# # Copyright (c) 2006 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 # """ View class for resource objects. $Id$ """ from zope.cachedescriptors.property import Lazy from zope.app import zapi from zope.app.catalog.interfaces import ICatalog from zope.app.dublincore.interfaces import ICMFDublinCore from zope.proxy import removeAllProxies from zope.security import canAccess, canWrite from zope.security.proxy import removeSecurityProxy from loops.interfaces import IDocument, IMediaAsset from loops.browser.common import BaseView from loops.browser.concept import ConceptRelationView, ConceptConfigureView renderingFactories = { 'text/plain': 'zope.source.plaintext', 'text/stx': 'zope.source.stx', 'text/structured': 'zope.source.stx', 'text/rest': 'zope.source.rest', 'text/restructured': 'zope.source.rest', } class ResourceView(BaseView): def concepts(self): for r in self.context.getConceptRelations(): yield ConceptRelationView(r, self.request) class ResourceConfigureView(ResourceView, ConceptConfigureView): def update(self): request = self.request action = request.get('action') if action is None: return True if action == 'create': self.createAndAssign() return True tokens = request.get('tokens', []) for token in tokens: parts = token.split(':') token = parts[0] if len(parts) > 1: relToken = parts[1] concept = self.loopsRoot.loopsTraverse(token) if action == 'assign': predicate = request.get('predicate') or None if predicate: predicate = removeSecurityProxy( self.loopsRoot.loopsTraverse(predicate)) self.context.assignConcept(removeSecurityProxy(concept), predicate) elif action == 'remove': predicate = self.loopsRoot.loopsTraverse(relToken) self.context.deassignConcept(concept, [predicate]) return True def search(self): request = self.request if request.get('action') != 'search': return [] searchTerm = request.get('searchTerm', None) searchType = request.get('searchType', None) result = [] if searchTerm or searchType != 'none': criteria = {} if searchTerm: criteria['loops_title'] = searchTerm if searchType: if searchType.endswith('*'): start = searchType[:-1] end = start + '\x7f' else: start = end = searchType criteria['loops_type'] = (start, end) cat = zapi.getUtility(ICatalog) result = cat.searchResults(**criteria) else: result = self.loopsRoot.getConceptManager().values() if searchType == 'none': result = [r for r in result if r.conceptType is None] return self.viewIterator(result) class DocumentView(ResourceView): def render(self): """ Return the rendered content (data) of the context object. """ text = self.context.data typeKey = renderingFactories.get(self.context.contentType, None) if typeKey is None: return text source = zapi.createObject(typeKey, text) view = zapi.getMultiAdapter((removeAllProxies(source), self.request)) return view.render()