Python QtWidgets.QAction类代码示例

    def initGui(self):
        self.action = QAction(
            QIcon(":/db_manager/icon"), QApplication.translate("DBManagerPlugin", "DB Manager"), self.iface.mainWindow()
        )
        self.action.setObjectName("dbManager")
        self.action.triggered.connect(self.run)
        # Add toolbar button and menu item
        if hasattr(self.iface, "addDatabaseToolBarIcon"):
            self.iface.addDatabaseToolBarIcon(self.action)
        else:
            self.iface.addToolBarIcon(self.action)
        if hasattr(self.iface, "addPluginToDatabaseMenu"):
            self.iface.addPluginToDatabaseMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
        else:
            self.iface.addPluginToMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)

        self.layerAction = QAction(
            QIcon(":/db_manager/icon"),
            QApplication.translate("DBManagerPlugin", "Update Sql Layer"),
            self.iface.mainWindow(),
        )
        self.layerAction.setObjectName("dbManagerUpdateSqlLayer")
        self.layerAction.triggered.connect(self.onUpdateSqlLayer)
        self.iface.legendInterface().addLegendLayerAction(
            self.layerAction, "", "dbManagerUpdateSqlLayer", QgsMapLayer.VectorLayer, False
        )
        for l in QgsMapLayerRegistry.instance().mapLayers().values():
            self.onLayerWasAdded(l)
        QgsMapLayerRegistry.instance().layerWasAdded.connect(self.onLayerWasAdded)

def addAlgorithmEntry(alg, menuName, submenuName, actionText=None, icon=None, addButton=False):
    if actionText is None:
        if (QgsGui.higFlags() & QgsGui.HigMenuTextIsTitleCase) and not (alg.flags() & QgsProcessingAlgorithm.FlagDisplayNameIsLiteral):
            alg_title = QgsStringUtils.capitalize(alg.displayName(), QgsStringUtils.TitleCase)
        else:
            alg_title = alg.displayName()
        actionText = alg_title + QCoreApplication.translate('Processing', '…')
    action = QAction(icon or alg.icon(), actionText, iface.mainWindow())
    alg_id = alg.id()
    action.setData(alg_id)
    action.triggered.connect(lambda: _executeAlgorithm(alg_id))
    action.setObjectName("mProcessingUserMenu_%s" % alg_id)

    if menuName:
        menu = getMenu(menuName, iface.mainWindow().menuBar())
        submenu = getMenu(submenuName, menu)
        submenu.addAction(action)

    if addButton:
        global algorithmsToolbar
        if algorithmsToolbar is None:
            algorithmsToolbar = iface.addToolBar(QCoreApplication.translate('MainWindow', 'Processing Algorithms'))
            algorithmsToolbar.setObjectName("ProcessingAlgorithms")
            algorithmsToolbar.setToolTip(QCoreApplication.translate('MainWindow', 'Processing Algorithms Toolbar'))
        algorithmsToolbar.addAction(action)

    def initGui(self):
        """startup"""

        # run
        run_icon = QIcon('%s/%s' % (self.context.ppath,
                                    'images/MetaSearch.png'))
        self.action_run = QAction(run_icon, 'MetaSearch',
                                  self.iface.mainWindow())
        self.action_run.setWhatsThis(QCoreApplication.translate('MetaSearch',
                                                                'MetaSearch plugin'))
        self.action_run.setStatusTip(QCoreApplication.translate('MetaSearch',
                                                                'Search Metadata Catalogs'))

        self.action_run.triggered.connect(self.run)

        self.iface.addWebToolBarIcon(self.action_run)
        self.iface.addPluginToWebMenu(self.web_menu, self.action_run)

        # help
        help_icon = QgsApplication.getThemeIcon('/mActionHelpContents.svg')
        self.action_help = QAction(help_icon, 'Help', self.iface.mainWindow())
        self.action_help.setWhatsThis(QCoreApplication.translate('MetaSearch',
                                                                 'MetaSearch plugin help'))
        self.action_help.setStatusTip(QCoreApplication.translate('MetaSearch',
                                                                 'Get Help on MetaSearch'))
        self.action_help.triggered.connect(self.help)

        self.iface.addPluginToWebMenu(self.web_menu, self.action_help)

        # prefab the dialog but not open it yet
        self.dialog = MetaSearchDialog(self.iface)

class D3DataVis:
    heatmapDialog = None
    def __init__(self, iface):
        self.iface = iface

    def initGui(self):
        """ Initialize the menu and dialog boxes for the D3 heatmap chart """
        icon = QIcon(os.path.dirname(__file__) + "/icon.png")
        self.heatmapAction = QAction(icon, "Circular Date/Time Heatmap", self.iface.mainWindow())
        self.heatmapAction.triggered.connect(self.showHeatmapDialog)
        self.heatmapAction.setCheckable(False)
        self.iface.addWebToolBarIcon(self.heatmapAction)
        # Add a D3 Data Visualization menu item to the Web menu
        self.iface.addPluginToWebMenu("D3 Data Visualization", self.heatmapAction)

    def unload(self):
        self.iface.removePluginWebMenu("D3 Data Visualization", self.heatmapAction)
        self.iface.removeWebToolBarIcon(self.heatmapAction)
    
    def showHeatmapDialog(self):
        """Display the circular date/time heatmap dialog box"""
        if not self.heatmapDialog:
            from .heatmapDialog import HeatmapDialog
            self.heatmapDialog = HeatmapDialog(self.iface, self.iface.mainWindow())
        self.heatmapDialog.show()

    def build_menu_tree(self):
        # Main Menu
        self.menu.clear()

        self.groups_list = GroupsList()
        self.ds_list = DataSourcesList()

        data_sources = self.ds_list.data_sources.values()
        data_sources = sorted(data_sources, key=lambda x: x.alias or x.id)

        ds_hide_list = PluginSettings.get_hide_ds_id_list()

        for ds in data_sources:
            if ds.id in ds_hide_list:
                continue
            ds.action.triggered.connect(self.insert_layer)
            gr_menu = self.groups_list.get_group_menu(ds.group)
            gr_menu.addAction(ds.action)
            if gr_menu not in self.menu.children():
                self.menu.addMenu(gr_menu)

        # QMS web service
        self.menu.addSeparator()

        self.service_actions.append(self.qms_search_action)
        self.menu.addAction(self.qms_search_action)

        icon_create_service_path = self.plugin_dir + '/icons/mActionCreate.svg'
        qms_create_service_action = QAction(self.tr('Add to Search'), self.iface.mainWindow())
        qms_create_service_action.setIcon(QIcon(icon_create_service_path))
        qms_create_service_action.triggered.connect(self.openURL)
        self.menu.addAction(qms_create_service_action)

        # Scales, Settings and About actions
        self.menu.addSeparator()
        icon_set_nearest_scale_path = self.plugin_dir + '/icons/mActionSettings.svg'  # TODO change icon
        set_nearest_scale_act = QAction(QIcon(icon_set_nearest_scale_path), self.tr('Set proper scale'), self.iface.mainWindow())
        set_nearest_scale_act.triggered.connect(self.set_nearest_scale)
        self.menu.addAction(set_nearest_scale_act)  # TODO: uncomment after fix
        self.service_actions.append(set_nearest_scale_act)

        icon_scales_path = self.plugin_dir + '/icons/mActionSettings.svg'  # TODO change icon
        scales_act = QAction(QIcon(icon_scales_path), self.tr('Set SlippyMap scales'), self.iface.mainWindow())
        scales_act.triggered.connect(self.set_tms_scales)
        #self.menu.addAction(scales_act)  # TODO: uncomment after fix
        self.service_actions.append(scales_act)

        icon_settings_path = self.plugin_dir + '/icons/mActionSettings.svg'
        settings_act = QAction(QIcon(icon_settings_path), self.tr('Settings'), self.iface.mainWindow())
        self.service_actions.append(settings_act)
        settings_act.triggered.connect(self.show_settings_dialog)
        self.menu.addAction(settings_act)

        icon_about_path = self.plugin_dir + '/icons/mActionAbout.svg'
        info_act = QAction(QIcon(icon_about_path), self.tr('About'), self.iface.mainWindow())
        self.service_actions.append(info_act)
        info_act.triggered.connect(self.info_dlg.show)
        self.menu.addAction(info_act)

    def registerDatabaseActions(self, mainWindow):
        Database.registerDatabaseActions(self, mainWindow)

        # add a separator
        separator = QAction(self)
        separator.setSeparator(True)
        mainWindow.registerAction(separator, self.tr("&Table"))

        action = QAction(self.tr("Run &Vacuum Analyze"), self)
        mainWindow.registerAction(action, self.tr("&Table"), self.runVacuumAnalyzeActionSlot)

    def initGui(self):
        self.toolbox = ProcessingToolbox()
        self.iface.addDockWidget(Qt.RightDockWidgetArea, self.toolbox)
        self.toolbox.hide()

        self.resultsDock = ResultsDock()
        self.iface.addDockWidget(Qt.RightDockWidgetArea, self.resultsDock)
        self.resultsDock.hide()

        resultsList.resultAdded.connect(self.resultsDock.fillTree)

        self.menu = QMenu(self.iface.mainWindow().menuBar())
        self.menu.setObjectName('processing')
        self.menu.setTitle(self.tr('Pro&cessing'))

        self.toolboxAction = self.toolbox.toggleViewAction()
        self.toolboxAction.setObjectName('toolboxAction')
        self.toolboxAction.setIcon(
            QgsApplication.getThemeIcon("/processingAlgorithm.svg"))
        self.toolboxAction.setText(self.tr('&Toolbox'))
        self.iface.registerMainWindowAction(self.toolboxAction, 'Ctrl+Alt+T')
        self.menu.addAction(self.toolboxAction)

        self.modelerAction = QAction(
            QgsApplication.getThemeIcon("/processingModel.svg"),
            self.tr('Graphical &Modeler...'), self.iface.mainWindow())
        self.modelerAction.setObjectName('modelerAction')
        self.modelerAction.triggered.connect(self.openModeler)
        self.iface.registerMainWindowAction(self.modelerAction, 'Ctrl+Alt+M')
        self.menu.addAction(self.modelerAction)

        self.historyAction = QAction(
            QIcon(os.path.join(cmd_folder, 'images', 'history.svg')),
            self.tr('&History...'), self.iface.mainWindow())
        self.historyAction.setObjectName('historyAction')
        self.historyAction.triggered.connect(self.openHistory)
        self.iface.registerMainWindowAction(self.historyAction, 'Ctrl+Alt+H')
        self.menu.addAction(self.historyAction)

        self.resultsAction = self.resultsDock.toggleViewAction()
        self.resultsAction.setObjectName('resultsAction')
        self.resultsAction.setIcon(
            QgsApplication.getThemeIcon("/processingResult.svg"))
        self.resultsAction.setText(self.tr('&Results Viewer'))
        self.iface.registerMainWindowAction(self.resultsAction, 'Ctrl+Alt+R')
        self.menu.addAction(self.resultsAction)

        menuBar = self.iface.mainWindow().menuBar()
        menuBar.insertMenu(
            self.iface.firstRightStandardMenu().menuAction(), self.menu)

        self.menu.addSeparator()

        initializeMenus()
        createMenus()

class QMatplotlibWidget(QWidget):
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)

        self.canvas = QMatplotlibCanvas()
        self.ax = self.canvas.ax
        self.figure = self.canvas.figure
        self.toolBar = NavigationToolbar2QT(self.canvas, self)

        bgColor = self.palette().color(QPalette.Background).name()
        self.figure.set_facecolor(bgColor)

        self.layout = QVBoxLayout()
        self.layout.setSpacing(2)
        self.layout.setMargin(0)

        self.layout.addWidget(self.toolBar)
        self.layout.addWidget(self.canvas)
        self.setLayout(self.layout)

        self._setupToolbar()

    def _setupToolbar(self):
        self.actionToggleGrid = QAction(self.tr('Toggle grid'), self.toolBar)
        self.actionToggleGrid.setIcon(
            QIcon(os.path.join(pluginPath, 'icons', 'toggleGrid.svg')))
        self.actionToggleGrid.setCheckable(True)

        self.actionToggleGrid.triggered.connect(self.toggleGrid)

        self.toolBar.insertAction(self.toolBar.actions()[7], self.actionToggleGrid)
        self.toolBar.insertSeparator(self.toolBar.actions()[8])

    def toggleGrid(self):
        self.ax.grid()
        self.canvas.draw()

    def alignLabels(self):
        self.figure.autofmt_xdate()

    def clear(self):
        self.ax.clear()
        self.canvas.draw()

    def setTitle(self, text):
        self.ax.set_title(text)

    def setXAxisCaption(self, text):
        self.ax.set_xlabel(text)

    def setYAxisCaption(self, text):
        self.ax.set_ylabel(text)

 def menu(self):
     menu = QMenu()
     refreshAction = QAction(icon("refresh.svg"), "Refresh", menu)
     refreshAction.triggered.connect(self.refreshContent)
     menu.addAction(refreshAction)
     createBranchAction = QAction(icon("create_branch.png"), "Create branch", menu)
     createBranchAction.triggered.connect(self.createBranch)
     menu.addAction(createBranchAction)
     deleteAction = QAction(QgsApplication.getThemeIcon('/mActionDeleteSelected.svg'), "Delete", menu)
     deleteAction.triggered.connect(self.delete)
     menu.addAction(deleteAction)
     deleteAction.setEnabled(self.parent().childCount() > 1 and self.branch != "master")
     return menu

def setAsNonRepoLayer(layer):
    removeLayerActions(layer)
    action = QAction("Import to GeoGig...", config.iface.legendInterface())
    action.triggered.connect(partial(addLayer, layer))
    if layer.type() == QgsMapLayer.RasterLayer or layer.storageType() != 'GPKG':
        action.setEnabled(False)
    config.iface.legendInterface().addLegendLayerAction(action, u"GeoGig", u"id2", QgsMapLayer.VectorLayer, False)
    config.iface.legendInterface().addLegendLayerActionForLayer(action, layer)
    _actions[layer.id()] = [action]
    try:
        repoWatcher.layerUpdated.disconnect(updateInfoActions)
    except:
        pass #In case it is a layer that was never a repo layer

    def selectOutput(self):
        if isinstance(self.parameter, QgsProcessingParameterFolderDestination):
            self.selectDirectory()
        else:
            popupMenu = QMenu()

            if not self.default_selection:
                if self.parameter.flags() & QgsProcessingParameterDefinition.FlagOptional:
                    actionSkipOutput = QAction(
                        self.tr('Skip Output'), self.btnSelect)
                    actionSkipOutput.triggered.connect(self.skipOutput)
                    popupMenu.addAction(actionSkipOutput)

                if isinstance(self.parameter, QgsProcessingParameterFeatureSink) \
                        and self.parameter.supportsNonFileBasedOutput():
                    # use memory layers for temporary layers if supported
                    actionSaveToTemp = QAction(
                        self.tr('Create Temporary Layer'), self.btnSelect)
                else:
                    actionSaveToTemp = QAction(
                        self.tr('Save to a Temporary File'), self.btnSelect)
                actionSaveToTemp.triggered.connect(self.saveToTemporary)
                popupMenu.addAction(actionSaveToTemp)

            actionSaveToFile = QAction(
                QCoreApplication.translate('DestinationSelectionPanel', 'Save to File…'), self.btnSelect)
            actionSaveToFile.triggered.connect(self.selectFile)
            popupMenu.addAction(actionSaveToFile)

            if isinstance(self.parameter, QgsProcessingParameterFeatureSink) \
                    and self.parameter.supportsNonFileBasedOutput():
                actionSaveToGpkg = QAction(
                    QCoreApplication.translate('DestinationSelectionPanel', 'Save to GeoPackage…'), self.btnSelect)
                actionSaveToGpkg.triggered.connect(self.saveToGeopackage)
                popupMenu.addAction(actionSaveToGpkg)
                actionSaveToPostGIS = QAction(
                    QCoreApplication.translate('DestinationSelectionPanel', 'Save to PostGIS Table…'), self.btnSelect)
                actionSaveToPostGIS.triggered.connect(self.saveToPostGIS)
                settings = QgsSettings()
                settings.beginGroup('/PostgreSQL/connections/')
                names = settings.childGroups()
                settings.endGroup()
                actionSaveToPostGIS.setEnabled(bool(names))
                popupMenu.addAction(actionSaveToPostGIS)

            actionSetEncoding = QAction(
                QCoreApplication.translate('DestinationSelectionPanel', 'Change File Encoding ({})…').format(self.encoding), self.btnSelect)
            actionSetEncoding.triggered.connect(self.selectEncoding)
            popupMenu.addAction(actionSetEncoding)

            popupMenu.exec_(QCursor.pos())

    def selectOutput(self):
        if isinstance(self.parameter, QgsProcessingParameterFolderDestination):
            self.selectDirectory()
        else:
            popupMenu = QMenu()

            if self.parameter.flags() & QgsProcessingParameterDefinition.FlagOptional:
                actionSkipOutput = QAction(
                    self.tr('Skip output'), self.btnSelect)
                actionSkipOutput.triggered.connect(self.skipOutput)
                popupMenu.addAction(actionSkipOutput)

            if isinstance(self.parameter, QgsProcessingParameterFeatureSink) \
                    and self.alg.provider().supportsNonFileBasedOutput():
                # use memory layers for temporary layers if supported
                actionSaveToTemp = QAction(
                    self.tr('Create temporary layer'), self.btnSelect)
            else:
                actionSaveToTemp = QAction(
                    self.tr('Save to a temporary file'), self.btnSelect)
            actionSaveToTemp.triggered.connect(self.saveToTemporary)
            popupMenu.addAction(actionSaveToTemp)

            actionSaveToFile = QAction(
                self.tr('Save to file...'), self.btnSelect)
            actionSaveToFile.triggered.connect(self.selectFile)
            popupMenu.addAction(actionSaveToFile)

            actionShowExpressionsBuilder = QAction(
                self.tr('Use expression...'), self.btnSelect)
            actionShowExpressionsBuilder.triggered.connect(self.showExpressionsBuilder)
            popupMenu.addAction(actionShowExpressionsBuilder)

            if isinstance(self.parameter, QgsProcessingParameterFeatureSink) \
                    and self.alg.provider().supportsNonFileBasedOutput():
                actionSaveToSpatialite = QAction(
                    self.tr('Save to SpatiaLite table...'), self.btnSelect)
                actionSaveToSpatialite.triggered.connect(self.saveToSpatialite)
                popupMenu.addAction(actionSaveToSpatialite)
                actionSaveToPostGIS = QAction(
                    self.tr('Save to PostGIS table...'), self.btnSelect)
                actionSaveToPostGIS.triggered.connect(self.saveToPostGIS)
                settings = QgsSettings()
                settings.beginGroup('/PostgreSQL/connections/')
                names = settings.childGroups()
                settings.endGroup()
                actionSaveToPostGIS.setEnabled(bool(names))
                popupMenu.addAction(actionSaveToPostGIS)

            popupMenu.exec_(QCursor.pos())

class DBManagerPlugin:

    def __init__(self, iface):
        self.iface = iface
        self.dlg = None

    def initGui(self):
        self.action = QAction(QIcon(":/db_manager/icon"), QApplication.translate("DBManagerPlugin", "DB Manager"),
                              self.iface.mainWindow())
        self.action.setObjectName("dbManager")
        self.action.triggered.connect(self.run)
        # Add toolbar button and menu item
        if hasattr(self.iface, 'addDatabaseToolBarIcon'):
            self.iface.addDatabaseToolBarIcon(self.action)
        else:
            self.iface.addToolBarIcon(self.action)
        if hasattr(self.iface, 'addPluginToDatabaseMenu'):
            self.iface.addPluginToDatabaseMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
        else:
            self.iface.addPluginToMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)

    def unload(self):
        # Remove the plugin menu item and icon
        if hasattr(self.iface, 'removePluginDatabaseMenu'):
            self.iface.removePluginDatabaseMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
        else:
            self.iface.removePluginMenu(QApplication.translate("DBManagerPlugin", "DB Manager"), self.action)
        if hasattr(self.iface, 'removeDatabaseToolBarIcon'):
            self.iface.removeDatabaseToolBarIcon(self.action)
        else:
            self.iface.removeToolBarIcon(self.action)

        if self.dlg is not None:
            self.dlg.close()

    def run(self):
        # keep opened only one instance
        if self.dlg is None:
            from .db_manager import DBManager

            self.dlg = DBManager(self.iface)
            self.dlg.destroyed.connect(self.onDestroyed)
        self.dlg.show()
        self.dlg.raise_()
        self.dlg.setWindowState(self.dlg.windowState() & ~Qt.WindowMinimized)
        self.dlg.activateWindow()

    def onDestroyed(self, obj):
        self.dlg = None

    def __init__(self, parent=None):
        QTableView.__init__(self, parent)
        self.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.setSelectionMode(QAbstractItemView.ExtendedSelection)

        self.item = None
        self.dirty = False

        # allow copying results
        copyAction = QAction(QApplication.translate("DBManagerPlugin", "Copy"), self)
        self.addAction(copyAction)
        copyAction.setShortcuts(QKeySequence.Copy)
        copyAction.triggered.connect(self.copySelectedResults)

        self._clear()

def addAlgorithmEntry(alg, menuName, submenuName, actionText=None, icon=None, addButton=False):
    action = QAction(icon or alg.icon(), actionText or alg.displayName(), iface.mainWindow())
    action.triggered.connect(lambda: _executeAlgorithm(alg))
    action.setObjectName("mProcessingUserMenu_%s" % alg.id())

    if menuName:
        menu = getMenu(menuName, iface.mainWindow().menuBar())
        submenu = getMenu(submenuName, menu)
        submenu.addAction(action)

    if addButton:
        global algorithmsToolbar
        if algorithmsToolbar is None:
            algorithmsToolbar = iface.addToolBar('ProcessingAlgorithms')
        algorithmsToolbar.addAction(action)