7ec9bbdc15
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2387 fd906abe-77d9-0310-91a1-e0d9ade77398
126 lines
4 KiB
Python
126 lines
4 KiB
Python
#
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# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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A generic view class.
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$Id$
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"""
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from zope import component
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from zope.interface import Interface, implements
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from zope.cachedescriptors.property import Lazy
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from zope.publisher.interfaces.browser import IBrowserSkinType
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from zope.app.pagetemplate import ViewPageTemplateFile
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mainTemplate = ViewPageTemplateFile('main.pt')
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popupTemplate = ViewPageTemplateFile('liquid/popup.pt')
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class UnboundTemplateFile(ViewPageTemplateFile):
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def __get__(self, instance, type):
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return self
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class BodyTemplateView(object):
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""" Dummy view used for providing a body template.
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"""
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bodyTemplate = UnboundTemplateFile('liquid/body.pt')
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class GenericView(object):
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index = mainTemplate
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template = macro = menu = skin = None
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_updated = False
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def setController(self, controller):
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# make the (one and only controller) available via the request
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viewAnnotations = self.request.annotations.setdefault('cybertools.browser', {})
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viewAnnotations['controller'] = controller
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#if getattr(controller, 'skinName', None) and controller.skinName.value:
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# self.setSkin(controller.skinName.value)
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controller.skin = self.skin
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# this is the place to register special macros with the controller:
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self.setupController()
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def getController(self):
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viewAnnotations = self.request.annotations.setdefault('cybertools.browser', {})
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cont = viewAnnotations.get('controller', None)
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if cont is None:
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cont = component.queryMultiAdapter((self, self.request), name='controller')
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if cont is not None:
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self.setController(cont)
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return cont
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controller = property(getController, setController)
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def __init__(self, context, request):
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self.context = self.__parent__ = context
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self.request = request
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#cont = self.controller # check: leads to strange AttributeError in doctest
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#if cont is not None:
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# self.setupController()
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def __call__(self, *args, **kw):
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# this is useful for a top-level page only
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return self.index(*args, **kw)
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def setupSubviews(self):
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pass
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#def render(self, *args, **kw):
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# return self.index(*args, **kw)
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def update(self):
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result = True
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if not self._updated:
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action = self.request.form.get('form.action')
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if action:
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fc = component.getMultiAdapter((self, self.request),
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name=action)
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result = fc.update()
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self._updated = True
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return result
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def setupController(self):
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""" May be called by __init__() if there is already a controller
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or when the controller is set. May be implemented by subclass.
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"""
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pass
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@Lazy
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def item(self):
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return self
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def pageBody(self):
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bodyTemplate = component.getMultiAdapter((self.context, self.request),
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name='body.html').bodyTemplate
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return bodyTemplate(self)
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def setSkin(self, skinName):
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skin = None
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if skinName:
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skin = component.queryUtility(IBrowserSkinType, skinName)
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if skin:
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applySkin(self.request, skin)
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self.skin = skin
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