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Restrict available formats when running algorithms to those supported

by the provider
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nyalldawson committed Nov 6, 2017
1 parent 4ae9241 commit 4e3b0825948b2f135c52ba25bcb274d854296910
@@ -63,13 +63,11 @@ def getFileFilter(param):
for i in range(len(exts)):
exts[i] = tr('{0} files (*.{1})', 'QgsProcessingParameterRasterDestination').format(exts[i].upper(), exts[i].lower())
return ';;'.join(exts) + ';;' + tr('All files (*.*)')
elif param.type() == 'table':
exts = ['csv', 'dbf']
for i in range(len(exts)):
exts[i] = tr('{0} files (*.{1})', 'ParameterTable').format(exts[i].upper(), exts[i].lower())
return tr('All files (*.*)') + ';;' + ';;'.join(exts)
elif param.type() == 'sink':
exts = QgsVectorFileWriter.supportedFormatExtensions()
elif param.type() in ('sink', 'vectorDestination'):
if param.provider() is not None:
exts = param.provider().supportedOutputVectorLayerExtensions()
else:
exts = QgsVectorFileWriter.supportedFormatExtensions()
for i in range(len(exts)):
exts[i] = tr('{0} files (*.{1})', 'ParameterVector').format(exts[i].upper(), exts[i].lower())
return ';;'.join(exts) + ';;' + tr('All files (*.*)')
@@ -45,6 +45,11 @@ QString QgsProcessingProvider::longName() const
return name();
}

QStringList QgsProcessingProvider::supportedOutputRasterLayerExtensions() const
{
return QStringList() << QStringLiteral( "tif" );
}

void QgsProcessingProvider::refreshAlgorithms()
{
qDeleteAll( mAlgorithms );
@@ -106,7 +106,7 @@ class CORE_EXPORT QgsProcessingProvider : public QObject
* \see supportedOutputVectorLayerExtensions()
* \see supportedOutputTableExtensions()
*/
virtual QStringList supportedOutputRasterLayerExtensions() const { return QStringList() << QStringLiteral( "tif" ); }
virtual QStringList supportedOutputRasterLayerExtensions() const;

/**
* Returns a list of the vector format file extensions supported by this provider.

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