"""Set of HTML generic base views:
* noresult, final
* primary, sidebox
* secondary, oneline, incontext, outofcontext, text
* list
:organization: Logilab
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
"""
#from __future__ import with_statement
__docformat__ = "restructuredtext en"
from warnings import warn
from rql import nodes
from logilab.mtconverter import TransformError, html_escape
from cubicweb import Unauthorized, NoSelectableObject
from cubicweb.selectors import yes, empty_rset
from cubicweb.view import EntityView, AnyRsetView, View
from cubicweb.common.uilib import cut, printable_value
_ = unicode
class NullView(AnyRsetView):
"""default view when no result has been found"""
id = 'null'
__select__ = yes()
def call(self, **kwargs):
pass
cell_call = call
class NoResultView(View):
"""default view when no result has been found"""
__select__ = empty_rset()
id = 'noresult'
def call(self, **kwargs):
self.w(u'<div class="searchMessage"><strong>%s</strong></div>\n'
% self.req._('No result matching query'))
class FinalView(AnyRsetView):
"""display values without any transformation (i.e. get a number for
entities)
"""
id = 'final'
# record generated i18n catalog messages
_('%d years')
_('%d months')
_('%d weeks')
_('%d days')
_('%d hours')
_('%d minutes')
_('%d seconds')
_('%d years')
_('%d months')
_('%d weeks')
_('%d days')
_('%d hours')
_('%d minutes')
_('%d seconds')
def cell_call(self, row, col, props=None, displaytime=False, format='text/html'):
etype = self.rset.description[row][col]
value = self.rset.rows[row][col]
if etype == 'String':
entity, rtype = self.rset.related_entity(row, col)
if entity is not None:
# yes !
self.w(entity.printable_value(rtype, value, format=format))
return
if etype in ('Time', 'Interval'):
# value is DateTimeDelta but we have no idea about what is the
# reference date here, so we can only approximate years and months
if format == 'text/html':
space = ' '
else:
space = ' '
if value.days > 730: # 2 years
self.w(self.req.__('%%d%syears' % space) % (value.days // 365))
elif value.days > 60: # 2 months
self.w(self.req.__('%%d%smonths' % space) % (value.days // 30))
elif value.days > 14: # 2 weeks
self.w(self.req.__('%%d%sweeks' % space) % (value.days // 7))
elif value.days > 2:
self.w(self.req.__('%%d%sdays' % space) % int(value.days))
elif value.hours > 2:
self.w(self.req.__('%%d%shours' % space) % int(value.hours))
elif value.minutes >= 2:
self.w(self.req.__('%%d%sminutes' % space) % int(value.minutes))
else:
self.w(self.req.__('%%d%sseconds' % space) % int(value.seconds))
return
self.wdata(printable_value(self.req, etype, value, props, displaytime=displaytime))
PRIMARY_SKIP_RELS = set(['is', 'is_instance_of', 'identity',
'owned_by', 'created_by',
'in_state', 'wf_info_for', 'require_permission',
'from_entity', 'to_entity',
'see_also'])
class PrimaryView(EntityView):
"""the full view of an non final entity"""
id = 'primary'
title = _('primary')
show_attr_label = True
show_rel_label = True
skip_none = True
skip_attrs = ('eid', 'creation_date', 'modification_date')
skip_rels = ()
main_related_section = True
def html_headers(self):
"""return a list of html headers (eg something to be inserted between
<head> and </head> of the returned page
by default primary views are indexed
"""
return []
def cell_call(self, row, col):
self.row = row
# XXX move render_entity implementation here
self.render_entity(self.complete_entity(row, col))
def render_entity(self, entity):
"""return html to display the given entity"""
siderelations = []
self.render_entity_title(entity)
self.render_entity_metadata(entity)
# entity's attributes and relations, excluding meta data
# if the entity isn't meta itself
self.w(u'<div>')
self.w(u'<div class="mainInfo">')
self.render_entity_attributes(entity, siderelations)
self.w(u'</div>')
self.content_navigation_components('navcontenttop')
if self.main_related_section:
self.render_entity_relations(entity, siderelations)
self.w(u'</div>')
# side boxes
self.w(u'<div class="primaryRight">')
self.render_side_related(entity, siderelations)
self.w(u'</div>')
self.w(u'<div class="clear"></div>')
self.content_navigation_components('navcontentbottom')
def content_navigation_components(self, context):
self.w(u'<div class="%s">' % context)
for comp in self.vreg.possible_vobjects('contentnavigation',
self.req, self.rset, row=self.row,
view=self, context=context):
try:
comp.dispatch(w=self.w, row=self.row, view=self)
except NotImplementedError:
warn('component %s doesnt implement cell_call, please update'
% comp.__class__, DeprecationWarning)
comp.dispatch(w=self.w, view=self)
self.w(u'</div>')
def iter_attributes(self, entity):
for rschema, targetschema in entity.e_schema.attribute_definitions():
if rschema.type in self.skip_attrs:
continue
yield rschema, targetschema
def iter_relations(self, entity):
skip = set(self.skip_rels)
skip.update(PRIMARY_SKIP_RELS)
for rschema, targetschemas, x in entity.e_schema.relation_definitions():
if rschema.type in skip:
continue
yield rschema, targetschemas, x
def render_entity_title(self, entity):
title = self.content_title(entity) # deprecate content_title?
if title:
self.w(u'<h1><span class="etype">%s</span> %s</h1>'
% (entity.dc_type().capitalize(), title))
def content_title(self, entity):
"""default implementation return an empty string"""
return u''
def render_entity_metadata(self, entity):
entity.view('metadata', w=self.w)
summary = self.summary(entity) # deprecate summary?
if summary:
self.w(u'<div class="summary">%s</div>' % summary)
def summary(self, entity):
"""default implementation return an empty string"""
return u''
def render_entity_attributes(self, entity, siderelations):
for rschema, targetschema in self.iter_attributes(entity):
attr = rschema.type
if targetschema.type in ('Password', 'Bytes'):
continue
try:
wdg = entity.get_widget(attr)
except Exception, ex:
value = entity.printable_value(attr, entity[attr], targetschema.type)
else:
value = wdg.render(entity)
if self.skip_none and (value is None or value == ''):
continue
if rschema.meta:
continue
self._render_related_entities(entity, rschema, value)
def render_entity_relations(self, entity, siderelations):
if hasattr(self, 'get_side_boxes_defs'):
return
eschema = entity.e_schema
maxrelated = self.req.property_value('navigation.related-limit')
for rschema, targetschemas, x in self.iter_relations(entity):
try:
related = entity.related(rschema.type, x, limit=maxrelated+1)
except Unauthorized:
continue
if not related:
continue
if self.is_side_related(rschema, eschema):
siderelations.append((rschema, related, x))
continue
self._render_related_entities(entity, rschema, related, x)
def render_side_related(self, entity, siderelations):
"""display side related relations:
non-meta in a first step, meta in a second step
"""
if hasattr(self, 'get_side_boxes_defs'):
sideboxes = [(label, rset) for label, rset in self.get_side_boxes_defs(entity)
if rset]
if sideboxes:
for label, rset in sideboxes:
self.w(u'<div class="sideRelated">')
self.wview('sidebox', rset, title=label)
self.w(u'</div>')
elif siderelations:
self.w(u'<div class="sideRelated">')
for relatedinfos in siderelations:
# if not relatedinfos[0].meta:
# continue
self._render_related_entities(entity, *relatedinfos)
self.w(u'</div>')
boxes = list(self.vreg.possible_vobjects('boxes', self.req, self.rset,
row=self.row, view=self,
context='incontext'))
if boxes:
for box in boxes:
try:
box.dispatch(w=self.w, row=self.row)
except NotImplementedError:
# much probably a context insensitive box, which only implements
# .call() and not cell_call()
box.dispatch(w=self.w)
def is_side_related(self, rschema, eschema):
return rschema.meta and \
not rschema.schema_relation() == eschema.schema_entity()
def _render_related_entities(self, entity, rschema, related,
role='subject'):
if rschema.is_final():
value = related
show_label = self.show_attr_label
else:
if not related:
return
show_label = self.show_rel_label
# if not too many entities, show them all in a list
maxrelated = self.req.property_value('navigation.related-limit')
if related.rowcount <= maxrelated:
if related.rowcount == 1:
value = self.view('incontext', related, row=0)
elif 1 < related.rowcount <= 5:
value = self.view('csv', related)
else:
value = '<div>' + self.view('simplelist', related) + '</div>'
# else show links to display related entities
else:
rql = related.printable_rql()
related.limit(maxrelated)
value = '<div>' + self.view('simplelist', related)
value += '[<a href="%s">%s</a>]' % (self.build_url(rql=rql),
self.req._('see them all'))
value += '</div>'
label = display_name(self.req, rschema.type, role)
self.field(label, value, show_label=show_label, tr=False)
class SecondaryView(EntityView):
id = 'secondary'
title = _('secondary')
def cell_call(self, row, col):
"""the secondary view for an entity
secondary = icon + view(oneline)
"""
entity = self.entity(row, col)
self.w(u' ')
self.wview('oneline', self.rset, row=row, col=col)
class OneLineView(EntityView):
id = 'oneline'
title = _('oneline')
def cell_call(self, row, col):
"""the one line view for an entity: linked text view
"""
entity = self.entity(row, col)
self.w(u'<a href="%s">' % html_escape(entity.absolute_url()))
self.w(html_escape(self.view('text', self.rset, row=row, col=col)))
self.w(u'</a>')
class TextView(EntityView):
"""the simplest text view for an entity"""
id = 'text'
title = _('text')
content_type = 'text/plain'
def call(self, **kwargs):
"""the view is called for an entire result set, by default loop
other rows of the result set and call the same view on the
particular row
Views applicable on None result sets have to override this method
"""
rset = self.rset
if rset is None:
raise NotImplementedError, self
for i in xrange(len(rset)):
self.wview(self.id, rset, row=i, **kwargs)
if len(rset) > 1:
self.w(u"\n")
def cell_call(self, row, col=0, **kwargs):
entity = self.entity(row, col)
self.w(cut(entity.dc_title(),
self.req.property_value('navigation.short-line-size')))
class MetaDataView(EntityView):
"""paragraph view of some metadata"""
id = 'metadata'
show_eid = True
def cell_call(self, row, col):
_ = self.req._
entity = self.entity(row, col)
self.w(u'<div class="metadata">')
if self.show_eid:
self.w(u'#%s - ' % entity.eid)
if entity.modification_date != entity.creation_date:
self.w(u'<span>%s</span> ' % _('latest update on'))
self.w(u'<span class="value">%s</span>, '
% self.format_date(entity.modification_date))
# entities from external source may not have a creation date (eg ldap)
if entity.creation_date:
self.w(u'<span>%s</span> ' % _('created on'))
self.w(u'<span class="value">%s</span>'
% self.format_date(entity.creation_date))
if entity.creator:
self.w(u' <span>%s</span> ' % _('by'))
self.w(u'<span class="value">%s</span>' % entity.creator.name())
self.w(u'</div>')
# new default views for finner control in general views , to use instead of
# oneline / secondary
class InContextTextView(TextView):
id = 'textincontext'
title = None # not listed as a possible view
def cell_call(self, row, col):
entity = self.entity(row, col)
self.w(entity.dc_title())
class OutOfContextTextView(InContextTextView):
id = 'textoutofcontext'
def cell_call(self, row, col):
entity = self.entity(row, col)
self.w(entity.dc_long_title())
class InContextView(EntityView):
id = 'incontext'
def cell_call(self, row, col):
entity = self.entity(row, col)
desc = cut(entity.dc_description(), 50)
self.w(u'<a href="%s" title="%s">' % (html_escape(entity.absolute_url()),
html_escape(desc)))
self.w(html_escape(self.view('textincontext', self.rset, row=row, col=col)))
self.w(u'</a>')
class OutOfContextView(EntityView):
id = 'outofcontext'
def cell_call(self, row, col):
self.w(u'<a href="%s">' % self.entity(row, col).absolute_url())
self.w(html_escape(self.view('textoutofcontext', self.rset, row=row, col=col)))
self.w(u'</a>')
# list views ##################################################################
class ListView(EntityView):
id = 'list'
title = _('list')
item_vid = 'listitem'
def call(self, klass=None, title=None, subvid=None, listid=None, **kwargs):
"""display a list of entities by calling their <item_vid> view
:param listid: the DOM id to use for the root element
"""
if subvid is None and 'subvid' in self.req.form:
subvid = self.req.form.pop('subvid') # consume it
if listid:
listid = u' id="%s"' % listid
else:
listid = u''
if title:
self.w(u'<div%s class="%s"><h4>%s</h4>\n' % (listid, klass or 'section', title))
self.w(u'<ul>\n')
else:
self.w(u'<ul%s class="%s">\n' % (listid, klass or 'section'))
for i in xrange(self.rset.rowcount):
self.cell_call(row=i, col=0, vid=subvid, **kwargs)
self.w(u'</ul>\n')
if title:
self.w(u'</div>\n')
def cell_call(self, row, col=0, vid=None, **kwargs):
self.w(u'<li>')
self.wview(self.item_vid, self.rset, row=row, col=col, vid=vid, **kwargs)
self.w(u'</li>\n')
def url(self):
"""overrides url method so that by default, the view list is called
with sorted entities
"""
coltypes = self.rset.column_types(0)
# don't want to generate the rql if there is some restriction on
# something else than the entity type
if len(coltypes) == 1:
# XXX norestriction is not correct here. For instance, in cases like
# Any P,N WHERE P is Project, P name N
# norestriction should equal True
restr = self.rset.syntax_tree().children[0].where
norestriction = (isinstance(restr, nodes.Relation) and
restr.is_types_restriction())
if norestriction:
etype = iter(coltypes).next()
return self.build_url(etype.lower(), vid=self.id)
if len(self.rset) == 1:
entity = self.rset.get_entity(0, 0)
return self.build_url(entity.rest_path(), vid=self.id)
return self.build_url(rql=self.rset.printable_rql(), vid=self.id)
class ListItemView(EntityView):
id = 'listitem'
@property
def redirect_vid(self):
if self.req.search_state[0] == 'normal':
return 'outofcontext'
return 'outofcontext-search'
def cell_call(self, row, col, vid=None, **kwargs):
if not vid:
vid = self.redirect_vid
try:
self.wview(vid, self.rset, row=row, col=col, **kwargs)
except NoSelectableObject:
if vid == self.redirect_vid:
raise
self.wview(self.redirect_vid, self.rset, row=row, col=col, **kwargs)
class SimpleListView(ListItemView):
"""list without bullets"""
id = 'simplelist'
redirect_vid = 'incontext'
class CSVView(SimpleListView):
id = 'csv'
redirect_vid = 'incontext'
def call(self, **kwargs):
rset = self.rset
for i in xrange(len(rset)):
self.cell_call(i, 0, vid=kwargs.get('vid'))
if i < rset.rowcount-1:
self.w(u", ")
class TreeItemView(ListItemView):
id = 'treeitem'
def cell_call(self, row, col):
self.wview('incontext', self.rset, row=row, col=col)
class TextSearchResultView(EntityView):
"""this view is used to display full-text search
It tries to highlight part of data where the search word appears.
XXX: finish me (fixed line width, fixed number of lines, CSS, etc.)
"""
id = 'tsearch'
def cell_call(self, row, col, **kwargs):
entity = self.complete_entity(row, col)
self.w(entity.view('incontext'))
searched = self.rset.searched_text()
if searched is None:
return
searched = searched.lower()
highlighted = '<b>%s</b>' % searched
for attr in entity.e_schema.indexable_attributes():
try:
value = html_escape(entity.printable_value(attr, format='text/plain').lower())
except TransformError, ex:
continue
except:
continue
if searched in value:
contexts = []
for ctx in value.split(searched):
if len(ctx) > 30:
contexts.append(u'...' + ctx[-30:])
else:
contexts.append(ctx)
value = u'\n' + highlighted.join(contexts)
self.w(value.replace('\n', '<br/>'))
class TooltipView(EntityView):
"""A entity view used in a tooltip"""
id = 'tooltip'
def cell_call(self, row, col):
self.wview('oneline', self.rset, row=row, col=col)
# XXX bw compat
from logilab.common.deprecation import class_moved
try:
from cubicweb.web.views.tableview import TableView
TableView = class_moved(TableView)
except ImportError:
pass # gae has no tableview module (yet)
from cubicweb.web.views import boxes, xmlrss
SideBoxView = class_moved(boxes.SideBoxView)
XmlView = class_moved(xmlrss.XmlView)
XmlItemView = class_moved(xmlrss.XmlItemView)
XmlRsetView = class_moved(xmlrss.XmlRsetView)
RssView = class_moved(xmlrss.RssView)
RssItemView = class_moved(xmlrss.RssItemView)