# # Copyright (c) 2011 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 classes for lobo (blueprint-based) layouts. $Id$ """ from cgi import parse_qs from zope import interface, component from zope.app.pagetemplate import ViewPageTemplateFile from zope.cachedescriptors.property import Lazy from cybertools.typology.interfaces import IType from loops.browser.concept import ConceptView as BaseConceptView from loops.browser.concept import ConceptRelationView as BaseConceptRelationView from loops.browser.resource import ResourceView as BaseResourceView from loops.common import adapted, baseObject standard_template = ViewPageTemplateFile('standard.pt') class Base(BaseConceptView): template = standard_template templateName = 'lobo.standard' macroName = None @Lazy def macros(self): return self.controller.getTemplateMacros(self.templateName, self.template) @property def macro(self): return self.macros[self.macroName] @Lazy def params(self): ann = self.request.annotations.get('loops.view', {}) return parse_qs(ann.get('params') or '') class ConceptView(BaseConceptView): idx = 0 def __init__(self, context, request): super(ConceptView, self).__init__(baseObject(context), request) @Lazy def resources(self): result = dict(texts=[], images=[], files=[]) for r in self.context.getResources([self.defaultPredicate]): if r.contentType.startswith('text/'): result['texts'].append(r) if r.contentType.startswith('image/'): result['images'].append(r) else: result['files'].append(r) return result @Lazy def images(self): for r in self.resources['images']: yield r # properties from base class: title, description, renderedDescription @Lazy def renderedText(self): for r in self.resources['texts']: return self.renderText(r.data, r.contentType) @Lazy def textDescription(self): for r in self.resources['texts']: return r.description @Lazy def renderedTextDescription(self): if self.textDescription is None: return u'' return self.renderDescription(self.textDescription) @Lazy def targetUrl(self): return self.nodeView.getUrlForTarget(self.context) @Lazy def cssClass(self): pattern = self.parentView.gridPattern if pattern: return pattern[self.idx % len(pattern)] @Lazy def style(self): return 'height: %s' % self.parentView.height @Lazy def img(self): self.registerDojoLightbox() # also provides access to info popup for r in self.parentView.parent.images: # fetch from iterator on layout object: avoid duplicates url = self.nodeView.getUrlForTarget(r) src = ('%s/mediaasset.html?v=%s' % (url, self.parentView.imageSize)) fullSrc = ('%s/mediaasset.html?v=%s' % (url, self.parentView.fullImageSize)) adImg = adapted(r) showInfo = adImg.showInfo and adImg.metaInfo return dict(src=src, fullImageUrl=fullSrc, title=r.title, url=url, cssClass=self.parentView.imageCssClass, showInfo=showInfo) class Layout(Base, ConceptView): macroName = 'layout' def getParts(self): result = [] parts = (self.params.get('parts') or [''])[0].split(',') # obsolete if not parts or not parts[0]: parts = (self.options('parts') or self.typeOptions('parts') or ['h1', 'g3']) ti = adapted(self.context.conceptType).typeInterface for p in parts: viewName = 'lobo_' + p view = component.queryMultiAdapter((self.context, self.request), name=viewName) if view is not None: view.parent = self result.append(view) return result class BasePart(Base): imageSize = 'small' fullImageSize = 'medium' imageCssClass = '' height = 260 gridPattern = [] showImage = True def getChildren(self): subtypeNames = (self.params.get('subtypes') or [''])[0].split(',') subtypes = [self.conceptManager[st] for st in subtypeNames if st] result = [] childRels = self.context.getChildRelations([self.defaultPredicate]) if subtypes: childRels = [r for r in childRels if r.second.conceptType in subtypes] for idx, r in enumerate(childRels): result.append(ConceptRelationView(r, self.request, contextIsSecond=True, parent=self, idx=idx)) return result def getView(self): view = component.getMultiAdapter((self.adapted, self.request), name='lobo_cell') view.parentView = self return view def getImages(self): result = [] for idx, img in enumerate(self.parent.images): result.append(ResourceView(img, self.request, parent=self, idx=idx)) return result class Grid3(BasePart): macroName = 'grid' imageSize = 'small' height = 'auto; padding-bottom: 10px' gridPattern = ['span-2', 'span-2', 'span-2 last'] class List1(BasePart): macroName = 'list' imageSize = 'small' gridPattern = [['span-2 clear', 'span-4 last']] class List2(BasePart): macroName = 'list' imageSize = 'medium' gridPattern = [['span-4 clear', 'span-2 last']] class Header0(BasePart): macroName = 'header' cssClass = ['span-6 last', 'clear'] showImage = False class Header1(BasePart): macroName = 'header' imageSize = 'small' cssClass = ['span-2', 'span-4 last', 'clear'] class Header2(BasePart): macroName = 'header' imageSize = 'medium' cssClass = ['span-4', 'span-2 last', 'clear'] # resource parts class ImageGrid3(BasePart): macroName = 'imagegrid' imageSize = 'small' height = 'auto; padding-bottom: 10px' gridPattern = ['span-2', 'span-2', 'span-2 last'] # relation views, used for cells (components) of lists and grids class ConceptRelationView(BaseConceptRelationView, ConceptView): def __init__(self, relation, request, contextIsSecond=False, parent=None, idx=0): BaseConceptRelationView.__init__(self, relation, request, contextIsSecond) self.parentView = parent self.idx = idx @Lazy def img(self): self.registerDojoLightbox() # also provides access to info popup for r in self.images: # fetch from iterator on layout object: avoid duplicates url = self.nodeView.getUrlForTarget(r) src = ('%s/mediaasset.html?v=%s' % (url, self.parentView.imageSize)) fullSrc = ('%s/mediaasset.html?v=%s' % (url, self.parentView.fullImageSize)) adImg = adapted(r) showInfo = adImg.showInfo and adImg.metaInfo return dict(src=src, fullImageUrl=fullSrc, title=r.title, url=url, cssClass=self.parentView.imageCssClass, showInfo=showInfo) class ResourceView(BaseResourceView): def __init__(self, resource, request, parent=None, idx=0): BaseResourceView.__init__(self, resource, request) self.parentView = parent self.idx = idx @Lazy def targetUrl(self): return self.nodeView.getUrlForTarget(self.context) @Lazy def cssClass(self): pattern = self.parentView.gridPattern if pattern: return pattern[self.idx % len(pattern)] @Lazy def style(self): return 'height: %s' % self.parentView.height @Lazy def img(self): self.registerDojoLightbox() # also provides access to info popup url = self.nodeView.getUrlForTarget(self.context) src = ('%s/mediaasset.html?v=%s' % (url, self.parentView.imageSize)) fullSrc = ('%s/mediaasset.html?v=%s' % (url, self.parentView.fullImageSize)) adImg = adapted(self.context) showInfo = adImg.showInfo and adImg.metaInfo return dict(src=src, fullImageUrl=fullSrc, title=self.context.title, url=url, cssClass=self.parentView.imageCssClass, showInfo=showInfo)