def getImageScales(self, field=None, context=None):
"""Return the image sizes for the drawer"""
if field is None:
from Products.ATContentTypes.content.image import ATImage
field = ATImage.schema['image']
# in Archetypes 1.5.x ImageField doesn't actually provide IImageField o.O
if not isinstance(field, ImageField) and not implementedOrProvidedBy(
IImageField, field):
raise TypeError(
"Can't retrieve image scale info for non-image field.")
field_name = field.getName()
sizes = field.getAvailableSizes(field)
# Extract image dimensions from context.
if context is not None:
width, height = context.getField(field_name).getSize(context)
else:
width, height = 0, 0
scales = [{
'value': '%s_%s' % (field_name, key),
'size': [value[0], value[1]],
'title': key.capitalize()
} for key, value in sizes.items()]
scales.sort(lambda x, y: cmp(x['size'][0], y['size'][0]))
scales.insert(0, {
'value': '',
'title': 'Original',
'size': [width, height]
})
return scales
def getImageScales(self, field=None, context=None):
"""Return the image sizes for the drawer"""
if field is None:
from Products.ATContentTypes.content.image import ATImage
field = ATImage.schema['image']
# in Archetypes 1.5.x ImageField doesn't actually provide IImageField o.O
if not isinstance(field, ImageField) and not implementedOrProvidedBy(IImageField, field):
raise TypeError("Can't retrieve image scale info for non-image field.")
field_name = field.getName()
sizes = field.getAvailableSizes(field)
# Extract image dimensions from context.
if context is not None:
width, height = context.getField(field_name).getSize(context)
else:
width, height = 0, 0
scales = [{'value': '@@images/%s/%s' % (field_name, key),
'size': [value[0], value[1]],
'title': key.capitalize()} for key, value in sizes.items()]
scales.sort(key=lambda x: x['size'][0])
scales.insert(0, {'value': '',
'title': 'Original',
'size': [width, height]})
return scales
def test_implementedOrProvidedBy(self):
myobj = TestObject()
self.assertFalse(implementedOrProvidedBy(ITestIface, myobj))
zope.interface.directlyProvides(myobj, ITestIface)
self.assertTrue(implementedOrProvidedBy(ITestIface, myobj))
def test_implementedOrProvidedBy(self):
myobj = TestObject()
self.assertFalse(implementedOrProvidedBy(ITestIface, myobj))
zope.interface.directlyProvides(myobj, ITestIface)
self.assertTrue(implementedOrProvidedBy(ITestIface, myobj))
