--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/views/schemaentities.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,123 @@
+"""Specific views for schema related entities
+
+:organization: Logilab
+:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+"""
+__docformat__ = "restructuredtext en"
+
+from logilab.mtconverter import html_escape
+
+from cubicweb.schemaviewer import SchemaViewer
+from cubicweb.common.uilib import ureport_as_html
+from cubicweb.common.view import EntityView
+from cubicweb.web.views import baseviews
+
+
+class ImageView(EntityView):
+    accepts = ('EEType',)
+    id = 'image'
+    title = _('image')
+
+    def cell_call(self, row, col):
+        entity = self.entity(row, col)
+        url = entity.absolute_url(vid='eschemagraph')
+        self.w(u'<img src="%s" alt="%s"/>' % (
+            html_escape(url),
+            html_escape(self.req._('graphical schema for %s') % entity.name)))
+
+
+class _SchemaEntityPrimaryView(baseviews.PrimaryView):
+    show_attr_label = False
+    cache_max_age = 60*60*2 # stay in http cache for 2 hours by default 
+    
+    def content_title(self, entity):
+        return html_escape(entity.dc_long_title())
+    
+class EETypePrimaryView(_SchemaEntityPrimaryView):
+    accepts = ('EEType',)
+    skip_attrs = _SchemaEntityPrimaryView.skip_attrs + ('name', 'meta', 'final')
+
+class ERTypePrimaryView(_SchemaEntityPrimaryView):
+    accepts = ('ERType',)
+    skip_attrs = _SchemaEntityPrimaryView.skip_attrs + ('name', 'meta', 'final',
+                                                        'symetric', 'inlined')
+
+class ErdefPrimaryView(_SchemaEntityPrimaryView):
+    accepts = ('EFRDef', 'ENFRDef')
+    show_attr_label = True
+
+class EETypeSchemaView(EETypePrimaryView):
+    id = 'eschema'
+    title = _('in memory entity schema')
+    main_related_section = False
+    skip_rels = ('is', 'is_instance_of', 'identity', 'created_by', 'owned_by',
+                 'has_text',)
+    
+    def render_entity_attributes(self, entity, siderelations):
+        super(EETypeSchemaView, self).render_entity_attributes(entity, siderelations)
+        eschema = self.vreg.schema.eschema(entity.name)
+        viewer = SchemaViewer(self.req)
+        layout = viewer.visit_entityschema(eschema, skiprels=self.skip_rels)
+        self.w(ureport_as_html(layout))
+        if not eschema.is_final():
+            self.w(u'<img src="%s" alt="%s"/>' % (
+                html_escape(entity.absolute_url(vid='eschemagraph')),
+                html_escape(self.req._('graphical schema for %s') % entity.name)))
+
+class ERTypeSchemaView(ERTypePrimaryView):
+    id = 'eschema'
+    title = _('in memory relation schema')
+    main_related_section = False
+
+    def render_entity_attributes(self, entity, siderelations):
+        super(ERTypeSchemaView, self).render_entity_attributes(entity, siderelations)
+        rschema = self.vreg.schema.rschema(entity.name)
+        viewer = SchemaViewer(self.req)
+        layout = viewer.visit_relationschema(rschema)
+        self.w(ureport_as_html(layout))
+        if not rschema.is_final():
+            self.w(u'<img src="%s" alt="%s"/>' % (
+                html_escape(entity.absolute_url(vid='eschemagraph')),
+                html_escape(self.req._('graphical schema for %s') % entity.name)))
+
+        
+class EETypeWorkflowView(EntityView):
+    id = 'workflow'
+    accepts = ('EEType',)
+    cache_max_age = 60*60*2 # stay in http cache for 2 hours by default 
+    
+    def cell_call(self, row, col, **kwargs):
+        entity = self.entity(row, col)
+        self.w(u'<h1>%s</h1>' % (self.req._('workflow for %s')
+                                 % display_name(self.req, entity.name)))
+        self.w(u'<img src="%s" alt="%s"/>' % (
+            html_escape(entity.absolute_url(vid='ewfgraph')),
+            html_escape(self.req._('graphical workflow for %s') % entity.name)))
+
+
+class EETypeOneLineView(baseviews.OneLineView):
+    accepts = ('EEType',)
+    
+    def cell_call(self, row, col, **kwargs):
+        entity = self.entity(row, col)
+        final = entity.final
+        if final:
+            self.w(u'<em class="finalentity">')
+        super(EETypeOneLineView, self).cell_call(row, col, **kwargs)
+        if final:
+            self.w(u'</em>')
+        
+
+from cubicweb.web.action import EntityAction
+
+class ViewWorkflowAction(EntityAction):
+    id = 'workflow'
+    category = 'mainactions'
+    title = _('view workflow')
+    accepts = ('EEType',)
+    condition = 'S state_of X' # must have at least one state associated
+    def url(self):
+        entity = self.rset.get_entity(self.row or 0, self.col or 0)
+        return entity.absolute_url(vid='workflow')
+