Commit b41c8069 authored by Samuel GAIST's avatar Samuel GAIST
Browse files

[widgets] Add validatedhelpers module

This module provides helper classes that do
input validation for example for names.
parent 523bf7cb
# vim: set fileencoding=utf-8 :
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# Copyright (c) 2020 Idiap Research Institute, http://www.idiap.ch/ #
# Contact: beat.support@idiap.ch #
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# This file is part of the beat.editor module of the BEAT platform. #
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# in the file LICENSE.AGPL included in the packaging of this file. #
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from PyQt5.QtCore import QRegularExpression
from PyQt5.QtGui import QRegularExpressionValidator
from PyQt5.QtWidgets import QLineEdit
from PyQt5.QtWidgets import QStyledItemDelegate
NAME_REGULAREXPRESSION = QRegularExpression("^[a-zA-Z_][a-zA-Z0-9_-]*$")
class NameLineEdit(QLineEdit):
"""Line edit equipped with a validator for name related pattern properties"""
def __init__(self, contents=None, parent=None):
super().__init__(contents, parent)
self.setValidator(QRegularExpressionValidator(NAME_REGULAREXPRESSION, self))
class NameItemDelegate(QStyledItemDelegate):
"""Item delegate providing a NameLineEdit so add new entries follows the rules
set in the schema
"""
def createEditor(self, parent, options, index):
"""Create a name validated line edit"""
return NameLineEdit(parent)
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