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