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

# Copyright (c) 2014 - 2018 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog to enter cherry-pick data.
"""

from __future__ import unicode_literals

from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QDialog, QDialogButtonBox

from .Ui_GitCherryPickDialog import Ui_GitCherryPickDialog


class GitCherryPickDialog(QDialog, Ui_GitCherryPickDialog):
    """
    Class implementing a dialog to enter cherry-pick data.
    """
    def __init__(self, commits=None, parent=None):
        """
        Constructor
        
        @param commits list of commits to show in the commits pane (list of
            strings)
        @param parent reference to the parent widget (QWidget)
        """
        super(GitCherryPickDialog, self).__init__(parent)
        self.setupUi(self)
        
        if commits:
            self.commitsEdit.setPlainText("\n".join(commits))
       
        self.on_commitsEdit_textChanged()
    
    @pyqtSlot()
    def on_commitsEdit_textChanged(self):
        """
        Private slot to react upon changes of commits.
        """
        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
            self.commitsEdit.toPlainText() != "")
    
    def getData(self):
        """
        Public method to retrieve the entered data.
        
        @return tuple with list of commits, a flag indicating to append
            cherry-pick info to the commit message, a flag indicating to append
            a signed-off-by line to the commit message and a flag indicating to
            not commit the action (list of strings, boolean, boolean, boolean)
        """
        return (self.commitsEdit.toPlainText().strip().splitlines(),
                self.appendCheckBox.isChecked(),
                self.signoffCheckBox.isChecked(),
                self.nocommitCheckBox.isChecked())
