def __init__(self, mfields, *args, **kwargs):
seriesablefields = kwargs.pop('seriesablefields', None)
forms.Form.__init__(self, *args, **kwargs)
chartablefields = []
if (seriesablefields is None):
seriesablePreset = False
seriesablefields = []
try:
itemCount = tableSize(mfields[0].model) # an upper bound
except (IndexError,AttributeError):
pass # no fields, apparently
try:
maxseriesable = settings.XGDS_DATA_MAX_SERIESABLE
except AttributeError:
maxseriesable = 100
else:
seriesablePreset = True
for x in mfields:
if (not isinstance(x, VirtualIncludedField)) and (not maskField(x)):
if ordinalField(x.model, x):
chartablefields.append(x)
elif ((seriesablePreset) or
(isinstance(x, GenericForeignKey)) or
(isAbstract(x.model)) or
(itemCount is None)):
pass
else:
estCount = fieldSize(x,
tableSize(x.model),
maxseriesable,
maxseriesable * 1000)
if (estCount is not None) and (estCount <= maxseriesable):
seriesablefields.append(x)
if len(chartablefields) > 1:
datachoices = (tuple((x, x)
for x in ['Rank']) +
tuple((x.name, x.verbose_name)
for x in chartablefields))
serieschoices = [(None, 'None')]
for x in seriesablefields:
if isinstance(x, fields.related.RelatedField):
serieschoices.append((x.name, x.verbose_name))
else:
serieschoices.append((x.name, x.verbose_name))
self.fields['xaxis'] = forms.ChoiceField(choices=datachoices,
required=True,
initial=chartablefields[0].name)
self.fields['yaxis'] = forms.ChoiceField(choices=datachoices,
required=True,
initial=chartablefields[1].name)
self.fields['series'] = forms.ChoiceField(choices=tuple(serieschoices),
required=True,
initial=serieschoices[0][0])
def __init__(self, mfields, *args, **kwargs):
seriesablefields = kwargs.pop('seriesablefields', None)
forms.Form.__init__(self, *args, **kwargs)
chartablefields = []
if (seriesablefields is None):
seriesablePreset = False
seriesablefields = []
try:
itemCount = tableSize(mfields[0].model) # an upper bound
except (IndexError, AttributeError):
pass # no fields, apparently
try:
maxseriesable = settings.XGDS_DATA_MAX_SERIESABLE
except AttributeError:
maxseriesable = 100
else:
seriesablePreset = True
for x in mfields:
if (not isinstance(x,
VirtualIncludedField)) and (not maskField(x)):
if ordinalField(x.model, x):
chartablefields.append(x)
elif ((seriesablePreset) or (isinstance(x, GenericForeignKey))
or (isAbstract(x.model)) or (itemCount is None)):
pass
else:
estCount = fieldSize(x, tableSize(x.model), maxseriesable,
maxseriesable * 1000)
if (estCount is not None) and (estCount <= maxseriesable):
seriesablefields.append(x)
if len(chartablefields) > 1:
datachoices = (tuple((x, x) for x in ['Rank']) + tuple(
(x.name, x.verbose_name) for x in chartablefields))
serieschoices = [(None, 'None')]
for x in seriesablefields:
if isinstance(x, fields.related.RelatedField):
serieschoices.append((x.name, x.verbose_name))
else:
serieschoices.append((x.name, x.verbose_name))
self.fields['xaxis'] = forms.ChoiceField(
choices=datachoices,
required=True,
initial=chartablefields[0].name)
self.fields['yaxis'] = forms.ChoiceField(
choices=datachoices,
required=True,
initial=chartablefields[1].name)
self.fields['series'] = forms.ChoiceField(
choices=tuple(serieschoices),
required=True,
initial=serieschoices[0][0])
def specialWidget(mymodel, field, enumerableFields):
"""
Determines the appropriate widget display if several could be applicable; otherwise returns None
"""
widget = None
if isinstance(field, (models.ForeignKey,models.ManyToManyField,models.OneToOneField)):
if enumerableFields:
if (field in enumerableFields):
widget = 'pulldown'
elif (not isAbstract(mymodel)) and (not isinstance(field, models.FileField)):
try:
maxpulldown = settings.XGDS_DATA_MAX_PULLDOWNABLE
except AttributeError:
maxpulldown = 100
relatedCount = fieldSize(field, tableSize(mymodel), maxpulldown, 10 * maxpulldown)
if (relatedCount is not None) and (relatedCount <= maxpulldown):
widget = 'pulldown'
else:
widget = 'textbox'
return widget
def specialWidget(mymodel, field, enumerableFields):
"""
Determines the appropriate widget display if several could be applicable; otherwise returns None
"""
widget = None
if isinstance(
field,
(models.ForeignKey, models.ManyToManyField, models.OneToOneField)):
if enumerableFields:
if (field in enumerableFields):
widget = 'pulldown'
elif (not isAbstract(mymodel)) and (not isinstance(
field, models.FileField)):
try:
maxpulldown = settings.XGDS_DATA_MAX_PULLDOWNABLE
except AttributeError:
maxpulldown = 100
relatedCount = fieldSize(field, tableSize(mymodel), maxpulldown,
10 * maxpulldown)
if (relatedCount is not None) and (relatedCount <= maxpulldown):
widget = 'pulldown'
else:
widget = 'textbox'
return widget