class LeadImageBlobExtender(LeadImageExtender):
fields = [
LeadimageBlobImageField(
IMAGE_FIELD_NAME,
required=False,
storage=AnnotationStorage(migrate=True),
languageIndependent=True,
max_size=zconf.ATNewsItem.max_image_dimension,
swallowResizeExceptions=zconf.swallowImageResizeExceptions.
enable,
pil_quality=zconf.pil_config.quality,
pil_resize_algo=zconf.pil_config.resize_algo,
validators=(('isNonEmptyFile', V_REQUIRED),
('checkNewsImageMaxSize', V_REQUIRED)),
widget=ImageWidget(
label=_(u"Lead image"),
description=_(u"You can upload lead image. This image "
u"will be displayed above the content. "
u"Uploaded image will be automatically "
u"scaled to size specified in the leadimage "
u"control panel."),
show_content_type=False,
),
),
captionField,
]
def handle_scales_action(self, action, data):
CheckAuthenticator(self.request)
number = 0
ctool = getToolByName(self.context, 'portal_catalog')
items = ctool(hasContentLeadImage=True)
for i in items:
obj = i.getObject()
if obj is None:
continue
if not ILeadImageable.providedBy(obj):
continue
try:
state = obj._p_changed
except (ConflictError, KeyboardInterrupt):
raise
except:
state = 0
field = obj.getField(config.IMAGE_FIELD_NAME)
if field is not None:
field.removeScales(obj)
field.createScales(obj)
number = number + 1
if state is None:
obj._p_deactivate()
self.status = _(u"text_scales_recreated", default=u"${number} scales recreated.", mapping={'number':number})
def handle_scales_action(self, action, data):
CheckAuthenticator(self.request)
number = 0
ctool = getToolByName(self.context, 'portal_catalog')
items = ctool(hasContentLeadImage=True)
for i in items:
obj = i.getObject()
if obj is None:
continue
if not ILeadImageable.providedBy(obj):
continue
try:
state = obj._p_changed
except (ConflictError, KeyboardInterrupt):
raise
except:
state = 0
field = obj.getField(config.IMAGE_FIELD_NAME)
if field is not None:
field.removeScales(obj)
field.createScales(obj)
number = number + 1
if state is None:
obj._p_deactivate()
self.status = _(u"text_scales_recreated",
default=u"${number} scales recreated.",
mapping={'number': number})
if HAS_BLOB:
class LeadimageBlobImageField(ExtensionField, BlobImageField):
"""Image Field with blob support that uses sizes defined in plone.app.imaging
"""
def getFilename(self, context):
return IMAGE_FIELD_NAME
captionField = LeadimageCaptionField(IMAGE_CAPTION_FIELD_NAME,
required=False,
searchable=False,
storage = AnnotationStorage(),
languageIndependent = False,
widget = StringWidget(
label=_(u"Lead image caption"),
description=_(u"You may enter lead image caption text"),
maxlength=512,
size=60,
),
)
show_leadimage = _ExtensionBooleanField(
"show_leadimage_context",
required=False,
default=True,
schemata="settings",
widget=BooleanWidget(
label=u"Show Lead Image on this item",
description=u"This will show the lead image on the object display.",
),
class ILeadImagePrefsForm(Interface):
""" The view for LeadImage prefs form. """
allowed_types = schema.Tuple(
title=_(u'Portal types'),
description=_(u'Portal types lead image may be attached to.'),
missing_value=tuple(),
value_type=schema.Choice(
vocabulary="plone.app.vocabularies.ReallyUserFriendlyTypes"),
required=False)
image_width = schema.Int(
title=_(u'Width'),
description=_(u'Lead image scale width. Value specified in this field '
u"is used for generating 'leadimage' scale"),
default=67,
required=True)
image_height = schema.Int(
title=_(u'Height'),
description=_(
u'Lead image scale height. Value specified in this field '
u"is used for generating 'leadimage' scale"),
default=81,
required=True)
desc_scale_name = schema.Choice(
title=_(u"'Description' image scale"),
description=_(
u'Please select scale which will be used next to Description field.'
),
required=True,
default='thumb',
vocabulary=u"collective.contentleadimage.scales_vocabulary",
)
body_scale_name = schema.Choice(
title=_(u"'Body' image scale"),
description=_(u'Please select scale which will be used in the body.'),
required=True,
default='mini',
vocabulary=u"collective.contentleadimage.scales_vocabulary",
)
viewlet_description = schema.Bool(
title=_(u'Show image next to Description field'),
default=True,
)
viewlet_body = schema.Bool(
title=_(u'Show image in body area'),
default=False,
)
class LeadImagePrefsForm(ControlPanelForm):
""" The view class for the lead image preferences form. """
implements(ILeadImagePrefsForm)
form_fields = form.FormFields(ILeadImagePrefsForm)
label = _(u'Content Lead Image Settings Form')
description = _(u'Select properties for Content Lead Image')
form_name = _(u'Content Lead Image Settings')
# handle_edit_action and handle_cancel_action are copied from
# ControlPanelForm because they are overriden by my handle_scales_action
@form.action(_p(u'label_save', default=u'Save'), name=u'save')
def handle_edit_action(self, action, data):
CheckAuthenticator(self.request)
if form.applyChanges(self.context, self.form_fields, data,
self.adapters):
self.status = _p("Changes saved.")
notify(ConfigurationChangedEvent(self, data))
self._on_save(data)
else:
self.status = _p("No changes made.")
@form.action(_p(u'label_cancel', default=u'Cancel'),
validator=null_validator,
name=u'cancel')
def handle_cancel_action(self, action, data):
IStatusMessage(self.request).addStatusMessage(_p("Changes canceled."),
type="info")
url = getMultiAdapter((self.context, self.request),
name='absolute_url')()
self.request.response.redirect(url + '/plone_control_panel')
return ''
@form.action(_(u'label_recreate_scales', default=u'Recreate scales'),
name=u'scales',
validator=null_validator)
def handle_scales_action(self, action, data):
CheckAuthenticator(self.request)
number = 0
ctool = getToolByName(self.context, 'portal_catalog')
items = ctool(hasContentLeadImage=True)
for i in items:
obj = i.getObject()
if obj is None:
continue
if not ILeadImageable.providedBy(obj):
continue
try:
state = obj._p_changed
except (ConflictError, KeyboardInterrupt):
raise
except:
state = 0
field = obj.getField(config.IMAGE_FIELD_NAME)
if field is not None:
field.removeScales(obj)
field.createScales(obj)
number = number + 1
if state is None:
obj._p_deactivate()
self.status = _(u"text_scales_recreated",
default=u"${number} scales recreated.",
mapping={'number': number})
class LeadImageExtender(object):
adapts(ILeadImageable)
implements(IOrderableSchemaExtender, IBrowserLayerAwareExtender)
layer = ILeadImageSpecific
fields = [
LeadimageImageField(
IMAGE_FIELD_NAME,
required=False,
storage=AnnotationStorage(migrate=True),
languageIndependent=True,
max_size=zconf.ATNewsItem.max_image_dimension,
swallowResizeExceptions=zconf.swallowImageResizeExceptions.enable,
pil_quality=zconf.pil_config.quality,
pil_resize_algo=zconf.pil_config.resize_algo,
validators=(('isNonEmptyFile', V_REQUIRED),
('checkNewsImageMaxSize', V_REQUIRED)),
widget=ImageWidget(
label=_(u"Lead image"),
description=_(u"You can upload lead image. This image "
u"will be displayed above the content. "
u"Uploaded image will be automatically "
u"scaled to size specified in the leadimage "
u"control panel."),
show_content_type=False,
),
),
captionField,
]
def __init__(self, context):
self.context = context
def getFields(self):
portal = getUtility(IPloneSiteRoot)
cli_prefs = ILeadImagePrefsForm(portal)
if cli_prefs.cli_props is not None:
portal_type = getattr(self.context, 'portal_type', None)
if portal_type in cli_prefs.allowed_types:
return self.fields
return []
def getOrder(self, original):
"""
'original' is a dictionary where the keys are the names of
schemata and the values are lists of field names, in order.
Move leadImage field just after the Description
"""
default = original.get('default', None)
if default:
desc_index = 0
# if there is no title nor description field, do nothing
if 'description' in default:
desc_index = default.index('description')
elif 'title' in default:
desc_index = default.index('title')
if desc_index >= 0 and (IMAGE_FIELD_NAME in default):
default.remove(IMAGE_FIELD_NAME)
default.insert(desc_index + 1, IMAGE_FIELD_NAME)
if IMAGE_CAPTION_FIELD_NAME in default:
default.remove(IMAGE_CAPTION_FIELD_NAME)
default.insert(desc_index + 2, IMAGE_CAPTION_FIELD_NAME)
return original
if HAS_BLOB:
class LeadimageBlobImageField(ExtensionField, BlobImageField):
"""Image Field with blob support that uses sizes defined in plone.app.imaging
"""
pass
captionField = LeadimageCaptionField(
IMAGE_CAPTION_FIELD_NAME,
required=False,
searchable=False,
storage=AnnotationStorage(),
languageIndependent=False,
widget=StringWidget(
label=_(u"Lead image caption"),
description=_(u"You may enter lead image caption text"),
),
)
class LeadImageExtender(object):
adapts(ILeadImageable)
implements(IOrderableSchemaExtender, IBrowserLayerAwareExtender)
layer = ILeadImageSpecific
fields = [
LeadimageImageField(
IMAGE_FIELD_NAME,
required=False,
