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

# Copyright (c) 2014 - 2017 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog for the input of multi line text.
"""

from __future__ import unicode_literals

from PyQt5.QtWidgets import QDialog

from .Ui_MultiLineInputDialog import Ui_MultiLineInputDialog


class MultiLineInputDialog(QDialog, Ui_MultiLineInputDialog):
    """
    Class implementing a dialog for the input of multi line text.
    """
    def __init__(self, label, default, parent=None):
        """
        Constructor
        
        @param label label for the entry field (string)
        @param default default value for the entry field (string)
        @param parent reference to the parent widget (QWidget)
        """
        super(MultiLineInputDialog, self).__init__(parent)
        self.setupUi(self)
    
    def getData(self):
        """
        Public method to retrieve the multi line text.
        
        @return multi line text (string)
        """
        return self.multiLineEdit.toPlainText()
    
    @staticmethod
    def getText(parent, title, label, default=""):
        """
        Public static method to create the dialog and return the multi line
        text.
        
        @param parent reference to the parent widget (QWidget)
        @param title title of the dialog (string)
        @param label label for the entry field (string)
        @param default default value for the entry field (string)
        @return multi line text (string) and a flag indicating the acceptance
            state (boolean)
        """
        dlg = MultiLineInputDialog(label, default, parent)
        dlg.setWindowTitle(title)
        if dlg.exec_() == QDialog.Accepted:
            return dlg.getData(), True
        else:
            return "", False