Python iface.mainWindow函数代码示例

def createAlgorithmDialog(algOrName, parameters={}):
    """
    Creates and returns an algorithm dialog for the specified algorithm, prepopulated
    with a given set of parameters. It is the caller's responsibility to execute
    and delete this dialog.

    :param algOrName: Either an instance of an algorithm, or an algorithm's ID
    :param parameters: Initial algorithm parameters dictionary

    :returns algorithm results as a dictionary, or None if execution failed
    :rtype: Union[dict, None]
    """
    if isinstance(algOrName, QgsProcessingAlgorithm):
        alg = algOrName.create()
    else:
        alg = QgsApplication.processingRegistry().createAlgorithmById(algOrName)

    if alg is None:
        return False

    dlg = alg.createCustomParametersWidget(iface.mainWindow())

    if not dlg:
        dlg = AlgorithmDialog(alg, parent=iface.mainWindow())

    dlg.setParameters(parameters)

    return dlg

def rearrangeToolbars(profile):
    settings = QSettings()
    key = "profilesplugin/Profiles/%s/geometry" % profile
    if settings.contains(key):
        iface.mainWindow().restoreGeometry(settings.value(key))
    else:
        toolbars = [el for el in iface.mainWindow().children() if isinstance(el, QToolBar) and el.isVisible()]
        toolbars = sorted(toolbars, key=lambda t: (t.geometry().top(), t.geometry().left()))
        for toolbar in toolbars:
            iface.mainWindow().removeToolBarBreak(toolbar)
        for toolbar in toolbars:
            iface.mainWindow().insertToolBarBreak(toolbar)
        rowWidth = 0
        lastY = None
        for toolbar in toolbars:
            if lastY is None:
                lastY = toolbar.geometry().top()
            actions = [a for a in toolbar.actions() if a.isVisible()]
            toolbarWidth = toolbar.actionGeometry(actions[-1]).right()
            rowWidth += toolbarWidth
            #print toolbar.objectName(), toolbarWidth, rowWidth
            if rowWidth < iface.mainWindow().width():
                iface.mainWindow().removeToolBarBreak(toolbar)
            else:
                lastY += toolbar.geometry().height()
                rowWidth = toolbarWidth
            toolbar.move(QPoint(rowWidth - toolbarWidth, lastY))

 def canvasMoveEvent(self, e):                
     pt = self.toMapCoordinates(e.pos())
     mgrsCoord = self.toMgrs(pt)
     if mgrsCoord:
         iface.mainWindow().statusBar().showMessage("MGRS Coordinate: " + mgrsCoord)
     else:
         iface.mainWindow().statusBar().showMessage("")

    def triggerResult(self, result):
        alg = QgsApplication.processingRegistry().createAlgorithmById(result.userData)
        if alg:
            ok, message = alg.canExecute()
            if not ok:
                dlg = MessageDialog()
                dlg.setTitle(self.tr('Missing dependency'))
                dlg.setMessage(message)
                dlg.exec_()
                return

            if [d for d in alg.parameterDefinitions() if
                    d.name() not in ('INPUT', 'OUTPUT')]:
                dlg = alg.createCustomParametersWidget(parent=iface.mainWindow())
                if not dlg:
                    dlg = AlgorithmDialog(alg, True, parent=iface.mainWindow())
                canvas = iface.mapCanvas()
                prevMapTool = canvas.mapTool()
                dlg.show()
                dlg.exec_()
                if canvas.mapTool() != prevMapTool:
                    try:
                        canvas.mapTool().reset()
                    except:
                        pass
                    canvas.setMapTool(prevMapTool)
            else:
                feedback = MessageBarProgress(algname=alg.displayName())
                parameters = {}
                execute_in_place(alg, parameters, feedback=feedback)

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 _open(self):
        if self.plugin["status"] == "upgradeable":
            reply = QMessageBox.question(
                iface.mainWindow(),
                "Plugin",
                "An older version of the plugin is already installed. Do you want to upgrade it?",
                QMessageBox.Yes | QMessageBox.No)
            if reply != QMessageBox.Yes:
                return
        elif self.plugin["status"] in ["not installed", "new"]:
            pass
        else:
            reply = QMessageBox.question(
                iface.mainWindow(),
                "Plugin",
                "The plugin is already installed. Do you want to reinstall it?",
                QMessageBox.Yes | QMessageBox.No)
            if reply != QMessageBox.Yes:
                return

        def _install():
            installer = pyplugin_installer.instance()
            installer.installPlugin(self.plugin["id"])
            self.plugin["status"] = "installed"

        execute(_install)

    def fetchAvailablePlugins(self, reloadMode):
        """ Fetch plugins from all enabled repositories."""
        """  reloadMode = true:  Fully refresh data from QSettings to mRepositories  """
        """  reloadMode = false: Fetch unready repositories only """
        QApplication.setOverrideCursor(Qt.WaitCursor)

        if reloadMode:
            repositories.load()
            plugins.clearRepoCache()
            plugins.getAllInstalled()

        for key in repositories.allEnabled():
            if reloadMode or repositories.all()[key]["state"] == 3:  # if state = 3 (error or not fetched yet), try to fetch once again
                repositories.requestFetching(key)

        if repositories.fetchingInProgress():
            fetchDlg = QgsPluginInstallerFetchingDialog(iface.mainWindow())
            fetchDlg.exec_()
            del fetchDlg
            for key in repositories.all():
                repositories.killConnection(key)

        QApplication.restoreOverrideCursor()

        # display error messages for every unavailable reposioty, unless Shift pressed nor all repositories are unavailable
        keepQuiet = QgsApplication.keyboardModifiers() == Qt.KeyboardModifiers(Qt.ShiftModifier)
        if repositories.allUnavailable() and repositories.allUnavailable() != repositories.allEnabled():
            for key in repositories.allUnavailable():
                if not keepQuiet:
                    QMessageBox.warning(iface.mainWindow(), self.tr("QGIS Python Plugin Installer"), self.tr("Error reading repository:") + " " + key + "\n\n" + repositories.all()[key]["error"])
                if QgsApplication.keyboardModifiers() == Qt.KeyboardModifiers(Qt.ShiftModifier):
                    keepQuiet = True
        # finally, rebuild plugins from the caches
        plugins.rebuild()

 def addRepository(self):
     """ add new repository connection """
     dlg = QgsPluginInstallerRepositoryDialog(iface.mainWindow())
     dlg.checkBoxEnabled.setCheckState(Qt.Checked)
     if not dlg.exec_():
         return
     for i in repositories.all().values():
         if dlg.editURL.text().strip() == i["url"]:
             QMessageBox.warning(
                 iface.mainWindow(),
                 self.tr("QGIS Python Plugin Installer"),
                 self.tr("Unable to add another repository with the same URL!"),
             )
             return
     settings = QSettings()
     settings.beginGroup(reposGroup)
     reposName = dlg.editName.text()
     reposURL = dlg.editURL.text().strip()
     if repositories.all().has_key(reposName):
         reposName = reposName + "(2)"
     # add to settings
     settings.setValue(reposName + "/url", reposURL)
     settings.setValue(reposName + "/enabled", bool(dlg.checkBoxEnabled.checkState()))
     # refresh lists and populate widgets
     plugins.removeRepository(reposName)
     self.reloadAndExportData()

 def checkingDone(self):
     """ Remove the "Looking for new plugins..." label and display a notification instead if any updates or news available """
     if not self.statusLabel:
         # only proceed if the label is present
         return
     # rebuild plugins cache
     plugins.rebuild()
     # look for news in the repositories
     plugins.markNews()
     status = ""
     # first check for news
     for key in plugins.all():
         if plugins.all()[key]["status"] == "new":
             status = self.tr("There is a new plugin available")
             tabIndex = 4  # PLUGMAN_TAB_NEW
     # then check for updates (and eventually overwrite status)
     for key in plugins.all():
         if plugins.all()[key]["status"] == "upgradeable":
             status = self.tr("There is a plugin update available")
             tabIndex = 3  # PLUGMAN_TAB_UPGRADEABLE
     # finally set the notify label
     if status:
         self.statusLabel.setText(u' <a href="%d">%s</a>  ' % (tabIndex, status))
     else:
         iface.mainWindow().statusBar().removeWidget(self.statusLabel)
         self.statusLabel = None

def applyButtons(profile):
    if profile.buttons is None:
        return

    for toolbar in customToolbarsWidgets[::-1]:
        toolbar.setVisible(False)
        iface.mainWindow().removeToolBar(toolbar)
        del toolbar

    del customToolbarsWidgets[:]

    currentToolbars = [el for el in iface.mainWindow().children()
                if isinstance(el, QToolBar)]

    customToolbars = defaultdict(list)
    toolbars = profile.buttons
    for toolbar in currentToolbars:
        if toolbar.objectName() in toolbars:
            hasVisibleActions = False
            actions = toolbar.actions()
            for i, action in enumerate(actions):
                objectName = action.objectName() or str(i)
                if objectName in toolbars[toolbar.objectName()]:
                    location = toolbars[toolbar.objectName()][objectName]
                    if location is not None:
                        newAction = QAction(action.icon(), action.text(), iface.mainWindow())
                        newAction.triggered.connect(action.trigger)
                        objectName = "%s_%i" % (location, len(customToolbars[location]))
                        newAction.setObjectName(objectName)
                        customToolbars[location].append(newAction)
                        action.setVisible(False)
                    else:
                        hasVisibleActions = True
                        action.setVisible(True)
                else:
                    if toolbars[toolbar.objectName()]:
                        action.setVisible(False)
                    else: #If toolbar definition is empty, means all buttons should be added
                        hasVisibleActions = True
                        action.setVisible(True)
                if isinstance(action, QWidgetAction) and not isinstance(action.defaultWidget(), QToolButton) and action.defaultWidget() is not None:
                    action.defaultWidget().setMinimumWidth(300)
                    #action.defaultWidget().setMaximumWidth(400)

            toolbar.setVisible(hasVisibleActions)

        else:
            toolbar.setVisible(False)

    for name, actions in customToolbars.iteritems():
        toolbar = iface.mainWindow().addToolBar(name)
        toolbar.setObjectName("toolbar_%s" % name)
        customToolbarsWidgets.append(toolbar)
        for action in actions:
            toolbar.addAction(action)

 def uninstallPlugin(self, key, quiet=False):
     """ Uninstall given plugin """
     if plugins.all().has_key(key):
         plugin = plugins.all()[key]
     else:
         plugin = plugins.localCache[key]
     if not plugin:
         return
     if not quiet:
         warning = self.tr("Are you sure you want to uninstall the following plugin?") + "\n(" + plugin["name"] + ")"
         if plugin["status"] == "orphan" and not plugin["error"]:
             warning += "\n\n" + self.tr("Warning: this plugin isn't available in any accessible repository!")
         if (
             QMessageBox.warning(
                 iface.mainWindow(),
                 self.tr("QGIS Python Plugin Installer"),
                 warning,
                 QMessageBox.Yes,
                 QMessageBox.No,
             )
             == QMessageBox.No
         ):
             return
     # unload the plugin
     try:
         unloadPlugin(key)
     except:
         pass
     pluginDir = QFileInfo(QgsApplication.qgisUserDbFilePath()).path() + "/python/plugins/" + plugin["id"]
     result = removeDir(pluginDir)
     if result:
         QMessageBox.warning(iface.mainWindow(), self.tr("Plugin uninstall failed"), result)
     else:
         # safe remove
         try:
             unloadPlugin(plugin["id"])
         except:
             pass
         try:
             exec("plugins[%s].unload()" % plugin["id"])
             exec("del plugins[%s]" % plugin["id"])
         except:
             pass
         try:
             exec("del sys.modules[%s]" % plugin["id"])
         except:
             pass
         plugins.getAllInstalled()
         plugins.rebuild()
         self.exportPluginsToManager()
         QMessageBox.information(
             iface.mainWindow(),
             self.tr("Plugin uninstalled successfully"),
             self.tr("Plugin uninstalled successfully"),
         )

    def __init__(self, parent=None):
        QDockWidget.__init__(self, parent)
        self.setObjectName("PythonConsole")
        self.setWindowTitle(QCoreApplication.translate("PythonConsole", "Python Console"))
        #self.setAllowedAreas(Qt.BottomDockWidgetArea) 

        self.console = PythonConsoleWidget(self)
        self.setWidget( self.console )

        # try to restore position from stored main window state
        if iface and not iface.mainWindow().restoreDockWidget(self):
            iface.mainWindow().addDockWidget(Qt.BottomDockWidgetArea, self)

 def __init__(self, parent=None):
   QDockWidget.__init__(self, parent)
   self.setObjectName("Python Console")
   self.setAllowedAreas(Qt.BottomDockWidgetArea)
   self.widget = QWidget()
   self.l = QVBoxLayout(self.widget)
   self.edit = PythonEdit()
   self.l.addWidget(self.edit)
   self.setWidget(self.widget)
   self.setWindowTitle(QCoreApplication.translate("PythonConsole", "Python Console"))
   # try to restore position from stored main window state
   if not iface.mainWindow().restoreDockWidget(self):
     iface.mainWindow().addDockWidget(Qt.BottomDockWidgetArea, self)

def addAlgorithmEntry(alg, menuName, submenuName, actionText=None, icon=None, addButton=False):
    action = QAction(icon or alg.getIcon(), actionText or alg.name, iface.mainWindow())
    action.triggered.connect(lambda: _executeAlgorithm(alg))

    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)

    def __init__(self):
        """ Initialize data objects, starts fetching if appropriate, and warn about/removes obsolete plugins """

        QObject.__init__(self)  # initialize QObject in order to to use self.tr()
        repositories.load()
        plugins.getAllInstalled()

        if repositories.checkingOnStart() and repositories.timeForChecking() and repositories.allEnabled():
            # start fetching repositories
            self.statusLabel = QLabel(self.tr("Looking for new plugins...") + " ", iface.mainWindow().statusBar())
            iface.mainWindow().statusBar().insertPermanentWidget(0, self.statusLabel)
            self.statusLabel.linkActivated.connect(self.showPluginManagerWhenReady)
            repositories.checkingDone.connect(self.checkingDone)
            for key in repositories.allEnabled():
                repositories.requestFetching(key)
        else:
            # no fetching at start, so mark all enabled repositories as requesting to be fetched.
            for key in repositories.allEnabled():
                repositories.setRepositoryData(key, "state", 3)

        # look for obsolete plugins (the user-installed one is newer than core one)
        for key in plugins.obsoletePlugins:
            plugin = plugins.localCache[key]
            msg = QMessageBox()
            msg.setIcon(QMessageBox.Warning)
            msg.setWindowTitle(self.tr("QGIS Python Plugin Installer"))
            msg.addButton(self.tr("Uninstall (recommended)"), QMessageBox.AcceptRole)
            msg.addButton(self.tr("I will uninstall it later"), QMessageBox.RejectRole)
            msg.setText(
                "%s <b>%s</b><br/><br/>%s"
                % (
                    self.tr("Obsolete plugin:"),
                    plugin["name"],
                    self.tr(
                        "QGIS has detected an obsolete plugin that masks its more recent version shipped with this copy of QGIS. This is likely due to files associated with a previous installation of QGIS. Do you want to remove the old plugin right now and unmask the more recent version?"
                    ),
                )
            )
            msg.exec_()
            if not msg.result():
                # uninstall, update utils and reload if enabled
                self.uninstallPlugin(key, quiet=True)
                updateAvailablePlugins()
                settings = QSettings()
                if settings.value("/PythonPlugins/" + key, False, type=bool):
                    settings.setValue("/PythonPlugins/watchDog/" + key, True)
                    loadPlugin(key)
                    startPlugin(key)
                    settings.remove("/PythonPlugins/watchDog/" + key)