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

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

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

"""
Module implementing a dialog to enter the data for a merge operation.
"""

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

from .Ui_HgMergeDialog import Ui_HgMergeDialog


class HgMergeDialog(QDialog, Ui_HgMergeDialog):
    """
    Class implementing a dialog to enter the data for a merge operation.
    """
    def __init__(self, tagsList, branchesList, bookmarksList=None,
                 parent=None):
        """
        Constructor
        
        @param tagsList list of tags
        @type list of str
        @param branchesList list of branches
        @type list of str
        @param bookmarksList list of bookmarks
        @type list of str
        @param parent parent widget
        @type QWidget
        """
        super().__init__(parent)
        self.setupUi(self)
       
        self.buttonBox.button(
            QDialogButtonBox.StandardButton.Ok).setEnabled(False)
        
        self.tagCombo.addItems(sorted(tagsList))
        self.branchCombo.addItems(["default"] + sorted(branchesList))
        if bookmarksList is not None:
            self.bookmarkCombo.addItems(sorted(bookmarksList))
        else:
            self.bookmarkButton.setHidden(True)
            self.bookmarkCombo.setHidden(True)
        
        # connect various radio buttons and input fields
        self.idButton.toggled.connect(self.__updateOK)
        self.tagButton.toggled.connect(self.__updateOK)
        self.branchButton.toggled.connect(self.__updateOK)
        self.bookmarkButton.toggled.connect(self.__updateOK)
        self.expressionButton.toggled.connect(self.__updateOK)
        
        self.idEdit.textChanged.connect(self.__updateOK)
        self.expressionEdit.textChanged.connect(self.__updateOK)
        
        self.tagCombo.editTextChanged.connect(self.__updateOK)
        self.branchCombo.editTextChanged.connect(self.__updateOK)
        self.bookmarkCombo.editTextChanged.connect(self.__updateOK)
        
        msh = self.minimumSizeHint()
        self.resize(max(self.width(), msh.width()), msh.height())
    
    @pyqtSlot()
    def __updateOK(self):
        """
        Private slot to update the OK button.
        """
        enabled = True
        if self.idButton.isChecked():
            enabled = self.idEdit.text() != ""
        elif self.tagButton.isChecked():
            enabled = self.tagCombo.currentText() != ""
        elif self.branchButton.isChecked():
            enabled = self.branchCombo.currentText() != ""
        elif self.bookmarkButton.isChecked():
            enabled = self.bookmarkCombo.currentText() != ""
        elif self.expressionButton.isChecked():
            enabled = enabled and bool(self.expressionEdit.text())
        
        self.buttonBox.button(
            QDialogButtonBox.StandardButton.Ok).setEnabled(enabled)
    
    def getParameters(self):
        """
        Public method to retrieve the merge data.
        
        @return tuple naming the revision and a flag indicating a
            forced merge
        @rtype tuple of (str, bool)
        """
        if self.numberButton.isChecked():
            rev = "rev({0})".format(self.numberSpinBox.value())
        elif self.idButton.isChecked():
            rev = "id({0})".format(self.idEdit.text())
        elif self.tagButton.isChecked():
            rev = self.tagCombo.currentText()
        elif self.branchButton.isChecked():
            rev = self.branchCombo.currentText()
        elif self.bookmarkButton.isChecked():
            rev = self.bookmarkCombo.currentText()
        elif self.expressionButton.isChecked():
            rev = self.expressionEdit.text()
        else:
            rev = ""
        
        return rev, self.forceCheckBox.isChecked()