def __call__(self):
""" Remove a selected number of learners from a classlist """
remove_ids = self.request.get('remove_ids', '')
if isinstance(remove_ids, basestring):
# wrap string in a list for deleting mechanism to work
remove_ids = [remove_ids]
classlist = self.context
for remove_id in remove_ids:
try:
del classlist[remove_id]
except:
# success
status = 'error' # class in the template
status_msg = self.context.translate(
_('error')) # content string
msg = self.context.translate(_("Delete failed"))
return json.dumps({
'status': status,
'status_msg': status_msg,
'msg': msg
})
# success
status = 'info' # class in the template
status_msg = self.context.translate(_('info')) # content string
msg = self.context.translate(_("Learner(s) removed from classlist"))
return json.dumps({
'status': status,
'status_msg': status_msg,
'msg': msg
})
class ILearner(form.Schema):
""" Description of Learner content type
"""
code = schema.TextLine(
title=_(u"Code"),
required=True,
)
name = schema.TextLine(
title=_(u"Name"),
required=True,
)
form.widget(home_language=SelectFieldWidget)
home_language = RelationChoice(
title=_(u"Home Language"),
source=availableLanguages,
)
gender = schema.Choice(
title=_(u"Gender"),
vocabulary=GENDER,
required=True,
)
def __call__(self):
""" Remove a selected number of learners from a classlist """
remove_ids = self.request.get('remove_ids', '')
if isinstance(remove_ids, basestring):
# wrap string in a list for deleting mechanism to work
remove_ids = [remove_ids]
classlist = self.context
for remove_id in remove_ids:
try:
del classlist[remove_id]
except:
# success
status = 'error' # class in the template
status_msg = self.context.translate(_('error')) # content string
msg = self.context.translate(_("Delete failed"))
return json.dumps({'status' : status,
'status_msg' : status_msg,
'msg' : msg})
# success
status = 'info' # class in the template
status_msg = self.context.translate(_('info')) # content string
msg = self.context.translate(_("Learner(s) removed from classlist"))
return json.dumps({'status' : status,
'status_msg' : status_msg,
'msg' : msg})
def __call__(self):
""" Export all learners from a classlist into a CSV file, do nothing if
the class is empty.
"""
csv_content = None
# It is safe to do this at the moment, because the view is bound
# to IClasslist.
contentFilter = {'portal_type': 'upfront.classlist.content.learner'}
contentFilter['sort_on'] = "id"
contentFilter['sort_order'] = "ascending"
learners = self.context.getFolderContents(contentFilter,
full_objects=True)
learner_csv = StringIO()
if learners is not None and len(learners) > 0:
writer = csv.DictWriter(learner_csv,
fieldnames=['code', 'name', 'gender',
'language'],
restval='',
extrasaction='ignore',
dialect='excel',
quoting=csv.QUOTE_ALL
)
for learner in learners:
ldict={'code': learner.id,
'name': learner.name,
'gender': learner.gender,
'language': learner.home_language.to_object.title,
}
writer.writerow(ldict)
csv_content = learner_csv.getvalue()
learner_csv.close()
now = DateTime()
nice_filename = 'classlist-%s' % self.context.title
self.request.response.setHeader("Content-Disposition",
"attachment; filename=%s.xls" %
nice_filename)
self.request.response.setHeader("Content-Type", "text/csv")
self.request.response.setHeader("Content-Length", len(csv_content))
self.request.response.setHeader('Last-Modified',
DateTime.rfc822(DateTime()))
self.request.response.setHeader("Cache-Control", "no-store")
self.request.response.setHeader("Pragma", "no-cache")
self.request.response.write(csv_content)
else:
msg = _('The classlist has no learners')
IStatusMessage(self.request).addStatusMessage(msg,"info")
self.request.response.redirect(
'/'.join(self.context.getPhysicalPath()))
return csv_content
def __call__(self):
""" Rename the current classlist """
new_title = self.request.form['rename.form.newtitle']
# name/title must exist
if new_title == '':
msg = _("Name is required")
IStatusMessage(self.request).addStatusMessage(msg, "error")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
classlist = self.context
old_title = classlist.Title()
# name/title must be unique
if old_title.lower() != new_title.lower():
parent = classlist.aq_inner.aq_parent
for alist in parent.objectValues():
if alist != self and alist.Title() == new_title:
msg = _("Name is not unique")
IStatusMessage(self.request).addStatusMessage(msg, "error")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
# Create/Modify
if old_title.lower() != new_title.lower():
classlists = classlist.aq_parent
classlist.edit(title=new_title)
name = INameChooser(classlists).chooseName(None, classlist)
classlists.manage_renameObject(classlist.id, name)
msg = _("Classlist was modified")
IStatusMessage(self.request).addStatusMessage(msg, "info")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
msg = _("New name identical to old name")
IStatusMessage(self.request).addStatusMessage(msg, "error")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
def __call__(self):
""" Rename the current classlist """
new_title = self.request.form['rename.form.newtitle']
# name/title must exist
if new_title == '':
msg = _("Name is required")
IStatusMessage(self.request).addStatusMessage(msg,"error")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
classlist = self.context
old_title = classlist.Title()
# name/title must be unique
if old_title.lower() != new_title.lower():
parent = classlist.aq_inner.aq_parent
for alist in parent.objectValues():
if alist != self and alist.Title() == new_title:
msg = _("Name is not unique")
IStatusMessage(self.request).addStatusMessage(msg,"error")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
# Create/Modify
if old_title.lower() != new_title.lower():
classlists = classlist.aq_parent
classlist.edit(title=new_title)
name = INameChooser(classlists).chooseName(None, classlist)
classlists.manage_renameObject(classlist.id, name)
msg = _("Classlist was modified")
IStatusMessage(self.request).addStatusMessage(msg,"info")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
msg = _("New name identical to old name")
IStatusMessage(self.request).addStatusMessage(msg,"error")
return self.request.RESPONSE.redirect( \
"%s" % self.context.absolute_url())
def validate(self, value):
super(LearnerCodeValidator, self).validate(value)
catalog = getToolByName(self.context, 'portal_catalog')
result = catalog(portal_type='upfront.classlist.content.learner',
id=value)
count = len(result)
# we are editing a learner without changing the value
if count == 1 and result[0].UID == IUUID(self.context):
return True
elif count > 0:
raise Invalid(_(u"This learner code already "
"exists in the system. The learner code "
"must be unique."))
def __call__(self):
""" Add a learner to a classlist """
learner_code = self.request.get('learner_code', '')
learner_name = self.request.get('learner_name', '')
learner_gender = self.request.get('learner_gender', '')
learner_lang_id = self.request.get('learner_lang_id', '')
learner_lang = self.request.get('learner_lang', '')
if learner_name == '' or learner_code == '':
status = 'error' # class in the template
status_msg = self.context.translate(_('error')) # content string
msg = self.context.translate(_("Field cannot be empty"))
return json.dumps({'status' : status,
'status_msg' : status_msg,
'msg' : msg})
# validate that student code is unique
status = ''
catalog = getToolByName(self.context, 'portal_catalog')
result = catalog(id=learner_code)
if len(result) != 0:
status = 'error' # class in the template
status_msg = self.context.translate(_('error')) # content string
msg = self.context.translate(_("Student code not unique"))
return json.dumps({'status' : status,
'status_msg' : status_msg,
'msg' : msg})
classlist = self.context
classlist.invokeFactory('upfront.classlist.content.learner',
learner_code,
title=learner_name)
new_learner = classlist._getOb(learner_code)
new_learner.code = learner_code
new_learner.name = learner_name
new_learner.gender = learner_gender
new_learner.home_language = RelationValue(int(learner_lang_id))
notify(ObjectModifiedEvent(new_learner))
learner_id = new_learner.id
learner_editurl = '%s/edit' % new_learner.absolute_url()
# success
status = 'info' # class in the template
status_msg = self.context.translate(_('info')) # content string
msg = self.context.translate(_("New learner added"))
return json.dumps({'learner_id' : learner_id,
'learner_code' : learner_code,
'learner_name' : learner_name,
'learner_editurl' : learner_editurl,
'learner_gender' : learner_gender,
'learner_lang' : learner_lang,
'status' : status,
'status_msg' : status_msg,
'msg' : msg})
def validate(self, value):
super(LearnerCodeValidator, self).validate(value)
catalog = getToolByName(self.context, 'portal_catalog')
result = catalog(portal_type='upfront.classlist.content.learner',
id=value)
count = len(result)
# we are editing a learner without changing the value
if count == 1 and result[0].UID == IUUID(self.context):
return True
elif count > 0:
raise Invalid(
_(u"This learner code already "
"exists in the system. The learner code "
"must be unique."))
def male_str(self):
return self.context.translate(_("Male"))
from five import grok
from zope.app.intid.interfaces import IIntIds
from zope.component import getUtility
from zope.component.hooks import getSite
from zope.schema.interfaces import IContextSourceBinder
from zope.schema.vocabulary import SimpleVocabulary
from zope.schema.vocabulary import SimpleTerm
from upfront.classlist import MessageFactory as _
GENDER = SimpleVocabulary([
SimpleTerm(value=u'Male', title=_(u'Male')),
SimpleTerm(value=u'Female', title=_(u'Female'))
])
@grok.provider(IContextSourceBinder)
def availableLanguages(context):
terms = []
# This method can assume that the language topic tree is in a fixed location
# in the site eg /topictrees/language for now.
portal_state = context.restrictedTraverse('@@plone_portal_state')
portal = portal_state.portal()
language_folder = portal.topictrees.language
topics = language_folder.getFolderContents()
for brain in topics:
def male_str(self):
return self.context.translate(_("Male"))
def female_str(self):
return self.context.translate(_("Female"))
from five import grok
from zope.app.intid.interfaces import IIntIds
from zope.component import getUtility
from zope.component.hooks import getSite
from zope.schema.interfaces import IContextSourceBinder
from zope.schema.vocabulary import SimpleVocabulary
from zope.schema.vocabulary import SimpleTerm
from upfront.classlist import MessageFactory as _
GENDER = SimpleVocabulary(
[SimpleTerm(value=u'Male', title=_(u'Male')),
SimpleTerm(value=u'Female', title=_(u'Female'))]
)
@grok.provider(IContextSourceBinder)
def availableLanguages(context):
terms = []
# This method can assume that the language topic tree is in a fixed location
# in the site eg /topictrees/language for now.
portal_state = context.restrictedTraverse('@@plone_portal_state')
portal = portal_state.portal()
language_folder = portal.topictrees.language
topics = language_folder.getFolderContents()
for brain in topics:
topic = brain.getObject()
def __call__(self):
""" Export all learners from a classlist into an excel file, do nothing
if the class is empty.
"""
csv_content = None
# It is safe to do this at the moment, because the view is bound
# to IClasslist.
contentFilter = {'portal_type': 'upfront.classlist.content.learner'}
contentFilter['sort_on'] = "id"
contentFilter['sort_order'] = "ascending"
learners = self.context.getFolderContents(contentFilter,
full_objects=True)
learner_csv = StringIO()
ezxf = xlwt.easyxf
headings = [self.context.translate(_('Code')),
self.context.translate(_('Name')),
self.context.translate(_('Gender')),
self.context.translate(_('Language'))]
kinds = 'text text text text'.split()
if learners is not None and len(learners) > 0:
data = []
for learner in learners:
data.append([learner.id,
learner.name,
learner.gender,
learner.home_language.to_object.title]
)
heading_xf = ezxf('font: bold on; align: wrap on, '
'vert centre, horiz center')
kind_to_xf_map = {
'text': ezxf(),
# other examples
# 'date': ezxf(num_format_str='yyyy-mm-dd'),
#'int': ezxf(num_format_str='#,##0'),
#'money': ezxf('font: italic on; pattern: pattern solid,
# fore-colour grey25',
# num_format_str='$#,##0.00'),
#'price': ezxf(num_format_str='#0.000000'),
}
data_xfs = [kind_to_xf_map[k] for k in kinds]
book = xlwt.Workbook()
sheet = book.add_sheet(self.context.title) # XXX make sure it is utf
# sanitized
rowx = 0
for colx, value in enumerate(headings):
sheet.write(rowx, colx, value, heading_xf)
sheet.set_panes_frozen(True) # frozen headings instead of
# split panes
sheet.set_horz_split_pos(rowx+1) # in general, freeze after last
# heading row
sheet.set_remove_splits(True) # if user does unfreeze, don't leave
# a split there
for row in data:
rowx += 1
for colx, value in enumerate(row):
sheet.write(rowx, colx, value, data_xfs[colx])
book.save(learner_csv)
csv_content = learner_csv.getvalue()
learner_csv.close()
now = DateTime()
nice_filename = 'classlist-%s' % self.context.title
self.request.response.setHeader("Content-Disposition",
"attachment; filename=%s.xls" %
nice_filename)
self.request.response.setHeader("Content-Type", "text/csv")
self.request.response.setHeader("Content-Length", len(csv_content))
self.request.response.setHeader('Last-Modified',
DateTime.rfc822(DateTime()))
self.request.response.setHeader("Cache-Control", "no-store")
self.request.response.setHeader("Pragma", "no-cache")
self.request.response.write(csv_content)
else:
msg = _('The classlist has no learners')
IStatusMessage(self.request).addStatusMessage(msg,"info")
self.request.response.redirect(
'/'.join(self.context.getPhysicalPath()))
return csv_content
def unknown_str(self):
return self.context.translate(_("Unknown"))
def unknown_str(self):
return self.context.translate(_("Unknown"))
def female_str(self):
return self.context.translate(_("Female"))
def __call__(self):
""" Add a learner to a classlist """
learner_code = self.request.get('learner_code', '')
learner_name = self.request.get('learner_name', '')
learner_gender = self.request.get('learner_gender', '')
learner_lang_id = self.request.get('learner_lang_id', '')
learner_lang = self.request.get('learner_lang', '')
if learner_name == '' or learner_code == '':
status = 'error' # class in the template
status_msg = self.context.translate(_('error')) # content string
msg = self.context.translate(_("Field cannot be empty"))
return json.dumps({
'status': status,
'status_msg': status_msg,
'msg': msg
})
# validate that student code is unique
status = ''
catalog = getToolByName(self.context, 'portal_catalog')
result = catalog(id=learner_code)
if len(result) != 0:
status = 'error' # class in the template
status_msg = self.context.translate(_('error')) # content string
msg = self.context.translate(_("Student code not unique"))
return json.dumps({
'status': status,
'status_msg': status_msg,
'msg': msg
})
classlist = self.context
classlist.invokeFactory('upfront.classlist.content.learner',
learner_code,
title=learner_name)
new_learner = classlist._getOb(learner_code)
new_learner.code = learner_code
new_learner.name = learner_name
new_learner.gender = learner_gender
new_learner.home_language = RelationValue(int(learner_lang_id))
notify(ObjectModifiedEvent(new_learner))
learner_id = new_learner.id
learner_editurl = '%s/edit' % new_learner.absolute_url()
# success
status = 'info' # class in the template
status_msg = self.context.translate(_('info')) # content string
msg = self.context.translate(_("New learner added"))
return json.dumps({
'learner_id': learner_id,
'learner_code': learner_code,
'learner_name': learner_name,
'learner_editurl': learner_editurl,
'learner_gender': learner_gender,
'learner_lang': learner_lang,
'status': status,
'status_msg': status_msg,
'msg': msg
})