# -*- coding: utf-8 -*- # Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details. import copy import logging from lxml import etree, html from flectra.exceptions import AccessError from flectra import api, fields, models from flectra.tools import pycompat _logger = logging.getLogger(__name__) class IrUiView(models.Model): _inherit = 'ir.ui.view' @api.multi def render(self, values=None, engine='ir.qweb'): if values and values.get('editable'): try: self.check_access_rights('write') self.check_access_rule('write') except AccessError: values['editable'] = False return super(IrUiView, self).render(values=values, engine=engine) #------------------------------------------------------ # Save from html #------------------------------------------------------ @api.model def extract_embedded_fields(self, arch): return arch.xpath('//*[@data-oe-model != "ir.ui.view"]') @api.model def get_default_lang_code(self): return False @api.model def save_embedded_field(self, el): Model = self.env[el.get('data-oe-model')] field = el.get('data-oe-field') model = 'ir.qweb.field.' + el.get('data-oe-type') converter = self.env[model] if model in self.env else self.env['ir.qweb.field'] value = converter.from_html(Model, Model._fields[field], el) if value is not None: # TODO: batch writes? if not self.env.context.get('lang') and self.get_default_lang_code(): Model.browse(int(el.get('data-oe-id'))).with_context(lang=self.get_default_lang_code()).write({field: value}) else: Model.browse(int(el.get('data-oe-id'))).write({field: value}) 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) @api.multi def replace_arch_section(self, section_xpath, replacement): # the root of the arch section shouldn't actually be replaced as it's # not really editable itself, only the content truly is editable. self.ensure_one() arch = etree.fromstring(self.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 @api.model def to_field_ref(self, el): # filter out meta-information inserted in the document attributes = {k: v for k, v in el.attrib.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 @api.multi def save(self, value, xpath=None): """ Update a view section. The view section may embed fields to write :param str xpath: valid xpath to the tag to replace """ 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(arch_section) return for el in self.extract_embedded_fields(arch_section): self.save_embedded_field(el) # transform embedded field back to t-field el.getparent().replace(el, self.to_field_ref(el)) for view in self: arch = view.replace_arch_section(xpath, arch_section) view.write({'arch': view._pretty_arch(arch)}) self.sudo().mapped('model_data_id').write({'noupdate': True}) @api.model def _view_obj(self, view_id): if isinstance(view_id, pycompat.string_types): return self.env.ref(view_id) elif isinstance(view_id, pycompat.integer_types): return self.browse(view_id) # assume it's already a view object (WTF?) return view_id # Returns all views (called and inherited) related to a view # Used by translation mechanism, SEO and optional templates @api.model def _views_get(self, view_id, options=True, bundles=False, root=True): """ For a given view ``view_id``, should return: * the view itself * all views inheriting from it, enabled or not - but not the optional children of a non-enabled child * all views called from it (via t-call) :returns recordset of ir.ui.view """ try: view = self._view_obj(view_id) except ValueError: _logger.warning("Could not find view object with view_id '%s'", view_id) return [] while root and view.inherit_id: view = view.inherit_id views_to_return = view node = etree.fromstring(view.arch) xpath = "//t[@t-call]" if bundles: xpath += "| //t[@t-call-assets]" for child in node.xpath(xpath): try: called_view = self._view_obj(child.get('t-call', child.get('t-call-assets'))) except ValueError: continue if called_view not in views_to_return: views_to_return += self._views_get(called_view, options=options, bundles=bundles) extensions = view.inherit_children_ids if not options: # only active children extensions = view.inherit_children_ids.filtered(lambda view: view.active) # Keep options in a deterministic order regardless of their applicability for extension in extensions.sorted(key=lambda v: v.id): # only return optional grandchildren if this child is enabled for ext_view in self._views_get(extension, options=extension.active, root=False): if ext_view not in views_to_return: views_to_return += ext_view return views_to_return @api.model def get_related_views(self, key, bundles=False): """ Get inherit view's informations of the template ``key``. returns templates info (which can be active or not) ``bundles=True`` returns also the asset bundles """ user_groups = set(self.env.user.groups_id) views = self.with_context(active_test=False)._views_get(key, bundles=bundles) return views.filtered(lambda v: not v.groups_id or len(user_groups.intersection(v.groups_id)))