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ParameterMultipleInput minor fixes.

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This commit is contained in:
Septen 2016-03-23 01:15:38 +03:00
parent 8c9eddcdc6
commit d5acc211c8
1 changed files with 5 additions and 3 deletions
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8
python/plugins/processing/core/parameters.py
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@ -341,7 +341,7 @@ class ParameterMultipleInput(ParameterDataObject):
ParameterDataObject.__init__(self, name, description, None, optional)
self.datatype = int(float(datatype))
self.exported = None
self.minNumInputs = 1
self.minNumInputs = 0
""" Set minimum required number of inputs for parameter
@ -354,14 +354,15 @@ class ParameterMultipleInput(ParameterDataObject):
"""
def setMinNumInputs(self, _minNumInputs):
if _minNumInputs is None:
self.minNumInputs = 1
return
self.minNumInputs = 0
return True
if _minNumInputs < 1 and not self.optional:
# dont allow to set negative or null number of inputs if parameter isn't optional
return False
self.minNumInputs = int(minNumInputs)
return True
""" Get minimum required number of inputs for parameter
@ -382,6 +383,7 @@ class ParameterMultipleInput(ParameterDataObject):
if isinstance(obj, list):
if len(obj) == 0:
if self.optional:
self.value = None
return True
else:
return False