Problem: customizing tabular view is hard

buildout.cfg

@@ -61,7 +61,7 @@ eggs =
 recipe = zc.recipe.egg
 eggs =
     ${test:eggs}
-    plone.app.robotframework[debug,ride,reload]
+    plone.app.robotframework[debug]
 
 
 [releaser]
@@ -85,10 +85,9 @@ plone.app.contenttypes =
 # Temporarily until next Plone version is out:
 plone.app.querystring = 1.3.4
 
-robotframework = 2.8.4
+robotframework = 2.9.2
 robotframework-ride = 1.3
 robotframework-selenium2library = 1.6.0
 robotsuite = 1.6.1
 selenium = 2.46.0
 coverage = 3.7.1
-pycodestyle = 2.3.1

news/customize-tabular.feature

@@ -0,0 +1 @@
+Enable customization of tabular_view via views for fields of contentlisting items.

plone/app/contenttypes/browser/collection.py

@@ -76,6 +76,7 @@ def album_folders(self):
         """
         return self._album_results['folders']
 
+    @property
     def tabular_fields(self):
         """Returns a list of all metadata fields from the catalog that were
            selected.

plone/app/contenttypes/browser/configure.zcml

@@ -258,4 +258,20 @@
     <browser:page name="thumbnail_view" template="templates/listing_album.pt"/>
   </browser:pages>
 
+  <browser:page
+    name="Title"
+    for="plone.app.contentlisting.interfaces.IContentListingObject"
+    class=".tabular.TitleCell"
+    layer="plone.app.contenttypes.interfaces.IPloneAppContenttypesLayer"
+    permission="zope2.View"
+    />
+
+  <browser:page
+    name="Creator"
+    for="plone.app.contentlisting.interfaces.IContentListingObject"
+    class=".tabular.CreatorCell"
+    layer="plone.app.contenttypes.interfaces.IPloneAppContenttypesLayer"
+    permission="zope2.View"
+    />
+
 </configure>

plone/app/contenttypes/browser/folder.py

@@ -15,6 +15,8 @@
 from zope.component import getMultiAdapter
 from zope.component import getUtility
 from zope.contentprovider.interfaces import IContentProvider
+from zope.component import queryMultiAdapter
+from zope.i18n import translate
 
 import random
 
@@ -31,6 +33,7 @@ class FolderView(BrowserView):
     _plone_view = None
     _portal_state = None
     _pas_member = None
+    _image_scale = None
 
     @property
     def plone_view(self):
@@ -50,6 +53,16 @@ def portal_state(self):
             )
         return self._portal_state
 
+    @property
+    def image_scale(self):
+        if not self._image_scale:
+            portal = self.portal_state.portal()
+            self._image_scale = getMultiAdapter(
+                (portal, self.request),
+                name=u'image_scale'
+            )
+        return self._image_scale
+
     @property
     def pas_member(self):
         if not self._pas_member:
@@ -189,6 +202,21 @@ def tabular_fielddata(self, item, fieldname):
             'value': value
         }
 
+    def render_cells(self, item):
+        result = []
+        for field in self.tabular_fields:
+            if field == 'getIcon':
+                continue
+            cell_view = queryMultiAdapter((item, self.request), name=field)
+            if cell_view is not None:
+                cell_view.table_view = self
+                result.append(cell_view())
+            else:
+                field_data = self.tabular_fielddata(item, field)
+                value = translate(field_data['value'], context=self.request)
+                result.append('<td>%s</td>' % value)
+        return ''.join(result)
+
     def is_event(self, obj):
         if getattr(obj, 'getObject', False):
             obj = obj.getObject()
@@ -265,6 +293,10 @@ def get_thumb_scale_table(self):
             return None
         return settings.thumb_scale_table
 
+    @property
+    def img_class(self):
+        return 'thumb-%s pull-right' % self.get_thumb_scale_table()
+
     @memoize
     def get_thumb_scale_list(self):
         if getattr(self.context, 'suppress_thumbs', False):

plone/app/contenttypes/browser/tabular.py

@@ -0,0 +1,55 @@
+from Products.Five import BrowserView
+
+# BEWARE: the cell views are registered for ContentListingObject
+# which are not acquisition aware.
+# That precludes using Products.Five.ViewPageTemplateFile
+# and imposes to use zope.browserpage.viewpagetemplatefile.
+from zope.browserpage.viewpagetemplatefile import ViewPageTemplateFile
+# BEWARE
+
+class TitleCell(BrowserView):
+    __call__ = ViewPageTemplateFile('templates/titlecell.pt')
+
+    @property
+    def title(self):
+        return self.context.Title() or self.context.getId()
+
+    @property
+    def link(self):
+        suffix = (
+            '/view'
+            if self.context.PortalType in self.table_view.use_view_action
+            else ''
+        )
+        return self.context.getURL() + suffix
+
+    @property
+    def type_class(self):
+        return ('contenttype-' +
+                self.table_view.normalizeString(self.context.PortalType())
+                if self.table_view.show_icons else '')
+
+    @property
+    def wf_state_class(self):
+        return ('state-' +
+                self.table_view.normalizeString(self.context.review_state()))
+
+    def render_image(self):
+        thumb_scale_table = self.table_view.get_thumb_scale_table()
+        img_class = self.table_view.img_class
+        return self.table_view.image_scale.tag(
+            self.context, 'image',
+            scale=thumb_scale_table, css_class=img_class
+        )
+
+
+class CreatorCell(BrowserView):
+    __call__ = ViewPageTemplateFile('templates/creatorcell.pt')
+
+    @property
+    def author(self):
+        return self.table_view.pas_member.info(self.context.Creator)
+
+    @property
+    def author_name(self):
+        return self.author['fullname'] or self.author['username']

plone/app/contenttypes/browser/templates/creatorcell.pt

@@ -0,0 +1,5 @@
+<td>
+  <a tal:condition="view/author"
+      tal:attributes="href string:${view/table_view/navigation_root_url}/author/${context/Creator}"
+      tal:content="view/author_name">Jos Henken</a>
+</td>

plone/app/contenttypes/browser/templates/listing_tabular.pt

@@ -43,57 +43,11 @@
           <tbody tal:define="portal context/@@plone_portal_state/portal;
                              image_scale portal/@@image_scale">
             <tal:entries tal:repeat="item batch">
-              <tal:block tal:define="item_url item/getURL;
-                                     item_id item/getId;
-                                     item_title item/Title;
-                                     item_title python:item_title or item_id;
-                                     item_description item/Description;
-                                     item_type item/PortalType;
-                                     item_type_class python:'contenttype-' + view.normalizeString(item_type) if showicons else '';
-                                     item_wf_state item/review_state;
-                                     item_wf_state_class python:'state-' + view.normalizeString(item_wf_state);
-                                     item_creator item/Creator;
-                                     item_has_image python:item.getIcon;
-                                     item_link python:item_type in view.use_view_action and item_url+'/view' or item_url;
-                                     ">
                 <tr metal:define-macro="listitem"
                     tal:define="oddrow repeat/item/odd;"
-                    tal:attributes="class python: oddrow and 'even' or 'odd'">
-
-                  <tal:block tal:repeat="field view/tabular_fields">
-                    <td tal:condition="python:field not in ['Title', 'Creator', 'getIcon']"
-                        tal:define="field_data python:view.tabular_fielddata(item, field)">
-                      <tal:block tal:replace="field_data/value" />
-                    </td>
-                    <td tal:condition="python:field == 'Title'">
-                      <a tal:condition="python:item_type == 'File' and showicons"
-                         tal:attributes="href item_link;
-                                         class string:$item_type_class $item_wf_state_class url;
-                                         title item_type">
-                         <img class="mime-icon"
-                                tal:attributes="src item/MimeTypeIcon">
-                      </a>
-                      <a tal:attributes="href item_link;
-                                         class string:$item_type_class $item_wf_state_class url;
-                                         title item_type"
-                         tal:content="item_title">Item Title
-                      </a>
-                      <a tal:condition="python:item_has_image and thumb_scale_table">
-                         <img tal:attributes="href item_link"
-                              tal:replace="structure python:image_scale.tag(item, 'image', scale=thumb_scale_table, css_class=img_class)" />
-                      </a>
-                    </td>
-                    <td tal:condition="python:field == 'Creator'"
-                        tal:define="author python:view.pas_member.info(item_creator);
-                                    name python:author['fullname'] or author['username']">
-                      <a tal:condition="author"
-                          tal:attributes="href string:${view/navigation_root_url}/author/${item_creator}"
-                          tal:content="name">Jos Henken</a>
-                    </td>
-                  </tal:block>
-
+                    tal:attributes="class python: oddrow and 'even' or 'odd'"
+                    tal:content="structure python:view.render_cells(item)">
                 </tr>
-              </tal:block>
             </tal:entries>
           </tbody>
         </table>

plone/app/contenttypes/browser/templates/titlecell.pt

@@ -0,0 +1,19 @@
+<td tal:define="table_view nocall:view/table_view;
+                thumb_scale_table view/table_view/get_thumb_scale_table;">
+  <a tal:condition="python:context.PortalType == 'File' and table_view.show_icons()"
+     tal:attributes="href view/link;
+                     class string:${view/type_class} ${view/wf_state_class} url;
+                     title context/PortalType">
+     <img class="mime-icon"
+          tal:attributes="src context/MimeTypeIcon">
+  </a>
+  <a tal:attributes="href view/link;
+                     class string:${view/type_class} ${view/wf_state_class} url;
+                     title context/PortalType"
+     tal:content="view/title">Item Title
+  </a>
+  <a tal:condition="python:context.getIcon and thumb_scale_table">
+    <img tal:attributes="href view/link"
+         tal:replace="structure view/render_image" />
+  </a>
+</td>