Python QHBoxLayout.itemAt方法代码示例

# 需要导入模块: from qtpy.QtWidgets import QHBoxLayout [as 别名]
# 或者: from qtpy.QtWidgets.QHBoxLayout import itemAt [as 别名]
class ConvertFluxUnitGUI(QDialog):
    """
    GUI for unit conversions
    """
    def __init__(self, controller, parent=None, convert_data=False):
        super(ConvertFluxUnitGUI, self).__init__(parent=parent)
        self.setWindowFlags(self.windowFlags() | Qt.Tool)
        self.title = "Unit Conversion"
        self.setMinimumSize(400, 270)

        self.convert_data = convert_data

        self.cubeviz_layout = controller.cubeviz_layout
        self._hub = self.cubeviz_layout.session.hub

        self.controller = controller
        self.data = controller.data
        self.controller_components = controller._components

        self.current_unit = None
        self.current_layout = None

        self._init_ui()

    def _init_ui(self):
        # LINE 1: Data component drop down
        self.component_prompt = QLabel("Data Component:")
        self.component_prompt.setWordWrap(True)
        # Add the data component labels to the drop down, with the ComponentID
        # set as the userData:
        if self.parent is not None and hasattr(self.parent, 'data_components'):
            self.label_data = [(str(cid), cid) for cid in self.parent.data_components]
        else:
            self.label_data = [(str(cid), cid) for cid in self.data.visible_components]

        default_index = 0
        self.component_combo = QComboBox()
        self.component_combo.setFixedWidth(200)
        update_combobox(self.component_combo, self.label_data, default_index=default_index)
        self.component_combo.currentIndexChanged.connect(self.update_unit_layout)

        # hbl is short for Horizontal Box Layout
        hbl1 = QHBoxLayout()
        hbl1.addWidget(self.component_prompt)
        hbl1.addWidget(self.component_combo)
        hbl1.addStretch(1)

        # LINE 2: Unit conversion layout
        # This layout is filled by CubeVizUnit
        self.unit_layout = QHBoxLayout()  # this is hbl2

        # LINE 3: Message box
        self.message_box = QLabel("")
        hbl3 = QHBoxLayout()
        hbl3.addWidget(self.message_box)
        hbl3.addStretch(1)

        # Line 4: Buttons
        ok_text = "Convert Data" if self.convert_data else "Convert Displayed Units"
        ok_function = self.convert_data_units if self.convert_data else self.convert_displayed_units
        self.okButton = QPushButton(ok_text)
        self.okButton.clicked.connect(ok_function)
        self.okButton.setDefault(True)

        self.cancelButton = QPushButton("Cancel")
        self.cancelButton.clicked.connect(self.cancel)

        hbl4 = QHBoxLayout()
        hbl4.addStretch(1)
        hbl4.addWidget(self.cancelButton)
        hbl4.addWidget(self.okButton)

        vbl = QVBoxLayout()
        vbl.addLayout(hbl1)
        vbl.addLayout(self.unit_layout)
        vbl.addLayout(hbl3)
        vbl.addLayout(hbl4)
        self.setLayout(vbl)
        self.vbl = vbl

        self.update_unit_layout(default_index)

        self.show()

    def update_unit_layout(self, index):
        """
        Call back for component selection drop down.
        """
        component_id = self.component_combo.currentData()

        # STEP1: Clean up widgets from last component
        widgets = (self.unit_layout.itemAt(i) for i in range(self.unit_layout.count()))
        for w in widgets:
            if isinstance(w, QSpacerItem):
                self.unit_layout.removeItem(w)
                continue
            elif isinstance(w, QWidgetItem):
                w = w.widget()

            if hasattr(w, "deleteLater"):
#.........这里部分代码省略.........

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

#.........这里部分代码省略.........
        self.setup_in_progress = True
        self.mute_inline_action = create_action(
            self, _("Mute inline plotting"),
            tip=_("Mute inline plotting in the ipython console."),
            toggled=lambda state:
            self.option_changed('mute_inline_plotting', state)
            )
        self.mute_inline_action.setChecked(mute_inline_plotting)

        self.show_plot_outline_action = create_action(
            self, _("Show plot outline"),
            tip=_("Show the plot outline."),
            toggled=self.show_fig_outline_in_viewer
            )
        self.show_plot_outline_action.setChecked(show_plot_outline)

        self.actions = [self.mute_inline_action, self.show_plot_outline_action]
        self.setup_in_progress = False

    def setup_options_button(self):
        """Add the cog menu button to the toolbar."""
        if not self.options_button:
            # When the FigureBowser widget is instatiated outside of the
            # plugin (for testing purpose for instance), we need to create
            # the options_button and set its menu.
            self.options_button = create_toolbutton(
                self, text=_('Options'), icon=ima.icon('tooloptions'))

            actions = self.actions + [MENU_SEPARATOR] + self.plugin_actions
            self.options_menu = QMenu(self)
            add_actions(self.options_menu, actions)
            self.options_button.setMenu(self.options_menu)

        if self.tools_layout.itemAt(self.tools_layout.count() - 1) is None:
            self.tools_layout.insertWidget(
                self.tools_layout.count() - 1, self.options_button)
        else:
            self.tools_layout.addWidget(self.options_button)

    def create_shortcuts(self):
        """Create shortcuts for this widget."""
        # Configurable
        copyfig = config_shortcut(self.copy_figure, context='plots',
                                  name='copy', parent=self)
        prevfig = config_shortcut(self.go_previous_thumbnail, context='plots',
                                  name='previous figure', parent=self)
        nextfig = config_shortcut(self.go_next_thumbnail, context='plots',
                                  name='next figure', parent=self)

        return [copyfig, prevfig, nextfig]

    def get_shortcut_data(self):
        """
        Return shortcut data, a list of tuples (shortcut, text, default).

        shortcut (QShortcut or QAction instance)
        text (string): action/shortcut description
        default (string): default key sequence
        """
        return [sc.data for sc in self.shortcuts]

    def option_changed(self, option, value):
        """Handle when the value of an option has changed"""
        setattr(self, to_text_string(option), value)
        self.shellwidget.set_namespace_view_settings()
        if self.setup_in_progress is False:

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

#.........这里部分代码省略.........
                tip=_("Exclude references which name starts with an "
                      "uppercase character"),
                toggled=lambda state:
                self.sig_option_changed.emit('exclude_capitalized', state))
        self.exclude_capitalized_action.setChecked(exclude_capitalized)
        
        self.exclude_unsupported_action = create_action(self,
                _("Exclude unsupported data types"),
                tip=_("Exclude references to unsupported data types"
                            " (i.e. which won't be handled/saved correctly)"),
                toggled=lambda state:
                self.sig_option_changed.emit('exclude_unsupported', state))
        self.exclude_unsupported_action.setChecked(exclude_unsupported)

        self.actions = [
            self.exclude_private_action, self.exclude_uppercase_action,
            self.exclude_capitalized_action, self.exclude_unsupported_action]
        if is_module_installed('numpy'):
            self.actions.extend([MENU_SEPARATOR, self.editor.minmax_action])

        self.setup_in_progress = False

    def setup_options_button(self):
        """Add the cog menu button to the toolbar."""
        if not self.options_button:
            self.options_button = create_toolbutton(
                self, text=_('Options'), icon=ima.icon('tooloptions'))

            actions = self.actions + [MENU_SEPARATOR] + self.plugin_actions
            self.options_menu = QMenu(self)
            add_actions(self.options_menu, actions)
            self.options_button.setMenu(self.options_menu)

        if self.tools_layout.itemAt(self.tools_layout.count() - 1) is None:
            self.tools_layout.insertWidget(
                self.tools_layout.count() - 1, self.options_button)
        else:
            self.tools_layout.addWidget(self.options_button)

    def option_changed(self, option, value):
        """Option has changed"""
        setattr(self, to_text_string(option), value)
        self.shellwidget.set_namespace_view_settings()
        self.refresh_table()

    def get_view_settings(self):
        """Return dict editor view settings"""
        settings = {}
        for name in REMOTE_SETTINGS:
            settings[name] = getattr(self, name)
        return settings

    def refresh_table(self):
        """Refresh variable table"""
        if self.is_visible and self.isVisible():
            self.shellwidget.refresh_namespacebrowser()
            try:
                self.editor.resizeRowToContents()
            except TypeError:
                pass

    def process_remote_view(self, remote_view):
        """Process remote view"""
        if remote_view is not None:
            self.set_data(remote_view)