d2963ca3be
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3951 fd906abe-77d9-0310-91a1-e0d9ade77398
136 lines
4.4 KiB
Python
136 lines
4.4 KiB
Python
#
|
|
# Copyright (c) 2010 Helmut Merz helmutm@cy55.de
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
"""
|
|
Controller for views, templates, macros.
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from zope import component
|
|
from zope.app.pagetemplate import ViewPageTemplateFile
|
|
from zope.cachedescriptors.property import Lazy
|
|
|
|
from cybertools.browser.configurator import IViewConfigurator, IMacroViewProperty
|
|
from cybertools.browser.member import IMemberInfoProvider
|
|
from cybertools.util.jeep import Jeep
|
|
|
|
|
|
# layout controller: collects information about head elements, skins, portlets, etc
|
|
|
|
class Controller(object):
|
|
|
|
def __init__(self, context, request):
|
|
self.view = view = context # the controller is adapted to a view
|
|
self.context = context.context
|
|
self.request = request
|
|
self.params = Jeep()
|
|
self.configure()
|
|
#self.view.setupController()
|
|
self.view.controller = self # notify the view
|
|
self.templates = {}
|
|
|
|
skin = None # may be overwritten by the view
|
|
|
|
@Lazy
|
|
def macros(self):
|
|
return Macros(self)
|
|
|
|
@Lazy
|
|
def resourceBase(self):
|
|
skinSetter = self.skin and ('/++skin++' + self.skin.__name__) or ''
|
|
# TODO: put '/@@' etc after path to site instead of directly after URL0
|
|
return self.request.URL[0] + skinSetter + '/@@/'
|
|
|
|
def configure(self):
|
|
# collect multiple configurators:
|
|
configurators = component.getAdapters((self.context, self.request),
|
|
IViewConfigurator)
|
|
for conf in configurators:
|
|
configurator = conf[1]
|
|
for item in configurator.getActiveViewProperties():
|
|
if IMacroViewProperty.providedBy(item):
|
|
self.macros.register(item.slot, item.identifier,
|
|
item.template, item.name,
|
|
**item.params)
|
|
else:
|
|
setattr(self, item.slot, item)
|
|
|
|
@Lazy
|
|
def memberInfo(self):
|
|
provider = component.queryMultiAdapter((self.context, self.request),
|
|
IMemberInfoProvider)
|
|
return provider is not None and provider.data or None
|
|
|
|
def getTemplateMacros(self, name, default):
|
|
template = self.templates.get(name)
|
|
if template is None:
|
|
template = default
|
|
return template.macros
|
|
|
|
|
|
class Macros(dict):
|
|
|
|
standardTemplate = ViewPageTemplateFile('base_macros.pt')
|
|
|
|
def __init__(self, controller):
|
|
self.controller = controller
|
|
self.identifiers = {}
|
|
|
|
def register(self, slot, identifier=None, template=None, name=None,
|
|
priority=50, **kw):
|
|
if identifier:
|
|
# make sure a certain resource is only registered once
|
|
if identifier in self.identifiers:
|
|
return
|
|
#self.identifiers.add(identifier)
|
|
self.identifiers[identifier] = True
|
|
if template is None:
|
|
template = self.standardTemplate
|
|
if name is None:
|
|
name = slot
|
|
macro = Macro(template, name, priority, identifier=identifier, **kw)
|
|
entry = self.setdefault(slot, [])
|
|
entry.append(macro)
|
|
|
|
def hide(self, identifier):
|
|
self.identifiers[identifier] = False
|
|
|
|
def __getitem__(self, key):
|
|
return [m for m in sorted(self.get(key, []), key=lambda x: x.priority)
|
|
if self.identifiers.get(m.identifier, True)]
|
|
|
|
|
|
class Macro(object):
|
|
|
|
identifier = ''
|
|
|
|
def __init__(self, template, name, priority, **kw):
|
|
self.template = template
|
|
self.name = name
|
|
self.priority = priority
|
|
for k in kw:
|
|
setattr(self, k, kw[k])
|
|
|
|
@Lazy
|
|
def macro(self):
|
|
return self.template.macros[self.name]
|
|
|
|
def __call__(self):
|
|
return self.macro
|
|
|