def ImageFieldWidget(field, request): # pylint: disable=invalid-name
"""Form image button widget factory adapter"""
image = FieldWidget(field, ImageWidget(request))
image.value = field.title
# Get the full resource URL for the image:
image.src = to_unicode(field.image)
return image
def _make_missing_term(self, value):
"""Return a term that should be displayed for the missing token"""
uvalue = to_unicode(value)
return SimpleTerm(value,
self._make_token(value),
title=_('Missing: ${value}',
mapping=dict(value=uvalue)))
def items(self):
"""Items list getter"""
if self.terms is None:
return
for count, term in enumerate(self.terms):
checked = self.is_checked(term)
item_id = '%s-%i' % (self.id, count)
if ITitledTokenizedTerm.providedBy(term):
translate = self.request.localizer.translate
label = translate(term.title)
else:
label = to_unicode(term.value)
yield {
'id': item_id,
'name': self.name,
'value': term.token,
'label': label,
'checked': checked
}
def _make_token(value):
"""create a unique valid ASCII token"""
return create_css_id(to_unicode(value))
def to_widget_value(self, value):
"""See interfaces.IDataConverter"""
if value is self.field.missing_value:
return ''
return to_unicode(value)
def to_widget_value(self, value):
"""Convert from text lines to HTML representation."""
# if the value is the missing value, then an empty list is produced.
if value is self.field.missing_value:
return ''
return '\n'.join(to_unicode(v) for v in value)
def src(self):
"""Image source"""
return to_unicode(self.field.image)