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57 lines
2.4 KiB
Python
57 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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v_distance.py
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-------------
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Date : February 2016
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Copyright : (C) 2016 by Médéric Ribreux
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Email : medspx at medspx dot fr
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Médéric Ribreux'
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__date__ = 'February 2016'
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__copyright__ = '(C) 2016, Médéric Ribreux'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from qgis.core import QgsProcessingParameterDefinition
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def checkParameterValuesBeforeExecuting(alg, parameters, context):
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""" Verify if we have the right parameters """
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# Verifiy that we have the good number of columns
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uploads = alg.parameterAsEnums(parameters, 'upload', context)
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columns = alg.parameterAsFields(parameters, 'column', context)
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if len(columns) != len(uploads):
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return False, alg.tr(u"The number of columns and the number of upload parameters should be equal!")
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return True, None
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def processCommand(alg, parameters, context, feedback):
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# We need to disable only from_output parameter
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fromOutput = alg.parameterDefinition('from_output')
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fromOutput.setFlags(fromOutput.flags() | QgsProcessingParameterDefinition.FlagHidden)
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alg.processCommand(parameters, context, feedback, False)
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fromOutput.setFlags(fromOutput.flags() | QgsProcessingParameterDefinition.FlagHidden)
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def processOutputs(alg, parameters, context, feedback):
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alg.vectorOutputType(parameters, context)
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alg.exportVectorLayerFromParameter('output', parameters, context)
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# for from_output, we export the initial layer
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fileName = alg.parameterAsOutputLayer(parameters, 'from_output', context)
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grassName = alg.exportedLayers['from']
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alg.exportVectorLayer(grassName, fileName)
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