class AddForm(form.Form):
template = viewpagetemplatefile.ViewPageTemplateFile('crud-add.pt')
label = _(u"Add")
ignoreContext = True
ignoreRequest = True
@property
def prefix(self):
parent_prefix = getattr(self.context, 'prefix', '')
return 'crud-add.' + parent_prefix
@property
def fields(self):
return field.Fields(self.context.add_schema)
@button.buttonAndHandler(_('Add'), name='add')
def handle_add(self, action):
data, errors = self.extractData()
if errors:
self.status = form.AddForm.formErrorsMessage
return
try:
item = self.context.add(data)
except zope.schema.ValidationError, e:
self.status = e
else:
def handle_edit(self, action):
success = _(u"Successfully updated")
partly_success = _(u"Some of your changes could not be applied.")
status = no_changes = _(u"No changes made.")
for subform in self.subforms:
# With the ``extractData()`` call, validation will occur,
# and errors will be stored on the widgets amongst other
# places. After this we have to be extra careful not to
# call (as in ``__call__``) the subform again, since
# that'll remove the errors again. With the results that
# no changes are applied but also no validation error is
# shown.
data, errors = subform.extractData()
if errors:
if status is no_changes:
status = subform.formErrorsMessage
elif status is success:
status = partly_success
continue
del data["select"]
self.context.before_update(subform.content, data)
changes = subform.applyChanges(data)
if changes:
if status is no_changes:
status = success
elif status is subform.formErrorsMessage:
status = partly_success
# If there were changes, we'll update the view widgets
# again, so that they'll actually display the changes
for widget in subform.widgets.values():
if widget.mode == DISPLAY_MODE:
widget.update()
zope.event.notify(z3c.form.widget.AfterWidgetUpdateEvent(widget))
self.status = status
def _select_field(self):
select_field = field.Field(
zope.schema.Bool(__name__='select',
required=False,
title=_(u'select')))
select_field.widgetFactory[INPUT_MODE] = singlecheckboxwidget_factory
return select_field
def _select_field(self):
select_field = field.Field(
zope.schema.Bool(__name__='select',
required=False,
title=_(u'select')))
select_field.widgetFactory[INPUT_MODE] = singlecheckboxwidget_factory
return select_field
def __call__(self):
pages = []
batch = self.context
if batch.total == 1:
return u""
else:
if batch.number > 1:
pages.append(dict(label=_("Previous"), link=self.make_link(page=batch.number - 2)))
for index in range(batch.total):
link = index != batch.number - 1 and self.make_link(page=index) or None
pages.append(dict(label=unicode(index + 1), link=link))
if batch.number < batch.total:
pages.append(dict(label=_("Next"), link=self.make_link(page=batch.number)))
return self.template(batch=batch, pages=pages)
def handle_delete(self, action):
selected = self.selected_items()
if selected:
self.status = _(u"Successfully deleted items.")
for id, item in selected:
try:
self.context.remove((id, item))
except ConflictError:
raise
except:
# In case an exception is raised, we'll catch it
# and notify the user; in general, this is
# unexpected behavior:
self.status = _(u"Unable to remove one or more items.")
break
# We changed the amount of entries, so we update the subforms again.
self._update_subforms()
else:
self.status = _(u"Please select items to delete.")
def handle_delete(self, action):
selected = self.selected_items()
if selected:
self.status = _(u"Successfully deleted items.")
for id, item in selected:
try:
self.context.remove((id, item))
except ConflictError:
raise
except:
# In case an exception is raised, we'll catch it
# and notify the user; in general, this is
# unexpected behavior:
self.status = _(u'Unable to remove one or more items.')
break
# We changed the amount of entries, so we update the subforms again.
self._update_subforms()
else:
self.status = _(u"Please select items to delete.")
def handle_add(self, action):
data, errors = self.extractData()
if errors:
self.status = form.AddForm.formErrorsMessage
return
try:
item = self.context.add(data)
except zope.schema.ValidationError as e:
self.status = e
else:
zope.event.notify(zope.lifecycleevent.ObjectCreatedEvent(item))
self.status = _(u"Item added successfully.")
def handle_add(self, action):
data, errors = self.extractData()
if errors:
self.status = form.AddForm.formErrorsMessage
return
try:
item = self.context.add(data)
except zope.schema.ValidationError as e:
self.status = e
else:
zope.event.notify(zope.lifecycleevent.ObjectCreatedEvent(item))
self.status = _(u"Item added successfully.")
class ExtensibleForm(GroupForm):
groups = []
default_fieldset_label = _(u"Default")
def update(self):
self.updateFields()
super(ExtensibleForm, self).update()
def updateFields(self):
extenders = getAdapters((self.context, self.request, self),
IFormExtender)
for name, extender in sorted(extenders, key=order_key):
extender.update()
def handle_edit(self, action):
success = _(u"Successfully updated")
partly_success = _(u"Some of your changes could not be applied.")
status = no_changes = _(u"No changes made.")
for subform in self.subforms:
# With the ``extractData()`` call, validation will occur,
# and errors will be stored on the widgets amongst other
# places. After this we have to be extra careful not to
# call (as in ``__call__``) the subform again, since
# that'll remove the errors again. With the results that
# no changes are applied but also no validation error is
# shown.
data, errors = subform.extractData()
if errors:
if status is no_changes:
status = subform.formErrorsMessage
elif status is success:
status = partly_success
continue
del data['select']
self.context.before_update(subform.content, data)
changes = subform.applyChanges(data)
if changes:
if status is no_changes:
status = success
elif status is subform.formErrorsMessage:
status = partly_success
# If there were changes, we'll update the view widgets
# again, so that they'll actually display the changes
for widget in subform.widgets.values():
if widget.mode == DISPLAY_MODE:
widget.update()
zope.event.notify(
z3c.form.widget.AfterWidgetUpdateEvent(widget))
self.status = status
def fields(self):
return field.Fields(self.context.add_schema)
@button.buttonAndHandler(_("Add"), name="add")
def handle_add(self, action):
data, errors = self.extractData()
if errors:
self.status = form.AddForm.formErrorsMessage
return
try:
item = self.context.add(data)
except zope.schema.ValidationError, e:
self.status = e
else:
zope.event.notify(zope.lifecycleevent.ObjectCreatedEvent(item))
self.status = _(u"Item added successfully.")
class NullForm(object):
def __init__(self, context, request):
self.context = context
self.request = request
def update(self):
pass
def render(self):
return ""
__call__ = render
class EditForm(form.Form):
label = _(u"Edit")
template = viewpagetemplatefile.ViewPageTemplateFile('crud-table.pt')
#exposes the edit sub form for your own derivatives
editsubform_factory = EditSubForm
@property
def prefix(self):
parent_prefix = getattr(self.context, 'prefix', '')
return 'crud-edit.' + parent_prefix
def update(self):
self._update_subforms()
super(EditForm, self).update()
def _update_subforms(self):
self.subforms = []
for id, item in self.batch:
subform = self.editsubform_factory(self, self.request)
subform.content = item
subform.content_id = id
subform.update()
self.subforms.append(subform)
@property
def batch(self):
items = self.context.get_items()
batch_size = self.context.batch_size or sys.maxint
page = int(self.request.get('%spage' % self.prefix, 0))
return Batch.fromPagenumber(items, batch_size, page + 1)
def render_batch_navigation(self):
bv = CrudBatchView(self.context, self.request)
bv.prefix = self.prefix
return bv(self.batch)
@button.buttonAndHandler(_('Apply changes'),
name='edit',
condition=lambda form: form.context.update_schema)
def handle_edit(self, action):
success = _(u"Successfully updated")
partly_success = _(u"Some of your changes could not be applied.")
status = no_changes = _(u"No changes made.")
for subform in self.subforms:
# With the ``extractData()`` call, validation will occur,
# and errors will be stored on the widgets amongst other
# places. After this we have to be extra careful not to
# call (as in ``__call__``) the subform again, since
# that'll remove the errors again. With the results that
# no changes are applied but also no validation error is
# shown.
data, errors = subform.extractData()
if errors:
if status is no_changes:
status = subform.formErrorsMessage
elif status is success:
status = partly_success
continue
del data['select']
self.context.before_update(subform.content, data)
changes = subform.applyChanges(data)
if changes:
if status is no_changes:
status = success
elif status is subform.formErrorsMessage:
status = partly_success
# If there were changes, we'll update the view widgets
# again, so that they'll actually display the changes
for widget in subform.widgets.values():
if widget.mode == DISPLAY_MODE:
widget.update()
zope.event.notify(
z3c.form.widget.AfterWidgetUpdateEvent(widget))
self.status = status
@button.buttonAndHandler(_('Delete'), name='delete')
def handle_delete(self, action):
selected = self.selected_items()
if selected:
self.status = _(u"Successfully deleted items.")
for id, item in selected:
try:
self.context.remove((id, item))
except ConflictError:
raise
except:
# In case an exception is raised, we'll catch it
# and notify the user; in general, this is
# unexpected behavior:
self.status = _(u'Unable to remove one or more items.')
break
# We changed the amount of entries, so we update the subforms again.
self._update_subforms()
else:
self.status = _(u"Please select items to delete.")
def selected_items(self):
tuples = []
for subform in self.subforms:
data = subform.widgets['select'].extract()
if not data or data is NOVALUE:
continue
else:
tuples.append((subform.content_id, subform.content))
return tuples
def fields(self):
return field.Fields(self.context.add_schema)
@button.buttonAndHandler(_('Add'), name='add')
def handle_add(self, action):
data, errors = self.extractData()
if errors:
self.status = form.AddForm.formErrorsMessage
return
try:
item = self.context.add(data)
except zope.schema.ValidationError, e:
self.status = e
else:
zope.event.notify(zope.lifecycleevent.ObjectCreatedEvent(item))
self.status = _(u"Item added successfully.")
class NullForm(object):
def __init__(self, context, request):
self.context = context
self.request = request
def update(self):
pass
def render(self):
return ''
__call__ = render