self.table.setModel(LayoutModel(self.table, order, active))
        self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table.setSelectionMode(QAbstractItemView.SingleSelection)
        self.table.verticalHeader().hide()
        self.table.horizontalHeader().hide()
        self.table.setAlternatingRowColors(True)
        self.table.setShowGrid(False)
        self.table.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.table.horizontalHeader().setStretchLastSection(True)
        self.table.setColumnHidden(1, True)
        
        # need to keep a reference for pyside not to segfault!
        self._selection_model = self.table.selectionModel()

        # layout
        buttons_layout = QVBoxLayout()
        buttons_layout.addWidget(self.button_move_up)
        buttons_layout.addWidget(self.button_move_down)
        buttons_layout.addStretch()
        buttons_layout.addWidget(self.button_delete)

        group_layout = QHBoxLayout()
        group_layout.addWidget(self.table)
        group_layout.addLayout(buttons_layout)
        self.group_box.setLayout(group_layout)

        layout = QVBoxLayout()
        layout.addWidget(self.group_box)
        layout.addWidget(self.button_box)

        self.setLayout(layout)

        # signals and slots
        self.button_box.accepted.connect(self.accept)
        self.button_box.rejected.connect(self.close)
        self.button_delete.clicked.connect(self.delete_layout)
        self.button_move_up.clicked.connect(lambda: self.move_layout(True))
        self.button_move_down.clicked.connect(lambda: self.move_layout(False))
        self.table.model().dataChanged.connect(
           lambda: self.selection_changed(None, None))
        self._selection_model.selectionChanged.connect(
           lambda: self.selection_changed(None, None))

        # focus table
        index = self.table.model().index(0, 0)
        self.table.setCurrentIndex(index)
        self.table.setFocus()

    def delete_layout(self):
        """ """
        names, order, active = self.names, self.order, self.order
        name = from_qvariant(self.table.selectionModel().currentIndex().data(),
                             to_text_string)

        if name in names:
            index = names.index(name)
            # In case nothing has focus in the table
        if index != -1:
            order.remove(name)
            names[index] = None
            if name in active:
                active.remove(name)
            self.names, self.order, self.active = names, order, active
            self.table.model().set_data(order, active)
            index = self.table.model().index(0, 0)
            self.table.setCurrentIndex(index)
            self.table.setFocus()
            self.selection_changed(None, None)
#.........这里部分代码省略.........