cb194f0f24
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1354 fd906abe-77d9-0310-91a1-e0d9ade77398
267 lines
7.5 KiB
Python
267 lines
7.5 KiB
Python
#
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# Copyright (c) 2006 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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Common base class for loops browser view classes.
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$Id$
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"""
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from zope.app import zapi
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from zope.app.dublincore.interfaces import IZopeDublinCore
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from zope.app.form.browser.interfaces import ITerms
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from zope.cachedescriptors.property import Lazy
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from zope.dottedname.resolve import resolve
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from zope.formlib import form
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from zope.formlib.form import FormFields
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from zope.formlib.namedtemplate import NamedTemplate
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from zope.interface import Interface, implements
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from zope.app.publisher.browser import applySkin
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from zope.publisher.interfaces.browser import ISkin
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from zope import schema
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from zope.schema.vocabulary import SimpleTerm
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from zope.security import canAccess, canWrite
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from zope.security.proxy import removeSecurityProxy
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from cybertools.browser.view import GenericView
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from cybertools.relation.interfaces import IRelationRegistry
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from cybertools.typology.interfaces import IType, ITypeManager
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from loops.interfaces import IView
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from loops.type import ITypeConcept
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from loops import util
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from loops.util import _
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class NameField(schema.ASCIILine):
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def _validate(self, value):
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super(NameField, self)._validate(value)
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class IAddForm(Interface):
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name = NameField(
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title=_(u'Object name'),
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description=_(u'Name of the object - will be used for addressing the '
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'object via a URL; should therefore be unique within '
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'the container and not contain special characters')
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)
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class AddForm(form.AddForm):
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form_fields = FormFields(IAddForm)
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template = NamedTemplate('loops.pageform')
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class EditForm(form.EditForm):
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template = NamedTemplate('loops.pageform')
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def deleteObjectAction(self):
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return None # better not to show the edit button at the moment
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parent = zapi.getParent(self.context)
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parentUrl = zapi.absoluteURL(parent, self.request)
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return parentUrl + '/contents.html'
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class BaseView(GenericView):
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def __init__(self, context, request):
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# TODO: get rid of removeSecurityProxy() call
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super(BaseView, self).__init__(context, request)
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self.context = removeSecurityProxy(context)
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self.setSkin(self.loopsRoot.skinName)
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def setSkin(self, skinName):
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skin = None
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if skinName and IView.providedBy(self.context):
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skin = zapi.queryUtility(ISkin, 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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@Lazy
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def modified(self):
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""" get date/time of last modification
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"""
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dc = IZopeDublinCore(self.context)
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d = dc.modified or dc.created
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return d and d.strftime('%Y-%m-%d %H:%M') or ''
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@Lazy
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def loopsRoot(self):
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return self.context.getLoopsRoot()
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@Lazy
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def url(self):
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return zapi.absoluteURL(self.context, self.request)
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@Lazy
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def view(self):
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return self
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@Lazy
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def token(self):
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return self.loopsRoot.getLoopsUri(self.context)
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@Lazy
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def title(self):
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return self.context.title or zapi.getName(self.context)
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@Lazy
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def dcTitle(self):
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return IZopeDublinCore(self.context).title or self.title
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@Lazy
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def headTitle(self):
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return self.dcTitle
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@Lazy
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def value(self):
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return self.context
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@Lazy
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def type(self):
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return IType(self.context)
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@Lazy
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def typeProvider(self):
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return self.type.typeProvider
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@Lazy
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def typeInterface(self):
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return self.type.typeInterface
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@Lazy
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def typeAdapter(self):
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ifc = self.typeInterface
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if ifc is not None:
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return ifc(self.context)
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@Lazy
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def typeTitle(self):
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return self.type.title
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@Lazy
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def typeUrl(self):
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provider = self.typeProvider
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if provider is not None:
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return zapi.absoluteURL(provider, self.request)
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return None
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def viewIterator(self, objs):
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request = self.request
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for o in objs:
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yield BaseView(o, request)
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def typesForSearch(self):
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general = [('loops:resource:*', 'Any Resource'),
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('loops:concept:*', 'Any Concept'),]
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return util.KeywordVocabulary(general + sorted([(t.tokenForSearch, t.title)
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for t in ITypeManager(self.context).types])
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+ [('loops:*', 'Any')])
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def conceptTypesForSearch(self):
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general = [('loops:concept:*', 'Any Concept'),]
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return util.KeywordVocabulary(general + sorted([(t.tokenForSearch, t.title)
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for t in ITypeManager(self.context).types
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if 'concept' in t.qualifiers]))
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@Lazy
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def uniqueId(self):
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return zapi.getUtility(IRelationRegistry).getUniqueIdForObject(self.context)
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@Lazy
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def editable(self):
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return canWrite(self.context, 'title')
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def openEditWindow(self, viewName='edit.html'):
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if self.editable:
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return "openEditWindow('%s/@@%s')" % (self.url, viewName)
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return ''
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@Lazy
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def xeditable(self):
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return self.request.principal.id == 'rootadmin'
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#return getattr(self.context, 'contentType', '').startswith('text/')
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@Lazy
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def inlineEditingActive(self):
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#return False
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#return self.request.principal.id == 'rootadmin'
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# this may depend on system and user settings...
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return True
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inlineEditable = False
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def inlineEdit(self, id):
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self.registerDojo()
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return 'return inlineEdit("%s", "")' % id
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def registerDojo(self):
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cm = self.controller.macros
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cm.register('js', 'dojo.js', resourceName='ajax.dojo/dojo.js')
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class LoopsTerms(object):
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""" Provide the ITerms interface, e.g. for usage in selection
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lists.
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"""
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implements(ITerms)
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def __init__(self, source, request):
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# the source parameter is a view or adapter of a real context object:
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self.source = source
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self.context = source.context
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self.request = request
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@Lazy
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def loopsRoot(self):
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return self.context.getLoopsRoot()
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def getTerm(self, value):
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#if value is None:
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# return SimpleTerm(None, '', u'not assigned')
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title = value.title or zapi.getName(value)
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token = self.loopsRoot.getLoopsUri(value)
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return SimpleTerm(value, token, title)
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def getValue(self, token):
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return self.loopsRoot.loopsTraverse(token)
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class InterfaceTerms(object):
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""" Provide the ITerms interface for source list of interfaces.
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"""
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implements(ITerms)
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def __init__(self, source, request):
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self.source = source
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self.request = request
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def getTerm(self, value):
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token = '.'.join((value.__module__, value.__name__))
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return SimpleTerm(value, token, token)
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def getValue(self, token):
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return resolve(token)
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