| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 |
- """
- ***************************************************************************
- v_distance.py
- -------------
- Date : February 2016
- Copyright : (C) 2016 by Médéric Ribreux
- Email : medspx at medspx dot fr
- ***************************************************************************
- * *
- * 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 *
- * (at your option) any later version. *
- * *
- ***************************************************************************
- """
- __author__ = 'Médéric Ribreux'
- __date__ = 'February 2016'
- __copyright__ = '(C) 2016, Médéric Ribreux'
- from qgis.core import QgsProcessingParameterDefinition
- def checkParameterValuesBeforeExecuting(alg, parameters, context):
- """ Verify if we have the right parameters """
- # Verifiy that we have the good number of columns
- uploads = alg.parameterAsEnums(parameters, 'upload', context)
- columns = alg.parameterAsFields(parameters, 'column', context)
- if len(columns) != len(uploads):
- return False, alg.tr("The number of columns and the number of upload parameters should be equal!")
- return True, None
- def processCommand(alg, parameters, context, feedback):
- # We need to disable only from_output parameter
- fromOutput = alg.parameterDefinition('from_output')
- fromOutput.setFlags(fromOutput.flags() | QgsProcessingParameterDefinition.FlagHidden)
- alg.processCommand(parameters, context, feedback, False)
- fromOutput.setFlags(fromOutput.flags() | QgsProcessingParameterDefinition.FlagHidden)
- def processOutputs(alg, parameters, context, feedback):
- alg.vectorOutputType(parameters, context)
- alg.exportVectorLayerFromParameter('output', parameters, context)
- # for from_output, we export the initial layer
- fileName = alg.parameterAsOutputLayer(parameters, 'from_output', context)
- grassName = alg.exportedLayers['from']
- alg.exportVectorLayer(grassName, fileName)
|
