ExtensionProtobuf/ConfigurationPage/ProtobufPage.py

# -*- coding: utf-8 -*-

# Copyright (c) 2017 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the protobuf configuration page.
"""

from PyQt6.QtCore import pyqtSlot

from eric7.EricGui import EricPixmapCache
from eric7.EricWidgets.EricApplication import ericApp
from eric7.EricWidgets.EricPathPicker import EricPathPickerModes
from eric7.Preferences.ConfigurationPages.ConfigurationPageBase import (
    ConfigurationPageBase,
)

from .Ui_ProtobufPage import Ui_ProtobufPage


class ProtobufPage(ConfigurationPageBase, Ui_ProtobufPage):
    """
    Class implementing the protobuf configuration page.
    """

    def __init__(self, plugin):
        """
        Constructor

        @param plugin reference to the plugin object
        @type ProtobufExtensionPlugin
        """
        super().__init__()
        self.setupUi(self)
        self.setObjectName("ProtobufPage")

        self.__plugin = plugin

        self.protocPicker.setMode(EricPathPickerModes.OPEN_FILE_MODE)
        self.protocPicker.setToolTip(
            self.tr(
                "Press to select the Protobuf compiler via a file selection dialog."
            )
        )

        self.venvRefreshButton.setIcon(EricPixmapCache.getIcon("reload"))

        # set initial values
        self.protocPicker.setText(self.__plugin.getPreferences("protoc"))
        self.__populateAndSetVenvComboBox()

    def save(self):
        """
        Public slot to save the protobuf configuration.
        """
        self.__plugin.setPreferences("protoc", self.protocPicker.text())
        self.__plugin.setPreferences("grpcPythonEnv", self.venvComboBox.currentText())

    def __populateAndSetVenvComboBox(self):
        """
        Private method to populate and set the virtual environment combo box.
        """
        self.venvComboBox.clear()
        self.venvComboBox.addItems(
            [""] + sorted(ericApp().getObject("VirtualEnvManager").getVirtualenvNames())
        )

        # set initial value
        venvName = self.__plugin.getPreferences("grpcPythonEnv")
        self.venvComboBox.setCurrentText(venvName)

    @pyqtSlot()
    def on_venvRefreshButton_clicked(self):
        """
        Private slot to reload the list of virtual environments.
        """
        self.__populateAndSetVenvComboBox()