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9d04f87249
The previous naming was too easily confused with processing outputs. Rename them to QgsProcessingParameterFileDestination, etc... to make it clearer what they are used for.
77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ParameterGuiUtils.py
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---------------------
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Date : June 2017
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Copyright : (C) 2017 by Nyall Dawson
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Email : nyall dot dawson at gmail dot com
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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__ = 'Nyall Dawson'
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__date__ = 'June 2017'
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__copyright__ = '(C) 2017, Nyall Dawson'
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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 (QgsProcessing,
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QgsProcessingParameterDefinition,
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QgsProcessingFeatureSourceDefinition,
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QgsVectorFileWriter)
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from qgis.PyQt.QtCore import QCoreApplication
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from processing.tools import dataobjects
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def tr(string, context=''):
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if context == '':
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context = 'Processing'
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return QCoreApplication.translate(context, string)
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def getFileFilter(param):
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"""
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Returns a suitable file filter pattern for the specified parameter definition
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:param param:
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:return:
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"""
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if param.type() == 'multilayer':
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if param.layerType() == QgsProcessing.TypeRaster:
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exts = dataobjects.getSupportedOutputRasterLayerExtensions()
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elif param.layerType() == QgsProcessing.TypeFile:
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return tr('All files (*.*)', 'QgsProcessingParameterMultipleLayers')
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else:
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exts = QgsVectorFileWriter.supportedFormatExtensions()
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for i in range(len(exts)):
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exts[i] = tr('{0} files (*.{1})', 'QgsProcessingParameterMultipleLayers').format(exts[i].upper(), exts[i].lower())
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return ';;'.join(exts)
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elif param.type() in ('raster', 'rasterDestination'):
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exts = dataobjects.getSupportedOutputRasterLayerExtensions()
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for i in range(len(exts)):
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exts[i] = tr('{0} files (*.{1})', 'QgsProcessingParameterRasterDestination').format(exts[i].upper(), exts[i].lower())
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return ';;'.join(exts)
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elif param.type() == 'table':
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exts = ['csv', 'dbf']
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for i in range(len(exts)):
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exts[i] = tr('{0} files (*.{1})', 'ParameterTable').format(exts[i].upper(), exts[i].lower())
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return ';;'.join(exts)
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elif param.type() == 'sink':
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exts = QgsVectorFileWriter.supportedFormatExtensions()
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for i in range(len(exts)):
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exts[i] = tr('{0} files (*.{1})', 'ParameterVector').format(exts[i].upper(), exts[i].lower())
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return ';;'.join(exts)
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elif param.type() == 'fileOut':
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return param.fileFilter()
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return ''
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