1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as
9 # published by the Free Software Foundation, either version 3 of the
10 # License, or (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 ##############################################################################
25 from dateutil.relativedelta import relativedelta
30 from operator import itemgetter
35 from lxml import etree
38 from openerp import tools, api
39 from openerp.http import request
40 from openerp.osv import fields, osv, orm
41 from openerp.tools import graph, SKIPPED_ELEMENT_TYPES, SKIPPED_ELEMENTS
42 from openerp.tools.parse_version import parse_version
43 from openerp.tools.safe_eval import safe_eval as eval
44 from openerp.tools.view_validation import valid_view
45 from openerp.tools import misc
46 from openerp.tools.translate import _
48 _logger = logging.getLogger(__name__)
50 MOVABLE_BRANDING = ['data-oe-model', 'data-oe-id', 'data-oe-field', 'data-oe-xpath', 'data-oe-source-id']
52 def keep_query(*keep_params, **additional_params):
54 Generate a query string keeping the current request querystring's parameters specified
55 in ``keep_params`` and also adds the parameters specified in ``additional_params``.
57 Multiple values query string params will be merged into a single one with comma seperated
60 The ``keep_params`` arguments can use wildcards too, eg:
62 keep_query('search', 'shop_*', page=4)
64 if not keep_params and not additional_params:
66 params = additional_params.copy()
67 qs_keys = request.httprequest.args.keys()
68 for keep_param in keep_params:
69 for param in fnmatch.filter(qs_keys, keep_param):
70 if param not in additional_params and param in qs_keys:
71 params[param] = ','.join(request.httprequest.args.getlist(param))
72 return werkzeug.urls.url_encode(params)
74 class view_custom(osv.osv):
75 _name = 'ir.ui.view.custom'
76 _order = 'create_date desc' # search(limit=1) should return the last customization
78 'ref_id': fields.many2one('ir.ui.view', 'Original View', select=True, required=True, ondelete='cascade'),
79 'user_id': fields.many2one('res.users', 'User', select=True, required=True, ondelete='cascade'),
80 'arch': fields.text('View Architecture', required=True),
83 def name_get(self, cr, uid, ids, context=None):
84 return [(rec.id, rec.user_id.name) for rec in self.browse(cr, uid, ids, context=context)]
86 def name_search(self, cr, user, name, args=None, operator='ilike', context=None, limit=100):
90 ids = self.search(cr, user, [('user_id', operator, name)] + args, limit=limit)
91 return self.name_get(cr, user, ids, context=context)
92 return super(view_custom, self).name_search(cr, user, name, args=args, operator=operator, context=context, limit=limit)
95 def _auto_init(self, cr, context=None):
96 super(view_custom, self)._auto_init(cr, context)
97 cr.execute('SELECT indexname FROM pg_indexes WHERE indexname = \'ir_ui_view_custom_user_id_ref_id\'')
99 cr.execute('CREATE INDEX ir_ui_view_custom_user_id_ref_id ON ir_ui_view_custom (user_id, ref_id)')
101 def _hasclass(context, *cls):
102 """ Checks if the context node has all the classes passed as arguments
104 node_classes = set(context.context_node.attrib.get('class', '').split())
106 return node_classes.issuperset(cls)
108 xpath_utils = etree.FunctionNamespace(None)
109 xpath_utils['hasclass'] = _hasclass
114 def _get_model_data(self, cr, uid, ids, fname, args, context=None):
115 result = dict.fromkeys(ids, False)
116 IMD = self.pool['ir.model.data']
117 data_ids = IMD.search_read(cr, uid, [('res_id', 'in', ids), ('model', '=', 'ir.ui.view')], ['res_id'], context=context)
118 result.update(map(itemgetter('res_id', 'id'), data_ids))
121 def _views_from_model_data(self, cr, uid, ids, context=None):
122 IMD = self.pool['ir.model.data']
123 data_ids = IMD.search_read(cr, uid, [('id', 'in', ids), ('model', '=', 'ir.ui.view')], ['res_id'], context=context)
124 return map(itemgetter('res_id'), data_ids)
127 'name': fields.char('View Name', required=True),
128 'model': fields.char('Object', select=True),
129 'priority': fields.integer('Sequence', required=True),
130 'type': fields.selection([
134 ('calendar', 'Calendar'),
135 ('diagram','Diagram'),
137 ('kanban', 'Kanban'),
139 ('qweb', 'QWeb')], string='View Type'),
140 'arch': fields.text('View Architecture', required=True),
141 'inherit_id': fields.many2one('ir.ui.view', 'Inherited View', ondelete='restrict', select=True),
142 'inherit_children_ids': fields.one2many('ir.ui.view','inherit_id', 'Inherit Views'),
143 'field_parent': fields.char('Child Field'),
144 'model_data_id': fields.function(_get_model_data, type='many2one', relation='ir.model.data', string="Model Data",
146 _name: (lambda s, c, u, i, ctx=None: i, None, 10),
147 'ir.model.data': (_views_from_model_data, ['model', 'res_id'], 10),
149 'xml_id': fields.function(osv.osv.get_xml_id, type='char', size=128, string="External ID",
150 help="ID of the view defined in xml file"),
151 'groups_id': fields.many2many('res.groups', 'ir_ui_view_group_rel', 'view_id', 'group_id',
152 string='Groups', help="If this field is empty, the view applies to all users. Otherwise, the view applies to the users of those groups only."),
153 'model_ids': fields.one2many('ir.model.data', 'res_id', domain=[('model','=','ir.ui.view')], auto_join=True),
154 'create_date': fields.datetime('Create Date', readonly=True),
155 'write_date': fields.datetime('Last Modification Date', readonly=True),
157 'mode': fields.selection(
158 [('primary', "Base view"), ('extension', "Extension View")],
159 string="View inheritance mode", required=True,
160 help="""Only applies if this view inherits from an other one (inherit_id is not False/Null).
162 * if extension (default), if this view is requested the closest primary view
163 is looked up (via inherit_id), then all views inheriting from it with this
164 view's model are applied
165 * if primary, the closest primary view is fully resolved (even if it uses a
166 different model than this one), then this view's inheritance specs
167 (<xpath/>) are applied, and the result is used as if it were this view's
170 'active': fields.boolean("Active",
171 help="""If this view is inherited,
172 * if True, the view always extends its parent
173 * if False, the view currently does not extend its parent but can be enabled
181 _order = "priority,name"
183 # Holds the RNG schema
184 _relaxng_validator = None
187 if not self._relaxng_validator:
188 frng = tools.file_open(os.path.join('base','rng','view.rng'))
190 relaxng_doc = etree.parse(frng)
191 self._relaxng_validator = etree.RelaxNG(relaxng_doc)
193 _logger.exception('Failed to load RelaxNG XML schema for views validation')
196 return self._relaxng_validator
198 def _check_xml(self, cr, uid, ids, context=None):
201 context = dict(context, check_view_ids=ids)
203 # Sanity checks: the view should not break anything upon rendering!
204 # Any exception raised below will cause a transaction rollback.
205 for view in self.browse(cr, uid, ids, context):
206 view_def = self.read_combined(cr, uid, view.id, None, context=context)
207 view_arch_utf8 = view_def['arch']
208 if view.type != 'qweb':
209 view_doc = etree.fromstring(view_arch_utf8)
210 # verify that all fields used are valid, etc.
211 self.postprocess_and_fields(cr, uid, view.model, view_doc, view.id, context=context)
212 # RNG-based validation is not possible anymore with 7.0 forms
213 view_docs = [view_doc]
214 if view_docs[0].tag == 'data':
215 # A <data> element is a wrapper for multiple root nodes
216 view_docs = view_docs[0]
217 validator = self._relaxng()
218 for view_arch in view_docs:
219 version = view_arch.get('version', '7.0')
220 if parse_version(version) < parse_version('7.0') and validator and not validator.validate(view_arch):
221 for error in validator.error_log:
222 _logger.error(tools.ustr(error))
224 if not valid_view(view_arch):
230 "CHECK (mode != 'extension' OR inherit_id IS NOT NULL)",
231 "Invalid inheritance mode: if the mode is 'extension', the view must"
232 " extend an other view"),
235 (_check_xml, 'Invalid view definition', ['arch']),
238 def _auto_init(self, cr, context=None):
239 super(view, self)._auto_init(cr, context)
240 cr.execute('SELECT indexname FROM pg_indexes WHERE indexname = \'ir_ui_view_model_type_inherit_id\'')
241 if not cr.fetchone():
242 cr.execute('CREATE INDEX ir_ui_view_model_type_inherit_id ON ir_ui_view (model, inherit_id)')
244 def _compute_defaults(self, cr, uid, values, context=None):
245 if 'inherit_id' in values:
247 'mode', 'extension' if values['inherit_id'] else 'primary')
250 def create(self, cr, uid, values, context=None):
251 if not values.get('type'):
252 if values.get('inherit_id'):
253 values['type'] = self.browse(cr, uid, values['inherit_id'], context).type
255 values['type'] = etree.fromstring(values['arch']).tag
257 if not values.get('name'):
258 values['name'] = "%s %s" % (values.get('model'), values['type'])
261 return super(view, self).create(
263 self._compute_defaults(cr, uid, values, context=context),
266 def write(self, cr, uid, ids, vals, context=None):
267 if not isinstance(ids, (list, tuple)):
272 # drop the corresponding view customizations (used for dashboards for example), otherwise
273 # not all users would see the updated views
274 custom_view_ids = self.pool.get('ir.ui.view.custom').search(cr, uid, [('ref_id', 'in', ids)])
276 self.pool.get('ir.ui.view.custom').unlink(cr, uid, custom_view_ids)
279 ret = super(view, self).write(
281 self._compute_defaults(cr, uid, vals, context=context),
285 def toggle(self, cr, uid, ids, context=None):
286 """ Switches between enabled and disabled statuses
288 for view in self.browse(cr, uid, ids, context=dict(context or {}, active_test=False)):
289 view.write({'active': not view.active})
291 # default view selection
292 def default_view(self, cr, uid, model, view_type, context=None):
293 """ Fetches the default view for the provided (model, view_type) pair:
294 primary view with the lowest priority.
297 :param int view_type:
298 :return: id of the default view of False if none found
302 ['model', '=', model],
303 ['type', '=', view_type],
304 ['mode', '=', 'primary'],
306 ids = self.search(cr, uid, domain, limit=1, context=context)
311 #------------------------------------------------------
312 # Inheritance mecanism
313 #------------------------------------------------------
314 def get_inheriting_views_arch(self, cr, uid, view_id, model, context=None):
315 """Retrieves the architecture of views that inherit from the given view, from the sets of
316 views that should currently be used in the system. During the module upgrade phase it
317 may happen that a view is present in the database but the fields it relies on are not
318 fully loaded yet. This method only considers views that belong to modules whose code
319 is already loaded. Custom views defined directly in the database are loaded only
320 after the module initialization phase is completely finished.
322 :param int view_id: id of the view whose inheriting views should be retrieved
323 :param str model: model identifier of the inheriting views.
324 :rtype: list of tuples
325 :return: [(view_arch,view_id), ...]
328 user = self.pool['res.users'].browse(cr, 1, uid, context=context)
329 user_groups = frozenset(user.groups_id or ())
332 ['inherit_id', '=', view_id],
333 ['model', '=', model],
334 ['mode', '=', 'extension'],
335 ['active', '=', True],
338 # Module init currently in progress, only consider views from
339 # modules whose code is already loaded
342 ['model_ids.module', 'in', tuple(self.pool._init_modules)],
343 ['id', 'in', context and context.get('check_view_ids') or (0,)],
345 view_ids = self.search(cr, uid, conditions, context=context)
347 return [(view.arch, view.id)
348 for view in self.browse(cr, 1, view_ids, context)
349 if not (view.groups_id and user_groups.isdisjoint(view.groups_id))]
351 def raise_view_error(self, cr, uid, message, view_id, context=None):
352 view = self.browse(cr, uid, view_id, context)
354 message = ("%(msg)s\n\n" +
355 _("Error context:\nView `%(view_name)s`") +
356 "\n[view_id: %(viewid)s, xml_id: %(xmlid)s, "
357 "model: %(model)s, parent_id: %(parent)s]") % \
359 'view_name': view.name or not_avail,
360 'viewid': view_id or not_avail,
361 'xmlid': view.xml_id or not_avail,
362 'model': view.model or not_avail,
363 'parent': view.inherit_id.id or not_avail,
366 _logger.error(message)
367 raise AttributeError(message)
369 def locate_node(self, arch, spec):
370 """ Locate a node in a source (parent) architecture.
372 Given a complete source (parent) architecture (i.e. the field
373 `arch` in a view), and a 'spec' node (a node in an inheriting
374 view that specifies the location in the source view of what
375 should be changed), return (if it exists) the node in the
376 source view matching the specification.
378 :param arch: a parent architecture to modify
379 :param spec: a modifying node in an inheriting view
380 :return: a node in the source matching the spec
382 if spec.tag == 'xpath':
383 nodes = arch.xpath(spec.get('expr'))
384 return nodes[0] if nodes else None
385 elif spec.tag == 'field':
386 # Only compare the field name: a field can be only once in a given view
387 # at a given level (and for multilevel expressions, we should use xpath
388 # inheritance spec anyway).
389 for node in arch.iter('field'):
390 if node.get('name') == spec.get('name'):
394 for node in arch.iter(spec.tag):
395 if isinstance(node, SKIPPED_ELEMENT_TYPES):
397 if all(node.get(attr) == spec.get(attr) for attr in spec.attrib
398 if attr not in ('position','version')):
399 # Version spec should match parent's root element's version
400 if spec.get('version') and spec.get('version') != arch.get('version'):
405 def inherit_branding(self, specs_tree, view_id, root_id):
406 for node in specs_tree.iterchildren(tag=etree.Element):
407 xpath = node.getroottree().getpath(node)
408 if node.tag == 'data' or node.tag == 'xpath':
409 self.inherit_branding(node, view_id, root_id)
411 node.set('data-oe-id', str(view_id))
412 node.set('data-oe-source-id', str(root_id))
413 node.set('data-oe-xpath', xpath)
414 node.set('data-oe-model', 'ir.ui.view')
415 node.set('data-oe-field', 'arch')
419 def apply_inheritance_specs(self, cr, uid, source, specs_tree, inherit_id, context=None):
420 """ Apply an inheriting view (a descendant of the base view)
422 Apply to a source architecture all the spec nodes (i.e. nodes
423 describing where and what changes to apply to some parent
424 architecture) given by an inheriting view.
426 :param Element source: a parent architecture to modify
427 :param Elepect specs_tree: a modifying architecture in an inheriting view
428 :param inherit_id: the database id of specs_arch
429 :return: a modified source where the specs are applied
432 # Queue of specification nodes (i.e. nodes describing where and
433 # changes to apply to some parent architecture).
438 if isinstance(spec, SKIPPED_ELEMENT_TYPES):
440 if spec.tag == 'data':
441 specs += [c for c in spec]
443 node = self.locate_node(source, spec)
445 pos = spec.get('position', 'inside')
447 if node.getparent() is None:
448 source = copy.deepcopy(spec[0])
451 node.addprevious(child)
452 node.getparent().remove(node)
453 elif pos == 'attributes':
454 for child in spec.getiterator('attribute'):
455 attribute = (child.get('name'), child.text or None)
457 node.set(attribute[0], attribute[1])
458 elif attribute[0] in node.attrib:
459 del node.attrib[attribute[0]]
470 sib.addprevious(child)
471 elif pos == 'before':
472 node.addprevious(child)
474 self.raise_view_error(cr, uid, _("Invalid position attribute: '%s'") % pos, inherit_id, context=context)
477 ' %s="%s"' % (attr, spec.get(attr))
478 for attr in spec.attrib
479 if attr != 'position'
481 tag = "<%s%s>" % (spec.tag, attrs)
482 self.raise_view_error(cr, uid, _("Element '%s' cannot be located in parent view") % tag, inherit_id, context=context)
486 def apply_view_inheritance(self, cr, uid, source, source_id, model, root_id=None, context=None):
487 """ Apply all the (directly and indirectly) inheriting views.
489 :param source: a parent architecture to modify (with parent modifications already applied)
490 :param source_id: the database view_id of the parent view
491 :param model: the original model for which we create a view (not
492 necessarily the same as the source's model); only the inheriting
493 views with that specific model will be applied.
494 :return: a modified source where all the modifying architecture are applied
496 if context is None: context = {}
499 sql_inherit = self.get_inheriting_views_arch(cr, uid, source_id, model, context=context)
500 for (specs, view_id) in sql_inherit:
501 specs_tree = etree.fromstring(specs.encode('utf-8'))
502 if context.get('inherit_branding'):
503 self.inherit_branding(specs_tree, view_id, root_id)
504 source = self.apply_inheritance_specs(cr, uid, source, specs_tree, view_id, context=context)
505 source = self.apply_view_inheritance(cr, uid, source, view_id, model, root_id=root_id, context=context)
508 def read_combined(self, cr, uid, view_id, fields=None, context=None):
510 Utility function to get a view combined with its inherited views.
512 * Gets the top of the view tree if a sub-view is requested
513 * Applies all inherited archs on the root view
514 * Returns the view with all requested fields
515 .. note:: ``arch`` is always added to the fields list even if not
516 requested (similar to ``id``)
518 if context is None: context = {}
520 # if view_id is not a root view, climb back to the top.
521 base = v = self.browse(cr, uid, view_id, context=context)
522 while v.mode != 'primary':
526 # arch and model fields are always returned
528 fields = list(set(fields) | set(['arch', 'model']))
531 [view] = self.read(cr, uid, [root_id], fields=fields, context=context)
532 view_arch = etree.fromstring(view['arch'].encode('utf-8'))
534 arch_tree = view_arch
536 parent_view = self.read_combined(
537 cr, uid, v.inherit_id.id, fields=fields, context=context)
538 arch_tree = etree.fromstring(parent_view['arch'])
539 self.apply_inheritance_specs(
540 cr, uid, arch_tree, view_arch, parent_view['id'], context=context)
543 if context.get('inherit_branding'):
544 arch_tree.attrib.update({
545 'data-oe-model': 'ir.ui.view',
546 'data-oe-id': str(root_id),
547 'data-oe-field': 'arch',
550 # and apply inheritance
551 arch = self.apply_view_inheritance(
552 cr, uid, arch_tree, root_id, base.model, context=context)
554 return dict(view, arch=etree.tostring(arch, encoding='utf-8'))
556 #------------------------------------------------------
557 # Postprocessing: translation, groups and modifiers
558 #------------------------------------------------------
560 # - split postprocess so that it can be used instead of translate_qweb
561 # - remove group processing from ir_qweb
562 #------------------------------------------------------
563 def postprocess(self, cr, user, model, node, view_id, in_tree_view, model_fields, context=None):
564 """Return the description of the fields in the node.
566 In a normal call to this method, node is a complete view architecture
567 but it is actually possible to give some sub-node (this is used so
568 that the method can call itself recursively).
570 Originally, the field descriptions are drawn from the node itself.
571 But there is now some code calling fields_get() in order to merge some
572 of those information in the architecture.
582 Model = self.pool.get(model)
584 self.raise_view_error(cr, user, _('Model not found: %(model)s') % dict(model=model),
588 if isinstance(s, unicode):
589 return s.encode('utf8')
592 def check_group(node):
593 """Apply group restrictions, may be set at view level or model level::
594 * at view level this means the element should be made invisible to
595 people who are not members
596 * at model level (exclusively for fields, obviously), this means
597 the field should be completely removed from the view, as it is
598 completely unavailable for non-members
600 :return: True if field should be included in the result of fields_view_get
602 if node.tag == 'field' and node.get('name') in Model._fields:
603 field = Model._fields[node.get('name')]
604 if field.groups and not self.user_has_groups(
605 cr, user, groups=field.groups, context=context):
606 node.getparent().remove(node)
607 fields.pop(node.get('name'), None)
608 # no point processing view-level ``groups`` anymore, return
610 if node.get('groups'):
611 can_see = self.user_has_groups(
612 cr, user, groups=node.get('groups'), context=context)
614 node.set('invisible', '1')
615 modifiers['invisible'] = True
616 if 'attrs' in node.attrib:
617 del(node.attrib['attrs']) #avoid making field visible later
618 del(node.attrib['groups'])
621 if node.tag in ('field', 'node', 'arrow'):
622 if node.get('object'):
628 xml += etree.tostring(f, encoding="utf-8")
630 new_xml = etree.fromstring(encode(xml))
632 ctx['base_model_name'] = model
633 xarch, xfields = self.postprocess_and_fields(cr, user, node.get('object'), new_xml, view_id, ctx)
638 attrs = {'views': views}
642 field = Model._fields.get(node.get('name'))
647 if f.tag in ('form', 'tree', 'graph', 'kanban', 'calendar'):
650 ctx['base_model_name'] = model
651 xarch, xfields = self.postprocess_and_fields(cr, user, field.comodel_name, f, view_id, ctx)
652 views[str(f.tag)] = {
656 attrs = {'views': views}
657 fields[node.get('name')] = attrs
659 field = model_fields.get(node.get('name'))
661 orm.transfer_field_to_modifiers(field, modifiers)
663 elif node.tag in ('form', 'tree'):
664 result = Model.view_header_get(cr, user, False, node.tag, context)
666 node.set('string', result)
667 in_tree_view = node.tag == 'tree'
669 elif node.tag == 'calendar':
670 for additional_field in ('date_start', 'date_delay', 'date_stop', 'color', 'all_day', 'attendee'):
671 if node.get(additional_field):
672 fields[node.get(additional_field)] = {}
674 if not check_group(node):
675 # node must be removed, no need to proceed further with its children
678 # The view architeture overrides the python model.
679 # Get the attrs before they are (possibly) deleted by check_group below
680 orm.transfer_node_to_modifiers(node, modifiers, context, in_tree_view)
682 # TODO remove attrs counterpart in modifiers when invisible is true ?
685 if 'lang' in context:
686 Translations = self.pool['ir.translation']
687 if node.text and node.text.strip():
688 term = node.text.strip()
689 trans = Translations._get_source(cr, user, model, 'view', context['lang'], term)
691 node.text = node.text.replace(term, trans)
692 if node.tail and node.tail.strip():
693 term = node.tail.strip()
694 trans = Translations._get_source(cr, user, model, 'view', context['lang'], term)
696 node.tail = node.tail.replace(term, trans)
698 if node.get('string') and node.get('string').strip() and not result:
699 term = node.get('string').strip()
700 trans = Translations._get_source(cr, user, model, 'view', context['lang'], term)
701 if trans == term and ('base_model_name' in context):
702 # If translation is same as source, perhaps we'd have more luck with the alternative model name
703 # (in case we are in a mixed situation, such as an inherited view where parent_view.model != model
704 trans = Translations._get_source(cr, user, context['base_model_name'], 'view', context['lang'], term)
706 node.set('string', trans)
708 for attr_name in ('confirm', 'sum', 'avg', 'help', 'placeholder'):
709 attr_value = node.get(attr_name)
710 if attr_value and attr_value.strip():
711 trans = Translations._get_source(cr, user, model, 'view', context['lang'], attr_value.strip())
713 node.set(attr_name, trans)
716 if children or (node.tag == 'field' and f.tag in ('filter','separator')):
717 fields.update(self.postprocess(cr, user, model, f, view_id, in_tree_view, model_fields, context))
719 orm.transfer_modifiers_to_node(modifiers, node)
722 def add_on_change(self, cr, user, model_name, arch):
723 """ Add attribute on_change="1" on fields that are dependencies of
724 computed fields on the same view.
726 # map each field object to its corresponding nodes in arch
727 field_nodes = collections.defaultdict(list)
729 def collect(node, model):
730 if node.tag == 'field':
731 field = model._fields.get(node.get('name'))
733 field_nodes[field].append(node)
735 model = self.pool.get(field.comodel_name)
737 collect(child, model)
739 collect(arch, self.pool[model_name])
741 for field, nodes in field_nodes.iteritems():
742 # if field should trigger an onchange, add on_change="1" on the
743 # nodes referring to field
744 model = self.pool[field.model_name]
745 if model._has_onchange(field, field_nodes):
747 if not node.get('on_change'):
748 node.set('on_change', '1')
752 def _disable_workflow_buttons(self, cr, user, model, node):
753 """ Set the buttons in node to readonly if the user can't activate them. """
754 if model is None or user == 1:
755 # admin user can always activate workflow buttons
758 # TODO handle the case of more than one workflow for a model or multiple
759 # transitions with different groups and same signal
760 usersobj = self.pool.get('res.users')
761 buttons = (n for n in node.getiterator('button') if n.get('type') != 'object')
762 for button in buttons:
763 user_groups = usersobj.read(cr, user, [user], ['groups_id'])[0]['groups_id']
764 cr.execute("""SELECT DISTINCT t.group_id
766 INNER JOIN wkf_activity a ON a.wkf_id = wkf.id
767 INNER JOIN wkf_transition t ON (t.act_to = a.id)
770 AND t.group_id is NOT NULL
771 """, (model, button.get('name')))
772 group_ids = [x[0] for x in cr.fetchall() if x[0]]
773 can_click = not group_ids or bool(set(user_groups).intersection(group_ids))
774 button.set('readonly', str(int(not can_click)))
777 def postprocess_and_fields(self, cr, user, model, node, view_id, context=None):
778 """ Return an architecture and a description of all the fields.
780 The field description combines the result of fields_get() and
783 :param node: the architecture as as an etree
784 :return: a tuple (arch, fields) where arch is the given node as a
785 string and fields is the description of all the fields.
789 Model = self.pool.get(model)
791 self.raise_view_error(cr, user, _('Model not found: %(model)s') % dict(model=model), view_id, context)
793 if node.tag == 'diagram':
794 if node.getchildren()[0].tag == 'node':
795 node_model = self.pool[node.getchildren()[0].get('object')]
796 node_fields = node_model.fields_get(cr, user, None, context)
797 fields.update(node_fields)
798 if not node.get("create") and not node_model.check_access_rights(cr, user, 'create', raise_exception=False):
799 node.set("create", 'false')
800 if node.getchildren()[1].tag == 'arrow':
801 arrow_fields = self.pool[node.getchildren()[1].get('object')].fields_get(cr, user, None, context)
802 fields.update(arrow_fields)
804 fields = Model.fields_get(cr, user, None, context)
806 node = self.add_on_change(cr, user, model, node)
807 fields_def = self.postprocess(cr, user, model, node, view_id, False, fields, context=context)
808 node = self._disable_workflow_buttons(cr, user, model, node)
809 if node.tag in ('kanban', 'tree', 'form', 'gantt'):
810 for action, operation in (('create', 'create'), ('delete', 'unlink'), ('edit', 'write')):
811 if not node.get(action) and not Model.check_access_rights(cr, user, operation, raise_exception=False):
812 node.set(action, 'false')
813 if node.tag in ('kanban'):
814 group_by_name = node.get('default_group_by')
815 if group_by_name in Model._fields:
816 group_by_field = Model._fields[group_by_name]
817 if group_by_field.type == 'many2one':
818 group_by_model = Model.pool[group_by_field.comodel_name]
819 for action, operation in (('group_create', 'create'), ('group_delete', 'unlink'), ('group_edit', 'write')):
820 if not node.get(action) and not group_by_model.check_access_rights(cr, user, operation, raise_exception=False):
821 node.set(action, 'false')
823 arch = etree.tostring(node, encoding="utf-8").replace('\t', '')
824 for k in fields.keys():
825 if k not in fields_def:
827 for field in fields_def:
829 # sometime, the view may contain the (invisible) field 'id' needed for a domain (when 2 objects have cross references)
830 fields['id'] = {'readonly': True, 'type': 'integer', 'string': 'ID'}
831 elif field in fields:
832 fields[field].update(fields_def[field])
834 message = _("Field `%(field_name)s` does not exist") % \
835 dict(field_name=field)
836 self.raise_view_error(cr, user, message, view_id, context)
839 #------------------------------------------------------
840 # QWeb template views
841 #------------------------------------------------------
842 @tools.ormcache_context(accepted_keys=('lang','inherit_branding', 'editable', 'translatable'))
843 def read_template(self, cr, uid, xml_id, context=None):
844 if isinstance(xml_id, (int, long)):
847 if '.' not in xml_id:
848 raise ValueError('Invalid template id: %r' % (xml_id,))
849 view_id = self.pool['ir.model.data'].xmlid_to_res_id(cr, uid, xml_id, raise_if_not_found=True)
851 arch = self.read_combined(cr, uid, view_id, fields=['arch'], context=context)['arch']
852 arch_tree = etree.fromstring(arch)
854 if 'lang' in context:
855 arch_tree = self.translate_qweb(cr, uid, view_id, arch_tree, context['lang'], context)
857 self.distribute_branding(arch_tree)
858 root = etree.Element('templates')
859 root.append(arch_tree)
860 arch = etree.tostring(root, encoding='utf-8', xml_declaration=True)
863 def clear_cache(self):
864 self.read_template.clear_cache(self)
866 def _contains_branded(self, node):
867 return node.tag == 't'\
868 or 't-raw' in node.attrib\
869 or any(self.is_node_branded(child) for child in node.iterdescendants())
871 def _pop_view_branding(self, element):
872 distributed_branding = dict(
873 (attribute, element.attrib.pop(attribute))
874 for attribute in MOVABLE_BRANDING
875 if element.get(attribute))
876 return distributed_branding
878 def distribute_branding(self, e, branding=None, parent_xpath='',
879 index_map=misc.ConstantMapping(1)):
880 if e.get('t-ignore') or e.tag == 'head':
881 # remove any view branding possibly injected by inheritance
882 attrs = set(MOVABLE_BRANDING)
883 for descendant in e.iterdescendants(tag=etree.Element):
884 if not attrs.intersection(descendant.attrib): continue
885 self._pop_view_branding(descendant)
886 # TODO: find a better name and check if we have a string to boolean helper
889 node_path = e.get('data-oe-xpath')
890 if node_path is None:
891 node_path = "%s/%s[%d]" % (parent_xpath, e.tag, index_map[e.tag])
892 if branding and not (e.get('data-oe-model') or e.get('t-field')):
893 e.attrib.update(branding)
894 e.set('data-oe-xpath', node_path)
895 if not e.get('data-oe-model'): return
897 if {'t-esc', 't-raw'}.intersection(e.attrib):
898 # nodes which fully generate their content and have no reason to
899 # be branded because they can not sensibly be edited
900 self._pop_view_branding(e)
901 elif self._contains_branded(e):
902 # if a branded element contains branded elements distribute own
903 # branding to children unless it's t-raw, then just remove branding
905 distributed_branding = self._pop_view_branding(e)
907 if 't-raw' not in e.attrib:
908 # TODO: collections.Counter if remove p2.6 compat
909 # running index by tag type, for XPath query generation
910 indexes = collections.defaultdict(lambda: 0)
911 for child in e.iterchildren(tag=etree.Element):
912 if child.get('data-oe-xpath'):
913 # injected by view inheritance, skip otherwise
914 # generated xpath is incorrect
915 self.distribute_branding(child)
917 indexes[child.tag] += 1
918 self.distribute_branding(
919 child, distributed_branding,
920 parent_xpath=node_path, index_map=indexes)
922 def is_node_branded(self, node):
923 """ Finds out whether a node is branded or qweb-active (bears a
924 @data-oe-model or a @t-* *which is not t-field* as t-field does not
927 :param node: an etree-compatible element to test
928 :type node: etree._Element
932 (attr in ('data-oe-model', 'group') or (attr != 't-field' and attr.startswith('t-')))
933 for attr in node.attrib
936 def translate_qweb(self, cr, uid, id_, arch, lang, context=None):
937 # TODO: this should be moved in a place before inheritance is applied
938 # but process() is only called on fields_view_get()
939 Translations = self.pool['ir.translation']
940 h = HTMLParser.HTMLParser()
942 if not text or not text.strip():
944 text = h.unescape(text.strip())
945 if len(text) < 2 or (text.startswith('<!') and text.endswith('>')):
947 return Translations._get_source(cr, uid, 'website', 'view', lang, text, id_)
949 if type(arch) not in SKIPPED_ELEMENT_TYPES and arch.tag not in SKIPPED_ELEMENTS:
950 text = get_trans(arch.text)
952 arch.text = arch.text.replace(arch.text.strip(), text)
953 tail = get_trans(arch.tail)
955 arch.tail = arch.tail.replace(arch.tail.strip(), tail)
957 for attr_name in ('title', 'alt', 'label', 'placeholder'):
958 attr = get_trans(arch.get(attr_name))
960 arch.set(attr_name, attr)
961 for node in arch.iterchildren("*"):
962 self.translate_qweb(cr, uid, id_, node, lang, context)
965 @openerp.tools.ormcache()
966 def get_view_xmlid(self, cr, uid, id):
967 imd = self.pool['ir.model.data']
968 domain = [('model', '=', 'ir.ui.view'), ('res_id', '=', id)]
969 xmlid = imd.search_read(cr, uid, domain, ['module', 'name'])[0]
970 return '%s.%s' % (xmlid['module'], xmlid['name'])
972 @api.cr_uid_ids_context
973 def render(self, cr, uid, id_or_xml_id, values=None, engine='ir.qweb', context=None):
974 if isinstance(id_or_xml_id, list):
975 id_or_xml_id = id_or_xml_id[0]
983 keep_query=keep_query,
984 request=request, # might be unbound if we're not in an httprequest context
985 debug=request.debug if request else False,
987 quote_plus=werkzeug.url_quote_plus,
990 relativedelta=relativedelta,
992 qcontext.update(values)
994 # TODO: This helper can be used by any template that wants to embedd the backend.
995 # It is currently necessary because the ir.ui.view bundle inheritance does not
996 # match the module dependency graph.
997 def get_modules_order():
999 from openerp.addons.web.controllers.main import module_boot
1000 return simplejson.dumps(module_boot())
1002 qcontext['get_modules_order'] = get_modules_order
1005 return self.read_template(cr, uid, name, context=context)
1007 return self.pool[engine].render(cr, uid, id_or_xml_id, qcontext, loader=loader, context=context)
1009 #------------------------------------------------------
1011 #------------------------------------------------------
1013 def graph_get(self, cr, uid, id, model, node_obj, conn_obj, src_node, des_node, label, scale, context=None):
1023 _Model_Obj = self.pool[model]
1024 _Node_Obj = self.pool[node_obj]
1025 _Arrow_Obj = self.pool[conn_obj]
1027 for model_key,model_value in _Model_Obj._columns.items():
1028 if model_value._type=='one2many':
1029 if model_value._obj==node_obj:
1030 _Node_Field=model_key
1031 _Model_Field=model_value._fields_id
1033 for node_key,node_value in _Node_Obj._columns.items():
1034 if node_value._type=='one2many':
1035 if node_value._obj==conn_obj:
1036 if src_node in _Arrow_Obj._columns and flag:
1037 _Source_Field=node_key
1038 if des_node in _Arrow_Obj._columns and not flag:
1039 _Destination_Field=node_key
1042 datas = _Model_Obj.read(cr, uid, id, [],context)
1043 for a in _Node_Obj.read(cr,uid,datas[_Node_Field],[]):
1044 if a[_Source_Field] or a[_Destination_Field]:
1045 nodes_name.append((a['id'],a['name']))
1046 nodes.append(a['id'])
1048 blank_nodes.append({'id': a['id'],'name':a['name']})
1050 if a.has_key('flow_start') and a['flow_start']:
1051 start.append(a['id'])
1053 if not a[_Source_Field]:
1054 no_ancester.append(a['id'])
1055 for t in _Arrow_Obj.read(cr,uid, a[_Destination_Field],[]):
1056 transitions.append((a['id'], t[des_node][0]))
1057 tres[str(t['id'])] = (a['id'],t[des_node][0])
1060 for lbl in eval(label):
1061 if t.has_key(tools.ustr(lbl)) and tools.ustr(t[lbl])=='False':
1064 label_string = label_string + " " + tools.ustr(t[lbl])
1065 labels[str(t['id'])] = (a['id'],label_string)
1066 g = graph(nodes, transitions, no_ancester)
1069 result = g.result_get()
1071 for node in nodes_name:
1072 results[str(node[0])] = result[node[0]]
1073 results[str(node[0])]['name'] = node[1]
1074 return {'nodes': results,
1075 'transitions': tres,
1077 'blank_nodes': blank_nodes,
1078 'node_parent_field': _Model_Field,}
1080 def _validate_custom_views(self, cr, uid, model):
1081 """Validate architecture of custom views (= without xml id) for a given model.
1082 This method is called at the end of registry update.
1084 cr.execute("""SELECT max(v.id)
1086 LEFT JOIN ir_model_data md ON (md.model = 'ir.ui.view' AND md.res_id = v.id)
1087 WHERE md.module IS NULL
1089 GROUP BY coalesce(v.inherit_id, v.id)
1092 ids = map(itemgetter(0), cr.fetchall())
1093 return self._check_xml(cr, uid, ids)
1095 def _validate_module_views(self, cr, uid, module):
1096 """Validate architecture of all the views of a given module"""
1097 assert not self.pool._init or module in self.pool._init_modules
1101 # only validate the views that are still existing...
1102 xmlid_filter = "AND md.name IN %s"
1103 names = tuple(name for (xmod, name), (model, res_id) in self.pool.model_data_reference_ids.items() if xmod == module and model == self._name)
1105 # no views for this module, nothing to validate
1108 cr.execute("""SELECT max(v.id)
1110 LEFT JOIN ir_model_data md ON (md.model = 'ir.ui.view' AND md.res_id = v.id)
1111 WHERE md.module = %s
1113 GROUP BY coalesce(v.inherit_id, v.id)
1114 """.format(xmlid_filter), params)
1116 for vid, in cr.fetchall():
1117 if not self._check_xml(cr, uid, [vid]):
1118 self.raise_view_error(cr, uid, "Can't validate view", vid)