# -*- coding: utf-8 -*- import copy import re import simplejson import werkzeug from lxml import etree, html from openerp import SUPERUSER_ID from openerp.addons.website.models import website from openerp.http import request from openerp.osv import osv, fields class view(osv.osv): _inherit = "ir.ui.view" _columns = { 'inherit_option_id': fields.many2one('ir.ui.view','Optional Inheritancy'), 'inherited_option_ids': fields.one2many('ir.ui.view','inherit_option_id','Optional Inheritancies'), 'page': fields.boolean("Whether this view is a web page template (complete)"), 'website_meta_title': fields.char("Website meta title", size=70, translate=True), 'website_meta_description': fields.text("Website meta description", size=160, translate=True), 'website_meta_keywords': fields.char("Website meta keywords", translate=True), } _defaults = { 'page': False, } # Returns all views (called and inherited) related to a view # Used by translation mechanism, SEO and optional templates def _views_get(self, cr, uid, view, options=True, context=None, root=True, stack_result=None): if not context: context = {} if not stack_result: stack_result = [] def view_obj(view): if isinstance(view, basestring): mod_obj = self.pool.get("ir.model.data") m, n = view.split('.') view = mod_obj.get_object(cr, uid, m, n, context=context) elif isinstance(view, (int, long)): view = self.pool.get("ir.ui.view").browse(cr, uid, view, context=context) return view try: view = view_obj(view) except ValueError: # Shall we log that ? return [] while root and view.inherit_id: view = view.inherit_id result = [view] node = etree.fromstring(view.arch) for child in node.xpath("//t[@t-call]"): try: call_view = view_obj(child.get('t-call')) except ValueError: continue if call_view not in result: result += self._views_get(cr, uid, call_view, options=options, context=context, stack_result=result) todo = view.inherit_children_ids if options: todo += filter(lambda x: not x.inherit_id, view.inherited_option_ids) # Keep options in a determinitic order whatever their enabled disabled status todo.sort(lambda x,y:cmp(x.id,y.id)) for child_view in todo: for r in self._views_get(cr, uid, child_view, options=bool(child_view.inherit_id), context=context, root=False, stack_result=result): if r not in result: result.append(r) return result def extract_embedded_fields(self, cr, uid, arch, context=None): return arch.xpath('//*[@data-oe-model != "ir.ui.view"]') def save_embedded_field(self, cr, uid, el, context=None): Model = self.pool[el.get('data-oe-model')] field = el.get('data-oe-field') column = Model._all_columns[field].column converter = self.pool['website.qweb'].get_converter_for( el.get('data-oe-type')) value = converter.from_html(cr, uid, Model, column, el) if value is not None: # TODO: batch writes? Model.write(cr, uid, [int(el.get('data-oe-id'))], { field: value }, context=context) def to_field_ref(self, cr, uid, el, context=None): # filter out meta-information inserted in the document attributes = dict((k, v) for k, v in el.items() if not k.startswith('data-oe-')) attributes['t-field'] = el.get('data-oe-expression') out = html.html_parser.makeelement(el.tag, attrib=attributes) out.tail = el.tail return out def replace_arch_section(self, cr, uid, view_id, section_xpath, replacement, context=None): # the root of the arch section shouldn't actually be replaced as it's # not really editable itself, only the content truly is editable. [view] = self.browse(cr, uid, [view_id], context=context) arch = etree.fromstring(view.arch.encode('utf-8')) # => get the replacement root if not section_xpath: root = arch else: # ensure there's only one match [root] = arch.xpath(section_xpath) root.text = replacement.text root.tail = replacement.tail # replace all children del root[:] for child in replacement: root.append(copy.deepcopy(child)) return arch def render(self, cr, uid, id_or_xml_id, values=None, engine='ir.qweb', context=None): if request and getattr(request, 'website_enabled', False): engine='website.qweb' if isinstance(id_or_xml_id, list): id_or_xml_id = id_or_xml_id[0] if not context: context = {} qcontext = dict( context.copy(), website=request.website, url_for=website.url_for, slug=website.slug, res_company=request.website.company_id, user_id=self.pool.get("res.users").browse(cr, uid, uid), translatable=context.get('lang') != request.website.default_lang_code, editable=request.website.is_publisher(), ) # add some values if values: qcontext.update(values) # in edit mode ir.ui.view will tag nodes context['inherit_branding'] = qcontext.get('editable', False) view_obj = request.website.get_template(id_or_xml_id) if 'main_object' not in qcontext: qcontext['main_object'] = view_obj values = qcontext return super(view, self).render(cr, uid, id_or_xml_id, values=values, engine=engine, context=context) def _pretty_arch(self, arch): # remove_blank_string does not seem to work on HTMLParser, and # pretty-printing with lxml more or less requires stripping # whitespace: http://lxml.de/FAQ.html#why-doesn-t-the-pretty-print-option-reformat-my-xml-output # so serialize to XML, parse as XML (remove whitespace) then serialize # as XML (pretty print) arch_no_whitespace = etree.fromstring( etree.tostring(arch, encoding='utf-8'), parser=etree.XMLParser(encoding='utf-8', remove_blank_text=True)) return etree.tostring( arch_no_whitespace, encoding='unicode', pretty_print=True) def save(self, cr, uid, res_id, value, xpath=None, context=None): """ Update a view section. The view section may embed fields to write :param str model: :param int res_id: :param str xpath: valid xpath to the tag to replace """ res_id = int(res_id) arch_section = html.fromstring( value, parser=html.HTMLParser(encoding='utf-8')) if xpath is None: # value is an embedded field on its own, not a view section self.save_embedded_field(cr, uid, arch_section, context=context) return for el in self.extract_embedded_fields(cr, uid, arch_section, context=context): self.save_embedded_field(cr, uid, el, context=context) # transform embedded field back to t-field el.getparent().replace(el, self.to_field_ref(cr, uid, el, context=context)) arch = self.replace_arch_section(cr, uid, res_id, xpath, arch_section, context=context) self.write(cr, uid, res_id, { 'arch': self._pretty_arch(arch) }, context=context) view = self.browse(cr, SUPERUSER_ID, res_id, context=context) if view.model_data_id: view.model_data_id.write({'noupdate': True})