1 """Specific views for schema related entities

     2 

     3 :organization: Logilab

     4 :copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

     5 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

     6 """

     7 __docformat__ = "restructuredtext en"

     8 

     9 from logilab.mtconverter import html_escape

    10 

    11 from cubicweb.schemaviewer import SchemaViewer

    12 from cubicweb.common.uilib import ureport_as_html

    13 from cubicweb.common.view import EntityView

    14 from cubicweb.web.views import baseviews

    15 

    16 

    17 class ImageView(EntityView):

    18     accepts = ('EEType',)

    19     id = 'image'

    20     title = _('image')

    21 

    22     def cell_call(self, row, col):

    23         entity = self.entity(row, col)

    24         url = entity.absolute_url(vid='eschemagraph')

    25         self.w(u'<img src="%s" alt="%s"/>' % (

    26             html_escape(url),

    27             html_escape(self.req._('graphical schema for %s') % entity.name)))

    28 

    29 

    30 class _SchemaEntityPrimaryView(baseviews.PrimaryView):

    31     show_attr_label = False

    32     cache_max_age = 60*60*2 # stay in http cache for 2 hours by default 

    33     

    34     def content_title(self, entity):

    35         return html_escape(entity.dc_long_title())

    36     

    37 class EETypePrimaryView(_SchemaEntityPrimaryView):

    38     accepts = ('EEType',)

    39     skip_attrs = _SchemaEntityPrimaryView.skip_attrs + ('name', 'meta', 'final')

    40 

    41 class ERTypePrimaryView(_SchemaEntityPrimaryView):

    42     accepts = ('ERType',)

    43     skip_attrs = _SchemaEntityPrimaryView.skip_attrs + ('name', 'meta', 'final',

    44                                                         'symetric', 'inlined')

    45 

    46 class ErdefPrimaryView(_SchemaEntityPrimaryView):

    47     accepts = ('EFRDef', 'ENFRDef')

    48     show_attr_label = True

    49 

    50 class EETypeSchemaView(EETypePrimaryView):

    51     id = 'eschema'

    52     title = _('in memory entity schema')

    53     main_related_section = False

    54     skip_rels = ('is', 'is_instance_of', 'identity', 'created_by', 'owned_by',

    55                  'has_text',)

    56     

    57     def render_entity_attributes(self, entity, siderelations):

    58         super(EETypeSchemaView, self).render_entity_attributes(entity, siderelations)

    59         eschema = self.vreg.schema.eschema(entity.name)

    60         viewer = SchemaViewer(self.req)

    61         layout = viewer.visit_entityschema(eschema, skiprels=self.skip_rels)

    62         self.w(ureport_as_html(layout))

    63         if not eschema.is_final():

    64             self.w(u'<img src="%s" alt="%s"/>' % (

    65                 html_escape(entity.absolute_url(vid='eschemagraph')),

    66                 html_escape(self.req._('graphical schema for %s') % entity.name)))

    67 

    68 class ERTypeSchemaView(ERTypePrimaryView):

    69     id = 'eschema'

    70     title = _('in memory relation schema')

    71     main_related_section = False

    72 

    73     def render_entity_attributes(self, entity, siderelations):

    74         super(ERTypeSchemaView, self).render_entity_attributes(entity, siderelations)

    75         rschema = self.vreg.schema.rschema(entity.name)

    76         viewer = SchemaViewer(self.req)

    77         layout = viewer.visit_relationschema(rschema)

    78         self.w(ureport_as_html(layout))

    79         if not rschema.is_final():

    80             self.w(u'<img src="%s" alt="%s"/>' % (

    81                 html_escape(entity.absolute_url(vid='eschemagraph')),

    82                 html_escape(self.req._('graphical schema for %s') % entity.name)))

    83 

    84         

    85 class EETypeWorkflowView(EntityView):

    86     id = 'workflow'

    87     accepts = ('EEType',)

    88     cache_max_age = 60*60*2 # stay in http cache for 2 hours by default 

    89     

    90     def cell_call(self, row, col, **kwargs):

    91         entity = self.entity(row, col)

    92         self.w(u'<h1>%s</h1>' % (self.req._('workflow for %s')

    93                                  % display_name(self.req, entity.name)))

    94         self.w(u'<img src="%s" alt="%s"/>' % (

    95             html_escape(entity.absolute_url(vid='ewfgraph')),

    96             html_escape(self.req._('graphical workflow for %s') % entity.name)))

    97 

    98 

    99 class EETypeOneLineView(baseviews.OneLineView):

   100     accepts = ('EEType',)

   101     

   102     def cell_call(self, row, col, **kwargs):

   103         entity = self.entity(row, col)

   104         final = entity.final

   105         if final:

   106             self.w(u'<em class="finalentity">')

   107         super(EETypeOneLineView, self).cell_call(row, col, **kwargs)

   108         if final:

   109             self.w(u'</em>')

   110         

   111 

   112 from cubicweb.web.action import EntityAction

   113 

   114 class ViewWorkflowAction(EntityAction):

   115     id = 'workflow'

   116     category = 'mainactions'

   117     title = _('view workflow')

   118     accepts = ('EEType',)

   119     condition = 'S state_of X' # must have at least one state associated

   120     def url(self):

   121         entity = self.rset.get_entity(self.row or 0, self.col or 0)

   122         return entity.absolute_url(vid='workflow')

   123