doc/book/en/development/webstdlib/primary.rst
branchtls-sprint
changeset 1714 a721966779be
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+++ b/doc/book/en/development/webstdlib/primary.rst	Thu May 07 16:33:22 2009 +0200
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+The default 'primary' view (:mod:`cubicweb.web.views.primary`)
+---------------------------------------------------------------
+
+The primary view of an entity is the view called by default when a single
+entity is in the result set and needs to be displayed. 
+
+This view is supposed to render a maximum of informations about the entity.
+
+
+
+Rendering methods and attributes for ``PrimaryView``
+----------------------------------------------------
+
+By default, `CubicWeb` provides a primary view for each new entity type
+you create. The first view you might be interested in modifying.
+
+Let's have a quick look at the EntityView ``PrimaryView`` as well as
+its rendering method
+
+.. code-block:: python
+    
+    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 cell_call(self, row, col):
+        self.row = row
+        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')
+
+    ...
+
+``cell_call`` is executed for each entity of a result set and apply ``render_entity``.
+
+The methods you want to modify while customizing a ``PrimaryView`` are:
+
+*render_entity_title(self, entity)* 
+    Renders the entity title based on the assumption that the method 
+    ``def content_title(self)`` is implemented for the given entity type.
+
+*render_entity_metadata(self, entity)*
+    Renders the entity metadata based on the assumption that the method
+    ``def summary(self)`` is implemented for the given entity type.
+
+*render_entity_attributes(self, entity, siderelations)*
+    Renders all the attribute of an entity with the exception of attribute
+    of type `Password` and `Bytes`.
+
+*content_navigation_components(self, context)*
+    This method is applicable only for entity type implementing the interface 
+    `IPrevNext`. This interface is for entities which can be linked to a previous
+    and/or next entity. This methods will render the navigation links between
+    entities of this type, either at the top or at the bottom of the page
+    given the context (navcontent{top|bottom}).
+
+*render_entity_relations(self, entity, siderelations)*
+    Renders all the relations of the entity in the main section of the page.
+        
+*render_side_related(self, entity, siderelations)*
+    Renders all the relations of the entity in a side box. This is equivalent
+    to *render_entity_relations* in addition to render the relations
+    in a box.
+
+Also, please note that by setting the following attributes in you class,
+you can already customize some of the rendering:
+
+*show_attr_label*
+    Renders the attribute label next to the attribute value if set to True.
+    Otherwise, does only display the attribute value.
+
+*show_rel_label* 
+    Renders the relation label next to the relation value if set to True.
+    Otherwise, does only display the relation value.
+
+*skip_none*
+    Does not render an attribute value that is None if set to True.
+
+*main_related_section*
+    Renders the relations of the entity if set to True.
+
+A good practice is for you to identify the content of your entity type for which
+the default rendering does not answer your need so that you can focus on the specific
+method (from the list above) that needs to be modified. We do not recommand you to
+overwrite ``render_entity`` as you might potentially loose the benefits of the side
+boxes handling.
+
+.. XXX talk about uicfg.rdisplay
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