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"""
***************************************************************************
v_transform.py
----------
Date : February 2024
Copyright : (C) 2024 by Andrea Giudiceandrea
Email : andreaerdna at libero dot it
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* any later version. *
* *
***************************************************************************
"""
__author__ = "Andrea Giudiceandrea"
__date__ = "February 2024"
__copyright__ = "(C) 2024, Andrea Giudiceandrea"
from qgis.PyQt.QtCore import QCoreApplication
def checkParameterValuesBeforeExecuting(alg, parameters, context):
"""Verify if we have the right parameters"""
# -w, -x and -y parameters are mutually exclusive
w = alg.parameterAsBoolean(parameters, "-w", context)
x = alg.parameterAsBoolean(parameters, "-x", context)
y = alg.parameterAsBoolean(parameters, "-y", context)
if sum([w, x, y]) > 1:
return False, QCoreApplication.translate(
"GrassAlgorithmExt",
"The 'Swap coordinates' parameters -w, -x and -y are mutually exclusive. You need to set either none or only one of them!",
)
return True, None
|
