src/eric7/Plugins/PluginVcsSubversion.py

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

# Copyright (c) 2007 - 2023 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Subversion version control plugin.
"""

import contextlib
import os

from PyQt6.QtCore import QCoreApplication, QObject

from eric7 import Preferences
from eric7.EricWidgets.EricApplication import ericApp
from eric7.Plugins.VcsPlugins.vcsSubversion.SvnUtilities import (
    getConfigPath,
    getServersPath,
)
from eric7.Preferences.Shortcuts import readShortcuts
from eric7.SystemUtilities import FileSystemUtilities, OSUtilities
from eric7.UI import Info

# Start-Of-Header
__header__ = {
    "name": "Subversion Plugin",
    "author": "Detlev Offenbach <detlev@die-offenbachs.de>",
    "autoactivate": False,
    "deactivateable": True,
    "version": Info.VersionOnly,
    "pluginType": "version_control",
    "pluginTypename": "Subversion",
    "className": "VcsSubversionPlugin",
    "packageName": "__core__",
    "shortDescription": "Implements the Subversion version control interface.",
    "longDescription": (
        """This plugin provides the Subversion version control interface."""
    ),
    "pyqtApi": 2,
}
# End-Of-Header

error = ""  # noqa: U200


def exeDisplayData():
    """
    Public method to support the display of some executable info.

    @return dictionary containing the data to query the presence of
        the executable
    """
    exe = "svn"
    if OSUtilities.isWindowsPlatform():
        exe += ".exe"

    data = {
        "programEntry": True,
        "header": QCoreApplication.translate(
            "VcsSubversionPlugin", "Version Control - Subversion (svn)"
        ),
        "exe": exe,
        "versionCommand": "--version",
        "versionStartsWith": "svn",
        "versionPosition": 2,
        "version": "",
        "versionCleanup": None,
    }

    return data


def getVcsSystemIndicator():
    """
    Public function to get the indicators for this version control system.

    @return dictionary with indicator as key and a tuple with the vcs name
        (string) and vcs display string (string)
    """
    ##global pluginTypename
    data = {}
    exe = "svn"
    if OSUtilities.isWindowsPlatform():
        exe += ".exe"
    if FileSystemUtilities.isinpath(exe):
        data[".svn"] = (__header__["pluginTypename"], displayString())
        data["_svn"] = (__header__["pluginTypename"], displayString())
    return data


def displayString():
    """
    Public function to get the display string.

    @return display string (string)
    """
    exe = "svn"
    if OSUtilities.isWindowsPlatform():
        exe += ".exe"
    if FileSystemUtilities.isinpath(exe):
        return QCoreApplication.translate("VcsSubversionPlugin", "Subversion (svn)")
    else:
        return ""


subversionCfgPluginObject = None


def createConfigurationPage(configDlg):  # noqa: U100
    """
    Module function to create the configuration page.

    @param configDlg reference to the configuration dialog (QDialog)
    @return reference to the configuration page
    """
    from eric7.Plugins.VcsPlugins.vcsSubversion.ConfigurationPage import SubversionPage

    global subversionCfgPluginObject

    if subversionCfgPluginObject is None:
        subversionCfgPluginObject = VcsSubversionPlugin(None)
    page = SubversionPage.SubversionPage(subversionCfgPluginObject)
    return page


def getConfigData():
    """
    Module function returning data as required by the configuration dialog.

    @return dictionary with key "zzz_subversionPage" containing the relevant
    data
    """
    return {
        "zzz_subversionPage": [
            QCoreApplication.translate("VcsSubversionPlugin", "Subversion"),
            os.path.join(
                "VcsPlugins", "vcsSubversion", "icons", "preferences-subversion.svg"
            ),
            createConfigurationPage,
            "vcsPage",
            None,
        ],
    }


def prepareUninstall():
    """
    Module function to prepare for an uninstallation.
    """
    if not ericApp().getObject("PluginManager").isPluginLoaded("PluginVcsSubversion"):
        Preferences.getSettings().remove("Subversion")


class VcsSubversionPlugin(QObject):
    """
    Class implementing the Subversion version control plugin.
    """

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

        @param ui reference to the user interface object (UI.UserInterface)
        """
        from eric7.Plugins.VcsPlugins.vcsSubversion.ProjectHelper import (
            SvnProjectHelper,
        )

        super().__init__(ui)
        self.__ui = ui

        self.__subversionDefaults = {
            "StopLogOnCopy": True,
            "LogLimit": 20,
        }

        self.__projectHelperObject = SvnProjectHelper(None, None)
        with contextlib.suppress(KeyError):
            ericApp().registerPluginObject(
                __header__["pluginTypename"],
                self.__projectHelperObject,
                __header__["pluginType"],
            )
        readShortcuts(pluginName=__header__["pluginTypename"])

    def getProjectHelper(self):
        """
        Public method to get a reference to the project helper object.

        @return reference to the project helper object
        """
        return self.__projectHelperObject

    def initToolbar(self, ui, toolbarManager):
        """
        Public slot to initialize the VCS toolbar.

        @param ui reference to the main window (UserInterface)
        @param toolbarManager reference to a toolbar manager object
            (EricToolBarManager)
        """
        if self.__projectHelperObject:
            self.__projectHelperObject.initToolbar(ui, toolbarManager)

    def activate(self):
        """
        Public method to activate this plugin.

        @return tuple of reference to instantiated viewmanager and
            activation status (boolean)
        """
        from eric7.Plugins.VcsPlugins.vcsSubversion.subversion import Subversion

        self.__object = Subversion(self, self.__ui)

        tb = self.__ui.getToolbar("vcs")[1]
        tb.setVisible(False)
        tb.setEnabled(False)

        tb = self.__ui.getToolbar("subversion")[1]
        tb.setVisible(Preferences.getVCS("ShowVcsToolbar"))
        tb.setEnabled(True)

        return self.__object, True

    def deactivate(self):
        """
        Public method to deactivate this plugin.
        """
        self.__object = None

        tb = self.__ui.getToolbar("subversion")[1]
        tb.setVisible(False)
        tb.setEnabled(False)

        tb = self.__ui.getToolbar("vcs")[1]
        tb.setVisible(Preferences.getVCS("ShowVcsToolbar"))
        tb.setEnabled(True)

    def getPreferences(self, key):
        """
        Public method to retrieve the various settings.

        @param key the key of the value to get
        @return the requested setting
        """
        if key in ["StopLogOnCopy"]:
            return Preferences.toBool(
                Preferences.getSettings().value(
                    "Subversion/" + key, self.__subversionDefaults[key]
                )
            )
        elif key in ["LogLimit"]:
            return int(
                Preferences.getSettings().value(
                    "Subversion/" + key, self.__subversionDefaults[key]
                )
            )
        elif key in ["Commits"]:
            return Preferences.toList(
                Preferences.getSettings().value("Subversion/" + key)
            )
        else:
            return Preferences.getSettings().value("Subversion/" + key)

    def setPreferences(self, key, value):
        """
        Public method to store the various settings.

        @param key the key of the setting to be set
        @param value the value to be set
        """
        Preferences.getSettings().setValue("Subversion/" + key, value)

    def getServersPath(self):
        """
        Public method to get the filename of the servers file.

        @return filename of the servers file (string)
        """
        return getServersPath()

    def getConfigPath(self):
        """
        Public method to get the filename of the config file.

        @return filename of the config file (string)
        """
        return getConfigPath()

    def prepareUninstall(self):
        """
        Public method to prepare for an uninstallation.
        """
        ericApp().unregisterPluginObject(__header__["pluginTypename"])

    def prepareUnload(self):
        """
        Public method to prepare for an unload.
        """
        if self.__projectHelperObject:
            self.__projectHelperObject.removeToolbar(
                self.__ui, ericApp().getObject("ToolbarManager")
            )
        ericApp().unregisterPluginObject(__header__["pluginTypename"])