Python QTableView.setHorizontalScrollBarPolicy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 setHorizontalScrollBarPolicy [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.........

# 需要导入模块: from qtpy.QtWidgets import QTableView [as 别名]
# 或者: from qtpy.QtWidgets.QTableView import setHorizontalScrollBarPolicy [as 别名]

#.........这里部分代码省略.........
        self.button_cancel = self.bbox.button(QDialogButtonBox.Cancel)

        self.button_cancel.setDefault(True)
        self.button_cancel.setAutoDefault(True)

        dialog_size = QSize(300, 90)

        # helper variable values
        action_title = {const.UPGRADE: _("Upgrade package"),
                        const.DOWNGRADE: _("Downgrade package"),
                        const.REMOVE: _("Remove package"),
                        const.INSTALL: _("Install package")}

        # Versions might have duplicates from different builds
        versions = sort_versions(list(set(versions)), reverse=True)

        # FIXME: There is a bug, a package installed by anaconda has version
        # astropy 0.4 and the linked list 0.4 but the available versions
        # in the json file do not include 0.4 but 0.4rc1... so...
        # temporal fix is to check if inside list otherwise show full list
        if action == const.UPGRADE:
            if version in versions:
                index = versions.index(version)
                versions = versions[:index]
            else:
                versions = versions
        elif action == const.DOWNGRADE:
            if version in versions:
                index = versions.index(version)
                versions = versions[index+1:]
            else:
                versions = versions
        elif action == const.REMOVE:
            versions = [version]
            self.combobox_version.setEnabled(False)

        if len(versions) == 1:
            if action == const.REMOVE:
                labeltext = _('Package version to remove:')
            else:
                labeltext = _('Package version available:')
            self.label_version.setText(versions[0])
            self.widget_version = self.label_version
        else:
            labeltext = _("Select package version:")
            self.combobox_version.addItems(versions)
            self.widget_version = self.combobox_version

        self.label.setText(labeltext)
        self.label_version.setAlignment(Qt.AlignLeft)
        self.table_dependencies = QWidget(self)

        self._layout = QGridLayout()
        self._layout.addWidget(self.label, 0, 0, Qt.AlignVCenter |
                               Qt.AlignLeft)
        self._layout.addWidget(self.widget_version, 0, 1, Qt.AlignVCenter |
                               Qt.AlignRight)

        self.widgets = [self.checkbox, self.button_ok, self.widget_version,
                        self.table_dependencies]
        row_index = 1

        # Create a Table
        if action in [const.INSTALL, const.UPGRADE, const.DOWNGRADE]:
            table = QTableView(self)
            dialog_size = QSize(dialog_size.width() + 40, 300)
            self.table_dependencies = table
            row_index = 1
            self._layout.addItem(QSpacerItem(10, 5), row_index, 0)
            self._layout.addWidget(self.checkbox, row_index + 1, 0, 1, 2)
            self.checkbox.setChecked(True)
            self._changed_version(versions[0])

            table.setSelectionBehavior(QAbstractItemView.SelectRows)
            table.verticalHeader().hide()
            table.horizontalHeader().hide()
            table.setAlternatingRowColors(True)
            table.setShowGrid(False)
            table.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
            table.horizontalHeader().setStretchLastSection(True)

        self._layout.addWidget(self.table_dependencies, row_index + 2, 0, 1, 2,
                               Qt.AlignHCenter)
        self._layout.addItem(QSpacerItem(10, 5), row_index + 3, 0)
        self._layout.addWidget(self.bbox, row_index + 6, 0, 1, 2,
                               Qt.AlignHCenter)

        title = "{0}: {1}".format(action_title[action], name)
        self.setLayout(self._layout)
        self.setMinimumSize(dialog_size)
        self.setFixedSize(dialog_size)
        self.setWindowTitle(title)
        self.setModal(True)

        # signals and slots
        self.bbox.accepted.connect(self.accept)
        self.bbox.rejected.connect(self.close)
        self.combobox_version.currentIndexChanged.connect(
            self._changed_version)
        self.checkbox.stateChanged.connect(self._changed_checkbox)

# 需要导入模块: from qtpy.QtWidgets import QTableView [as 别名]
# 或者: from qtpy.QtWidgets.QTableView import setHorizontalScrollBarPolicy [as 别名]

#.........这里部分代码省略.........
        self.bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel, Qt.Horizontal, self)

        self.button_ok = self.bbox.button(QDialogButtonBox.Ok)
        self.button_cancel = self.bbox.button(QDialogButtonBox.Cancel)

        self.button_cancel.setDefault(True)
        self.button_cancel.setAutoDefault(True)

        dialog_size = QSize(300, 90)

        # Helper variable values
        action_title = {
            C.ACTION_UPGRADE: _("Upgrade package"),
            C.ACTION_DOWNGRADE: _("Downgrade package"),
            C.ACTION_REMOVE: _("Remove package"),
            C.ACTION_INSTALL: _("Install package"),
        }

        # FIXME: There is a bug, a package installed by anaconda has version
        # astropy 0.4 and the linked list 0.4 but the available versions
        # in the json file do not include 0.4 but 0.4rc1... so...
        # temporal fix is to check if inside list otherwise show full list
        if action == C.ACTION_UPGRADE:
            if version in versions:
                index = versions.index(version)
                combo_versions = versions[index + 1 :]
            else:
                versions = versions
        elif action == C.ACTION_DOWNGRADE:
            if version in versions:
                index = versions.index(version)
                combo_versions = versions[:index]
            else:
                versions = versions
        elif action == C.ACTION_REMOVE:
            combo_versions = [version]
            self.combobox_version.setEnabled(False)
        elif action == C.ACTION_INSTALL:
            combo_versions = versions

        # Reverse order for combobox
        combo_versions = list(reversed(combo_versions))

        if len(versions) == 1:
            if action == C.ACTION_REMOVE:
                labeltext = _("Package version to remove:")
            else:
                labeltext = _("Package version available:")
            self.label_version.setText(combo_versions[0])
            self.widget_version = self.label_version
        else:
            labeltext = _("Select package version:")
            self.combobox_version.addItems(combo_versions)
            self.widget_version = self.combobox_version

        self.label.setText(labeltext)
        self.label_version.setAlignment(Qt.AlignLeft)
        self.table_dependencies = QWidget(self)

        layout = QVBoxLayout()
        version_layout = QHBoxLayout()
        version_layout.addWidget(self.label)
        version_layout.addStretch()
        version_layout.addWidget(self.widget_version)
        layout.addLayout(version_layout)

        self.widgets = [self.checkbox, self.button_ok, self.widget_version, self.table_dependencies]

        # Create a Table
        if action in [C.ACTION_INSTALL, C.ACTION_UPGRADE, C.ACTION_DOWNGRADE]:
            table = QTableView(self)
            dialog_size = QSize(dialog_size.width() + 40, 300)
            self.table_dependencies = table
            layout.addWidget(self.checkbox)
            self.checkbox.setChecked(True)
            self._changed_version(versions[0])

            table.setSelectionBehavior(QAbstractItemView.SelectRows)
            table.verticalHeader().hide()
            table.horizontalHeader().hide()
            table.setAlternatingRowColors(True)
            table.setShowGrid(False)
            table.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
            table.horizontalHeader().setStretchLastSection(True)

        layout.addWidget(self.table_dependencies)
        layout.addWidget(self.bbox)

        title = "{0}: {1}".format(action_title[action], name)
        self.setLayout(layout)
        self.setMinimumSize(dialog_size)
        self.setFixedSize(dialog_size)
        self.setWindowTitle(title)
        self.setModal(True)

        # Signals and slots
        self.bbox.accepted.connect(self.accept)
        self.bbox.rejected.connect(self.close)
        self.combobox_version.currentIndexChanged.connect(self._changed_version)
        self.checkbox.stateChanged.connect(self._changed_checkbox)