src/eric7/Plugins/VcsPlugins/vcsMercurial/HgNewProjectOptionsDialog.py

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

# Copyright (c) 2010 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Mercurial Options Dialog for a new project from the
repository.
"""

from PyQt6.QtCore import pyqtSlot, QUrl
from PyQt6.QtWidgets import QDialog, QDialogButtonBox, QComboBox

from eric7.EricWidgets.EricPathPicker import EricPathPickerModes

from .Ui_HgNewProjectOptionsDialog import Ui_HgNewProjectOptionsDialog
from .Config import ConfigHgSchemes

from eric7 import Preferences, Utilities
from eric7.EricGui import EricPixmapCache


class HgNewProjectOptionsDialog(QDialog, Ui_HgNewProjectOptionsDialog):
    """
    Class implementing the Options Dialog for a new project from the
    repository.
    """

    def __init__(self, vcs, parent=None):
        """
        Constructor

        @param vcs reference to the version control object
        @param parent parent widget (QWidget)
        """
        super().__init__(parent)
        self.setupUi(self)

        self.vcsProjectDirPicker.setMode(EricPathPickerModes.DIRECTORY_MODE)

        self.__vcs = vcs

        vcsUrlHistory = self.__vcs.getPlugin().getPreferences("RepositoryUrlHistory")
        self.vcsUrlPicker.setMode(EricPathPickerModes.DIRECTORY_MODE)
        self.vcsUrlPicker.setInsertPolicy(QComboBox.InsertPolicy.InsertAtTop)
        self.vcsUrlPicker.setSizeAdjustPolicy(
            QComboBox.SizeAdjustPolicy.AdjustToMinimumContentsLengthWithIcon
        )
        self.vcsUrlPicker.setPathsList(vcsUrlHistory)
        self.vcsUrlClearHistoryButton.setIcon(EricPixmapCache.getIcon("editDelete"))
        self.vcsUrlPicker.setText("")

        ipath = Preferences.getMultiProject("Workspace") or Utilities.getHomeDir()
        self.__initPaths = [
            Utilities.fromNativeSeparators(ipath),
            Utilities.fromNativeSeparators(ipath) + "/",
        ]
        self.vcsProjectDirPicker.setText(self.__initPaths[0])

        self.lfNoteLabel.setVisible(self.__vcs.isExtensionActive("largefiles"))
        self.largeCheckBox.setVisible(self.__vcs.isExtensionActive("largefiles"))

        self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled(False)

        msh = self.minimumSizeHint()
        self.resize(max(self.width(), msh.width()), msh.height())

    @pyqtSlot(str)
    def on_vcsProjectDirPicker_textChanged(self, txt):
        """
        Private slot to handle a change of the project directory.

        @param txt name of the project directory (string)
        """
        self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled(
            bool(txt) and Utilities.fromNativeSeparators(txt) not in self.__initPaths
        )

    @pyqtSlot(str)
    def on_vcsUrlPicker_textChanged(self, txt):
        """
        Private slot to handle changes of the URL.

        @param txt current text of the line edit (string)
        """
        url = QUrl.fromUserInput(txt)
        enable = url.isValid() and url.scheme() in ConfigHgSchemes
        self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled(enable)

        self.vcsUrlPicker.setPickerEnabled(url.scheme() == "file" or len(txt) == 0)

    @pyqtSlot()
    def on_vcsUrlClearHistoryButton_clicked(self):
        """
        Private slot to clear the history of entered repository URLs.
        """
        currentVcsUrl = self.vcsUrlPicker.text()
        self.vcsUrlPicker.clear()
        self.vcsUrlPicker.setText(currentVcsUrl)

        self.__saveHistory()

    def getData(self):
        """
        Public slot to retrieve the data entered into the dialog and to
        save the history of entered repository URLs.

        @return a tuple of a string (project directory) and a dictionary
            containing the data entered.
        """
        self.__saveHistory()

        url = QUrl.fromUserInput(self.vcsUrlPicker.text().replace("\\", "/"))
        vcsdatadict = {
            "url": url.toString(QUrl.UrlFormattingOption.None_),
            "revision": self.vcsRevisionEdit.text(),
            "largefiles": self.largeCheckBox.isChecked(),
        }
        return (self.vcsProjectDirPicker.text(), vcsdatadict)

    def __saveHistory(self):
        """
        Private method to save the repository URL history.
        """
        url = self.vcsUrlPicker.text()
        vcsUrlHistory = self.vcsUrlPicker.getPathItems()
        if url not in vcsUrlHistory:
            vcsUrlHistory.insert(0, url)

        # max. list sizes is hard coded to 20 entries
        newVcsUrlHistory = [url for url in vcsUrlHistory if url]
        if len(newVcsUrlHistory) > 20:
            newVcsUrlHistory = newVcsUrlHistory[:20]

        self.__vcs.getPlugin().setPreferences("RepositoryUrlHistory", newVcsUrlHistory)