import datetime
import random
import time
from copy import deepcopy
try:
from hashlib import md5
except ImportError:
from md5 import md5
from random import randint
from Acquisition import aq_inner
from Products.ATContentTypes.interface.image import IATImage
from Products.ATContentTypes.interface.news import IATNewsItem
from Products.BlingPortlet import BlingPortletMessageFactory as _
from Products.BlingPortlet.interfaces import IBlingPortlet, IBlingImage, IBlingSlideshowPortlet, IBlingable, IBlingSlideshowView, IBlingView
from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
from plone.app.form.widgets.uberselectionwidget import UberSelectionWidget
from plone.app.portlets.portlets import base
from plone.browserlayer.utils import registered_layers
from zope.component import getMultiAdapter, getUtility, queryUtility
from zope.formlib import form
from zope.interface import implements
class BaseAssignment(base.Assignment):
implements(IBlingPortlet)
name = u''
source = None
base_title = u'Base Bling Portlet'
def __init__(self, name, source, scale, links):
self.name = name
self.source = source
self.links = links
self.scale = scale
@property
def title(self):
return self.name or self.base_title
class Assignment(BaseAssignment):
base_title = u'Bling Portlet'
def __init__(self, name=u'', source=None, scale=u'thumb', links=True, change=True, view=u'default'):
BaseAssignment.__init__(self, name, source, scale, links)
self.change = change
self.view = view
class SlideshowAssignment(BaseAssignment):
base_title = u'Bling Slideshow'
implements(IBlingSlideshowPortlet)
def __init__(self, name=u'', source=None, scale=u'thumb', links=True, interval=7000, ordering=u'Sequential', repeat=True, desc_limit=16, view=u'default'):
BaseAssignment.__init__(self, name, source, scale, links)
self.interval = interval
self.ordering = ordering
self.repeat = repeat
self.desc_limit = desc_limit
self.view = view
class BaseRenderer(base.Renderer):
# only find adaptable objects which are accessible to all
base_query = { 'object_provides' : (IATNewsItem.__identifier__,
IATImage.__identifier__,
IBlingable.__identifier__),
'allowedRolesAndUsers' : ('Anonymous',),
}
def __init__(self, *args):
base.Renderer.__init__(self, *args)
context = aq_inner(self.context)
portal_state = getMultiAdapter((context, self.request), name=u'plone_portal_state')
self.portal_url = portal_state.portal_url()
self.portal_root = portal_state.navigation_root_path()
plone_tools = getMultiAdapter((context, self.request), name=u'plone_tools')
self.catalog = plone_tools.catalog()
def title(self):
return self.data.name
def render(self):
# we have to pass self because the way we define _template doesn't invoke Zope 2 compatibility magic
return self._template(self)
def links(self):
return self.data.links
def scale(self):
return self.data.scale
@property
def _template(self):
view = queryUtility(self.template_iface, name=self.data.view)
if view is not None and (view.layer in registered_layers() or view.layer is None):
template = view.template
else:
template = getUtility(self.template_iface, name=u"default").template
return template
class Renderer(BaseRenderer):
template_iface = IBlingView
def getResultsIndex(self, resultsLength):
if self.data.change == u'Random':
return randint(0,resultsLength-1)
elif self.data.change == u'Each second':
return int(time.time()) % resultsLength
elif self.data.change == u'Each minute':
return int(time.time()) / 60 % resultsLength
elif self.data.change == u'Each hour':
return int(time.time()) / 3600 % resultsLength
elif self.data.change == u'Each day':
return int(time.time()) / 86400 % resultsLength
elif self.data.change == u'Each week':
return int(time.time()) / 604800 % resultsLength
elif self.data.change == u'Each month':
now = datetime.datetime.now()
return (now.month + now.year*12) % resultsLength
elif self.data.change == u'Each year':
now = datetime.datetime.now()
return now.year % resultsLength
return 0
def getdata(self):
query = deepcopy(self.base_query)
query['path'] = { 'query': self.portal_root + self.data.source, 'depth': 1 }
results = self.catalog.unrestrictedSearchResults(query)
if not len(results):
return None
return IBlingImage(results[self.getResultsIndex(len(results))].getObject(), None)
class SlideshowRenderer(BaseRenderer):
template_iface = IBlingSlideshowView
def portlethash(self):
concat_txt = "%s\n%s" % (self.manager.__name__, self.data.__name__)
return md5(concat_txt).hexdigest()
def interval(self):
return self.data.interval
def ordering(self):
return self.data.ordering
def repeat(self):
return self.data.repeat
def desc_limit(self):
return self.data.desc_limit
def getdata(self):
query = deepcopy(self.base_query)
query['path'] = { 'query': self.portal_root + self.data.source, 'depth': 1 }
if self.data.ordering == u'Sequential':
query['sort_on'] = 'getObjPositionInParent'
query['sort_order'] = 'ascending'
results = self.catalog.unrestrictedSearchResults(query)
filtered_results = [IBlingImage(r.getObject(), None) for r in results if r is not None]
if self.data.ordering == u'Random':
random.shuffle(filtered_results)
return filtered_results
class AddForm(base.AddForm):
form_fields = form.Fields(IBlingPortlet)
form_fields['source'].custom_widget = UberSelectionWidget
label = _(u"Add Bling Portlet")
description = _(u"This portlet displays bling.")
def create(self, data):
return Assignment(**data)
class SlideshowAddForm(base.AddForm):
form_fields = form.Fields(IBlingSlideshowPortlet)
form_fields['source'].custom_widget = UberSelectionWidget
label = _(u"Add Bling Slideshow Portlet")
description = _(u"This portlet displays animated bling.")
def create(self, data):
return SlideshowAssignment(**data)
class EditForm(base.EditForm):
form_fields = form.Fields(IBlingPortlet)
form_fields['source'].custom_widget = UberSelectionWidget
label = _(u"Edit Bling Portlet")
description = _(u"This portlet displays bling.")
class SlideshowEditForm(base.EditForm):
form_fields = form.Fields(IBlingSlideshowPortlet)
form_fields['source'].custom_widget = UberSelectionWidget
label = _(u"Edit Bling Slideshow Portlet")
description = _(u"This portlet displays animated bling.")
